chemistry/ Crossword Puzzles
Carbonyl Chemistry Crosswork 2022-03-09
Across
- The addition of a proton to an atom, molecule or ion
- What reacts more readily with alcohols than the same reaction between aldehydes and alcohols
- An addition reaction where in a chemical compound a pi bond is removed from by the creation of two new covalent bonds by the addition of a nucleophile
- Which function group has the structure CHO?
- What type of alcohol is formed from the reaction between formaldehyde and CH3Li ?
- / Who is the scientist behind the Fischer Esterification reaction ?
- An organic acid which contains the carboxyl group (-COOH)
- how many acyl compounds are there ?
- The measurement of the interaction of infrared radiation with matter by absorption, emission or reflection
- Stronger bonds result in more energy needed to excite the vibration but how does that affect the wavenumber?
Down
- What reduces double bond characters of a carbonyl group
- What is the simplest carbonyl compound?
- step 1 of an addition-elimination reaction of an ester from a carboxylic acid can generate a methylating agent and a new ... ?
- An alcohol in which the hydroxyl group is bonded to the secondary carbon atom
- What physical property can result in a higher boiling point?
- Type of compound that differs from acids by having a leaving group in place of the OH functionality
- What can destroy the organometallic reagent in a reaction with a carbonyl?
- / how many resonance forms does diazomethane exist in ?
- two drawbacks associated with diazomethane are that it is explosive and can only methylate what is the third ?
- When an amine is reacted with a carboxylic acid what is produced ?
20 Clues: how many acyl compounds are there ? • What is the simplest carbonyl compound? • Which function group has the structure CHO? • The addition of a proton to an atom, molecule or ion • What reduces double bond characters of a carbonyl group • / how many resonance forms does diazomethane exist in ? • An organic acid which contains the carboxyl group (-COOH) • ...
Chemistry Vocab Test 2022-02-25
Across
- A neutrally charged particle found the nucleus and makes up half of the mass of an atom.
- A positively charged particle found the nucleus and makes up half of the mass of an atom.
- A substance produced in a chemical reaction
- The area surrounding the nucleus of an atom; where the electrons are found
- A substance made up of atoms of two or more different elements joined by chemical bonds
- A negatively charged particle found the electron cloud and has very little mass
- Chemical formulas and symbols written to represent a reaction
- A pure substance made of only one kind of atom and cannot be broken down
- The electrons in the outermost energy level of an atom that influence the reactivity of the element
Down
- A number in front of a chemical formula that shows how many molecules or atoms are present
- The number of protons in the nucleus of a single atom
- A number written to the bottom right of a chemical symbol that shows how many atoms of that element are in a compound.
- The columns on a Periodic Table that arrange the elements by the number of valence electrons in the outermost shell.
- The mass of an atom, approximately equal to the number of protons and neutrons in the atom
- A combination of symbols that represent the elements in a compound
- The rows in a Periodic Table that classify the elements by the number of electron shells/energy levels
- The tiny, very dense, positively charged region in the center of an atom; made up of protons and neutrons
- A chemical substance that is present at the start of a chemical reaction
- A group of atoms bonded together forming the smallest fundamental unit of a pure substance
- The basic unit of an element and makes up everything
20 Clues: A substance produced in a chemical reaction • The basic unit of an element and makes up everything • The number of protons in the nucleus of a single atom • Chemical formulas and symbols written to represent a reaction • A combination of symbols that represent the elements in a compound • A chemical substance that is present at the start of a chemical reaction • ...
Fossils and Chemistry 2022-02-16
Across
- Tells us about the habitat of an animal such as a burro tracks or foot prints
- When minerals seep into a mold fossil and harden to form a copy of the original
- The basic partical of all matter
- When an element combines with itself to become more stable
- 2 Or more elements join together that have no charge
- When an organism decays and leaves a hollow form of itself
- Study of fossils
- Hardened tree sap that can contain ancient DNA
Down
- Portions of the body that remain but not the whole structure such as teeth claws and bones
- The exact real plant or animal traped/preserved in amber ice or tar
- The remains of plants and animals that lived long ago
- Hot sticky substance that can trap things preserving them for a short amount of time before it melts from heat
- an object trapped in layers of sediment pressed to make the film of carbon
- Radio waves that create an image of internal body flesh
- fossil A fossil that has all the water in it replaced by minerals and turned into stone
- Computer assisted tomography
- Atom with a charge
- A spot where Archaeologists look in for fossils
- Blueprint of life
- A spesific number of protons netrons and electrons
20 Clues: Study of fossils • Blueprint of life • Atom with a charge • Computer assisted tomography • The basic partical of all matter • Hardened tree sap that can contain ancient DNA • A spot where Archaeologists look in for fossils • A spesific number of protons netrons and electrons • 2 Or more elements join together that have no charge • ...
Chemistry Choice HW 2022-03-10
Across
- An example of a physical change and is a solution as well (HINT: This was the solvent and solute in another answer!)
- The substance that is doing the dissolving
- This is the solute and it is used in a solution to make rock candy
- water is commonly known as this because it can dissolve almost anything and act as both an acid and as a base
- this determines if something is acidic, basic, or neutral. Acidic is red, basic is blue, and neutral doesn't change the color
- this is a property of some bases and it is difficult to hold firmly. EX. Ice and soap
- The substance that is being dissolved
- this is an acid, an aqueous solution, and many people think it smells and tastes bad
- this has a pH from 1-6 and it releases hydronium ions (OH-)
- this is used as agricultural fertilizer and it is an example of a base
- This helps the solute in a solvent dissolve faster (This is the independent variable in an experiment)
- this is a property of some bases and it has a sharp or bad taste or smell. EX. Soap
- it can harm the environment by too much exposure to humans and the environment.
- this is determined by a scale and it is the amount of matter in an object
- Can’t be reversed and a new substance is formed.
Down
- The measurement of thermal energy within an object and is one of three factors that affects the rate of solubility
- this is a very powerful base and it is a cleaning product. This can seriously hurt your skin as well.
- this has a pH from 8-14 and it releases hydroxide ions (H+)
- Can be reversed and doesn’t change what a substance is
- this is a property of some acids and it can chemically destroy exposed body tissues
- This is an example of a chemical change and it usually occurs when metal is exposed to moisture and it is then left out for long periods of time
- A mixture of two or more substances that is the same throughout
- many acids have this taste. Ex. Lemon and Vinegar
- this contains a natural pH indicator that changes color depending on the acidity of a solution
- a solvent that has as much solute in it as it can dissolve
- when there is more solute in a solvent than can be dissolved
- this is an acid, a fruit, and there is a large debate on whether this or the color came first
- this tells the pH of some substances by changing the color of the strip. Red means acidic and blue means basic.
- this is an example of a base and it is used to clean other things or yourself
- Something to determine whether something is an acid, a base, or neutral on a scale of 0-14
- this is an acid, a fruit, it has seeds, and it is commonly used in cooking
- This is the solvent and it can act as both an acid and a base
32 Clues: The substance that is being dissolved • The substance that is doing the dissolving • Can’t be reversed and a new substance is formed. • many acids have this taste. Ex. Lemon and Vinegar • Can be reversed and doesn’t change what a substance is • a solvent that has as much solute in it as it can dissolve • this has a pH from 8-14 and it releases hydroxide ions (H+) • ...
Chemistry Crossword Puzzle 2021-06-08
Across
- Used to weigh substances
- Representation of a substance using symbols
- Cl
- Positively charged particle
- S
- Aqueous (liquid) mixture of substances
- A test in the laboratory
- Two or more elements joined together
- Includes eyepiece, lens, and stage
- Bunsen _______
- Hand protection
- Cu
Down
- Cylindrical glass container
- Negatively charged ion
- Negatively charged particle
- Eye protection
- OH-
- Combination of two or more atoms
- Might be calibrated in Fahrenheit or Celsius
- Has no net electric charge
- Consists of a nucleus surrounded by an electron cloud
- An atom or molecule with a net electrical charge
- A substance that cannot be broken down by chemical means
- Matter with no defined volume or shape
- K
25 Clues: S • K • Cl • Cu • OH- • Eye protection • Bunsen _______ • Hand protection • Negatively charged ion • Used to weigh substances • A test in the laboratory • Has no net electric charge • Cylindrical glass container • Negatively charged particle • Positively charged particle • Combination of two or more atoms • Includes eyepiece, lens, and stage • Two or more elements joined together • ...
Chemistry Performance Work 2021-12-25
Across
- relating to the nucleus of an atom.
- is a list of ingredients with which something is made.
- a substance that causes slight inflammation or other discomfort to the body.
- having a pH of less than 7.
- easily set on fire
- is a very small piece of matter with a positive electrical charge that is found in the nucleus of all atoms
- a particular kind of matter with uniform properties
- a thing that is composed of two or more separate elements
- having a pH of more than 7.
Down
- father of chemistry in Islamic Civilization
- combines with oxygen and makes things burn,
- element with atomic number 1
- the process of taking something ordinary and turning it into something extraordinary
- an atom or molecule with a net electric charge due to the loss or gain of one or more electrons.
- is a very small particle of matter that has a negative charge
- a particle of matter that uniquely defines achemical element
- a place for labor or work
- substances that are poisonous
- tending to cause corrosion.
- a usually round part of most cells that is enclosed in a double membrane, controls the activities of the cell
- electric charge of atom
21 Clues: easily set on fire • electric charge of atom • a place for labor or work • having a pH of less than 7. • tending to cause corrosion. • having a pH of more than 7. • element with atomic number 1 • substances that are poisonous • relating to the nucleus of an atom. • father of chemistry in Islamic Civilization • combines with oxygen and makes things burn, • ...
Chemistry Unit 2 2021-12-17
Across
- form of electromagnetic radiation, high frequency and energy of high-energy photons
- electron emission, absorbs enough energy to be completely ejected.
- 18th group, stable
- outermost electrons, chemical bond
- opposite spins, 2 max electrons
- form of electromagnetic radiation, high energy and very short wavelengths
- form of electromagnetic radiation, antennas
- energy level, 1s 2s 3s
- minimum energy ,remove the loosest electron
- height, origin to the crest
- minimum amount of energy, gained or lost
- form of energy, wavelike behavior
- form of electromagnetic radiation, microwaves
Down
- electrons, lowest energy 1st
- the arrangement of electrons, block, p block, d block
- measure of the tendency of an atom, bonding pair
- #waves per sec, hertz
- small particle, negative charge
- tiny particle, comprises waves of electromagnetic radiation
- pairing up, one electron
- form of electromagnetic radiation, thermal vision
- shortest distance, waves
- form of energy, no mass but has wave characteristics
- distance, nucleus to outer shell
- electron configuration, boxes
- form of electromagnetic radiation, sun rays
26 Clues: 18th group, stable • #waves per sec, hertz • energy level, 1s 2s 3s • pairing up, one electron • shortest distance, waves • height, origin to the crest • electrons, lowest energy 1st • electron configuration, boxes • small particle, negative charge • opposite spins, 2 max electrons • distance, nucleus to outer shell • form of energy, wavelike behavior • ...
Chemistry Vocab #1 2022-01-10
Across
- System of electrons surrounding the nucleus of an atom
- A solid that is produced by a chemical reaction in solution
- Experimental value minus the accepted value, divided by the accepted value and then multiplied by 100
- Atoms with same number of protons but not the same number of neutrons
- Data in words rather than in numbers
- atom that has gained or lost one or more electrons
- Group 18 in the periodic table with a full outer shell
- Mass per unit of volume
- Number of protons in the nucleus in an atom
- Reaction in which the nuclei of one atom combines with the nuclei of another to form a larger nuclei
Down
- The heat required to raise the temperature of the mass of a given substance by given amount
- Method that expresses the number multiplied by 10 and the appropriate power
- Smallest particle of a substance that can exist by itself
- Element with the properties of both metals and nonmetals
- Numerical measurements rather than its words
- The quality of being exact
- The ability to work without mistakes
- A science that deals with the structure and properties
- a number that express a magnitude to a specified degree of accuracy
- Sum of the protons and neutrons in the nucleus of an atom
20 Clues: Mass per unit of volume • The quality of being exact • The ability to work without mistakes • Data in words rather than in numbers • Number of protons in the nucleus in an atom • Numerical measurements rather than its words • atom that has gained or lost one or more electrons • System of electrons surrounding the nucleus of an atom • ...
PS: Chemistry P2 2021-09-28
Across
- Any change that doesn’t change the identity. Observed with senses. Determined without changing matter.
- The transition of a substance directly from the solid to the gas state, without passing through the liquid state
- A chemical reaction where energy is released from the system to the surroundings
- The outside of the atom. Where electron's are located.
- One of the fundamental states of matter. A high-energy state of atoms and molecules.
- A substance that speeds up a chemical reaction, but itself does not undergo any permanent chemical change
- An element or compound produced by a chemical reaction.
- The center of the atom. Where the Proton and neutron are located.
- A reaction in which two nuclei combine to form a nucleus.
- A neutral particle located in the nucleus with a charge of zero.
Down
- A reaction in which the nucleus of an atom splits into two or more smaller, lighter nuclei.
- Any change that does change the identity. Indicates how substance reacts with something else. Matter will be changed into a new substance
- Atoms combined in fix quantities. Atoms can be separated only by destroying substance.
- Energy in chemical reactions, it is the energy required to break chemical bonds to allow the reaction to proceed to products
- Physical change of matter that are reversible.
- An element or compound that enters into a chemical reaction.
- A positively charged subatomic particle located in the nucleus of an atom.
- One of the fundamental states of matter in which the molecules have both a fixed volume but not a fixed shape
- One of the fundamental states of matter in which the molecules do not have a fixed volume or shape. Molecules move the fastest.
- A negatively charged subatomic particle located outside of the nucleus of the atom.
- Atoms of the same element with identical atomic numbers but different atomic masses due to different number of neutrons in the nucleus
- One of the fundamental states of matter in which the molecules have both a fixed volume and a fixed shape. Molecules move the slowest.
- A chemical reaction where energy is absorbed by the system from the surroundings
23 Clues: Physical change of matter that are reversible. • The outside of the atom. Where electron's are located. • An element or compound produced by a chemical reaction. • A reaction in which two nuclei combine to form a nucleus. • An element or compound that enters into a chemical reaction. • A neutral particle located in the nucleus with a charge of zero. • ...
Chemistry Chapter 9 2022-04-25
Across
- N2
- Cu is known as
- a procedure for rebalancing equations using moles
- element that is soluble in water
- another name for limiting reactant
- the amount of product calculated
- sodium chloride
- written equation when elements are combined
- mass of products and reactants in an equation
- equation must be ____ before using mole ratio
- number written before the element
- amount of product actually obtained
- O2
- H2O
Down
- contains relative amounts of reactants
- comparison of actual yield to theoretical
- H2O is an example of a _____
- equal to number of carbon atoms
- collection of atoms bonded together
- the reactant that runs out first
- the unit moles are written in
- the materials that will be combined
- element that is not soluble
- the result after reactants are combined
- O2 is usually a type of ____
25 Clues: N2 • O2 • H2O • Cu is known as • sodium chloride • element that is not soluble • H2O is an example of a _____ • O2 is usually a type of ____ • the unit moles are written in • equal to number of carbon atoms • element that is soluble in water • the reactant that runs out first • the amount of product calculated • number written before the element • another name for limiting reactant • ...
Chapter 9 chemistry 2022-04-25
Across
- water
- a state that has molecules with least energy
- propane
- the answer to a problem
- 6.02x10^23
- N2
- a positively charged ion
- what the reactants combine to make products
- CO2
- reactant that runs out first
- an equation that has equal # of atoms on each side
- used to calculate moles
Down
- contains relative amounts of reactants
- comparison of number of products/reactants
- used to calculate percent yield
- a negatively charged ion
- number representing number of atoms in molecule
- a substance that dissolves in water
- used to calculate masses of moles
- equals actual yield/theoretical yield
- used to represent a chemical reaction
- most basic form of element
- comparison of two numbers
- a state which has the most energy
- a state that has volume but no shape
25 Clues: N2 • CO2 • water • propane • 6.02x10^23 • the answer to a problem • used to calculate moles • a negatively charged ion • a positively charged ion • comparison of two numbers • most basic form of element • reactant that runs out first • used to calculate percent yield • used to calculate masses of moles • a state which has the most energy • a substance that dissolves in water • ...
pH & Water Chemistry 2017-05-08
Across
- forms when electrons are shared between atoms
- (chemicals being created) are written on the right side of a chemical equation.
- mixtures of water and non-dissolved materials
- found in the nucleus with no charge
- a solution that contains a higher concentration of H+ ions than pure water and has a pH value below 7
- a substance formed by the chemical combination of two or more elements in definite proportions
- water slowly heats and resists temperature change
- Water is attracted to other molecules/substances
- is a measure of the concentration of H+ ions in a solution
Down
- formed when one or more electrons are transferred from one atom to another
- When molecules are close together, a slight attraction can form between the oppositely charged regions of nearby molecules
- found circling the nucleus with a positive charge
- (chemicals being combined) are written on the left side of a chemical equation.
- material composed of two or more elements or compounds that are physically mixed together, but not chemically combined
- a pure substance that consists entirely of one type of atom
- weak acids or bases that react with strong acids and bases to keep pHs within a certain range
- a mixture where a solid is dissolved into a liquid.
- found in the nucleus with a positive charge
- the smallest particles of an element that still have all the properties of an element
- Water is attracted to water (makes water “sticky!!”).
- when the electrons Between atoms in a molecule are shared unequally
- atoms of the same element that have the same number of protons but a different number of neutrons
- a solution that contains a lower concentration of H+ ions than pure water and has a pH value above 7
23 Clues: found in the nucleus with no charge • found in the nucleus with a positive charge • forms when electrons are shared between atoms • mixtures of water and non-dissolved materials • Water is attracted to other molecules/substances • found circling the nucleus with a positive charge • water slowly heats and resists temperature change • ...
Chemistry Crossword Puzzle 2017-01-25
Across
- The dissolved particles in a solution.
- A solution containing the maximum amount of solute for a given amount of solvent.
- A scale expressing the acidity or alkalinity of a solution; 7 is neutral, whereas lower numbers are more acidic and higher numbers are more basic.
- A mixture whose size of particles are between those in a suspension and a true solution.
- A substance that is slippery to the touch and tastes bitter; classified by numbers larger than 7 on the pH scale.
- The process by which an atom or a molecule acquires a negative or positive charge by gaining or losing electrons to form ions, often in conjunction with other chemical changes.
- A chemical compound that changes color and structure when exposed to certain conditions and is therefore useful for chemical tests.
- A process in which molecules separate or split into smaller particles such as atoms.
- The measurement of the amount of solute that is dissolved in a given quantity of solvent.
- The concentration of solute in a solution measured in moles of solute per liter of solution.
Down
- The dissolving medium in a solution.
- An object that does not have a positive or negative charge; a liquid that is not exceedingly basic or acidic.
- An acid that dissociates incompletely, releasing only some of its hydrogen atoms into the solution.
- The amount of a substance that dissolves in a given quantity of solvent at specific conditions.
- A mixture whose size of particles are large enough to settle out.
- The ion H3O+.
- Any acid that ionizes completely in solutions.
- A solution that contains more solute than it can theoretically hold.
- A combination of a solvent and a solute.
