chemistry Crossword Puzzles
My Chemistry Puzzle 2022-05-16
Across
- a reaction in which two or more substances combine to form a new compound
- an element that conducts heat and electricity poorly and that does not form positive ions in an electrolytic solution
- the state of matter in which the volume and shape of a substance are fixed
- a structural formula in which electrons are represented by dots; dot pairs or dashes between two atomic symbols represent pairs in covalent bonds
- one of the elements of Group 18 of the periodic table (helium, neon, argon, krypton, xenon, and radon); unreactive
- a prescribed decimal place that determines the amount of rounding off to be done based on the precision of the measurement
- an arrangement of the elements in order of their atomic numbers such that elements with similar properties fall in the same column, or group
- a chemical formula that shows the composition of a compound in terms of the relative numbers and kinds of atoms in the simplest ratio
- The law that states the repeating chemical and physical properties of elements change periodically with the atomic numbers of the elements
- one of the elements of Group 17 of the periodic table (fluorine, chlorine, bromine, iodine, and astatine); it combines with most metals to form salts
- the substance that is not used up completely in a reaction
- the substance that controls the quantity of product that can form in a chemical reaction
- a measure of the ability of an atom in a chemical compound to attract electrons
- the number of electrons that must be added to or removed from an atom in a combined state to convert the atom into the elemental form
Down
- the mass in grams of 1 mol of a substance
- a reaction in which one element or radical takes the place of another element or radical in a compound
- an ion made of two or more atoms
- a chemical formula that shows the number and kinds of atoms in a molecule, but not the arrangement of the atoms
- the maximum amount of product that can be produced from a given amount of reactant
- the oxidation reaction of an organic compound, in which energy as heat is released
- a reaction in which a gas, a solid precipitate, or a molecular compound forms from the apparent exchange of atoms or ions between two compounds
- a conversion factor that relates the amounts in moles of any two substances involved in a chemical reaction
- the percentage by mass of each element in a compound
- an element that is shiny and that conducts heat and electricity well
- the attractive force that holds atoms or ions together
- the attractive force that holds atoms or ions together
- a reaction in which a single compound breaks down to form two or more simpler substances
- a representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products
- the condition of an atom expressed by the number of electrons that the atom needs to reach its elemental form
- a region in an atom where there is a high probability of finding electrons
30 Clues: an ion made of two or more atoms • the mass in grams of 1 mol of a substance • the percentage by mass of each element in a compound • the attractive force that holds atoms or ions together • the attractive force that holds atoms or ions together • the substance that is not used up completely in a reaction • ...
Chemistry Crossword Puzzle 2022-06-01
Across
- atom or molecule that has a charge becasue it has gained or lost electrons
- the smallest particle thats made up of matter
- Columns on the periodic table
- Rows on the periodic table
- allows us to change/convert between two units
- subatomic particles that have a negative charge
- used in a balanced chemical equation
- ion with a negative charge e- are gained
- Most reactive nonmetals
- another name for percent yield
Down
- Very reactive
- Conduct electricity and heat
- shows only the substances that undergo a change
- most comment element in the universe
- elements tend to be stable with eight valence electrons
- electrons are shared
- 1/12 the mass of a carbon-12 isotope
- an atom with the same number of protons but a different number of neutrons
- ion with a positive charge e- are lost
- synthesis always forms solids
20 Clues: Very reactive • electrons are shared • Most reactive nonmetals • Rows on the periodic table • Conduct electricity and heat • Columns on the periodic table • synthesis always forms solids • another name for percent yield • most comment element in the universe • 1/12 the mass of a carbon-12 isotope • used in a balanced chemical equation • ion with a positive charge e- are lost • ...
My Chemistry Puzzle 2022-05-17
Across
- polyatomic ions that contain oxygen.
- usually has an oxidation number of –2.
- are identified simply by the element’s name.
- Shows how the atoms in each ion are bonded together.
- is a certain type of molecular compound.
- is numerically equal to its formula mass.
- The mass of a water molecule.
- are acids that contain hydrogen, oxygen,and a third element (usually a nonmetal).
- consists of the symbols for the elements combined in a compound.
- is the actual formula of a molecular compound.
- total numbers of positive charges and negative charges must be equal.
- showing the smallest whole-number mole ratio of the different atoms in the compound.
- is the sum of the average atomic masses of all atoms represented in its formula.
Down
- To distinguish the ions formed by such elements.
- is often useful to know the percentage by mass of a particular element in a chemical compound.
- are acids that consist of two elements,usually hydrogen and a halogen.
- can be assigned to atoms in order to keep track of electron. distributions in molecular as well as ionic compounds.
- involves combining the names of the compound’s positive and negative ions.
- indicates the relative number of atoms of each kind in a chemical compound.
- are bound together in a group and carry a characteristic charge.
- is numerically equal to its molar mass, so a compound’s molecular formula can also be found given the compound’s empirical formula and its molar mass.
- has an oxidation number of +1 in all compounds containing elements that are more electronegative than it but has an oxidation number of –1 with metals.
- has an oxidation number of –1 in all its compounds because it is the most electronegative element.
- can be written given the identities of the compound’s ions.
- Ions formed from a single atom.
- An ionic compound composed of a cation and the anion from an acid.
- is usually the compound’s empirical formula for ionic compounds.
- compounds composed of two elements.
28 Clues: The mass of a water molecule. • Ions formed from a single atom. • compounds composed of two elements. • polyatomic ions that contain oxygen. • usually has an oxidation number of –2. • is a certain type of molecular compound. • is numerically equal to its formula mass. • are identified simply by the element’s name. • is the actual formula of a molecular compound. • ...
Chemistry final review 2022-05-23
Across
- three-dimensional arrangement of the atoms and chemical bonds in a molecule molecular shape
- Alkyne with 1 carbon
- Alkyne with 9 carbons
- Alkene with 3 carbons
- Alkene with 8 carbons
- Saturated hydrocarbon
- Alkane with 4 carbons
- Alkyne with 10 carbons
- An atom or group of atoms that replaces hydrogen in a hydrocarbon molecule
- the relationship between the relative quantities of substances taking part in a reaction or forming a compound
- Alkene with 7 carbons
- Alkyne with 5 carbons
- Alkene with 5 carbons
- Alkene with 6 carbons
- Alkene with 4 carbons
- Alkene with 10 carbons
- Alkyne with 3 carbons
- Alkane with 10 carbons
- Alkane with 3 carbons
- A compound of hydrogen and carbon
Down
- the physical laws that describe the properties of gases
- Unsaturated hydrocarbon with one or more triple bonds
- Alkane with 7 carbons
- Alkane with only 1 carbon
- Alkene with only 1 carbon
- Alkyne with 4 carbons
- Alkane with 9 carbons
- Alkane with 8 carbons
- the number of moles of a substance per litre of solution.
- Alkane with 6 carbons
- Alkane with 5 carbons
- Alkyne with 8 carbons
- Alkyne with 2 carbons
- Alkyne with 6 carbons
- Alkane with 2 carbons
- Alkene with 9 carbons
- Alkyne with 7 carbons
- Unsaturated hydrocarbon with one or more double bonds
- Alkene with 2 carbons
- defined as the mass in grams of one mole of a substance.
- Alkanes that are attached to a hydrocarbon chain
41 Clues: Alkyne with 1 carbon • Alkane with 7 carbons • Alkyne with 4 carbons • Alkyne with 9 carbons • Alkane with 9 carbons • Alkene with 3 carbons • Alkane with 8 carbons • Alkene with 8 carbons • Alkane with 6 carbons • Saturated hydrocarbon • Alkane with 5 carbons • Alkane with 4 carbons • Alkyne with 8 carbons • Alkyne with 2 carbons • Alkyne with 6 carbons • Alkane with 2 carbons • ...
Intro to Chemistry 2022-08-10
Across
- a statement and explanation of your results
- the opposite of clear and colorless
- lab term for a dropper
- the steps we take in an experiment
- data we collect using instruments (numbers)
- glassware used for holding or transporting liquids
- the way we organize human's natural process of experimenting, scientifically
- the property of liquids to stick to themselves (water has a particularly high one)
- the study of matter
- anything that mass and volume
- how much "stuff" there is (often confused with weight)
Down
- a scientific procedure used to test a hypothesis
- the variable we change or manipulate
- a prediction or best guess
- the study of how living and nonliving things affect one another
- the variable we observe or measure
- a run through the procedures (you should do at least three)
- how much space something takes up
- data we collect using our 5 senses
- when scientists check each other's work
- to pollute or make impure (mixing our soapy and tap water pipets)
21 Clues: the study of matter • lab term for a dropper • a prediction or best guess • anything that mass and volume • how much space something takes up • the variable we observe or measure • the steps we take in an experiment • data we collect using our 5 senses • the opposite of clear and colorless • the variable we change or manipulate • when scientists check each other's work • ...
Atomic Chemistry Crossword 2022-11-03
Across
- de Broglie proposed that electrons act as these
- Each element has a unique line spectrum because no two elements have the same arrangement of these
- His uncertainty principle states that it’s impossible to know both the momentum and position of an electron at the same time
- Bohr’s model is called the _____ model
- Atoms of different elements have different _____
- Of the three main subatomic particles, this one has the smallest mass
- He was the first to propose the idea of a smallest particle of matter, but his idea was rejected
- Experiments with these led to the discovery of the electron
- His was the first atomic model based on experimentation
- General region of space where the location of an electron is most probable
- This particle contributes to an atom’s mass but not its charge
Down
- He discovered the neutron
- This law refers to the set mass ratios between elements in a compound
- Bohr did this type of experimentation
- Means “indivisible”
- His model is called the “Plum Pudding” model
- His model included the discovery of the proton
- Bohr explained that line spectra suggested electrons orbited on different _____ levels
- The neutron was difficult to detect because it lacks this
- Rutherford’s model relied on experimentation with this
- This atomic part was discovered using the gold foil experiment
21 Clues: Means “indivisible” • He discovered the neutron • Bohr did this type of experimentation • Bohr’s model is called the _____ model • His model is called the “Plum Pudding” model • His model included the discovery of the proton • de Broglie proposed that electrons act as these • Atoms of different elements have different _____ • ...
Chemistry Vocabulary Review 2022-10-11
Across
- the mass of an element's atom
- anything that takes up space and has weight
- when atoms of two substances connect to each other to make a compound
- an element that is not magnetic, malleable, or ductile, and conducts electricity poorly or not at all
- the chart we use to display all 118 known elements in the universe
- a substance formed when the atoms of two or more elements bond
- a subatomic particle that has no charge and makes up a nucleus
- a property of metal; means that this substance can be flattened into sheets without breaking
- when two or more substances come together without any bonding or reaction (for example, air or sea water)
- the center of an atom
- a pure substance made of only one type of atom
- an element that is magnetic, malleable, ductile, and conducts electricity
Down
- a subatomic particle that has a positive charge and makes up a nucleus
- a mixture with different consistency (easier to tell the different components apart)
- a property of an element; how good it is at allowing electricity to pass through it
- happens when substances come together and create a brand new substance, changing at an atomic level (usually results in an explosion or a change in temperature or color)
- a subatomic particle that is negatively charged and revolves around the nucleus
- the number of protons and electrons in the atom of an element
- an element with properties of both a metal and a nonmetal
- a property of an element; does it attract or repel other materials?
- a property of metal; means that this substance can be stretched into wire without breaking
- particle that makes up matter and is made up of different atoms
- changes the way a substance looks but does not change the atoms (for example, breaking a pencil in half or melting an ice cube)
- a mixture with a similar consistency (hard to tell the different components apart)
- a particle that makes up all matter and is made up of protons, neutrons, and electrons
- a property of an element; the temperature at which it changes from solid to liquid
- any of the elements in the 18th group of the periodic table (such as helium or carbon), which rarely react but glow when exposed to energy
27 Clues: the center of an atom • the mass of an element's atom • anything that takes up space and has weight • a pure substance made of only one type of atom • an element with properties of both a metal and a nonmetal • the number of protons and electrons in the atom of an element • a substance formed when the atoms of two or more elements bond • ...
Chemistry Crossword Puzzle 2022-09-09
Across
- the length between 2 peaks in a wave
- they make up everything
- element you think of when you see a banana
- element with atomic number 106
- atoms with fewer electrons then protons
- what we breath
- noble gas before radon
- a electron is
- gem that rubidium is based off of
- the shape of an s orbital
- responsible for the gold foil experiment
- number of protons an element has is referred to as
- sub-atomic particles with a -1 charge
- it is inside of milk
- atoms with the same number of protons, but different number of electrons
- atom that has gained or lost one or more electrons
- used to protect your clothes during labs
- color of cesium when burned
- when atoms absorb energy they become
- element with the symbol "FE"
- tiny object made entirely of protons and neutrons
- element with atomic number 50
Down
- tool used to hold objects
- particle of light
- represents an element
- sub-atomic particles with a +1 charge
- first element in the periodic table
- number below the elements symbol
- element with the atomic number 79
- particles that are smaller than atoms
- atoms with a negative charge are called
- gave off green flame in the flame lab
- sum of protons and neutrons in an atom
- element with the symbol "Na"
- atoms with different numbers of protons
- determined the color of the flame in the salt
- class you are solving this crossword puzzle in
- tool we used to hold the fire during the flame lab
- a proton is
- used to protect your eyes during labs
- element with the symbol "Si"
- number of protons hydrogen has
- 2nd element found in the periodic table
- sub-atomic particles with a zero charge
- noble gas before argon
45 Clues: a proton is • a electron is • what we breath • particle of light • it is inside of milk • represents an element • noble gas before radon • noble gas before argon • they make up everything • tool used to hold objects • the shape of an s orbital • color of cesium when burned • element with the symbol "Na" • element with the symbol "Si" • element with the symbol "FE" • ...
Chemistry Crossword Puzzle 2022-09-09
Across
- determined the color of the flame in the salt
- represents an element
- a proton is
- when atoms absorb energy they become
- color of cesium when burned
- atom that has gained or lost one or more electrons
- atoms with the same number of protons, but different number of electrons
- element that is also a planet
- the shape of an s orbital
- particle of light
- atoms with fewer electrons then protons
- element with the symbol "Db"
- atoms with different numbers of protons
- gem that rubidium is based off of
- number below the elements symbol
- used to protect your clothes during labs
- element with the symbol "Si"
- tiny object made entirely of protons and neutrons
- number of protons hydrogen has
- responsible for the gold foil experiment
- tool used to hold objects
- tool we used to hold the fire during the flame lab
Down
- sub-atomic particles with a zero charge
- noble gas before argon
- sum of protons and neutrons in an atom
- the length between 2 peaks in a wave
- element with the atomic number 79
- a electron is
- noble gas before radon
- it is inside of milk
- element you think of when you see a banana
- first element in the periodic table
- class you are solving this crossword puzzle in
- 2nd element found in the periodic table
- used to protect your eyes during labs
- element with atomic number 50
- number of protons an element has is referred to as
- element with the symbol "FE"
- particles that are smaller than atoms
- element with the symbol "Na"
- element with atomic number 106
- sub-atomic particles with a +1 charge
- gave off green flame in the flame lab
- sub-atomic particles with a -1 charge
- atoms with a negative charge are called
- they make up everything
- what we breath
47 Clues: a proton is • a electron is • what we breath • particle of light • it is inside of milk • represents an element • noble gas before argon • noble gas before radon • they make up everything • the shape of an s orbital • tool used to hold objects • color of cesium when burned • element with the symbol "FE" • element with the symbol "Na" • element with the symbol "Db" • ...
Chemistry Unit One 2022-08-19
Across
- the SI unit of mass
- a measure of the amount of matter in an object.
- a common piece of laboratory glassware consisting of a finger-like length of glass or clear plastic tubing, open at the top and closed at the bottom.
- a room or building equipped for scientific experiments, research, or teaching, or for the manufacture of drugs or chemicals.
- the scientific study of the properties and behavior of matter
- a metal stand consisting of a long upright rod attached to a heavy rectangular base that is used with rings and clamps for supporting laboratory apparatus.
- when an object is largely immersed in a fluid, pushing it out of the way and taking its place
- roughly calculate or judge the value, number, quantity, or extent of.
- a scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact.
- the scale of temperature in which water freezes at 0° and boils at 100° under standard conditions.
- the force acting on the object due to gravity.
- a bottle, usually of glass, having a rounded body and a narrow neck, used especially in laboratory experimentation.
- the measure of how much “stuff” is in a given amount of space
- a thin glass vessel, with a lip for pouring, used as containers for liquids.
- the closeness of a result to the true value
- the process of changing or causing something to change from one form to another.
- base unit of thermodynamic temperature measurement in the International System of Units (SI)
Down
- a tall narrow container with a volume scale used especially for measuring liquids.
- a unit of measurement obtained by multiplication or division of the base units of a system
- a scale of temperature on which water freezes at 32° and boils at 212° under standard conditions.
- the intellectual and practical activity encompassing the systematic study of the structure and behaviour of the physical and natural world through observation and experiment.
- the SI unit of volume
- the amount of 3D space a substance or object occupies.
- large pincers for grasping and lifting vessels of heat-resistant material used in high temperature chemical reactions.
- SI unit for length
- a way of writing very large or very small numbers
- the number of digits in a value, often a measurement, that contribute to the degree of accuracy of the value
- a quantity chosen as a standard in terms of which other quantities may be expressed.
- refinement in a measurement, calculation, or specification, especially as represented by the number of digits given.
- king who tragically died by drinking chocolate milk
30 Clues: SI unit for length • the SI unit of mass • the SI unit of volume • the closeness of a result to the true value • the force acting on the object due to gravity. • a measure of the amount of matter in an object. • a way of writing very large or very small numbers • king who tragically died by drinking chocolate milk • the amount of 3D space a substance or object occupies. • ...
Chemistry Unit One 2022-08-19
Across
- the SI unit of mass
- a measure of the amount of matter in an object.
- a common piece of laboratory glassware consisting of a finger-like length of glass or clear plastic tubing, open at the top and closed at the bottom.
- a room or building equipped for scientific experiments, research, or teaching, or for the manufacture of drugs or chemicals.
- the scientific study of the properties and behavior of matter
- a metal stand consisting of a long upright rod attached to a heavy rectangular base that is used with rings and clamps for supporting laboratory apparatus.
- when an object is largely immersed in a fluid, pushing it out of the way and taking its place
- roughly calculate or judge the value, number, quantity, or extent of.
- a scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact.
- the scale of temperature in which water freezes at 0° and boils at 100° under standard conditions.
- the force acting on the object due to gravity.
- a bottle, usually of glass, having a rounded body and a narrow neck, used especially in laboratory experimentation.
- the measure of how much “stuff” is in a given amount of space
- a thin glass vessel, with a lip for pouring, used as containers for liquids.
- the closeness of a result to the true value
- the process of changing or causing something to change from one form to another.
- base unit of thermodynamic temperature measurement in the International System of Units (SI)
Down
- a tall narrow container with a volume scale used especially for measuring liquids.
- a unit of measurement obtained by multiplication or division of the base units of a system
- a scale of temperature on which water freezes at 32° and boils at 212° under standard conditions.
- the intellectual and practical activity encompassing the systematic study of the structure and behaviour of the physical and natural world through observation and experiment.
- the SI unit of volume
- the amount of 3D space a substance or object occupies.
- large pincers for grasping and lifting vessels of heat-resistant material used in high temperature chemical reactions.
- SI unit for length
- a way of writing very large or very small numbers
- the number of digits in a value, often a measurement, that contribute to the degree of accuracy of the value
- a quantity chosen as a standard in terms of which other quantities may be expressed.
- refinement in a measurement, calculation, or specification, especially as represented by the number of digits given.
- king who tragically died by drinking chocolate milk
30 Clues: SI unit for length • the SI unit of mass • the SI unit of volume • the closeness of a result to the true value • the force acting on the object due to gravity. • a measure of the amount of matter in an object. • a way of writing very large or very small numbers • king who tragically died by drinking chocolate milk • the amount of 3D space a substance or object occupies. • ...
Chemistry Matter Review 2022-09-01
Across
- 2+ substances that are physically mixed
- Charged particles of ions and electrons
- Separating cream from milk
- Smallest unit of element w/ same prop.
- Matter with definite shape and volume
- The amount of space an object takes up
- Separating oil and water
- Anything that has mass and take up space
- Separating two solids, one is magnetic
- What's being dissolved
- Coffee beans & water do this for coffee
- Matter with indefinite shape and volume
- Do this to get salt from salt water
- Substance with 2 or more types of atoms
- Mixture looks uniform (can't see parts)
- Homogeneous mixture with two main parts
Down
- The smallest unit of an element/compound
- What's dissolving the solute
- Used to separate beads from flour
- The ink in a marker does this to work
- Mixture doesn't look uniform (see parts)
- Sep. 2 liquids w/different boil points
- Measures the amount of matter of object
- Substance with 1 type of atom
- Has indefinite shape & definite volume
25 Clues: What's being dissolved • Separating oil and water • Separating cream from milk • What's dissolving the solute • Substance with 1 type of atom • Used to separate beads from flour • Do this to get salt from salt water • Matter with definite shape and volume • The ink in a marker does this to work • Smallest unit of element w/ same prop. • The amount of space an object takes up • ...
