chemistry Crossword Puzzles
SCIENTISTS AND THEIR DISCOVERIES. 2021-03-25
Across
- Gave unit of radioactivity.
- gave conception of Bravais lattices.
- Won Noble Prize in physics and chemistry.
- discovered tge antidote to arsenic.
- discovered electromagnetic induction.
- discovered Energy Quanta.
- Created first version of periodic table.
- founder of modern Chemistry.
Down
- Discovered X-Rays in 1895.
- developed symbolic way to draw asymmetric carbon atoms.
- mentioned “atom” in “Vaisesika Sutra”.
- father of ancient chemistry,“Kitab-al- Kilam”.
- credited witg the discovery of Oxygen.
- discovered hydrogen.
14 Clues: discovered hydrogen. • discovered Energy Quanta. • Discovered X-Rays in 1895. • Gave unit of radioactivity. • founder of modern Chemistry. • discovered tge antidote to arsenic. • gave conception of Bravais lattices. • discovered electromagnetic induction. • mentioned “atom” in “Vaisesika Sutra”. • credited witg the discovery of Oxygen. • Created first version of periodic table. • ...
Chemistry 2024-05-15
Across
- The list of elements that scientists have discovered so far.
- The combination of one carbon atom connected to two oxygen atoms.
- Each chemical is unique, composed of a set number of protons, neutrons and __________.
- ___________ chemistry studies the chemical compounds in inorganic, or non-living things such as minerals and metals.
- particle of matter that uniquely defines a chemical element
Down
- negatively charged subatomic particle
- The main building blocks in chemistry, which are substances made of a single atom.
- When chemical elements bond together. Example would be carbon dioxide.
- The study of matter and the changes that matter can undergo when it is subject to different environments and conditions.
- ___________ uses chemistry techniques to understand how biological systems work at a chemical level.
- ___________ chemistry deals with chemical compounds that contain carbon.
- chemical bond that involves the sharing of electrons to form electron pairs between atoms
- formed from the electrostatic attraction between oppositely charged ions in a chemical compound
- This element is considered essential to life.
- Anything that has mass and takes up space
15 Clues: negatively charged subatomic particle • Anything that has mass and takes up space • This element is considered essential to life. • particle of matter that uniquely defines a chemical element • The list of elements that scientists have discovered so far. • The combination of one carbon atom connected to two oxygen atoms. • ...
Chemistry Syllabus and Lab Safety Rules 2022-08-25
Across
- what the chemistry curriculum is based on
- behavior never allowed in the laboratory
- CANNOT bring into lab
- where you are when the bell rings
- used to protect eyes during lab
- what to do with long hair during lab
- weekly agenda/assignments found here
- percent of grade for tests/quizzes/CERs
- method to safely smell chemical fumes
Down
- put in caddy before class begins
- chemistry content we are starting with
- google classroom code
- chemistry teacher's last name
- when to wear goggles and aprons during lab
- person responsible to get make-up work when absent
- percent of grade for homework/classwork
16 Clues: google classroom code • CANNOT bring into lab • chemistry teacher's last name • used to protect eyes during lab • put in caddy before class begins • where you are when the bell rings • what to do with long hair during lab • weekly agenda/assignments found here • method to safely smell chemical fumes • chemistry content we are starting with • ...
Chemistry 2016-03-21
Across
- The substance the solute is dissolved in, makes up the largest portion of a solution.
- Composed of ions and free electrons; does not have a definite shape or volume.
- Changing from a liquid to a gas.
- A combination of two or more pure substances that do not chemically bond.
- Changing directly from a gas to a solid without first becoming a liquid.
- Changing from a gas to a liquid.
- The attraction between molecules of different substances.
- Matter that has a definite shape and volume.
- occurs at temperatures below the boiling point on the surface of the liquid.
- Changing from a solid to a liquid.
- Matter that has a definite volume but not a definite shape.
Down
- Changing from a gas to a plasma.
- A mixture with particles that are not evenly spread out or dispersed.
- A mixture with particles that are evenly spread out, or dispersed.
- Changing from a solid to a gas without first becoming a liquid.
- A homogeneous mixture in which very small particles of one substance are dissolved completely in another substance.
- A heterogeneous mixture in which small particles, larger than those in a solution or colloid, are dispersed in a liquid or gas.
- Divided into a pure substance or a mixture.
- Changing from a plasma to a gas.
- Changing from a liquid to a solid.
- The attraction molecules of a substance have for one another.
- Matter that does not have a definite shape or volume.
- Occurs when a liquid reaches its boiling point.
- A mixture in which small particles of one substance are dispersed, but not dissolved, into particles of another substance.
24 Clues: Changing from a gas to a plasma. • Changing from a liquid to a gas. • Changing from a plasma to a gas. • Changing from a gas to a liquid. • Changing from a liquid to a solid. • Changing from a solid to a liquid. • Divided into a pure substance or a mixture. • Matter that has a definite shape and volume. • Occurs when a liquid reaches its boiling point. • ...
Chemistry 2016-08-30
Across
- Subatomic particle with a positive charge (6)
- change Reaction forming nothing new (8,6)
- Centre of an atom (7)
- Substance with lots of hydrogen ions (4)
- Where electrons are found in an atom (5)
- Reacting an acid and a base (14)
- Substance with lots of hydroxide ions (4)
- Lots of acid/base particles and little water (12)
- Being able to shape metals (12)
- Subatomic particle with a negative charge (8)
- Lots of water and few acid/base particles (6)
- Elements on the left side of the Periodic Table (6)
- Shininess of metals (6)
- Term given to electrons in outer shell of an atom (7)
- A charged atom (3)
- Subatomic particle with no charge (7)
Down
- Measure of acidity or basicity (2,5)
- Having a high pH (5)
- Number of protons in an atom (6,6)
- Made of two or more types of bonded atoms (8)
- Protons and neutrons in an atom (4,6)
- Chemical used to test for carbon dioxide (9)
- Reaction forming new substances (8,6)
- Product in acid-carbonate reaction (6,7)
- Drawing metals into wires (9)
- Having a low pH (6)
- Mixed metals (6)
- Made up of different unbonded atoms (7)
- A pH of 7 means this (7)
- Product in all acid reactions (4)
- Base that dissolves in water (6)
- Made of one type of atom (7)
- Seen when a gas is produced (7)
33 Clues: Mixed metals (6) • A charged atom (3) • Having a low pH (6) • Having a high pH (5) • Centre of an atom (7) • Shininess of metals (6) • A pH of 7 means this (7) • Made of one type of atom (7) • Drawing metals into wires (9) • Being able to shape metals (12) • Seen when a gas is produced (7) • Reacting an acid and a base (14) • Base that dissolves in water (6) • ...
Chemistry 2016-02-11
Across
- smallest part of an atom
- odorless, colorless, low chemical reactivity
- created the periodic table
- of metals and Non-metals
- center of an atom
- energy cannot be created or destroyed
- number of electrons
- substance that cannot be broken down
- energy given off
- neutral charge
- two or more elements combined
- column on the P.T
Down
- one ring in a shell
- smallest particle in a chemical element
- outermost electron in shell
- row on the P.T
- positively charged
- mass of an atomic particle
- negative charge
- energy absorbed
- abbreviation of element
- does not conduct, brittle
- what is reacted upon
- hard, opaque, shiny, good conductivity
- coating
- the result of a reaction
26 Clues: coating • row on the P.T • neutral charge • negative charge • energy absorbed • energy given off • center of an atom • column on the P.T • positively charged • one ring in a shell • number of electrons • what is reacted upon • abbreviation of element • smallest part of an atom • of metals and Non-metals • the result of a reaction • does not conduct, brittle • mass of an atomic particle • ...
Chemistry 2016-02-10
Across
- what is formed after a chemical reaction
- conductor of electricity can be melted
- the mass of an atom
- great stability and low reaction rates
- mass stays the same after a chemical reaction
- basic substance made of atoms
- developed periodic table
- two or more elements to combine
- horizontal row
- part of the nucleus and has no charge
- smallest possible substance
- putting a thin layer of metal over something
Down
- changes when combined
- central part of an atom
- tells how many protons are in an atom
- travels around nucleus and has negative charge
- the electron in the outer most orbital
- part of the nucleus has a positive charge
- produces heat
- lacks characteristics of a metal
- abbreviation of an element
- absorbs heat
- between a metal and a nonmetal
- smallest unit of any amount of matter
- ring of an atom
- column
26 Clues: column • absorbs heat • produces heat • horizontal row • ring of an atom • the mass of an atom • changes when combined • central part of an atom • developed periodic table • abbreviation of an element • smallest possible substance • basic substance made of atoms • between a metal and a nonmetal • two or more elements to combine • lacks characteristics of a metal • ...
Chemistry 2016-02-10
Across
- two electrons and is associated with a region of a chemical bond
- no electric charge
- the smalles unit of an element
- the material of chemical gas or metal that is on the periodic table
- positively charged element
- can form alloys with metals
- energy is released
- 18 numbers groups on the periodic table
- the mass of the products in a chemical reaction must equal the mass of the reactants
- energy is absorbed
- to place farmers do what to crops every year
- a group of atoms bonded together
- changes during a reaction
- consists of protons and electrons
- the letters of an element (au)
Down
- electrons participate in thr formation of a chemical bond
- very brittle and cannot be made into wire
- developed the periodic table
- what you get after you mix things together
- helium
- contains the same amount of protons and electrons
- their absorbency
- composed of two or more separate elements
- negatively charged
- how the elements are arranged with increasing atomic numbers
- sodium, alike metals has one electron
26 Clues: helium • their absorbency • no electric charge • energy is released • negatively charged • energy is absorbed • changes during a reaction • positively charged element • can form alloys with metals • developed the periodic table • the smalles unit of an element • the letters of an element (au) • a group of atoms bonded together • consists of protons and electrons • ...
Chemistry 2016-12-19
Across
- A nuclear reaction when a large nucleus splits into two smaller nuclei.
- A type of reaction that can convert an atom into an atom of another element.
- A word used to describe when a substance is able to be stretched into wires.
- A special type of reaction when a substance reacts with oxygen gas.
- A base that will dissolve in water.
- A type of reaction that releases heat.
- A substance that turns litmus paper blue.
- The name given to the reaction used by plants to produce sugar.
- A word used to describe when a substance is able to be hammered into new shapes.
- Subatomic particle with a negative charge.
- The name given the substances you are left with after a chemical reaction.
- The chemical symbol NA is for which atom?
Down
- The name given to the cluster of protons and neutrons at the centre of an atom.
- The name given to a cluster of atoms.
- A type of reaction that absorbs heat from the surroundings.
- A mixture of a base metal and small amounts of other elements.
- An atom that becomes electrically charged from losing or gaining electrons.
- There are 118 known types of atoms, and only 98 are found ________ on Earth.
- A substance that turns litmus paper red.
- The name given to substances you start with in a chemical reaction.
- A substance that is made up of different types of atoms.
- A chemical that changes colour to show if a substance is acidic, neutral, or basic.
- The name given to an atom that has the same number of protons but a different number of neutrons.
- A substance that is made up of one type of atom.
- Subatomic particle that is found in the cloud that surrounds the nucleus.
- the product formed when iron reacts with water.
- Subatomic particle with a positive charge.
27 Clues: A base that will dissolve in water. • The name given to a cluster of atoms. • A type of reaction that releases heat. • A substance that turns litmus paper red. • A substance that turns litmus paper blue. • The chemical symbol NA is for which atom? • Subatomic particle with a negative charge. • Subatomic particle with a positive charge. • ...
Chemistry 2017-09-25
Across
- measurement of heat
- depends on the amount of matter in something ex Mass
- Basic unit of life
- Absorbing heat
- 1 or more elements
- non reversible change
- anything that has mass and takes up space
- mixture of something into a liquid ex saltwater
- Substance made by mixing other substances
- Data with number
- doesn't depend on the amount of matter in something ex color
Down
- amount of heat in something
- Outside change
- combination of 2 or more pure substances
- released in energy transfer
- Releasing heat
- Made of only one type of atom or molecule
- Density problem
- unit of work or energy
- Physical data color feel
20 Clues: Outside change • Absorbing heat • Releasing heat • Density problem • Data with number • Basic unit of life • 1 or more elements • measurement of heat • non reversible change • unit of work or energy • Physical data color feel • amount of heat in something • released in energy transfer • combination of 2 or more pure substances • Made of only one type of atom or molecule • ...
Chemistry 2017-09-25
Across
- Releasing heat
- Made of only one type of atom or molecule
- Something physical about the substance
- depends on the amount of matter in something ex Mass
- amount of heat in something
- released in energy transfer
- Substance made by mixing other substances
- non reversible change
- unit of work or energy
- Absorbing heat
- 1 or more elements
Down
- Physical data color feel
- combination of 2 or more pure substances
- doesn't depend on the amount of matter in something ex color
- Data with number
- Outside change
- anything that has mass and takes up space
- Basic unit of life
- mixture of something into a liquid ex saltwater
- measurement of heat
- Density problem
21 Clues: Releasing heat • Outside change • Absorbing heat • Density problem • Data with number • Basic unit of life • 1 or more elements • measurement of heat • non reversible change • unit of work or energy • Physical data color feel • amount of heat in something • released in energy transfer • Something physical about the substance • combination of 2 or more pure substances • ...
Chemistry 2017-09-13
Across
- a chemical combination of two or more atoms of different elements
- Everything that exists in the universe is either made of matter or this, which does not occupy space or have mass
- Anything that occupies space, has physical and chemical properties
- an unstable mixture of two or more immiscible substances, plus an emulsifier
- a chemical reaction in which oxygen is subtracted from or hydrogen is added to a substance
- unstable physical mixture of undissolved particles in a liquid, glitter nail polish
- the basic unit of matter with a nucleus, that cannot be divided into simpler form
- 7 on the pH scale
- the tail of a surfactant molecule that is oil loving
- Physical ______ is a combination of substances held together by physical rather than chemical
- a molecule containing two or more atoms of the same element
- properties are characteristics that can only be determined by a chemical reaction
- 2wds. The study of all substances containing carbon
- physical _______ are characteristics that can be determined without a chemical reaction
- rapid oxidation of a substance with heat and light
- a substance that allows oil and water to mix
Down
- universal solvent
- a chemical combination of two or more atoms
- the simplest form of chemical matter
- the head of a surfactant molecule that is water loving
- aka oxidation-reduction, a chemical reaction which oxidation and reduction take place at the same time
- when one chemical changes it state of matter, it is called
- combining a substance with oxygen to produce oxide
- the separating of a substance into ions
- what is made when sugar is dissolved in water
- liquids that mix easily are known to be this
- a liquid used to dissolve a substance
- another name for bases is
- 2wds. The branch of chemistry that deals with products that do not contain carbon.
- Reducing _____ is a substance that adds hydrogen to a chemical compound or subtracts oxygen from a compound
30 Clues: universal solvent • 7 on the pH scale • another name for bases is • the simplest form of chemical matter • a liquid used to dissolve a substance • the separating of a substance into ions • a chemical combination of two or more atoms • liquids that mix easily are known to be this • a substance that allows oil and water to mix • what is made when sugar is dissolved in water • ...
Chemistry 2017-11-08
Across
- the number of protons in the nucleus of an atom
- workplace hazardous materials information system
- change in appearance or state
- when a gas changes to a solid
- the mixture of magic and chemistry
- can eat away or corrode
- when non-metal combine
- mixture of two or more pure substances that look like one substance
- the mass of all protons and neutrons in an atom
- ability to conduct electricity or heat
- made up of one type of matter
- chemical reaction that absorbs heat energy
- substances in a reaction
Down
- contaminated material that is a threat to humans and health
- the center of an atom
- when a solid changes to a gas
- mixture in which the different substances are visible
- when a new substance is formed and non-reversible
- pure substance that cannot broken down any further
- chemical reaction that releases heat energy
- a compound of a metal and non-metal
- electrically charged atoms
- can be in between metals and non-metals
- shiniest of a substances,
- the horizontal rows on the periodic table
25 Clues: the center of an atom • when non-metal combine • can eat away or corrode • substances in a reaction • shiniest of a substances, • electrically charged atoms • when a solid changes to a gas • change in appearance or state • when a gas changes to a solid • made up of one type of matter • the mixture of magic and chemistry • a compound of a metal and non-metal • ...
CHEMISTRY 2017-03-19
Across
- Substance formed by the combination of elements in fixed proportions
- Molecule that has gained or lost one or most electrons
- Substance that cannot be decomposed into simpler substances
- Has mass and occupies space
- Chemical element in its smallest form; Made up of neutrons and protons
- Table that shows the names and symbols of the chemical elements
- Chemical with a bitter taste whose pH is greater than 7
- Phase with no definite shape or volume
- Type of heterogeneous mixture that is made up of suspended solid particles
- Phase transition from solid into gas
- Element with the symbol He
Down
- Mixture made up of one phase
- Amount of mass per unit of volume
- Logarithmic scale for expressing the acidity of alkalinity of a solution
- Mixture made up of more than one phase
- Unit of measure for temperature based upon an absolute scale
- Devise used to measure the pressure in the atmosphere
- Chemical with a sour taste whose pH is less than 7
- Homogeneous mixture of a liquid (the solvent) with a gas or solid (the solute)
- Material that allows electric flow more freely
20 Clues: Element with the symbol He • Has mass and occupies space • Mixture made up of one phase • Amount of mass per unit of volume • Phase transition from solid into gas • Mixture made up of more than one phase • Phase with no definite shape or volume • Material that allows electric flow more freely • Chemical with a sour taste whose pH is less than 7 • ...
Chemistry 2018-03-13
Across
- the chemicals required in order for a reaction to occur
- the reaction that produces energy in the cells of living organisms
- negatively charged sub-atomic particle in an atom
- the scientist who discovered the nucleus of an atom by shooting alpha particles through gold foil
- an atom that has gained or lost an electron
- the name given to a chemical reaction where heat is produced
- the atom with the atomic number 19 and the symbol K
- the number of electrons that can be held in the first shell of an atom
- number the name given to the number of protons plus the number of neutrons in an atom
- the non-gas reactant in cell respiration
- gases very unreactive group on the periodic table
Down
- earth metals the name given to group 2 metals on the periodic table
- the name given to a chemical reaction where heat is absorbed
- the scientist who came up with the plum pudding model of the atom
- the gas produced through cell respiration
- the name of the chemical process plants use to produce glucose
- the part of an atom that has no charge
- positively charged sub-atomic particle in an atom
- the chemicals produced in a chemical reaction
- the number of electrons that can be held in the 2nd shell of an atom
20 Clues: the part of an atom that has no charge • the non-gas reactant in cell respiration • the gas produced through cell respiration • an atom that has gained or lost an electron • the chemicals produced in a chemical reaction • negatively charged sub-atomic particle in an atom • positively charged sub-atomic particle in an atom • ...
Chemistry 2018-08-30
Across
- apparatus- laboratory equipment
- variable- a variable (often denoted by y ) whose value depends on that of another.
- the real physical matter of which a person or thing consists and which has a tangible, solid presence.
- intellectual and practical activity encompassing the systematic study of the structure and behavior of the physical and natural world through observation and experiment.
- a diagram showing the relation between variable quantities, typically of two variables, each measured along one of a pair of axes at right angles.
- Factor- an arithmetical multiplier for converting a quantity expressed in one set of units into an equivalent expressed in another.
- units- A system of measurement in which the basic units are the meter, the second, and the kilogram.
- analysis- analysis using the fact that physical quantities added to or equated with each other must be expressed in terms of the same fundamental quantities (such as mass, length, or time) for inferences to be made about the relations between them.
- the quality, condition, or fact of being exact and accurate.
- a statement of fact, deduced from observation, to the effect that a particular natural or scientific phenomenon always occurs if certain conditions are present.
- method- a method of procedure that has characterized natural science since the 17th century, consisting in systematic observation, measurement, and experiment, and the formulation, testing, and modification of hypotheses.
- thinking-the objective analysis and evaluation of an issue in order to form a judgment.
- the amount of space that a substance or object occupies, or that is enclosed within a container, especially when great.
Down
- a coherent, typically large body of matter with no definite shape.
