chemistry Crossword Puzzles

Chemistry bonus 2023-04-26

Across

going from a liquid to a solid
being close to the intended target
The point at which a substance melts from a solid to a liquid
The process that plants use to create food for themselves
Energy is released
Directly from a solid to a gas
The group with the highest electronegativities
Energy is absorbed
having all result fall in the same area
the unit for energy

Down

intake of oxygen, release of carbon dioxide
The branch of science that deals with substance identification
Two phases of a substance become indistinguishable
Directly from a gas to a solid
Going from a solid to a liquid
The tendency of an atom to attract the shared pair of electrons
Any substance at a temperature and pressure above its critical point
going from a gas to a liquid
The point a substance exists in three different phases.
going from liquid to a gas

20 Clues: Energy is released • Energy is absorbed • the unit for energy • going from liquid to a gas • going from a gas to a liquid • going from a liquid to a solid • Directly from a gas to a solid • Going from a solid to a liquid • Directly from a solid to a gas • being close to the intended target • having all result fall in the same area • intake of oxygen, release of carbon dioxide • ...

chemistry vocab. 2023-04-26

Across

Electrons are transferred between atoms
A covalent bond where electrons are shared unequally
Energy required to remove an electron from an atom.
The process of demonstrating a chemical property
Types of elements that form ionic bonds
a regularly shaped pattern of cations and onion
Types of elements that form covalent bond
How strong an atom attracts electrons
The point at which forward and reverse chemical reactions balance each other's progress
Simplest unit of an ionic compound

Down

A gas law that relates pressure and volume at constant temperature and amount
A covalent bond where electrons are shared equally
Which two elements are liquids at room temperature?
Electrons are shared between atoms in order for all atoms to obtain a filled valence level.
The energy released from the interaction between cations and onion
having eight valence electrons
The connection between two atoms in a molecule
Simplest unit of a covalent compound
Give an example of two elements that would probably form a covalent bond
A concise way of representing a chemical reaction

20 Clues: having eight valence electrons • Simplest unit of an ionic compound • Simplest unit of a covalent compound • How strong an atom attracts electrons • Electrons are transferred between atoms • Types of elements that form ionic bonds • Types of elements that form covalent bond • The connection between two atoms in a molecule • a regularly shaped pattern of cations and onion • ...

Chemistry vocab 2022-12-07

Across

that allow us to identify and classify matter
a change that affects no more than physical properties
the ability of two or more substances
the object pushes out a volume of water that is equal to its own volume
the amount of matter in a given space
how acidic/basic something is
the ability of a substance to be rolled or pounded into thin sheets
the ability of a substance to be pulled into a wire
does not hold its own shape
it only affects the physical properties
has to do with poison or will harm the body
how hard something is
the ability of a substance to burn

Down

a chateristice of a particular substance
the point at which something boils
away to describe how shiney something is
depends only on the type of matter in a simple
another word for sell
change from one material to another
what we need in cars that's a little to expensive
what blind people can't see
is a measure of the amount of matter in an object
when something melts
it keeps its shape within no help
can it transfer electricity
is a property that depends on the amount of matter in a sample.
the amount of space an object takes up

27 Clues: when something melts • another word for sell • how hard something is • what blind people can't see • can it transfer electricity • does not hold its own shape • how acidic/basic something is • it keeps its shape within no help • the point at which something boils • the ability of a substance to burn • change from one material to another • the ability of two or more substances • ...