- A technique where a solution of known concentration is used to determine the concentration of an unknown solution.
- The concentration of solute in a solution measured in moles of solute per kilogram of solvent.
- A chemical substance that neutralizes bases, dissolves some metals; a corrosive or sour-tasting liquid.
22 Clues: The ion H3O+. • The dissolving medium in a solution. • The dissolved particles in a solution. • A combination of a solvent and a solute. • Any acid that ionizes completely in solutions. • A mixture whose size of particles are large enough to settle out. • A solution that contains more solute than it can theoretically hold. • ...
8th Chemistry Vocabulary 2018-03-07
Across
- A negatively charged subatomic particle founding the electron cloud and has very little mass
- A positively charged subatomic particle founding the nucleus and makes up about half of the mass of an atom.
- The tiny, very dense, positively charged region in the center of an atom; made up of protons and neutrons
- Majority of the elements on the periodic table are solid, shiny, malleable, and good conductors of heat and electricity.
- A substance produced during a chemical reaction
- A pure substance made of only one kind of atom
- A group of atoms bonded together; Can be the same elements or different elements
- The process by which one or more substances change to produce one or more different substances.
- A substance that takes part in and undergoes change during a reaction
- The electrons in the outermost energy level of an atom that influence the reactivity of the element
- A small number written below and to the right of a chemical symbol that shows the number of a specific type of atom present.
- Matter is neither created nor destroyed. Therefore, mass of all reactants must equal the mass of all products.
- The smallest particle of an element, made of electrons, protons, and neutrons
- A number placed in front of a chemical symbol or formula in order to balance the equation.
- A substance made of two or more elements chemically combined; must be more than one type of element
Down
- A table showing the chemical elements arranged according to their atomic numbers
- The rows in a Periodic Table that classify the elements by the number of electron shells/energy levels
- The columns on a Periodic Table that arrange the elements by the number of valence electrons in the outermost shell.
- A solid that forms from two liquids in a solution during a chemical reaction.
- the area surrounding the nucleus of an atom; where the electrons are found
- the mass of an atom, approximately equal to the number of protons and neutrons in the atom
- Chemical formulas and symbols written to represent a reaction
- Elements that have properties of both metals and non-metals; sometimes referred to as semiconductors
- Elements not shiny, usually a gas or brittle solid, not malleable, and poor conductors of heat and electricity
- A combination of symbols that represent the elements in a compound
- the number of protons in the nucleus of a single atom
- A neutrally charged subatomic particle founding the nucleus and makes up about half of the mass of an atom.
27 Clues: A pure substance made of only one kind of atom • A substance produced during a chemical reaction • the number of protons in the nucleus of a single atom • Chemical formulas and symbols written to represent a reaction • A combination of symbols that represent the elements in a compound • A substance that takes part in and undergoes change during a reaction • ...
Dylan Caughey Chemistry 2017-09-25
Across
- / the smallest component of an element
- of state / physical changes in matter.
- property / An intensive property is a property of matter that does not change as the amount of matter changes.
- / an element whose properties are intermediate between those of metals and solid nonmetals
- / substance formed when two or more chemical elements are chemically bonded together.
- / same kind; alike.
- / a solid material that is typically hard, shiny, malleable, fusible, and ductile,
- / a substance that takes part in and undergoes change during a reaction.
- substance / substances that are made of only one type of atom or only one type of molecule
- / a substance produced during a natural, chemical, or manufacturing process.
- / an ionized gas consisting of positive ions and free electrons in proportions resulting in more or less no overall electric charge,
- / An element is composed of atoms that have the same atomic number
- / a number of people or things that are located close together or are considered or classed together.
Down
- property / Properties that do change tha chemical nature of matter.
- / a means of solving a problem or dealing with a difficult situation.
- / a length or portion of time
- / is a measure of the amount of matter in an object.
- reaction / a process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form or a nuclear reaction.
- / diverse in character or content.
- / he branch of science that deals with the identification of the substances of which matter is composed;
- / an element or substance that is not a metal.
- / everything around you.
- / an airlike fluid substance which expands freely to fill any space available, irrespective of its quantity.
- / strongly built or made of strong materials; not flimsy or slender.
- / a group consisting of parents and children living together in a household.
- property / bulk property, meaning that it is a physical property of a system that does not depend on the system size or the amount of material in the system.
- / a substance that flows freely but is of constant volume, having a consistency like that of water or oil.
- / a substance made by mixing other substances together.
28 Clues: / same kind; alike. • / everything around you. • / a length or portion of time • / diverse in character or content. • / the smallest component of an element • of state / physical changes in matter. • / an element or substance that is not a metal. • / is a measure of the amount of matter in an object. • / a substance made by mixing other substances together. • ...
Chemistry Crossword Puzzle 2017-11-12
Across
- The most common ____________ is created by the IUPAC.
- 6Mg + P4 → 2Mg3P2 is an example of a __________ equation.
- Humans release ________________ when they breathe out.
- _________________ is an ionic compound also known as table salt.
- __________ is a molecular compound that contains one carbon atom and four hydrogen atoms.
- B2H4 is an example of a _______ bond.
- The _____________ diagram shows the amount of electrons on an element's last shell.
- A ________________ is used to tell you which chemicals are reacting with each other.
Down
- _________ is the first element in the halogen group.
- _______ compounds are made of non-metals.
- A ________________ uses the formulas to show which elements were used to create the chemical reaction.
- Oxygen has a ________ of 2.
- Sodium carbonate is an example of a _______ bond.
- An ______ dissolves in water to release hydrogen ions in aqueous solutions.
- ________ is when 2 or more reactants combine to form 1 product.
- ___________ is when a reactant is broken down into two or more products.
- A ______ dissolves in water to release hydroxide ions in aqueous solutions.
- When light is produced, a chemical _________ has taken place.
- NH4+ is an example of a ____________ ion.
- A ________ compound consists of exactly 2 elements.
20 Clues: Oxygen has a ________ of 2. • B2H4 is an example of a _______ bond. • _______ compounds are made of non-metals. • NH4+ is an example of a ____________ ion. • Sodium carbonate is an example of a _______ bond. • A ________ compound consists of exactly 2 elements. • _________ is the first element in the halogen group. • ...
Motion and Chemistry 2017-10-31
Across
- what you measure in the results for an experiment(d_________ variable)
- measured in m/s2 or ms-2 (a______________)
- substance made of one type of atom only (e____________)
- the things that need to be the same in experiments (c_______ variables)
- acid + base --> salt + w_____________
- another name for a chemical change (r__________)
- the one thing that you change in an experiment (i________ variable)
- element with formula Cl
- the tendency of an object to keep its motion (i___________)
- substance made of 2 or more different atoms (c____________)
- force is calculated by m______ x acceleration
Down
- Newton's Law that says force depends on acceleration and mass (s_______)
- name of compound CuO
- acid + metal --> salt + h____________
- speed is calculated by the formula distance divided by __________
- Newton's law number which describes inertia (f_______)
- a force that stops or slows down an object (f________)
- acid + carbonate --> salt + water + c_______________
- Newtons law number that says 'Forces have an equal and opposite force'(t____)
- speed is measured in __________ per second
- scientist with 3 laws of motion (N______)
- element with formula Fe
- forces are measured in N_________
23 Clues: name of compound CuO • element with formula Fe • element with formula Cl • 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 Crossword Puzzels 2018-11-06
Across
- he discover neturons in 1932
- Baking a cake is _____ change
- good conductors of head and electricity
- he was known as the father of modern chemistry
- a region in space in which there is high probability of finding an e-
- average mass of all the atomic masses of the isotopes of that atom
- elements in this family are fluorine, chlorine, bromine, iodine and astatine
- describing without numbers
- poor conductors of heat and electricity
- refers to how many protons an atoms of that elements has
- shape of dumbbell, holds 2 electrons in each orbital
- Longest wavelength, 700nm
- columns of elements is called______
- 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
Down
- table that organizes the elements is particular way
- ______have the same number of electrons and protons
- e- in the outer energy level of an atom
- making orange juice is ______ change
- shortest wavelength 400nm
- they are horizontal; rows of elements is called______
- using numbers to describe
- they are the most reactive metals, always bonded with another elements
- levels S,P,D,F are the ______
- Plum pudding model
- they are colorless gases that are extremely un-reactive
- have properties of both metal and nonmetal
- a part or aspect of something abstract, especially one that is essential or characteristic
- ____are atoms that have an unequal number of electrons and protons
- the energy level are like the ____ of a ladder but not equally spaced
30 Clues: Plum pudding model • shortest wavelength 400nm • using numbers to describe • Longest wavelength, 700nm • describing without numbers • he discover neturons in 1932 • Baking a cake is _____ change • levels S,P,D,F are the ______ • columns of elements is called______ • making orange juice is ______ change • e- in the outer energy level of an atom • ...
Chemistry Comprehensive Review 2016-06-21
Across
- Electrochemical technique that measure the electrical charge passing between two electrodes in a cell, the passing charge is directly proportional to oxidation or reduction of substance at one of the electrodes
- heme-containing protein found in red skeletal muscle, release after AMI
- Principle Actions of hormone: Increased calcium reabsorption, inhibits phosphate reabsorption
- Sodium, Potassium, Calcium, Magnesium, Chloride, bicarbonate, etc are all __________.
- Deficiency in Lipoprotein Lipase Activity is a hyperchylomicronemia Type ____ .
- Principle Actions of hormone: stimulation of thyroid formation and secretion
- The enzyme whose principal source is the heart and skeletal muscles
- Key cell membrane component in animals, carried by LDL and HDL
- The enzyme whose principal source is the liver
- The temperature measurement used for ABG in CVOR
- The end result of uncontrolled hyperglycemia in a Type-1 Diabetic
- A change greater than normal variance between today's value and previous value
- Main end-product of norepinephrine and epinephrine metabolism that is excreted in the urine
- Chemical and Environmental Factors influencing _____ , food or coadministered drugs affecting extent and rate of _____
- A mathematical equation that states that concentration of a substance is directly porportional to the amount of light absorbed, A= abc
- chief storage of iron in the body
- This cycle is how lactate is converted by the liver back into glucose
Down
- The enzyme whose principal source is the pancreas
- A function-curve that describes the relationship between instrument signal and concentration of analyte
- protein that is produced by the prostate, used for screening for prostate cancer
- Protein hormone that maintains blood glucose concentration by increasing glucose levels through glycogenolysis
- Principle Actions of hormone: oxygen consumption and metabolic rate of tissues
- Detection and measurement of a decrease in intensity of an incident beam of light as it passes thru a solution
- pH= pK' + log (cCHO3-/cHCO3-), _____ equation
- Marker for Glomerular Filtration Rate
- Principle Actions of hormone: Water reabsorption
- Principle Actions of hormone: Regulation of blood volume and pressure, must be performed in a 4 hour limit due to short half life
- Principle Actions of hormone: Salt and Water Balance
- Factors-errors that affect specimens before tests are performed and that can lead to error if not controlled
- protein produced by the fetal yolk, liver, etc. elevated in hepatocellular carcinomas, etc.
- The proportion of subjects with disease who have a positive laboratory test result
- Disorder of a transmembrane conductance regulator protein (CFTR), increased Chloride levels in sweat
- group of mainly inherited metabolic disorders that result from partial deficiencies of the enzymes of heme biosynthesis
- The 95% reference range is based off a _____ curve
- yellow bile pigment that is a breakdown product of heme
- Copper ions complex with peptide bonds in protein when exposed to alkaline conditions. Binding changes copper's absorption and leads to a color change. Directly proportional
- The fraction of bilirubin that reacts with the diazo reagent in the absence of alcohol
- Old term used to report results of a urea assay
- Form of an enzyme that originates from gene, but is distinguished by certain physical properties
39 Clues: chief storage of iron in the body • Marker for Glomerular Filtration Rate • pH= pK' + log (cCHO3-/cHCO3-), _____ equation • The enzyme whose principal source is the liver • Old term used to report results of a urea assay • Principle Actions of hormone: Water reabsorption • The temperature measurement used for ABG in CVOR • ...
Chemistry basics review 2016-09-20
Across
- can cause serious or long term effects or even death
- used to heat chemicals in an experiment
- prediction of what is going to happen
- can catch on fire easily
- where a gas mask when around this
- can cause severe burns to skin resulting in permanent damage
- someone's clothing is on fire
- workplace hazardous materials information system
- worn on eyes during all lab experiments
- used to keep chemicals off of skin and clothing
- use to pick up test tubes
Down
- can go under extreme hazardous material
- material that is a bacteria that can cause disease
- can decompose easily to release an oxidizing substance
- curved upper surface level in a tube
- a glass cylinder for lab use
- use fire extinguisher on
- a measured amount of matter in an object
- person who teaches us our chemistry class
- should be worn when dealing with chemicals to protect your hands
20 Clues: can catch on fire easily • use fire extinguisher on • use to pick up test tubes • a glass cylinder for lab use • someone's clothing is on fire • where a gas mask when around this • curved upper surface level in a tube • prediction of what is going to happen • can go under extreme hazardous material • used to heat chemicals in an experiment • ...
Chemistry of Life 2016-09-27
Across
- Covalent Bond Electrons are shared equally
- ph above 7 are
- Combination of two or more elements
- 1 main function of carbohydrates
- ph below 7 are
- are made from giant molecules
- what is formed when electrons are gained or lost
- building blocks of nucleic acid
- of Sugar Carbohydrates are classified by
- Proteins that speed up the chemical reaction
- Basic Unit of Matter
Down
- Name 1 kind of mixture
- only found in plants
- Molecule molecule that is positive at one end and negative on the other
- what is known as quick energy
- to eight ph of most human cells should be between
- This does the dissolving
- Bonds atoms that compose compounds are held together by?
- name something that energy
- Name 1 of the 4 groups of Organic Compounds
- example of a lipid
- name 1 part of a solution
- name 1 kind of nucleic acid
- pure substance with the same atoms
24 Clues: ph above 7 are • ph below 7 are • example of a lipid • only found in plants • Basic Unit of Matter • Name 1 kind of mixture • This does the dissolving • name 1 part of a solution • name something that energy • name 1 kind of nucleic acid • what is known as quick energy • are made from giant molecules • building blocks of nucleic acid • 1 main function of carbohydrates • ...
Chemistry: Olivia 9C 2018-12-12
Across
- an air like fluid substance which expands freely to fill any space available, irrespective of its quantity
- Characteristics that can be used to describe a substance
- shininess of a substance
- Octagon Danger
- Element Hydrogen
- Diamond warning
- stretched into a long wire
- Numerical prefixes for 2
- a solid material that is typically hard, shiny, malleable, fusible, and ductile
- Change When material changes state, doesn't change composition, reversible
- number the number of protons in the nucleus of an atom
- a substance that flows freely but is of constant volume, having a consistency like that of water or oil
- Metals an element or substance that is not a metal
Down
- Substances made up of one type of matter and has a unique set of characteristics
- An element whose properties are intermediate between those of metals and solid nonmetals
- Change When two or more substances react to form a new substance, Non reversible
- a body or geometric figure having three dimensions
- Numerical prefixes for 4
- Conduct electricity or heat
- Table a table of the chemical elements arranged in order of atomic number
- Element Helium
- chemical combination of two or more elements in a specific ratio
- Triangle Caution
- point Liquid changes to a gas
- point Changes from solid to liquid
25 Clues: Octagon Danger • Element Helium • Diamond warning • Element Hydrogen • Triangle Caution • Numerical prefixes for 4 • shininess of a substance • Numerical prefixes for 2 • stretched into a long wire • Conduct electricity or heat • point Liquid changes to a gas • point Changes from solid to liquid • a body or geometric figure having three dimensions • ...
Chemistry Terminology II 2019-02-25
Across
- adenosine triphosphate
- a chemical substance that resists changes in the pH of a solution
- P
- the basic structural components of proteins (2 words)
- subatomic particle that orbits around the nucleus of an atom and has a negative charge
- any atom that has lost or gained one or more electrons
- K
- C
- the combined weight of protons and neutrons for a given atom (2 words)
- a molecule consisting of chains of hundreds or thousands of amino acids
- the orbital paths of electrons found at varying distances from the nucleus of an atom (2 words)
- H
- molecules that contain carbon and are the principle materials that makeup living things
- O
Down
- H2O
- molecules that when dissolved in water dissociate into cations and anions
- chemical reaction in which large organic molecules are formed from smaller units by the removal of water
- matter composed entirely of atoms of the same kind
- Cl
- a substance that influences the rate of a chemical reaction but is not altered during the reaction
- a blood pH that is below 7.35
- Zn
- the number of protons within an atom (2 words)
- NaCl
24 Clues: P • K • C • H • O • Cl • Zn • H2O • NaCl • adenosine triphosphate • a blood pH that is below 7.35 • the number of protons within an atom (2 words) • matter composed entirely of atoms of the same kind • the basic structural components of proteins (2 words) • any atom that has lost or gained one or more electrons • a chemical substance that resists changes in the pH of a solution • ...
Chemistry crossword 001 2019-07-15
Across
- All radioactive elements decay to become this element
- Most common element in the universe
- Rekha's Dream office (also names compounds)
- 100th on the list
- Tetrahedral-Tetra Valent
- The only element named after a person living presently
- Positively charged electron
- This element killed the person who discovered it
- Discovered by a university named after the state
- Stannum
- Heaviest element
- "No" symbol discovered by the Nobel Institute
- sub-atomic particle not present in all atoms
Down
- Was the standard for relative atomic mass till 1961 before C-12
- a Helium ion
- First Man-Made element
- Lights up your day
- Costly extremely rare element with the highest boiling point of all the elements
- 1 of the 2 liquid elements at room temperature
- Most electronegative element
- Element Dual Valency
- Hydrogyrum
22 Clues: Stannum • Hydrogyrum • a Helium ion • Heaviest element • 100th on the list • Lights up your day • Element Dual Valency • First Man-Made element • Tetrahedral-Tetra Valent • Positively charged electron • Most electronegative element • Most common element in the universe • Rekha's Dream office (also names compounds) • sub-atomic particle not present in all atoms • ...
Basically Chemistry Stuff 2019-09-29
Across
- molecules attract to different substance
- living organism are made up of cells
- all organisms have proteins found within mRNA strands
- part of metabolism, breaking molecules to smaller molecules
- slightly postive or negatively charge
- physical changes that can be observed during or after chemical reaction
- amount of energy that must be added to liquid substanceto transform a quantity of that substance into a gas.
- the sum of all chemical processes that occur in an organism
- slightly positive hyrgen and slightly negative atom
- water molecules sticking to each other
- oppositely charged ions
Down
- constant/maintenance internally(temp.=cold, body heats)
- no charge
- materials become evident during or after chemical reaction
- amount of heat to be supplied to a given mass of a material to produce a unit change in its temperature.
- moisture carried from plant leaves (evaporation)
- atoms of elements in organisms bonded
- part of metabolism, building molecules
- outer shell of electron
- atoms shar a pair of electrons
- atom, radical, or molecule that has gained or lost one or more electrons and has - or + charge
21 Clues: no charge • outer shell of electron • oppositely charged ions • atoms shar a pair of electrons • living organism are made up of cells • atoms of elements in organisms bonded • slightly postive or negatively charge • part of metabolism, building molecules • water molecules sticking to each other • molecules attract to different substance • ...