- a supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation.
- variable- a variable (often denoted by x ) whose variation does not depend on that of another.
- an individual thing regarded as single and complete but which can also form an individual component of a larger or more complex whole.
- a conceptual structure or entity on which something draws or depends.
- a scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact.
- the branch of science that deals with the identification of the substances of which matter is composed; the investigation of their properties and the ways in which they interact, combine, and change; and the use of these processes to form new substances.
- a supposition or a system of ideas intended to explain something, especially one based on general principles independent of the thing to be explained.
- figures- each of the digits of a number that are used to express it to the required degree of accuracy, starting from the first nonzero digit.
- a body's relative mass or the quantity of matter contained by it, giving rise to a downward force; the heaviness of a person or thing.
- the quality or state of being correct or precise.
24 Clues: apparatus- laboratory equipment • the quality or state of being correct or precise. • the quality, condition, or fact of being exact and accurate. • a coherent, typically large body of matter with no definite shape. • a conceptual structure or entity on which something draws or depends. • ...
Chemistry 2018-09-02
20 Clues: โมล • กรด • เบส • แก๊ส • ดีบุก • ไอออน • ตะกั่ว • สังกะสี • โมเลกุล • ของเหลว • โซเดียม • ของแข็ง • ประจุบวก • ออกซิเจน • แคลเซียม • สารละลาย • ตัวทำละลาย • ตัวถูกละลาย • พันธะไอออนิก • พันธะโคเวเลนต์
Chemistry 2018-10-29
Across
- what are a good conductors of heat and electricity
- Isotope is an _______ version of that atom
- the ________ & neutrons are found in the center of the area
- pure substances composed of two or more different elements that are chemically joined are called
- electrons have _________ charge
- metals: what kind of metals are the most reactive metals
- electrons: the electrons int the outermost shell of any element are called
- the number of vaance electrons
- energy rings contain what
- the heaviest metal on the periodic table
- a horizontal row on a period table
- where are protons and neutrons found
- adding a neutron makes an _________ of that atom
- most of the elements on the periodic table occur as ______ at room tempertaure.
- what kind of elements are more stable when joined in a pair
- ________ consist of only kind of atom
- rings: electrons live in something called shells or _________________
- model: what shows all of the particles in the atom
- the lightest metal on the periodic table
- what do neutrons have none of
- lightest non-metal
Down
- what state of matter does iron appear at room temprature
- anything that takes up space and has mass
- the most reactive non-metals are the __________
- what is it called when there ia a number beside the element's symbol?
- hundred fourteen: how many elements are known at the present time
- metals: another name for group 5
- dot structure: only shows the elements symbol and it's outer most electron shell
- how many electrons can the 3rd energy ring hold up too.
- atomic mass is the number of protons and ______
- there are seven elements that form _______ consisting of two atoms
- matter is made up of....
- atoms: compounds always contain the same ratio of __________
- table: is a list of all the elements that can build matter
- The periodic table is a little like the alphabet of.......
- bond: what kind of a bond occurs between a non metal and a metal
- many of the non metals and hydrogen
- only _______ and bromine can be found as liquid on the periodic table
- element's ________ is an abbreviation for the element
- number: is the number of protons and neutrons
- gases: what kind of gases are stable and do not react with anything
41 Clues: lightest non-metal • matter is made up of.... • energy rings contain what • what do neutrons have none of • the number of vaance electrons • electrons have _________ charge • metals: another name for group 5 • a horizontal row on a period table • many of the non metals and hydrogen • where are protons and neutrons found • ________ consist of only kind of atom • ...
Chemistry 2018-10-29
Across
- ________ consist of only kind of atom
- the heaviest metal on the periodic table
- anything that takes up space and has mass
- number is the number of protons and neutrons
- a horizontal row on a period table
- many of the non metals and hydrogen
- Isotope is an _______ version of that atom
- there are seven elements that form _______ consisting of two atoms
- rings electrons live in something called shells or _________________
- metals another name for group 5
- table is a list of all the elements that can build matter
- element's ________ is an abbreviation for the element
- The periodic table is a little like the alphabet of.......
- pure substances composed of two or more different elements that are chemically joined are called
- what are a good conductors of heat and electricity
- electrons have _________ charge
- lightest non-metal
- the lightest metal on the periodic table
- gases what kind of gases are stable and do not react with anything
Down
- hundred fourteen how many elements are known at the present time
- metals what kind of metals are the most reactive metals
- atomic mass is the number of protons and ______
- adding a neutron makes an _________ of that atom
- only _______ and bromine can be found as liquid on the periodic table
- where are protons and neutrons found
- the ________ & neutrons are found in the center of the area
- determines the number of vaance electrons
- bond what kind of a bond occurs between a non metal and a metal
- the most reactive non-metals are the __________
- what do neutrons have none of
- electrons the electrons int the outermost shell of any element are called
- what kind of elements are more stable when joined in a pair
- what is it called when there ia a number beside the element's symbol?
- energy rings contain what
- atoms compounds always contain the same ratio of __________
- most of the elements on the periodic table occur as ______ at room tempertaure.
- matter is made up of....
- elements ______ be broken down into simpler type of matter
- how many electrons can the 3rd energy ring hold up too.
- what state of matter does iron appear at room temprature
- dot structure only shows the elements symbol and it's outer most electron shell
- model what shows all of the particles in the atom
42 Clues: lightest non-metal • matter is made up of.... • energy rings contain what • what do neutrons have none of • metals another name for group 5 • electrons have _________ charge • a horizontal row on a period table • many of the non metals and hydrogen • where are protons and neutrons found • ________ consist of only kind of atom • the heaviest metal on the periodic table • ...
Chemistry 2018-11-12
Across
- Numerical prefix for five
- amount of mass in a given volume
- often liquid or gas at room temperature (Also solid sometimes), not shiny, don't conduct electricity(insulator), not ductile or malleable
- Can be easily separated
- Numerical prefix for three
- Numerical prefix for four
- Chemical combination of two or more elements in a specific ratio
- Cannot be separated easily
- Shininess of a substance
- pounded or rolled into sheets
- Substances that are made up of only one type of atom and cannot be broken down
- ability to dissolve into another
Down
- Solid at room temperature, Malleable(Often), Have lustre, Conduct electricity and have ductility
- The most stable and unreactive, it can make new substances sometimes
- conduct electricity or heat
- 7 Rows (Horizontal)
- substance that is made up of one type of matter and has a unique set of characteristics. You cannot separate them into different substances.
- made up of two or more types of matter and can be separated
- A table that is used to organize elements
- kind of change when a material changes state, (or appearance), but does not change composition. This process is reversible.
- 18 columns (Verticle)
- kind of change when two or more substances react to form a new substance (the new substance has different properties from the original). This process is not reversible.
- Numerical prefix for two
- Numerical prefix for one
- an atom or group of atoms that has become electrically charged because it has lost or gained electrons.
25 Clues: 7 Rows (Horizontal) • 18 columns (Verticle) • Can be easily separated • Shininess of a substance • Numerical prefix for two • Numerical prefix for one • Numerical prefix for five • Numerical prefix for four • Numerical prefix for three • Cannot be separated easily • conduct electricity or heat • pounded or rolled into sheets • amount of mass in a given volume • ...
Chemistry 2018-04-03
Across
- Neutrons being converted into protons occurs in ______ decay.
- The particle that is released in radioactive decay which is identical to a helium nucleus.
- Generally found on the right side of the periodic table.
- A collection of atoms or molecules of the same kind.
- The horizontal rows of the periodic table.
- Subatomic particle with a positive charge.
- The outer shell electrons that can participate in chemical bonding.
- Found in Group 6 Period 3.
- 2 or more elements chemically combined.
- A charged particle.
- Variants of a particular chemical element which differ in neutron number.
- Subatomic particle with no charge.
- Name of the group of gasses that are the most stable due to having the maximum amount of valence electrons their outer shell can hold.
Down
- The smallest constituent unit of ordinary matter that has the properties of a chemical element.
- The most abundant element in the universe.
- Generally found on the left side of the periodic table.
- 2 or more atoms chemically joined together.
- If an atom has an unstable nucleus it is __________.
- Subatomic particle with a negative charge.
- Element with atomic number 8.
- The vertical columns of the periodic table.
21 Clues: A charged particle. • Found in Group 6 Period 3. • Element with atomic number 8. • Subatomic particle with no charge. • 2 or more elements chemically combined. • The most abundant element in the universe. • Subatomic particle with a negative charge. • The horizontal rows of the periodic table. • Subatomic particle with a positive charge. • ...
Chemistry 2013-05-09
Across
- number of protons in nucleus
- smallest indivisible part of an element
- formed when a metal gives 1+ electrons to a non-metal so they both have full outer shells
- more reactive halogens........ less reactive ones
- giant ionic crystal
- simple covalent substance (CH4)
- group 7
- formed when metals become cations in a sea of electrons
- smallest mass and orbit the nucleus of an atom
- 2+ atoms covalently bonded together
- positive ion
- group 0
- columns in periodic table
Down
- elements that exist as 2 atoms
- burns red when in contact with air/oxygen
- metals which form coloured compounds and complex ions
- group 2
- rows in periodic table
- table with all atoms in it
- these forces are weak between covalent molecules
- 2+ atoms chemically joined together
- formed when 2+ atoms share electrons
- halogen ion
- noble gases are very ........
- poor conductor low melting point
- giant covalent structure, hardest substance known to man
- group 1
- formed by gain or loss of electrons
- good conductor, high melting point
- made up of 1 type of atom only
- total mass of protons and neutrons in an atom
31 Clues: group 2 • group 7 • group 1 • group 0 • halogen ion • positive ion • giant ionic crystal • rows in periodic table • columns in periodic table • table with all atoms in it • number of protons in nucleus • noble gases are very ........ • elements that exist as 2 atoms • made up of 1 type of atom only • simple covalent substance (CH4) • poor conductor low melting point • ...
CHEMISTRY 2013-07-25
Across
- transition elements and it is in the middle of the periodic table
- mass of substance per unit volume
- wherein substance can believe as acid or base at the same time
- refers to the number of protons equal to number of electrons
- Group or family
- constant composition precision smallest estimated value
- form strong bases
- very stable and not reactive
- a pure substance that cannot be broken down into simpler substance by a chemical reaction
- refers us to the number of exact digits plus one digit which is estimated
- responsible if condition is maintained
- all molecular motion are dead
- a measure of the full of gravity of the earth in a body
- amount of matter in an object
- combining of two or more elements in definite combination or ratio
- a miniature solar system
Down
- retain only 1 uncertain digit
- number plus unit correct of significant figure
- good element of a body
- expansion due to increase kinetic energy of molecule
- organized, systematic arrangement of known elements based on INCREASING atomic number
- a negatively charged subatomic particle
- distance from the nucleus to the last level
- rare earth elements
- smallest exact digit or line which is taken directly from device
- salt-form
- left side of the periodic table
- building blocks of element
- smallest estimated value
- right side of the periodic table
30 Clues: salt-form • Group or family • form strong bases • rare earth elements • good element of a body • smallest estimated value • a miniature solar system • building blocks of element • very stable and not reactive • retain only 1 uncertain digit • all molecular motion are dead • amount of matter in an object • left side of the periodic table • right side of the periodic table • ...
Chemistry 2013-07-25
Across
- is a basic, ionic salt of an alkali metal or alkaline earth metal chemical element.
- are atoms of the same element, having same atomic number but different atomic masses due to the difference in the number of neutrons present.
- has no charge
- A measure of the rate at which a defined amount of matter
- is a way to measure how tightly packed an object is. Denser objects have less empty space in them
- name the measure of one-dimensional objects
- The act or state of being changed from one unit into another
- positively charge
- is a measure of the thermal energy given off by moving particles
- The ability of a measurement to match the actual value of the quantity being measured
- current (from Latin tellūs, "earth"), or Earth current, is an electric current which moves underground or through the sea
- is an atom or molecule in which the total number of electrons is not equal to the total number of protons
- number the number of protons in the nucleus of an atom of an element
- is a positively charged ion. Thus it has fewer electrons than protons. It is also attracted to the cathode in the process of electrolysis
- system is a system of measurement in a decimal form (each successive unit of measure is 10 times larger or smaller than the preceding unit). Its name is from the Greek (métron, to measure).
- the amount of space an object takes up.
- basic unit of an
Down
- The halogens or halogen elements (/ˈhælədʒɨn/) are a group in the periodic table consisting of five chemically related elements, fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine
- are the elements found along the stair-step line that distinguishes metals from non-metals
- Close, careful conformity to a convention, pattern, or objective standard in minute detail.
- refering to minutes , seconds hours
- is the process observing and recording the observations that are collected as part of a research effort.
- the force that gravitation exerts upon a body
- gravity the ratio of the density of a substance
- negatively charge
- table is a tabular arrangement of the chemical elements, organized on the basis of their atomic numbers, electron configurations and etc.
- measurement is a definite magnitude of a physical quantity, defined and adopted by convention or by law, that is used as a standard for measurement
- metals comprise, at minimum, those metallic chemical elements which have historically been used as components in alloys used to mint coins.
- good conductor of heat and electricity
- the quantitative measure of inertia
30 Clues: has no charge • basic unit of an • negatively charge • positively charge • refering to minutes , seconds hours • the quantitative measure of inertia • good conductor of heat and electricity • the amount of space an object takes up. • name the measure of one-dimensional objects • the force that gravitation exerts upon a body • gravity the ratio of the density of a substance • ...
Chemistry 2013-05-24
Across
- a substance that speeds up a chemical reaction without being permanently altered
- force exerted by a gas on a surface
- amount of a substance that will dissolve in a given quantity of a solvent at a given temperature
- a type of reaction that absorbs heat
- the measure of movement of heat energy
- solutions that conduct electricity due to ions
- amount of heat required to raise the temperature of one gram of water one degree
- a type of reaction that gives off heat
- the negatively charged part of an atom
- negative ion
- mass per unit volume
- state of matter that has no definite shape and no definite volume
- state of matter that has a definite shape and definite volume
- positive ion
Down
- a substance made up of one kind of atom
- the ability to do work or produce heat
- insoluble solid that is produced when two salt solutions are reacted
- the measure of how close measurements are to one another
- heat energy
- what is doing the dissolving
- solutions that do not ocnduct electricity
- instrument that measures atmospheric pressure
- molar concentration (M)
- a substance made up of two more more elements chemically combined
- a test to prove or disprove a hypothesis
- an insulated device that is designed to trap heat energy
- the new substances produced by a chemical reaction
- disorder
- the measure of how close a measurement is to the actual value
- atoms or compounds that have a positive or negative charge as a result of gaining or losing electrons
- the way of measuring concentration (m)
- state of matter that has no definite shape but definite volume
- the substance that starts a chemical reaction
- what is being dissolved
34 Clues: disorder • heat energy • negative ion • positive ion • mass per unit volume • molar concentration (M) • what is being dissolved • what is doing the dissolving • force exerted by a gas on a surface • a type of reaction that absorbs heat • the ability to do work or produce heat • the measure of movement of heat energy • a type of reaction that gives off heat • ...
Chemistry 2013-06-13
Across
- how poisonous a substance is
- a row across the periodic table
- the ability of a substance to catch fire
- a characteristic or feature of a substance
- the ability of a substance to be drawn into wire4s
- occurs when a substance changes to produce a new substance
- a substance used up in a chemical reaction
- a particle in which two or more atoms of different non-metal elements are chemically bonded together
- both a philosophy and ancient practice of science; alchemists attempted to turn base elements into preciou metals and to create a substance that would provide immortality
- the breakdown of a metallic substance due to a chemical reaction with substances in the environment, such as oxygen and water
- a green patina caused by the reaction of copper with air or sea water over a long period of time
- a large molecule made up of small repeating subunits chemically bonded together
- occurs when the form of a substance changes, but the kind of substance remains the same; foe example, a change of state and dissolving
- a molecule consisting of two atoms ('di-' meaning 'two'; 'atomic' meaning 'atom')
- a substance made up of the same type of particle
Down
- a plastic made from starch derived from plants such as corn and potato
- the properties of substance that can be observed or examined without changing the composistion of a substance
- the ability of a substance to transfer electricity: good electrical conductors transfer electricity well; poor electrical conductors (insulaters) transfer electricity poorly
- a particle in which two or more atoms of the same non-metal elements are chemically bonded together
- a column down the periodic table
- does not break down
- the properties that show how a substance reacts when combined with other substances
- a letter (or letters)of the alphabet used to represent an atom of a specific element
- the ability of a substance to transfer heat: good heat conductors transfer well; poor heat conductors (insulators) transfer heat poorly
- how shiny a material is
- a pure substance made up of only one type of atom; cannot be broken down into a simpler substance
- a collection of symbols and numbers that represents the number of atoms in a particle of an element or compound
- the ability of a substance to bend or be hammered into different shapes
- a new substance produced in a chemical reaction
- when the chemical make-up of a substance changes, and a new substance or substances sre formed
- a pure substance made up of two or more different atoms chemically bonded together
- a compound produced when iron reacts with oxygen and water in the atmoshere
- a substance made up of different types of particle, physically combined
33 Clues: does not break down • how shiny a material is • how poisonous a substance is • a row across the periodic table • a column down the periodic table • the ability of a substance to catch fire • a characteristic or feature of a substance • a substance used up in a chemical reaction • a new substance produced in a chemical reaction • ...
Chemistry 2013-06-13
Across
- (two words)a letter (or letters) of the alphabet used to represent an atom of a specific chemical element
- a characteristic or fearure of a substance
- a pure substance made up of two or more different atoms chemically bonded together
- a row across the periodic table
- how poisonous a substance is
- (four words)a particle in which two or more atoms of different non-mental elements are chemically bonded together
- (two words)occurs when the form of a substance changes
- (two words)when the chemical make-up of a substance changes, and a new substance or substances formed
- (two words) the abililty of a substance to transfer heat
- the ability of a substance to catch fire
- a pure substance made up of only one type of atom; cannot be broken down into a similar substance
- (two words)the properties of substance that can be observed or examined without changing the composition of a substance
- (two words)a collection of symbols and numbersthat represents the number of atoms in a particle of an element or compound
- how shiny a material is
- (two words)the properties that show how a substance reacts when combined with other substances
- doesn't break down
- (two words)occurs when a substance changes to produce a new substance
- the ability of a substance to bend or be hammered into different shapes
- (two words)a substance made up of the same type of particle
- a substance used up in a chemical reaction
- a molecule consisting of two atoms
Down
- (four words)a particle in which two or more atoms of the same non-mental element are chemically bonded together
- capable of decomposing by the action of micro-organisms
- a new substance produced in a chemical reaction
- a patina caused by the reation of copper with air or sea water over a long period of time
- the breakdown of a metallic substance due to a chemical reaction with substances in the environment, such as oxygen and water
- (two words) the ability of a substance to transfer electricity
- a column down the periodic table
- both a philosophy and ancient practice of science
- a large molecule made up of small repeating subunits chemically bonded together
- a substance made up of different types of particle, physically combined
- the ability of a substance to be drawn into wires
- a compound produced when iron reacts with oxygen and water in the atmosphere
- a plastic made from starch derived from plants such as corn and potato
34 Clues: doesn't break down • how shiny a material is • how poisonous a substance is • a row across the periodic table • a column down the periodic table • a molecule consisting of two atoms • the ability of a substance to catch fire • a characteristic or fearure of a substance • a substance used up in a chemical reaction • a new substance produced in a chemical reaction • ...
CHEMISTRY 2013-07-26
Across
- building blocks of the nucleon
- quantum no. that describes the orientation of the electron wave in space
- anything that has mass and occupies volume
- equal to the number of energy level
- poor conductors of heat and electricity
- an operator with the least number of significant figures
- equal to the mass of substance per unit volume
- 2 phases or more mixture
- negative proton
- the said that the electron orbit is circular
- quantum no. that describes the shape of the electron wave
- distance of the nucleus from the last energy level
- positive electron
- 10 x f.u.