Chemistry Unit Review 2017-02-12
Across
- Chemical elements abbreviation
- A combination of two or more elements linked together
- mass Number of protons and neutrons in an atom
- A substance consisting of atoms which all have the same number of protons
- This carries a neutral charge
- The ingredients present before the reaction happens
- Heat is created
- Gas any of the elements that are considered gaseous
- Are called the building blocks of matter
- Are bad conductors of heat and electricity
- When atoms of different elements are combined they form this
- Mendeleev This man created the periodic table
Down
- Column of elements in the periodic table
- Regions of space outside the nucleus of an atom where an electron may exit
- electron These are electrons that are in the outermost shell of an atom
- This carries a negative charge
- Carries a positive charge
- Heat is taken away
- Located on the stair steps between metals and nonmetals
- Numbered 1-7, atomic numbers increase from left to right
- of Conservation of Mass The number of atoms before and after a reaction takes place is always the same
- This is called the center of an atom
- The ingredients produced after the reaction takes place
- Is a good conductor of heat and electricity
24 Clues: Heat is created • Heat is taken away • Carries a positive charge • This carries a neutral charge • Chemical elements abbreviation • This carries a negative charge • This is called the center of an atom • Column of elements in the periodic table • Are called the building blocks of matter • Are bad conductors of heat and electricity • Is a good conductor of heat and electricity • ...
chemistry unit crossword 2017-02-13
Across
- Atomic particles found in the nucleus of an atom and carry a positive charge
- a group of atoms bonded together
- properties characteristic of no more than two electrons
- Atomic particles that move around the nucleus of an atom and carry a negative charge
- of Conservation of Mass mass in an isolated system is neither created or destroyed by chemical reaction or physical transformation.
- the number of protons in the nucleus of an atom
- He formulated the Periodic Law
- brittle,not malleable or ductile,poor conductors of heat and electricity
- (on the P.T.) the horizontal lines on the periodic table
- Gas any of the most gaseous elements like helium,neon,krypton
- the central and most important part of an object
Down
- are the ingredients produced AFTER the reaction takes place
- is a substance formed when two or more chemical elements are chemically bonded together.
- (on the P.T.) columns on the periodic table
- that is associated with an atom
- Atomic particles found in the nucleus of atoms and carry NO electrical charge
- an extremely small amount of a thing or quality
- the mass of an atom of a chemical element expressed in atomic mass units
- Shares characteristics of both nonmetals and metals
- atoms having the same number of protons
- solid,shiny, good conductors of heat and electricity, ductile, and malleable
- abbreviation or the element
22 Clues: abbreviation or the element • He formulated the Periodic Law • that is associated with an atom • a group of atoms bonded together • atoms having the same number of protons • (on the P.T.) columns on the periodic table • an extremely small amount of a thing or quality • the number of protons in the nucleus of an atom • the central and most important part of an object • ...
Chemistry: The puzzler 2016-10-13
Across
- something happens a lot of times
- neutral particle
- circles around
- protons and neutrons added
- emission spectra
- same number of protons, different number of neutrons
- modern depiction of the atom
- amount of energy that a proton/electron can have
- length of sound waves
- what an atom weighs
- an object was split using ________
- another word for orbit
Down
- positive particle
- electrons zoom around this
- where electrons are
- a particle with quantum light
- makes up elements
- zooms really fast in fun shapes around something
- electromagnetic radiation
- nuclear decay
- used to do things
- formed when electrons lose electrons
- how electrons go around atoms
- pattern of negative particles
- radioactivity decay at a certain rate
- radioactive decay
- how many electrons surround the atom
- another word for Quantum
- an object was put back together by using ________
29 Clues: nuclear decay • circles around • neutral particle • emission spectra • positive particle • makes up elements • used to do things • radioactive decay • where electrons are • what an atom weighs • length of sound waves • another word for orbit • another word for Quantum • electromagnetic radiation • electrons zoom around this • protons and neutrons added • modern depiction of the atom • ...
Chemistry Vocabulary Crossword 2016-10-13
Across
- Hertz(hZ)
- Candium's *blank* is 1.81g
- (2 words) Time it takes to divide in half
- "what goes aroung comes around"
- Has a positive charge
- Negative orbital
- (2 words) Nuclear Decay
- Makes up everything
- (2 words)Nobel Prize 1922 for this model
- does not have an equal number of positive and negative charges
- The center
- Has no charge
- (2 words)X-rays
- A certain amount
- Dividing
- Example-light particle
Down
- (2 words) Radioactive Decay
- (2 words)Number that organizes the periodic table
- (2 words)Electron distribution
- (2 words)Cloud of negative energy in Bohr model
- (2 words)Atomic Rainbow
- Combining
- (2 words)Total Number of protons and neutrons
- (3 words)Helium's *blank* is 4.003
- (2 words)Fixed amount of energy
- Example-soundwaves
- Example lightning
- Has a negative charge
28 Clues: Dividing • Hertz(hZ) • Combining • The center • Has no charge • (2 words)X-rays • Negative orbital • A certain amount • Example lightning • Example-soundwaves • Makes up everything • Has a positive charge • Has a negative charge • Example-light particle • (2 words) Nuclear Decay • (2 words)Atomic Rainbow • Candium's *blank* is 1.81g • (2 words) Radioactive Decay • (2 words)Electron distribution • ...
General Chemistry 2 2017-01-10
Across
- Study of atomic,subatomic and particle phenomena in chemical systems.
- Water-loving.
- Have a definite shape and a definite volume.
- The hand-on application of many chemical principles and procedures.
- Substance DOES NOT dissolve in the solvent.
- Study of chemical phenomena in nature.
- Are substances that decrease the surface tension of water.
- Water-hating.
- Study of properties and behavior of inorganic compounds.
- Two pair of liquids can not mix.
- Study and research of the properties,composition,structure and transformation of wheat and grains.
- The solute crystallizes when the solution is heated.
- Between non-polar molecules.
- Study of the structure,properties,composition,preparation and reactions of carbon-based compounds.
- Between polar molecules.
- Study of chemical compounds to identify them and determine their property.
- This type of solids are made up of atoms and are joined by covalent bonds.
- Study of chemical synthesis and the properties of polymers and macromolecules.
- ________ is desired for the dishwasher.
- Homogenous mixture made up of atoms,ions or molecules.
- Molecules with polar bonds of ten behave in an electric field as if they had acenter of positive charge and negative charge and a center of negative charge.
- When solute is added,the solute dissolves.
- ________ is desired for cars.
Down
- When solute is added,the solute no longer dissolves.
- Study of chemical processes and reactions in living things.
- Refers to the amount of solute that can dissolve in a given amount of solvent at room temperature under given conditions.
- The dissolving medium.
- ________ is the resistance to flow.
- Interaction of an ion with the charge end of another molecule.
- Force which keeps molecule together in hands.
- Measure of the tendency for liquid pqrticles to enter gas phase at a given temperature.
- The branch of science that deals with the identification of the substances.
- Have an indefinite shape and a definite volume.
- Have particles that are arranged in a definite geometric pattern.
- Attractive force between molecules.
- Typically found in aqueous solutions of ionic compounds,such as salt water.
- Study of the interchange between chemical and electrical energy.
- Strong dipole-dipole forces.
- Two substances mix completely in all proportions.
- In the __________ the particles are randomly arranged(like in a gas).
- The particles of _______ are positive and negative ions.
- It is the inward pull which tends to minimize the surface area of a liquid.
- Have particles that are not located in any particular position.
- Made up of particles which are in continual random motion.
- The dissolved medium.
- Substance is dissolved in the solvent.
46 Clues: Water-loving. • Water-hating. • The dissolved medium. • The dissolving medium. • Between polar molecules. • Strong dipole-dipole forces. • Between non-polar molecules. • ________ is desired for cars. • Two pair of liquids can not mix. • ________ is the resistance to flow. • Attractive force between molecules. • Study of chemical phenomena in nature. • ...
Organic Chemistry Crossword 2016-11-29
Across
- A molecule or functional group derived by condensation of an alcohol and an acid with simultaneous loss of water
- A molecule or portion of a molecule whose atoms form a ring
- The major product of a dehydrohalogenation elimination reaction is the more highly substituted alkene
- A chemical that can donate a proton or accept an electron pair in reactions
- An atom or group other than hydrogen on a molecule
- A device used to measure the amount and direction that a substance rotates plane polarized light
- An atom which has lost or gained electrons and become charged
- A substance that can make a chemical reaction faster but which is not actually needed to produce the reaction nor is used in the reaction
- A functional group characterized by a carbon-carbon double bond
- A functional group characterized by the N-C=O moiety
Down
- A chemical that can accept a proton or donate an electron pair in reactions
- When substances cannot dissolve into one another
- A substance (usually a liquid) added to dissolve other substance
- The smallest piece of an atom that can exist in a free state
- Describes when a molecule consists of two or more smaller ones
- A functional group characterized by the C-O-H moiety
- The simplest secondary alcohol, (CH3)2CHOH
- Asymmetric in such a way that the structure and its mirror image are not superimposable
- A functional group characterized by an oxygen atom single-bonded to two carbon atoms
- A functional group characterized by a carbonyl group flanked by a hydrogen atom on one side and a carbon on the other
20 Clues: The simplest secondary alcohol, (CH3)2CHOH • When substances cannot dissolve into one another • An atom or group other than hydrogen on a molecule • A functional group characterized by the C-O-H moiety • A functional group characterized by the N-C=O moiety • A molecule or portion of a molecule whose atoms form a ring • ...
Science vocabulary Chemistry 2017-11-14
Across
- pure substance formed when at least one metal and one non-metal combine.
- new substance produced in a chemical reaction.
- amount of mass in a given volume of a substance.
- Mass of one atom of an element calculated from the total number of protons,neutrons, and electrons of that atom
- a chemical reaction that absorbs energy.
- homogeneous mixture; mixture of two or more pure substances that look like one substance.
- Invisible negatively charged particle that orbits the nucleus of an atom.
- table in which the elements are organized by their physical and chemical properties.
- cloudy mixture in which tiny particles of one substance are held within another, and the particles can be separated out.
- pure substance that cannot be broken down into other substances; substance made up of only one type of atom
- an experiment in which one or more products of a chemical reaction can escape.
Down
- chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy.
- how easily a substance can be stretched into wire.
- element that has both metallic and nonmetallic properties.
- neutral particle in the nucleus of an atom.
- principle that matter is not created or destroyed in a chemical reaction; the mass of the products always equals the mass of the reactants
- chemical combination of two or more elements in a specific ratio
- Measure of atomic mass.
- description of how a substance interacts with other substances, such as acids;chemical properties are observable only when achemical change occurs
- change that results when two or more substances react to create a different substance.
- change of state from solid to liquid.
- Group 1 elements in the periodic table, not including hydrogen.
- brittle element that does not conduct electricity.
- substance that helps a chemical reaction to proceed more quickly.
- group 18 elements in the periodic table; the most stable and unreactive elements.
- atom that has become electrically charged because it has lost or gained electrons; a positive ion is an atom that has lost one or more electrons;a negative ion is an atom that has gained one or more electrons
26 Clues: Measure of atomic mass. • change of state from solid to liquid. • a chemical reaction that absorbs energy. • neutral particle in the nucleus of an atom. • new substance produced in a chemical reaction. • amount of mass in a given volume of a substance. • how easily a substance can be stretched into wire. • brittle element that does not conduct electricity. • ...
Motion and Chemistry 2017-10-31
Across
- a force that stops or slows down an object (f________)
- acid + metal --> salt + h____________
- name of compound CuO
- Newton's law number which describes inertia (f_______)
- substance made of one type of atom only (e____________)
- element with formula Cl
- substance made of 2 or more different atoms (c____________)
- the tendency of an object to keep its motion (i___________)
- measured in m/s2 or ms-2 (a______________)
- scientist with 3 laws of motion (N______)
- speed is measured in __________ per second
- forces are measured in N_________
Down
- the one thing that you change in an experiment (i________ variable)
- acid + carbonate --> salt + water + c_______________
- the things that need to be the same in experiments (c_______ variables)
- Newton's Law that says force depends on acceleration and mass (s_______)
- force is calculated by m______ x acceleration
- what you measure in the results for an experiment(d_________ variable)
- speed is calculated by the formula distance divided by __________
- Newtons law number that says 'Forces have an equal and opposite force'(t____)
- element with formula Fe
- another name for a chemical change (r__________)
- acid + base --> salt + w_____________
23 Clues: name of compound CuO • element with formula Cl • element with formula Fe • forces are measured in N_________ • acid + base --> salt + w_____________ • acid + metal --> salt + h____________ • scientist with 3 laws of motion (N______) • measured in m/s2 or ms-2 (a______________) • speed is measured in __________ per second • force is calculated by m______ x acceleration • ...
Chemistry Unit 1 2019-04-06
Across
- Orbitals of similar energy are grouped in subshells that are labelled _ _ _ _ _(5)
- Atomic ______ is a measurement used for the size of atoms. It can be regarded as the distance from the nucleus to the outermost electrons (6)
- When considering the formula of an ionic compound, the total number of ___________ charges on the metal ions must equal the total number of negative charges on the non-metal ions. (8)
- The lattice of cations is surrounded by a sea of ____________ electrons. (11)
- The _____ mass of an element or compound is the mass, in grams, of one mole of that element or compound. Molar mass is given the symbol M and the unit g mol–1. (5)
- Have the same chemical properties but different physical properties such as mass, density and radioactivity (8)
- When an electron falls from a higher energy shell to a lower energy shell, it emits energy in the form of ________ (5)
- _______ compounds do not conduct electricity in the solid state. (6)
- _________________ is the ability of an element to attract electrons towards itself (17)
- _______ in the outer shell are called valence electrons (9)
- The __________ formula of a compound gives the simplest whole number ratio of atoms or ions in the compound. (9)
- From left to right across a period, the core charge of atoms _________, so the attractive force felt between the valence electrons and the nucleus increases. (9)
- _________ bonding is the electrostatic force of attraction between a lattice of positive ions and delocalised valence electrons.(8)
- An ______ is a mixture of a metallic element with other elements. (5)
- Columns in the periodic table are known as ______ and are numbered 1–18. (6)
- Molecular compounds have a molecular formula that gives the actual number of atoms of each element in the ___________. (9)
Down
- The number of occupied electron shells of an atom of an element is equal to the number of the element’s ______ on the periodic table(6)
- The particles that make up the crystal lattice are ______ and anions. (7)
- Elements are organised into the______ _____(6,5)
- When an ionic compound is formed from positively charged metal ions and negatively charged non-metal ions, the ions combine in proportions that produce an ionic compound with an overall _____ charge. (4)
- The ________ model proposed that electrons behave as waves and occupy a three-dimensional space around the nucleus (11)
- In water, ionic compounds vary from very soluble to insoluble. The ____________ depends on whether the forces between the water molecules and the ions in the lattice are strong enough to pull the ions out of the lattice. (10)
- Transition metal compounds tend to be brightly __________. (8)
- Ions that contain two or more atoms of different elements are called __________ ions. (10)
- The experimental results of metals reacting with acids are used to place metals in an order of reactivity called the ___________ series. (11)
- The relative molecular mass of molecules, or formula mass of ionic compounds, is calculated from the sum of the ________ atomic masses of its constituent elements. (8)
- Down a group, the number of shells in an atom increases so that the valence electrons are further from the nucleus and are held less ________. (8)
- A mole is a convenient quantity for counting particles. The mole is given the symbol n and the unit ___. (3)
28 Clues: Elements are organised into the______ _____(6,5) • _______ in the outer shell are called valence electrons (9) • Transition metal compounds tend to be brightly __________. (8) • _______ compounds do not conduct electricity in the solid state. (6) • An ______ is a mixture of a metallic element with other elements. (5) • ...
Chemistry Crossword Puzzels 2018-11-06
Across
- describing without numbers
- ______have the same number of electrons and protons
- a region in space in which there is high probability of finding an e-
- ____are atoms that have an unequal number of electrons and protons
- Plum pudding model
- they are the most reactive metals, always bonded with another elements
- he was known as the father of modern chemistry
- they are horizontal; rows of elements is called______
- table that organizes the elements is particular way
- have properties of both metal and nonmetal
- making orange juice is ______ change
- the energy level are like the ____ of a ladder but not equally spaced
- shape of dumbbell, holds 2 electrons in each orbital
Down
- a part or aspect of something abstract, especially one that is essential or characteristic
- refers to how many protons an atoms of that elements has
- Longest wavelength, 700nm
- average mass of all the atomic masses of the isotopes of that atom
- columns of elements is called______
- using numbers to describe
- poor conductors of heat and electricity
- elements in this family are fluorine, chlorine, bromine, iodine and astatine
- they are colorless gases that are extremely un-reactive
- levels S,P,D,F are the ______
- he discover neturons in 1932
- Baking a cake is _____ change
- shortest wavelength 400nm
- e- in the outer energy level of an atom
- good conductors of head and electricity
- are bundles of light energy that emitted by e- as they go from higher energy level to lower levels
- the amount of energy required to move an e- from one energy level to another
30 Clues: Plum pudding model • Longest wavelength, 700nm • using numbers to describe • shortest wavelength 400nm • describing without numbers • he discover neturons in 1932 • levels S,P,D,F are the ______ • Baking a cake is _____ change • columns of elements is called______ • making orange juice is ______ change • poor conductors of heat and electricity • ...
A Chemistry Crossword 2018-11-13
Across
- neutrons, protons, electrons
- element that is non-metal and non-reactive
- a group of elements in between metals and non-metals
- a group of elements that are metals and very reative
- number of __________, are achieved by subtracting the atomic mass by the atomic number
- irreversible change
- reversible change
- the elements metal + non-metal combined
- theories/predictions made about the atom
- a physical characteristic that a substance can have which means to conduct an electric current
- periodic table of _________, substance that cannot be broken down any further
- mass of one atom in a given element
Down
- shininess of a substance
- a homogeneous mixture
- process of solid turning into gas
- used at the ending when naming a molecular compound
- the elements non-metal + non-metal combined
- time period where controlling fire was learned
- system designed to help people against harmful substances
- meaning 5 in terms of naming molecular compounds
- created by an alchemist to create casts
- a positively charged ion
- heat exiting- fire
- heat entering- cool pack
- a column in the periodic table with elements with similar traits
25 Clues: reversible change • heat exiting- fire • irreversible change • a homogeneous mixture • shininess of a substance • a positively charged ion • heat entering- cool pack • neutrons, protons, electrons • process of solid turning into gas • mass of one atom in a given element • the elements metal + non-metal combined • created by an alchemist to create casts • ...
Chemistry Crossword Puzzle 2019-09-17
Across
- a vertical column in the Periodic Table
- the five non-metallic elements found in group 17 of the periodic table
- a substance made up of atoms of two or more different elements joined by chemical bonds
- any of the elements found in Group IA of the periodic table (the first column)
- composed of dissimilar components
- a single electron or one of two or more electrons in the outer shell of an atom that is responsible for the chemical properties of the atom
- describes something that has a uniform structure or composition throughout
- an element that has properties of both metals and nonmetals, sometimes referred to as a semiconductor
- the total number of protons and neutrons in an atom
- the positively charged center of the atom consisting of protons and neutrons
Down
- particle found in a nucleus with a positive charge
- any of the seven chemical elements that make up Group 18
- equal to the number of protons in an atom's nucleus
- the six chemical elements in group 2 of the periodic table
- a stable negatively charged component of an atom
- a substance that cannot be broken down into simpler components by any non-nuclear chemical reaction
- the smallest component of an element
- the name given to a horizontal row of the periodic table
- an element that is shiny and that conducts heat and electricity well
- an element that conducts heat and electricity poorly and that does not form positive ions in an electrolytic solution
20 Clues: composed of dissimilar components • the smallest component of an element • a vertical column in the Periodic Table • a stable negatively charged component of an atom • particle found in a nucleus with a positive charge • equal to the number of protons in an atom's nucleus • the total number of protons and neutrons in an atom • ...
Javier - Chemistry A 2019-10-17
Across
- A small part of a element
- What comes out at the end
- mass of one atom
- Deadly chemicals that can dissolved
- substances from the periodic table
- mixture is the same
- Material does change
- Where elements are found.
- Where 2 electron combine
- Electric force brings together atoms
- reaction where clouds or jelly or solids form
Down
- The number of a element
- A negatively charged ion
- A combination in atoms
- material does not change
- a lipped cylindrical glass container for laboratory use
- Materials we start with
- A mixture of metal materials
- mathematical relationship or rule expressed in symbols.
- material mixed together
20 Clues: mass of one atom • mixture is the same • Material does change • A combination in atoms • The number of a element • Materials we start with • A negatively charged ion • material does not change • Where 2 electron combine • material mixed together • A small part of a element • What comes out at the end • Where elements are found. • A mixture of metal materials • ...
VOCABULARY IN CHEMISTRY 2023-05-15
Across
- Unit for the amount of substance
- Energy that needs to have a molecule to react
- Type of element in the last group of the periodic table
- Chemical property that describes the tendency of an atom or a functional group to attract electrons toward itself.
- Ion with positive charge
- Fist part of the chemical reaction
- Is the mass that appears in the periodic table.
- Negative particle of the atom
- Is the number of protons of an atom.
- Neutral particle of the atom
Down
- Last part of the chemical reaction
- The conditions in which a gas occupies 22.7L at 25C and 1 atm.
- An atom with charge is called...
- Ion with negative charge
- Part of chemistry that studies changes in a chemical reaction
- Type of elements in the right side of the periodic table
- Process that involves rearrangement of atoms
- Type of elements in the left side of the periodic table
- Positive particle of the atom
- Unit to measure mass
- Element with symbol Cd
21 Clues: Unit to measure mass • Element with symbol Cd • Ion with negative charge • Ion with positive charge • Neutral particle of the atom • Positive particle of the atom • Negative particle of the atom • Unit for the amount of substance • An atom with charge is called... • Last part of the chemical reaction • Fist part of the chemical reaction • Is the number of protons of an atom. • ...