Chemistry Crossword Puzzle 2019-04-27
Across
- The mass of a substance divided by its volume.
- A group of atoms held together by bonds.
- The particle of an element.
- A change where the substance themselves are changed.
- A compound of a non-metal and metal.
- A homogeneous mixture.
- An acid other than oxyacid.
- Can be bent or hammered into shape.
- A mixture which is a solution.
- The change of state from liquid to gas.
- A base and acid form together.
- A particle that has gained or lost an electron.
- A mixture where the components are easily seen, and are able to be physically separated.
- A subatomic particle with a positive charge.
- The number of protons in an element.
- When two or more atoms join together, they form _______s.
Down
- An element that loses electrons when forming bonds.
- A scale which shows how acidic or basic a substance is.
- Positively Charged Ion.
- The sum of the numbers of protons and neutrons in an atom.
- A subatomic particle with a negative charge.
- A medium or volume that allows heat or electricity to pass through it.
- An indicator which shows whether a substance is acidic or basic.
- This is the eighth element on the periodic table.
- The sharing of electrons between two atoms when bonding together.
- Negatively Charged Ion.
- The amount of one type of substance in a medium.
- An acid containing polyatomics.
- A bond of two non-metals.
- The change of state from liquid to solid.
30 Clues: A homogeneous mixture. • Positively Charged Ion. • Negatively Charged Ion. • A bond of two non-metals. • The particle of an element. • An acid other than oxyacid. • A mixture which is a solution. • A base and acid form together. • An acid containing polyatomics. • Can be bent or hammered into shape. • A compound of a non-metal and metal. • The number of protons in an element. • ...
Connor Thomas - chemistry 2019-10-17
Across
- a negatively charged particle
- materials mixed together
- what we end with
- atoms bonded together
- reaction where clouds form
- a particle with no charge
- chemicals combine in specific amounts
- the number of protons in the nucleus of an atom
Down
- a positive particle
- a property of a substance that is observed during a chemical reaction
- a chemist who developed the periodic table of the chemical elements
- a substance that cannot be broken down into simpler substances
- you can experience with your 5 senses
- mass of an atom
- smallest part of any element
- materials does change
- materials dont change
- mixture is the same
- a table of elements
- materials we start with
20 Clues: mass of an atom • what we end with • a positive particle • mixture is the same • a table of elements • atoms bonded together • materials does change • materials dont change • materials we start with • materials mixed together • a particle with no charge • reaction where clouds form • smallest part of any element • a negatively charged particle • you can experience with your 5 senses • ...
Chemistry and Food! 2012-10-30
Across
- prefix meaning “many”
- the suffix meaning “sugar”
- the type of sugar that circulates in the bloodstream
- a symptom of kwashiorkor
- pertaining to having a need for food.
- a deficiency disease caused from a lack of proteins and vitamins
- prefix meaning “three”
- a class of food
- a type food that contains no cholesterol
- capable of being consumed
- chemical equation
- prefix meaning “one”
- prefix meaning “two”
- C6H12O6
- a chain of amino acids
- suspension of a liquid in another liquid
- a carbohydrate that is a necessary part of a balanced diet
- prefix meaning “egg”
Down
- sustenance
- an organic compound that contains sugar
- a sweet chemical
- a vegetarian diet that contains some animal products such as fish and dairy
- disease of the arteries
- a salt compound that forms a protective coating around tiny oil droplets to keep them from coming together in digestion
- the main component of fats
- the tissue where fats are stored
- to split using water.
- a protein that is nonanimal
- a vegetarian diet that contains no animal product
- made from the amino acids in protein
30 Clues: C6H12O6 • sustenance • a class of food • a sweet chemical • chemical equation • prefix meaning “one” • prefix meaning “two” • prefix meaning “egg” • prefix meaning “many” • to split using water. • prefix meaning “three” • a chain of amino acids • disease of the arteries • a symptom of kwashiorkor • capable of being consumed • the suffix meaning “sugar” • the main component of fats • ...
CHEMISTRY QUIZ- 10TH 2012-12-05
Across
- Most unreactive group
- Early chemists tried to perfom this nuclear reaction.
- One synthetic element named after a prize.
- They react with water to form alkaline solutions.
- When a star dies.
- Energy requiered to remove an electron
- Atomic radius _______ as you move down a group.
- Particle accelerator for superheavy elements.
- These are revealed by the arrangement of the periodic table
Down
- Most elements are __________
- Original explosion of the universe according to theories.
- All are radioactive
- It decreases as you move down a group.
- Symbol of one element found in the spectra of stars
- Another name for group 17
- It is formed when you mix metals.
- Elements created by men.
- Here we can find nuclear reactions today.
- It is in a class by itself
- One of the basic 6 elements
20 Clues: When a star dies. • All are radioactive • Most unreactive group • Elements created by men. • Another name for group 17 • It is in a class by itself • One of the basic 6 elements • Most elements are __________ • It is formed when you mix metals. • It decreases as you move down a group. • Energy requiered to remove an electron • Here we can find nuclear reactions today. • ...
CHEMISTRY QUIZ- 10TH 2012-12-05
Across
- It is in a class by itself
- It decreases as you move down a group.
- Elements created by men.
- Here we can find nuclear reactions today.
- Original explosion of the universe according to theories.
- Most unreactive group
- It is formed when you mix metals.
Down
- One of the basic 6 elements
- Particle accelerator for superheavy elements.
- One synthetic element named after a prize.
- When a star dies.
- Most elements are __________
- Early chemists tried to perfom this nuclear reaction.
- They react with water to form alkaline solutions.
- Energy requiered to remove an electron
- Atomic radius _______ as you move down a group.
- These are revealed by the arrangement of the periodic table
- All are radioactive
- Another name for group 17
- Symbol of one element found in the spectra of stars
20 Clues: When a star dies. • All are radioactive • Most unreactive group • Elements created by men. • Another name for group 17 • It is in a class by itself • One of the basic 6 elements • Most elements are __________ • It is formed when you mix metals. • It decreases as you move down a group. • Energy requiered to remove an electron • Here we can find nuclear reactions today. • ...
Fourth Quarter Chemistry 2013-02-27
Across
- In the splitting of molten salts, cations are ___ and anions are ___.
- In the qualitative analysis for metallic elements, Group 4 cations form insoluble ___s.
- The external power source ___ electrons from the anode, so it is ___.
- In the qualitative analysis for metallic elements, Group 2 cations form ___-insoluble sulfides.
- The ion with the lowest __ in mixed molten salts will be oxidized.
- Half cell reduction potential values is not applicable for molten salts because they are for ___ ions.
- ___ always takes place at the cathode.
- In the electrolysis of aqueous ionic solutions, either an ion is oxidized or ___ gas is formed.
- Electrolysis of water usually occurs in ___ conditions.
- In the qualitative analysis for metallic elements, the alkali metal ions and ___ ions remain dissolved.
- To determine the cell potential for the electrolysis of pure water at room temperature, the ___ equation is used.
- In the qualitative analysis for metallic elements, Group 3 cations form ___-insoluble sulfides and hydroxides.
- The external power source ___ electrons from the anode, so it is ___.
- The electrons come from the external power source, which ___ them to the cathode, so it is ___.
- The SI unit for current is the ___.
Down
- The ion with the ___ ionization energy in mixed molten salts will be reduced.
- In the qualitative analysis for metallic elements, Group 1 cations form insoluble __s.
- The splitting of a substance using electricity is called ___.
- In the electrolysis of aqueous ionic solutions, either an ion is reduced or ___ gas is formed.
- ___ Law of Electrolysis states that electrical charge is proportional to the amount of product.
- In an ___ cell, electrical energy from an external source drives a nonspontaneous reaction.
- The central nonmetal in ___s are in their highest oxidation states, and cannot be further oxidized.
- The electrons come from the external power source, which ___ them to the cathode, so it is ___.
- The increment above the expected voltage due to the production of some gases is called ___.
- ___ always takes place at the anode.
- In the splitting of molten salts, cations are ___ and anions are ___.
- In the electrolysis of aqueous ionic solutions, ___ competes with the ions for reaction.
27 Clues: The SI unit for current is the ___. • ___ always takes place at the anode. • ___ always takes place at the cathode. • Electrolysis of water usually occurs in ___ conditions. • The splitting of a substance using electricity is called ___. • The ion with the lowest __ in mixed molten salts will be oxidized. • ...
Chemistry Revision Crossword 2013-03-23
Across
- Has no charge and party makes up the nucleus of an atom.
- Characteristic of a material.
- An alloy may be _ _ _ _ _ because it has an advanced feature such as shape memory alloys.
- A method of separating a mixture of chemicals, this can be done with filter paper and a solvent or with a gas in a solid column.
- When a substance has single bonds.
- Speeds up chemical reactions without being used up in the process.
- A liquid capable of dissolving another substance, used in paper chromatography to separate dyes.
- Atoms of the same element that have different numbers of neutrons so also have a change of mass.
- Electrons that have come away from their nucleus in metallic bonding.
- A reaction that releases energy from burning a fuel.
- A mixture of two elements, one of which is a metal.
- An allotrope of carbon with a very high melting point, it is extremely hard and each atom is joined to four others by strong covalent bonds in a giant covalent structure.
Down
- A conductor through which an electrical current enters or leaves, used in electrolysis.
- A large molecule with many bonds that causes it to have a huge network.
- Occupies shells around the nucleus of the atom and are negatively charged.
- A mass _ _ _ _ _ _ _ _ _ _ _ _ is the detector used in gas chromatography.
- Relative _ _ _ _ _ _ mass is the large number shown with an element in the periodic table to represent the element's mass as it's actual mass it too small to measure.
- Positively charges and partly makes up the nucleus of an atom.
- _ _ _ _ _ _ _ _ bonds are shared pairs of electrons.
- _ _ _ _ _ bonds can be formed when a metal and a non metal react together and either gain or lose electrons caused by the strong electrostatic forces between oppositely charged ions.
20 Clues: Characteristic of a material. • When a substance has single bonds. • A mixture of two elements, one of which is a metal. • A reaction that releases energy from burning a fuel. • _ _ _ _ _ _ _ _ bonds are shared pairs of electrons. • Has no charge and party makes up the nucleus of an atom. • Positively charges and partly makes up the nucleus of an atom. • ...
Core Chemistry Keywords 2012-06-01
Across
- The number of neutrons in Lithium
- The number of hydrogen atoms in propane
- the number of carbon atoms in the other molecule when C2H4 is produced from cracking C4H10
- A measure of the 'runny-ness' of a substance
- A process used to separate mixtures with different boiling points.
- an oil with no double bonds (or an alkane)
- The type of processes which create heat in the Earth's core
- A hydrocarbon with the general formula CnH2n
- The type of currents created in the mantle
- This chap proposed the idea of tectonic plates and mountain formation
- This type of bond is formed between metals and non-metals
- A mixture of a few hydrocarbons with similar boiling points
- The repeating unit in a polymer
Down
- These gasses have a complete outer shell of electrons
- A metal which reacts with water to form hydrogen and it's hydroxide. Quite hard to cut.
- This, in water, turns from orange to colourless when it reacts with a double bond.
- A large molecule made from lots of smaller ones joined together.
- These plates are much larger than the ones used at lunch
- An atom that has lost, or gained an electron.
- An compound which contains only the elements hydrogen and carbon
- a substance which contains any number of compounds or elements, in the same container, but not chemically joined
- an oil with some double bonds (or an alkene)
- The number of hydrogen atoms in propene
- A hydrocarbon with the general formula CnH2n+2
- These are fromed from non-metal atoms joining together
- A process used to break large hydrocarbon molecules into smaller ones
- a substance which contains more than one type of atom, chemically joined together
27 Clues: The repeating unit in a polymer • The number of neutrons in Lithium • The number of hydrogen atoms in propane • The number of hydrogen atoms in propene • an oil with no double bonds (or an alkane) • The type of currents created in the mantle • A measure of the 'runny-ness' of a substance • an oil with some double bonds (or an alkene) • ...
Organic Chemistry Revision 2012-04-25
Across
- Sweet smelling homologous series
- OIL The raw material
- How to produce alcohol the natural way
- Alkenes will decolourise this
- Alkene with three carbons
- The ease at which a substance evaprorates
- Breaking up long chain hydrocarbons to short chain ones
- These properties gradually change in a homologous series
- Combustion product of hydrocarbons
- Same molecular formula, different structural formula
- A catalyst used in alcohol production
Down
- Acid catalyst for hydration of ethene
- No C=C double bonds
- Geometry of a methane carbon atom
- Alcohol
- Simplest homologous series
- A fraction of the raw material
- Type of formula showing all the bonds
- Resistance to flow
- Ethanoic acid
20 Clues: Alcohol • Ethanoic acid • Resistance to flow • No C=C double bonds • OIL The raw material • Alkene with three carbons • Simplest homologous series • Alkenes will decolourise this • A fraction of the raw material • Sweet smelling homologous series • Geometry of a methane carbon atom • Combustion product of hydrocarbons • Acid catalyst for hydration of ethene • ...
LabWeek in Chemistry 2013-04-21
Across
- the easiest way to prevent the spread of disease
- a measure of kidney function
- cardiac marker
- device that would be used to measure 100 mls
- opposite of base
- liver function test
- test needed in an emergency
- common test depleated by EDTA
- analyte depleted with exposure to red blood cells
- material safety data sheet
Down
- follicle stimulating hormone
- type of fluid
- Dilantin
- additive to prevent the blood from clotting
- destroyed red cells
- iron stores
- test that can be diagnostic for congestive heart failure
- Life threatening results
- quality control
- preventative maintenance
- PPE
- continuing education credit
22 Clues: PPE • Dilantin • iron stores • type of fluid • cardiac marker • quality control • opposite of base • destroyed red cells • liver function test • Life threatening results • preventative maintenance • material safety data sheet • test needed in an emergency • continuing education credit • follicle stimulating hormone • a measure of kidney function • common test depleated by EDTA • ...
8th Grade Chemistry 2013-06-12
Across
- negatively charged particles in atoms
- joining of atoms to form new substances
- smallest particle of matter and cannot be separated
- pure substance that can't be separated into simpler substances
- chemical and physical properties of elements are periodic functions of their atomic number
- center of the atom in a positively charged region
- a change a substance undergoes that changes its properties
- representation of an object or system
- vertical columns on the periodic table
- regular repeating pattern
- force of attraction that holds two atoms together
- good conductors, malleable, ductile, and shiny
- horizontal rows on the periodic table
Down
- description of a chemical reaction using chemical symbols and formulas
- notation for a compound that uses chemical symbols and numbers
- starting materials in a chemical reaction
- outermost energy level in an atom
- poor conductors, dull
- ending substance in a chemical reaction
- semi conductors, have properties of metals and nonmetals
20 Clues: poor conductors, dull • regular repeating pattern • outermost energy level in an atom • negatively charged particles in atoms • representation of an object or system • horizontal rows on the periodic table • vertical columns on the periodic table • joining of atoms to form new substances • ending substance in a chemical reaction • starting materials in a chemical reaction • ...
Chemistry Crossword Puzzle 2013-05-24
Across
- force that holds atoms together in a molecule
- atoms of an element that have different numbers of neutrons
- the ablility of an atom to remove an electron from another atom
- force exerted by a gas on a surface
- 2 or more elements chemically combined
- insoluble solid that is produced when 2 salt solutions are reacted
- bonds where electrons are not shared equally
- no definite shape or volume
- molar concentration (M)
- study of the relationship between products amd reactants in a chemical reaction
- instrument that measures atmospheric pressure
- charged atom
- simplest forms of matter
- no definite shape but definite volume
- measure of how close a measurement is to the actual value
- same throughout
- what is being dissolved
- the way of measuring concentration (m)
- movement of particles from high to low concentration
Down
- process by which a gas escapes through a tiny hole in its container
- the ability to do work or produce heat
- negative ion
- definite shape and volume
- relies on size of particle
- the transfer of energy from one object to anotherdue to a temperature difference
- relies on solubility
- measure of the movement of heat energy
- anything that has mass and takes up space
- no matter at all in a space
- made of 2 or more different particles
- relies on boiling
- positive ion
- mass per unit volume
- bonds where electrons are shared equally
- wat is doing the dissolving
- measure of how close measurements are to one another
- element that has properties of metals and non metals
37 Clues: negative ion • positive ion • charged atom • same throughout • relies on boiling • relies on solubility • mass per unit volume • molar concentration (M) • what is being dissolved • simplest forms of matter • definite shape and volume • relies on size of particle • no definite shape or volume • no matter at all in a space • wat is doing the dissolving • force exerted by a gas on a surface • ...
Chemistry Vocab Terms 2013-06-16
Across
- Neutral charged particle
- Positively charged particle
- Two or more elements that are joined by chemical bonds
- Reaction absorbs energy
- Outermost electrons
- Good conductor of heat and electricity
- Once called "Inert"
- An atom with a negative or positive charge
- Has seven valence electrons
- Negatively charged particle
Down
- Vertical rows on the periodic table
- Reaction loses energy
- Separation of elements in a reaction
- Semi-Conductor
- Bond between metals
- A pure substance that can't be broken down
- First group
- Where electrons are found in atoms
- Alternating pattern of negative and positive ions
- Two elements required for reactions
20 Clues: First group • Semi-Conductor • Bond between metals • Outermost electrons • Once called "Inert" • Reaction loses energy • Reaction absorbs energy • Neutral charged particle • Positively charged particle • Has seven valence electrons • Negatively charged particle • Where electrons are found in atoms • Vertical rows on the periodic table • Two elements required for reactions • ...
Chemistry Wood Search 2013-05-30
Across
- A change in which one or more new substances are produced or they'res a change in the starting substance.
- Any property of a substance that does not have a numerical number is a ______ property such as colour or odour.
- A change in which no new substances are formed and the substance remains unaltered.
- The temperature at which a substance changes state from a liquid to a gas.
- The elements found in the upper right portion of the periodic table are called ______.
- A negatively charged particle in an atom that orbits the nucleus.
- An ____ is a pure element that cannot be broken down in, by any physical or chemicals means.
- The ____ of a substance is a ratio of its mass to its volume.
- A positively charged ion.
- The ____ number is the number of protons and neutrons in an atom's nucleus.
Down
- The temperature at which a substance changes state ffrom a liquid to a solid.
- A _____ substance is a substance that is made up of only one type of particle.
- The ____ gases are named this because of their stable nature and unreactivity.
- A _____ bond is a bond formed when two non-metal atoms share electrons.
- A _____ is two or more atoms of the same or different elements that are chemically joined together.
- A pure substance composed of two or more elements that have been chemically joined.
- A substance with two different types of particles is known as a ______.
- The smallest unit of an element.
- An _____ is a solid solution made up of two or more moetals.
- A row on the periodic table is called a _____.
- Potassium, Calcium, and Lithium are all on the periodic table and are all examples of ______.
- A particle that has became charged. Either positively or negatively.
22 Clues: A positively charged ion. • The smallest unit of an element. • A row on the periodic table is called a _____. • An _____ is a solid solution made up of two or more moetals. • The ____ of a substance is a ratio of its mass to its volume. • A negatively charged particle in an atom that orbits the nucleus. • ...