Chemistry Vocabulary 2022-12-07

Across

_______ electrons determine the stability of an element
The smallest part of an element
Elements on the left of the periodic table are very _______
______ Number tells you the energy levels
The word for shiny
An arrangement of chemical elements
Groups that run up and down in columns
Inside the nucules and has a neutral charge
The first energy level can hold ____ electrons
Conducts electricity
If its _____ you can bend it
Doesn't let energy pass through
Elements on the right of the periodic table are very _______

Down

_______ change doesn't change the chemical complexion
Neutrons tells you the _______
If it's _____ it shatters easily
Surrounds the nuclues
Inside the nucules and has a positive charge
Has a negative charge and basically no mass
Metals _______ electricity
_______ change results in a new substance

21 Clues: The word for shiny • Conducts electricity • Surrounds the nuclues • Metals _______ electricity • If its _____ you can bend it • Neutrons tells you the _______ • The smallest part of an element • Doesn't let energy pass through • If it's _____ it shatters easily • An arrangement of chemical elements • Groups that run up and down in columns • ...

chemistry crossword 2023-07-20

Across

What is the measure of acidity or alkalinity of a solution?
Which category of elements typically has good electrical conductivity and is malleable?
What is the smallest unit of a compound formed by bonding atoms?
What property of matter is measured in kilograms or grams?
What word describes a substance that does not dissolve in a particular solvent?
What subatomic particle carries a positive charge?
In a solution, what is the substance in which other substances are dissolved?
What word describes a solution with a small amount of solute compared to the solvent?
What term refers to the conductive surfaces used to pass electricity through an electrolyte?
In which state of matter do particles have a fixed shape and volume?
What is a substance made up of only one type of atom?
What is the process of a solid turning directly into a gas without becoming a liquid first?
What term refers to the number of electrons in the outermost shell of an atom?
What process involves the loss of electrons or an increase in oxidation state?
What type of bond forms when electrons are transferred from one atom to another?
What number is placed in front of chemical formulas to balance a chemical equation?
What type of base dissolves in water to produce hydroxide ions?
What is the smallest unit of an element?
scale What measurement system indicates the acidity or basicity of a solution?
What is a substance present at the beginning of a chemical reaction?
What is a substance composed of two or more different elements chemically bonded together?
What is a mixture of two or more elements, at least one being a metal?
What type of substance has a pH less than 7 and releases protons in a solution?
What term refers to the amount of solute dissolved in a given amount of solvent?
What term describes the process of a liquid turning into a gas at its boiling point?
What is the symbolic representation of a chemical compound?
What type of substance has a pH greater than 7 and accepts protons in a solution?
What is the negatively charged subatomic particle?
In which state of matter do particles have high kinetic energy and are far apart?

Down

What term describes a chemical reaction that absorbs heat from the surroundings?
What substance speeds up a chemical reaction without being consumed in the process?
What is the solid formed in a chemical reaction that separates from the solution?
What group of elements has a stable electron configuration and low reactivity? (first word)
Which group of elements includes fluorine, chlorine, bromine, and iodine?
What is the substance formed as a result of a chemical reaction?
What term is used for a compound formed by the combination of oxygen and another element?
What type of reaction breaks down a compound into simpler substances?
What word describes the table that organizes elements based on their properties and atomic number?
What term describes the process of a solid turning into a liquid at its melting point?
What process involves the formation of ions from a neutral atom or molecule?
What term describes a chemical reaction that releases heat to the surroundings?
What term refers to atoms of the same element with different numbers of neutrons?
What is the substance that is dissolved in a solvent to form a solution?
What process involves the use of electrical energy to drive a non-spontaneous chemical reaction?
What process involves the gain of electrons or a decrease in oxidation state?
What separation technique is used to separate solids from liquids using a filter?
What subatomic particle carries no charge (neutral)?
What word describes the process of a solute mixing uniformly with a solvent?
What type of bond is formed by the sharing of electrons between atoms?
What is the capacity to do work or produce heat?

50 Clues: What is the smallest unit of an element? • What is the capacity to do work or produce heat? • What subatomic particle carries a positive charge? • What is the negatively charged subatomic particle? • What subatomic particle carries no charge (neutral)? • What is a substance made up of only one type of atom? • ...