Paper 1 Chemistry 2023-05-10
Across
- metals below hydrogen in the reactivity series are found in their ____ state
- two or more different elements chemically bonded together
- this is how you extract metals in the reactivity series below carbon but above hydrogen
- the name of a system that nothing can get in or out of
- the centre of an atom
- two or more different elements or compounds not chemically bonded
- the process of removing insoluble substances from soluble ones
- the halogens get ___ reactive as you go down the group
- the bonding when the electrons are donated or received
- sub-atomic particle with a neutral charge
- electrolysis of aluminium oxide is ____ as the anodes need replacing regularly
- this is how you extract metals above carbon in the reactivity series
- Mr X Mass = ??
- a mixture of gases found in our atmosphere
- the type of reaction when a more reactive element takes the place of a less reactive one
- this is the physical process of a salt forming after evaporation
- acids all have this ion
- one type of atom only
- a property of the Nobel gasses
- is you neutralise a base with sulfuric acid your salt will be a metal...
- a type of fullerene made of a rolled layer of graphene
- sub-atomic particle with a negative charge
- Mendeleev left gaps for ____ elements
- this series tells you how reactive a metal is
- acid + base --> ___ + water
- the name of the group 7 elements
Down
- for electrolysis to work it must be aqueous or...
- this type of reaction occurs when you react an acid & base together
- negative electrode
- today's periodic table is arranged by atomic ...
- this is the material the cup is made from in the energy changes required practical
- the full name for a bucky ball
- the variable you keep the same
- the type of bonding in metals
- splitting an ionic substance using electricity
- This man discover the neutron
- the alkali metals get ... reactive as you go down the group
- the name of the apparatus used to measure energy change
- a salt made with hydrochloric acid will be a metal ___
- postive electrode
- a measure of how acidic something is
- the bonding when electrons are shared
- A reaction that releases enery to its surroundings
- alkalis all have this ion
- the variable you measure
- sub-atomic particle with a positive charge
- a mixture including metals that are harder than pure metals
- a giant covalent molecule that can conduct electricity
- an abbreviation for relative atomic mass
- a reaction that absorbed energy from its surroundings
- this gas is made when a metal and acid react
- in electrolysis of molten or aqueous ionic substances, the ions can move and carry
- the variable you change
- Hydrogen ions + hydroxide ions --> ??
- This Niels discovered electrons were in shells
- the giant covalent structure with a tetrahedral structure
- the name of the metals of group 1
57 Clues: Mr X Mass = ?? • postive electrode • negative electrode • the centre of an atom • one type of atom only • acids all have this ion • the variable you change • the variable you measure • alkalis all have this ion • acid + base --> ___ + water • the type of bonding in metals • This man discover the neutron • the full name for a bucky ball • the variable you keep the same • ...
Chemistry Crossword Puzzle 2023-05-17
Across
- a substance that has properties of both a metal and a nonmetal
- the processes by which chemicals interact to form new chemicals with different compositions
- the measurement between the nuclei of two identical atoms bonded together
- a combination of symbols that represent a compound
- bonding electrons are shared equally
- the amount of energy required to remove an electron from an isolated atom or molecule
- an electrically charged gas
- negative ion
Down
- the tendency of an atom to attract electrons in a molecule
- a system for arranging the chemical elements
- any of a large group of chemical compounds consisting of oppositely charged ions holds the atoms together
- elements on the right of the periodic table
- the atoms help together by sharing electrons
- the process of the transfer of electrons from a metal to a nonmetal atom
- a substance that has no fixed size or shape
- a simple substance that cannot be broken down into smaller parts or changed into another substance
- a state of matter that retains its shape and density when not confined
- a type of matter with specific properties that make it less rigid than a solid but more rigid than a gas
- positive ion
- A substance with high electrical conductivity, luster, and malleability
20 Clues: positive ion • negative ion • an electrically charged gas • bonding electrons are shared equally • elements on the right of the periodic table • a substance that has no fixed size or shape • a system for arranging the chemical elements • the atoms help together by sharing electrons • a combination of symbols that represent a compound • ...
Chemistry Vocab Review 2023-05-18
Across
- the radius of an atom
- how well outer electrons protect inner electrons
- subatomic particle with a neutral charge
- when a neutron slams into a larger atom forcing it to combine
- when a neutron slams into a larger atom forcing it to split
- distance between any given point and the same point in the next wave cycle
- substance made from 2 or more different elements
- a change in size shape or change that can be reversed
- a test performed to observe something carefully to gain new info
- how much energy is needed to take an electron
- way to write very small or large numbers in a conveniant decimal form
- conversion of liquid to gas
- energy released as high speed charged particles
- Mass divided by volume
Down
- anything that takes up space and can be weighed
- a statement about the relationship of 2 or more variables
- substance combines with another to make a new substance;non-reversable
- point at which liquids bubble
- the rate at which something occurs in a certain period of time
- point at which solids start to melt
- subatomic particle with a negative charge
- small particles that are made up of electromagnetic waves
- digits used to express a calculated quantity
- subatomic particle with a positive charge
24 Clues: the radius of an atom • Mass divided by volume • conversion of liquid to gas • point at which liquids bubble • point at which solids start to melt • subatomic particle with a neutral charge • subatomic particle with a negative charge • subatomic particle with a positive charge • digits used to express a calculated quantity • how much energy is needed to take an electron • ...
Chemistry Gonzalo B 2023-05-26
Across
- What type of bonds form between oppositely charged ions?
- The __________ model describes electrons in specific energy levels around the nucleus.
- elements Elements that are required in smaller quantities compared to bulk elements are known as __________.
- The sharing of electrons between atoms forms __________ bonds.
- What term describes the attraction an atom has for electrons in a chemical bond?
- What are the outermost electrons of an atom called?
- Lack of __________ can lead to anemia and reduced oxygen transport.
- __________ are a unit of energy used to quantify the energy content of food.
- The variable that is measured or observed in an experiment is called the __________.
- What is the group in an experiment that is not exposed to the independent variable?
- Metallic elements form __________ bonds.
Down
- What is the term for the natural 24-hour internal clock that regulates biological processes?
- The arrangement of atoms and their valence electrons in a molecule is shown by a __________.
- What are the factors in an experiment that are kept constant?
- The variable manipulated or changed by the researcher is known as the __________.
- The lowest energy state of an atom is called the __________ state.
- Problems associated with toxic metals are referred to as __________.
- When an atom absorbs energy, it moves to an __________ state.
- __________ electrons are involved in the formation of chemical bonds.
- Foods that provide calories but offer little nutritional value are called __________.
- Which group in an experiment is exposed to the independent variable?
- Excess __________ can cause copper toxicity and organ damage.
- What are the major elements required in large quantities by living organisms?
- What are the minimum nutrient intake levels necessary to maintain health?
24 Clues: Metallic elements form __________ bonds. • What are the outermost electrons of an atom called? • What type of bonds form between oppositely charged ions? • What are the factors in an experiment that are kept constant? • When an atom absorbs energy, it moves to an __________ state. • Excess __________ can cause copper toxicity and organ damage. • ...
Chemistry Final Review 2023-06-12
Across
- In a binary ionic compound, this comes first when naming.
- In this type of bond, electrons are free-flowing between nuclei.
- In this type of mixture, the appearance and properties are the same throughout.
- A name for an atom of the same element but with a different mass.
- Device to measure the pressure of enclosed gas.
- In this person’s principle, electrons fill up the lowest energy orbital first.
- A type of reaction with multiple reactants combining to form one product.
- A formula with the subscripts being relatively prime.
- The atomic model by this scientist was also known as the "plum pudding" model.
- Metals of this type are often colorful in solution.
- Noncompressible and has a fixed mass and volume, although the shape can change.
- Particles with the same amount of mass as an electron, but opposite charge.
- A substance that can act as an acid or a base is this type.
- The 3-D geometries of molecules.
- _____ plot: a way to correlate two or more quantities.
- Hydrocarbons wherein one of the hydrogens has been replaced by a halogen.
- Degree of disorder in a system.
- Unit of measurement for n in PV = nRT.
- Gases that closely obey Kinetic Molecular Theory.
- ______ mass allows a chain reaction to be self-sustaining.
- A way of telling if a substance is an acid or base based on a color change.
Down
- A liquid boils when the _____ pressure = the atmospheric pressure.
- A way of separating parts of a mixture with different densities.
- As one moves right on the periodic table, this increases.
- Reversible reactions in a state of balance.
- The initial prediction of the results of an experiment.
- Fluids called these cannot be liquified regardless of pressure.
- Cells wherein the cathode has a positive charge.
- Soluble ionic compounds and acidic molecular compounds are examples of these.
- Moles of solute per liter of solvent.
- _______ analysis: a quick and easy way to convert units in chemistry problems.
- Heat of ______ refers to the energy needed to melt a substance.
- A different orientation of an electron within a given sublevel.
- What comes first when you make an acidic aqueous solution?
- Compounds associated with pleasant, flowery scents.
- Dalton's law of _____ pressures (P total = P x + P H2O)
- This solid might form as a result of a chemical reaction.
- Change of heat of reaction.
- _____ bonds exhibit the strongest IMFs.
- ________ properties depend only on the number of particles in a solute and not their identity.
40 Clues: Change of heat of reaction. • Degree of disorder in a system. • The 3-D geometries of molecules. • Moles of solute per liter of solvent. • Unit of measurement for n in PV = nRT. • _____ bonds exhibit the strongest IMFs. • Reversible reactions in a state of balance. • Device to measure the pressure of enclosed gas. • Cells wherein the cathode has a positive charge. • ...
Chemistry Crossword Puzzle 2023-06-09
Across
- Bond where two nonmetals share electrons
- Energy required to remove the most loosely bound electron in the valence shell
- The study of the properties and behavior of matter
- Color changing compounds that are added in small amounts of a solution
- Two reactants forming a product
- something that cannot be broken down and is made up of all the same atoms
- Smallest whole number ratio of atoms in a compound
- A compound that contains carbon atoms
- Person who discovered the nucleus of the atom
- To separate particles based on size and polarity
- The measure of the average kinetic energy of particles in matter
- Negative ion
- Single atoms that are not bonded to each other
- Person who originally organized the periodic table
- The measure of the different possible arrangements of atoms
- Person who discovered that all elements are composed of atoms
- The ability to dissolve
- The number of protons in an element
- To separate a mixture of liquids based on boiling point
- Positive ion
- Can act as both an acid and a base
- Bond where electrons are shared between a metal and a nonmetal
- When both the forward and reverse reactions are taking place in a system
- Something that cannot physically be separated
- Loss of electrons by an atom or ion
- Phase change of a gas to a solid
- Phase change of a solid to a gas
- A homogeneous mixture
Down
- The study of the rate or speed at which reactions occur
- All chemical reactions have balance in mass, energy, and change
- Person who discovered that an atom is the smallest piece of a substance
- To separate a solid from a liquid
- Law that states equal volumes of different gases at the same temperature and pressure contain equal numbers of particles
- Size of an atom
- The theory that states that in order for a reaction to occur, reactant particles must collide with the proper amount of energy and proper orientation
- Time required for half of a sample to decay into a new and more stable element
- A charged particle formed when atoms gain or lose electrons
- Actual number of atoms in a compound
- H+ acceptor
- The number of digits in a value that contributes to the degree of accuracy of the value
- When a compound has the same molecular formula but a different structural formula
- Person who discovered electrons
- When the unstable nucleus of an atom breaks into smaller parts over time to become more stable
- The gain of electrons by an atom or ion
- Person who discovered that electrons travel around the nucleus in orbitals
- Arranges elements based on chemical properties
- One reactant breaking down into multiple products
- Two or more atoms chemically combined that have a fixed composition and can be chemically separated
- H+ donor
- Unit that measures the number of particles in a substance
- When a volume of a solution of a known concentration is used to determine the concentration of an unknown solution
- To separate an aqueous solution
- The movement of energy from one object to another (hot to cool)
- Something that has mass or takes up space
- Two or more substances physically combined that may vary in composition
- Bond where two metals share electrons
- Measure of attraction for all electrons
- Elements that have the same atomic number but a different mass
- Ionic solid with water trapped in crystal lattice
- Two of the same type of element bonded to each other
- The sum of protons and neutrons
- D=m/v
62 Clues: D=m/v • H+ donor • H+ acceptor • Negative ion • Positive ion • Size of an atom • A homogeneous mixture • The ability to dissolve • Two reactants forming a product • Person who discovered electrons • To separate an aqueous solution • The sum of protons and neutrons • Phase change of a gas to a solid • Phase change of a solid to a gas • To separate a solid from a liquid • ...
Chemistry Crossword puzzle 2023-06-07
Across
- a positively charged atom or group of atoms, or a radical which moves to the negative pole (cathode) during electrolysis.
- A spherical path in which electrons move around the nucleus
- a measure of solution concentration expressed in moles of solute per liter of solution.
- Element that is a conductor of electricity, malleable, ductile and lustrous.
- a method of analyzing the composition of a solution by adding known amounts of a standardized solution until a given reaction (color change, precipitation, or conductivity change) is produced.
- A form of a chemical element in which the atoms have the same number of protons but with a different number of neutrons
- the substances that dissolves the solute
- an uncharged atomic particle that has a mass nearly equal to that of the proton
Down
- a charged entity formed when an atom gains or loses one or more electrons
- chemical reaction in which an atom or molecule gains an electron; decrease in positive valence; addition of hydrogen to a molecule.
- the basic unit of a chemical element ; made up of protons, electrons & neutrons
- a substance that makes a chemical reaction occur faster without itself being consumed in the reaction
- the substance that dissolves in a solvent
- ion having a negative charge; an atom with extra electrons. Atoms of non-metals, in solution
- a negatively charged particle in an atom or ion.
- to thin out, or having been thinned out; less than full strength.
- any substance that cannot be broken down into simpler substances (pure substance)
- checking, adjusting, or systematic standardizing of the graduations of a quantitative measuring instrument.
- a positively charged particle in the atom's nucleus
- the simplest structural unit of a substance that retains the properties of the substance, and is composed of one or more atoms.
20 Clues: the substances that dissolves the solute • the substance that dissolves in a solvent • a negatively charged particle in an atom or ion. • a positively charged particle in the atom's nucleus • A spherical path in which electrons move around the nucleus • to thin out, or having been thinned out; less than full strength. • ...
Organic Chemistry Crossword 2023-05-29
Across
- acids Organic compounds with a carboxyl group (COOH)
- Organic compounds derived from carboxylic acids
- A reaction that converts an alcohol to an aldehyde or ketone
- The simplest alkanes, with only one carbon atom
- A class of aldehydes and ketones with an aldehyde group at the end of the carbon chain
- A reaction that breaks down a molecule into smaller fragments
- A reaction that converts a carboxylic acid to an alcohol
- The process of converting an aldehyde to a carboxylic acid
- The process of adding a halogen to a hydrocarbon
- Amines Amines that are derived from ammonia by replacing one or more hydrogen atoms with alkyl or aryl groups
- Organic compounds containing a nitrogen atom bonded to one, two, or three carbon atoms
- A compound with the chemical formula C₆H₆
- Name A compound's name based on its structure, including the presence of any functional groups
- Formation A reaction that converts an alkene to an alkyne
- Interaction A type of intermolecular force caused by the attraction between a permanent dipole moment in one molecule and an opposite partial charge in another molecule
- Chemistry The branch of chemistry that deals with the study of carbon compounds and their reactions
- The process of replacing a hydroxyl group with an alkyl group in an alcohol
- Reactions Reactions involving hydrocarbons
- The process of planning a synthesis pathway backward from the target molecule
- A functional group in alcohols and ethers
- Forces Forces of attraction between molecules
- Organic compounds derived from carboxylic acids and amines
Down
- The system of naming organic compounds
- A class of aldehydes and ketones with a carbonyl group within the carbon chain
- Aromatic compounds derived from benzene
- A reaction that involves the addition of water to a double bond
- A reaction that converts a carboxylic acid to an amide
- Organic compounds containing a carbonyl group (C=O) at the end of a carbon chain
- Isomerism A type of isomerism in which the connectivity of atoms in a molecule is the same, but the arrangement of atoms in space is different
- Organic compounds containing a carbonyl group (C=O) within a carbon chain
- Amide A type of amide formed by reacting a carboxylic acid with ammonia or an amine
- Acid A carboxylic acid with one carbon atom
- Saturated hydrocarbons
- Bond The carbon-carbon bond in alkanes
- Organic compounds containing a hydroxyl group (-OH)
- A reaction that converts an alkene to an alkane
- Organic compounds containing an oxygen atom bonded to two carbon groups
- Unsaturated hydrocarbons with a carbon-carbon double bond
- A reaction that converts a carboxylic acid to an ester
- Alcohols A class of organic compounds with the general formula CₙH₂ₙ₊₁OH
- Unsaturated hydrocarbons with a carbon-carbon triple bond
- Amine A class of organic compounds that contain both a carbonyl group and an amino group
- Dispersion A type of intermolecular force caused by temporary fluctuations in electron distribution
43 Clues: Saturated hydrocarbons • The system of naming organic compounds • Bond The carbon-carbon bond in alkanes • Aromatic compounds derived from benzene • A compound with the chemical formula C₆H₆ • A functional group in alcohols and ethers • Reactions Reactions involving hydrocarbons • Acid A carboxylic acid with one carbon atom • Forces Forces of attraction between molecules • ...
Chemistry Vocab Words 2023-09-29
Across
- A change in which one or more new types of matter form
- the ability for a metal to be formed into a variety of shapes
- a gas turns into a liquid
- often melts at room temperature, does not produce heat or electricity, and is fragile
- process that results in the phase transition of a substance from a solid to a liquid
- A change in which no new substances are formed, change in the shape and size can be reversed easily
- is one of the four fundamental states of matter that have neither volume nor shape
- It represents the element in 1 or 2 letters
- a horizontal row of the periodic table
- depends only on the type of matter in a sample
- state with a definite volume but no fixed shape
- definite shapes and volumes
- A substance that is pure and is one kind of particle
- Atomic number = Number of protons
- A substnace's ability to react with other substances
- A mixture that is not combined, You can take off parts of the mixture
- They look like metals, they conduct heat and electricity
- A class of elements that have shininess, malleability, ductility, and conductivity, most are solid at room temperature
- occur when chemical bonds between atoms are formed or broken
Down
- A system that has elements in order by atomic number
- used by of the five senses, description of an object
- are a group of 15 chemical elements that are silver in color and can tarnish when exposed to oxygen in the air
- A solid that forms during a chemical reaction in a solution
- is the process in which a liquid state changes into a gas
- are chemical elements under the second-to-right column in the periodic table,that forms a salt when it reacts with metal
- They are all in the second column of the periodic table
- A mixture that is blended well that you cannot change it and it’s the same as before
- a column in the periodic table of the chemical elements
- changes when the size of the sample changes
- are a series of metallic elements whose atomic numbers start from 89 and end at 103
- is the amount of space occupied by a sample of matter
- When two or more elements combined
- are small and are made up of a few even smaller particles. It is made up are electrons, protons, and neutrons
- any of the elements found in columnoulumn of the periodic table
- When 2 or more substances merge together without losing their original substance
- phase change of a substance from a liquid state to a solid
- Only contains one atom and on the periodic table
- have atoms with a full outer shell of electrons, do not tend to react with other elements, the last column of the periodic table
- The sum of protons and neutrons in a single atom
- Anything that has mass and occupies space
- a element that is a combination of some metal and some nonmetal elements
41 Clues: a gas turns into a liquid • definite shapes and volumes • Atomic number = Number of protons • When two or more elements combined • a horizontal row of the periodic table • Anything that has mass and occupies space • changes when the size of the sample changes • It represents the element in 1 or 2 letters • depends only on the type of matter in a sample • ...
Chemistry Project Crossword 2023-10-01
Across
- Least reactive metal in reactivity series
- Loss of electrons in electrolysis
- Solid non-metal which conducts electricity
- The type of reaction electrolysis is
- Liquid which undergoes electrolysis
- Used over the option of steel in power cables' inside
- Where reduction occurs
- Electricity can be used purposely to decompose this(Two words, hyphenated)
- An equation which shows the electron transfer at an electrode.
- Element other than carbon which makes for inert electrodes
- synthetic insulator
- Most reactive metal in reactivity series
Down
- The charge of an Anode
- A fuel cell used to produce electricity where the only chemical product is water
- Gain of electrons in electrolysis
- Where oxidation occurs
- An importance use of electrolysis which can be done when the electrodes are not inert.
- Stream of electrons; used in electroplating to coat metals with other metals
- Common acronym for redox
- Carry currents in liquid in electrolysis (plural)
- Carry current through wires and electrodes (plural)
- The kind of energy given out in a great deal during the burning of hydrogen in oxygen
22 Clues: synthetic insulator • The charge of an Anode • Where oxidation occurs • Where reduction occurs • Common acronym for redox • Gain of electrons in electrolysis • Loss of electrons in electrolysis • Liquid which undergoes electrolysis • The type of reaction electrolysis is • Most reactive metal in reactivity series • Least reactive metal in reactivity series • ...
Chemistry Root Words 2023-11-28
24 Clues: di • dec • tri • non • octa • hexa • mono • tetra • hepta • penta • oid=like • co=jointy • poly=many • orbi=circle • neutr=neither • rule of eight • Electr=eletrial • Valentia=strengh • A=not and tomo=cut • Com=with or together • nuc=kernal or center • Iso=equal and topos=place • pro=for and positive attribute • suffix of second element in binary compounds
Matte and Chemistry 2023-11-02
Across
- pure substance made of only one kind of atom
- definite volume and shape
- verticle columns on periodic table
- horizontal rows of elements
- subatomic particle that has no charge
- blend of two or more kinds of matter
- smallest unit of element that maintains properties of elemt
- solid,liquid,gas,plasma
- mass of chemical element
- mixtures uniform in composition
- the combining power of an element
- subatomic particle that has a positive charge
Down
- positively charged region at the center of atom
- the change of a state from a liquid to a gas
- definite volume but indefinite shape
- a tabular army of the chemical elements
- the change of a state from a solid to liquid
- a subatomic particle that has a negative charge
- mixtures that are not uniform
- has neither definite volume nor shape
- substance able to disolve
- number of protons in the nucleus of an atom
- substance made from the atoms of 2 or more elements
23 Clues: solid,liquid,gas,plasma • mass of chemical element • definite volume and shape • substance able to disolve • horizontal rows of elements • mixtures that are not uniform • mixtures uniform in composition • the combining power of an element • verticle columns on periodic table • definite volume but indefinite shape • blend of two or more kinds of matter • ...