Chemistry of Life 2013-09-20
Across
- a substance that participates in a chemical reaction
- biomolecule made of sugars
- a mixture in which molecules of one or more substances are evenly distributed
- a fat molecule made of carbon and hydrogen
- a molecule made up of sugar, base and phosphate group
- chains of amino acids that twist and fold into certain shapes that determine what proteins do
- single sugar
- a molecule that acts as a catalyst in biochemical reactions
- water can not dissolve substances
- smallest unit of matter
- material that contains information that determines inherited characteristics
- a compound that forms extra OH- ions
- a substance that forms in a chemical reaction
- an organic molecule that acts as the main energy source for cell processes
Down
- the site that attaches to a substrate
- compound that forms extra H+ ions
- the minimum amount of energy required to start a chemical reaction
- acid a long chain of nucleotide units
- the reactant in reactions catalyzed by enzymes
- building blocks that link to form proteins
- a value that is used to express the acidity or basicity of a system
- water is a substance
22 Clues: single sugar • smallest unit of matter • biomolecule made of sugars • water is a substance • compound that forms extra H+ ions • a compound that forms extra OH- ions • the site that attaches to a substrate • acid a long chain of nucleotide units • water can not dissolve substances • a fat molecule made of carbon and hydrogen • ...
Chemistry Period 3 2013-10-13
Across
- bond a chemical bond in which three pairs of electrons are shared between two atoms
- a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound
- forces force that holds together the atoms making up a molecule or compound
- an atom with electric charge due to the loss or gain of one or more electrons
- attraction electrostatic interaction between electrically charged particles
- pairs valence electron pair without bonding or sharing with other atoms
- electron an electron in the outer shell of an atom which can combine with other atoms to form molecules
- ion is a charged chemical species (ion) composed of two or more atoms
- bond a chemical bond in which one atom loses an electron to form a positive ion
- dot structures diagrams that show the bonding between atoms
- bond a chemical bond in which two pairs of electrons are shared between two atoms
- lattice the symmetrical three-dimensional arrangement of atoms inside a crystal
Down
- a set of chemical symbols showing the elements
- bond a chemical bond in which electrons are shared over many nuclei and electronic conduction occurs
- a negatively charged ion
- forces forces of attraction or repulsion which act between neighboring particles
- bond a chemical bond in which one pair of electrons is shared between two atoms
- name et of rules to generate systematic names for chemical compounds
- bond a chemical bond that involves sharing a pair of electrons between atoms in a molecule
- a positively charged ion
- stable group of eight electrons occupying a single shell in an atom
- a mutual attraction between two atoms
22 Clues: a negatively charged ion • a positively charged ion • a mutual attraction between two atoms • a set of chemical symbols showing the elements • dot structures diagrams that show the bonding between atoms • stable group of eight electrons occupying a single shell in an atom • name et of rules to generate systematic names for chemical compounds • ...
Terminologies in Chemistry 2013-11-02
Across
- It is anything that occupies space and has mass
- The SI unit for luminous intensity
- A tentative explanation to a problem
- a kind of mixture wherein its particle size is larger than 1000nm
- A molecular geometry in which molecules form a 180-degree angle
- The SI unit for electric current
- A branch of analytic chemistry that tells the elements/compounds present
- Contains the dispersed particle and dispersing medium
- a belief, policy, or procedure proposed as a basis of action
- A molecular geometry in which molecules form a 109.5-degree angle
- The mass of an object per unit volume
- Average kinetic energy
- Bonding formed when two or more elements share electrons
- The SI unit for mass
- The force exerted by an object per unit area
Down
- A kind of gas law where the quantities amount of substance and temperature are involved
- electrons in the outermost energy level of an atom
- The proposed fifth state of matter
- A kind of gas law where the quantities pressure and temperature are involved
- A kind of gas law where the quantities pressure and volume are involved
- The number of moles of solute per liter of solution
- a fluid colloidal system
- Bonding formed when a metal transfers its electron(s) to the nonmetal
- The SI unit for temperature
- A branch of analytic chemistry that tells how much is present
- The negatively charged particle
- Bonding formed between metals in their uncharged elemental state
- The massive positive center of an atom
- A principle stating that the electron configuration of elements must be arranged in increasing energy level
- A covalent bond formed when electrons are unequally shared between two atoms
- The positively charged particle
31 Clues: The SI unit for mass • Average kinetic energy • a fluid colloidal system • The SI unit for temperature • The negatively charged particle • The positively charged particle • The SI unit for electric current • The proposed fifth state of matter • The SI unit for luminous intensity • A tentative explanation to a problem • The mass of an object per unit volume • ...
Chemistry Revision Crossword 2014-01-21
Across
- The space an electron occupies is called an
- What is the seventh element in the periodic table.
- Transition can be hammered into shape without breaking. They are ……
- One of the allotropes of carbon which is used in jewellery
- The elements between the groups 2 and 3 are called the
- This is one of the types of subatomic particle
- A type of bonding where the electrons are shared
- If transition metal ions are present in a solution a coloured solution will be formed when we add…
- This element is used to make nuclear power
- The emission of energy as electromagnetic waves or moving subatomic particles
- What is the common name for CaCO3
- The fourth alkali metal
- Which gas turns limewater milky?
- A type of bonding where electrons are transferred from one atom to another
- Hydrogen burns with a……
- A radioactive isotope used in the treatment of cancer
Down
- Plants can create most of the world’s free oxygen through this process
- This process is used to find the age of dead organisms by comparing the amounts of two isotopes of carbon.
- The time it takes for half of the atoms of a substance to decay
- Elements with the same number or protons and electrons but different numbers of….
- Oxygen and nitrogen can be obtained from liquid air by a process called…
- The ore that pure uranium and pure radium can be obtained from.
- He discovered the electron
- woman discovered radium?
- The series of processes by which nitrogen and its compounds are interconverted in the environment and in living organisms, including nitrogen fixation and decomposition
- What is the flame colour for potassium
- What are the group seven elements called?
- The atoms of halogens are……
- What is the flame colour for copper
29 Clues: The fourth alkali metal • Hydrogen burns with a…… • woman discovered radium? • He discovered the electron • The atoms of halogens are…… • Which gas turns limewater milky? • What is the common name for CaCO3 • What is the flame colour for copper • What is the flame colour for potassium • What are the group seven elements called? • This element is used to make nuclear power • ...
Organic Chemistry Quiz 2013-12-17
Across
- The type of isomerism shown by 1-chloropropane and 2-chloropropane.
- What are the position-indicating numbers in a systematic name called?
- What is the systematic name for diethyl ether (the anaesthetic)?
- Common name given to the medicine derived from 2-hydroxybenzoic acid (salicylic acid).
- The colour of bromine water after shaking with a liquid alkene for a few minutes.
- What do we call the 109½° angle?
- The name given to a type of alcohol where the hydroxyl group is attached to a carbon attached to two other carbon atoms.
- The systematic name for the alkane with a chain of nine carbon atoms.
Down
- In (E)-1,2-dibromopentene, on which side of the C=C bond do the bromine atoms lie?
- The name of the ring structure found in the penicillin family of antibiotics?
- For what kind of series do successive members differ by CH2?
- What type of compound has the condensed formula CH3CH(CH3)COCH3?
- The type of bond formed when the atomic orbitals of two atoms overlap axially (on the line of their centres)?
- The name given to the process whereby s and p orbitals of an atom combine to form new orbitals with a different spatial arrangement.
- The name given to the bonded atom pair found in aldehydes, ketone and carboxylic acids.
- The name given to stereoisomers whoch are mirror images.
- The systematic name for wood alcohol.
- Common name for propane-1,2,3-triol?
- What is the systematic name for acetylene (C2H2)?
- The organic product of the reaction between an acid chloride and an alcohol.
20 Clues: What do we call the 109½° angle? • Common name for propane-1,2,3-triol? • The systematic name for wood alcohol. • What is the systematic name for acetylene (C2H2)? • The name given to stereoisomers whoch are mirror images. • For what kind of series do successive members differ by CH2? • What type of compound has the condensed formula CH3CH(CH3)COCH3? • ...
Physical Science - Chemistry 2015-05-28
Across
- two or more substances physically combined
- a substance that enters into a chemical reaction
- a negatively charged particle in an atom
- a reaction in which elements in different compounds trade places
- solids with particles not arranged in a pattern
- going directly from a solid to a gas
- name of group 1 metals
- a mixture of a metal and another element
- a compound that consists of positive and negative ions
- a single type of matter that is pure
- the number before a chemical formula in an equation
- the measure of the amount matter in an object
- an atom with the same number of protons and a different number of neutrons
- a chemical bond formed by sharing electrons
- ionic compound formed in a reaction between n acid and a base
Down
- the basic particle of a compound
- a substance that produces hydroxide ions in water
- the attraction that holds two atoms together
- a substance made of two or more elements combined
- a class of elements that are shiny
- type of change that forms new substances
- going directly from a liquid to a gas
- solids with particles arranged in patterns
- an element with some properties of both metals and nonmetals
- an electrically charged atom
- the study of matter
- the number in a chemical formula showing the ratio of atoms in a compounds
- symbols that show the type and number of atoms in a compound
- an element without the properties of a metal
- an element in group 17
- the basic particle of an element
- a substance that produces hydrogen ions in water
32 Clues: the study of matter • name of group 1 metals • an element in group 17 • an electrically charged atom • the basic particle of a compound • the basic particle of an element • a class of elements that are shiny • going directly from a solid to a gas • a single type of matter that is pure • going directly from a liquid to a gas • a negatively charged particle in an atom • ...
Chemistry Crossword Puzzle 2015-08-30
Across
- A substance containing two or more types of atoms chemically combined.
- The change in state from solid to liquid
- A solid formed when two solutions are mixed.
- The mass of a substance divided by its volume
- The flow of electric current through a substance. Conduction is due to moving electrons in metals and moving ions in ionic solutions/melts. (two words)
- The solid obtained on the filter paper when carrying out filtration.
- Neither acidic nor alkaline. A solution that has pH 7.
- Burning(usually in a reaction with oxygen gas)
- Can be pulled out into wires
Down
- A soluble base. An alkaline solution which has a pH above 7.
- A method of separating a liquid from a mixture by boiling the mixture then condensing the vapours.
- A negatively charged particle found in electron shells outside the nucleus.
- A positively charged particle in the nucleus of an atom. Also used as a term for a hydrogen ion
- An atom or group of atoms that has become positively charged or negatively charged.
- A substance containing only one type of atom
- The liquid that truns through the filter paper when carrying out filtration
- Two or more substance mixed together but not chemically combined.
- The change of a gas to a liquid.
- A mixture of two ore more metals or (less often) a metal with a non-metal.
- A particle made up of two ore more atoms held together by covalent bonds
20 Clues: Can be pulled out into wires • The change of a gas to a liquid. • The change in state from solid to liquid • A solid formed when two solutions are mixed. • A substance containing only one type of atom • The mass of a substance divided by its volume • Burning(usually in a reaction with oxygen gas) • Neither acidic nor alkaline. A solution that has pH 7. • ...
Chemistry Crossword Puzzle 2015-11-17
Across
- When 2 non-metals combine to make a pure substance
- The most stable and unreactive elements
- The mass of an one atom in a element
- Groups of atoms acting as one
- A neutral particle in the nucleus of an atom
- A column of elements on the Periodic Table
- NaCl
- A column of elements in the periodic table
- A very valuable element usually used for jewelry
- The number of protons and electrons in the nucleus of on atom of an element.
- The most reactive non-metals
Down
- Shiny,malleable, ductile element that conducts electricity
- Combination of symbols that represent a compound.Identifies the elements and the amount of each.
- Pure substance formed when at least on metal and one non-metal combvines
- A row of elements on the Periodic Table
- Element that has both metallic and non-metallic properties
- Anything that has mass and occupies space
- A table in which the elements are organized by their physical and chemical properties
- Atom that has become electrically charged because it has lost or gained electrons.
- Has 1 proton, 1 electron and an atomic mass of 1
- The most reactive of the metals
- A negatively charged particle that orbits the nucleus of an atom
- When a metal and non-metal combine to make a pure substance
- A positive particle in the nucleus of an atom
- The smallest part of an element with a nucleus containing protons and neutrons
- Dull,brittle element that does not conduct electricity
26 Clues: NaCl • The most reactive non-metals • Groups of atoms acting as one • The most reactive of the metals • The mass of an one atom in a element • A row of elements on the Periodic Table • The most stable and unreactive elements • Anything that has mass and occupies space • A column of elements on the Periodic Table • A column of elements in the periodic table • ...
Chemistry Crossword Puzzle 2015-11-29
Across
- Determines pH of a solution.
- HI
- Elements with atomic numbers from 90 to 103.
- A+O2 yields B
- A conversion factor that relates to the amount of moles in any substance.
- Quantity of energy released or used during a reaction.
- Any substance that has a composition.
- The number of protons in the nucleus as found on the periodic table.
- Greek prefix for three.
- Total number of protons and neutrons.
- Formed from a single atom.
- A general term for isotopes.
- A mutual attraction between the atoms that binds them together.
- An explanation of how data or information is related.
- Represents with symbols of the reactants and products.
- Sharing from the electron pairs.
- How much of something there is.
- An uneven distribution of charges.
- HCl
- The study of the structure and changes that matter goes through.
- Ionic compound composed of a cation and an anion.
- When the product is the reactant in the equation.
- Greek prefix for one.
- A measure of how much something weighs.
- Deals with mass relationships of compounds.
- Greek prefix for two.
- Anything that has mass and takes up space.
- Arrangement of elements in order of their atomic numbers.
- Greek prefix for five.
- Energy absorbed or released as heat in a reaction.
- When water molecules produce hydronium and hydroxide.
- A substance made of any one type of atom.
- Greek prefix for four.
- Extra substance that is not used in the reaction.
- Study of the transfers of energy as heat in a reaction.
- L known times L unknown divided by L known=L unknown
- Polyatomic ions that contain oxygen.
- A+B yields AB
- Elements with atomic numbers from 58 to 71.
- A specific portion of matter in a space.
- An approach to solving problems by observing data.
- Physical and chemical properties of the elements of atomic numbers.
- Q=mass times delta Hp
- SI unit of heat.
- H2SO4
Down
- Q=mass times delta T times Cp
- HBr
- HClO4
- Chemical reaction that involves large numbers of cations and anions.
- The amount of a substance that contains as many particles as there are atoms.
- The smallest unit there is.
- (mass)(%)+(mass)(%) divided by 100.
- Unequal attraction among the shared electrons.
- The pairs are equally shared among bonded atoms.
- Composed of two different elements
- Given mol times mol unknown times molar mass divided by mol known and 1 mol unknown=mass unknown.
- Bonds that hold particles together.
- -log
- The pH range when an indicator changes color.
- A generalization that explains factual evidence.
- Mass relationships between reactants and products.
- MF mass divided by EF mass=n
- Elements from Group 2.
- A reactant that limits the amounts of other reactants from forming.
- mass of element divided by total mass times 100.
- Atoms of the same element that have different masses.
- Indicates general distribution of electrons among atoms that are bonded.
- Amount of energy required to raise the temperature of a substance.
- Naming system.
- Uses the formulas of the chemicals instead of symbols or words.
- Substances who are sensitive to pH.
- A solid that is formed out of a chemical reaction.
- Elements from Group 1.
- Similar to a chemical equation, but uses words instead of symbols.
- A statement that can be tested.
- Measure of kinetic energy.
- A whole number used to balance an equation.
- -log[OH-]
78 Clues: HI • HBr • HCl • -log • HClO4 • H2SO4 • -log[OH-] • A+O2 yields B • A+B yields AB • Naming system. • SI unit of heat. • Greek prefix for one. • Greek prefix for two. • Q=mass times delta Hp • Elements from Group 2. • Greek prefix for five. • Elements from Group 1. • Greek prefix for four. • Greek prefix for three. • Formed from a single atom. • Measure of kinetic energy. • The smallest unit there is. • ...
Chemistry of life 2015-09-21
Across
- any of a class of nitrogenous organic compounds that consist of large molecules composed of one or more long chains of amino acids and are an essential part of all living organisms, especially as structural components of body tissues such as muscle, hair, collagen, etc., and as enzymes and antibodies
- any of a large group of organic compounds occurring in foods and living tissues and including sugars, starch, and cellulose
- move many substances throughout the body. An example is hemoglobin that transports oxygen from the lungs to the other parts of the body to be used by cells in cellular respiration
- protein that accelerates the speed of chemical reactions such as digestive enzymes which break down food in the digestive tract
- a molecule that binds to an enzyme and decreases its activity
- transformation of one molecule to a different molecule inside a cell and mediated by enzymes
- form the basic structural unit of a nucleic acid
- the chemical processes that occur within a living organism in order to maintain life.
- a substance that has a molecular structure consisting chiefly or entirely of a large number of similar units bonded together
- a figure expressing the acidity or alkalinity of a solution on a logarithmic scale on which 7 is neutral, lower values are more acid, and higher values more alkaline
- a molecule containing a very large number of atoms, such as a protein, nucleic acid, or synthetic polymer.
- a complex organic substance present in living cells, especially DNA or RNA, whose molecules consist of many nucleotides linked in a long chain.
Down
- a simple organic compound containing both a carboxyl (—COOH) and an amino (—NH2) group.
- used for support such as connective tissue and keratin that forms hair and finger nails.
- any of a class of organic compounds that are fatty acids or their derivatives and are insoluble in water
- coordinate body activities such as insulin which regulates the amount of sugar in the blood.
- help control movement such as proteins in the muscles which help control contraction.
- the minimum quantity of energy that the reacting species must possess in order to undergo a specified reaction.
- (of a reaction or process) accompanied by or requiring the absorption of heat.
- an attraction between atoms that allows the formation of chemical substances that contain two or more atoms
- a substance produced by a living organism that acts as a catalyst to speed up a specific biochemical reaction.
- (of a reaction or process) accompanied by the release of heat.
- the process of breaking down food by mechanical and enzymatic action into substances that can be used by the body.
- a molecule that can be bonded to other identical molecules to form a polymer.
24 Clues: form the basic structural unit of a nucleic acid • a molecule that binds to an enzyme and decreases its activity • (of a reaction or process) accompanied by the release of heat. • a molecule that can be bonded to other identical molecules to form a polymer. • (of a reaction or process) accompanied by or requiring the absorption of heat. • ...
CARBON-CHEMISTRY CROSSWORD 2015-12-01
Across
- Of, relating to, or denoting compounds that are not organic(broadly, compounds not containing carbon)
- The fatty oil obtained from the coconut and used in cosmetics
- Hydrocarbon molecule with only single bonds
- (of an organic compound esp. a fat)Saturated except for one multiple bond
- Unsaturated hydrocarbon that contains at least one triple bond.
- Ester of glycerol and three fatty acids; general term for fats and oils
- Triglyceride that is a solid at room temperature and that contains mainly saturated fatty acids
- Triglyceride that is solid at room temperature and that contains mainly unsaturated fatty acids
- Food and Drug Administration
- Description of a solution that contains as much as dissolved solute as it can under existing conditions
Down
- Of, relating to, or derived from living matter
- Vegetable oil made from rapeseed; it is high in monounsaturated fatty acids
- Organic molecule containing only carbon and hydrogen
- oil from the fruits of certain plats esp. the west African oil palm
- (of an organic compound, esp. a fat or oil molecule) containing several double or triple bonds between carbon atoms.