- equal to the number of electron in the outermost shell
- smallest estimated reading/value
- measure of the gravitational pull of the earth on a body
Down
- can be drawn into wire
- particle responsible for chemical reactions
- can be hammered
- substance consisting of 2 or more components
- he created the modern periodic table
- they are shiny, luster, and sheen
- 3 elements in a group with the same properties
- 1/1000000 x f.u.
- smallest region of space
- amount of matter in a body
- the lowest possible temperature
- consists of positively charged nucleus at the center; surrounded by negatively charged particle
- has mass and moves in a simple manner
- a particle inside a nucleus
31 Clues: 10 x f.u. • can be hammered • negative proton • 1/1000000 x f.u. • positive electron • can be drawn into wire • 2 phases or more mixture • smallest region of space • amount of matter in a body • a particle inside a nucleus • building blocks of the nucleon • the lowest possible temperature • smallest estimated reading/value • they are shiny, luster, and sheen • ...
Chemistry 2013-09-12
Across
- As
- rusts easily
- white and chalky
- 95
- has mass and takes up space
- larger portion in a solution
- found in bananas
- pH lower than 7
- 6.02 times 10 to the 23rd power
- makes table salt with chlorine
- Es
- Ag
- alloys well with steel
- form of matter that has a fixed volume and mass
- mixture that is not uniform in composition
- Sb
- measure of space occupied by a sample of matter
- burns with a white hot flame
- any part of a sample with uniform composition and properties
- lightest element
- matter that has a uniform and definite composition
- Rn
- a homogenous mixture
- smaller portion in a solution
- 92
Down
- 50
- oldest artificial sweetener. made by someone looking for more uses of coal tar
- Co
- a major export of Arkansas
- deals with mechanisms, rate, and energy transfer when matter undergoes a change
- amount of matter in an object
- focuses on composition of matter
- has definite shape, volume, and mass
- 59
- process that separates a solid from a liquid
- form of matter that has no definite shape, volume, and mass
- basis for computer industry
- study of substances not containing carbon
- depends on type of matter
- a physical blend of two or more substances
- process used to separate components using differences in boiling points
- area of chemistry that focuses on processes inside organisms
- mixture that is uniform in composition
- the gaseous state of a substance that is normally solid or liquid at room temperature
- used for breathing, very flammable
- depends on amount of matter
- C
- 36
- Au
- pH higher than 7
- study of compounds containing carbon
51 Clues: C • 50 • As • Co • 95 • 59 • Es • Ag • Sb • 36 • Au • Rn • 92 • rusts easily • pH lower than 7 • white and chalky • found in bananas • lightest element • pH higher than 7 • a homogenous mixture • alloys well with steel • depends on type of matter • a major export of Arkansas • has mass and takes up space • basis for computer industry • depends on amount of matter • larger portion in a solution • burns with a white hot flame • ...
chemistry 2013-11-03
Across
- contains the dispersed particle and dispersing medium
- proposed by Jacques Charles
- have definite physical and chemical properties
- (quality) "the elements/compounds present".
- proposed by Robert Boyle
- heat is absorbed
- study of substances without carbon.
- used as holder or small amount of solution
- basic unit of matter
- liquids,gases and some solids
- the study of matter.
- subatomic particles involved in nuclear reactions.
- generally solids
- holds or pick-up small objects
- comparison between unknown quantities using a standard unit
Down
- liquid measuring container.
- have definite number of atoms and they are chemically combined
- discovered the nucleus of the atom
- measures volume of solutions
- semi conductors
- composed of disolved substance
- study of carbon containing compound.
- (measurable) "how much is present".
- used in distillation
- measures approximate volume of liquids
- exist in two or more phase system
- charged elements
- proposed the planetary model of the atom
- exist in one phase system
- stucture,mechanism,theoritical aspects.
30 Clues: semi conductors • heat is absorbed • charged elements • generally solids • used in distillation • basic unit of matter • the study of matter. • proposed by Robert Boyle • exist in one phase system • liquid measuring container. • proposed by Jacques Charles • measures volume of solutions • liquids,gases and some solids • composed of disolved substance • holds or pick-up small objects • ...
Chemistry 2013-11-02
Across
- relates gas temperature to its volume
- a compound that has a pH or more than seven; released hydroxide ions in solution, accepts hydrogen ions or releases an electron pair
- the change of a liquid to a gas
- change from liquid to solid
- have no fixed shape; can move around freely
- conversion of a liquid to a gas or vapor
- describes relationship between pressure of gas and its volume
- the change of a gas to a liquid
- able to be dissolved in a solute
- the measure of how acidic or basic a solution is
- the temperature at which a solid becomes a liquid
- a chemical reaction between an acid and a base that produces water and a salt
- a state of matter in which the object has a definite shape and volume
Down
- a transition of matter from one state to another
- a fourth state of matter distinct from solid or liquid or gas
- no definite shape or volume
- the conjugate acid ion that is made during the self-ionization of water
- unable or barely able to be dissolved in a solute
- the temperature at which a solid becomes a liquid
- the minor component in a solution, dissolved in the solvent
- the temperature at which a liquid changes to a gas
- the liquid in which a solute is dissolved to form a solution
- a change directly from the solid to gas without becoming a liquid
- a compound that has a pH of less than seven; releases or donates hydrogen ions in solution or accepts an electron pair
24 Clues: no definite shape or volume • change from liquid to solid • the change of a liquid to a gas • the change of a gas to a liquid • able to be dissolved in a solute • relates gas temperature to its volume • conversion of a liquid to a gas or vapor • have no fixed shape; can move around freely • a transition of matter from one state to another • ...
Chemistry 2013-11-05
Across
- molecules that contain carbon except Co2 and HCo3
- bitter taste and turns red litmus paper to blue
- heat is absorbed
- Tentative explanation to a problem
- enter into reversible chemical combination with a dissolve molecule ion
- is a substance that is being dissolved
- Comparison between unknown quantities using a standard unit
- positively charged particle
- study of matter and changes it undergoes
- a substance that tells us that if is an acid or base one color change
- three or more elements in a compound
- contains the dispersed particle and dispersing mixture
- negatively charged particle
Down
- force exerted by gas molecules in a given area
- it is a charge elements
- number of mole of a substance in a solution for each mole
- a positively charged element
- two elements from a single compound
- average kinetic energy of the gas particles
- neutralization reaction
- is a substance that is dissolved
- a homogeneous mixture of two or more substance
- according to him matter is composed of tiny invisible particles called "atomos"
- it is the basic unit of matter
- amount of any substance that contains avogadro's number of particles
- sour taste and turns blue litmus paper to red
- heat is released in a form of radiant energy
- compounds that do not have carbon except Co2 and HCo3
- a hard and malleable material
29 Clues: heat is absorbed • it is a charge elements • neutralization reaction • positively charged particle • negatively charged particle • a positively charged element • a hard and malleable material • it is the basic unit of matter • is a substance that is dissolved • Tentative explanation to a problem • two elements from a single compound • three or more elements in a compound • ...
Chemistry 2013-12-07
Across
- a variable whose variation does not depend on that of another.
- a part or aspect of something abstract.
- firm and stable in shape.
- an airlike fluid substance which expands freely to fill any space available.
- the measurement or extent of something from end to end.
- a group of atoms bonded together, representing the smallest unit of a chemical compound that can take part in a chemical reaction.
- branch of science that deals with identification of substances of which matter is composed, the investigation of their properties and the ways in which they interact, combine, and change, and the use of these processes to form new substances.
- variable whose value depends on that of another.
- a stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids.
Down
- relating to or denoting chemical bonds formed by the sharing of electrons between atoms.
- a proposed explanation made on the basis of limited evidence.
- energy that a body possesses by virtue of being in motion.
- an amount of space between two things or people.
- an electron in the outer shell of an atom which can combine with other atoms to form molecules.
- safety precautions taken to prevent injury in laboratories.
- study of the structure and behavior of the physical and natural world through observation and experiment.
- a large body of matter with no definite shape.
- having a consistency like that of water or oil.
- physical substance in general, as distinct from mind and spirit that which occupies space and possesses rest mass.
- the amount of space that a substance or object occupies.
20 Clues: firm and stable in shape. • a part or aspect of something abstract. • a large body of matter with no definite shape. • having a consistency like that of water or oil. • an amount of space between two things or people. • variable whose value depends on that of another. • the measurement or extent of something from end to end. • ...
Chemistry 2014-02-18
Across
- the chemical element of atomic number 72
- a concentration unit, defined to be the number of moles of solute divided by the number of liters of solution.
- Usually the term is applied to an ionic compound produced by reacting an acid with a base.
- an optical instrument used for viewing very small objects
- An expression which states the number and type of atoms present in a molecule of a substance.
- chemical element with symbol Cn and atomic number 112. It is an extremely radioactive synthetic element that can only be created in a laboratory
- chemical element is a measure of the size of its atoms
- hold the test tubes and keep them in a secure position without being held by hand
- to heat material for experiments
- used to hold the test tube
- the forces between particles that are caused by their electric charges.
- Father of Science
- abbreviation of Iron
- chemical element with symbol Ba and atomic number 56
- the chemical element of atomic number 86
Down
- the branch of science that deals with the identification of the substances of which matter is composed
- a balance consisting of a lever with two equal arms and a pan suspended from each arm
- They may be represented by X + Y → XY Combination reactions are usually exothermic.
- has a definite volume, it does not have a definite shape.
- chemical element with symbol Hs and atomic number 108, named in honor of the German state of Hesse
- an atom or molecule is defined as the amount of energy released when an electron is added to a neutral atom
- physical substance in general, as distinct from mind and spiri
- a lipped cylindrical glass container for laboratory use.
- a unit of concentration, defined to be equal to the number of moles of solute divided by the number of kilograms of solvent.
- the chemical element of atomic number 52
- state of matter consisting of particles that have neither a defined volume nor defined shape.
- measuring and indicating temperature
- able to dissolve other substances
- a chemical substance that neutralizes alkalis, dissolves some metals, and turns litmus red; typically, a corrosive or sour-tasting liquid of this kind.
- a chemical species that donates electrons or hydroxide ions or that accepts protons.
30 Clues: Father of Science • abbreviation of Iron • used to hold the test tube • to heat material for experiments • able to dissolve other substances • measuring and indicating temperature • the chemical element of atomic number 72 • the chemical element of atomic number 52 • the chemical element of atomic number 86 • chemical element with symbol Ba and atomic number 56 • ...
chemistry 2013-11-07
Across
- composed of positive and negative ions that are combined so that the numbers of positive and negative charges are equal
- a covalent bond in which one pair of electrons is shared between two atoms
- indicates the kind number arrangment and bonds but not the unshared pairs of the atoms in a molecule
- simplest collection of atoms from which an ionic compound formula can be established
- the energy required to break a chemical bond and formal neutral isolated atoms
- a charged group of covalently bonded atoms
- intermolecular attractions resulting from the constant motion of electrons and the creation of instantaneouse dipoles
- results from the sharing of electron pairs between to atoms
- the mixing of two or more atomic orbitals of similar energies on the same atom to produce a new hybrid atomic orbitals of equal energies
- shows the type and numbers of atoms combined in a single molecule of a molecular compound
- the repulsion between the sets of valence level electrons surrounding an atom causes these sets to be oriented as far as possible
- and triple bonds
- 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
- refers to bonding in molecules or ions that cannot be correctly represented by a single lewis structure
- atomic symbols represent nuclei and inner shell electrons dot pairs or dashes between two atomic symbols represent electron pair in covalent bonds and dots adjacent to only one atomic symbol represent unshared electrons
- an uneven distribution of charge
- a chemical compound whose simplest units are molecules
- the ability of a substance to be drawn or pulled or extruded through a small opening to produce a wire
- chemical bonding that results between cations and anions
- created by equla but opposite charges that are seperated by a short distance
- represented by placing dots around a particular element
- the energy released when one mole of an ionic crystalline compound is formed from gaseious ions
- a covalent in which the bonding electrons are shared equally by the bonded atoms resulting in a balanced distribution of electrical charge
- a covalent bond in which the bonded atoms have an unequal attraction for the shared electrons
- orbitals of equal energy produced by the combination of two or more orbitals on the same atom
- a mutual electrical attraction between the nuclei and valance electrons of different atoms that bind atoms together
- chemical bonding that results from the attraction between metal atoms and surrounding sea of electrons
- indicates the relative numbers of atoms of each kind in a chemical compound by using atomic symbols and numerical subscripts
- the ability of a substance to be hammered or beaten into this sheets
- a neutral group of atoms that are held together by covalent bonds
30 Clues: and triple bonds • an uneven distribution of charge • a charged group of covalently bonded atoms • a chemical compound whose simplest units are molecules • represented by placing dots around a particular element • chemical bonding that results between cations and anions • results from the sharing of electron pairs between to atoms • ...
chemistry 2013-11-07
Across
- composed of positive and negative ions that are combined so that the numbers of positive and negative charges are equal
- a covalent bond in which one pair of electrons is shared between two atoms
- indicates the kind number arrangment and bonds but not the unshared pairs of the atoms in a molecule
- simplest collection of atoms from which an ionic compound formula can be established
- the energy required to break a chemical bond and formal neutral isolated atoms
- a charged group of covalently bonded atoms
- intermolecular attractions resulting from the constant motion of electrons and the creation of instantaneouse dipoles
- results from the sharing of electron pairs between to atoms
- the mixing of two or more atomic orbitals of similar energies on the same atom to produce a new hybrid atomic orbitals of equal energies
- shows the type and numbers of atoms combined in a single molecule of a molecular compound
- the repulsion between the sets of valence level electrons surrounding an atom causes these sets to be oriented as far as possible
- and triple bonds
- 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
- refers to bonding in molecules or ions that cannot be correctly represented by a single lewis structure
- atomic symbols represent nuclei and inner shell electrons dot pairs or dashes between two atomic symbols represent electron pair in covalent bonds and dots adjacent to only one atomic symbol represent unshared electrons
- an uneven distribution of charge
- a chemical compound whose simplest units are molecules
- the ability of a substance to be drawn or pulled or extruded through a small opening to produce a wire
- chemical bonding that results between cations and anions
- created by equla but opposite charges that are seperated by a short distance
- represented by placing dots around a particular element
- the energy released when one mole of an ionic crystalline compound is formed from gaseious ions
- a covalent in which the bonding electrons are shared equally by the bonded atoms resulting in a balanced distribution of electrical charge
- a covalent bond in which the bonded atoms have an unequal attraction for the shared electrons
- orbitals of equal energy produced by the combination of two or more orbitals on the same atom
- a mutual electrical attraction between the nuclei and valance electrons of different atoms that bind atoms together
- chemical bonding that results from the attraction between metal atoms and surrounding sea of electrons
- indicates the relative numbers of atoms of each kind in a chemical compound by using atomic symbols and numerical subscripts
- the ability of a substance to be hammered or beaten into this sheets
- a neutral group of atoms that are held together by covalent bonds
30 Clues: and triple bonds • an uneven distribution of charge • a charged group of covalently bonded atoms • a chemical compound whose simplest units are molecules • represented by placing dots around a particular element • chemical bonding that results between cations and anions • results from the sharing of electron pairs between to atoms • ...
Chemistry 2013-11-20
Across
- Particle with positive charge
- Example of a giant covalent structure
- Fl
- Ionic bonds conduct electricity if they are
- bonding Bond between two non-metals
- Ionic solids conduct electricity if
- Covalent bonds share
- Metals have.... ions
- In the Periodic Table, metals and non metals are separated by a
- Metal with Atomic number of 52
- electrons In metallic bonding, there is a sea of
- Protons and neutrons are located in the
- Different number of neutrons but same number of electrons
- Particle with no charge
- Name of group 7
Down
- Regular arrangement of particles
- Sodium + chlorine
- Non-metals have.... ions
- Lithium
- Name of group 8
- earth metals Name of group 2 metals
- Transition metals have... compounds
- Particle with negative charge
- Liquid element at room temperature
- In group 7, size and mass of atoms... down the group
- bonding Bond between a metal and a non-metal
- Metals conduct
- Graphite can be used as a
- Everything is made up of millions of
- of electron shells Periods in the periodic table tell us
30 Clues: Fl • Lithium • Metals conduct • Name of group 8 • Name of group 7 • Sodium + chlorine • Covalent bonds share • Metals have.... ions • Particle with no charge • Non-metals have.... ions • Graphite can be used as a • Particle with positive charge • Particle with negative charge • Metal with Atomic number of 52 • Regular arrangement of particles • Liquid element at room temperature • ...
Chemistry 2014-03-12
Across
- Atoms tend to gain, lose or share electrons so they have 8 electrons
- What types of elements are found in a ionic compound
- Dissolve easily in water and other polar solvents
- Indicates the relative number of atoms of each kind in chemical compounds
- ions can form from isolated atoms and by electron transfer between atoms of different elements
- What type of electrons are able to participate in chemical bonds
- which elements have stable electron configurations
- When different atoms in 2 different compounds trade places
- how does the name change in a ionic compound
- Ionic compounds that form this structure
- is related to the number of valence electrons on the atom
Down
- an attraction between atoms that allows the formation of chemical substances that contain two or more atoms
- An atom with more or less electrons than protons
- drawing that shows valence electron movement between atoms
- Number assigned to an element in chemical combination that represents the number of electrons lost
- an electron moves from an atom or a chemical species to another atom or chemical species
- valence of an ion is the coefficient that, when multiplied by the elementary charge, gives the ion's charge.
- Metals lose their valence electrons to form positive ions
- the energy required to completely remove an electron from a gaseous atom or ion.
- When one element replaces another on in a compound
- Non metals gain valence electrons to form negative ions
- 2 or more elements or compounds combine to make a more complex substance
- Compounds break down into simpler substances
- formation formed between ions with opposite charges
24 Clues: Ionic compounds that form this structure • Compounds break down into simpler substances • how does the name change in a ionic compound • An atom with more or less electrons than protons • Dissolve easily in water and other polar solvents • When one element replaces another on in a compound • which elements have stable electron configurations • ...
Chemistry 2014-06-05
CHEMISTRY 2014-07-19
Across
- / is the name of the force exerted on an object due to the acceleration of gravity.
- / amount of matter in a body
- / is anything that has mass and occupies space.
- / a column in the periodic table
- / process of comparing something with a standard.
- / refers to the smallest estimated value taken directly from the device.
- / refers to the smallest exact value taken directly from the device.
- / a row in the periodic table
- / an element located in group 2A of periodic table.
- / an element contained in one of the 10 columns in the periodic table
- / modern periodic table
- / is a quantity that compares the density of a substance with the density of water at 4'C
- / simplest known substance.
- / cannot be broken down into simpler components by ordinary mechanical means; fixed composition
- / have properties intermediate between metals and nonmetals.
- / uncharged particles
- / contains 2 or more components whose composition may be varied.
- / atoms of the same elements having a different number of neutrons
- / are shiny substance that conduct heat and electricity.
Down
- / negatively charged particles
- / deals with the study of matter--its composition, properties, and transformations.
- / an element located in group 1A.
- / number of protons + number of neutrons
- / a group consisting of 3 elements with the same properties.
- / a compound that contains both a hydrogen atom and a lone pair of electrons so that it can be either an acid or a base.
- / is a measure of how hot or cold an object is.
- / are poor conductors of heat and electricity.
- / is a physical property that relates the mass of a substance to its volume.
- / the 1st and 8th element resemble one another in physical & chemical properties.
- / positively charged particles
30 Clues: / uncharged particles • / modern periodic table • / simplest known substance. • / amount of matter in a body • / a row in the periodic table • / negatively charged particles • / positively charged particles • / a column in the periodic table • / an element located in group 1A. • / number of protons + number of neutrons • / are poor conductors of heat and electricity. • ...