Year 8 Chemistry 2023-11-01
Across
- A stable subatomic particle occurring in all atomic nuclei.
- Means Shiny
- is a substance that is chemically joined or exists as its own element.
- A change in matter that does not form new substances
- Rust
- A liquid mixture with a solute and solvent.
- Means Stretchy
- A change in matter that forms one or more new substances.
- two or more elements that have chemically joined together.
- Things that make up an object
- Alloy a mixture of two or more metals, and may even include non metal elements.
- are the smallest blocks of matter that form all our objects - these are made out of individual atoms!
- is a chemical reaction with a Hydrocarbon and oxygen to produce Carbon dioxide and water. This reaction releases heat and light.
Down
- A combination of substances that can be physically separated.
- The new substances formed by a reaction are called
- able to dissolve in other substances
- hold molecules together and create temporary connections that are essential to life.
- In all living cells, Oxygen reacts with sugar to produce Carbon dioxide and water.
- a chemical process in which substances act mutually on each other and are changed into different substances, or one substance changes into other substances.
- What we breathe out
- the minor component in a solution, dissolved in the solvent
- Meaning flat and bendy
- is a reaction that combines Carbon dioxide and water to produce Sugar and Oxygen under the presence of Sunlight.
- A subatomic particle of about the same mass as a proton but without an electric charge.
- is a reaction with metals and oxygen to produce a metal oxide. This is a very slow reaction.
- An attractive force that holds two atoms together
- Atoms with the same number of protons and electrons make one
- The substances that react with each other are called
- A group of atoms bonded together
- The smallest particle of an element
- Will react with a metal to produce a metal salt hydrogen.
31 Clues: Rust • Means Shiny • Means Stretchy • What we breathe out • Meaning flat and bendy • Things that make up an object • A group of atoms bonded together • The smallest particle of an element • able to dissolve in other substances • A liquid mixture with a solute and solvent. • An attractive force that holds two atoms together • The new substances formed by a reaction are called • ...
Unit 2 Chemistry 2023-11-09
Across
- substance formed by the chemical combination of two or more elements in definite proportions
- the measurement of the amount of solute dissolved in a fixed amount of the solution
- A liquid substance capable of dissolving other substances
- A reaction that ABSORBS energy in the form of heat, it is required to start the reaction
- The ease and speed with which an element combines, or reacts, with other elements and compounds.
- the process in which atoms are rearranged to produce new substances
- A reaction that releases energy in the form of heat
- A group of atoms bonded together
- mixture in which two or more substances are so completely blended that it looks like it is made of only one substance
- A substance formed/produced in a chemical reaction
- A combination of chemical symbols and numbers to represent a substance
- A reaction of an acid with a base, yielding a solution that is not as acidic or basic as the starting solutions were.
- a mixture consisting of tiny particles that are intermediate in size between those in solutions and those in suspensions and that are suspended in a liquid, solid, or gas
- A sample of matter, either a single element or a single compound, that has definite chemical and physical properties
- A mixture in which particles can be seen and easily separated by settling or filtration
Down
- Matter is not created nor destroyed in any chemical or physical change
- A substance that is being dissolved in a solution
- the ability of one substance to dissolve in another at a given temperature and pressure
- a mixture in which the composition is uniform throughout
- A system in which both energy and matter can be exchanged between the system and its surroundings
- A mixture that is not uniform in composition; components are not evenly distributed throughout the mixture
- A combination of two or more substances that are not chemically combined
- A representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products
- A system in which mass is conserved inside the system but energy can enter or leave the system freely
- substances that participate in a chemical reaction, the starting substances
25 Clues: A group of atoms bonded together • A substance that is being dissolved in a solution • A substance formed/produced in a chemical reaction • A reaction that releases energy in the form of heat • a mixture in which the composition is uniform throughout • A liquid substance capable of dissolving other substances • ...
Chemistry and Silly 2023-11-08
Across
- 3 bonds no lone pair
- referred to as pie
- 6.022E23
- type of jacket
- non metal bond
- F has the highest
- outershell
- kerr will never lose
- K in baseball
- mass minus protons
- used to weigh
- 35 protons
- 3p6
- PH is less than 7
- “I bat lefty but throw righty”
Down
- K is always a
- the acid of HCl
- mix of two animals
- very very cold
- glass container
- reactant that will run out first
- second highest paid after qb
- dots in a lewis structure
- marjories favorite word
- heat is absorbed
- form of cheese and tires
- person who performs magic
- to lose electrons
- known as “The Great Bambino”
- products are always CO2 and H20
- water’s density
- lost the world series this year
- KOH is a
- mass divided by volume
- Saints dog mascot name
35 Clues: 3p6 • 6.022E23 • KOH is a • outershell • 35 protons • K is always a • K in baseball • used to weigh • very very cold • type of jacket • non metal bond • the acid of HCl • glass container • water’s density • heat is absorbed • to lose electrons • F has the highest • PH is less than 7 • mix of two animals • referred to as pie • mass minus protons • 3 bonds no lone pair • kerr will never lose • mass divided by volume • ...
Grade 9 Chemistry 2023-11-16
Across
- The gas produced when a metal reacts with an acid
- This was used by Rutherford to discover the nucleus
- He discovered the neutron
- When a metal reacts with water a metal _______ is formed
- Ice melting is an example of this kind of reaction
- This element has the symbol K
- The number that tells you how many protons are in an atom
- This element has the symbol Na
- A pale yellow gas that is a halogen
- One of the alkali metals
- These particles have a positive charge
Down
- A chemical reaction in which energy is given out
- These particles have a negative charge
- Any reaction where a substance combines with oxygen
- This element has the symbol C
- This is used to measure temperature changes
- The number that tells you the number of protons and neutrons in an atom
- One of the noble gases
- Another term for burning
- A yellowish green gas that is a halogen
20 Clues: One of the noble gases • Another term for burning • One of the alkali metals • He discovered the neutron • This element has the symbol C • This element has the symbol K • This element has the symbol Na • A pale yellow gas that is a halogen • These particles have a negative charge • These particles have a positive charge • A yellowish green gas that is a halogen • ...
Chemistry - MT 1 2023-12-07
Across
- particles of light
- a negatively charged ion
- unit of energy
- a positively charged ion
- elements found between metals and nonmetals
- bonds formed when atoms share electrons
- a mixture in which substances are evenly distributed throughout the mixture
- a horizontal row of elements on the periodic table
- 0 kelvin
- elements found to the left side of the periodic table
Down
- a reaction that absorbs energy in the form of heat
- group 1 elements
- group 17 elements
- smallest particle of an element
- Avogadro's number of anything
- anything that has mass and takes up space
- groups of two or more atoms held together by chemical bonds
- elements found at the far right side of the periodic table
- a chemical reaction that gives off heat
- groups 3-12 on the periodic table
- the study of the properties of matter and how matter changes
- bonds resulting from the attraction between oppositely charged ions
- atoms of the same element with different numbers of neutrons
- a region in an atom where there is a high probability of finding electrons
- a number written slightly below and to the right of a chemical symbol that shows how many atoms of an element are in a compound
25 Clues: 0 kelvin • unit of energy • group 1 elements • group 17 elements • particles of light • a negatively charged ion • a positively charged ion • Avogadro's number of anything • smallest particle of an element • groups 3-12 on the periodic table • a chemical reaction that gives off heat • bonds formed when atoms share electrons • anything that has mass and takes up space • ...
Chemistry Names (Difficult!!) 2023-11-15
20 Clues: U • Mo • I3 • Na • Pb • Au • CO • Ag • CO2 • SF6 • Br2 • CH4 • N2O3 • means five • means four • means three • Used in lights • Metal melts at 88F • Density close to gold (W) • Element in organic compounds
Crossword Puzzle Chemistry 2023-12-12
Across
- atomic particle with no charge
- atomic particle with a negative charge
- center of an atom with neutrons and protons
- a metal is a material that, when freshly prepared, polished, or fractured, shows a lustrous appearance, and conducts electricity and heat relatively well
- formed between two or more atoms by the transfer of one or more electrons between atoms
- a substance that flows freely but is of constant volume
- a negativily charged ion
- a covalent bonded set of two or more atoms, or of a metal complex, that can be considered to behave as a single unit and that has a net charge that is not zero
- a connection between two surfaces or objects that have been joined together, especially by means of an adhesive substance, heat, or pressure
- a substance or matter in a state in which it will expand freely to fill the whole of a container
- a chemical bond formed when electrons are shared between two atoms
Down
- the electrons in the outermost shell, or energy level, of an atom
- an element or substance that is not a metal
- process of a solid transforming into a liquid
- a positively charged ion
- a covalent bond between two atoms where the electrons forming the bond are unequally distributed
- atomic particle with a positive charge
- a metalloid is a type of chemical element which has a preponderance of properties in between, or that are a mixture of, those of metals and nonmetals
- firm and stable in shape; not liquid or fluid.
- a type of bond that occurs when two atoms share a pair of electrons with each other
20 Clues: a positively charged ion • a negativily charged ion • atomic particle with no charge • atomic particle with a negative charge • atomic particle with a positive charge • an element or substance that is not a metal • center of an atom with neutrons and protons • process of a solid transforming into a liquid • firm and stable in shape; not liquid or fluid. • ...
Chemistry Vocabulary Review 2023-12-13
Across
- The topic of naming ions and compounds; involves identifying the name or formula
- _____ diagrams are used to show the order of orbitals are filled when writing electron configurations
- A substance made up of multiple atoms bonded together
- After electrons get excited, they release energy called atomic ______ to return to their original energy level
- The agreement of a set of measurements with the true/right value
- _______ of a chemical reaction are signs that the reaction has occurred. These include a change in odor, emission of energy, and gas production
- The percent __________ describes the relative amounts of the elements in compound, which helps show the compound’s makeup
- Measures heat and can be measured in 3 different units: Kelvin, Celsius, and Fahrenheit
- Nuclear _______ can be found as three types, Alpha, Beta, and Gamma.
- Matter can be found in four main _____, solid, liquid, gas, and plasma. This describes the phase that the matter is in.
- This type of formula is the simplified version of a chemical formula
- A version of an atom that has the same number or protons but a different number of neutrons
- Percent _____ shows how accurate/correct your experimental data is compared to the known, accepted value.
- Safety ______ are a type of lab equipment, used to protect the eyes from fumes, chemicals, and/or glass.
- ______ electrons are the electrons found in the outermost shell of an atom
- The ____ of reaction measures the speed at which a chemical reaction happens
- The scientific field that is centered around the study of matter
- This type of element is a good conductor that is malleable and ductile, and typically a cation
Down
- The _______ Table is an organized array that features all of the elements, organized by atomic number.
- A tightly bound group of atoms that form a single unit with a charge
- Light can be modeled as a ____, which has a wavelength, amplitude, and frequency
- Scientific ______ is a way to report numbers in the form _.______ x 10_
- Lab ___ describes the materials and tools used when performing an experiment
- The SI unit for amount in a sample. The number of particles in one of these is equal to Avogadro’s Number
- This type of bond occurs between a metal and a nonmetal and involves the giving of electrons
- _____ Particles are smaller pieces within atoms, namely protons, neutrons, and electrons
- This is a bonding theory that helps to identify electron pair geometry and molecular geometry of a compound
- This type of element is a poor conductor that is brittle and dull, and typically an anion
- The Scientific _______ is a process with 6 steps that is important for all scientific discoveries
- Describes how much matter is fit into a certain amount of space.
- The _____ Spectrum includes waves of various wavelengths and frequencies, ranging from Gamma rays to radio waves
- A cylindrical glass container that can be used to store, heat, and mix substances
- Components of an atom in which electrons are held. Types are s, p, d, f, and g
- This type of bond occurs between two nonmetals and involves the sharing of electrons
- A chemical _____ outlines the reactants and products of a reaction separated by an arrow; acts as a recipe
- Anything that has mass and takes up space
36 Clues: Anything that has mass and takes up space • A substance made up of multiple atoms bonded together • The agreement of a set of measurements with the true/right value • Describes how much matter is fit into a certain amount of space. • The scientific field that is centered around the study of matter • ...
Grade 9 Chemistry 2023-11-22
Across
- An example of an endothermic process
- The chemical name for rust
- This is formed when calcium reacts with hydrochloric acid
- 20% of the air is this gas
- An element with the chemical symbol Be
- Group 8 elements are known as .........
- This is where you find electrons
- Group 7 elements are known as the........
- This is formed when charcoal burns
- How many electrons fit in the second shell
- Group 1 elements are known as the......
- Rusting is this type of reaction
- One of the noble gases
- He discovered the proton
- A type of fuel
Down
- These are found inside the nucleus
- This material can be used instead of glass to measure temperature changes in chemical reactions
- This substance added to citric acid is an endothermic reaction
- These are found on the right-hand side of the Periodic Table
- These atomic particles have no charge
- How many electrons fit in the first shell
- In an endothermic reaction, the temperature .......
- These are on the left-hand side of the Periodic Table
- An element with the chemical symbol Si
- chloride Dissolving this chemical is an endothermic process
- One of the alkali metals
- In an exothermic reaction the temperature .........
- This is formed with the combustion of hydrogen
- He discovered the electron
- This is needed for combustion
30 Clues: A type of fuel • One of the noble gases • One of the alkali metals • He discovered the proton • The chemical name for rust • 20% of the air is this gas • He discovered the electron • This is needed for combustion • This is where you find electrons • Rusting is this type of reaction • These are found inside the nucleus • This is formed when charcoal burns • ...
unit 2- chemistry 2023-09-25
Across
- The arrangement of electrons in an atom
- - with no mass that carries a quantum energy
- consists of all radiation
- atoms that determine the chemical properties of an element and it’s on the outer orbital
- atom/atoms with either a positive or negative charge
- The shortest distance between equivalent points on a continuous wave Energy-sublevel- The energy levels contained within a principal energy level.
- an equation that shows the atomic and mass number
- particle with 2 protons and 2 neutrons
- ion with a negative charge
- a form of energy that travels through space
- minimum amount of energy
- number of waves that pass a given point
- the rays and particles emitted by live materials
Down
- a process where substances emit radiation
- rule- atoms share, lose, or gain electrons to be stable
- Major energy levels of an atom
- lowest energy state of an atom
- Particle- high-speed charge that is emitted during the decay
- A model that uses dots to represent pairs or lines for the bond and it shows how electrons are arranged
- ion with a positive charge
- Ray- high speed with no electrical charge
21 Clues: minimum amount of energy • consists of all radiation • ion with a positive charge • ion with a negative charge • Major energy levels of an atom • lowest energy state of an atom • particle with 2 protons and 2 neutrons • The arrangement of electrons in an atom • number of waves that pass a given point • a process where substances emit radiation • ...
REVISION IN CHEMISTRY 2023-05-23
Across
- solid turns into gas
- is used to separate solids of different sizes
- a technique used to get salt from seawater
- an indicator of a chemical change - formed when mixing baking soda and vinegar
- the substance that didn't pass the filter paper
- the process of breaking down solute
- the dissolving substance
- the substance being dissolved
- has a North pole and a South pole
- an indicator of a chemical change - an example is the ripening of fruits
- a common example of a magnetic material
- measure of how hot or cold an object is
- gas turns into solid
- liquid turns into gas
- the ability of a liquid to mix with another liquid to form a solution
- a type of change that produces a new substance
Down
- the ability to reduce the volume of something when pressure is applied.
- a type of solution that reached the maximum amount of dissolved solute
- unit of temperature
- is anything that has mass and volume
- is the property that is definite for solids but indefinite for liquids and gases
- is the space occupied by the matter
- particles are compact
- is compressible
- gas turns into liquid
- combination of a solute and a solvent
- a tool to measure temperature
- the substances that passed through the filter paper
- is used to separate solid + liquid mixture
- solid turns into liquid
- a mixture with two or more visible parts or layers
- liquid turns into solid
- an indicator of a chemical change - an example is the smell of a decaying body
- a type of change that does not produce any new substance
- particles are sliding past one another
35 Clues: is compressible • unit of temperature • solid turns into gas • gas turns into solid • particles are compact • gas turns into liquid • liquid turns into gas • solid turns into liquid • liquid turns into solid • the dissolving substance • the substance being dissolved • a tool to measure temperature • has a North pole and a South pole • is the space occupied by the matter • ...
Chemistry & Chemical Safety 2023-08-22
Across
- material that is capable of igniting and burning
- abbreviated O/W emulsion; oil droplets emulsified in water
- alcohols that evaporate easily
- a substance that causes an increase in cellular mutations, some of which are harmful but others which have little or no effect on the body’s function; may cause cancer but not always
- chemical reaction that requires the absorption of energy or heat from an external source for the reaction to occur
- the smallest chemical components (often called particles) of an element
- required by law for all products sold include safety information about products compiled by the manufacturer, including hazardous ingredients, safe use and handling procedures, proper disposal guidelines, and precautions to reduce the risk of accidental harm or overexposure
- a stable, uniform mixture of two or more substances
- a measure of the acidity and alkalinity of a substance
- also known as bases; compounds that react with acids to form salts
- an ingredient that brings two normally incompatible materials together and binds them into a uniform and fairly stable mixture
- an ion with a negative electrical charge
- a colorless liquid or white crystals with a strong unpleasant odor that is used in permanent waving solutions
- the abbreviation used for potential hydrogen.
- the substance that is dissolved in a solution
- abbreviated W/O emulsion; water droplets emulsified in oil
- colorless gas with a pungent odor that is composed of hydrogen and nitrogen
- the simplest form of chemical matter; an element cannot be broken down into a simpler substance without a loss of identity
- an atom or molecule that carries an electrical charge
- chemical reaction that releases a significant amount of heat
- sweet, colorless, oily substance used as a solvent and as a moisturizer in skin and body creams
- abbreviated VOCs; compounds that contain carbon (organic) and evaporate very easily (volatile)
- liquids that are mutually soluble, meaning that they can be mixed together to form stable solutions
- subatomic particles with no charge
- a substance that causes or is believed to cause cancer
Down
- also known as redox; a chemical reaction in which the oxidizing agent is reduced (by losing oxygen) and the reducing agent is oxidized (by gaining oxygen)
- a solution that has a pH below 7
- rapid oxidation of a substance accompanied by the production of heat and light
- a contraction of surface active agents; substances that allow oil and water to mix, or emulsify
- an alpha hydroxy acid used in exfoliation and to lower the pH of products
- molecule containing two or more atoms of the same element in definite (fixed) proportions
- the substance that dissolves the solute and makes a solution
- special type of oil used in hair conditioners, water-resistant lubricants for the skin, and nail polish dryers
- abbreviated AHAs; acids derived from plants (mostly fruit) that are often used to exfoliate the skin
- a chemical combination of matter in definite (fixed) proportions
- an unstable physical mixture of two or more immiscible substances (substances that normally will not stay mixed) plus a special ingredient called an emulsifier
- when acids are mixed with alkalis in equal proportions, balancing the total pH and forming water (H2O) and a salt
- a change in the form or physical properties of a substance without a chemical reaction or the creation of a new substance
- unstable physical mixtures of undissolved particles in a liquid
- substances that should not be mixed or even stored near each other
- a substance that releases oxygen
- a substance that adds hydrogen to a chemical compound or subtracts oxygen from the compound
- characteristics that can be determined without a chemical reaction and that do not cause a chemical change in the substance
- liquids that are not capable of being mixed together to form stable solutions
- a change in the chemical composition or makeup of a substance
- material that is capable of igniting and burning, and easier to ignite than combustible material
- a solution that has a pH above 7
- characteristics that can be determined only by a chemical reaction and a chemical change in the substance
- the separation of an atom or molecule into positive and negative ions
- subatomic particles with a negative charge
- a very strong alkali used in chemical products and cleaners; commonly known as lye
- alkaline substances used to neutralize acids or raise the pH of many hair products
- easily absorbs moisture; in chemistry terms, capable of combining with or attracting water (water-loving)
- any substance that occupies space and has mass
- subatomic particles with a positive charge
- an ion with a positive electrical charge
- science that deals with the composition, structures, and properties of matter and how matter changes under different conditions
- a chemical combination of two or more atoms in definite (fixed) proportions
58 Clues: alcohols that evaporate easily • a solution that has a pH below 7 • a substance that releases oxygen • a solution that has a pH above 7 • subatomic particles with no charge • an ion with a negative electrical charge • an ion with a positive electrical charge • subatomic particles with a negative charge • subatomic particles with a positive charge • ...
Introduction to Chemistry 2023-08-22
Across
- a proposed explanation for an observation that should be an if/then statement
- measure of how close a series of measurements are to one another, irrespective of the actual value
- measures of values or counts and are expressed as numbers
- procedure or process that is used to test a hypothesis
- the area that deals with the mechanism, rate, energy transfer that occurs when matter undergoes a change
- the study of the composition of matter and the changes that matter undergoes
- the area of study that focuses on the composition of matter
- this is based in what you see and wondering what is happening
- the study of chemicals that, in general, do not contain carbon
- the variable that you change
Down
- research that is directed toward a practical goal or application
- scientist interprets data to answer hypothesis, can take several experiments or several trails for the to come up with
- data that approximates and characterizes information based on the 5 senses
- measure of how close a measurement comes to the actual or true value of whatever is measured
- the variable that you observe
- a logical, systematic approach to the solution of a scientific problem
- the study of processes that take place in living organisms
- the pursuit of chemical knowledge for its own sake
- Well tested explanation for a broad set of obsevations
- any variable that could have been changed, now must remain the same to get consistent and accurate data
- the study of all chemicals containing carbon
- concise statement that summarizes the results of many observations and experiments
22 Clues: the variable that you change • the variable that you observe • the study of all chemicals containing carbon • the pursuit of chemical knowledge for its own sake • procedure or process that is used to test a hypothesis • Well tested explanation for a broad set of obsevations • measures of values or counts and are expressed as numbers • ...