Chemistry Crossword 2024-12-20

Across

a negatively charged particle in an atom
the ability of a substance to be shaped
the vertical colums in the periodic table
elements with seven valence electrons
the ability of a substance to be drawn into wires
a substance that can conduct electricity
elements that are good conductors
the number of protons and electrons in an element
the horizontal rows in the periodic table
a positively charged particle in an atom

Down

elements that are not good conductors
elements that will not react with other gases
a neutral particle in an atom
a change that changes the appearance of a substance
a change that makes something into a new substance
what does the periodic table list
the number that is the mass of an element
two or more substances that can be separated
the shininess of an substance
a substance made up of two or more elements

20 Clues: a neutral particle in an atom • the shininess of an substance • elements that are good conductors • what does the periodic table list • elements that are not good conductors • elements with seven valence electrons • the ability of a substance to be shaped • a negatively charged particle in an atom • a substance that can conduct electricity • ...

Chemistry G123 2024-12-20

Across

mixture containing small particles of an insoluble solid
characteristic of metals when it can be drawn into rods and sheets
the smallest particle of an element that can take part in a chemical reaction
Electrons that are not confined to any place
a process occurring at the surface of a liquid, involving the change of state from a liquid into a vapour at a temperature below the boiling point
a substance that neutralises an acid, producing a salt and water as the only products.
the temperature at which a liquid turns into a solid
Group 7 of the periodic table
Type of bond where the electron gets transferred
a measure of how much of a solute dissolves in a solvent
power derived from the utilization of physical or chemical resources, especially to provide light and heat or to work machines.
number the total number of of protons and neutrons in the nucleus of an atom
the branch of science concerned with the substances of which matter is composed, the investigation of their properties and reactions, and the use of such reactions to form new substances.
accompanied by or requiring the absorption of heat.
when mass is divided by formula mass
a substance which changes colour when added to acidic or alkaline solutions
....'s constant
the process of boiling a liquid and then condensing the vapour produced back into a liquid

Down

the electrode in any type of cell at which reduction (the gain of electrons) takes place; in electrolysis it is the negative electrode
the process when different fluids mix as a result of the random motions of particles
Group 1 of the periodic table
characteristic of metals when it can be hammered into sheets
charged particles made from an atom, or groups of atoms
a substance that cant be further divided into simpler substances by chemicals
the temperature at which a liquid boils, when the pressure of the gas created above the liquid equals atmospheric pressure
shells the outside part of an atom around the atomic nucleus
the central region of an atom that is made up of the protons and neutrons of the atom
Type of bond that has a shared pair of electrons
a substance formed by the chemical combination of two or more elements
example of a catalyst
A substance that does not conduct electricity
if two liquids form a completely uniform mixture when added together
number the number of the vertical column that an element is in on the Periodic table
atoms of the same element that have the same proton number but a different nucleon number
two substances mixed together but not chemically combined
accompanied by the release of heat.
the change of a vapour or a gas into a liquid; during this process heat is given out to the surroundings
a state in which the rate of the forward reaction equals the rate of the backward reaction.
passing an electric current through ionic substances
The mass, in grams, of 1 mole of a substance
speeds up a reaction
Group8 of the periodic table

42 Clues: ....'s constant • speeds up a reaction • example of a catalyst • Group8 of the periodic table • Group 1 of the periodic table • Group 7 of the periodic table • accompanied by the release of heat. • when mass is divided by formula mass • Electrons that are not confined to any place • The mass, in grams, of 1 mole of a substance • A substance that does not conduct electricity • ...

Chemistry G123 2024-12-20

Across

mixture containing small particles of an insoluble solid
characteristic of metals when it can be drawn into rods and sheets
the smallest particle of an element that can take part in a chemical reaction
Electrons that are not confined to any place
a process occurring at the surface of a liquid, involving the change of state from a liquid into a vapour at a temperature below the boiling point
a substance that neutralises an acid, producing a salt and water as the only products.
the temperature at which a liquid turns into a solid
Group 7 of the periodic table
Type of bond where the electron gets transferred
a measure of how much of a solute dissolves in a solvent
power derived from the utilization of physical or chemical resources, especially to provide light and heat or to work machines.
number the total number of of protons and neutrons in the nucleus of an atom
the branch of science concerned with the substances of which matter is composed, the investigation of their properties and reactions, and the use of such reactions to form new substances.
accompanied by or requiring the absorption of heat.
when mass is divided by formula mass
a substance which changes colour when added to acidic or alkaline solutions
....'s constant
the process of boiling a liquid and then condensing the vapour produced back into a liquid