- A CARBOXYLIC ACID CONSISTING OF A hydrocarbon chain and a terminal carboxyl group, esp. Any of those of those occurring as esters in fats and oils.
- Addition of a hydrogen molecule to a double or triple bond
- Description of a solution that contains less dissolved solute that it can under existing conditions
- A substance found in animal tissues and various foods that influences metabolism
- Unsaturated hydrocarbon that contains at least one double bond.
20 Clues: Food and Drug Administration • Hydrocarbon molecule with only single bonds • Of, relating to, or derived from living matter • Organic molecule containing only carbon and hydrogen • Addition of a hydrogen molecule to a double or triple bond • The fatty oil obtained from the coconut and used in cosmetics • ...
Basic Chemistry Crossword 2014-10-07
Across
- / All of the chemical reactions that occur in the body
- / Short term energy storage
- / Cell membrane component
- / Stores excess energy long term
- / Complex carbohydrate
- / Made of one polynucleotide chains
- bond/A week bond between 2 molecules
- acids / Building blocks are nucleotides
- / Contains genetic information needed to make proteins
- / Many of these make a polynucleotide
- / Plant structural carb
- / Used as a cellular fuel source
Down
- / Their compounds are polymers (made of many parts)
- / Simple sugar
- / Proteins that speed up a chemical reaction
- / Water has an unequal distribution of charges
- / Two monos covalently bonded together
- / Reactions make them
- / Plant energy storage
- / Can form 4 covalent bonds
- / Reactions break them
- / chemical bonds holds the molecule together
- Bond / Strong bond, is the sharing of electrons
- / Animal energy storage
- / Most are Metals, Non-metal examples are H,O
25 Clues: / Simple sugar • / Reactions make them • / Complex carbohydrate • / Plant energy storage • / Reactions break them • / Animal energy storage • / Plant structural carb • / Cell membrane component • / Short term energy storage • / Can form 4 covalent bonds • / Stores excess energy long term • / Used as a cellular fuel source • / Made of one polynucleotide chains • ...
CHEMISTRY OF LIFE 2015-01-09
Across
- What is the amino acid that make disulfide bond
- Apart from small size why carbohydrate is suitable for carry energy around the body
- This is can be use many time without changing structure
- this is not one of four main molecules but it also vital to live
- Type of bonding when there is water as the product
- Fibrous proteins are made from what type of polypeptide chains
- Type of tissue keep your body warm which act as insulation
- Tertiary structure
- Lipids which are solid usually make from this chain
- The only macromolecule which not polymerize
Down
- Same number and type of atoms but bond in different forms
- the reason body keep your body temperature at 37 is to protect enzymes from?
- Can find in every living organism
- Reactions made by each enzyme are?
- One type of protein which has spherical shape
- What make triglycerides and phospholipids different
- Type of amino acids depends on?
- Hard insoluble proteins
- The property that make hydrophilic head for phospholipids
- Most of digestive enzymes work best in normal pH (7) but this special enzyme can work well in low pH
- lipid is only soluble in which kind of solvent
21 Clues: Tertiary structure • Hard insoluble proteins • Type of amino acids depends on? • Can find in every living organism • Reactions made by each enzyme are? • The only macromolecule which not polymerize • One type of protein which has spherical shape • lipid is only soluble in which kind of solvent • What is the amino acid that make disulfide bond • ...
Chemistry Crossword 2 2014-12-16
Across
- A particle of electromagnetic radiation having zero rest mass and carrying a quantum of energy.
- Together, all the forms of electromagnetic radiation form the ___________.
- A state in which an atom has a higher potential energy than it has in its ground state.
- Defined as the number of waves that pass a given point in a specific time, usually one second.
- the weighted average of the atomic masses of the naturally occurring isotopes of an element
- an element that is a good conductor of heat and electricity
- The distance between corresponding points on adjacent waves.
- atoms of the same element that have different masses
- an element that has some characteristics of metals and some characteristics of nonmetals
- the mass of one mole of a pure substance
- number of protons in a nucleus
- The minimum quantity of energy that can be lost or gained by an atom.
Down
- Refers to the emission of electrons from a metal when light shines on the metal.
- general term of any isotope of any element
- The lowest energy state of an atom
- A form of energy that exhibits wavelike behavior as it travels through space.
- the symbol of y
- The amount of a substance that contains as many particles as there are atoms in exactly 12 g of carbon-12.
- wave length symbol
- the smallest particle of an element that retains the chemical properties of that element
20 Clues: the symbol of y • wave length symbol • number of protons in a nucleus • The lowest energy state of an atom • the mass of one mole of a pure substance • general term of any isotope of any element • atoms of the same element that have different masses • an element that is a good conductor of heat and electricity • The distance between corresponding points on adjacent waves. • ...
chemistry unit B 2014-11-06
Across
- system - one experiment in which all reactants and all products of a chemical reaction are accounted for
- compound pure substance formed when at least when one metal and non-metal combine
- positive charge
- shiny malleable ductile element that conduct electricity
- chemical reactions that occurs when oxygen reacts with a substance
- element has both metallic and non metal properties
- metals group 1 element in the periodic table
- slow chemical change that occurs when oxygen in the air reacts with a metal
- system experiment in which products can escape a chemical reaction
- -ability to pound into sheets
- workplace hazardous materials information system
- negative charge
- respiration chemical reaction that takes place in a cell
Down
- -horizontal row of elements in the periodic table
- gases -group 18 of the periodic table
- substance that helps a reaction to proceed more quickly
- neutral particle in the nucleus of an atom
- vertical column of elements in the periodic table
- ions groups of atoms acting as one
- compounds pure substance formed when non metals combine
- metal dull brittle element that does not conduct electricity
- anything that has mass and occupies space
- catalyst involved in chemical reaction in living things
- reaction when two or more substances react to form a new substance
- number the sum of the number of protons and neutrons in an atom
25 Clues: positive charge • negative charge • -ability to pound into sheets • ions groups of atoms acting as one • gases -group 18 of the periodic table • neutral particle in the nucleus of an atom • anything that has mass and occupies space • metals group 1 element in the periodic table • workplace hazardous materials information system • ...
Chemistry Crossword Puzzle 2014-11-29
Across
- a form of matter that flows to conform to the shape of its container and fills the entire volume
- a _________ property is the abilty of a substanceto combine with or change into one or more other substances
- the conversation of an atom of one element to an atom of another element
- a _________ property is a characteristic that can be observed or measured without changeing the sample's composition
- a subatomic particle with a negitive charge
- Half ______ is the time it takes for Half of the radioactive nuclei to decay to the most stable nuclei
- a subatomic particle with no charge
- a ratio that compares the mass of an object to its volume
- the colums on the periodic table of elementsli
Down
- Group __ elements only have one valence electron
- a form of matter that has its own definite shape and volume
- refers to how close a measured value is to an accepted value
- a russian chemist who sorted the elements by atomic mass
- refers to how close a series of measurement are to one another
- a form of matter that flows, has a contant volume,and takes the shape of its container
- the rows on the periodic table of elements
- a subatomic particle with a positive charge
- Properties of _______ : ductile,conduct of electricty,conduct of heat,have luster,and malleable
- a german chemist sorted the elements by atomic number
- anything that has mass and takes up space
20 Clues: a subatomic particle with no charge • anything that has mass and takes up space • the rows on the periodic table of elements • a subatomic particle with a negitive charge • a subatomic particle with a positive charge • the colums on the periodic table of elementsli • Group __ elements only have one valence electron • ...
Chemistry unit 1 2014-12-31
Across
- the mass of a substance containing the same number of elementary particles as there are in 12.000 grams of carbon-23
- the number of elementary particles that there are in 12.000 grams of carbon-12
- the amount of substance containing the same number of elementary particles as there are in 12.000 grams of carbon 12
- the same molecular formula, but a different functional group
- the number of atoms of each element n one molecule of the substance
- the heat energy required to remove one electron from each of a mole of free gaseous atom of that element
- the simplest whole number ratio in which the atom of each element in a compound are found
- the ability of an atom to attract electrons towards itself in a covalent bond
- the number of protons in the nucleus of an atom
- atoms with the same atomic number but different mass numbers
- the same molecular formula but a different arrangement of of covalent bond
- an attraction between a cat-ion and a sea of delocalised electrons
- the same molecular formula but a different arrangement of carbon in the chain
- the heat energy required to remove one electron from each of a mole of free gaseous +1 ions of that element
- an atom or group of atoms which confer specific physical and chemical properties to the molecule
- a pair of electrons shared between two atoms
Down
- an attraction between oppositely charged ions
- the existence of partial positive and negative charges on each end of the bond as a result of the unequal sharing of electrons
- an element with s-electrons only in its outer shell
- a pair of electrons shared between two atoms, one of which provides both of the electrons
- an element with s and d-electrons but no p-electrons in its outer shell
- the ratio of the average mass of a molecule to 1/2 of the mass of carbon-12
- the ratio of the mass of one atom of the isotopic to 1/2 of the mass of one atom of carbon-12
- a number of different structures having the same molecular formula
- series of compounds with the same functional group in which the molecular formula varies by CH2 from one member to the next
- the total number of protons and neutrons in the nucleus of an atom
- an element with p-electrons in its outer shell
27 Clues: a pair of electrons shared between two atoms • an attraction between oppositely charged ions • an element with p-electrons in its outer shell • the number of protons in the nucleus of an atom • an element with s-electrons only in its outer shell • the same molecular formula, but a different functional group • ...
Chemistry spelling words 2015-02-02
Across
- capable of being dissolved
- a substance that undergoes a chemical change in any reaction
- a rapid oxidation accompanied by heat and usually light
- substances that cannot be separated into simpler substances by chemical means
- opposite to exothermic
- a chemical reaction in which an acid and a base interact with the formation of a salt
- a pure substance composed of two or more elements
- incapable of being dissolved
- the smallest component of an element..
Down
- a substance obtained from another substance through chemical change
- formed of matter deposited in or by water
- a reaction or process with the release of heat
- the smallest physical unit of an element or compound
- the separation of a substance into basic elements or substances
- a substance produced by or used in a chemical process
- the principal element of anything
- a product of corroding as rust
- the reciprocal action of chemical agents upon each other; chemical change
- a compound usually having a sour taste
- a substance that indicates the presence or concentration of a certain constituent
20 Clues: opposite to exothermic • capable of being dissolved • incapable of being dissolved • a product of corroding as rust • the principal element of anything • a compound usually having a sour taste • the smallest component of an element.. • formed of matter deposited in or by water • a reaction or process with the release of heat • ...
Basic Chemistry Crossword 2014-10-05
Across
- makes polymers
- type of lipid that is a cell membrane component
- sticking together of particles of the same substance
- involved in the actual protein building process
- building blocks of proteins
- simple sugars
- unequal distribution between charges
- plant structural carb
- contains genetic info needed to make proteins
- element found in most living things
- weak bond between H+ and O-
- short term energy storage
- animal energy storage
- type of lipid that store energy for a long term
- pure substance that cannot be broken down
- plant energy storage
Down
- all the chemical reactions that happen in your body
- ability of a liquid to flow in narrow spaces without the external forces
- bond formed by the attraction between two opposite ions
- made of two or more elements
- fats and oils
- complex carbs
- found in mainly most living things
- elements that are essential to living things
- bond formed when atoms combine by sharing electrons
- organic compound that includes enzymes
- two monos covalently bonded
- breaks polymers
- type of lipid with a four-ringed structure
- sticking together to a surface or object
- C6H12O6
- proteins that speed up a chemical reaction
32 Clues: C6H12O6 • fats and oils • complex carbs • simple sugars • makes polymers • breaks polymers • plant energy storage • plant structural carb • animal energy storage • short term energy storage • building blocks of proteins • two monos covalently bonded • weak bond between H+ and O- • made of two or more elements • found in mainly most living things • element found in most living things • ...
Chemistry Chapter 11 2014-03-06
Across
- series the actinides
- stream of tiny packets of energy
- have behaviors of metals and nonmetals
- energy levels how the atoms is organized
- elements elements in groups 1-7
- configuration electron arrangement
- diagram orbital diagram
- atoms have the same set of discrete energy levels
- principal energy levels divided
- energy energy required to remove an electron from an individual atom in the gas phase
- mechanical model mathematical analysis created by Schrodinger that created a new model that applied equally to all atoms
- size when the atom increases or decreases
- Exclusion Principle an atomic orbital can hold a maximum of two electrons and those two electrons must have opposite spins
- lustrous appearance and the ability to change shape without breaking
Down
- group elements representative elements
- series the lanthanides
- the distance between two consecutive wave peaks
- radiation energy is being transmitted from one place to another by light
- electrons the electrons in the outermost principal energy level of an atom
- indicates how many wave peaks pass a certain point per given period
- electrons inner electrons
- the electron can be found inside the sphere
- lustrous and good conductors of heat and electricity
23 Clues: series the actinides • series the lanthanides • diagram orbital diagram • electrons inner electrons • elements elements in groups 1-7 • principal energy levels divided • stream of tiny packets of energy • configuration electron arrangement • group elements representative elements • have behaviors of metals and nonmetals • energy levels how the atoms is organized • ...
Chemistry and plants 2014-03-25
Across
- Number number of protons in an atom
- a factory that contains chlorophyll to carry out photosynthesis
- Contains half the information for a new plant
- tablean arrangement of all known elements in order of their size and structure
- Male part of a flower
- cells Cells that cause the stomata to open & close
- substances containing only one type of atom
- Green chemical in chloroplasts inside cells in the leaves used for photosynthesis
- Small hole under the leaf to allow gas exchange
- how plants are put into groups with similar structures
- or more atoms joined together
- space for storing glucose, water and other nutrients
- a chemical breaks apart into 2 or more chemicals in a reaction
- chemicals made by the equation
- cycle How carbon atoms are used and recycled
- solid produced when 2 liquids react
- study of matter and how it behaves
- bundles Bundle of tubes that are joined from roots to the leaves.
- dispersal how the seeds are designed to be moved away from the parent tree.
- How water moves through a plant
- of reactionhow fast a reaction happens
- or more molecules or compounds
- Living things with roots, stems and leaves that produce their own food
- Female part of the flower
- particles in an atom found in the nucleus
- equationshows what chemical are at the start and at the end of a reaction
- plant material used for building cells
- contains all the recipes and instructions for making new plant chemicals
- Colored parts of the flower to attract insects
- Large molecule made with lots of sugar molecules joining together
Down
- Tubes that carry plant food
- contains lots of small factories to process food, wastes and new chemical for growth
- changechange in appearance, easily reversible
- or more different atoms joined together
- a group of flowering plants eg grasses that have 1 seed leaf
- A way of storing nutrients for the seeds.
- food made by plants ( type of sugar)
- Tubes that carry water up a plant
- Numbernumber of protons plus neutrons in an atom
- contains the egg
- chemicals swap partners in a reaction
- a group of flowering plants eg trees & shrubs that have 2 seed leaves.
- hairs Microscopic tubes that collect water and nutrients from the soil
- process of gaining knowledge by observation and experiment
- particles in an atom found in the nucleus
- 2 smaller chemicals join in a reaction
- + O2 → CO2 + H2O + energy
- negative particles orbiting the nucleus
- How all living things turn food & O2 into energy. Happens 24/7
- Process that plants use to make their own food & oxygen
- reaction with oxygen ( burning )
- chemicals used at the start of the reaction
- changenew chemical formed, not easily reversed
- + CO2 + H2O → Food ( glucose) + O2
- chemicals are made
- of mass mass is always the same at the start and end of a reaction
- effect Gases like water vapor and carbon dioxide trap heat and keep the earth warm.
- atom containing an equal number of protons and electrons is electrically neutral.
- wall rigid wall that supports the cell
- Contains half the information for a new plant
60 Clues: contains the egg • chemicals are made • Male part of a flower • + O2 → CO2 + H2O + energy • Female part of the flower • Tubes that carry plant food • or more atoms joined together • chemicals made by the equation • or more molecules or compounds • How water moves through a plant • reaction with oxygen ( burning ) • Tubes that carry water up a plant • ...
Chemistry and plants 2014-03-25
Across
- neutral particles in an atom found in the nucleus
- two or more atoms joined together
- 2 or more molecules or compounds
- effect Gases like water vapor and carbon dioxide trap heat and keep the earth warm.
- of reactionhow fast a reaction happens
- Green chemical in chloroplasts inside cells in the leaves used for photosynthesis
- plant material used for building cells
- table an arrangement of all known elements in order of their size and structure
- a group of flowering plants eg grasses that have 1 seed leaf
- Living things with roots, stems and leaves that produce their own food
- atom containing an equal number of protons and electrons is electrically neutral.
- of mass mass is always the same at the start and end of a reaction
- when a chemical breaks apart into 2 or more chemicals in a reaction
- how plants are put into groups with similar structures
- when chemicals swap partners in a reaction
- contains all the recipes and instructions for making new plant chemicals
- space for storing glucose, water and other nutrients
- number of protons plus neutrons in an atom
- contains lots of small factories to process food, wastes and new chemical for growth
- + CO2 + H2O → Food ( glucose) + O2
- wall rigid wall that supports the cell
- positive particles in an atom found in the nucleus
- the process of gaining knowledge by observation and experiment
- a group of flowering plants eg trees & shrubs that have 2 seed leaves.
- Tubes that carry plant food
- contains the egg
- hairs Microscopic tubes that collect water and nutrients from the soil
- Tubes that carry water up a plant
- Contains half the information for a new plant
- cells Cells that cause the stomata to open & close
Down
- dispersal how the seeds are designed to be moved away from the parent tree.
- the chemicals used at the start of the reaction
- smaller negative particles orbiting the nucleus
- Male part of a flower
- change new chemical formed, not easily reversed
- A way of storing nutrients for the seeds.
- bundles of tubes that are joined from roots to the leaves.
- Contains half the information for a new plant
- the solid produced when 2 liquids react
- How all living things turn food & O2 into energy. Happens 24/7
- How water moves through a plant
- when 2 smaller chemicals join in a reaction
- equation shows what chemical are at the start and at the end of a reaction
- the chemicals made by the equation
- Process that plants use to make their own food & oxygen
- the study of matter and how it behaves
- a factory that contains chlorophyll to carry out photosynthesis
- pure substances containing only one type of atom
- new chemicals are made
- change in appearance, easily reversible
- a reaction with oxygen ( burning )
- Large molecule made with lots of sugar molecules joining together
- 2 or more different atoms joined together
- number of protons in an atom
- food made by plants ( type of sugar)
- Small hole under the leaf to allow gas exchange
- cycle How carbon atoms are used and recycled
- Female part of the flower
- Colored parts of the flower to attract insects
- + O2 → CO2 + H2O + energy
60 Clues: contains the egg • Male part of a flower • Female part of the flower • + O2 → CO2 + H2O + energy • new chemicals are made • Tubes that carry plant food • number of protons in an atom • How water moves through a plant • Tubes that carry water up a plant • + CO2 + H2O → Food ( glucose) + O2 • food made by plants ( type of sugar) • two or more atoms joined together • ...
Chemistry: Phase Changes 2014-06-04
Across
- The term used to describe the movement of one material through another.
- The law that allows the total pressure of a mixture of gases to equal to the sum of the pressures of all the gases in the mixture.
- As you climb a mountain, the atmospheric pressure will ________.
- What law describes the nature of how the orderly state goes into the disorderly state.
- Has a definite shape and closely packed particles.