Chemistry Word Puzzle 2023-08-22
Across
- a solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivity
- an element intermediate in properties between the typical metals and nonmetals
- a gaseous, liquid or solid mixture that has the same proportions of its components throughout a given sample.
- consist of oxygen and one other element
- a heterogeneous mixture of a finely distributed solid in a liquid.
- a substance that can neutralize the acid by reacting with hydrogen ions.
- a type of matter that has no defined shape or volume.
- a homogenous mixture of two or more substances in relative amounts that can be varied continuously up to what is called the limit of solubility.
- a method of separating mixtures based on differences in their volatilities in a boiling liquid mixture.
- a chemical substance that neutralizes alkalis, dissolves some metals, and turns litmus red; typically, a corrosive or sour-tasting liquid of this kind.
Down
- a bond exclusively between metals.
- a substance that flows freely but is of constant volume, having a consistency like that of water or oil.
- a substance made from two or more different elements that have been chemically joined.
- a chemical bond that involves the sharing of electrons to form electron pairs between atoms.
- a mixture in which the composition is not uniform throughout the mixture.
- an element or substance that is not a metal.
- made up of the negative ion (anion) of an acid and the positive ion (cation) of a base.
- a homogeneous non crystalline substance consisting of large molecules or ultramicroscopic particles of one substance dispersed through a second substance.
- firm and stable in shape; not liquid or fluid.
- a chemical compound composed of ions held together by electrostatic forces termed ionic bonding.
20 Clues: a bond exclusively between metals. • consist of oxygen and one other element • an element or substance that is not a metal. • firm and stable in shape; not liquid or fluid. • a type of matter that has no defined shape or volume. • a heterogeneous mixture of a finely distributed solid in a liquid. • ...
Chemistry Unit 3 2023-12-21
Across
- equipment used to test pH value of an acid or alkali
- element symbol Li
- reaction when a more reactive element dsiplaces a less reactive element
- a base that can be dissolved in water
- _________ change that can be reversed
- reaction when energy is given out to the surrounding
- _______indicator used to test for an acid or alkali
- element symbol Ca
- _________ acid with a chemical formula HNO3
- state symbol (s)
Down
- element symbol Mg
- element in group 3 on the reactivity series
- ________ acid with a chemical formula HCl
- ___________ change that cannot be reverse
- reaction when energy is taken in from the surroundings
- most reactive element on the reactivity series
- _________ paper used to test for an acid of alkali
- least reactive element on the reactivity series
- ___________ acid with a chemical formulae H2SO4
- can go back to what you started with
- state symbol (l)
- state symbol (g)
22 Clues: state symbol (l) • state symbol (g) • state symbol (s) • element symbol Mg • element symbol Li • element symbol Ca • can go back to what you started with • a base that can be dissolved in water • _________ change that can be reversed • ________ acid with a chemical formula HCl • ___________ change that cannot be reverse • element in group 3 on the reactivity series • ...
Organic Chemistry Crossword 2024-05-12
Across
- compound containing two OH groups
- donates an electron pair
- "electron loving"
- IMF based on surface area
- apparatus with a light that is used to check for specific rotation
- the only reversible aromatic reaction
- amphoteric molecule
- non carbon or hydrogen atoms
- terrible leaving group in SN2/E2
- the flow of electrons in a pi bond or orbital
- reaction where a pi bond is broken
- accepts an electron pair
- carbon with four different attachments
Down
- the mixing of atomic orbitals to form new hybrid orbitals
- hydrocarbons with (E)/(Z) notation
- synthetic fats
- building block of the phospholipid bilayer
- second step of bromination
- separation of charges
- halid electrophile in SN2
- hydrocarbons with carbons that are held together by single bonds
- reaction where a pi bond is formed
- "nucleus loving"
23 Clues: synthetic fats • "nucleus loving" • "electron loving" • amphoteric molecule • separation of charges • donates an electron pair • accepts an electron pair • IMF based on surface area • second step of bromination • halid electrophile in SN2 • non carbon or hydrogen atoms • terrible leaving group in SN2/E2 • compound containing two OH groups • hydrocarbons with (E)/(Z) notation • ...
Chemistry Benchmark Review 2024-05-09
Across
- number of valence electrons of oxygen
- moles divided by liters
- Al2(SO4)3 contains how many sulfate ions?
- the number of significant digits in 1.0002
- a bond type that exists between a metal and nonmetal.
- a student measures a 15mL sample to be 23mL. The student checks again and gets 23mL. The student checks a third time and gets 23mL. Accurate or Precise?
- Celsius + 273.15
- four carbon dioxide molecules would contain how many oxygen atoms?
- number of protons oxygen atoms have.
- molar mass of water (in words)
- The current model of the atom
- Sulfur-32 has less __________ than Sulfur-34.
- 3x10^5
Down
- A + B = AB (a chemical reaction type where two things become one)
- equilibrium: a balance of products and __________.
- the number of carbon atoms it takes to make a single C4H10.
- This, along with pressure, increases when temperature increases.
- a formula often used in lab to describe accuracy of your result.
- a bond type that shares electrons
- triphosphorus pentanitride
- measures the hydrogen ion concentration, below 7 is acidic
- the molecular geometry of water
- The solid sphere/billiard ball model was the first model of the _____.
- formula for aluminum chloride.
- the pressure inside an container that contains two gases, each at 250 psi
25 Clues: 3x10^5 • Celsius + 273.15 • moles divided by liters • triphosphorus pentanitride • The current model of the atom • molar mass of water (in words) • formula for aluminum chloride. • the molecular geometry of water • a bond type that shares electrons • number of protons oxygen atoms have. • number of valence electrons of oxygen • Al2(SO4)3 contains how many sulfate ions? • ...
Chemistry- Semester 2 2024-05-16
Across
- this law expresses the relationship between pressure, temperature, and volume
- substance which is neither acidic or basic
- universal solvent
- a heat transfer when warm rises from from cooler either from gases or liquids
- contains more dissolved solute than a saturated solution (crystals are formed)
- a solution with a relatively high concentration
- element present in all acids
- a number written in front of a reactant or product of a chemical equation
- solute that dissolves in a solvent
- homogeneous mixtures
- a solution with a relatively low concentration
- substances that are formed as a result of a chemical reaction
- weak base used to neutralize stomach acidity
Down
- a form of energy
- this variable has units of mL or L
- contains less dissolved solute that a saturated (more solute can be dissolved)
- a heat transfer when there is no contact between the heat source and the object being heat
- it has never been this cold= zero K
- contains the maximum amount of dissolved solute in a solvent
- the substance that takes part in or undergoes change in a chemical reaction
- the ability to do work or supply heat
- the unit that represents the amount of a substance
- a heat transfer when two objects are in contact with each other
- experimental measurement of the amount of products obtained from a chemical reaction
- this law describes the relationship between pressure and volume of a gas
- law that talks about how volume and temperature are directly proportional
26 Clues: a form of energy • universal solvent • homogeneous mixtures • element present in all acids • this variable has units of mL or L • solute that dissolves in a solvent • it has never been this cold= zero K • the ability to do work or supply heat • substance which is neither acidic or basic • weak base used to neutralize stomach acidity • ...
EOG Review Chemistry 2024-05-16
Across
- an element that conducts heat and electricity, mostly solids
- the smallest unit of an element that has all the properties
- an element that does not conduct electricity or heat, mostly gases
- electrons that are located in the outermost shell of an atom
- the number of protons contained in each nucleus
- a substance that cannot be broken down into a simpler substance
- a mixture that is uniform and you cannot see the individual substances
- a chart that organizes information about all the known elements according to their properties
- a vertical column on the periodic table
- gas, smoke, color change, formation of a precipitate, change in temperature
- a pure substance that is made of two or more elements that are chemically combined
Down
- a scientific law that states that during a chemical reaction, matter cannot be created or destroyed but an be changed into a different form
- a change that can be reversed and nothing new formed
- a mixture that is not uniform ad the components can be visibly distinquished
- anything that has mas and takes up space
- an element that has some properties of a metal and some of a nonmetal
- a horizontal row on the periodic table
- describes how likely an element is to form bonds with other elements
- a change that cannot be reversed and something new with different properties is created
- chemical formula(s) to the right of the arrow in a chemical equation
- the smallest unit of a compound that has all the properties
- chemical formula(s) to the left of the arrow in a chemical equation
22 Clues: a horizontal row on the periodic table • a vertical column on the periodic table • anything that has mas and takes up space • the number of protons contained in each nucleus • a change that can be reversed and nothing new formed • the smallest unit of an element that has all the properties • the smallest unit of a compound that has all the properties • ...
Chemistry Bonus Crossword 2024-04-23
Across
- an atom that accepts electrons in an SD reaction is being __
- HNO3 is an example of what?
- this scientist is credited with discovering the nucleus
- substances that are volatile vaporize easily
- when two or more reactants combine to make a single product
- the ______ effect is when light is reflected from dispersed particles in a colloid
- as temperature decreases, pressure ________
- a substance goes directly from a gas to a solid
- how many sig figs are in the number: 2340.
- larger gases move slower whereas smaller gases move ______
- how close a series of measurements are to each other
- separating alcohol from water is an example of _____
Down
- the smallest ratio of cations to anions is called _________
- atoms of the same element with a different number of neutrons
- liquids of the periodic table include Bromine and _______
- liquids _______ to gases
- when written out, reversible reactions have a ______
- many ionic compounds are ________ in water
- a ______ reaction is where more energy is used to break apart the solute
- the change in heat of the products from the reactants
20 Clues: liquids _______ to gases • HNO3 is an example of what? • many ionic compounds are ________ in water • how many sig figs are in the number: 2340. • as temperature decreases, pressure ________ • substances that are volatile vaporize easily • a substance goes directly from a gas to a solid • when written out, reversible reactions have a ______ • ...
Unit 9 Chemistry 2024-04-24
Across
- The amount of pressure of individual elements or compounds that make up the pressure of the entire system
- When the equilibrium of a system is disturbed, the system will adjust to reestablish equilibrium
- How close or far apart the molecules are to each other
- The idea that a chemical reaction occurs when two particles collide
- A table that shows the initial, change, and equilibrium amounts in a reaction
- The resulting chemicals from a reaction
- The starting chemicals
- The reduction of excess by consuming it
- A substance not involved in the reaction that increases the rate of reaction
- The expression that shows how the reaction is before reaching equilibrium
- The reduction of deficit by making more
- When the reaction is balanced and stops producing reactants or pdocuts
Down
- The energy at which a reaction begins
- A reaction that can go forwards and backwards
- A reaction that loses energy over time
- The expression that shows what the reaction will look like at equilibrium
- The increase in energy from the energy in the reactants to the activation complex
- A reaction that completely consumes the reactants
- A transformation from one chemical to another
- A reaction that gains energy over time
20 Clues: The starting chemicals • The energy at which a reaction begins • A reaction that loses energy over time • A reaction that gains energy over time • The resulting chemicals from a reaction • The reduction of excess by consuming it • The reduction of deficit by making more • A reaction that can go forwards and backwards • A transformation from one chemical to another • ...
Chemistry Vocabulary Crossword 2024-05-16
Across
- positively-charged atomic particle
- the number of protons in an atom
- type of reaction in which one reactant becomes two or more products
- the results of a chemical reaction
- a homogeneous mixture in which one substance is dissolved
- if a reaction absorbs heat, it is ______
- type of equation which shows only the ions which participate in the reaction
- the affinity of an atom for electrons
- the movement of gas particles through a small hole
- type of electron in the outermost energy level
- the reagent that determines the yield of products
- the calculation of quantities in chemical reactions
- atom with a positive charge
Down
- when the forward and reverse reactions rates are equal
- the energy required for a chemical reaction to happen
- a mixture with large particles that do not dissolve
- a substance that changes color in the presence of an acid or base
- type of bond in which electrons are shared
- a quantity equal to Avogadro's number
- atoms with different numbers of neutrons
- a measure of the amount of solute dissolved in a solvent
- when a solution contains the maximum amount of solute, it is _____
- the type of acid that is a proton donor
- a row across the periodic table
- substance that speeds up a chemical reaction
- the heat flow of a system at constant pressure
- the simplest type of any substance
- turning a liquid into a gas through evaporation
- region of space where an electron is most likely found
- element in group 7A on the periodic table
30 Clues: atom with a positive charge • a row across the periodic table • the number of protons in an atom • positively-charged atomic particle • the results of a chemical reaction • the simplest type of any substance • a quantity equal to Avogadro's number • the affinity of an atom for electrons • the type of acid that is a proton donor • if a reaction absorbs heat, it is ______ • ...
Chemistry reference table 2024-05-20
Across
- 7 carbon atoms
- 2260j/g*k
- HCl
- Highest vapor pressure
- Least active metal
- q=mc^t
- 14u
- HNO3(aq)
- R-OH
- 146 atomic radius
- 10^-6
- R-O-R'
- n
- Methyl orange 3.0
- Red to blue
Down
- B+
- Moles over liters
- element with the highest electronegativity
- 101.3 kpa or 1 atm
- CnH2n+2
- 1 carbon atom
- g as in mass
- In all organic compounds
- Amount of substance
- Least active nonmetal
- Most active metal
26 Clues: n • B+ • HCl • 14u • R-OH • 10^-6 • q=mc^t • R-O-R' • CnH2n+2 • HNO3(aq) • 2260j/g*k • Red to blue • g as in mass • 1 carbon atom • 7 carbon atoms • Moles over liters • 146 atomic radius • Most active metal • Methyl orange 3.0 • 101.3 kpa or 1 atm • Least active metal • Amount of substance • Least active nonmetal • Highest vapor pressure • In all organic compounds • element with the highest electronegativity
Chemistry revision crossword 2024-07-01
Across
- The maximum mass of a solute that will dissolve in 100g of a solvent at a fixed temperature.
- The electrostatic attraction between positively charged metal ions and the negatively charged sea of delocalised electrons.
- A technique used to separate an insoluble solid from a solution.
- bond The electrostatic attraction between oppositely charged ions.
- a subatomic particle with a mass of approximately 1/1840.
- A technique used to separate pure water from salt solution.
- A small group of covalently bonded atoms.
- Atoms with the same number of protons but a different number of neutrons.
- A piece of apparatus used to add a variable volume of a solution to the reaction vessel.
- The electrostatic attraction between a shared pair of electrons and the nuclei of two atoms.
- A type of equation that must be comprised of chemical formulae, showing the reactants and products of a reaction.
- When a solid changes state to form a gas.
- The structure found in diamond.
- a subatomic particle with a charge of +1.
Down
- Dissolves in water.
- The structure found in ionically bonded substances.
- A substance that released hydrogen ions in solution.
- The number of protons in an atom of carbon.
- The structure found in small covalently bonded substances.
- The insoluble solid that is collected on the filter paper.
- A technique used to separate liquids with similar boiling points.
- A soluble base.
- Made up of protons, neutrons and electrons.
- point The temperature at which a substance will melt or freeze.
- The solution which passes through filter paper and is collected.
- A column of elements in the Periodic Table which share similar chemical properties.
- A row of elements in the Periodic Table.
- Does not dissolve in water.
- A number calculated by dividing the distance travelled by a spot of dye by the distance reached by the solvent front.
- The process whereby particles mix and spread out over time, moving from a higher to a lower concentration.
- The number of neutrons in an atom of fluorine.
- A substance where the hydrogen from an acid has been replaced with another positive ion such as a metal or ammonium ion.
- A substance which neutralises alkalis.
- A charged particle.
- An acid which only slightly dissociates into hydrogen ions in solution.
- A technique used to separate different dyes in a solution.
36 Clues: A soluble base. • Dissolves in water. • A charged particle. • Does not dissolve in water. • The structure found in diamond. • A substance which neutralises alkalis. • A row of elements in the Periodic Table. • A small group of covalently bonded atoms. • When a solid changes state to form a gas. • a subatomic particle with a charge of +1. • ...
Chemistry Honors Elements 2024-08-01
Intro to chemistry 2024-03-27
Across
- ______ expands to occupy space
- when solids are removed from a liquid via ____
- what color is the safety flame?
- where does the word 'chromatography' come from?
- The weight of an object can be called?
- _________ maintains its shape
- what is used to burn stuff?
- the procedure to make discoveries.
- what container does ice melt the slowest?
- When something decreases in size
- after doing an experiment you need to do a scientific ______
- _____ adapts to the shape of the object its put into
- What anagram is used when using the Bunsen burner
- something that can't dissolve
- how many states of matter is there
- a substance that dissolves a solute
Down
- The scientific word for 'burning'
- you can speed up a dissolving process by ______ it
- _________ the amount of the object
- the _____ gas is in the taps at the chemistry lab
- you need to ____ the right amount to make the experiment work
- when something expands
- we use _____ to boil water
- changing state from solid to liquid
- you need a _____ to make sure the tables do not get burned
- wearing ____ will prevent stuff getting into your eyes
- the result of two substances mixed together.
- Changing state from a solid to a gas
- _____ is the name for a solid that forms into a liquid during a chemical reaction
- something that is used to dissolve in a solvent.
- you need to ___ long hair back
31 Clues: when something expands • we use _____ to boil water • what is used to burn stuff? • _________ maintains its shape • something that can't dissolve • ______ expands to occupy space • you need to ___ long hair back • what color is the safety flame? • When something decreases in size • The scientific word for 'burning' • _________ the amount of the object • ...
Chemistry grade X 2024-03-18
Across
- Be adalah lambang atau singkatan dari unsur
- unsur yang berbeda dengan jumlah neutron yang sama disebut
- ilmuwan yang melakukan percobaan spektrum hidrogen untuk teori atom
- gabungan dari dua unsur atau lebih
- jika jumlah elektron > jumlah proton karena penerimaan elektron kondisi ini disebut
- unsur yang memiliki kulit terluar 2 maka termasuk kedalam periode ke
- jika jumlah proton > jumlah elektron karena pelepasan elektron kondisi ini disebut
- jika unsur-unsur disusun berdasarkan kenaikan nomor massa atom, sifat unsur tersebut akan berulang pada unsur kedelapan merupakan hukum oktaf yang dikemukakan oleh
- alat di laboratorium yang digunakan untuk memindahkan zat cair
- alat di laboratorium untuk mengambil zat yang berbentuk padat dan berukuran kecil
Down
- campuran yang tidak dapat dibedakan antara zat-zat yang tercampur di dalamnya
- minyak dan air adalah contoh campuran ini yang disebut sebagai
- unsur yang memiliki elektron valensi 5 maka termasuk kedalam golongan
- alat di laboratorium yang membantu untuk memasukkan larutan ke tempat yang berisi sampel bahan kecil
- C adalah lambang atau singkatan dari unsur
- golongan VIII A atau gas mulia dikenal dengan golongan yang sangat ... dibandingkan dengan golongan lainnya
- sebutan untuk golongan IA yang terletak di paling kiri dari tabel periodik
- unsur sama (jumlah proton sama), tetapi massa berbeda (jumlah neutron berbeda) disebut
- bilangan determinan untuk menentukan posisi elektron dalam atom
- TIDAK ADA dua elektron dalam orbital yang sama memiliki empat bilangan kuantum yang sama merupakan larangan dari
20 Clues: gabungan dari dua unsur atau lebih • C adalah lambang atau singkatan dari unsur • Be adalah lambang atau singkatan dari unsur • unsur yang berbeda dengan jumlah neutron yang sama disebut • minyak dan air adalah contoh campuran ini yang disebut sebagai • alat di laboratorium yang digunakan untuk memindahkan zat cair • ...
Chemistry and Biology 2024-02-16
Across
- point temperature at which a liquid becomes a gas
- Has no apparent current function
- A substance that cannot be broken down by chemical means
- Type of ionic compound
- Positively charged particles
- Negatively charge particles
- linked by amino acids.
- Most abundant element.
- The combination of alleles that give rise to a phenotype
Down
- results to two identical daughter cells.
- Produce hydrogen ions in solution
- used to describes different versions genes
- A malleable, conductive, and ductile substance.
- When two opposing reactions happens at the same time
- The science of classifying things
- atoms of an element with different masses.
- Might be calibrated in Fahrenheit or centigrade
- an atom or molecule with a net electrical charge
- The component of solution present in larger amount
- combination of two or more atoms
20 Clues: Type of ionic compound • linked by amino acids. • Most abundant element. • Negatively charge particles • Positively charged particles • Has no apparent current function • combination of two or more atoms • Produce hydrogen ions in solution • The science of classifying things • results to two identical daughter cells. • used to describes different versions genes • ...
Chemistry of Life 2023-10-16
Across
- water can dissolve most substances
- able to dissolve substances
- solutions that have a pH below 7
- why is controlling pH important for the body
- the movement of water within the spaces of a porous material due to the forces of adhesion, cohesion, and surface tension.
- solutions with more hydroxide ions than hydrogen
- property that allows water to stick to other things
- an equal amount of hydrogen and hydroxide ions
- property that allows water to stick to water
- strong connector within water molecule
- important property that allows light to go into a body of water
- A mixture (ex:sugar and water)
- A weak connector between water molecules
Down
- water has the potential for what type of ions
- pH represents a factor of 10 in what type of scale
- the property of the surface of a liquid that allows it to resist an external force, due to the cohesive nature of its molecules.