Down

the electrode in any type of cell at which reduction (the gain of electrons) takes place; in electrolysis it is the negative electrode
the process when different fluids mix as a result of the random motions of particles
Group 1 of the periodic table
characteristic of metals when it can be hammered into sheets
charged particles made from an atom, or groups of atoms
a substance that cant be further divided into simpler substances by chemicals
the temperature at which a liquid boils, when the pressure of the gas created above the liquid equals atmospheric pressure
shells the outside part of an atom around the atomic nucleus
the central region of an atom that is made up of the protons and neutrons of the atom
Type of bond that has a shared pair of electrons
a substance formed by the chemical combination of two or more elements
example of a catalyst
A substance that does not conduct electricity
if two liquids form a completely uniform mixture when added together
number the number of the vertical column that an element is in on the Periodic table
atoms of the same element that have the same proton number but a different nucleon number
two substances mixed together but not chemically combined
accompanied by the release of heat.
the change of a vapour or a gas into a liquid; during this process heat is given out to the surroundings
a state in which the rate of the forward reaction equals the rate of the backward reaction.
passing an electric current through ionic substances
The mass, in grams, of 1 mole of a substance
speeds up a reaction
Group8 of the periodic table

Advanced Chemistry 2025-03-13

Across

Down

40 Clues: 2 • 3 • 4 • 6 • 9 • 1 • 5 • 7 • 8 • 25 • 10 • 34 • 26 • 40 • 32 • 24 • 30 • 16 • 13 • 12 • 22 • 19 • 35 • 27 • 39 • 36 • 17 • 28 • 14 • 29 • 15 • 21 • 11 • 38 • 20 • 31 • 23 • 37 • 33 • 18

CHEMISTRY REVIEW 2025-03-18

Across

– The process of coating metal, usually steel or iron, with a layer of zinc to prevent rusting.
Composition Reactions – Reactions where two or more substances combine to form one new compound.
- A metal used to protect iron rusting.
– The substances formed as a result of a chemical reaction.
Reaction – A process where substances change into new substances with different properties.
– A chemical used to kill or control unwanted plants (weeds).
– A substance that has a pH above 7 and produces hydroxide ions (OH⁻) in water.
– A reaction that absorbs heat energy.
– A solid that forms from a chemical reaction in a solution.
Reaction – A chemical reaction where a substance burns in oxygen, releasing heat and light.

Down

Change – A change in a substance’s form or appearance without altering its chemical composition.
– A type of pesticide specifically used to kill insects.
Dioxide - A gas responsible for acid rain, along with Nitrogen Oxides.
– A method used to remove pollutants from industrial exhaust gases using liquid sprays or filters.
– A large molecule made of repeating smaller units called monomers.
Material – A man-made substance created through chemical processes.
Reaction – A chemical reaction between an acid and a base that produces water and a salt.
Decomposition Reactions – Reactions where one compound breaks down into two or more simpler substances.
– A substance that has a pH below 7 and produces hydrogen ions (H⁺) in water.
– A substance used to eliminate or control pests.
– A reaction that releases heat energy.
– A mixture of two or more metals or a metal and another element.
– The starting substances in a chemical reaction.

23 Clues: – A reaction that absorbs heat energy. • - A metal used to protect iron rusting. • – A reaction that releases heat energy. • – A substance used to eliminate or control pests. • – The starting substances in a chemical reaction. • – A type of pesticide specifically used to kill insects. • – The substances formed as a result of a chemical reaction. • ...