Chemistry 2014-09-15
Across
- Enzyme names usually end in these three letters
- Compounds that contain carbon; found in living things
- Protein that transports oxygen in the blood
- Main component of plant cell walls
- Lipids include oils, waxes, steroids & these
- Protein hormone that diabetics lack
- Enzyme activity is affected by pH & _____
- If enzymes get too hot they do this
- Protein that catalyzed biochemical reactions
- Plants make sugars through this process
- The space on the enzyme where the substrate fits (2 words)
- The molecule on which the enzyme acts
Down
- Plants store extra sugar as this molecule
- Chemical signals that travel in the blood
- Enzymes are very specific, like a lock and ___
- Animals store extra sugar as this molecule
- Nucleic acids are polymers of these
- There are made up of glycerol + 3 fatty acids
- Proteins that protect your body against infections
- Names of these typically end in "-ose"
- Main component of cell membranes
- Main source of energy in living things
- Enzymes lower the amount of ______ needed to break down substrates
- Polymers of amino acids
- Nucleic acids store & transmit this kind of information
25 Clues: Polymers of amino acids • Main component of cell membranes • Main component of plant cell walls • Nucleic acids are polymers of these • Protein hormone that diabetics lack • If enzymes get too hot they do this • The molecule on which the enzyme acts • Names of these typically end in "-ose" • Main source of energy in living things • Plants make sugars through this process • ...
chemistry 2014-11-06
Across
- metalic and non-metalic
- metal and non-metal
- combination of symbols that represent a compound
- horizontal rows on the periodic table
- how much an atom weights(amu)
- positively charged particals
- non-reversible
- vertical columns on the periodic table
- new substance
- reversible
- neutral partical in the nucleus of an atom
- substances that react with another
Down
- group 17 on the periodic table
- the number of protons
- group 18 in the periodic table
- non-metal and non-metal
- lost or gain of electrons
- cloudy mixture, cannot be separated
- absorbs heat
- gas or liquid
- negative charge
- pure substances
- workplace hazardous materials info system
- combination of two or more elements
- releases heat
25 Clues: reversible • absorbs heat • gas or liquid • new substance • releases heat • non-reversible • negative charge • pure substances • metal and non-metal • the number of protons • metalic and non-metalic • non-metal and non-metal • lost or gain of electrons • positively charged particals • how much an atom weights(amu) • group 17 on the periodic table • group 18 in the periodic table • ...
CHEMISTRY 2014-10-28
Across
- elements that are excellent conductors of electricity
- what visual evidence proves that gas is created when mixing vinegar and baking soda
- the smallest known whole particle
- the number of protons in an atom's nucleus
- a physical property of when matter starts to change
- the process where liquids become vapor
- the process where a solid becomes a vapor
- a chart of elements
- a state of matter in which the molecules are packed tightly together
- the number of protons and neutrons in an atom's nucleus
- a mixture that is difficult to separate
- a process that causes molecules to pack together
- matter cannot be created or destroyed
- an atom that has gained or lost neutrons
Down
- the chemical formula for salt
- a substances ability to bend or reshape
- a state of matter where atoms are charged, far apart, and moving rapidly
- energy cannot be created nor destroyed
- gold
- an example of a metallic chemical reaction
- the process where vapor becomes liquid
- what an atom must lose or gain to become charged
- matter that does not react
- matter that responds when in contact with other matter
- a process that causes molecules to move away from each other
- a state of matter in which molecules are close but slide by each other
- where protons and neutrons are located
- a measurement of how slippery matter is
- an electrically charged atom
- a state of matter where atoms atoms are far apart and move fast
30 Clues: gold • a chart of elements • matter that does not react • an electrically charged atom • the chemical formula for salt • the smallest known whole particle • matter cannot be created or destroyed • energy cannot be created nor destroyed • the process where vapor becomes liquid • the process where liquids become vapor • where protons and neutrons are located • ...
Chemistry 2014-05-16
Across
- A substance composed of one type of atom only
- An energy level representing the distance of an electron from the nucleus of an atom.
- Vertical column of elements in the periodic table
- Separation of a mixture into fractions that differ in boiling points
- The number of protons in the nucleus of an atom
- Two or more different atoms held together by chemical bonds
- The sum of the numbers of protons and neutrons in the nucleus of an atom
- A subatomic particle that has a positive charge and that is found in the nucleus of an atom
Down
- Sum of the atomic masses of elements in a compound expressed in grams
- Negatively charged particle; located outside the atomic nucleus
- The process of purifying a liquid by boiling it and condensing its vapors
- A table that shows the elements, their atomic number, symbol, and average atomic mass; elements with similar chemical properties are grouped together
- The weighted mean mass of an atom of an element compared with one-twelfth of the mass of an atom of carbon-12; average mass of atoms of an element
- a technique that separates the components of a mixture on the basis of the tendency of each to travel or be drawn across the surface of another material
- A process that separates materials based on the size of their particles
- Smallest particle of an element
- One of two or more atoms with the same atomic number but with different numbers of neutrons
- A substance made up of atoms of two or more different elements joined by chemical bonds
- A horizontal row of elements in the periodic table
- A subatomic particle that has no charge and that is found in the nucleus of an atom
- A substance consisting of two or more substances mixed together but not chemically bonded together
21 Clues: Smallest particle of an element • A substance composed of one type of atom only • The number of protons in the nucleus of an atom • Vertical column of elements in the periodic table • A horizontal row of elements in the periodic table • Two or more different atoms held together by chemical bonds • Negatively charged particle; located outside the atomic nucleus • ...
Chemistry 2014-09-04
Across
- gaseous state of a substance
- a homogeneous mixture
- mixture that is not uniform in composition
- anything with substance and takes up space
- process that seperates a solid from a liquid
- property that depends on the amount of matter in a sample
- process used to seperate components of a mixture using differences in boiling points
- carbon based chemicals
- form of matter that takes the shape and volume of its container
- mechanisms, rates, and energy transfers
- physical blend of two or more substances
- measure of space occupied by a sample of matter
Down
- property that depends on the type of matter in a sample
- form of matter that has definite shape and volume
- overlap of biology and chemistry
- mixture that is uniform in composition
- qualifying and quantifying samples
- matter that has uniform and definite compisition
- noncarbon based chemicals
- any part of a sample with uniform compositions and properties
- form of matter that flows and has a fixed volume
- measure of matter that an object contains
22 Clues: a homogeneous mixture • carbon based chemicals • noncarbon based chemicals • gaseous state of a substance • overlap of biology and chemistry • qualifying and quantifying samples • mixture that is uniform in composition • mechanisms, rates, and energy transfers • physical blend of two or more substances • measure of matter that an object contains • ...
Chemistry 2014-11-04
Across
- Substance made up of only
- Oxygen ion air reacts with metal
- Liquid to Gas
- Positively charged particle in the nucleus of an Atom
- Gas to Solid
- Anything that has mass and occupies space
- Ability of a substance to be dissolved in another
- Horizontal row of elements in the periodic table
- characteristics used to describe a substance
- Most reactive non-metal
- Substance that speeds up the chemical reaction
- Made up of one or more substances
Down
- Solid to Liquid
- Organic Catalyst
- Chemical reaction that releases energy
- Electrically charged atom
- Chemical reaction that absorbs energy
- New substance produced in a chemical reaction
- substance that resists flow of electricity
- Liquid to Solid
- Most reactive metal
- Material changes state but not composition
- Chemical reaction, oxygen reacts with a substance
- Solid that can be stretched into a long wire
- A substance that reacts with another substance to create a new substance
- Workplace Hazardous Materials Information System
26 Clues: Gas to Solid • Liquid to Gas • Solid to Liquid • Liquid to Solid • Organic Catalyst • Most reactive metal • Most reactive non-metal • Substance made up of only • Electrically charged atom • Oxygen ion air reacts with metal • Made up of one or more substances • Chemical reaction that absorbs energy • Chemical reaction that releases energy • Anything that has mass and occupies space • ...
Chemistry 2014-12-02
Across
- State of matter with no specific volume or shape
- what is the name of elements that are combined
- all the electrons in the very way outside energy level
- what is a person called that mixes chemicals
- if the atom has gained protons what do we call it
- how much mass is in a certain volume of matter
- potential for hydrogen
- when two or more chemical substances interact
- whether or not something can be made in to a wire
- a property of something that can bend without breaking
- what help scientists identify stuff
- if the atom has gained electrons what do we call it
- when atoms get hot enough they do this
Down
- replace matter with another type of matter
- the thickness or resistance to flow in a fluid
- what state of mater is free flowing
- the atomic mass minus the protons equals
- what are elements that come from the earth
- the chemical opposite of an acid
- a property that helps you tell real gold from fool’s gold
- anything that mass
- conducts electricity and ruins metal
- what is the study of matter
- what are the names of the crystals that are more valuable than others
- a property of something that can change into a different shape without breaking
- whenever atoms are sharing electrons
- point when a gas turns into a liquid what do we call this
- what is the name for repeating parts
- when an atom has eight electrons it’s an outer shell
- the amount of something takes
30 Clues: anything that mass • potential for hydrogen • what is the study of matter • the amount of something takes • the chemical opposite of an acid • what state of mater is free flowing • conducts electricity and ruins metal • what is the name for repeating parts • what help scientists identify stuff • whenever atoms are sharing electrons • when atoms get hot enough they do this • ...
chemistry 2015-01-28
Across
- Reactions in what take place in the solutions?
- Is a material that releases energy when it burns
- In the solution brass what is the solvent?
- Is the amount of a substance in a given volume.
- Is the substance that is present in a solution in a smaller amount and is dissolved by the solvent.
- What is a solution that carries sugar dissolved in water to tree cells?
- Is a mixture containing small, un-dissolved particles that do not settle out.
- Not all mixtures are what?
- Is a mixture in which particles can be seen easily separated by setting or filtration.
- In many common solutions the solvent is what?
Down
- Is a rapid reaction between oxygen and a substance called fuel.
- Is the part of a solution present in the largest amount.
- Water dissolves so many substances that it is often called what?
- If the solute and solvent are both gas what is the solution?
- Is a number placed in front of a chemical formula in an equation.
- Is anything that has mass and takes up space.
- In the solution soda what is the solute?
- Solutions can be made from any combination of solids, gases, and what?
- Is a mixed mixture that a solvent and at least one solution.
- Water and what make a suspension?
20 Clues: Not all mixtures are what? • Water and what make a suspension? • In the solution soda what is the solute? • In the solution brass what is the solvent? • Is anything that has mass and takes up space. • In many common solutions the solvent is what? • Reactions in what take place in the solutions? • Is the amount of a substance in a given volume. • ...
Chemistry 2015-02-23
Across
- A pure substance in which all the atoms are the same
- A state of matter in which the substance has definite shape and volume
- A substance obtained from one or more other substances as a result of a chemical reaction
- The study of matter
- A state of matter in which the substance takes the shape of its container
- A number of pure substances brought together
- original substance is changed to a new substance and cannot easily be recovered
- Referring to a solution that is not able to hold anymore solute at that temperature
- To change from a liquid to a gaseous state
- An element or compound that enters into a chemical reaction
- A homogeneous mixture in which the solute is uniformly distributed throughout the solvent
- A substance that is dissolved in a solution
Down
- The amount of mass in a substance per unit of volume
- Force of attraction between the surface of unlike bodies such as a solid and a liquid
- The force of attraction between the particles of a substance
- The smallest part of a compound that can exist and still retain the properties of that compound
- A mixture in which very small particles of a solid remain suspended without dissolving
- The process of passing a mixture of a liquid and a solid slowly through paper or other porous substance in order to remove the solid from the mixture
- The process of vaporizing and then condensing a liquid
- To pour off the top layer without disturbing the layers or sediment below
- A pure substance containing two or more elements united chemically
- The substance that does the dissolving in a solution
- A state of matter in which the substance had definite volume but takes the shape of the container
- The smallest part of an element that can exist and still retain the characteristics of that element
24 Clues: The study of matter • To change from a liquid to a gaseous state • A substance that is dissolved in a solution • A number of pure substances brought together • The amount of mass in a substance per unit of volume • A pure substance in which all the atoms are the same • The substance that does the dissolving in a solution • ...
Chemistry 2021-10-03
Across
- negatively charged particles
- partially positive and partially negative areas on a molecule due to an unequal sharing of electrons
- leads to surface tension
- number of protons in an element
- allows for capillary action
- used to observe and describe matter
- water is ____ dense as a solid than as a liquid
- bond where atoms transfer electrons from one to another (forms ions)
- molecule made of two hydrogen atoms and one oxygen atom
- does not dissolve in water
- atoms tend to gain, lose, or share electrons so to have ___ electrons in their outer shell
Down
- part of every atom, contains protons (p+) and neutrons (n)
- high pH, [OH-] ions in solution
- number of protons and neutrons in an atom
- Substances made of two or more kinds of atoms combined in definite proportions
- in a solution, this is what does the dissolving
- positively charged particles
- low pH, [H+] ions in solution
- describes matters "potential" to undergo some chemical change or reaction based on what elements, electrons, and bonding are present
- vertical columns in the periodic table
- water has a ___ heat of vaprization (specific heat)
- in a solution, this is what is being dissolved
- particles that carry NO charge
- will determine if something is an acid or a base and/or measure the pH by changing color
- horizontal rows in the periodic table
- does dissolve in water
- bond where atoms share electrons
27 Clues: does dissolve in water • leads to surface tension • does not dissolve in water • allows for capillary action • negatively charged particles • positively charged particles • low pH, [H+] ions in solution • particles that carry NO charge • high pH, [OH-] ions in solution • number of protons in an element • bond where atoms share electrons • used to observe and describe matter • ...
Chemistry 2021-09-21
Across
- (Na)
- a positively charged ion
- krypton, xenon, and
- fluorine, chlorine, bromine, iodine, and
- something not
- shell of the atom
- to attract a bonding pair of electrons
- molecule with a net electric charge
- substances characterized by high electrical and
- the distance between the nuclei
- table of the chemical elements
- hydrogen (H), lithium
- a measure of the tendency of an
- a column of elements in the
- a negatively charged ion
- helium, neon,
Down
- any process by which electrically
- helium, lithium, beryllium, boron, carbon, nitrogen, oxygen, and fluorine
- atomic numbers show a periodic variation of
- invented periodic table
- the successive occupation of the orbitals in a
- charged atoms
- structure and of most of their properties
- atoms or molecules are converted to
- those of metals and solid nonmetals or
- titanium, copper, nickel, silver, platinum, and gold
- the elements when arranged in the order of
- conductivity
- element whose properties are intermediate
- two identical atoms bonded together
30 Clues: (Na) • conductivity • something not • charged atoms • helium, neon, • shell of the atom • krypton, xenon, and • hydrogen (H), lithium • invented periodic table • a positively charged ion • a negatively charged ion • a column of elements in the • table of the chemical elements • the distance between the nuclei • a measure of the tendency of an • any process by which electrically • ...
chemistry 2021-10-08
Across
- a vertical column of elements in the periodic table- can show number of valence electrons.
- a group of two or more atoms held together by chemical bonds.
- Change a change in matter that cannot be reversed and results in a new substance being formed; signs of chemical change include gas production (bubbles), color change, temperature change, and/or precipitate forms.
- in a solution, the substance that dissolves.
- an element that has physical and chemical properties of both metals and nonmetals; can be a semi-conductor.
- a homogeneous mixture in which one substance completely dissolves in another substance.
- hard substance that will break or shatter easily.
- elements classified by physical properties that include shininess, malleability, ductility and conductivity.
- the smallest component of an element having the chemical properties of the element; smallest unit of matter
- Mass total mass of the protons and neutrons in an atom, measured in atomic mass units; number of protons + neutrons
- Number the number of protons in the nucleus of an atom.
- the elements or compounds produced by a chemical reaction.
- a solid that forms during a chemical reaction that takes place in a solution.
Down
- Mixture a mixture in which substances are not distributed evenly. (You can see the different parts)
- a horizontal row of elements in the periodic table- shows number of electron shells for an element.
- Mixture a mixture in which substances are distributed evenly. (You cannot see the different parts)
- Change a change in matter that usually can be reversed such as size, shape, or state.
- a substance that is present at the beginning of a chemical reaction.
- the tendency of a substance to undergo chemical changes.
- used to describe a material that can be hammered or beaten into thin sheets.
- in a solution, the substance that does the dissolving.
- an element that usually is a gas or brittle solid at room temperature, is not malleable or ductile, is a poor conductor of heat and electricity, and typically is dull.
- of Conservation of Mass the scientific principle that matter is neither created nor destroyed during a chemical change.
- a pure substance that is made up of only one kind of atom
- the ability of a substance to be pulled into a wire.
- a combination of two or more substances that are not chemically combined.
- a pure substance that forms when two or more elements are held together by a chemical bond; Every molecule of a compound is the same.
- an atom that has lost or gained an electrons and therefore has an electrical charge.
28 Clues: in a solution, the substance that dissolves. • hard substance that will break or shatter easily. • the ability of a substance to be pulled into a wire. • in a solution, the substance that does the dissolving. • Number the number of protons in the nucleus of an atom. • the tendency of a substance to undergo chemical changes. • ...
Chemistry 2021-10-08
Across
- A solid that forms during a chemical reaction that takes place in a solution.
- An atom that has lost or gained an electrons and therefore has an electrical charge.
- a solution, the substance that dissolves.
- A pure substance that is made up of only one kind of atom
- The scientific principle that matter is neither created nor destroyed during a chemical change.
- A mixture in which substances are distributed evenly. (You cannot see the different parts)
- A homogeneous mixture in which one substance completely dissolves in another substance
Down
- The elements or compounds produced by a chemical reaction.
- Used to describe a material that can be hammered or beaten into thin sheets.
- A substance that is present at the beginning of a chemical reaction
- A pure substance that forms when two or more elements are held together by a chemical bond; Every molecule of a compound is the same.
- A vertical column of elements in the periodic table- can show number of valence electrons.
- An element that usually is a gas or brittle solid at room temperature, is not malleable or ductile, is a poor conductor of heat and electricity, and typically is dull.
- A mixture in which substances are not distributed evenly. (You can see the different parts)
- A combination of two or more substances that are not chemically combined.
- Hard substance that will break or shatter easily.
- An element that has physical and chemical properties of both metals and nonmetals; can be a semi-conductor.
- A horizontal row of elements in the periodic table- shows number of electron shells for an element.
- In a solution, the substance that does the dissolving
- The ability of a substance to be pulled into a wire.
20 Clues: a solution, the substance that dissolves. • Hard substance that will break or shatter easily. • The ability of a substance to be pulled into a wire. • In a solution, the substance that does the dissolving • A pure substance that is made up of only one kind of atom • The elements or compounds produced by a chemical reaction. • ...
Chemistry 2020-12-18
Across
- The absolute value of the accepted variable minus the experimental divided by the accepte, then multiplied by 100.
- a group of atoms bonded together, representing the smallest unit of a chemical compound that can take part in a chemical reaction.
- Silver, Aluminum, Zinc, and Cadmium are specific elements with their own charges without Roman Numerals.
- A group of elements on the periodic chart that carries the D-Block.
- The man who discovered Oxygen.
- Cr2O7 with a charge of -2.
- how many Lewis Dots are on the element Helium?
- a large body of matter with no definitive weight.
- Positive charges in the nucleus of an atom.
- The man who discovered Carbon Dioxide.
Down
- The 36th element on the Periodic Table, also the name of Superman's home planet.
- Neutral charges in the nucleus of an atom.
- A column on the periodic chart is called_____.
- CO3 with a charge of -2.
- The general, physical substance.
- NO3 with a charge of -1.
- A pure substance that cannot be broken down by chemical means.
- Group 18 of the Periodic Chart is also known as the _____, which consists of Krypton, Argon, and Helium.
- All marks and one estimated number.
- Negative charges that travels around the nucleus of an atom.
20 Clues: CO3 with a charge of -2. • NO3 with a charge of -1. • Cr2O7 with a charge of -2. • The man who discovered Oxygen. • The general, physical substance. • All marks and one estimated number. • The man who discovered Carbon Dioxide. • Neutral charges in the nucleus of an atom. • Positive charges in the nucleus of an atom. • A column on the periodic chart is called_____. • ...