- water is a temperature stabilizer because it has the ability to absorb a lot of
- a weak acid or base that prevents sharp sudden pH spikes
- What is the pH of pure water
- electrons are gained, lost, or transferred
- solutions with pH above 7
- Oil and water will create a
- energy is stored inside
- particles that can be dissolved
- unequal sharing of electrons
25 Clues: energy is stored inside • solutions with pH above 7 • able to dissolve substances • Oil and water will create a • What is the pH of pure water • unequal sharing of electrons • A mixture (ex:sugar and water) • particles that can be dissolved • solutions that have a pH below 7 • water can dissolve most substances • strong connector within water molecule • ...
Chemistry Revision Crossword 2024-04-21
Across
- The weight of the nucleus is known as the Atomic _______
- When an atom _______ electrons it becomes negatively charged
- When two or more different atoms bond
- When two or more atoms bond together
- The type of bond formed between non-metals
- Electrons in the outer-most shell of an atom
- The substances that are formed in a chemical reaction
- An atom that has gained or lost electrons
- Negatively charged particle in an atom
- Elements that sit between the metals and non-metals
Down
- The substances that combine in a chemical reaction
- When an atom _______ electrons it becomes positively charged
- The type of bond formed between a metal and non-metal
- Positively charged particle in an atom
- The atomic particle with a neutral charge
- The large group of metals in the middle of the Periodic Table
- Pure substances in the Periodic Table
- The gasses in Group 8
- The smallest particle of matter
- Elements are positioned on the Periodic Table in order of Atomic _______
- Increases down Groups but decreases across Periods
21 Clues: The gasses in Group 8 • The smallest particle of matter • When two or more atoms bond together • When two or more different atoms bond • Pure substances in the Periodic Table • Positively charged particle in an atom • Negatively charged particle in an atom • The atomic particle with a neutral charge • An atom that has gained or lost electrons • ...
Chemistry Bonus crossword 2024-04-24
Across
- all the noble gases (except for helium) have 8 of them
- an equation for finding out how much mass/moles of an element it takes for a reaction to occur
- the most reactive nonmetal
- the only metal that's insoluble when reacting with acetate
- melting and boiling
- phosphorus the least reactive nonmetal
- a nonmetal that is soluble no matter what it bonds to
- the gas law where volume is constant
- the gas law where pressure is constant
- when two nonmetals bond
Down
- the group on the periodic table of elements with 7 valence electrons
- a property of metals
- a type of reaction that usually ends with C02 and H20
- the most reactive metal
- freezing and condensation
- the heat required to raise the temperature of the unit mass of a given substance by a given amount.
- the gas law where temperature is constant
- the only metal that's liquid at room temperature
- the least reactive metal
- when a metal and a nonmetal bond
20 Clues: melting and boiling • a property of metals • the most reactive metal • when two nonmetals bond • the least reactive metal • freezing and condensation • the most reactive nonmetal • when a metal and a nonmetal bond • the gas law where volume is constant • phosphorus the least reactive nonmetal • the gas law where pressure is constant • the gas law where temperature is constant • ...
Chemistry Study Guide 2024-06-12
Across
- n=1 is the ___ energy shell
- in a(n) ___, each substance maintains its own properties and composition
- atoms are made up of three ___ ___; electrons, protons and neutrons
- the base unit of measurement for temperature
- ___ properties depend on sample size, ex: shape, volume, mass
- electrons ___ energy when they decay and fall to more stable units
- the closeness of a measurement to the true value
- matter composed of two or more elements that can be separated
- the oxidation ___ increases when an element loses electrons
- a chemical property defined by a substance's ability to harm an organism
- two or more atoms covalently bonded
- ___ forces: the attraction between molecules
- a chemical property defined by the readiness of a chemical to change
- when naming compounds, a(n) ___ is used to represent the subscript of an element in a covalent bond
- a chemical property defined by how much heat is given off when a substance burns
- the electron geometry of a compound with one or two domains
- the ___ represents where electrons could be within an atom
- the result of a permanent dipole
- different substances are chemically ___ in compounds but not in mixtures
- the ___ agent is reduced in a redox reaction
- ___-___ forces: attraction between polar molecules/ permanent dipole
- ___-___ forces: attraction between an ion and a polar molecule
- ___ dipole: when electrons are temporarily more concentrated in one place
- observable events or occurrences
- anything that has mass or takes up space
- the ___ agent is oxidized in a redox reaction
- the only chemical reaction that cannot be redox
- a type of nuclear reaction where two nuclei are combined
- ___ bonds don't belong to any one location
- the base unit of measurement for time
- ___ molecule: composed of only two atoms covalently bonded
- ___ ___ forces: temporary attraction between nonpolar molecules or noble gas
- an ion made of more than one nonmetal but with only one type of charge (ends in -ite or -ate)
- the U.S. ___ System is used by the United States and two other countries
- a type of nuclear reaction where a nucleus is split
- measures the force of gravity on an object
- bonding between H and N, O or F
- metals that contain one kind of cation
- a molecule will have a permanent dipole if the molecular arrangement is ___
- it consists of one single element or type of compound
- electrons ___ energy when they are energized and jump to higher orbits
- ___ forces: the attraction between atoms
- when an element gains electrons in a redox reaction
- ___ properties don't depend on sample size, ex: magnetism, melting points, density
- the ___ System of Units is the primary system used by scientists and includes the 7 base units of measurement
- ___ change: matter moving into different phases without the matter itself changing
- the ___ System is based to the power of 10
Down
- the electron geometry of a compound with four domains
- the base unit of measurement for mass/weight
- a gas changing to a solid
- in a heterogeneous mixture, compounds are mixed ___ within the substance
- a(n) ___ bond is between a metal (cation) and a nonmetal (anion)
- Alkali metals are extremely ___
- the molecular shape of a compound with three bonded atoms and 1 lone electron pair
- a solid changing to a gas
- when an element loses electrons in a redox reaction
- every atom is described by four ___ ___
- the result of an instantaneous or induced dipole
- ___ change: when the molecular structure of a substance is changed
- a model of an atom that can determine the polarity of a molecule
- a substance that cannot be broken down
- a(n) ___ bond is between two nonmetals
- a separation of positive and negative charges
- two different elements ionically bonded (ends in -ide)
- measures the amount of matter an object has
- ___ science investigates and explains natural phenomena
- a chemical property defined by the irreversible damage of a material due to a chemical reaction
- ___ reactions produce energy by changing elements' identities
- a basic particle representing a quantum of energy (E)
- ___ radiation: a form of light that that moves in a wavelike motion
- ___ dipole: a polar molecule repels an atom's or nonpolar molecule's electrons
- l represents the ___ ___ quantum number
- a(n) ___ reaction involves the transfer of electrons
- a chemical property defined by the ability of a compound to be broken down into elements or other compounds
- the molecular shape of a compound with two bonded atoms and two lone electron pairs
- ___ observations are verified by experimentation or experience rather than theory
- carbon-14 is a(n) ___ of carbon
- ice floats in water because ice is less ___ than water
- fission is ___ powerful than fusion
- ___ forces: the weakest of all molecular interactions (A.K.A Van der Waal's Forces)
- the the tendency of an atom to attract electrons
- the consistency of a set of measurements
- the electron geometry of a compound with three domains
- ___ dipole: occurs when two atoms in a molecule have vary different electronegativities. One atom attracts electrons more than another, becoming more -, while the other atom becomes more +
- measures the amount of space and object occupies, ex: gallons, fluid ounces, liters
- the net charge within a molecule
- the base unit of measurement for length
- a chemical property defined by how easily a substance can light on fire
- in a homogeneous mixture, compounds are mixed ___ within the substance
- mass is not affected by ___, but weight is
- the base unit of measurement for volume
91 Clues: a gas changing to a solid • a solid changing to a gas • n=1 is the ___ energy shell • Alkali metals are extremely ___ • carbon-14 is a(n) ___ of carbon • bonding between H and N, O or F • the result of a permanent dipole • observable events or occurrences • the net charge within a molecule • two or more atoms covalently bonded • fission is ___ powerful than fusion • ...
Chemistry FINAL Crossword 2024-06-07
Across
- when the 3-D structure of a proton breaks down due to heat or pH
- the amount of matter in an object
- able to dissolve other substances
- known for his law of gases
- a dissolved substance
- solution that dissolves in water to form solution that conducts electric current
- where acid & base concentration is determined by measuring how much acid & base is required to neutralize it
- solid solution containing 2 or more metals
- reaction by absorbing heat
- of the same kind or similar in nature
- has a pH less than 7
Down
- the point where a solution can dissolve no more
- reaction be release of heat
- relating to or denoting chemical bonds formed by the sharing of electrons between atoms.
- substance consisting of particles substantially larger than atoms or ordinary molecules
- 2 substances that mix to form a homogeneous mixture
- total moles in a solute per liter of solution
- a state in which opposing forces or influences are balanced
- unit of measurement that contains 6.02x1023
- number of digits in value
20 Clues: has a pH less than 7 • a dissolved substance • number of digits in value • known for his law of gases • reaction by absorbing heat • reaction be release of heat • the amount of matter in an object • able to dissolve other substances • of the same kind or similar in nature • solid solution containing 2 or more metals • unit of measurement that contains 6.02x1023 • ...
Chemistry Unit 8 2024-06-07
Across
- Distribution of electrical charge among the atoms connected by a chemical bond
- Insoluble solid that emerges from a liquid solution
- Composition is not uniform throughout the mixture
- An example would be water
- the particles in a colloid scatter the beams of light that are directed at them
- Solution process with water as a solvent
- The number of moles of solute in one liter of solution
- When the particles in a solvent settle out unless constantly being stirred
- Amount of substance to create a saturated solution at a specific temp, amount of solvent
- An example would be a rock
Down
- liquids that aren't soluble in each other
- Composition is uniform throughout the mixture
- On the line
- Capable of being dissolved
- A homogeneous mixture that has two or more substances in one phase
- opposite of concentrated
- the measure of the amount of solute in a amount of solvent or solution
- A separation of ions that occurs when a ionic compound dissolves
- An example would be air
- Intermediate size particles
- Process of molecules surround and interact with solute ions or molecules
21 Clues: On the line • An example would be air • opposite of concentrated • An example would be water • Capable of being dissolved • An example would be a rock • Intermediate size particles • Solution process with water as a solvent • liquids that aren't soluble in each other • Composition is uniform throughout the mixture • Composition is not uniform throughout the mixture • ...
ISB 102 Chemistry 2022-04-11
Across
- Ingredient that attracts water and cause water to be held into the skin
- What UV rays penetrates the skin longer and causes collagen breakdown
- Known as a cleansing agent used to remove oil and or dirt
- What is known as a universal solvent
- Oil and oil-soluble substance used to provide a protective coating to the ski
- Anything that occupies space.
- A product that has been formulated with a thickening agent to increase its viscosity
- Smallest complete unit of an element
- Means a product that is less likely to provoke an allergic reaction
- What measurement indicates whether a substance is acidic, neutral or alkaline
- Can’t take or dissolve more of the solute than it already holds at a given temperature
- Product packaged under pressure and blended with a propellant inside a container—usually a can
- Contains a large quantity of the solute compared to the quantity of the solvent
- What is the smallest particle of a compound
- The scientific study of mater and the physical and chemical changes affecting it
- Refers to a product that is likely to clog pores
- What is the liquid part of a solution referred to as
- What is the government authority that is responsible for regulating cosmetics
- Deals with all matter that is now or once was alive.
- What part of an atom has a negative charge
- What part of an atom has a neutral charge
- What part of an atom has a positive charge
- What is chemically created by uniting 2 elements
Down
- Has definite weight and volume, but no shape
- Used to cover (mask) undesirable odors in the product or impart a pleasant smell
- Protects the skin from UVA and UBV rays or sun exposure
- A simple unit of a carbohydrate
- A finely ground mixture of inorganic and organic substances, sifted and mixed until free of coarse particles
- What are used by the body to store energy and play a key role in metabolism
- A mixture of two or more non-mixable substances united w/the help of a binder
- What type of water contains very few minerals
- Term used to describe an ingredient that has an affinity for oil
- The basic unit of matter that cannot be broken down into simpler substances by any chemical reaction
- What is the solid part of a solution referred to as
- Mixture of organic substances and a medicinal agent usually found in a semi-solid form or paste
- Ingredient used to maintain microbiological integrity and quality during manufacturing and to extend product shelf-life
- The study of chemical reactions, such as growth, reproduction and respiration that occur within a living organism
- The promotion and advertising of cosmetics and other products is regulated by
- Ingredients used in skin treatment products in order to bleach areas of hyperpigmentation.
- Has definite weight, volume and shape
- Formed when two or more compounds are blended mechanically rather than chemically
- How are products ingredients listed on the label
- Used to remove excess cleanser, soothe the skin and rebalance skin’s PH
43 Clues: Anything that occupies space. • A simple unit of a carbohydrate • What is known as a universal solvent • Smallest complete unit of an element • Has definite weight, volume and shape • What part of an atom has a neutral charge • What part of an atom has a negative charge • What part of an atom has a positive charge • What is the smallest particle of a compound • ...
Chemistry - Recap (SL) 2024-08-21
Across
- - The electrons in the outermost shell of an atom.
- - Type of bond formed by the sharing of electrons between atoms.
- - The phase transition from solid to gas without passing through the liquid state.
- - A compound that contains water molecules within its crystal structure.
- - The table that organizes elements by their chemical properties.
- - Atoms of the same element with different numbers of neutrons.
- - The energy required to remove one mole of electrons from one mole of gaseous atoms.
- - Type of bond formed by the transfer of electrons.
- - A reaction where an atom gains electrons.
- - The attraction between atoms that allows the formation of chemical substances.
Down
- - The study of the rates of chemical reactions.
- - The SI unit for the amount of substance.
- - A substance that speeds up a chemical reaction without being consumed.
- - The number of particles in one mole of a substance.
- - A subatomic particle with a negative charge.
- - The number of protons in an atom's nucleus.
- - The simplest whole-number ratio of elements in a compound.
- - A subatomic particle with no charge found in the nucleus.
- - A reaction where an atom loses electrons.
- - A type of reaction that absorbs heat from the surroundings.
20 Clues: - The SI unit for the amount of substance. • - A reaction where an atom loses electrons. • - A reaction where an atom gains electrons. • - The number of protons in an atom's nucleus. • - A subatomic particle with a negative charge. • - The study of the rates of chemical reactions. • - The electrons in the outermost shell of an atom. • ...
Chemistry Vocabulary (1) 2024-09-09
Across
- The amount of space something occupies
- Table of Elements A chart of the chemical elements that displays them in horizontal rows in order of increasing atomic number and in vertical columns according to similarity of the chemical properties of their atoms
- Two or more substances that are NOT chemically combined
- The amount of matter in an object
- A group of two or more atoms that bond together
- number The number of protons in the nucleus of an atom. This number is also equal to the number of electrons in an atom
- Anything that has mass and takes up space (it has volume)
- A type of subatomic particle with no charge (they are neutral). They are found in the nucleus of an atom
- A type of subatomic particle with a positive charge. They are found in the nucleus of an atom
- The amount of mass per unit of volume
- The maximum amount of solute that can dissolve in a known quantity of solvent at a certain temperature
Down
- property A characteristic of a substance that may be observed when the substance engaged in a chemical reaction
- A type of subatomic particle with a negative charge. They orbit the nucleus of an atom
- The branch of science that studies the properties of matter and how matter interacts with energy
- mass The sum of protons and neutrons in an atom
- A pure substance that contains two or more substances that are chemically bonded in a fixed ratio
- A pure substance made of only one kind of atom
- A homogeneous mixture of one or more solutes (solids) in a solvent (liquid)
- Each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons
- property A characteristic of matter that can be observed without any change to the chemical identity of the sample
- The building blocks of matter. They are made up of protons, neutrons, and electrons
- An atom or molecule with a net electric charge due to the loss or gain of one or more electron
22 Clues: The amount of matter in an object • The amount of mass per unit of volume • The amount of space something occupies • A pure substance made of only one kind of atom • mass The sum of protons and neutrons in an atom • A group of two or more atoms that bond together • Two or more substances that are NOT chemically combined • ...
Chemistry Comes Alive 2024-09-11
Across
- – anything that occupies space and has a mass. (pg. 24)
- globular proteins that act as biological catalysts (pg.51)
- structural units of nucleic acids (pg. 53)
- – the type of energy that results from the movement of charged particles. (pg.24)
- regions around the nucleus in which a given electron or electron pair is likely to be found. (pg.26)
- homogeneous mixtures of components that may be gases, liquids, or solids(pg.29)
- the process when atoms or molecules form a larger, more complex molecule (pg.36)
- a substance that releases hydrogen ions in detectable amounts. (pg.39)
- this type of energy is stored in the bonds of chemical substances (pg.24)
- Substance composed of two or more component physically intermixed (pg. 29)
- a group of molecules that contain sugars and starches. (pg. 43)
- - a common waste product of protein breakdown in the body (pg.40)
- - the study of the chemical composition and reactions of living matter (pg.38)
- sum of the atomic weights of the elements or compound (pg.29)
- the products of energy-absorbing in a reaction (pg.37)
- modified triglycerides. (pg.47)
- The tendency of an atom in a molecule to attract the shared pair of electrons towards itself. (pg.34)
- chemical bond that involves the sharing of electrons to form electron pairs between atoms (pg.32)
- atoms with the same number of protons but differing numbers of neutrons.(pg.27)
- – energy in motion (pg. 24)
- -Radioactive isotopes of an element is called a (pg.28)
- chemical systems that regulate homeostasis of acid base balance. (pg.41)
- an electrically neutral chemical compound consisting of cations and anions connected by an ionic bond (pg. 39)
- the substance present on the greatest amount (pg. 29)
- – the center of an atom containing protons and neutrons (pg.25)
Down
- energy directly involved in moving matter (pg.24)
- a single chain structure containing 3-7 carbon atoms. (pg.43)
- polymers of simple sugars linked together by dehydration synthesis
- – the ability to put matter into motion. (pg. 24)
- the substance present in the smallest amount (pg.29)
- a chemical bond between atoms formed by the transfer of one or more electrons from one atom to the other is (pg.32)
- a translucent mixture of tiny particles dispersed in another medium (pg.30)
- The substance on which an enzyme act (pg.52)
- The time required for a radioisotope to lose one-half of its activity (pg.28)
- a substance that increases the rate of reaction, but can be recovered, unchanged at the end
- the storage carbohydrate formed by plants (pg.43)
- Solution concentrations are typically designated in terms of percent or (pg.40)
- the type of reaction when energy is released (pg.37)
- – the process of atomic decay (pg. 28)
- two or more atoms held together by a chemical bond (pg. 28)
- proton acceptors; they take up hydrogen ions in detectable amounts. (pg. 39)
- when two or more atoms of the same element are chemically bind together, they form a (pg.28)
- - large arrays of cations and anions held together by ionic bonds(pg.32)
- formed when two monosaccharides are joined by dehydration synthesis (pg.43)
- substances that conduct an electrical current in solution (pg. 39)
- stored energy (pg. 24)
- chainlike molecules made of many similar units (monomers), joined together by dehydration synthesis (pg.42)
- unique substances that cannot be broken down into simpler substances by ordinary chemical methods. (pg.25)
- heterogenous mixtures with large visible solutes that tend to mix out (pg.30)
- - an atom’s outermost energy level (pg.31)
- the storage carbohydrate of animal tissues (pg.43)
51 Clues: stored energy (pg. 24) • – energy in motion (pg. 24) • modified triglycerides. (pg.47) • – the process of atomic decay (pg. 28) • structural units of nucleic acids (pg. 53) • - an atom’s outermost energy level (pg.31) • The substance on which an enzyme act (pg.52) • energy directly involved in moving matter (pg.24) • – the ability to put matter into motion. (pg. 24) • ...
Chemistry Basic Concepts 2024-09-15
Across
- Value of the Avogadro’s number now compared to the era of O-16 scale
- What happens to Oxygen gas on reacting with Fluorine gas
- Oxidation state of Phosphorous in Phosphorous trioxide
- Millilitres of 0.1 N NaOH for neutralizing 10 mL of Oxalic acid solution having 6.3 g of dihydrate in 250 mL
- Number of the different oxidation states of Sulphur in Disulphurous acid
- Final molarity when solvent from 500 mL of 1M solution vaporises till volume becomes 100 mL
- The concentration unit independent of the temperature of the solution
- How many litres of blood has 2.5 milli moles of glucose if glucose concentration is 0.9 g/L
- Mass of thiosulphate ion in gram produced when 2.85 moles of Sulphur disproportionate in alkali
- The number of milli equivalents in 1 mL of 1 M KCN when converted to dioxides of Carbon and Nitrogen
- Number of milli equivalents in 5.5 milli moles of Manganese Sulphate converted to Manganese di oxide
- Moles of Plumbic oxide consumed by 4 moles of Manganese ion converting to Permanganate
Down
- Term for the reaction of Chlorine with hot concentrated alkali
- How does the mass of a sample of Blue Vitriol noted by ordinary Chemical Balance using aluminium weights compare with the actual value
- Oxidation state of Fe in the brown ring complex
- Milli Moles of precipitate formed when 30 milli moles of Barium Chloride reacts with 12 milli moles of Sodium Phosphate
- Moles of acidified Potassium Permanganate for oxidation of ten moles of Sulphite ion
- The maximum volume of 2 M Altrose solution possible using 9 litres of 1 M and 7 litres of 5M solutions
- Oxidation state of carbon in Formaldehyde
- The atomicity of Sulphur vapour if its relative density with respect to CO is 9.14
20 Clues: Oxidation state of carbon in Formaldehyde • Oxidation state of Fe in the brown ring complex • Oxidation state of Phosphorous in Phosphorous trioxide • What happens to Oxygen gas on reacting with Fluorine gas • Term for the reaction of Chlorine with hot concentrated alkali • Value of the Avogadro’s number now compared to the era of O-16 scale • ...