- An empty space with no particles and no pressure.
- When the three substances (solid, liquid, and gas) are in equilibrium.
- In Boyle's gas law, the volume of the gas varies _________ with the pressure.
- Energy The energy an object has because of its motion.
- The escaping of gas through a small opening.
Down
- The conversion of liquid to gas.
- When a liquid is heated to a temperature at which particles throughout the liquid have enough kinetic energy to vaporize once the liquid begins to boil.
- The law that allows you to do calculations when the gas is constant (P1V1/T1 = P2V2/T2).
- The conversion of liquid to gas, also known as the cooling process.
- An increase in this will cause the molecules in a substance to move more rapidly.
- Flows and can take the shape of it's container but has intermolecular attractions to keep the particles close together.
- The conversion of a gas to a solid.
- The conversion of gas to solid.
- Consists of tiny particles that constantly moves rapidly and randomly.
- The SI unit to measure temperature and it must be used for all gas laws (C + 273 = K)
20 Clues: The conversion of gas to solid. • The conversion of liquid to gas. • The conversion of a gas to a solid. • The escaping of gas through a small opening. • An empty space with no particles and no pressure. • Has a definite shape and closely packed particles. • Energy The energy an object has because of its motion. • ...
Chemistry Crossword Puzzle 2016-01-07
Across
- bond/the bond formed when two atoms share electrons
- order for neutralization to occur, a salt and ____ must be made in a reaction
- compound/compounds formed with no metals
- gases/the most stable element group on the periodic table is the _______
- that change colour depending on if it is exposed to a acid or base
- atom that has either gained or lost an electron
- ability to be dissolved into a liquid
- reaction in which molecules break down
- naturally found in pairs
- reaction that occurs when two different atoms join together to make a --molecule
Down
- ability for a material to be stretched
- acid/HNO3
- + O2 → H2O + CO2
- lowest temperature that a liquid will ignite
- acid
- metals/the first group on the periodic table is the __________
- displacement/the reaction when two different molecules switch atoms
- ability for a material to be flattened or rolled
- shell/the outermost shell in an atom
- compound/compounds that have both a metal atom and a nonmetal atom
20 Clues: acid • acid/HNO3 • + O2 → H2O + CO2 • naturally found in pairs • shell/the outermost shell in an atom • ability to be dissolved into a liquid • ability for a material to be stretched • reaction in which molecules break down • compound/compounds formed with no metals • lowest temperature that a liquid will ignite • atom that has either gained or lost an electron • ...
Organic Chemistry 2 2015-12-09
Across
- C triple bond C
- The reaction that results in a product with an aldahyde and ketone is ___
- Ortho para directors are called __
- A molecule that accepts electrons in a reaction __
- A way to add substituents to an aromatic ring.
- The carbon one away from the carbonyl is the ___ carbon.
- Intramolecular claisen condensation involves two __
- EWG's __ aromatic rings.
- Lower Pka means that it is more ___
- Combination of Michael and aldol reactions to form a double ring.
- The carbon two away from the carbonyl is the ___ carbon.
- amine group with a c=o next to it
- carbonyl with a carbon and hydrogen at each end respectively.
Down
- carbonyl with two carbons on each end.
- methyl groups with (N-) are attached to a(n)
- The base in a claisen reaction must be the same as the _____
- C=C
- meta directors are called ___
- __ reaction froms a c=c from two reactants using ylides
- ___ reaction is between a conjugated diene and substituted alkene.
- when removing alpha hydrogens the reaction favors ones that allow more __
- benzene with one methyl group
- grignard reactions attack a ketone or aldehyde and adds an R group, the ketone or aldehyde converts to a(n)
- A molecule that donates electrons in a reaction __
- O=C-OH
- C-C
- EDG's __ aromatic rings.
- The hydrogen on the alpha carbon is ___
- Two ketones in an Aldol reaction it will be ____
- conjugated systems allow more
- Acetoacetic ester has ____ ester(s).
31 Clues: C=C • C-C • O=C-OH • C triple bond C • EWG's __ aromatic rings. • EDG's __ aromatic rings. • meta directors are called ___ • benzene with one methyl group • conjugated systems allow more • amine group with a c=o next to it • Ortho para directors are called __ • Lower Pka means that it is more ___ • Acetoacetic ester has ____ ester(s). • carbonyl with two carbons on each end. • ...
Study Guide: Chemistry 2016-02-11
Across
- Something mixed to get a reaction
- Matter can be changed from one form into another
- Mass of atomic particle
- Releasing
- Smallest particle of a substance
- Absorbing
- No electrical charge, apart of the nucleus
- Formulated periodic law, chemist, and inventor
- Substance formed from two elements
- Brittle, poor heat conductors
Down
- Has negative charge of electricity, travels around nucleus
- Putting thin coat of metal around
- Number of protons
- Electrons in the outer shell of an atom
- 2,8,8,2
- Part of the nucleus of an atom
- Partially conduct electricity
- Column of elements
- Outcome of chemical reaction
- He, Ne, Ar, Kr, Xe, Rn, Uuo
- Left hnadside, 1-7
- Positively charged central portion of an atom, atomic mass consists of protons and neutrons
- Subdivision of a nuclear shell containing zero, one, or two electrons
- Smallest particle in chemical element
24 Clues: 2,8,8,2 • Releasing • Absorbing • Number of protons • Column of elements • Left hnadside, 1-7 • Mass of atomic particle • He, Ne, Ar, Kr, Xe, Rn, Uuo • Outcome of chemical reaction • Partially conduct electricity • Brittle, poor heat conductors • Part of the nucleus of an atom • Smallest particle of a substance • Putting thin coat of metal around • Something mixed to get a reaction • ...
Classroom Chemistry Vocabulary 2016-02-01
Across
- Two or more materials mixed together
- What you start with in a reaction
- Everything is made of this
- pH value of around 7
- Higher pH number
- You cannot get it back to the way it was
- A new substance is formed and you may see a colour change
- Material looks different, but it is still the same substance
Down
- What you end up with after a reaction
- When a substance is mixed with a liquid
- The solid that is dissolved
- You can return the material to its initial state
- Low pH number
- Particles are close together, moving more slowly
- Particles are very spread apart, moving very fast
- Can be used to determine the pH of a substance
- The liquid that does the dissolving
- Particles are spaced further apart, moving faster than a solid
- Scale used to show how acidic or basic a substance is
- Type of paper that shows if a substance is acid or base only
20 Clues: Low pH number • Higher pH number • pH value of around 7 • Everything is made of this • The solid that is dissolved • What you start with in a reaction • The liquid that does the dissolving • Two or more materials mixed together • What you end up with after a reaction • When a substance is mixed with a liquid • You cannot get it back to the way it was • ...
Chemistry Study Guide 2016-02-10
Across
- any group of rare gases that include helium, neon, etc.
- regions of space outside the nucleus of an atom.
- a pure substance that has only one kind of atom in it.
- mass is an isolated system, is neither created nor destroyed by chemical reactions or physical transformations.
- an element intermediate in properties between the typical metal and nonmetal.
- when two atoms of different elements combine.
- no electric charge, part of the nucleus of all atoms except hydrogen atoms.
- Russian chemist who created the periodic table.
- atomic particles that move around the nucleus of an atom, carry negative charge.
- the substance(s) that made the change.
- when two or more atoms combine.
- the mass of an atom usually expressed in these units.
- (on the P.T.) row of elements.
Down
- the ______ used to show what an element is.
- a small particle of matter that is part of the nucleus of an atom.
- occurred when energy is absorbed making the object cooler.
- the positively charged center of the atom.
- smallest particle with a positive chard.
- a chemical element that lacks the characters of a metal.
- the electrons in the outer most orbital.
- represents the numbers of protons in the nucleus.
- the resulting substance from the reactant.
- a substance that usually has a shiny apperance, good conductor of electricity and heat.
- occurred when energy is released in the form of heat.
- (on the P.T.) column of elements.
- is a reaction that occurred in which a layer of metal is bonded to the surface of another substance, which is usually another metal.
26 Clues: (on the P.T.) row of elements. • when two or more atoms combine. • (on the P.T.) column of elements. • the substance(s) that made the change. • smallest particle with a positive chard. • the electrons in the outer most orbital. • the positively charged center of the atom. • the resulting substance from the reactant. • the ______ used to show what an element is. • ...
Chemistry Study Crossword 2016-02-10
Across
- usually the number of electrons or protons
- a neutrally charged piece of an atom
- coating a metal with a metal
- on the far right of the table
- takes in energy
- electrons in the outer orbital
- a positively charged piece of an atom
- two atoms bonded together
- created the first periodic table
- weight of an element
- center of an atom
Down
- one type of atom- a pure substance
- Na is sodium's ____________.
- you can't create or destroy matter.
- what goes into an experiment
- a column on the table
- a "string" of atoms,
- what comes out of an experiment
- a level of electrons in an atom
- usually shiny, ductile.
- releases energy
- a horizontal line on the table
- does not conduct electricity well.
- both a metal and a non metal
- a negatively charged piece of an atom
- smallest piece of matter
26 Clues: takes in energy • releases energy • center of an atom • a "string" of atoms, • weight of an element • a column on the table • usually shiny, ductile. • smallest piece of matter • two atoms bonded together • Na is sodium's ____________. • what goes into an experiment • coating a metal with a metal • both a metal and a non metal • on the far right of the table • ...
Organic Chemistry Crossword 2016-03-27
Across
- an addition reaction in which the two substituents to be added are added to the same side of the molecule
- a bond formed as a result of side to side overlap of P orbitals
- a compound with two halogen atoms bonded to the same carbon
- a substance that increases the rate of a reaction
- non-superimposable mirror image molecule
- the 3D shape of a molecule at a given point in time
- delocalization of electrons by the overlap of a sigma orbital with an empty orbital
- the group that is displaced or replaced in a substitution reaction
- the rearrangement of a carboncation to a more stable carboncation
- the tendency of an atom to pull electrons towards itself
- an electron deficient atom or molecule, electron loving molecule
- the interconversion of tautomers
- a molecule or object that contains symmetry. An achiral molecule is superimposable on its mirror image
- a solvent that has a hydrogen bonded to an oxygen or a nitrogen atom
- a measure of how easily a compound gives up a proton
- a species that accepts an electron pair
Down
- a one step, nucleophilic substitution reaction
- addition of Hydrogen in a reaction
- a molecule that rotates the plane of polarization of plane polarized light
- an atom that is bonded to four different substituents
- a state of the molecule where old bonds are partially broken and new bonds are partially formed
- description of step by step process of how the reactants are changed into products
- the tendency of distortion of the electron cloud of an atom by another ion
- addition of water to a compound in a reaction
- the interaction between a solvent and another molecule or ion
- reaction with a solvent
- having delocalized electrons
27 Clues: reaction with a solvent • having delocalized electrons • the interconversion of tautomers • addition of Hydrogen in a reaction • a species that accepts an electron pair • non-superimposable mirror image molecule • addition of water to a compound in a reaction • a one step, nucleophilic substitution reaction • a substance that increases the rate of a reaction • ...
CLINICAL CHEMISTRY 3 2016-03-20
Across
- Term used to distinguish neuroendocrine tumors carcinomas of GI tract.
- Disorder due to malabsorption of nutrients due to sensitivity to gliadin.
- Overlooked as a cause of chronic diarrhea
- Results from mucosal and neuromuscular infiltration.
- In acute infectious diarrhea, glucagon concentrations, PYY and motilin are____?
- Also called blind loop syndrome.
- Pathologic state of Impared nutrient absorption in the intestinal tract.
- ___ maldigestion results from competition of bacteria or altered bacterial flora.
- Rare tumor that secretes glucagon.
- Detects blood in the stool.
- Term typically reserved for Clostridium dificcile.
- ____ adenocarcinoms that are malignant epithelial tumors composed of mucin producing glandular structures.
- Also known as migratory thrombophlebitis.
- Tumor marker for colorectal and pancreatic carcinoma.
- Stain for fat in the microscopic examination.
Down
- A gastrin-secreting non-B cell pancreatic tumor that cause peptic ulcer disease.
- First group of tumor markers identified for cancer.
- Rare tumors that secrete vasoactive intestinal polypeptide.
- RAre multisystem disease that presents with arthralgias, diarrhea, malabsorption amd wheightloss.
- Disorder characterized by defective assembly and secretion of apolipoprotein B.
- Help distinguish abdominal pain seen in irritable bowel syndrome from inflammatory bowel syndrome.
- Provides a presumptive diagnosis of lactase deficiency.
- Severe secretory diarrhea produces by VIPomas.
- ___ maldigestion occurs from interference or obstruction of bile flow.
- Optimal diagnostic test for Antibiotic Associated Diarrhea
- Acute painless dilation of the bile duct obstruction by tumor in most cases.
- Early diagnosis of pancreatic carcinoma is unusual.
- Derived from B cells and produce insulin that induces hypoglycemia.
- _____ examination is the gold standard for celiac disease.
- Results from an intraluminal defect that leads to the incomplete breakdown of nutrients.
30 Clues: Detects blood in the stool. • Also called blind loop syndrome. • Rare tumor that secretes glucagon. • Overlooked as a cause of chronic diarrhea • Also known as migratory thrombophlebitis. • Stain for fat in the microscopic examination. • Severe secretory diarrhea produces by VIPomas. • Term typically reserved for Clostridium dificcile. • ...
CLINICAL CHEMISTRY 3 2016-03-20
Across
- Term used to distinguish neuroendocrine tumors carcinomas of GI tract.
- Disorder due to malabsorption of nutrients due to sensitivity to gliadin.
- Overlooked as a cause of chronic diarrhea
- Results from mucosal and neuromuscular infiltration.
- In acute infectious diarrhea, glucagon concentrations, PYY and motilin are____?
- Also called blind loop syndrome.
- Pathologic state of Impared nutrient absorption in the intestinal tract.
- ___ maldigestion results from competition of bacteria or altered bacterial flora.
- Rare tumor that secretes glucagon.
- Detects blood in the stool.
- Term typically reserved for Clostridium dificcile.
- ____ adenocarcinoms that are malignant epithelial tumors composed of mucin producing glandular structures.
- Also known as migratory thrombophlebitis.
- Tumor marker for colorectal and pancreatic carcinoma.
- Stain for fat in the microscopic examination.
Down
- A gastrin-secreting non-B cell pancreatic tumor that cause peptic ulcer disease.
- First group of tumor markers identified for cancer.
- Rare tumors that secrete vasoactive intestinal polypeptide.
- RAre multisystem disease that presents with arthralgias, diarrhea, malabsorption amd wheightloss.
- Disorder characterized by defective assembly and secretion of apolipoprotein B.
- Help distinguish abdominal pain seen in irritable bowel syndrome from inflammatory bowel syndrome.
- Provides a presumptive diagnosis of lactase deficiency.
- Severe secretory diarrhea produces by VIPomas.
- ___ maldigestion occurs from interference or obstruction of bile flow.
- Optimal diagnostic test for Antibiotic Associated Diarrhea
- Acute painless dilation of the bile duct obstruction by tumor in most cases.
- Early diagnosis of pancreatic carcinoma is unusual.
- Derived from B cells and produce insulin that induces hypoglycemia.
- _____ examination is the gold standard for celiac disease.
- Results from an intraluminal defect that leads to the incomplete breakdown of nutrients.
30 Clues: Detects blood in the stool. • Also called blind loop syndrome. • Rare tumor that secretes glucagon. • Overlooked as a cause of chronic diarrhea • Also known as migratory thrombophlebitis. • Stain for fat in the microscopic examination. • Severe secretory diarrhea produces by VIPomas. • Term typically reserved for Clostridium dificcile. • ...
Chemistry Bonding Puzzle 2016-04-25
Across
- energy/ the energy required to break a chemical bond and form neutral isolated atoms
- covalent bond/ a bond in which two atoms share two pairs of electrons
- unit/ the simplest collection of atoms from which an ionic compound's formula can be established
- the simplest structural unit of an element or compound
- bonding/ results from the sharing of electron pairs between two atoms
- ions/ They consist of a single atom with a positive or negative charge resulting from the loss or gain of electrons.
- bonding/ the chemical bonding that results from the attraction between metal atoms and the surrounding sea of electrons
- formula/ a chemical formula showing the ratio of elements in a compound rather than the total number of atoms
- bonding/ the intermolecular force in which a hydrogen atom that is bonded to a highly electronegative atom is attracted to an unshared pair of electrons of an electronegative atom in a nearby molecule
Down
- covalent bond/ a covalent bond in which electrons are not shared equally
- valence/ atoms gain more than 8 valence electrons
- numbers/ Shows how many electrons can be shared, lost or gained to become stable; you cancel out the valence numbers to make the compound
- polarity/ the uneven distribution of molecular charge
- ions/ ions that are made of more than one atom
- structures/ formulas in which atomic symbols represent nuclei and inner-shell electrons, dot-pairs or dashes between two atomic symbols represent electron paris in covalent bonds, and dots adjacent to only one atomic symbol represent unshared electrons
- formula/ a representation of a substance using symbols for its constituent elements
- covalent bond/ a bond formed by sharing three pairs of electrons
- covalent bond/ a covalent bond in which the bonding electrons are shared equally by the bonded atoms, resulting in a balanced distribution of electrical charge
- covalent bond/ a bond formed when two atoms share a pair of electrons
- molecular compounds/ Non metal and a non metal has charges in the name
- compound/ a compound that consists of positive and negative ions
21 Clues: ions/ ions that are made of more than one atom • valence/ atoms gain more than 8 valence electrons • polarity/ the uneven distribution of molecular charge • the simplest structural unit of an element or compound • covalent bond/ a bond formed by sharing three pairs of electrons • compound/ a compound that consists of positive and negative ions • ...
Chemistry of Biology 2016-10-04
Across
- positive charge
- basic unit of matter
- any compound that forms H+ ions in a solution
- no charge
- bond where electrons are transferred from 1 atom to another
- proteins that speed up chemical reactions of cell
- bond where electrons are shared between atoms
- substance that does the dissolving
- parts are unevenly mixed
- mixture of water and undissolved materials
- attraction between molecules of different substances
- pure substance consisting of all the same type of atom
Down
- Cl- ion
- the charge if an atom gains electrons
- the charge if an atom loses electrons
- substance that is dissolved
- when electrons are gained or lost what are formed
- parts are very evenly mixed
- negative charge
- homogeneous mixture
- chemical combination of 2 or more elements
- Na+ ion
- attraction between molecules of same substance
- H20
- any compound that forms OH- ions in a solution
25 Clues: H20 • Cl- ion • Na+ ion • no charge • positive charge • negative charge • homogeneous mixture • basic unit of matter • parts are unevenly mixed • substance that is dissolved • parts are very evenly mixed • substance that does the dissolving • the charge if an atom gains electrons • the charge if an atom loses electrons • chemical combination of 2 or more elements • ...
Chemistry Vocabulary Crossword 2016-10-13
Across
- Negative orbital
- (2 words)Fixed amount of energy
- Hertz(hZ)
- (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
- (2 words)Electron distribution
- Combining
- (2 words)Number that organizes the periodic table
- Example lightning
- A certain amount
- Has a negative charge
- Dividing
- Has a positive charge
Down
- (2 words)X-rays
- The center
- (2 words)Total Number of protons and neutrons
- "what goes aroung comes around"
- Example-light particle
- (2 words)Cloud of negative energy in Bohr model
- Example-soundwaves
- (2 words) Time it takes to divide in half
- (2 words) Radioactive Decay
- (2 words)Atomic Rainbow
- (3 words)Helium's *blank* is 4.003
- Candium's *blank* is 1.81g
- Has no 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 negative charge • Has a positive 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 • ...