CHEMISTRY 2021-02-06
Across
- /vibrates in fixed position vigorously
- /drys ammonia
- /liquid to solid
- /concentrated___ acid drys most gases but ammonia
- /smallest particle that retains properties of an element
- /an ___cannot be broken down by ordinary chemical methods
- /gas to liquid,gas to solid
- /__flask is an equipment used for concentration
- /delivery collects gases that are less dense
- /gas___measures volume of gas
Down
- /delivery collects gases that are denser than air
- /displacement of water collects ___gases
- / solid to liquid
- /solid to gas
- /__ contains 2 or more elements or compounds that are not chemically bonded together
- /___ calcium chloride drys most gases
- /slides across one another
- /liquid to gas
- /far apart
- /___consists two or more elements joined together bu chemical reaction
20 Clues: /far apart • /solid to gas • /drys ammonia • /liquid to gas • /liquid to solid • / solid to liquid • /slides across one another • /gas to liquid,gas to solid • /gas___measures volume of gas • /___ calcium chloride drys most gases • /vibrates in fixed position vigorously • /displacement of water collects ___gases • /delivery collects gases that are less dense • ...
Chemistry 2021-01-25
Across
- The external features of a substance.
- Capacity of an acid to react with a base, measured by the number of hydrogen atoms that can be replaced by a base.
- Property of a substance defining how easily it ignites and burns.
- A chemical substance that produces hydrogen ions in solution and tastes sour.
- Point Temperature at which a solid substance becomes a liquid.
- Chemical reaction in which thermal energy is absorbed.
- The characteristic smell of a substance.
- The readiness of a substance to produce hydroxide ions.
- A chemical substance that produces hydroxide ions in solution and tastes bitter.
- The characteristic of being able to attract because of an electrical force
- Change Process where one or more substances are altered into new and different substances.
- Change A type of change in which the form of matter is altered but one substance is not transformed into another
- The ability to be hammered or pressed down
Down
- The ability to produce electricity
- The ability to be drawn out into thin wires
- The amount of matter in a defined volume. (density = mass/volume)
- Property of a substance relating to how easily it reacts with other substances.
- A solid substance that forms from a chemical reaction that takes place in a liquid solution.
- Point Temperature at which a liquid substance becomes a gas.
- The characteristic of a slow moving sticky substance
- Measure of the amount of matter in an object.
- The readiness of a substance to produce hydrogen ions.
- Chemical reaction in which thermal energy is released.
- Reaction Combining substances so that new substances are formed that are not separated by normal chemical means. The new substances have properties different from those of the original substances.
- The ability to rust do to oxygen
- Property A measurable characteristic (size, shape, or state ) of matter not involving interactions with other substances (as color, hardness, boiling point).
- Property A characteristic of a substance that describes its potential to change when interacting with other substances (reactivity with air or water, combustibility, flammability).
- Measure of acidity or basicity of a substance.
- The amount of space an object occupies.
29 Clues: The ability to rust do to oxygen • The ability to produce electricity • The external features of a substance. • The amount of space an object occupies. • The characteristic smell of a substance. • The ability to be hammered or pressed down • The ability to be drawn out into thin wires • Measure of the amount of matter in an object. • ...
Chemistry 2020-12-20
Across
- Physical property
- Conducts electricity and heat
- Chemical property
- 3rd element is oxygen
- Made of only one type of atom
- Gas to liquid
- A change in which no new substance is produced
- Column of periodic table
- A group of atoms joining together
- Where gas turns into liquid in distilation
- Metal mixtures
- 3rd element of periodic table
Down
- 20th element of periodic table
- A new substance made in a reaction
- Way to seperate two liquid
- Two or more elements not chemically bonded
- A tiny particle of matter
- Uses chemical symbols to show how many atom pf different elements are present in a molecule of an element or compound
- 6th element of periodic table
- Way to seperate colors
- Liquid to Solid
- When two element form a compound name often ends with
- Rows of periodic table
- A change in which new substances are produced
- Makes up 78% of air
- Two or more element chemically bonded
26 Clues: Gas to liquid • Metal mixtures • Liquid to Solid • Physical property • Chemical property • Makes up 78% of air • 3rd element is oxygen • Way to seperate colors • Rows of periodic table • Column of periodic table • A tiny particle of matter • Way to seperate two liquid • 6th element of periodic table • Conducts electricity and heat • Made of only one type of atom • ...
Chemistry 2021-10-23
Across
- divorce payment homonym
- pretzel salt metal
- radioactive halogen
- a fermion
- "I can __________ the bus"
- non-metallic nitrogen group solid
- smallest metal atoms
- color chemistry
- poison
- bluish metal
- pink metal
- common tincture
- corundum metal
- element minus the e and b in the similarly-named one
- Laxative and Epsom salt metal
- mineral parameter
Down
- ________ bond
- deep red liquid element
- rusts to green
- silicon carbide, for example
- turns liquid near room temperature
- the group 17s
- 3d5 4s2, for example: -------- configuration
- containing carbon in covalent bonds
- hard, light metal
- table salt to bleach addition
- ability to combine physically
- makes blue compounds
- toxic battery element
- mercury and sodium fill these
- ethyl, for example
- Schenk and florence, for example
32 Clues: poison • a fermion • pink metal • bluish metal • ________ bond • the group 17s • rusts to green • corundum metal • color chemistry • common tincture • hard, light metal • mineral parameter • pretzel salt metal • ethyl, for example • radioactive halogen • smallest metal atoms • makes blue compounds • toxic battery element • deep red liquid element • divorce payment homonym • "I can __________ the bus" • ...
Chemistry 2021-10-18
Across
- Beryllium
- Mass divided by density
- mass- 9.0190
- part of the solution that gets dissolved
- Part of the solution that does the dissolving
- mass divided by volume
- on mass
- Density times volume
- number- the amount of protons in an atom
- rely on mass
- two or more atoms that are chemically combined
- mixture with no visible difference
- particle that has no charge
Down
- subatomic particle negatively charged
- protons and neutrons are found
- anything with mass and takes up space
- number protons, different number of neutrons
- electrons are found
- property- No chemical change(cutting food)
- mixture you can see a visible difference
- smallest particle of an element
- property- Chemical change(Mixing substances
- atoms bonded together
- Subatomic particle positively charged
24 Clues: on mass • Beryllium • mass- 9.0190 • rely on mass • electrons are found • Density times volume • atoms bonded together • mass divided by volume • Mass divided by density • particle that has no charge • protons and neutrons are found • smallest particle of an element • mixture with no visible difference • subatomic particle negatively charged • anything with mass and takes up space • ...
Chemistry 2021-10-18
Across
- Beryllium
- Mass divided by density
- mass- 9.0190
- part of the solution that gets dissolved
- Part of the solution that does the dissolving
- mass divided by volume
- on mass
- Density times volume
- number- the amount of protons in an atom
- rely on mass
- two or more atoms that are chemically combined
- mixture with no visible difference
- particle that has no charge
Down
- subatomic particle negatively charged
- protons and neutrons are found
- anything with mass and takes up space
- number protons, different number of neutrons
- electrons are found
- property- No chemical change(cutting food)
- mixture you can see a visible difference
- smallest particle of an element
- property- Chemical change(Mixing substances
- atoms bonded together
- Subatomic particle positively charged
24 Clues: on mass • Beryllium • mass- 9.0190 • rely on mass • electrons are found • Density times volume • atoms bonded together • mass divided by volume • Mass divided by density • particle that has no charge • protons and neutrons are found • smallest particle of an element • mixture with no visible difference • subatomic particle negatively charged • anything with mass and takes up space • ...
Chemistry 2021-10-18
Across
- a pure substance that forms when two or more elements are held together by a chemical bond (every molecule of a compound is the same)
- a solid that forms during a chemical reaction that takes place in a solution.
- a combination of two or more substances that are not chemically combined.
- elements classified by physical properties that include shininess, malleability,ductile and conductivity.
- a pure substance that is made up of only one kind of atom.
- an atom that has lost or gained an electrons and therefore has an electrical charge.
- a mixture in which substances are distributed evenly ( you cannot see the different parts)
- the tendency of a substance to undergo chemical change.
- used to describe a material that can be hammered or beaten into thin sheets.
- a scientific principle that matter is neither created nor destroyed during a chemical change.
- in a solution , the substance that dissolves.
Down
- an element that has physical and chemical properties both metals and nonmetals can be semi-conducter
- a vertical column of elements in the periodic table shows number of valance electrons.
- a mixture in which substances are not distributed evenly (you can see the different parts)
- the smallest component of an element having the chemical properties of the element ( smallest unit of matter)
- a substance that is present at the beginning of a chemical reaction.
- hard substance that will break or shatter easily.
- he ability of a substance to be pulled into a wire.
- a homogeneous mixture in which one substance completely dissolves in.
- an element that usually is a gas or brittle solid at room temperature is not malleable or ductile is a poor conductor of heat and electricity and typically is dull.
- a group of two or more atoms held together by chemical bonds.
21 Clues: in a solution , the substance that dissolves. • hard substance that will break or shatter easily. • he ability of a substance to be pulled into a wire. • the tendency of a substance to undergo chemical change. • a pure substance that is made up of only one kind of atom. • a group of two or more atoms held together by chemical bonds. • ...
Chemistry 2021-11-02
Across
- level defined by the amount of rings an atom has
- A non-uniform combination of more than one substance
- the process of a liquid turning into a gas
- Poisonous materials wich cause immediate and severe harm
- the core of an atom
- The sum of the number of protons and neutrons in a nucleus
- An element that exists in various colors and phases, is brittle, and does not conduct electricity or heat well
- A physical property defined as a substance’s mass divided by its volume
- a chemical substance composed of many identical molecules composed of atoms from more than one element
- Atoms of the same element that have different numbers of neutrons
- a negatively charged ion
- may explode if heated punctured or dropped
- a positively charged ion
- bond The connection between two atoms in a molecule
- relating to, measuring, or measured by the quality of something rather than its quantity.
- the sum of protons in an element
- An educated guess
Down
- any substance that cannot be decomposed into simpler substances by ordinary chemical processes.
- may cause fire or explosion
- An indication of the size of an atom.
- may ingnite if exposed to heat or sparks
- A positively charged subatomic particle
- the process of a solid element becoming a liquid
- the process of a solid turning into a gas
- A uniform mixture of more than one substance that behaves as a single substance
- to, measuring, or measured by the quantity of something rather than its quality.
- a neutral subatomic particle
- Formed when electrons are taken/given to an element
- An element that conducts electricity and heat well and is shiny, silvery, solid, ductile, and malleable
- The process of a gas becoming a solid
- a negatively charged subatomic particle
- Materials which can cause or suspected of causing long term health effects
32 Clues: An educated guess • the core of an atom • a negatively charged ion • a positively charged ion • may cause fire or explosion • a neutral subatomic particle • the sum of protons in an element • An indication of the size of an atom. • The process of a gas becoming a solid • A positively charged subatomic particle • a negatively charged subatomic particle • ...
Chemistry 2021-11-05
Across
- anything with mass and volume
- process by which unstable atoms eject particles until they become stable
- measurement of the average motion of the particles in a substance
- an atom with a charge
- the most abundant element in the universe
- most elements in the human body are these
- the hottest state of matter
- most elements on the periodic table are these
- several atoms bonded together
- the study of atoms and their behavior
- particle in atoms with no charge
- chemical reaction where a fuel combines with oxygen to produce water and carbon dioxide
- a species of atom with a certain number of protons
Down
- the number of electrons the first energy level can hold
- the basic building block of matter
- a version of an element with a certain number of neutrons
- chemical reaction in which energy is released
- positive particle in atoms
- the center of an atom
- the amount of space something takes up
- the study of life
- bond where atoms share electrons
- the most important element for life
- when an atom splits into two smaller atoms
- when two atoms combine to make a larger atom
- bond where one atom gives electrons to another
- negative particle in atoms
27 Clues: the study of life • an atom with a charge • the center of an atom • positive particle in atoms • negative particle in atoms • the hottest state of matter • anything with mass and volume • several atoms bonded together • bond where atoms share electrons • particle in atoms with no charge • the basic building block of matter • the most important element for life • ...
Chemistry 2022-03-21
Across
- A number in front of a chemical formula
- A solid that forms from a solution during a chemical reaction
- Easy way to show a chemical reaction, using symbols
- Biological catalyst that lowers the activation energy of reaction in cells
- Material the decreases the rate of a reaction
- Study of the properties of matter and how it changes
- A substance that enters into a chemical reaction
- Process in which a substances undergo chemical changes that result in new substances
- System in which matter can enter and exit into the surroundings
- Principle stating that matter is not created or destroyed during a chemical reaction
- Chemical reaction in which two or more simple substances form a complex substance
- Reaction in which one element replaces another in a compound
Down
- A reaction that absorbs energy in the form of heat
- Anything that has mass and takes up space
- Change that alters the appearance of a material that doesn’t change the material into a different substance
- Minimum amount of energy needed to get a chemical reaction started
- A reaction that releases energy in the form of heat
- Chemical reaction that breaks down compound into simpler products
- Characteristic of a substance that describes its ability to change into different substances
- Amount of one material in a certain volume of another material
- A rapid reaction between oxygen and fuel that results in a fire
- A material that releases energy when it is burned
- System in which no matter is allowed to enter of exit
- Characteristic of a substance that can be seen without changing the substance
- A substance formed as a result of a chemical reaction
- Material that increases the rate of a reaction by lowering the activation energy
26 Clues: A number in front of a chemical formula • Anything that has mass and takes up space • Material the decreases the rate of a reaction • A substance that enters into a chemical reaction • A material that releases energy when it is burned • A reaction that absorbs energy in the form of heat • A reaction that releases energy in the form of heat • ...
chemistry 2022-01-05
Across
- A device used for measuring temperature.
- A particle of matter that uniquely defines achemical element.
- A vessel with a sphericial body
- It is used as a container to hold liquids.
- A pot in which metals or other substances are heated to a very high temperature or melted.
- A squeeze bottle with a nozzle, used to rinse various pieces of laboratory glassware, such as test tubes and round bottom flasks.
- This model has electrons surrounded by a volume of positive charge, like negatively charged "plums" embedded in a positively charged "pudding".
- It is a concave glass dish used for evaporation in chemistry. It can also be employed for weighing solids and as a lid for flasks and beakers.
- is used to boil chemicals.
- A lamp in which a volatile liquid fuel (such as alcohol) is burned made some coffee over a spirit lamp.
- They're widely used by chemists to handle chemicals, especially for qualitative experiments and assays.
- A simple container for stirring, mixing abd heating liquids.
- A bonding agent which is generally produced by mixing cementing or binding material (lime or cement) and fine aggregate (sand, surki, sawdust, etc.) with water.
- An object placed between a serving dish or bowl, and a dining table, usually to protect the table from heat damage.
Down
- A glass stirring rod which is used to mix or stir liquids and chemicals.
- A flask having a wide base,narrow neck, and conical form which is conwenient for swirling liqudis by hand.
- It is used to measure the volume of
- It is used to channel liquid or fine-grained substances into containers with a small opening.
- A pipette with its volume, in increments, marked along the tube. It is used to accurately measure and transfer a volume of liquid from one container to another.
- One of the foremost scientists of modern physics, best known for his substantial contributions to quantum theory and his Nobel Prize-winning research on the structure of atoms.
- A kitchen tool that has a handle which is bent upward and a wide, thin blade used for lifting and turning foods on a hot surface.
21 Clues: is used to boil chemicals. • A vessel with a sphericial body • It is used to measure the volume of • A device used for measuring temperature. • It is used as a container to hold liquids. • A simple container for stirring, mixing abd heating liquids. • A particle of matter that uniquely defines achemical element. • ...
Chemistry 2021-12-30
Across
- Used for heating substances that need to be heated evenly. The bulbed bottom allows the heat to distribute through the liquid more evenly.
- Used for storing, mixing, and heating small amounts of chemicals.
- it's necessary to measure the temperature of the required solution
- Used to heat, mix, and store liquids
- Used for moving small amounts of liquid from place to place
- Used to stir liquids. They are usually made of glass.
- Used to grind chemicals to powder
- Used to measure the volumes of liquids.
- Used to hold and heat liquids.
- İt's made up of porcelain and are used to store and heat substances when required to be heated at high temperatures since glassware are not always suitable for such high heat involving experiments.
- Used for moving small amounts of solid from place to place.
- Used for picking up and moving small objects.
Down
- Used to hold test tubes while heating.
- Used to pour liquids into any container so they will not be lost or spilled.
- Used in titrations to measure precisely how much liquid has been delivered.
- that is used to produce a magnified image of an object
- Used to measure one specific volume in mixing accurate solutions
- Used to wash or rinse other containers
- For separating layers of immiscible liquids or for dropping liquids.
- Used to hold solids when being weighed or transported. when you need to see something in the chemicals.
20 Clues: Used to hold and heat liquids. • Used to grind chemicals to powder • Used to heat, mix, and store liquids • Used to hold test tubes while heating. • Used to wash or rinse other containers • Used to measure the volumes of liquids. • Used for picking up and moving small objects. • Used to stir liquids. They are usually made of glass. • ...
Chemistry 2021-12-30
Across
- Used for storing, mixing, and heating small amounts of chemicals.
- Used for moving small amounts of solid from place to place.
- it's necessary to measure the temperature of the required solution
- Used to measure the volumes of liquids.
- Used to pour liquids into any container so they will not be lost or spilled.
- Used for moving small amounts of liquid from place to place
- Used to stir liquids. They are usually made of glass.
- İt's made up of porcelain and are used to store and heat substances when required to be heated at high temperatures since glassware are not always suitable for such high heat involving experiments.
- Used to measure one specific volume in mixing accurate solutions
Down
- Used to hold test tubes while heating.
- Used to wash or rinse other containers
- Used to hold and heat liquids.
- Used to grind chemicals to powder
- that is used to produce a magnified image of an object
- For separating layers of immiscible liquids or for dropping liquids.
- Used for picking up and moving small objects.
- Used to heat, mix, and store liquids
- Used in titrations to measure precisely how much liquid has been delivered.
- Used to hold solids when being weighed or transported. when you need to see something in the chemicals.
- Used for heating substances that need to be heated evenly. The bulbed bottom allows the heat to distribute through the liquid more evenly.
20 Clues: Used to hold and heat liquids. • Used to grind chemicals to powder • Used to heat, mix, and store liquids • Used to hold test tubes while heating. • Used to wash or rinse other containers • Used to measure the volumes of liquids. • Used for picking up and moving small objects. • Used to stir liquids. They are usually made of glass. • ...
Chemistry 2022-03-17
Across
- membuat aloi pengecor dengan timah dan kadmium
- nama proses pengolahan frasch dan sisilia
- digunakan sebagai bahan pembentukan gelatin hidroksida
- nama proses pengolahan tanur tinggi dan bassemer
- nama proses pengolahan ekstrasi
- nama proses pengolahan Hall-Heroult
- alfa alumina berwarna biru
- digunakan dalam pembentukan kembang api
- bahan material konduktor dan dalam insektisida
- digunkan pernapasan makhluk hidup
- digunakan untuk pembuatan pupuk, obat penyakit kulit
- alfa alumina berwarna kuning
- nama proses pengolahan dow
- unsur yg elektron terakhirnya mengisi subkulit d
- alfa alumina berwarna violet
Down
- sifat Al dan Be
- membuat pupuk urea
- alfa alumina berwarna merah
- digunakan dalam pembuatan peralatan teknik yang tahan getaran
- digunakan dalam industri pesawat terbang, mesin, dan turbin
- digunakan untuk solar sel
- digunakan sebagai bahan semikonduktor
- digunakan untuk melapisi logam agar tahan karat
- kepanjangan Ti
- nama proses pengolahan Deacon dan weldon
- digunakan membuat paduan logam, pembuatan mesin jet
- membuat kaleng makanan
27 Clues: kepanjangan Ti • sifat Al dan Be • membuat pupuk urea • membuat kaleng makanan • digunakan untuk solar sel • alfa alumina berwarna biru • nama proses pengolahan dow • alfa alumina berwarna merah • alfa alumina berwarna kuning • alfa alumina berwarna violet • nama proses pengolahan ekstrasi • digunkan pernapasan makhluk hidup • nama proses pengolahan Hall-Heroult • ...
Chemistry 2022-03-18
Across
- is a reaction in which energy is absorbed
- is a characteristic of a substance that describes its ability to change into other substances
- the cells in your body contain biological catalysts
- when the reaction is complete, you have new substances call...