Konstantinos Chemistry Vocab 2024-05-06
Across
- two or more atoms held together by bonds
- man made
- ability of a material to let heat or electricity flow through them
- vertical column on Periodic Table
- ability to react chemically with others elements
- number Infront of a chemical formula
- horizontal row on Periodic Table
- ability of substances to be turned into thin sheets
- particle with a positive charge
- characteristic of a substance that cannot be observed without changing the identity of the substance
- attraction between two opposite poles
Down
- substance that is doing the dissolving
- particle with a neutral charge
- simple substances
- temperature a substance has to be to change from liquid to solid
- total number of protons and neutrons
- particle with a negative charge
- ability to dissolve into another substance
- temperature that is needed to turn a substance from a solid to liquid
- smallest particle of an element
- element in the first group the the periodic table
21 Clues: man made • simple substances • particle with a neutral charge • particle with a negative charge • smallest particle of an element • particle with a positive charge • horizontal row on Periodic Table • vertical column on Periodic Table • total number of protons and neutrons • number Infront of a chemical formula • attraction between two opposite poles • ...
Chemistry of Life 2024-08-19
Across
- a special type of protein that changes the rate of a chemical reaction
- a pure substance that cannot be broken down into other substances; building blocks of all matter
- deoxyribonucleic acid, it is the carrier of genetic information.
- a complex carbohydrate made up of smaller carbohydrates called monosaccharides
- the basic subunit, building block, or monomer of a nucleic acid
- a molecule that is made of many bonded subunits (monomers)
- a large, complex polymer composed of carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur
- a molecule that is made of many bonded subunits called nucleotides
- ribonucleic acid; a nucleic acid that plays an important role in the production of proteins
- a substance that increases the speed of a chemical reaction without being consumed in the process
- a lipid that contains phosphorus and is a structural component in cell membranes
- a self-regulating process that allows organisms to maintain stability and adjust to conditions that are best for survival.
Down
- all of the chemical reactions that occur within an organism
- the simplest forms of sugar and the building block or monomer from which all carbohydrates are built
- small subunit of a molecule that bond to form larger molecules
- a chain of amino acids that are linked together by peptide bonds
- monosaccharide that is the main source of energy for living organisms.
- a large biomolecule made mostly of carbon and hydrogen with a small amount of oxygen
- a solution that forms H+ ions in water, pH is less than 7
- the basic building block or monomer of protein
- a solution that forms OH- ions in water; PH greater than 7
- a biomolecule composed of carbon, hydrogen, and oxygen
- a polysaccharide that is the main structural component of plant cell walls
- a covalent bond formed between the amino acids of proteins
- measure of how acidic or basic a substance is
25 Clues: measure of how acidic or basic a substance is • the basic building block or monomer of protein • a biomolecule composed of carbon, hydrogen, and oxygen • a solution that forms H+ ions in water, pH is less than 7 • a molecule that is made of many bonded subunits (monomers) • a solution that forms OH- ions in water; PH greater than 7 • ...
Chemistry comes alive 2024-09-10
Across
- a group of molecules that contain sugars and starches. (pg. 43)
- – the process of atomic decay (pg. 28)
- - a common waste product of protein breakdown in the body (pg.40)
- - large arrays of cations and anions held together by ionic bonds(pg.32)
- when two or more atoms of the same element are chemically bind together, they form a_____ (pg.28)
- The tendency of an atom in a molecule to attract the shared pair of electrons towards itself. (pg.34)
- – energy in motion (pg. 24)
- The substance on which an enzyme act (pg.52)
- the type of reaction when energy is released (pg.37)
- – the type of energy that results from the movement of charged particles. (pg.24)
- A combination of two or more atoms held together by a chemical bond (pg. 28)
- chemical systems that regulate homeostasis of acid base balance. (pg.41)
- the substance present on the greatest amount (pg. 29)
- the storage carbohydrate of animal tissues (pg.43)
- a substance that increases the rate of reaction, but can be recovered, unchanged at the end
- – the ability to put matter into motion. (pg. 24)
- a translucent mixture of tiny particles dispersed in another medium (pg.30)
- modified triglycerides. (pg.47)
- a single chain structure containing 3-7 carbon atoms. (pg.43)
- unique substances that cannot be broken down into simpler substances by ordinary chemical methods. (pg.25)
- – the center of an atom containing protons and neutrons (pg.25)
- the products of energy-absorbing in a reaction (pg.37)
- a chemical bond between atoms formed by the transfer of one or more electrons from one atom to the other is (pg.32)
- this type of energy is stored in the bonds of chemical substances (pg.24)
- the process when atoms or molecules form a larger, more complex molecule (pg.36)
- heterogenous mixtures with large visible solutes that tend to mix out (pg.30)
Down
- stored energy (pg. 24)
- with the same number of protons but differing numbers of neutrons.(pg.27)
- - chainlike molecules made of many similar units (monomers), joined together by dehydration synthesis (pg.42)
- The time required for a radioisotope to lose one-half of its activity (pg.28) - 2 words
- Solution concentrations are typically designated in terms of percent or (pg.40)
- – anything that occupies space and has a mass. (pg. 24)
- sum of the atomic weights of the elements or compound (pg.29)
- -Radioactive isotopes of an element is called a (pg.28)
- structural units of nucleic acids (pg. 53)
- - the study of the chemical composition and reactions of living matter (pg.38)
- - an atom’s outermost energy level (pg.31)
- the substance present in the smallest amount (pg.29)
- - proton acceptors; they take up hydrogen ions in detectable amounts. (pg. 39)
- the storage carbohydrate formed by plants (pg.43)
- homogeneous mixtures of components that may be gases, liquids, or solids(pg.29)
- a substance that releases hydrogen ions in detectable amounts. (pg.39)
- proteins that act as biological catalysts (pg.51)
- formed when two monosaccharides are joined by dehydration synthesis (pg.43)
- energy directly involved in moving matter (pg.24)
- - polymers of simple sugars linked together by dehydration synthesis
- Substance composed of two or more component physically intermixed (pg. 29)
- substances that conduct an electrical current in solution (pg. 39)
- regions around the nucleus in which a given electron or electron pair is likely to be found. (pg.26)
- a salt is an electrically neutral chemical compound consisting of cations and anions connected by an ionic bond (pg. 39)
50 Clues: stored energy (pg. 24) • – energy in motion (pg. 24) • modified triglycerides. (pg.47) • – the process of atomic decay (pg. 28) • structural units of nucleic acids (pg. 53) • - an atom’s outermost energy level (pg.31) • The substance on which an enzyme act (pg.52) • the storage carbohydrate formed by plants (pg.43) • – the ability to put matter into motion. (pg. 24) • ...
Chemistry comes alive 2024-09-10
Across
- the storage carbohydrate formed by plants (pg.43)
- the substance present on the greatest amount (pg. 29)
- stored energy (pg. 24)
- homogeneous mixtures of components that may be gases, liquids, or solids(pg.29)
- - the study of the chemical composition and reactions of living matter (pg.38)
- chemical bond that involves the sharing of electrons to form electron pairs between atoms (pg.32)
- - proton acceptors; they take up hydrogen ions in detectable amounts. (pg. 39)
- a substance that increases the rate of reaction, but can be recovered, unchanged at the end
- A combination of two or more atoms held together by a chemical bond (pg. 28)
- regions around the nucleus in which a given electron or electron pair is likely to be found. (pg.26)
- the substance present in the smallest amount (pg.29)
- a chemical bond between atoms formed by the transfer of one or more electrons from one atom to the other is (pg.32)
- The tendency of an atom in a molecule to attract the shared pair of electrons towards itself. (pg.34)
- sum of the atomic weights of the elements or compound (pg.29)
- when two or more atoms of the same element are chemically bind together, they form a_____ (pg.28)
- - chainlike molecules made of many similar units (monomers), joined together by dehydration synthesis (pg.42)
- a salt is an electrically neutral chemical compound consisting of cations and anions connected by an ionic bond (pg. 39)
- – the ability to put matter into motion. (pg. 24)
- this type of energy is stored in the bonds of chemical substances (pg.24)
- a group of molecules that contain sugars and starches. (pg. 43)
- unique substances that cannot be broken down into simpler substances by ordinary chemical methods. (pg.25)
- – energy in motion (pg. 24)
- a single chain structure containing 3-7 carbon atoms. (pg.43)
- modified triglycerides. (pg.47)
- substances that conduct an electrical current in solution (pg. 39)
- the type of reaction when energy is released (pg.37)
Down
- – the process of atomic decay (pg. 28)
- heterogenous mixtures with large visible solutes that tend to mix out (pg.30)
- - large arrays of cations and anions held together by ionic bonds(pg.32)
- - polymers of simple sugars linked together by dehydration synthesis
- The substance on which an enzyme act (pg.52)
- The time required for a radioisotope to lose one-half of its activity (pg.28) - 2 words
- the process when atoms or molecules form a larger, more complex molecule (pg.36)
- - a common waste product of protein breakdown in the body (pg.40)
- a substance that releases hydrogen ions in detectable amounts. (pg.39)
- -Radioactive isotopes of an element is called a (pg.28)
- chemical systems that regulate homeostasis of acid base balance. (pg.41)
- with the same number of protons but differing numbers of neutrons.(pg.27)
- structural units of nucleic acids (pg. 53)
- energy directly involved in moving matter (pg.24)
- proteins that act as biological catalysts (pg.51)
- – the type of energy that results from the movement of charged particles. (pg.24)
- Substance composed of two or more component physically intermixed (pg. 29)
- a translucent mixture of tiny particles dispersed in another medium (pg.30)
- the products of energy-absorbing in a reaction (pg.37)
- Solution concentrations are typically designated in terms of percent or (pg.40)
- formed when two monosaccharides are joined by dehydration synthesis (pg.43)
- – the center of an atom containing protons and neutrons (pg.25)
- the storage carbohydrate of animal tissues (pg.43)
- – anything that occupies space and has a mass. (pg. 24)
- - an atom’s outermost energy level (pg.31)
51 Clues: stored energy (pg. 24) • – energy in motion (pg. 24) • modified triglycerides. (pg.47) • – the process of atomic decay (pg. 28) • structural units of nucleic acids (pg. 53) • - an atom’s outermost energy level (pg.31) • The substance on which an enzyme act (pg.52) • the storage carbohydrate formed by plants (pg.43) • energy directly involved in moving matter (pg.24) • ...
Basic Chemistry Vocabulary 2024-10-23
Across
- Subatomic particle, neutral
- Subatomic particle, atomic number, positively charged
- Horizontal rows of the periodic table
- Group 18: Nonreactive gases
- Anything that takes up space and has a mass
- State of matter no definite volume or shape
- Forming a skin or film due to cohesion
- Substance dissolved into another in a solution
- Center or core of an atom
- Mixture looking the same throughout
Down
- Attractive force between molecules (ex. Water)
- Mixture looking different throughout
- Smallest unit of matter
- Protons + Neutrons
- Subatomic particle, negatively charged
- Cannot be broken down into any other substances
- State of matter a definite volume but no shape
- Vertical columns of the periodic table
- Orderly arrangement of elements based on chemical properties and reactivity
- State of matter definite shape and volume
- Element 1: The most reactive element with 0 neutrons
- Liquid portion of a solution (does the dissolving)
22 Clues: Protons + Neutrons • Smallest unit of matter • Center or core of an atom • Subatomic particle, neutral • Group 18: Nonreactive gases • Mixture looking the same throughout • Mixture looking different throughout • Horizontal rows of the periodic table • Subatomic particle, negatively charged • Vertical columns of the periodic table • Forming a skin or film due to cohesion • ...
chemistry of life 2024-10-15
Across
- a non toxic sweet tasting and viscous fluid
- a polysaccharide that is made up of a chain of glucose molecules joined together in covalent bonds
- basic building blocks of nucleic acids
- a chemical your body produces when your cells break down carbohydrates for energy
- any external solution that has the same solute concentration and water concentration
- the movement of molecules or ions across a cell membrane
- the process which a phagocyte surrounds and destroys foreign substances and remove dead cells
- the movement of water molecules from a solution with high to low concentration of water molecules
- compound lipids consisting of phospholic acids nitrogen base alochol and fatty acids
- chemical substances required by the body to sustain basic functions and are optimally obtained by eating
Down
- an oragnic compound such as sugar or starch and is used to store energy
- an extensively branched glucose polymer that animals use as an energy reserve
- a process by which the cell takes in the fluids along with dissolved small molecules
- a water insoluble polysaccharide made up of thousands of glucose molecules
- the building blocks of the fat in our bodies and in the food we eat
- any self regulating process by which biological systems tend to maintain stability
- the natural movement of particles from an area of higher concentration to area of lower concentration
- a type of membrane transport that does not require energy to move substances
- any external solution that has a high solute concentration and low water concentration
- a chemical process that occurs in plants algae and some types of bacteria where exposed to sunlight
20 Clues: basic building blocks of nucleic acids • a non toxic sweet tasting and viscous fluid • the movement of molecules or ions across a cell membrane • the building blocks of the fat in our bodies and in the food we eat • an oragnic compound such as sugar or starch and is used to store energy • a water insoluble polysaccharide made up of thousands of glucose molecules • ...
Chemistry Crossword Puzzle 2024-09-27
Across
- includes helium, krypton, neon, and more
- distance between wave crests
- the letter representation of an element
- the smallest part of an element
- type of charged particle
- lowest amount of frequency
- highest amount of frequency
- type or structure that deals with the valence electrons
- horizontal row on the periodic table
- positively charged particle
- positively charged item of the nucleus
- type of diagram that has up and down arrows
- number of waves that pass a certain point per unit of time
- chemical substance that cannot be broken down
Down
- theory that all substances are composed of atoms
- number of protons in the nucleus of an atom
- where protons and neutrons stay
- the whole arrangement of elements
- same protons different neutrons
- outer layer of electrons
- negatively charged particle
- negatively charged item in a nucleus
- vertical row on the periodic table
- total number of protons and neutrons in the nucleus of an atom
- neutral charge in a nucleus
25 Clues: outer layer of electrons • type of charged particle • lowest amount of frequency • negatively charged particle • highest amount of frequency • positively charged particle • neutral charge in a nucleus • distance between wave crests • where protons and neutrons stay • same protons different neutrons • the smallest part of an element • the whole arrangement of elements • ...
Chemistry extra credit 2025-01-28
Across
- A chemical reaction in which a substance loses electrons.
- A measure of the acidity or alkalinity of a solution.
- A chemical reaction in which a substance gains electrons.
- A mixture in which one substance dissolves in another.
- A particle with no charge, found in the nucleus of an atom.
- A combination of two or more substances that are not chemically bonded.
- A vertical column in the periodic table, containing elements with similar properties.
- A substance made of two or more different types of atoms bonded together.
- A substance that undergoes a chemical reaction.
- A substance that is dissolved in a solvent to form a solution.
- A substance that speeds up a chemical reaction without being consumed in the process.
- A substance made of only one type of atom.
- A positively charged particle found in the nucleus of an atom.
- Atoms of the same element that have different numbers of neutrons.
Down
- The process of a liquid turning into a gas at the surface.
- A substance produced as a result of a chemical reaction.
- Two or more atoms bonded together.
- A reaction that absorbs heat from its surroundings.
- A principle that mass is neither created nor destroyed in a chemical reaction.
- An atom or molecule with a charge, either positive (cation) or negative (anion).
- The process of a gas turning into a liquid.
- A solution that is neither acidic nor basic, with a pH of 7.
- A substance that accepts hydrogen ions (H⁺) or releases hydroxide ions (OH⁻) in solution.
- The smallest unit of matter, made up of protons, neutrons, and electrons.
- The force that holds atoms together in a molecule or compound.
- A horizontal row in the periodic table of elements.
- A reaction that releases heat into its surroundings.
- A negatively charged particle that orbits the nucleus of an atom.
- A substance that releases hydrogen ions (H⁺) in solution.
29 Clues: Two or more atoms bonded together. • A substance made of only one type of atom. • The process of a gas turning into a liquid. • A substance that undergoes a chemical reaction. • A reaction that absorbs heat from its surroundings. • A horizontal row in the periodic table of elements. • A reaction that releases heat into its surroundings. • ...
Lessons in Chemistry 2025-02-14
Across
- One of the girls?
- Fruity name
- First date ever
- What you are to _
- Anniversary month
- Loyal fan
- We have to take turns to
- Best coffee or bird?
- Childhood YouTuber
- Much appreciated
Down
- Your eyes in the summer
- The hall pass
- Our first connection
- Presidential school?
- I hate, you love
- _ Alex
- A Rising Steam name?
- A term of endearment
- Said before the first bite
- Your eyes in the winter
- Our song
- _ To tango, or the game we never finished
- Our dinner spot
23 Clues: _ Alex • Our song • Loyal fan • Fruity name • The hall pass • First date ever • Our dinner spot • I hate, you love • Much appreciated • One of the girls? • What you are to _ • Anniversary month • Childhood YouTuber • Our first connection • Presidential school? • A Rising Steam name? • A term of endearment • Best coffee or bird? • Your eyes in the summer • Your eyes in the winter • We have to take turns to • ...
CHEMISTRY CROSSWORD PUZZLE 2024-11-14
Across
- is the smallest component of an element that retains all of the chemical properties of that element.
- a long chain of monosaccharides linked by covalent bonds.
- readily absorb excess H+ or OH–, keeping the pH of the body carefully maintained in the aforementioned narrow range.
- can form four covalent bonds to create an organic molecule.
- positive ions are formed by losing electrons.
- found in fruit.
- a reaction in which the removal of a water molecule occurs.
- reside in the nucleus of an atom.
- is a negatively charged particle that travels in the space around the nucleus.
- occupies space and has mass
Down
- part of lactose, or milk sugar.
- are simple sugars, the most common of which is glucose.
- also called biological.
- large molecules necessary for life that are built from smaller organic molecules.
- are those substances that readily donate OH–.
- Another type of strong chemical bond between two or more atoms.
- are biomolecules with which most consumers are somewhat familiar.
- are substances that provide hydrogen ions (H+) and lower pH, whereas bases provide hydroxide ions (OH–) and raise pH.
- is the storage form of glucose in humans and other vertebrates, and is made up of monomers of glucose
- is the stored form of sugars in plants and is made up of amylose and amylopectin.
20 Clues: found in fruit. • also called biological. • occupies space and has mass • part of lactose, or milk sugar. • reside in the nucleus of an atom. • are those substances that readily donate OH–. • positive ions are formed by losing electrons. • are simple sugars, the most common of which is glucose. • a long chain of monosaccharides linked by covalent bonds. • ...
Chemistry Crossword Project 2024-11-20
Across
- The measure of average kinetic energy of particles in a sample
- combination of two or more substances that do not chemically react with each other
- A negatively charged ion
- a state of matter characterized by particles that are packed closely together
- No charge, and located in the Nucleus
- Weighted average of all naturally occurring isotopes
- Unit of Temperature
- Gas turns into water
- Solid Turns into gas
- The furthest electron from the nucleus
Down
- Center of the atom
- temperature at which its vapor pressure is equal to the pressure of its surrounding environment
- Weakest type of intermolecular force
- Water turns to gas
- the smallest unit of matter
- an ion, or charged particle, with a positive charge
- Anther name for protons
- a substance formed by the chemical union of two or more different chemical elements
- Have the same number of protons and different number of neutrons
- C = Q / (m × ΔT)
20 Clues: C = Q / (m × ΔT) • Center of the atom • Water turns to gas • Unit of Temperature • Gas turns into water • Solid Turns into gas • Anther name for protons • A negatively charged ion • the smallest unit of matter • Weakest type of intermolecular force • No charge, and located in the Nucleus • The furthest electron from the nucleus • an ion, or charged particle, with a positive charge • ...
Chemistry Crossword 2 2024-11-20
Across
- hydrocarbon with hydroxyl group (-OH)
- compounds with the same formula, different structure
- hydrocarbon with a triple bond(s)
- hydrocarbon has double or triple bonds; can hold more hydrogen
- spontaneous mixing in open space
- caused by collisions of particles on container walls
- compound with carbon and hydrogen only
- hydrocarbon with all single bonds
- in an experiment, variable changed on purpose
Down
- in an experiment, same for all trials
- representative of the speed of gas particles
- in an experiment, variable measured or observed
- study of carbon containing compounds
- amount of particles in a gas cloud
- amount of space taken up by gas cloud
- hydrocarbon with a double bond(s)
- hydrocarbon with –COOH group
- hydrocarbon has all single bonds; full of hydrogen
- spontaneous escaping through small opening
- in an experiment, comparison group
20 Clues: hydrocarbon with –COOH group • spontaneous mixing in open space • hydrocarbon with a double bond(s) • hydrocarbon with a triple bond(s) • hydrocarbon with all single bonds • amount of particles in a gas cloud • in an experiment, comparison group • study of carbon containing compounds • in an experiment, same for all trials • amount of space taken up by gas cloud • ...