Fun with Chemistry 2016-10-13
Across
- Sum of protons and Neutrons on the periodic table
- introduced by Niels Bohr and Ernest Rutherford in 1913
- the action of dividing or splitting something into two or more parts
- It is used to describe where electrons are when they go around the nucleus of an atom.
- the basic unit of a chemical element.
- is an electron orbital.
- the distance between successive crests of a wave
- you need this to keep you moving throughout the day
- each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons
- Halfway living is refered to as a........
- Negative charge in an atom
- kind of radiation including visible light, radio waves, gamma rays, and X-rays
- number on the top left box on every element on the periodic table
- Nickelodeon's Brainiac- "Jimmy......."
Down
- process by which the nucleus of an unstable atom loses energy by emitting radiation,
- gives the atom or molecule a net positive or negative electrical charge
- is the distribution of electrons of an atom or molecule.
- Located in the center of an atom
- a spectrum of the electromagnetic radiation emitted by a source.
- the act of something circling around an object.....(add "al" at the end of that word)
- the fixed amount of energy that a system described by quantum mechanics, such as a molecule, atom, electron, or nucleus, can have.
- The spontaneous transformation of an unstable atomic nucleus into a lighter one
- Symbolized AMU
- a particle representing a quantum of light or other electromagnetic radiation. A photon carries energy proportional to the radiation frequency but has zero rest mass.
- process or result of joining two or more things together to form a single entity.
- plural of quantum
- usually how often something occurs is called the......
- An Electrons' archnemesis.
28 Clues: Symbolized AMU • plural of quantum • is an electron orbital. • Negative charge in an atom • An Electrons' archnemesis. • Located in the center of an atom • the basic unit of a chemical element. • Nickelodeon's Brainiac- "Jimmy......." • Halfway living is refered to as a........ • the distance between successive crests of a wave • ...
Chemistry revision crossword 2023-10-31
Across
- A substance which exists in the solid-state, which is one of the four fundamental states of matter.
- Are made up of neutrons, protons and electrons
- A substance that can be dissolved by a solvent to create a solution
- A silvery-white metallic chemical element in the periodic table, with atomic number 92.
- A substance made up of two or more different chemical elements combined in a fixed ratio.
- Are the simplest forms of matter.
- Is made up of atoms
- A chemical process in which a substance reacts rapidly with oxygen and gives off heat.
- A colourless, odourless, highly flammable gas, the chemical element of atomic number 1
- An atom or group of atoms that has an electric charge.
- The process by which green plants and some other organisms use sunlight to synthesize nutrients from carbon dioxide and water.
- A transition metal and a group 11 element.
- A chemical process in which a substance reacts rapidly with oxygen and gives off heat.
- Are opaque, lustrous elements that are good conductors of heat and electricity.
- The particle in the atomic nucleus with a mass = 1 and charge = 0.
Down
- One of the alkaline-earth metals of Group 2 (IIa) of the periodic table, and the lightest structural metal.
- A substance that speeds up a chemical reaction, or lowers the temperature or pressure needed to start one, without itself being consumed during the reaction.
- A physical combination of two or more substances that aren't chemically joined.
- The chemical element of atomic number 2, an inert gas which is the lightest member of the noble gas series
- A substance that is in a gaseous, or vaporous, state of matter.
- A negatively charged subatomic particle that can be either bound to an atom or free (not bound).
- A subatomic particle with a positive electric charge.
- A chemical element with the symbol He and atomic number 2.
- Any substance, usually liquid, which is capable of dissolving one or several substances, thus creating a solution.
- The processes by which chemicals interact to form new chemicals with different compositions.
- A soft metal, reactive and with a low melting point, with a relative density of 0,97 at 20ºC
- Any hydrogen-containing substance that is capable of donating a proton (hydrogen ion) to another substance.
- The chemical process by which organic compounds release energy.
- A type of matter with specific properties that make it less rigid than a solid but more rigid than a gas.
29 Clues: Is made up of atoms • Are the simplest forms of matter. • A transition metal and a group 11 element. • Are made up of neutrons, protons and electrons • A subatomic particle with a positive electric charge. • An atom or group of atoms that has an electric charge. • A chemical element with the symbol He and atomic number 2. • ...
CHEMISTRY OF LIFE 2023-11-15
Across
- What enzyme helps digest carbohydrates?
- Salt farming is based on what separation principle?
- What type of food should Thalassemia eat?
- Which gas is the most toxic to the body?
- Where can glycogen be found in?
- Sodium hypochloride is an ______ in bleach.
- Which element is most commonly found in the human body?
- Carbonic acid can remove rust stains from ____.
- Subunits of carbohydrates include ____sugar molecule
- What is the common household name for sucrose?
Down
- What type of alcohol drinks is used?
- Materials that can be used to make water bottles?
- Vinegar is made by_____grains, fruit, or sugar with yeast.
- Where does digestion occur first?
- Carbohydrates provide the most____.
- Factories, cars, and fires are some of the causes of____ problems.
- The substance that gives the most energy is_____.
- What is the chemical name for table salt?
- Water molecules are held together by_____bonds?
- What is the substance used in the reaction called?
20 Clues: Where can glycogen be found in? • Where does digestion occur first? • Carbohydrates provide the most____. • What type of alcohol drinks is used? • What enzyme helps digest carbohydrates? • Which gas is the most toxic to the body? • What type of food should Thalassemia eat? • What is the chemical name for table salt? • Sodium hypochloride is an ______ in bleach. • ...
Chemistry Crossword Puzzle 2023-12-12
Across
- Properties Does not depend on the amount of matter present.
- A positive charge that causes the atom to lose valence electrons.
- Mixture Components that are evenly mixed.
- Properties Describes how a substance changes into new substances by either combining or breaking apart from other elements.
- Ions Groups of atoms that stay together and have an overall charge. and one name.
- Metals Metals that use roman numerals to indicate their charge.
- A substance that is made up of only one type of atom.
- Atoms or groups of atoms that either have a positive or negative charge.
- Two or more pure substances that are combined together.
- A number that indicates the number of atoms of an element.
Down
- Electrons Electrons on the outermost shell of an element.
- Properties Characteristics that can be seen without changing the identity.
- Substance Matter that has only one of chemical and physical properties.
- A measure of tendency of an atom to attract electrons towards itself.
- Two or more elements chemically combining together.
- Properties Depends on the amount of matter present.
- A combination of symbols that represent a compound.
- Energy The energy required to remove electrons from a neutral atom of an element.
- A negative charge that causes the atom to gain valence electrons.
- Mixture Components that are unevenly distributed.
20 Clues: Mixture Components that are evenly mixed. • Mixture Components that are unevenly distributed. • Two or more elements chemically combining together. • Properties Depends on the amount of matter present. • A combination of symbols that represent a compound. • A substance that is made up of only one type of atom. • ...
Chemistry Crossword Puzzle 2023-12-12
Across
- Characteristics that can be seen without changing the identity.
- Groups of atoms that stay together and have an overall charge. and one name.
- Atoms or groups of atoms that either have a positive or negative charge.
- A combination of symbols that represent a compound.
- A negative charge that causes the atom to gain valence electrons.
- A substance that is made up of only one type of atom.
- A number that indicates the number of atoms of an element.
- Components that are unevenly distributed.
- Does not depend on the amount of matter present.
- Matter that has only one of chemical and physical properties.
- Two or more elements chemically combining together.
- Depends on the amount of matter present.
- A positive charge that causes the atom to lose valence electrons.
Down
- Two or more pure substances that are combined together.
- A measure of tendency of an atom to attract electrons towards itself.
- Components that are evenly mixed.
- Metals that use roman numerals to indicate their charge.
- The energy required to remove electrons from a neutral atom of an element.
- Describes how a substance changes into new substances by either combining or breaking apart from other elements.
- Electrons on the outermost shell of an element.
20 Clues: Components that are evenly mixed. • Depends on the amount of matter present. • Components that are unevenly distributed. • Electrons on the outermost shell of an element. • Does not depend on the amount of matter present. • A combination of symbols that represent a compound. • Two or more elements chemically combining together. • ...
Chemistry Unit 1 2023-12-19
Across
- Number of __ is the atomic number of an element
- Made up of more than one type of atom
- Columns in the periodic table are called __
- __ of an atom = Protons - Electrons
- Lower level to Higher level __ energy
- Small jumps release __ light (color)
- __ are versions of the same element but with different masses
- Higher level to Lower level __ energy
- __'s equation = 6.62 x 10^-34 J-s
- Speed of __ = 3.0 x 10^8 m/s
Down
- Atoms are made up of this, positive
- Long wavelength = low frequency = __ energy
- __ number = number of protons
- A particle of light
- Short wavelength = high frequency = __ energy
- Atoms are made up of this, neutral
- Rows in the periodic table are called __
- Protons + Neutrons = __
- Atoms are made up of this, negative
- Big jumps release __ light (color)
- There are __ energy levels
- Made up of only one type of atom
22 Clues: A particle of light • Protons + Neutrons = __ • There are __ energy levels • Speed of __ = 3.0 x 10^8 m/s • __ number = number of protons • Made up of only one type of atom • __'s equation = 6.62 x 10^-34 J-s • Atoms are made up of this, neutral • Big jumps release __ light (color) • Atoms are made up of this, positive • __ of an atom = Protons - Electrons • ...
Chemistry Unit 2 2024-01-29
Across
- Mass in grams of one mole of a substance
- Introduced the idea of the atom around 400 BC
- credited with discovering the Neutron
- One electron must occupy each orbital before pairing
- electrons fill up the lowest available energy levels first
- Atoms of the same element with different numbers of neutrons
- use quantum numbers to show likely locations of electrons in atoms
- These are important because they help hold protons together in the nucleus
- electrons orbit the nucleus, much like planets orbit the sun
- 6.022x10^23
- used a magnet to determine the charge on the beam
- When the nucleus of an atom is unstable, it releases particles and/or energy to become stable
- Model of the atom that is accepted today
Down
- assumed electrons were embedded in a positive ball
- "No two electrons in the same atom can have the same set of quantum numbers
- Number of moles of a solute divided by liters of solution
- Atoms with a charge
- combined ideas of others to form an atomic theory
- a way to easily convert between units in an organized manner
- He discovered the electron
- This explained why electrons don't crash into the nucleus: electrons can only exist at certain energy levels around the nucleus- their energies are quantized
- These have the smallest mass
- He discovered the positively charged proton in the nucleus
- a unit of measurement that is the amount of a pure substance containing the same number of chemical units
24 Clues: 6.022x10^23 • Atoms with a charge • He discovered the electron • These have the smallest mass • credited with discovering the Neutron • Mass in grams of one mole of a substance • Model of the atom that is accepted today • Introduced the idea of the atom around 400 BC • combined ideas of others to form an atomic theory • used a magnet to determine the charge on the beam • ...
Chemistry Unit 1 2023-12-20
Across
- What is made in a chemical reaction
- Can be bent and shaped without breaking
- Sub-atomic particle with -1 charge
- Dangerous gas produced during incomplete combustion
- Centre of the atom
- Element symbol is Na
- Chemical used to test for carbon dioxide
- Sub-atomic particles with +1 charge
- Gas needed for combustion
- Shells surrounding the nucleus
Down
- Element symbol is Zn
- The scientific term for burning
- Element symbol is C
- Splint used to test for oxygen
- Sub-atomic particle with no charge
- Metal + Oxygen --> _______________
- A substance containing 2 or more elements chemically joined together
- Solid Carbon
- Found on the periodic table
- Makes a ringing sound when hit
- What you start with in a chemical reaction
- Can be stretched out into wires without breaking
- Splint used to test for hydrogen
23 Clues: Solid Carbon • Centre of the atom • Element symbol is C • Element symbol is Zn • Element symbol is Na • Gas needed for combustion • Found on the periodic table • Splint used to test for oxygen • Makes a ringing sound when hit • Shells surrounding the nucleus • The scientific term for burning • Splint used to test for hydrogen • Sub-atomic particle with no charge • ...
Chemistry Unit 2 2023-12-22
Across
- Bonding between non-metal atoms
- _______ shells where electrons are found in an atom
- Formed when an atom loses or gains an electron
- ________ electrons that are free to move and carry a charge
- How covalent bonds are formed - _________ pairs of electrons
- Property of fullerene which allows them to transport drugs
- _________ forces between molecules
- Property of group 0 elements because they have a full outer shell of electrons
- First fullerene discovered
- Structure of carbon nanotube
- Describe strong covalent bonds
Down
- Property of graphite because of its layers
- Charge of a non-metal ion
- Charge of a metal ion
- Giant covalent structure has 3 bonds per carbon atoms
- State when ions are free to move in an ionic structure and carry a charge
- Graphite is arranged in _________________
- state symbol is (l)
- Giant covalent structure has 4 bonds per carbon atoms
- Bonding between metals and non-metals
- Forces between oppositely charged ions
- Shape of the buckminsterfullerene
- A single layer of graphite
- state symbol is (g)
- _________ gases - name of group 0 elements
- Centre of the atom
26 Clues: Centre of the atom • state symbol is (l) • state symbol is (g) • Charge of a metal ion • Charge of a non-metal ion • A single layer of graphite • First fullerene discovered • Structure of carbon nanotube • Describe strong covalent bonds • Bonding between non-metal atoms • Shape of the buckminsterfullerene • _________ forces between molecules • Bonding between metals and non-metals • ...
Chemistry Crossword Puzzle 2023-12-07
Across
- meaning one
- a negatively charged ion
- a positively charged ion
- electrons are delocalized among metal atoms
- orbit the nucleus in stated areas or energy levels
- positively charged particles and controls the identity of the atom
- how much matter occupies a given amount of space
- the elements found in group 17 are called
- attraction an atom has for a shared pair of electrons
- an element that has properties that are intermediate between those of metals and nonmetals
- a chemical bond that involves the sharing of electrons to form electron pairs between atoms
Down
- negligible particles and controls the mass of an atom
- the central part of the atom
- a set of rules to generate systematic names for chemical compounds
- anything that can occupy a space and has mass
- atoms of the same element but having different mass
- attraction between atoms or ions that enables the formation of molecules, crystals, and other structures
- electrons are transferred from metal to nonmetal
- smallest particle of an element
- meaning two
20 Clues: meaning one • meaning two • a negatively charged ion • a positively charged ion • the central part of the atom • smallest particle of an element • the elements found in group 17 are called • electrons are delocalized among metal atoms • anything that can occupy a space and has mass • how much matter occupies a given amount of space • ...
Matter and Chemistry 2023-12-04
Across
- different things in a mixture
- Alkali metals,Alkalin earth metals,Transition metals, boon, carbon,nitrogen,oxygen,Halogens,and noble gases
- electrons on the outer ring of the electron cloud
- solids,liquids,and gases
- positive,determines the identy of a element
- state of matter the is a solid object
- the protons plus neutrons
- zero charge,found in nuclues
- the point at wich something melts
- satate of matter the takes the shape of its contaner
- two or more substances combine
Down
- two or more different elements
- the same amount of indergents like salt to water
- the abuilty to dissolve
- things that cannot be separate into simpler substances by phiscal or chemical means
- the point at wich something boils
- negative charged, in electron cloud
- the table of elements
- the number of electron shells
- the building blocks of matter that make up everything
- state of matter the floats freely in a container
- the number of protons in the period table of elements
- the center of an atom
23 Clues: the table of elements • the center of an atom • the abuilty to dissolve • solids,liquids,and gases • the protons plus neutrons • zero charge,found in nuclues • different things in a mixture • the number of electron shells • two or more different elements • two or more substances combine • the point at wich something boils • the point at wich something melts • ...
Cooking with chemistry 2024-02-06
Across
- base and acid combining to release Co2
- water spreading through chicken
- yeast eating sugars and producing Co2
- yeast is an agent of it
- dulce de leche
- what happens to pasta
- found in the sea
Down
- lemons & limes
- seasonings spreading evenly
- goes from one to fourteen
- browning and nutty flavors
- air giving lift
- egg whites going from clear to white
- mustard
- alcohol, salt, heat, & acid cause it
- heat transferring from one object to another
- olive oil & butter
- fire
- Kneading cases it
- cold water molecules moving to warm areas and vice versa
20 Clues: fire • mustard • lemons & limes • dulce de leche • air giving lift • found in the sea • Kneading cases it • olive oil & butter • what happens to pasta • yeast is an agent of it • goes from one to fourteen • browning and nutty flavors • seasonings spreading evenly • water spreading through chicken • egg whites going from clear to white • alcohol, salt, heat, & acid cause it • ...
SOL 6.5 Chemistry 2024-02-04
Across
- Subatomic particle with a negative charge that orbits the nucleus
- Atoms of the same element but have a different number of neutrons
- Its chemical symbol is O
- This element has 8 protons
- This element has 6 protons
- This element has 9 protons
- Atoms are ___ when they have the same number of protons and electrons
- Represents the number of protons in an element
- Its chemical symbol is Na
- Positive subatomic particle found in the nucleus of an atom
- Subatomic particle in the nucleus with no charge
- This element has 1 proton
- The maximum number of electrons that the 2nd shell can hold
- The basic building blocks of all matter
Down
- The sum of protons + neutrons
- This element has 2 protons
- Elements are organized on this by atomic number
- The element that has 10 protons
- The one or two letter abbreviation for an element
- This element has 3 protons
- This element has 7 protons
- The part of an atom that contains the protons and neutrons
- Anything that has mass and takes up space
23 Clues: Its chemical symbol is O • Its chemical symbol is Na • This element has 1 proton • This element has 2 protons • This element has 8 protons • This element has 6 protons • This element has 3 protons • This element has 9 protons • This element has 7 protons • The sum of protons + neutrons • The element that has 10 protons • The basic building blocks of all matter • ...
Chemistry of Life 2022-10-17
Across
- the attraction of particles of the same substance
- compounds that form extra hydroxide ions when dissolved in water
- an enzyme that attaches to a substrate
- a substance that reacts to prevent pH changes in a solution
- a group of atoms held together by covalent bonds
- substance made of bonded atoms of two or more different elements
- an organic molecule that acts as the main energy source for cell processes
- material that contains the information that determines inherited characteristics
- a substance made up of atoms with the same number of protons
- an atom or group of atoms that have an electric charge because it has gained or lost electrons
- molecule that acts as a catalyst in biochemical reactions
- another class of biomolecules that include fats, etc
- a substance that forms a chemical reaction
- the minimum amount of energy required to start a chemical reaction
Down
- molecule of amino acids, building blocks that link to form proteins
- the outermost level or shell of an atom are called valence electrons
- an organic compound that consist of a sugar, a phosphate, and a nitrogenous base
- a natural polymer that is present in all living cells and that plays a role in protein synthesis
- the reactant in reactions catalyzed by enzymes
- a substance or molecule that participates in chemical reaction
- an organic compound, whose molecules are made up of one or two chains of nucleotides
- the attraction of particles of the same substance
- the capacity to do work
- a mixture in which ions or molecules of one or more substances are evenly distributed in another substance
- compounds that form extra hydronium ions when dissolved in water
- the smallest unit of matter that cannot be broken down by chemical means
- sugar molecules
- measure of how acidic or bacis a solution is
28 Clues: sugar molecules • the capacity to do work • an enzyme that attaches to a substrate • a substance that forms a chemical reaction • measure of how acidic or bacis a solution is • the reactant in reactions catalyzed by enzymes • a group of atoms held together by covalent bonds • the attraction of particles of the same substance • ...