- is any change that alters the form or appearance of a substance but does not make it into another substance
- the study of matter and how matter changes
- minimum amount of energy to start a chemical reaction
- the substances you have at the beginning are called...
- is a number placed in front of a chemical formula in an equation
- the amount of a substance in a given volume
- mass that is conserved in chemical reactions
- breaks down compounds into simpler products When a substance in complete you have a new substance called---
Down
- an easy way to show a chemical reaction using symbols instead of words
- a reaction that releases energy in the form of heat
- when two or more elements or compounds combine to make a complex substance
- matter can enter from or escape to the surroundings
- a material that increases the rate of a reaction by lowering the activstion
- a change in matter that produces one or more new substances in a chemical
- when two different elements switch places
- anything that has mass and takes up space
- is a characteristic of a substance that can be observed without changing the substance into another substance
- matter is not allowed to enter or leave
22 Clues: matter is not allowed to enter or leave • is a reaction in which energy is absorbed • when two different elements switch places • anything that has mass and takes up space • the study of matter and how matter changes • the amount of a substance in a given volume • mass that is conserved in chemical reactions • a reaction that releases energy in the form of heat • ...
Chemistry 2022-03-18
Across
- " A solid that form's from solution during a chemical reaction."
- The cells in your body contain biological catalysts called ENZYMES."
- "is a amount of a substance in a given volume."
- "When on element replaces another in a compound, or when two elements in different compounds trade places."
- reaction- "is a reaction in which energy is absorbed
- "The study of matter and how matter changes"
- "A material used to decrease the rate of a reaction"
- "In contrast to a synthesis reaction, a process called DECOMPOSITION breaks down compounds into simpler products."
- is a material that releases energy when it burns."
- The substance you have at the beginning"
- "when two or more elements or compounds combine to make more complex substances the process is called synthesis."
- equation-"is a short, easy way to show a chemical reaction, using symbols instead of words."
- reaction-"A reaction that releases energy in the form of heat"
- " a rapid reaction between oxygen and a substance called a fuel.
Down
- "is a number placed in font of chemical formula in an equation."
- property- a Characteristic of substance that describes its ability to change into other substances.
- "is anything that has mass and takes up space."
- system- " matter is not allowed to enter or leave."
- of mass- "during a chemical reaction, matter is not created or destroyed
- a material that increases the rate of reaction by lowering the activation energy."
- reaction- A change in matter that produces one or more new substances.
- "When the reaction is complete, you have new substances"
- system- "matter can enter from or escape to the surrounding."
- change- " is any change that alters the form or appearance of a substance but that does not make the substance into another substance.
- property- A characteristic of a substance that can be observed without changing the substance into another substance.
- energy- "is a minimum amount of energy needed to start a chemical reaction."
26 Clues: The substance you have at the beginning" • "The study of matter and how matter changes" • "is anything that has mass and takes up space." • "is a amount of a substance in a given volume." • is a material that releases energy when it burns." • system- " matter is not allowed to enter or leave." • reaction- "is a reaction in which energy is absorbed • ...
chemistry 2022-05-24
Across
- the quality, condition, or fact of being exact and accurate
- the quantity of matter in a physical body
- the SI base unit of length
- A measure of how innaccurate a measurement is
- he strength and vitality required for sustained physical or mental activity.
- the quality or state of being correct or precise.
- a metric unit of capacity
- each of the digits of a number that are used to express it to the required degree of accuracy, starting from the first nonzero digit.
- The temperature scale where 32 degrees is the freezing point of water and 212 degrees at
Down
- a form of presenting very large numbers or very small numbers in a simpler form.
- (of a letter, figure, or symbol) written or printed above the line
- the SI unit of mass
- how hot it is
- The SI unit of energy,
- a mistake
- the size, length, or amount of something
- mass of a unit volume of a material substance
- unit of thermal energy
- temperature at which a thermodynamic system has the lowest energy
- a metric unit of mass equal to one thousandth of a kilogram.
20 Clues: a mistake • how hot it is • the SI unit of mass • The SI unit of energy, • unit of thermal energy • a metric unit of capacity • the SI base unit of length • the size, length, or amount of something • the quantity of matter in a physical body • A measure of how innaccurate a measurement is • mass of a unit volume of a material substance • ...
Chemistry 2022-06-02
Across
- highly radioactive, was used in an atomic bomb
- smallest unit of matter that still retains its properties
- a pawsitive ion
- used to heat stuff
- the study of matter and its changes
- an atom or group of atoms that carry a charge
- produced hydroxide ions in solution
- glassware shaped like a triangle
- the concentration of H+ ions in a solution
- adding a known to an unknown solution to determine molarity
- neutral particle
- positively charged particle
- metal that is liquid at room temperature
- negatively charged particle
- water with something dissolved in it
Down
- has graduated marks to measure with
- discovered number 12
- used to weigh out dry reagents
- used to take a temperature
- the concentration of a solution
- made famous by Superman
- produces hydrogen ions in solution
- how tightly packed matter is
- one of these is equal to an element's mass on the periodic table
- an atomic model with a circular design with rings
- used to move dry reagents
- used to denot charge on in the name of a transition metal
- the element of life
- a negative ion
29 Clues: a negative ion • a pawsitive ion • neutral particle • used to heat stuff • the element of life • discovered number 12 • made famous by Superman • used to move dry reagents • used to take a temperature • positively charged particle • negatively charged particle • how tightly packed matter is • used to weigh out dry reagents • the concentration of a solution • ...
Chemistry 2022-06-11
Across
- materials do this when heated
- units for temperature
- the main part of the air on our planet
- Two hydrogens and an oxygen
- hydrochloric and sulphuric are examples
- The only liquid metal at room temperature
- Device for heating chemicals
- iron, copper and zinc are all examples of this type of substance
- Produced when a solvent dissolves a solute
- highest energy state of matter
- turns blue with universal indicator
Down
- Gas produce by a burning candle
- the low density gas in some balloons
- Glass container for chemical reactions
- the solid form of water
- Gas necessary for life
- a gas which pops with a lighted splint
- the main element in coal
- the colour of the cooler flame on a Bunsen burner
- the colour of the hottest flame on a Bunsen burner
- state of matter where particles vibrate about a fixed point
21 Clues: units for temperature • Gas necessary for life • the solid form of water • the main element in coal • Two hydrogens and an oxygen • Device for heating chemicals • materials do this when heated • highest energy state of matter • Gas produce by a burning candle • turns blue with universal indicator • the low density gas in some balloons • Glass container for chemical reactions • ...
Chemistry 2022-05-17
Across
- [Ar], 4s2,3d10,4p1
- when it goes from gas to liquid
- 1s2,2s2,2p4
- negatively charged ion
- uniform throughout
- when it goes from liquid to solid
- saturated hydrocarbons
- realtive ability to share electrons
- testable explanation
- [He],2s2,sp2
- how many electrons go in the "d" shell
- three forms ae solid,liquid and gas
- 1s2,2s2,3s2,3p6,4s2
- how many electrons go into the "p" shell
- 1s2,2s2,2p3
- 1s2,2s2,2p6,3s2
- a thouroughly tested explanation
- not uniform throughout
- the abbreviation is Ag
- captive zeros aren't significant
- electrons electrons on outermost ring
Down
- bonds formed by equal sharing of electrons
- when multiplying, what do you do with exponents
- what shape is the lewis structure for CO
- positively charged ion
- 1s2,2s2,2p6,3s1
- when it goes from solid to liquid
- 1s2,2s2,2p6,3s2,3p2
- 1s2,2s2,2p6,3s2,3p6
- 1s2,2s2,2p6,3s2,3p6,4s2,3d10,4p5
- 1s2,2s2,2p5
- when it goes from liquid to gas
- how many electrons go in the "s" shell
- we measure temperature in what unit?
- NaCl is an ionic compound
- unsaturated with double bonds
- what shape is the lewis structure for CH4
- 1s2,2s2,2p6,3s2,3p4
- how many electrons go in the "f" shell
- unsaturated with triple bonds
40 Clues: 1s2,2s2,2p4 • 1s2,2s2,2p5 • 1s2,2s2,2p3 • [He],2s2,sp2 • 1s2,2s2,2p6,3s1 • 1s2,2s2,2p6,3s2 • [Ar], 4s2,3d10,4p1 • uniform throughout • 1s2,2s2,2p6,3s2,3p2 • 1s2,2s2,2p6,3s2,3p6 • 1s2,2s2,3s2,3p6,4s2 • 1s2,2s2,2p6,3s2,3p4 • testable explanation • positively charged ion • negatively charged ion • saturated hydrocarbons • not uniform throughout • the abbreviation is Ag • NaCl is an ionic compound • ...
Chemistry 2022-05-19
Across
- The energy change that occurs when an electron is acquired by a neutral atom is called the atom’s electron affinity.
- if two or more different compounds are composed of the same two elements, then the ratio of the masses of the second element combined with a certain mass of the first element is always a ratio of small whole numbers.
- a chemical compound containing elements in exactly the same proportions by mass regardless of the size or source of the compound.
- the attraction between two or more atoms that allows them to be able to form a stable chemical compound.
- The first row of the f block are known as?
- the p block includes all of the
- has just three valence electrons, which tends to form bonds in which it is surrounded by six electrons.
- two nuclei and two electrons _____ each other.
- ______ is used to form chemical compounds.
- Red Atoms of different elements combine are known as?
- A ________ formula indicates the relative numbers of atoms of each kind in a chemical compound by using atomic symbols and numerical subscripts.
- All matter is composed of extremely small particles called?
- In the periodic table, the f-block elements are wedged between Groups 3 and 4 in the sixth and ______ periods.
- The elements of Group 1 of the periodic table are known as the _____ metals.
- Repeating patterns are referred to as ________.
- is the energy required to break a chemical bond and form neutral isolated atoms.
Down
- All six of the __________ are also in the p block.
- is a unique element.
- states that the physical and chemical properties of the elements are periodic functions of their atomic numbers.
- Cationic and _______ radii decrease across a period.
- electron of one atom and proton of the other atom _______ one another.
- A ________ is a neutral group of atoms that are held together by covalent bonds.
- A molecular formula shows the types and numbers of atoms combined in a single molecule of a molecular compound.
- except hydrogen and ______.
- is an arrangement of the elements in order of their atomic numbers so that elements with similar properties fall in the same column, or group.
- is a measure of the ability of an atom in a chemical compound to attract electrons from another atom in the compound.
- The elements of Group 2 of the periodic table are called the alkaline-_____ metals.
- A chemical compound whose simplest units are molecules is called a _________ compound.
- The p-block elements together with the s-block elements are called the __________ elements.
- Atoms cannot be __________, created, or destroyed.
- The second row of the f block are known as?
31 Clues: is a unique element. • except hydrogen and ______. • the p block includes all of the • The first row of the f block are known as? • ______ is used to form chemical compounds. • The second row of the f block are known as? • two nuclei and two electrons _____ each other. • Repeating patterns are referred to as ________. • All six of the __________ are also in the p block. • ...
Chemistry 2022-09-08
Across
- Atoms ___ Depict an electron's Probable location
- Light at a certain ___ causes metals to eject their electrons.
- Symbol for Iridium
- s-1 orbital= how many electrons
- How many rows are in the periodic table not including subshell f?
- # of electrons =?
- Electrons occupy the ______ _____ orbital available.
- What is the atomic mass for Nd?
- Atoms with a positive charge have fewer electrons than protons and are called?
- How many electrons can 3d hold?
- The alpha particles were____ by the nucleus.
- Symbol for Iron
- A max of 2 electrons can inhabit one orbital only if they have _____ spin.
- atomic mass for Boron
- How many electrons can 4f hold?
- Shorthand configuration for nickel
- Electrons have a what charge?
- Does the isotope of an element matter when it comes to determining the charge? Yes or No answer
- Atoms with different # of protons are different?
- If isotopes have the same # of protons, what don't they have the same # of?
- What is h in the formula E=hv?
- # of electrons for Neon with a charge of +4
- Electrons are NOT localized in certain, well-defined and precise ____ around the nucleus.
- Find the wavelength of electromagnetic radiation having a frecency of 5.00*10^12 Hz?
Down
- If a charged object moves with an ____ it would radiate electromagnetic waves.
- Number of electrons for Hydrogen with a charge of +1
- Shorthand configuration for Pt
- What is the atomic mass for Rb?
- Atoms with either more or fewer electrons are called?
- [Kr] 5s^2 4d^10 5p^6
- Mass number for Boron with a charge of +3
- Mass number for Fluorine
- When an electron makes a transition form a higher energy level to a lower one, a particle of light called a ______ is emitted.
- Name of Zn
- Name for W
- Electron configuration for Na
- Find sig figs for 9.0000
- Atoms with a negative charge have more electrons than protons are called?
- Find the element for the configuration [Ne]3s^2 3p^1
- Atoms ___ energy and become excited
- Do atoms that lose electrons become positive or negative?
- symbol for Tin
- Everything is made up of?
43 Clues: Name of Zn • Name for W • symbol for Tin • Symbol for Iron • # of electrons =? • Symbol for Iridium • [Kr] 5s^2 4d^10 5p^6 • atomic mass for Boron • Mass number for Fluorine • Find sig figs for 9.0000 • Everything is made up of? • Electron configuration for Na • Electrons have a what charge? • Shorthand configuration for Pt • What is h in the formula E=hv? • What is the atomic mass for Rb? • ...
Chemistry 2022-09-08
Across
- atomic mass for Boron
- Find the wavelength of electromagnetic radiation having a frecency of 5.00*10^12 Hz?
- What is the atomic mass for Nd?
- How many electrons can 4f hold?
- Atoms with either more or fewer electrons are called?
- When an electron makes a transition form a higher energy level to a lower one, a particle of light called a ______ is emitted.
- Everything is made up of?
- On what row and after what subshell do you start to include subshell f?
- What is the atomic mass for Rb?
- Atoms with a negative charge have more electrons than protons are called?
- Mass number for Boron with a charge of +3
- If isotopes have the same # of protons, what don't they have the same # of?
- s-1 orbital= how many electrons
- [Kr] 5s^2 4d^10 5p^6
- On what row does subshell d start?
- How many electrons can 3d hold?
- Name of Zn
- Atoms ___ energy and become excited
- Electrons have a what charge?
- # of electrons for Neon with a charge of +4
- Shorthand configuration for nickel
- Light at a certain ___ causes metals to eject their electrons.
- Find sig figs for 9.0000
- # of electrons =?
Down
- What is h in the formula E=hv?
- Electron configuration for Na
- Atoms ___ Depict an electron's Probable location
- The ___ of an element are atoms with the same # of protons but different # of neutrons
- Do atoms that lose electrons become positive or negative?
- Electrons occupy the ______ _____ orbital available.
- Name for W
- Mass number for Fluorine
- Shorthand configuration for Pt
- Electrons are NOT localized in certain, well-defined and precise ____ around the nucleus.
- Find the element for the configuration [Ne]3s^2 3p^1
- Atoms with different # of protons are different?
- A max of 2 electrons can inhabit one orbital only if they have _____ spin.
- The alpha particles were____ by the nucleus.
- If a charged object moves with an ____ it would radiate electromagnetic waves.
- Number of electrons for Hydrogen with a charge of +1
- symbol for Tin
- What letter is used to represent the atomic number?
- Symbol for Iridium
- Atoms with a positive charge have fewer electrons than protons and are called?
- How many rows are in the periodic table not including subshell f?
- Symbol for Iron
- Does the isotope of an element matter when it comes to determining the charge? Yes or No answer
47 Clues: Name for W • Name of Zn • symbol for Tin • Symbol for Iron • # of electrons =? • Symbol for Iridium • [Kr] 5s^2 4d^10 5p^6 • atomic mass for Boron • Mass number for Fluorine • Find sig figs for 9.0000 • Everything is made up of? • Electron configuration for Na • Electrons have a what charge? • What is h in the formula E=hv? • Shorthand configuration for Pt • What is the atomic mass for Nd? • ...
chemistry 2022-09-08
Across
- Protons + neutrons =[BLANK]
- Atomic weight - protons = the number of [BLANK]
- what are atoms with a different number of neutrons but the same number of protons called?
- When a substance is heated in a flame, the atoms [BLANK] energy from the flame
- Total charge after accounting for both positive or negative charges
- Isotopes don't affect the number of protons or [BLANK]
- The atomic number is the number of [BLANK] in an atom
- The lower the frequency the longer the wavelength
- Color with the longest wavelength
- The [BLANK] atom model lacks a nucleus
- Likes to chase mice
- Most particles in the Rutherford Gold Foil experiment were [BLANK]
- Atoms are mostly [BLANK] space
- What type of data is expressed as numbers?
- Man's best friend
- Electrons are [BLANK] charged
- The Rutherford Gold Foil Experiment uses [BLANK]
- The equation to find the quantum energy of a photon is E=[BLANK]
- Has a trunk
- [BLANK]nm is seen as red
- Protons are [BLANK] charged
Down
- Atoms are made up of [BLANK] particles
- Rutherford's Gold Foil experiment led to the discovery of the [BLANK]
- The minimum amount of energy that can be gained or lost by an atom
- Wavelength is measured in meters
- What is an electron in the outer shell associated with an atom called?
- Atomic orbitals depict an electron’s [BLANK] location
- Electrons are more likely to be found [BLANK] to the nucleus as opposed to farther away
- Neutrons have [BLANK] electric charge
- [BLANK]nm is seen as violet
- Large marsupial
- [BLANK] can hold a maximum of two electrons
- When an atom absorbs energy, the electrons move from their [BLANK] state to an excited state
- Atoms are filled with [BLANK] out electrons so they can not shrink
- acronym for visible colors
- Alpha particles are made up of [BLANK] protons and [BLANK] neutrons
- If there are more electrons than protons the net charge is [BLANK]
- [BLANK]charges will deflect each other
- When an electron makes a transition from a higher energy level to a lower energy level a particle of light called a [BLANK] is emitted.
- Flying mammal
- what color waves have the highest frequency?
- The salts created different colors of flames because they contained different metal [BLANK]
- Rutherford [BLANK]is the elastic scattering of charged particles by the Coulomb interaction
- The color of a photon is determined by the [BLANK] of an emission
- the [BLANK] light spectrum spans the wavelength region from about 400 to 700nm
- Speed of [BLANK] is equal to 3.00x10^8m/s
- If there are more protons than electrons the net charge is [BLANK]
- The [BLANK] the frequency the shorter the wavelength
48 Clues: Has a trunk • Flying mammal • Large marsupial • Man's best friend • Likes to chase mice • [BLANK]nm is seen as red • acronym for visible colors • Protons + neutrons =[BLANK] • [BLANK]nm is seen as violet • Protons are [BLANK] charged • Electrons are [BLANK] charged • Atoms are mostly [BLANK] space • Wavelength is measured in meters • Color with the longest wavelength • ...
Chemistry 2022-06-08
Across
- A starting material in a chemical reaction
- gain of electrons
- A liquid substance capable of dissolving
- gas to solid
- A measure of how hot or cold something is
- loss of electrons
- An ionic compound
- A substance that is dissolved in a solution.
- dissolved in water
Down
- A subatomic particle that has a negative charge
- solid to gas
- A pure substance made of only one kind of atom
- Positive electrode
- Ability to attract electrons
- mass The average mass of all the isotopes
- A charged atom
- A state of balance
- Basic unit of matter
- Group 17
- A measure of disorder or randomness.
20 Clues: Group 17 • solid to gas • gas to solid • A charged atom • gain of electrons • loss of electrons • An ionic compound • Positive electrode • A state of balance • dissolved in water • Basic unit of matter • Ability to attract electrons • A measure of disorder or randomness. • A liquid substance capable of dissolving • mass The average mass of all the isotopes • ...
Chemistry 2022-01-25
Across
- Make both sides equal using the law of conservation of mass
- The mass of 1 mole of a substance
- Uses a magnetic field to measure using deflection
- When two substances combine to make a new compound
- A conversion that relates the number of moles in two substances
- The ratio of actual Yield in the theoretical yield in percent
- Shows the number and kinds of atoms in a molecule
- Shows the ratio of elements in a compound
- Si unit of measurement
- Change with an exchange of positive ions in two compounds
- Contains relative amounts of reactants to match the balanced equation
Down
- A reaction where atoms of one element replace those atoms of another element.