Chemistry of life 2024-11-05
Across
- the process by which plants used chlorophyll to trap sunlight energy and use it to produce carbohydrates
- organisms that use energy to synthesize their own food
- solution the concentration of solutes outside a cell is low
- the raw materials needed for the cell metabolism
- solution outside a cell is equal
- a chain of amino acids held together by peptide bonds
- a form of endocytosis in which liquid droplets are engulfed by cells
- the form of carbohydrates storage in animals
- a permanet change in a protein shape
- artificial lipid vesicles
Down
- the process by which polypeptides are produced at the ribosomes
- the loss of electrons from an atom or molecule
- nutrients made up of a single sugar molecule or many sugar molecules
- acid an organic molecule that is half of a glucose molecule with the molecule formula
- large molecules that are made by joining severals separate units
- the movement of the molecules from an area of higher concentration to an area of lower concentration
- a large carbohydrate molecule used by plants to store energy
- the carbohydrate that forms the cell walls of plant cells
- the addition of one or more phosphate groups to a molecule
- transport involves the use of cell energy to move materials across a cell membrane
- to disrupt amino acid bonds
21 Clues: artificial lipid vesicles • to disrupt amino acid bonds • solution outside a cell is equal • a permanet change in a protein shape • the form of carbohydrates storage in animals • the loss of electrons from an atom or molecule • the raw materials needed for the cell metabolism • a chain of amino acids held together by peptide bonds • ...
Biology and Chemistry 2024-11-10
Across
- Galvenais cilvēka elpošanas sistēmas orgāns.
- Kurš orgāns kontrolē visu pārējo orgānu un sistēmu darbību?
- Molekula, kas pārraida nervu impulsus starp neironiem.
- Vielu grupa, kas paātrina ķīmiskās reakcijas organismā.
- Zinātne, kas pēta mikroskopiskus organismus.
- Galvenais pigments, kas piešķir augiem to zaļo krāsu.
- Kura molekula transportē enerģiju šūnās?
- Kā sauc šūnas dzīves cikla pēdējo posmu?
- Orgāns, kurā zīdītājiem notiek gāzes apmaiņa.
- Galvenais ogļhidrātu sadalīšanās produkts organismā.
- Galvenais elements, kas atrodams kaulos un zobos.
- elements ar atomu skaitu 1.
- Kura molekula ir universāls enerģijas avots visām šūnām?
- Process, kurā ūdens pārvietojas caur daļēji caurlaidīgu membrānu.
Down
- molekulas, kas piešķir ēdienam garšu.
- Elpošanas orgāni zivīs.
- Zinātne par augu uzbūvi, funkcionēšanu un dzīvībai svarīgo darbību.
- Ūdenī atrodams ķīmiskais elements.
- Proteīns, kas transportē skābekli asinīs.
- Kā sauc molekulu sadalīšanas procesu gremošanas sistēmā?
- Vairogdziedzera ražots hormons, kas ietekmē vielmaiņu.
- Elements, kas piešķir rūsai oranžsarkano krāsu.
- dziedzeris Kurš cilvēka orgāns ražo insulīnu?
- Kā sauc procesu, kas notiek augu šūnās un nodrošina tās ar barības vielām?
- Zinātne, kas pēta vielu struktūru, īpašības un reakcijas.
- Kāds process nodrošina iedzimtas informācijas pārraidi?
- Lielākā šūna cilvēka ķermenī.
- Ķīmisks elements, kas ir organisko savienojumu pamatā.
- Molekula, kas satur organisma ģenētisko informāciju.
- smadzenes Galvenais cilvēka hematopoētiskais orgāns.
30 Clues: Elpošanas orgāni zivīs. • elements ar atomu skaitu 1. • Lielākā šūna cilvēka ķermenī. • Ūdenī atrodams ķīmiskais elements. • molekulas, kas piešķir ēdienam garšu. • Kura molekula transportē enerģiju šūnās? • Kā sauc šūnas dzīves cikla pēdējo posmu? • Proteīns, kas transportē skābekli asinīs. • Galvenais cilvēka elpošanas sistēmas orgāns. • ...
Christmas Chemistry Retrieval 2024-12-17
Across
- the name for a liquid that a substance dissolves into
- the day exactly one week after Christmas day
- season in Australia when it is Christmas
- scientist with a big beard and known as the 'father' of the modern Periodic Table
- most reactive element in group 7
- the element found in all acids
- Santa's third reindeer
- a vegetable served with Christmas dinner that is named after the capital of Belgium
- type of solution if the number of days of Christmas were a pH number
- Group 0 element and Superman's home planet
- an element brought by one of the 'Three Wise Men'
- total number of presents given in 12 Days of Christmas Hint: not quite a year in days
- sub-atomic particle with a negative charge
- a process to separate liquids with different boiling points
- sub-atomic particle with a positive charge
Down
- metal element which was found in Argentina (Hint: use periodic table symbols that are close to those in Argentina)
- reaction when a molecule loses oxygen
- a type of calendar usually with twenty-four doors
- an early model of the atom which was similar to a Christmas pudding
- the only metal element which is a liquid at room temperature - also a planet
- in 'OILRIG', what does the 'O' stand for?
- gas formed from burning fossil fuels that causes acid rain
- a column in the Periodic Table
- Scandanavian country that gives a massive Christmas tree to the UK every year as thanks for the help given in Second World War
- another name for the elements found in Group O
- Santa will get covered by this sooty element when he goes down a chimney
- water cooled glass tube which converts gas to liquid in distillation
- number of ghosts that visit Scrooge in 'A Christmas Carol'
- a row in the Periodic Table
- maximum number of electrons that can go in the second or third shell
- another name for Father Christmas
31 Clues: Santa's third reindeer • a row in the Periodic Table • a column in the Periodic Table • the element found in all acids • most reactive element in group 7 • another name for Father Christmas • reaction when a molecule loses oxygen • season in Australia when it is Christmas • in 'OILRIG', what does the 'O' stand for? • Group 0 element and Superman's home planet • ...
Year 9 Chemistry 2024-12-17
Across
- Name of the reaction where a more reactive metal takes the place of a less reactive metal in a compound
- one of the products of a reaction between an acid and an alkali, with water
- Positively charged particle in the nucleus of an atom
- One of the substances present at the start of a reaction
- Has a pH above 7 and tastes bitter
- A reaction that releases heat to the surrounding
- A measure of how much of a substance there is
- What we call oxygen when it binds to a non-oxygen element
- The process in which particles spread out through a liquid or gas
Down
- A substance that increases the rate of a reaction
- Atomic number 1, released when a metal reacts with an acid
- The interaction of 2 or more substances to create a new substance
- Indicator that changes colour based on what pH a substance is
- The name of the reaction that occurs when something burns
- Name of the reaction between an acid and an alkali
- Formed when a metal or alkali reacts with Sulphuric acid
- A metal that will not react with acids or water
- What everything is made of
- Has a pH below 7 and tastes sour
- Where electrons reside
20 Clues: Where electrons reside • What everything is made of • Has a pH below 7 and tastes sour • Has a pH above 7 and tastes bitter • A measure of how much of a substance there is • A metal that will not react with acids or water • A reaction that releases heat to the surrounding • A substance that increases the rate of a reaction • ...
Chemistry Review: Bonding 2025-03-06
Across
- a substance with constant composition that can be broken down into elements by chemical processes
- a positively charged particle in an atomic nucleus
- the total number of protons and neutrons in the atomic nucleus of an atom
- the change of substances into other substances through a reorganization of the atoms; a chemical reaction.
- the material of the universe
- a negatively charged particle that occupies the space around the nucleus of an atom
- atoms of the same element (the same number of protons) that have different numbers of neutrons. They have identical atomic numbers but different mass numbers.
- a change in the form of a substance, but not in its chemical nature; chemical bonds are not broken in a physical change.
- the observation that atoms of nonmetals form the most stable molecules when they are surrounded by eight electrons (to fill their valence orbitals)
- the tendency of an atom in a molecule to attract shared electrons to itself
- elements that have both metallic and non-metallic properties.
- the force that holds two atoms together in a compound
- an element that does not exhibit metallic characteristics. Chemically, a typical nonmetal accepts electrons from a metal.
- the electrons in the outermost occupied principal quantum level of an atom
Down
- the number of protons in the nucleus of an atom; each element has a unique atomic number
- a vertical column of elements having the same valence electron configuration and similar chemical properties.
- the small, dense center of positive charge in an atom
- a chart showing all the elements arranged in columns in such a way that all the elements in a given column exhibit similar chemical properties
- neutral particle contained in the nucleus of the particle, slightly more massive than a proton but has no charge.
- the science that deals with the materials of the universe and the changes that these materials undergo.
- an atom or a group of atoms that has a net positive or negative charge.
- the fundamental unit of which elements are composed
- an element that gives up electrons relatively easily and is typically lustrous, malleable, and a good conductor of heat and electricity.
- a positive ion
- a substance that cannot be decomposed into simpler substances by chemical or physical means. It consists of atoms all having the same atomic number. Graphite- carbon based: material that makes up pencil “lead”
- a bonded collection of two or more atoms of the same element or different elements
- a negative ion
27 Clues: a positive ion • a negative ion • the material of the universe • a positively charged particle in an atomic nucleus • the fundamental unit of which elements are composed • the small, dense center of positive charge in an atom • the force that holds two atoms together in a compound • elements that have both metallic and non-metallic properties. • ...
General Chemistry 2 2025-02-23
Across
- Is the transfer of thermal energy between two bodies that are a different temperatures and is not equal to thermal energy.
- Occur from an ordered state to a more random arrangement
- Is a mathematical expression that show how the rate of reaction depends on the concentration of the reactants
- Is a thermodynamic term used to refer to the maximum work available for a process until the system comes into equilibrium with its surroundings
- Speed up the rate o a chemical reaction by providing an alternate route for the reaction to occur with lower activation energy
- Explains why different reactions occur at different rates and suggests ways to change the rate of reaction
- Are solid featuring highly ordered arrangement of their particles
- Is of the same phase as that of the reactants products
- Is the study of energy or heat flow that accompanies a chemical reaction and/or physical transformation.
- Equation A chemical equation that shows the value and direction of heat involved in reactions
- Measures the flow of energy (as heat) between the system and its surroundings
- Uses a catalyst that is of different phase that of the reactants and products
Down
- The scientific study of the interaction of heat and other types of energy
- Is the difference between the energy of the transition state and the energy of the reactants
- Are solidsin which the particle are not arrange in any specific order
- A process called seeding
- Are particles that ionize in a solutions
- Has an appreciable effect on the solubility of gas-liquid solutions, but has no affect on the solubility of solid salts to water
- Only tells wether a reaction will occur or not.
- Is a process though which a solvent flows though a semipermeable membrane
- Is an insulator apparatus that contains water or any liquid of known heat capacity
- Law States that the total enthalpy of a chemical reaction is the sum of the enthalpy changes for the steps of the reaction
- Having lower concentration of solute than other osmotic pressure than a surrounding medium
- Is the study of the rate of chemical reactions,including the mechanism by which a reaction occurs and the different factors that affects it
- Is the amount of pressure required to stop osmosis
- Is the force used to transfer energy between a system and its surroundings and is needed to create heat and the transfer of thermal energy
- Having a higher concentration of solutes than another solution or having excessive tension
- Is the part of the universe being studied to which attention is focused
- Is a measure of molecular randomness or disorder
- Is the study of tquantitative relationshiphip between reactants in a chemical reactions
- The amount of heat absorbed or released by a chemical reaction at constant atmospheric pressure.
31 Clues: A process called seeding • Are particles that ionize in a solutions • Only tells wether a reaction will occur or not. • Is a measure of molecular randomness or disorder • Is the amount of pressure required to stop osmosis • Is of the same phase as that of the reactants products • Occur from an ordered state to a more random arrangement • ...
CAST Chemistry Vocabulary 2025-02-28
Across
- neither positive nor negative
- the property of matter that is responsible for electrical phenomena, existing in a positive or negative form
- the electrons in the outermost shell, or energy level, of an atom
- simplified drawings of how valence electrons are arranged around atoms in a molecule
- the amount of matter
- an atom that has an equal number of protons and electrons, resulting in a neutral or zero electric charge
- an ordered arrangement of the chemical elements into rows ("periods") and columns ("groups")
- a stable subatomic particle with a positive electric charge
- mass is neither created nor destroyed in chemical reactions
Down
- result from the attraction between oppositely charged ions
- the release of energy from the decay of the nuclei of certain kinds of atoms and isotopes
- relating to or denoting chemical bonds formed by the sharing of electrons between atoms
- substance's mass per unit of volume
- a chemical element that mostly lacks distinctive metallic properties
- the tendency of an atom to attract electrons in a molecule
- a subatomic particle with a negative electric charge
- the ability of a solid, liquid, or gaseous chemical substance to dissolve in solvent and form a solution
- elements that are typically shiny, hard, and good conductors of heat and electricity
- the interatomic linkage that results from the sharing of an electron pair between two atoms
- an atom or molecule with a net electric charge due to the loss or gain of one or more electrons
20 Clues: the amount of matter • neither positive nor negative • substance's mass per unit of volume • a subatomic particle with a negative electric charge • result from the attraction between oppositely charged ions • the tendency of an atom to attract electrons in a molecule • a stable subatomic particle with a positive electric charge • ...
Chemistry & Chemical Safety 2025-03-20
Across
- material that is capable of igniting and burning
- abbreviated O/W emulsion; oil droplets emulsified in water
- alcohols that evaporate easily
- a substance that causes an increase in cellular mutations, some of which are harmful but others which have little or no effect on the body’s function; may cause cancer but not always
- chemical reaction that requires the absorption of energy or heat from an external source for the reaction to occur
- the smallest chemical components (often called particles) of an element
- required by law for all products sold include safety information about products compiled by the manufacturer, including hazardous ingredients, safe use and handling procedures, proper disposal guidelines, and precautions to reduce the risk of accidental harm or overexposure
- a stable, uniform mixture of two or more substances
- a measure of the acidity and alkalinity of a substance
- also known as bases; compounds that react with acids to form salts
- an ingredient that brings two normally incompatible materials together and binds them into a uniform and fairly stable mixture
- an ion with a negative electrical charge
- a colorless liquid or white crystals with a strong unpleasant odor that is used in permanent waving solutions
- the abbreviation used for potential hydrogen.
- the substance that is dissolved in a solution
- abbreviated W/O emulsion; water droplets emulsified in oil
- colorless gas with a pungent odor that is composed of hydrogen and nitrogen
- the simplest form of chemical matter; an element cannot be broken down into a simpler substance without a loss of identity
- an atom or molecule that carries an electrical charge
- chemical reaction that releases a significant amount of heat
- sweet, colorless, oily substance used as a solvent and as a moisturizer in skin and body creams
- abbreviated VOCs; compounds that contain carbon (organic) and evaporate very easily (volatile)
- liquids that are mutually soluble, meaning that they can be mixed together to form stable solutions
- subatomic particles with no charge
- a substance that causes or is believed to cause cancer
Down
- also known as redox; a chemical reaction in which the oxidizing agent is reduced (by losing oxygen) and the reducing agent is oxidized (by gaining oxygen)
- a solution that has a pH below 7
- rapid oxidation of a substance accompanied by the production of heat and light
- a contraction of surface active agents; substances that allow oil and water to mix, or emulsify
- an alpha hydroxy acid used in exfoliation and to lower the pH of products
- molecule containing two or more atoms of the same element in definite (fixed) proportions
- the substance that dissolves the solute and makes a solution
- special type of oil used in hair conditioners, water-resistant lubricants for the skin, and nail polish dryers
- abbreviated AHAs; acids derived from plants (mostly fruit) that are often used to exfoliate the skin
- a chemical combination of matter in definite (fixed) proportions
- an unstable physical mixture of two or more immiscible substances (substances that normally will not stay mixed) plus a special ingredient called an emulsifier
- when acids are mixed with alkalis in equal proportions, balancing the total pH and forming water (H2O) and a salt
- a change in the form or physical properties of a substance without a chemical reaction or the creation of a new substance
- unstable physical mixtures of undissolved particles in a liquid
- substances that should not be mixed or even stored near each other
- a substance that releases oxygen
- a substance that adds hydrogen to a chemical compound or subtracts oxygen from the compound
- characteristics that can be determined without a chemical reaction and that do not cause a chemical change in the substance
- liquids that are not capable of being mixed together to form stable solutions
- a change in the chemical composition or makeup of a substance
- material that is capable of igniting and burning, and easier to ignite than combustible material
- a solution that has a pH above 7
- characteristics that can be determined only by a chemical reaction and a chemical change in the substance
- the separation of an atom or molecule into positive and negative ions
- subatomic particles with a negative charge
- a very strong alkali used in chemical products and cleaners; commonly known as lye
- alkaline substances used to neutralize acids or raise the pH of many hair products
- easily absorbs moisture; in chemistry terms, capable of combining with or attracting water (water-loving)
- any substance that occupies space and has mass
- subatomic particles with a positive charge
- an ion with a positive electrical charge
- science that deals with the composition, structures, and properties of matter and how matter changes under different conditions
- a chemical combination of two or more atoms in definite (fixed) proportions
58 Clues: alcohols that evaporate easily • a solution that has a pH below 7 • a substance that releases oxygen • a solution that has a pH above 7 • subatomic particles with no charge • an ion with a negative electrical charge • an ion with a positive electrical charge • subatomic particles with a negative charge • subatomic particles with a positive charge • ...
My Chemistry Puzzle 2025-02-22
Across
- the d-block elements with typical metallic properties and are often referred to as
- a measure of the ability of an atom in a chemical compound to attract electrons from another atom in the compound
- Ce
- the elements of Group 17 of the periodic table
- Fr
- the horizontal columns of the periodic table
- the elements of Group 2 of the periodic table
- a negative ion
- The energy change that occurs when an electron is required by a neutral atom
- Lu
- an atom or group of bonded atoms that has a positive or negative charge
- the physical and chemical properties of the elements are periodic functions of their atomic numbers.
- an arrangement of the elements in order of their atomic numbers so that elements with similar properties fall in the same column, or group.
- the elements of Group 1 of the periodic table
- developed a method that led to the determination of standard relative atomic masses
Down
- Lr
- p-block elements together with the s-block elements
- element 6
- the electrons available to be lost, gained or shared in the formation of chemical compounds
- the vertical columns of the periodic table
- element 30
- Na
- the 14 elements with atomic numbers from 58 (cerium, Ce) to 71 (lutetium, Lu).
- element 7
- the 14 elements with atomic numbers from 90(thorium, Th) to 103 (lawrencium, Lr).
- the energy required to remove one electron from a neutral atom of an element
- element 1
- element 90
- the elements of Group 18 of the periodic table
- a positive ion
30 Clues: Lr • Ce • Na • Fr • Lu • element 6 • element 7 • element 1 • element 30 • element 90 • a negative ion • a positive ion • the vertical columns of the periodic table • the horizontal columns of the periodic table • the elements of Group 2 of the periodic table • the elements of Group 1 of the periodic table • the elements of Group 17 of the periodic table • ...
Unit 1 Chemistry 2025-01-24
Across
- A measure of the average kinetic energy of the particles in a substance
- A substance's characteristics that determine how it reacts with other substances
- State of matter without fixed shape or volume
- A type of reaction that absorbs heat
- Substances that are consumed during a chemical reaction
- An explanation for some aspect of the natural world that has been well supported
- A type of reaction that releases heat
- An approach to investigate something using multiple steps
- State of matter with fixed molecules
- A statement that describes something observable in nature that is true
- A possible explanation for something that can be tested
- Substances formed when two or more elements chemically bond together
- Pure substances consisting of only one type of atom
- Anything that has mass and occupies space
- Solid that forms when two substances mix
- State of matter with volume but no fixed shape
- A substance's characteristics that can be observed without changing it's chemical identity
Down
- Substances produced as a result of a chemical reaction
- A change when only the appearance of a substance is changed
- The energy of motion
- A factor that can change in an experiment
- The capacity to do work or produce heat
- A process in which substances are transformed
- A curve showing the effect of heating or cooling on a substance
- Substances with a direct molecular composition that are produced by or used in a chemical process
- The smallest unit of an element, consisting of protons, neutrons, and electrons
- The form of energy that flows between substances due to a temperature difference
- A type of mixture where components are not uniformly distributed
- A type of Mixture where the composition is uniform throughout
- The branch of science that studies composition, structure, and properties of substances
- The theoretical temperature at which all particle motion stops
- A combination of two or more substances that are not chemically bonded
32 Clues: The energy of motion • A type of reaction that absorbs heat • State of matter with fixed molecules • A type of reaction that releases heat • The capacity to do work or produce heat • Solid that forms when two substances mix • A factor that can change in an experiment • Anything that has mass and occupies space • State of matter without fixed shape or volume • ...
Organic Chemistry II 2025-04-07
Across
- butanoyl chloride + methanol
- Reaction type that forms secondary alcohols from ketones.
- A very common condensation polymer which we also made.
- Apparatus set-up for continuous heating/further oxidation.
- Reaction type that forms ketones.
- The addition of H2 to an alkene.
- Reacts violently and exothermically with water.
- Non-superimposable, mirror-image isomers.
- The formula for a common reducing agent.
- This ester we made has a wintergreen/'Deep Heat' smell.
- Benedict's solution starts as this colour.
- Apparatus set-up to separate a product from the reaction mixture.
- A carbon with four different atoms and/or groups of atoms.
Down
- An ion with both positive and negative charges simultaneously.
- Oxidises aldehydes but not alcohols.
- Bromine water is decolourised by this.
- Piece of glassware that water keeps cool during reflux/distillation.
- An amide bond between amino acids.
- The ability of one substance to mix with another substance (typically liquids), forming a homogeneous mixture.
- My cat's name.
- propanoic acid + ethanol (and heat and conc. sulfuric acid)
- This molecule's enantiomers either cures morning sickness or causes birth defects.
- A larger molecule is broken down into smaller components by the addition of water.
23 Clues: My cat's name. • butanoyl chloride + methanol • The addition of H2 to an alkene. • Reaction type that forms ketones. • An amide bond between amino acids. • Oxidises aldehydes but not alcohols. • Bromine water is decolourised by this. • The formula for a common reducing agent. • Non-superimposable, mirror-image isomers. • Benedict's solution starts as this colour. • ...