Chemistry of life 2022-10-21
Across
- The form of carbohydrate storage in animals.
- diffusion of water molecules across a selectively permeable membrane.
- basic structural units of nucleic acid. Each unit is composed of a five-carbon sugar, a phosphate, and a nitrogenous base.
- synthesis- A series of chemical reactions that allow two molecules to bond by the formation of a water molecule.
- that use energy, usually light, to synthesize their own food from inorganic compounds.
- process by which an mRNA molecule is built using the sequence of nucleotides in DNA as a template.
- Consists of nutrients made up of a single sugar molecule. Contains only carbon, hydrogen, and oxygen.
- large carbohydrate molecule used by plants to store energy.A large carbohydrate molecule used by plants to store energy.
- lipid composed of glycerol and three fatty acids which are bonded together.
- transport- The movement of materials across a cell membrane without the use of energy from the cell.
Down
- molecules that are made by joining several separate units, such as joining several sugar units to form a starch molecule.
- lipid vesicles.
- form of endocytosis in which solid particles are engulfed by cells.
- carbohydrates that forms the cell walls of plant cells.
- loss of electrons from an atom or molecule.
- three-carbon chain molecule containing three hydroxyl groups.
- movement of molecules from an area of higher concentration to an area of lower concentration.
- main components of cell membranes. They are composed of a phosphate group and two fatty acids attached to the glycerol backbone.
- acids- Long chains of carbon and hydrogen joined together.
- raw materials needed for cell metabolism.
20 Clues: lipid vesicles. • raw materials needed for cell metabolism. • loss of electrons from an atom or molecule. • The form of carbohydrate storage in animals. • carbohydrates that forms the cell walls of plant cells. • acids- Long chains of carbon and hydrogen joined together. • three-carbon chain molecule containing three hydroxyl groups. • ...
Chemistry Review Crossword 2023-03-23
Across
- Table salt is also known as sodium __________
- This rule says that atoms want a full valence shell
- Dissolved in water
- A _________ cylinder is used to measure liquids
- Bonds that occur between a metal and a nonmetal
- This element's symbol is Kr
- An atom of this element has 26 protons
- Neutral (no charge) subatomic particle
- The inputs (on the left side) of a chemical reaction
- This type of flask has slanted sides and can be used to swirl liquids
- The number of Phosphorus atoms in a single Ca3(PO4)2 Compound
- The outputs (on the right side) of a chemical reaction
Down
- This element is in period 4 and group 15.
- Bonds that occur between two nonmetals
- A Magnesium atom _________ two VE to form an ion
- a chemical ____________ is a way of writing out a chemical reaction to show the change from reactants to products
- Negatively charged subatomic particle
- This type of model shows all of an atom's electrons
- Always wear these in the lab to protect your eyes.
- Atoms of the same element with different atomic masses are called __________
- These electrons are in the outermost energy level
- Positively charged subatomic particle
- An ion is an atom with a net _____________
- The weight of an atom is the sum of the number of protons and the number of ______________
24 Clues: Dissolved in water • This element's symbol is Kr • Negatively charged subatomic particle • Positively charged subatomic particle • Bonds that occur between two nonmetals • An atom of this element has 26 protons • Neutral (no charge) subatomic particle • This element is in period 4 and group 15. • An ion is an atom with a net _____________ • ...
Chemistry: Nomenclature Review 2023-03-16
Across
- Ion with a positive charge
- SO3
- Compounds composed of a metal and a nonmetal
- Compound composed of two elements that can either be ionic or molecular
- MgBr2
- The only positively charged polyatomic ion
- Ion with a negative charge
- Lithium Hydroxide
- Potassium Chloride
- Used to notate the charge of a transition metal cation. Put in parentheses.
- Used in names of binary molecular compounds to indicate how many atoms there are
Down
- Compounds composed of two or more nonmetals
- group of atoms that has a charge and behaves as a unit
- Lithium Fluoride
- CO
- A covalent compound is composed of two or more ___
- NaCl
- Describing a single atom with a positive or negative charge
- ending of anion names
- Prefix for 5
20 Clues: CO • SO3 • NaCl • MgBr2 • Prefix for 5 • Lithium Fluoride • Lithium Hydroxide • Potassium Chloride • ending of anion names • Ion with a positive charge • Ion with a negative charge • The only positively charged polyatomic ion • Compounds composed of two or more nonmetals • Compounds composed of a metal and a nonmetal • A covalent compound is composed of two or more ___ • ...
Chemistry Vocab Crossword 2023-03-28
Across
- chemicals produced from a reaction
- solid to gas
- a specific counting number
- liquid to solid
- liquid to gas
- homogeneous mixture
- gas to solid
- when dissolved, properties sometimes change
- formula for new compounds
- chemicals that react with each other
- how much product was actually produced in real life in exp
- amount of substance in a space for mixture
Down
- reactant that is left over
- chemical being dissolved
- fire
- chemical doing the dissolving
- solid to liquid
- moles of solute/liters of solution
- sometimes reactions do not go to completion
- sometimes, the reactants do not get fully used up
20 Clues: fire • solid to gas • gas to solid • liquid to gas • solid to liquid • liquid to solid • homogeneous mixture • chemical being dissolved • formula for new compounds • reactant that is left over • a specific counting number • chemical doing the dissolving • moles of solute/liters of solution • chemicals produced from a reaction • chemicals that react with each other • ...
Basics of Chemistry 2023-02-20
Across
- measures the acidity and alkalinity of a substance; ranges from 0-14
- any substance that occupies space and has mass (weight)
- oil droplets emulsified in water
- a chemical combination of a single type of matter
- physical combination of matter in any proportions
- the separation of an atom or molecule into positive and negative ions
- a change in the formor physical properties of a substance without the formation of a new substance
- a solution that has a pH above 7.0; turns litmus paper from red to blue
- substance often used as an emulsifier; acts as a bridge to allow oils and water to mix and form an emulsion
- molecules combinations of two or more atoms of different elements united together chemically
- a measure of the acidity or alkalinity of a substance
- an unstable mixture of two or more immiscible substances united with the aid of a binder or emulsifier
- characteristics that can only be determined by a chemical reaction and a chemical change in the substance
- the science that deals with the composition, structures, and properties of matter and how matter changes under different conditions
- VOCs;compounds containing carbon (organic); evaporate very quickly (volatile) and easily
- water droplets emulsified in oil
- the study of substances that do not contain carbon but may contain hydrogen
- a solution that has pH below 7.0; turns litmus paper from blue to red
Down
- two or more atoms joined chemically
- chemical reactions that produce heat
- water-loving
- not capable of being mixed
- easily evaporating
- the simplest form of matter, which cannot be broken down into a simpler substance without a loss of identity
- an unstable mixture of undissolved particles in a liquid
- a liquid that has evaporated into a “gas-like” state but not gas
- a special form of matter that behaves like gas, but unlike gases, plasma conducts electricity
- substance that is dissolved in a solution
- the study of substances that contain carbon
- those characteristics that can be determined without a chemical reaction and that do not cause a chemical change in the substance
- brings two normally incompatible materials together and bonds them into a uniform and fairly stable blend; the materials eventually separate, but very slowly over time
- a stable uniform blend of two or more mixable substances
- a sweet, colorless, ouly substance used as a moisturizing ingredient in cosmetic products
- chemical combinations of atoms of the same element
- substance that dissolves the solute in a solution
- ion with a positive electrical charge
- an atom or molecule that carries an electrical charge
- a special type of ingredient used in nail polish dryers and skin protectants
- change in the chemical & physical properties of a substance by a chemical reaction that creates a new substance or substances
- ion with a negative electrical charge
- the smallest particle of an element that still retains the properties of that element
- oil-loving
- mutually solable liquids, can be mixed together to form stable solutions, which cannot be easily separated
43 Clues: oil-loving • water-loving • easily evaporating • not capable of being mixed • oil droplets emulsified in water • water droplets emulsified in oil • two or more atoms joined chemically • chemical reactions that produce heat • ion with a positive electrical charge • ion with a negative electrical charge • substance that is dissolved in a solution • ...
Chemistry Unit Review 2024-04-10
Across
- Energy carried by light and other types of electromagnetic radiation
- An example of a __ change is cooking food
- The phase change from a gas to a liquid
- A substance that has a pH of 7
- The positively charged subatomic particle found in the center of an atom
- Anything that has mass and takes up space
- Energy of an object or a particle due to its motion or movement
- An example of a _ change is melting ice
- A substance is an _ if it has a pH of 0-6 on the pH scale
- The phase change from solid to a gas
- Energy that can be heard by the human ear and is transferred through a medium
Down
- The law of _ of energy states that energy is not created or destroyed, only transformed
- Energy of an object due to the kinetic energy of its atoms
- The phase change from a liquid to a solid
- Energy stored in the bonds of chemical compounds such as food or fuel
- The phase change from solid to a liquid
- A substance is an _ if it has a pH of 8-14 on the pH scale
- EnergY an object has due to its position or its stored energy
- The phase change from a liquid to a gas
- The ability to do work or cause change
- A state of matter that has a medium amount of energy and molecules flow against each other
- The phase change from a gas to a solid
- A state of matter that has a low amount of energy with molecules tightly packed together
- A state of matter that has a high amount of energy with molecules very far away from each other
- The basic building block of all matter
25 Clues: A substance that has a pH of 7 • The phase change from solid to a gas • The ability to do work or cause change • The phase change from a gas to a solid • The basic building block of all matter • The phase change from solid to a liquid • The phase change from a gas to a liquid • The phase change from a liquid to a gas • An example of a _ change is melting ice • ...
Chemistry Grade 10 2024-03-13
Across
- alat di laboratorium yang digunakan untuk memindahkan zat cair, tool in the laboratory used to transfer liquids
- kalsium merupakan senyawa alkali tanah yang memiliki biloks, calcium is an alkaline compound that has a oxidation state
- jika unsur-unsur disusun berdasarkan kenaikan nomor massa atom, sifat unsur tersebut akan berulang pada unsur kedelapan merupakan hukum oktaf yang dikemukakan oleh,if the elements are arranged based on increasing atomic mass number, the properties of these elements will repeat in the eighth element which is the octave law proposed by
- ilmuwan yang melakukan percobaan spektrum hidrogen untuk teori atom, scientist who conducted experiments on the spectrum of hydrogen for atomic theory
- litium merupakan senyawa alkali yang memiliki biloks, lithiumis an alkaline compound that has a oxidation state
- golongan VIII A atau gas mulia dikenal dengan golongan yang sangat ... dibandingkan dengan golongan lainnya, groupVIII A or the noble gases are known as groups that are very... compared to other groups
- reaksi pengikatan oksigen oleh suatu zat, a reaction of releasing oxygen by a substance
- zat yang dalam reaksi redoks menyebabkan zat lain mengalami reduksi, in a redox reaction causes another substance to be reduced
- gabungan dari dua unsur atau lebih, a combination of two or more elements
- alat di laboratorium yang membantu untuk memasukkan larutan ke tempat yang berisi sampel bahan kecil,tool in the laboratory that helps to put the solution into a container that contains small samples of material
- unsur yang berbeda dengan jumlah neutron yang sama disebut,different elements with the same number of neutrons are called
- C adalah lambang atau singkatan dari unsur, is the symbol or abbreviation of the element
- alat di laboratorium untuk mengambil zat yang berbentuk padat dan berukuran kecil, tool in the laboratory to take substances that are solid and small
- suatu reaksi redoks ada zat yang mengoksidasi dan mereduksi dirinya sendiri, in a redox reaction there is a substance that oxidizes and reduces itself
- TIDAK ADA dua elektron dalam orbital yang sama memiliki empat bilangan kuantum yang sama merupakan larangan dari, NO two electrons in the same orbital having the same four quantum numbers is a prohibition from
- unsur yang memiliki elektron valensi 5 maka termasuk kedalam golongan, elementsthat have 5 valence electrons are included in group
- types of compounds in the form of melts and solutions are conductors
- campuran yang tidak dapat dibedakan antara zat-zat yang tercampur di dalamnya,mixture that cannot be distinguished between the substances mixed in it
- jenis ikatan senyawa dalam bentuk lelehan dan larutan bersifat konduktor
Down
- determinant number to determine the position of the electron in the atom
- zat yang dalam reaksi redoks menyebabkan zat lain mengalami reaksi oksidasi, in a redox reaction causes another substance to undergo an oxidation reaction
- reaksi pelepasan oksigen oleh suatu zat, areaction by the binding of oxygen a substance
- bilangan determinan untuk menentukan posisi elektron dalam atom
- sebutan untuk golongan IA yang terletak di paling kiri dari tabel periodik, the designation for group IA which is located on the left of the periodic table
- larutan yang dapat menghantarkan listrik A solution that can conduct electricity
- minyak dan air adalah contoh campuran ini yang disebut sebagai,oil and water are examples of these mixtures which are referred to
- reaksi oksidasi cenderung bermuatan positif dan reduksi bermuatan negatif adalah konsep transfer yang melibatkan, oxidation reactions tend to be positively charged and reductions to be negatively charged are transfer concepts that involve
- unsur sama (jumlah proton sama), tetapi massa berbeda (jumlah neutron berbeda) disebut,same element (same number of protons) but different masses (different number of neutrons) are called
- Be adalah lambang atau singkatan dari unsur, Be is the symbol or abbreviation of the element
- unsur yang memiliki kulit terluar 2 maka termasuk kedalam periode ke,elements that have an outer shell of 2 are included in period
- jika jumlah proton > jumlah elektron karena pelepasan elektron kondisi ini disebut,if the number of protons > the number of electrons due to the release of electrons this condition is called
- jika jumlah elektron > jumlah proton karena penerimaan elektron kondisi ini disebut,if the number of electrons > the number of protons due to the acceptance of electrons this condition is called
32 Clues: bilangan determinan untuk menentukan posisi elektron dalam atom • types of compounds in the form of melts and solutions are conductors • determinant number to determine the position of the electron in the atom • jenis ikatan senyawa dalam bentuk lelehan dan larutan bersifat konduktor • gabungan dari dua unsur atau lebih, a combination of two or more elements • ...
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
- element in the first group the the periodic table
21 Clues: man made • simple substances • smallest particle • particle with a neutral charge • particle with a negative charge • 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 • substance that is doing the dissolving • ...
Chemistry EOG Vocab 2024-05-08
Across
- The ability to dissolve in another substance.
- The movement of deep, cold, and nutrient rich water to the surface.
- Point The temperature at which a liquid turns into a gas.
- a measure of how acidic a substance is.
- The area drained by a river and its tributaries.
- Free-swimming animals that can move throughout the water columns.
- Nitrogen compounds that are used for growth by plants and algae.
- Term that describes an animal that lives on land.
- The ability for a substance to be hammered into smaller thin sheets.
- Small river or stream that flows into a large stream; it is a branch of a river.
Down
- The tendency of water molecules that allows them to stick together.
- The quality of water that allows it to dissolve more substances than any other solvent can.
- The temperature that solids turn into liquids.
- The tendency of water to stick to other substances.
- Term that describes an animal that lives in the ocean.
- Simple substance that cannot be broken down into a simpler substance.
- The amount of mass in a given volume.
- The measure of the clarity of the water; how clear the water is. High= low visibility.
- Attraction between opposite poles.
- water that fills cracks in underground soil and rock layers.
20 Clues: Attraction between opposite poles. • The amount of mass in a given volume. • a measure of how acidic a substance is. • The ability to dissolve in another substance. • The temperature that solids turn into liquids. • The area drained by a river and its tributaries. • Term that describes an animal that lives on land. • The tendency of water to stick to other substances. • ...
Chemistry Crossword Puzzle 2024-05-08
Across
- A substance that forms ions when dissolved in a solvent.
- A substance that neutralizes acids
- The process by which solutes precipitate out of a solution; forming a solid.
- A table containing all of the elements.
- A process that results in a chemical change.
- A solution which the solvent is water.
- The temperature at which a solid turns into a liquid.
- An acid that contains a hydrogen atom and can give a hydrogen ion or proton.
- A relationship between variables which one increases and the other increases, so on and so forth.
Down
- The study of different elements and different chemical compounds.
- The ability of a substance to dissolve in a substance.
- A base that turns red when put on a solution.
- The temperature at which a liquid turns into a gas.
- A quantity that is calculated other than measured.
- The relationship between reactants and products before, during, and after a reaction.
- A group of atoms bonded into each other.
- The stirring or mixing of a solution to increase the movement of the solute particles in a solution.
- The transfer of valence electrons in atoms.
- Containing the maximum amount of solute.
- A substance that does not form ions when dissolved in a solvent.
20 Clues: A substance that neutralizes acids • A solution which the solvent is water. • A table containing all of the elements. • A group of atoms bonded into each other. • Containing the maximum amount of solute. • The transfer of valence electrons in atoms. • A process that results in a chemical change. • A base that turns red when put on a solution. • ...
Chemistry Vocab Crossword 2024-05-08
Across
- a group of atoms bonded together
- the sum of protons and neutrons of an element on the periodic table
- represents the amount of protons and electrons of an element on the periodic table
- the ability for metal to be flexible
- the thing that does the dissolving
- rows in the periodic table
- the amount of space and object occupies
- the thing being dissolved
- a way to filter liquids
- liquid with a pH less than 7
- substances that go into a reaction
- liquids with a pH more than 7
Down
- one type of atom that cannot be broken down
- ability to be molded into shape or bend
- something produced from a reaction
- ability to be dissolved
- two or more atoms chemically bonded
- rusting
- the amount of matter within an object
- the basic unit of a chemical element
20 Clues: rusting • ability to be dissolved • a way to filter liquids • the thing being dissolved • rows in the periodic table • liquid with a pH less than 7 • liquids with a pH more than 7 • a group of atoms bonded together • something produced from a reaction • the thing that does the dissolving • substances that go into a reaction • two or more atoms chemically bonded • ...
Chemistry Unit 8 2024-06-07
Across
- Amount of substance to create a saturated solution at a specific temp, amount of solvent
- A separation of ions that occurs when a ionic compound dissolves
- Composition is uniform throughout the mixture
- On the line
- Distribution of electrical charge among the atoms connected by a chemical bond
- opposite of concentrated
- Capable of being dissolved
- Insoluble solid that emerges from a liquid solution
- A homogeneous mixture that has two or more substances in one phase
- Intermediate size particles
- When the particles in a solvent settle out unless constantly being stirred
Down
- An example would be air
- Solution process with water as a solvent
- The number of moles of solute in one liter of solution
- Composition is not uniform throughout the mixture
- An example would be a rock
- Process of molecules surround and interact with solute ions or molecules
- the measure of the amount of solute in a amount of solvent or solution
- liquids that aren't soluble in each other
- An example would be water
20 Clues: On the line • An example would be air • opposite of concentrated • An example would be water • An example would be a rock • Capable of being dissolved • 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 • ...