- Number of particles in a mole 6.022 x 10²³
- Uses symbols to represent a chemical reaction to show relationships
- The number of grams of solute in each 100g of solution
- A starting material in a chemical reaction
- Measurement of quantities in chemical reactions
- Max amount of product that can be produced by a certain amount of reactant
- A reaction that breaks down into simpler substances
- The elements of compounds produced in a chemical reaction
- Weighted average of atomic masses of natural isotopes
21 Clues: Si unit of measurement • The mass of 1 mole of a substance • Shows the ratio of elements in a compound • Number of particles in a mole 6.022 x 10²³ • A starting material in a chemical reaction • Measurement of quantities in chemical reactions • Uses a magnetic field to measure using deflection • Shows the number and kinds of atoms in a molecule • ...
chemistry 2021-12-08
Across
- Another word for shiny
- Another word for energy levels
- Properties of both metal and non metal
- When a new substance is created
- A particle that has no charge
- A element with a abbreviation of {Na}
- A element with a abbreviation of {B}
- opposite of an insulator
- Can break easily
- Another word for not shiny
Down
- Metal that can be bent
- A table that shows all the elements
- The center part of an atom
- Positively charged particle
- Negatively charged particle
- A element with a abbreviation of {Ra}
- The smallest part of matter
- A element with a abbreviation of {Kr}
- A type of metal that is dull and a insulator
- Can be pulled to a wire
20 Clues: Can break easily • Metal that can be bent • Another word for shiny • Can be pulled to a wire • opposite of an insulator • The center part of an atom • Another word for not shiny • Positively charged particle • Negatively charged particle • The smallest part of matter • A particle that has no charge • Another word for energy levels • When a new substance is created • ...
chemistry 2021-12-08
Across
- A chemical element with the atomic number 79, symbol Au. The simple body gold is a noble, precious metal whose color is golden yellow
- It is the ninth most abundant element in the universe. As a result from the successive sum of three helium nuclei to one carbon nucleus
- A chemical element with atomic number 55, symbol Cs, the most alkaline of the alkali metals
- A chemical element with atomic number 3, symbol Li. It is an alkali metal
- chemical element with the symbol Be and atomic number 4. The best known gemstones from it are the emerald and the aquamarine
- a positive particle
- A chemical element with atomic number 56, symbol Ba. Properties similar to those of lime
- A chemical element with atomic number 28, symbol Ni. The simple body nickel is a metal
- A chemical element with atomic number 29, symbol Cu. The simple body copper is a metal
- A chemical element with atomic number 92, symbol U. It is of the actinide family. It is a very long-life radioactive heavy metal
- Silver is the chemical element with atomic number 47, symbol Ag. Between copper and gold. Hardly or not oxidisable in air, all three are used to mint coins
- a molecule associated with an element
Down
- the center of an atom
- An altomic element with atomic number 19, symbol K, alkali metal found in potash
- A negatively charged particle
- A set of at least two atoms
- A chemical element with atomic number 26, symbol Fe. The simple body is the most common ferromagnetic metal and material in everyday life, most frequently made of various alloys
- A chemical element with the symbol Pu and atomic number 94. Radioactive metal of the actinide group
- A chemical element with atomic number 24, symbol Cr. Its single element is a transition metal
- a neural particle
- A chemical element with atomic number 20, symbol Ca. It is the fifth most profuse element in the earth’s crust
21 Clues: a neural particle • a positive particle • the center of an atom • A set of at least two atoms • A negatively charged particle • a molecule associated with an element • A chemical element with atomic number 3, symbol Li. It is an alkali metal • An altomic element with atomic number 19, symbol K, alkali metal found in potash • ...
chemistry 2021-12-08
Across
- A chemical element with the atomic number 79, symbol Au. The simple body gold is a noble, precious metal whose color is golden yellow
- It is the ninth most abundant element in the universe. As a result from the successive sum of three helium nuclei to one carbon nucleus
- A chemical element with atomic number 55, symbol Cs, the most alkaline of the alkali metals
- A chemical element with atomic number 3, symbol Li. It is an alkali metal
- chemical element with the symbol Be and atomic number 4. The best known gemstones from it are the emerald and the aquamarine
- a positive particle
- A chemical element with atomic number 56, symbol Ba. Properties similar to those of lime
- A chemical element with atomic number 28, symbol Ni. The simple body nickel is a metal
- A chemical element with atomic number 29, symbol Cu. The simple body copper is a metal
- A chemical element with atomic number 92, symbol U. It is of the actinide family. It is a very long-life radioactive heavy metal
- Silver is the chemical element with atomic number 47, symbol Ag. Between copper and gold. Hardly or not oxidisable in air, all three are used to mint coins
- a molecule associated with an element
Down
- the center of an atom
- An altomic element with atomic number 19, symbol K, alkali metal found in potash
- A negatively charged particle
- A set of at least two atoms
- A chemical element with atomic number 26, symbol Fe. The simple body is the most common ferromagnetic metal and material in everyday life, most frequently made of various alloys
- A chemical element with the symbol Pu and atomic number 94. Radioactive metal of the actinide group
- A chemical element with atomic number 24, symbol Cr. Its single element is a transition metal
- a neural particle
- A chemical element with atomic number 20, symbol Ca. It is the fifth most profuse element in the earth’s crust
21 Clues: a neural particle • a positive particle • the center of an atom • A set of at least two atoms • A negatively charged particle • a molecule associated with an element • A chemical element with atomic number 3, symbol Li. It is an alkali metal • An altomic element with atomic number 19, symbol K, alkali metal found in potash • ...
Chemistry 2021-12-14
Across
- negatively charged subatomic particle
- the ability of a substance to catch fire
- a set of chemical symbols showing the elements present in a compound
- anything that has mass and takes up space
- a mixture that is evenly mixed throughout
- mass/volume
- a mixture that is NOT evenly mixed throughout
- the point where a liquid turns into a gas
- center of an atom made of protons and neutrons
- a number written on the left side of a compound to show how many molecules or atoms of a substance are involved in a chemical reaction
- the point where a solid turns into a liquid
- smallest unit of matter
- positively charged subatomic particle
- the point where a liquid turns into a solid
- where electrons are found
Down
- turning a liquid into a gas
- a compound that changes color in the presence of an acid or a base
- a process that separates solids based on their particle size
- the ability of a substance to be hammered or beaten into thin sheets
- a combination of two or more substances not chemically combined
- hydrogen ion concentration
- a measure of how much solute can be dissolved in a solvent at a given temperature
- neutrally charged subatomic particle
- a process that removes lumps from an ingredient and gives it a smoother consistency
- a pure substance made from only one type of atom
- a number written to the bottom right corner of a chemical symbol to show how many atoms of that element are in a compound
- the ability of a substance to be stretched into a thin wire
- a representation of a chemical reaction using chemical symbols to indicate the amount of substance in the reactants and products.
- two or more atoms held together by covalent bonds
- an atom or molecule that has lost or gained one or more electrons
30 Clues: mass/volume • smallest unit of matter • where electrons are found • hydrogen ion concentration • turning a liquid into a gas • neutrally charged subatomic particle • negatively charged subatomic particle • positively charged subatomic particle • the ability of a substance to catch fire • anything that has mass and takes up space • a mixture that is evenly mixed throughout • ...
chemistry 2021-12-10
Across
- positive charge
- not shiny
- shiny
- one or more substances are formed
- shows how mnay molecules are there
- new solid is formed
- the substance changes to a unsual color
- neutral charge
- no new substances are formed
Down
- shatters easily
- can be bent or hammered into a sheet
- small number
- electricity and heat dont pass through
- changes temp not by an outside source
- can be pulled into a wire
- bubbling or steaming
- electricity pass through
- begins to glow or sparkle
- smallest part of an element
- negaitave charge
20 Clues: shiny • not shiny • small number • neutral charge • shatters easily • positive charge • negaitave charge • new solid is formed • bubbling or steaming • electricity pass through • can be pulled into a wire • begins to glow or sparkle • smallest part of an element • no new substances are formed • one or more substances are formed • shows how mnay molecules are there • ...
chemistry 2021-12-10
Across
- positive charge
- not shiny
- shiny
- one or more substances are formed
- shows how mnay molecules are there
- new solid is formed
- the substance changes to a unsual color
- neutral charge
- no new substances are formed
Down
- shatters easily
- can be bent or hammered into a sheet
- small number
- electricity and heat dont pass through
- changes temp not by an outside source
- can be pulled into a wire
- bubbling or steaming
- electricity pass through
- begins to glow or sparkle
- smallest part of an element
- negaitave charge
20 Clues: shiny • not shiny • small number • neutral charge • shatters easily • positive charge • negaitave charge • new solid is formed • bubbling or steaming • electricity pass through • can be pulled into a wire • begins to glow or sparkle • smallest part of an element • no new substances are formed • one or more substances are formed • shows how mnay molecules are there • ...
chemistry 2022-11-07
Across
- logam alkali dapat diekstraksi dari senyawanya dengan cara... lelehan garam kloridanya
- sebutkan urutan unsur alkali tanah dari unsur yang memiliki ke elektronegatifan terbesar hingga terkecil!
- bahasa lain nitrogen adalah
- sebutkan urutan unsur di alkali tanah dari unsur yang memiliki Jari-jari terbesar hingga terkecil!
- logam alkali merupakan logam yang sangat
- unsur kimia dalam tabel periodik yang mempunyai lambang O adalah
- oksigen secara terpisah ditemukan oleh Carl Wilhelm Scheele di Uppsala pada tahun
- terapi oksigen digunakan untuk mengobati emfisema, merupakan penggunaan oksigen
- Ada berapa unsur yang tergolong dalam logam alkali tanah ?
- Logam alkali dapat bereaksi dengan... membentuk oksida serta beberapa diantaranya dapat membentuk peroksida dan superoksida
- unsur yang terkandung dalam senyawa magnesit adalah
- semua logam alkali merupakan logam...
- unsur alkali tanah sering dimanfaatkan sebagai obat untuk mengatasi asam lambung Dalam bentuk senyawa apa unsur alkali tanah digunakan sebagai obat untuk mengatasi asam lambung?
- senyawa basa terkuat dalam golongan alkali tanah adalah
- logam alkali memiliki jari jari paling... dibanding unsur lain yang satu
- elemen ke lima terbanyak di alam
Down
- oksigen termasuk jenis gas yang
- adalah?
- MgCO3 sebutkan rumus kimia dari dolomit!
- salah satu bakteri yang berperan dalam daur nitrogen adalah
- senyawa H2SO4 tidak dihasilkan nitrogen karena mengandung?
- unsur kimia dalam tabel periodik yang memiliki lambang N dan nomor atom 7 adalah
- ke bawah dari li ke cl energi ionisasi ya semakin rendah semakin ke bawah dari Li ke Cl energi ionisasi ya semakin
- berbau nitrogen merupakan senyawa yang berbentuk gas,tak berwarna dan...
- penghasil oksigen terbanyak di bumi berasal dari laut yang dihasilkan oleh mikroorganisme kecil bernama
- dari Li ke Cs titik didih dan titik leleh nya semakin...
- logam alkali merupakan senyawa yang...larut dalam air
- proses mengubahnya nitrogen ke bentuk lain agar bermanfaat dan dapat di serap oleh tumbuhan adalah
- Oksigen (bahasa Latin)
- oksigen merupakan unsur nonlogam golongandibidang
- Pada industri oksigen diproduksi dengan cara distilasi udara cair dengan ekstraksi nitrogen dan elektrolisis menggunakan larutan
31 Clues: adalah? • Oksigen (bahasa Latin) • bahasa lain nitrogen adalah • oksigen termasuk jenis gas yang • semua logam alkali merupakan logam... • elemen ke lima terbanyak di alam • logam alkali merupakan logam yang sangat • MgCO3 sebutkan rumus kimia dari dolomit! • oksigen merupakan unsur nonlogam golongandibidang • ...
Chemistry 2022-11-29
Across
- Understood by Greeks but was formulated by Antoine Lavoisier.
- Two solutions of salts are mixed to form solid.
- Is electrostatic attraction between opposite ions.
- Involves loss of electrons.
- Is the sum of the relative atomic masses.
- Oxygen combines with a compound to form carbon dioxide and water.
- The unit of amount of substance.
- One element takes place with another element.
Down
- Is used for ionic compounds.
- The average mass of isotopes.
- Two or more compounds combine to form one compound.
- A complex molecule breaks down to make simpler ones.
- An acid and base react with each other.
- The volume of gas contain 1 mole 6.02×10^23.
- Involves gain of electrons.
- Contains many atoms joined by strong covalent bonds.
- Structures simple and formed only a few atoms.
- Is measured in g/dm^3.
- Involve oxidation and reduction.
- Number and type of atoms in a molecule.
- Negative electrons attract positive metal ions bond with strong electrostatic forces.
- Occurs between non-metal atoms and the bond.
22 Clues: Is measured in g/dm^3. • Involves gain of electrons. • Involves loss of electrons. • Is used for ionic compounds. • The average mass of isotopes. • Involve oxidation and reduction. • The unit of amount of substance. • An acid and base react with each other. • Number and type of atoms in a molecule. • Is the sum of the relative atomic masses. • ...
Chemistry 2022-12-01
Across
- The small compound which are building blocks for larger molecules
- The monomers of protein
- A compound containing carbon
- A lipid which makes up the cell membrane
- The large molecule made of of smaller molecules
- The class of organic compounds which contain C, H, O, N and is a component of skin, hair and muscles
- The monomers of carbohydrates
- The monomers of nucleic acids
- The center of an atom
- The attraction between the same molecules
- A class of organic compounds which stores and transmits genetic information
- The process of removing water to make/build a bond between monomers
- A class of organic compound containing C, H, O and functions as the primary source of energy
- The attraction between different molecules
Down
- The bond between two molecules of water
- The process of adding water to break a bond between monomers
- A class of organic compounds containing C, H, O and is a source of long term energy storage and do not dissolve in water
- Composed of two or more elements bonded together
- The particle in an atom which is involved in bonding
- A large carbohydrate
- The positive particle in the nucleus of an atom
- A bond in which electrons are shared between atoms
- The ability for water to absorb a large amount of heat but resist a change in temperature
- The neutral part of an atom
- The bond between amino acids
- A molecule which has charged ends
- The two parts that make up a lipid
- The basic unit of matter
28 Clues: A large carbohydrate • The center of an atom • The monomers of protein • The basic unit of matter • The neutral part of an atom • A compound containing carbon • The bond between amino acids • The monomers of carbohydrates • The monomers of nucleic acids • A molecule which has charged ends • The two parts that make up a lipid • The bond between two molecules of water • ...
Chemistry 2021-06-08
Across
- Polymerized ethylene.
- Important for the production of chemicals.
- These are not always cube shaped.
- Combine nanoparticles with other nanoparticles or with larger, bulk-type materials.
- Do not store in metal.
- The ability of the plastic to resist abrasion and wear.
- Should be used when there is a risk of adverse exposure of chemicals to the skin.
- A nanomaterials may be incidentally produced as a byproduct of mechanical or industrial processes.
- These nanomaterials are nanosized polymers built from branched units.
- The process of mixing these additives to virgin plastics.
- Condensation products of dicarboxylic acid with dihydroxy alcohols.
- A self-reactive substances.
- This process is used to obtain three-dimensional articles from two-dimensional sheets.
- A chemical that is not corrosive, but causes reversible inflammatory effects on living tissue at the site of contact.
- The extent to which the polymer chains are arranged in a regular structure instead of a random fashion.
- It is the study of manipulating matter on an atomic and molecular scale.
- Substances that emit a flammable gas upon contact with water.
- Chemicals that have flash points of 100200oF.
- react vigorously with reducing materials.
- Breathing in contaminated air is the most common way that workplace chemicals enter the body.
- Modify the properties of plastics to give the final plastic, better hardness, tensile strength, finish and workability.
- Chemicals vary widely in how toxic (poisonous) they are.
- Belongs to the synthetic polymers family and is also known as polyamides.
- Hard and rigid at room temperature and do not soften on heating.
Down
- The amount of exposure to a chemical is the single most significant factor of concern.
- These bonds are extremely strong and very hard to break.
- Macromolecules of high molecular weight which are formed by linkage between large numbers of small molecules called monomers.
- A nanomaterials that have been deliberately engineered and manufactured by humans to have certain required properties.
- Workplace chemicals may be swallowed accidentally if foods or hands are contaminated.
- High polymers, which have elastic properties and can be stretched up to about 300 percent.
- Class of high polymers which can be molded into any desired form by heat and pressure.
- A chemical that causes cancer.
- The tendency of a polymer to pass extraneous materials.
- Any solid material with its atoms, or smallest units of matter, organized in a repeating pattern.
- Two or more monomers undergoing joint polymerization.
- An important tool in conveying risk information to employees.
- Chemical substances or materials that are manufactured and used at a very small scale.
- Atoms or group of atoms forming a building block of the smallest acceptable size of the whole volume of a crystal .
- Occurs when exposure to two or more chemicals at a time results in health effects that are greater than the sum of the effects of the individual chemicals.
- An infinite periodic array of points in a space.
- Electrostatic attraction between two polar groups.
41 Clues: Polymerized ethylene. • Do not store in metal. • A self-reactive substances. • A chemical that causes cancer. • These are not always cube shaped. • react vigorously with reducing materials. • Important for the production of chemicals. • Chemicals that have flash points of 100200oF. • An infinite periodic array of points in a space. • ...
Chemistry 2022-10-17
Across
- process that involves addition(gain) of electrons
- the smallest form of a chemical particle that retains the properties of the particle
- chemical _______ may be defined as an attraction between the two atoms in a molecule
- the central part of an atom consists of protons and neutrons
- type of bond is formed by the mutual sharing of pair of electrons between two atoms each atom supplying equal number of electrons for sharing
- elements belongs to groups 1A to 7A
- unit of measurement used in chemistry to
- amounts of a chemical substance
- ______metals are elements that belong to 1B to 8B
- positively charged particle
- type of bond is formed as a result of the complete transfer of one or more electrons from one atom to other
Down
- electrons present in the outer most orbit
- _____ number is the number protons present in the nucleus of an atom or number of electrons revolving around the nucleus in an atom
- atoms of the same elements having the same atomic number but different mass number
- branch of science that deals with the study of the nature of matter, its composition, occurrence, isolation, methods of preparation, properties and uses.
- process that involves removal(loss) of electron
- a negatively charged particle.
- _______ number of an element is given by the total number of protons and neutrons present in the nucleus of an atom.
- neutral particle
- Electron ____ notation represents the distribution of valence electrons of an element
- atoms of different elements having the same mass number but different atomic number.
21 Clues: neutral particle • positively charged particle • a negatively charged particle. • amounts of a chemical substance • elements belongs to groups 1A to 7A • unit of measurement used in chemistry to • electrons present in the outer most orbit • process that involves removal(loss) of electron • process that involves addition(gain) of electrons • ...
Chemistry 2022-10-17
Across
- chemical _______ may be defined as an attraction between the two atoms in a molecule
- electrons present in the outer most orbit
- atoms of the same elements having the same atomic number but different mass number
- process that involves addition(gain) of electrons
- _______ formula of the compound shows the smallest whole number of atoms of each element present.
- branch of science that deals with the study of the nature of matter, its composition, occurrence, isolation, methods of preparation, properties and uses.
- _______ number of an element is given by the total number of protons and neutrons present in the nucleus of an atom.
- the smallest form of a chemical particle that retains the properties of the particle
- elements belongs to groups 1A to 7A
- ______metals are elements that belong to 1B to 8B
Down
- unit of measurement used in chemistry to express amounts of a chemical substance
- process that involves removal(loss) of electron
- type of bond is formed as a result of the complete transfer of one or more electrons from one atom to other
- neutral particle
- the central part of an atom consists of protons and neutrons
- Electron ____ notation represents the distribution of valence electrons of an element
- type of bond is formed by the mutual sharing of pair of electrons between two atoms each atom supplying equal number of electrons for sharing
- positively charged particle
- _____ number is the number protons present in the nucleus of an atom or number of electrons revolving around the nucleus in an atom
- a negatively charged particle.
- atoms of different elements having the same mass number but different atomic number.
21 Clues: neutral particle • positively charged particle • a negatively charged particle. • elements belongs to groups 1A to 7A • electrons present in the outer most orbit • process that involves removal(loss) of electron • process that involves addition(gain) of electrons • ______metals are elements that belong to 1B to 8B • ...
Chemistry 2020-06-02
Across
- is the unit of measurement for amount of substance in the International System of Units.
- is the study of macroscopic, and particulate phenomena in chemical systems in terms of the principles, practices, and concepts of physics such as motion, energy, force, time, thermodynamics, quantum chemistry, statistical mechanics, analytical dynamics and chemical equilibrium.
- are the building blocks of rocks.
- water which collects as droplets on a cold surface when humid air is in contact with it.
- a self-replicating material which is present in nearly all living organisms as the main constituent of chromosomes. It is the carrier of genetic information.
- are the structural units (monomers) that make up proteins. They join together to form short polymer chains called peptides or longer chains called either polypeptides or proteins.
- is a chemical reaction that releases energy through light or heat.
- a coherent, typically large body of matter with no definite shape.
- is one of the four fundamental states of matter.
- is a type of vaporization that occurs on the surface of a liquid as it changes into the gas phase.
- has electrons surrounded by a volume of positive charge, like negatively-charged "plums" embedded in a positively-charged "pudding"
- is the smallest constituent unit of ordinary matter that constitutes a chemical element.
- a substance made by mixing other substances together.
- a chemical reaction that proceeds more rapidly than it ordinarily would because of the influence of a second and faster reaction in the same system.
- able to be dissolved, especially in water.
- is any process which requires or absorbs energy from its surroundings, usually in the form of heat.
- is an element that readily forms positive ions (cations) and has metallic bonds.
- firm and stable in shape; not liquid or fluid.
- is the transition of a substance directly from the solid to the gas state, without passing through the liquid state.
- becoming liquefied by heat.
- are a group in the periodic table consisting of five chemically related elements: fluorine, chlorine, bromine, iodine (I), and astatine.
- is any substance that has mass and takes up space by having volume.
- relating to or denoting chemical bonds formed by the sharing of electrons between atoms.
- a thing that is composed of two or more separate elements; a mixture.
- the medieval forerunner of chemistry, based on the supposed transformation of matter. It was concerned particularly with attempts to convert base metals into gold or to find a universal elixir.
- consisting of parts all of the same kind.
- is a chemical element with the symbol C and atomic number 6. It is nonmetallic and tetravalent—making four electrons available to form covalent chemical bonds.
- is a class of physical phenomena that are mediated by magnetic fields.
Down
- make up a group of chemical elements with similar properties; under standard conditions, they are all odorless, colorless, monatomic gases with very low chemical reactivity.
- Model was the first atomic model and was developed by John Dalton in the early 19th century.
- is a nearly incompressible fluid that conforms to the shape of its container but retains a constant volume independent of pressure.
- cause (a substance) to be deposited in solid form from a solution.
- is the artificial execution of useful chemical reactions to obtain one or several products.
- an expert in chemistry; a person engaged in chemical research or experiments.
- is the study of matter, its properties, how and why substances combine or separate to form other substances, and how substances interact with energy.
- is a branch of chemistry that studies the structure, properties and reactions of organic compounds, which contain carbon in covalent bonding.
- is the sub-field of chemistry dealing with radioactivity, nuclear processes, and transformations in the nuclei of atoms, such as nuclear transmutation and nuclear properties.
- deals with synthesis and behavior of inorganic and organometallic compounds.
- which the negatively charged electrons orbit a small, positively charged nucleus similar to the planets orbiting the sun (except that the orbits are not planar).
- a solution is a special type of homogeneous mixture composed of two or more substances.
- is an element that has properties that are intermediate between those of metals and nonmetals.
- tend to be associated with the vertical columns on the periodic table
- is an electrically neutral group of two or more atoms held together by chemical bonds.
- is the science of obtaining, processing, and communicating information about the composition and structure of matter.
- is the name given to a horizontal row of the periodic table.
- is a branch of chemistry focused on the application of quantum mechanics in physical models and experiments of chemical systems.
- is a pure substance that is made from a single type of atom
- is simply an element that does not display the properties of a metal. It is not defined by what it is, but by what it is not.
- are the chemical elements in group 16 of the periodic table.
- of or denoting a process involving substances in different phases (solid, liquid, or gaseous).
50 Clues: becoming liquefied by heat. • are the building blocks of rocks. • consisting of parts all of the same kind. • able to be dissolved, especially in water. • firm and stable in shape; not liquid or fluid. • is one of the four fundamental states of matter. • a substance made by mixing other substances together. • is a pure substance that is made from a single type of atom • ...
Chemistry 2020-06-04
Across
- temperature scale temperature scale where 0°C and 100°C are defined as the freezing and boiling points of water, respectively.
- is force per area.
- A substance which is made up of loads of small molecules joined together.
- metal is an element belonging to Group II of the periodic table. Examples of alkaline earth metals are magnesium and calcium.
- is any organic molecule that has a -COH group.
- A horizontal row of elements in the periodic table.
- is a molecule that contains a R-CO-R' functional group. An example of a common ketone is acetone (dimethyl ketone).
- describes a process that absorbs heat. Endothermic reactions feel cold.
- describes a process that gives off heat.
- group functional group consisting of a carbon double bonded to oxygen and single bonded to a hydroxyl (-COOH).
- is a group of elements sharing similar properties. It is not necessarily the same thing as an element group. For example, the chalcogens or oxygen family consists of some different elements from the nonmetal group.
- solid in which atoms are bonded to other atoms of the same type.
- rare earth metal with element symbol Ce and atomic number 58.
- is a possible value of energy that an electron can have in an atom.
- is a property of a physical object that quantifies the amount of matter it contains.
- law that states the properties of elements recur in a predictable and systematic way when they are arranged by increasing atomic number.
- is an ionic compound that dissolves in water to produce ions, which can conduct electricity. Strong electrolytes completely dissociate in water, while weak electrolytes only partially dissociate or break apart in water.
- binding of an element to itself via covalent bonds, forming a chain or ring
- number - the number of protons in the nucleus of an atom of an element.
- volume occupied by one mole of an element at room temperature.
- is how repeatable a measurement is. More precise measurements are reported with more significant figures.
- electrode where reduction occurs; usually the negative electrode.
- The substance which adds oxygen to another substance.
- is something made as a result of a chemical reaction.
- is a unit of temperature. A Kelvin is equal in size to a degree Celsius, although Kelvin starts from absolute zero. Add 273.15 to a Celsius temperature to get the Kelvin value. Kelvin is not reported with a ° symbol. For example, you would simply write 300K not 300°K.
- tube a vacuum tube with a source of electrons, a fluorescent screen, and means of accelerating and deflecting the electron beam.
Down
- is the name for the element with atomic number 55 and is represented by the symbol Cs. It is a member of the alkali metal group.
- The chemical reaction combining monomers to form polymers.
- functional group consisting of a carbon atom double bonded to oxygen, C=O.
- tabular arrangement of elements by increasing atomic number, ordered according to trends in recurring properties.
- ion with a positive electrical charge.
- is the acronym for the molecule adenosine triphosphate.
- is when a titration is stopped, typically because an indicator has changed color. The endpoint need not be the same as the equivalence point of a titration.
- an ion consisting of one carbon bonded to three oxygen atoms (CO32-) or a compound containing this ion.
- A scale which shows how acidic or alkaline a substance is.
- horizontal row of the periodic table; elements with the same highest unexcited electron energy level.
- value used to describe the size of an atom, usually half the distance between two atoms just touching each other.
- anaylysis A method of finding out the elements present in an unknown substance via a series of chemical tests.
- Loss of electrons in a chemical reaction.
- surrounding gases, such as the gases surrounding a planet that are held in place by gravity.
- is using electricity to break the bonds in a compound to break it apart.
- is any of a material's properties that becomes evident during, or after, a chemical reaction; that is, any quality that can be established only by changing a substance's chemical identity
- parts per million
- are molecules that are non superimposable mirror images of each other.
- is the property of matter which reflects the quantity of energy of motion of the component particles.
- The arrangement of elements in the order of increasing atomic number in a table.
- is a metal in Group I of the periodic table. Examples of alkali metals include lithium, sodium, and potassium.
- substance that increases the chemical reaction rate by decreasing its activation energy.
- parts per billion
- average mass of atoms of an element.
- is any organic molecule that has an -OH group.
- A charged particle found in the nucleus of an atom.
- is energy of motion. The more an object moves, the more kinetic energy it has.
- reaction - An addition reaction is a chemical reaction in which atoms add to a carbon-carbon multiple bond.
54 Clues: parts per million • parts per billion • is force per area. • average mass of atoms of an element. • ion with a positive electrical charge. • describes a process that gives off heat. • Loss of electrons in a chemical reaction. • is any organic molecule that has a -COH group. • is any organic molecule that has an -OH group. • A horizontal row of elements in the periodic table. • ...
Chemistry 2020-08-18
Across
- what was the first surfactant
- if someone has very dry sensitive skin what kind of products should you use (on pH scale)
- heat produced after mixing the activator
- substance that dissolves a solute and makes a solution
- chemical combo of 2 or more atoms in fixed proportions
- unabbrevated pH
- what should be included if you wanted to have a measurable pH in your products/mixtures
- liquids are able to mix together to form solutions
- what does a reducing agent do to hydrogen to a chemical compound
- substance that causes cancer
- how many elements are known in science today
- when liquids are not capable of being mixed to form a stable solution ex. water and oil
- what kind of change happens when ice melts to water
- what type of products should you make sure to store away from each other
Down
- substance that is dissolved in a solution
- in SDS what is the next step after identification
- any substance that occupies space and has weight
- what does an oxidizing agent do to oxygen
- how many elements occur naturally on earth
- what can be added to a mixture that separates after being left out
- what did the Safety Data Sheet replace (abbreviation)
- what kind of mixture is air considered
- combo of 2 or more different elements ex. NaCl table salt
- basic units of matter
- what kind of reaction happens when there is an absorption of heat from an external source
- simplest form of chemical matter
- when immiscible liquids are combines they form ___
- how many categories is SDS formatted into
- what is designed to be used in an emergency regarding hazardous chemicals (abbreviation)
- acids owe their chemical reactivity to this ion
- what does the overexposure principle and overexposure determine
- how many accepted pictograms are included in all SDS
32 Clues: unabbrevated pH • basic units of matter • substance that causes cancer • what was the first surfactant • simplest form of chemical matter • what kind of mixture is air considered • heat produced after mixing the activator • substance that is dissolved in a solution • what does an oxidizing agent do to oxygen • how many categories is SDS formatted into • ...
Chemistry 2018-12-10
Across
- chemical symbol of the only liquid metal at room temperature
- You need this metal for strong bones
- Protons and neutrons have a mass of
- What diamonds are made from
- Rows in the periodic table
- Not all treasure is ______ and gold.
- Country Dimitri was from
- Second lightest element
- Electrons are found in these in atoms
- Element with chemical symbol Ir
- The number of electrons and protons in an atom are
- Father of the periodic table
- Negatively charged particle
- Neutrons have a charge of
- Neutral subatomic particle
Down
- The only element with a Z in
- The basic building block. Elements are made of these.
- Gas we exhale
- Pirate's favourite metal
- Columns in the periodic table
- Gas we inhale to respire
- A very reactive yellow gas
- The only liquid non-metal at room temperature
- Metal that melts just above room temperature
- The centre of the atom is called this
- Lightest element
- John Newlands discovered this law
- The element with the electron configuration 2,8,8,2
- Positively charged particle
- There are 118 different ones of these in the periodic table
- Common chemical that covers 60% of the Earth's surface
31 Clues: Gas we exhale • Lightest element • Second lightest element • Pirate's favourite metal • Gas we inhale to respire • Country Dimitri was from • Neutrons have a charge of • Rows in the periodic table • A very reactive yellow gas • Neutral subatomic particle • What diamonds are made from • Positively charged particle • Negatively charged particle • The only element with a Z in • ...
Chemistry 2019-03-20
Across
- Compromises only about 0.05% of the earth's crust by mass but easily obtained
- The use of pesticides and insecticides are types of ____ control to protect food crops from unwanted pests or insects
- Two or more forms of the same element that differ in properties but exist in the same physical state
- nitrogen ____ is the process of organisms to convert atmospheric nitrogen to a form that can be used by plants
- The result of heating white phosphorous to about 300C in the absence of air
- The antibacterial action of hydrogen peroxide is due to highly reactive molecules called
- Makes up 78% of the volume of air
- the most important commercial method of preparing hydrogen in the US
- The most abundant element in the universe
- The movement of nitrogen and nitrogen compounds from the air to the soil and back forms this cycle
- A colorless gas with a characteristic pungent smell
Down
- Nitrogen is found in all living things in the form of ___ and nucleic acids
- Ammonium ____ was commonly used as smelling salts to revive someone who has fainted
- Addition of hydrogen to double (or triple) bonds
- The ammonia used for fertilizer production is synthesized by the ____ process
- A substance used to speed up a chemical reaction
- Is a process in which plants replenish oxygen in Earth's atmosphere
- Fool's gold
- Most abundant element in earth's crust
- The ____process is when superheated water injected into the bed of sulfur containing rock through the outermost of three concentric pipes causing sulfur to melt and form a liquid pool
20 Clues: Fool's gold • Makes up 78% of the volume of air • Most abundant element in earth's crust • The most abundant element in the universe • Addition of hydrogen to double (or triple) bonds • A substance used to speed up a chemical reaction • A colorless gas with a characteristic pungent smell • Is a process in which plants replenish oxygen in Earth's atmosphere • ...
Chemistry 2019-10-11
Across
- Satuan jumlah zat
- Ikatan antara sulfur dan oksigen dalam ion sulfat
- Reaksi yang menghasilkan panas
- Oksidator pada proses terbentuknya karat
- Sifat yang muncul karena jumlah zat terlarut bukan karena sifat kimia zat terlarut
- Penggambaran ikatan kimia dari elektron valensi
- Sifat magnet yang muncul akibat dari 1-3 elektron yang tidak berpasangan
- Hidrokarbon Tunggal
- Spesi yang memiliki bilangan oksidasi sama dengan nol
- Zat yang direduksi saat terdapat ion natrium dalam larutan
Down
- atuan konsentrasi yang dihitung dari mol berbanding dengan volume larutan
- Proses perusakan suatu benda
- Perhitungan reaksi kimia
- Kutub Negatif pada Elektrolisis
- Kutub Negatif pada Sel Volta
- Zat yang dioksidasi pada larutan basa dengan anoda inert
- Unsur yang memiliki nilai elektronegatifitas tertinggi
- Hukum yang menjelaskan hubungan antara muatan dengan mol elektron
- Konfigurasi elektron dengan prinsip "Membangun"
- Teori yang menjelaskan pembentukan geometri molekul
20 Clues: Satuan jumlah zat • Hidrokarbon Tunggal • Perhitungan reaksi kimia • Proses perusakan suatu benda • Kutub Negatif pada Sel Volta • Reaksi yang menghasilkan panas • Kutub Negatif pada Elektrolisis • Oksidator pada proses terbentuknya karat • Penggambaran ikatan kimia dari elektron valensi • Konfigurasi elektron dengan prinsip "Membangun" • ...
Chemistry 2019-10-11
Across
- Kutub Negatif pada Sel Volta
- Satuan jumlah zat
- atuan konsentrasi yang dihitung dari mol berbanding dengan volume larutan
- Sifat yang muncul karena jumlah zat terlarut bukan karena sifat kimia zat terlarut
- Ikatan antara sulfur dan oksigen dalam ion sulfat
- Proses perusakan suatu benda
- Zat yang direduksi saat terdapat ion natrium dalam larutan
- Sifat magnet yang muncul akibat dari 1-3 elektron yang tidak berpasangan
- Zat yang dioksidasi pada larutan basa dengan anoda inert
- Konfigurasi elektron dengan prinsip "Membangun"
- Unsur yang memiliki nilai elektronegatifitas tertinggi
Down
- Oksidator pada proses terbentuknya karat
- Reaksi yang menghasilkan panas
- Perhitungan reaksi kimia
- Penggambaran ikatan kimia dari elektron valensi
- Hukum yang menjelaskan hubungan antara muatan dengan mol elektron
- Kutub Negatif pada Elektrolisis
- Hidrokarbon Tunggal
- Teori yang menjelaskan pembentukan geometri molekul
- Spesi yang memiliki bilangan oksidasi sama dengan nol
20 Clues: Satuan jumlah zat • Hidrokarbon Tunggal • Perhitungan reaksi kimia • Kutub Negatif pada Sel Volta • Proses perusakan suatu benda • Reaksi yang menghasilkan panas • Kutub Negatif pada Elektrolisis • Oksidator pada proses terbentuknya karat • Penggambaran ikatan kimia dari elektron valensi • Konfigurasi elektron dengan prinsip "Membangun" • ...
Chemistry 2019-07-25
Across
- a five carbon sugar moeity
- one of the radioisotope of this element finds wide use in treatment of cancer
- a class of natural products often used for treatment
- a natural source of metals
- a collective name for particles located in the centre of an atom
- one of the rich source for aluminium
- The process or system of naming chemicals as per set of rules laid down by IUPAC
- shift a value used in elucidation of structure of proton distribution by NMR
- Substances that are known to cause cancer
- a substance that is know to enhances the rate of a chemical reaction
- A class of organic compounds containing only two elements often used as fuel
- unstable atoms that emit particles to gain stability are often referred as thus
- A compound with same molecular formula but different structural formula
- electrode where oxidation is the primary process
- an alloy containing copper
- process dependent upon genetic code to get proteins
- one of the most widely used PET radiopharmaceutical
- a positively charged ion
- the simplest alkane
- a sulphur containing amino acid
- 0ne of the three scientists who got Nobel for their path-breaking work in 1968
- something ones uses while washing clothes
- Gallium 67 emits this particle
- helix A model for DNA that won Watson and Crick a Nobel prize
- the nature of substances when their pH is above 7
- polymers of amino acids
- the substances that regulate the growth and metabolic processes in human body insulin is an example
- related to dental terminology but in chemistry is a measure of concentration
- plastics are one of this class as is cellulose
Down
- Base,sugar,phosphate strung together for components of DNA and or RNA
- the first quantum number designated as n
- the term used for determination of Acid or base concentration by adding the other in multiple small volumes for neutralization
- an Ore is often subjected to a set pf processes to get a metal
- an allotropic form of carbon is priced heavily
- dating An Isotope based method to identify age of say trees
- bonds that are not following octet rules both ways
- a class of organic compounds that produce primary carboxylic acids upon oxidation
- an ion or molecule that helps form co-ordination complexes
- a rich source of lead
- The periodic table in its present form is atrributed to him
- Law defines how the volume of a gas changes with respect to temperature
- transition metal complexes with unpaired electrons in their valence shell may behave thus
- a branch of spectroscopy that revolutionised organic structure determination
- proteins and peptides that catalyse biochemical reactions
- an element that finds much significance in diagnosis and treatment of thyroid disorders
- unit(s) that is repeated in the formation of natural or synthetic polymers
- the sugar moiety in basic DNA components
- ethanol is often referred as thus though it truly represent a class of organic compounds with hydroxy groups
- a hexadentate ligand often used for determining the concentration of Metals known to bind with it..
- Testosterone for one estradiol for another
- a different number of these in atoms produce isotopes
- a branch of material science that is offered as an engineering degree
- a class of organic cyclic compounds known to have characteristic odour
- the heaviest known isotope of Hydrogen
54 Clues: the simplest alkane • a rich source of lead • polymers of amino acids • a positively charged ion • a five carbon sugar moeity • a natural source of metals • an alloy containing copper • Gallium 67 emits this particle • a sulphur containing amino acid • one of the rich source for aluminium • the heaviest known isotope of Hydrogen • the first quantum number designated as n • ...