Crossword Chemistry 2025-04-13

Across

jxxbxyz
bdudndddy
jsbsusbsns
dggdvhuddg
kzbzzuzn
a sampe
zjxhxu
jxbxudnd
bshxxbxhxb
sksbhzxy
izxhxhxhxb
zidbdu
zzxggshh
sishshshah
kdhxxuxbx

Down

hcbjccbcn
susbsj
jzzbsus
idbddhbddn
jsbxjx
ixxbuxdbd
dihfcudbdjd
jdbcudsbdhd
idncucbx
difbvugncncjc
ucbchcxn
cuhcxg
isxuddb
jdbdudhhdh
udbxucdh

30 Clues: susbsj • jsbxjx • zjxhxu • cuhcxg • zidbdu • jzzbsus • jxxbxyz • a sampe • isxuddb • idncucbx • kzbzzuzn • ucbchcxn • jxbxudnd • sksbhzxy • zzxggshh • udbxucdh • hcbjccbcn • bdudndddy • ixxbuxdbd • kdhxxuxbx • idbddhbddn • jsbsusbsns • dggdvhuddg • bshxxbxhxb • izxhxhxhxb • sishshshah • jdbdudhhdh • dihfcudbdjd • jdbcudsbdhd • difbvugncncjc

NUCLEAR CHEMISTRY 2025-04-22

Across

how an atom is referred to in nuclear chemistry
a very heavy nucleus splits into more stable nuclei of intermediate mass
light mass nuclei combine to form a heavier mare stable nucleus
use heat for nuclear reactors to produce electrical energy
neutron absorbing rods that help control the reaction by limiting the number of free neutrons
a reaction that affects the nucleus of an atom
the protons and neutrons of an atom collectively
unit used to measure nuclear radiation
a reaction in which the material that starts the reaction is also on on the products and can start another reaction
an electron emitted from the nucleus during radioactive decay

Down

the minimum amount of nuclide that provides the number of neutrons needed to sustain a chain reaction
the time required for half the atoms of radioactive nuclide to decay
2 protons and 2 neutrons emitted from the nucleus during decay
the difference between the mass of an atom and the sum of the masses of its protons, neutrons and electrons
use controlled fission chain reactions to produce energy or radioactive nuclides
a change in the identity of a nucleus as a result of a change in the number of its proton
stable nuclei cluster over a range of neutron-proton ratios
the spontaneous disintegration of a nucleus into a slightly lighter nucleus accompanied by emission of radiation
used to slow down the fast neutrons produced in fission
radiation absorbing material that is used to decrease exposure to radiation in nuclear reactors

20 Clues: unit used to measure nuclear radiation • a reaction that affects the nucleus of an atom • how an atom is referred to in nuclear chemistry • the protons and neutrons of an atom collectively • used to slow down the fast neutrons produced in fission • use heat for nuclear reactors to produce electrical energy • ...

Chemistry Vocabulary 2025-04-23

Across

– The starting materials in a chemical reaction.
– A substance that tastes bitter and can turn red litmus paper blue.
– A mixture where one substance is dissolved in another and looks the same throughout.
– The part of a solution that gets dissolved.
– A tiny particle in the nucleus of an atom with no charge (neutral).
– The part of a solution that does the dissolving (usually a liquid, like water).
– The smallest building block of matter; everything is made of atoms.
– A reaction that gives off heat, making the area feel warmer.
Properties – Traits you can observe or measure without changing what it is (like color or melting point).
– The new substances made after a chemical reaction.
– A substance made when two or more different elements join together chemically.
Energy – Heat energy; how fast the particles in a substance are moving.
– How much of a substance can dissolve in a solvent.
– A reaction between an acid and a base that makes water and a salt.

Down

– A mixture where you can see the different parts (like a salad).
Properties – Traits that describe how a substance can change into a new substance (like flammability).
– A combination of two or more things that aren’t chemically bonded.
Table – A chart that shows all known elements, organized by their properties.
– Two or more atoms bonded together; it can be the same or different elements.
– A mixture that looks the same throughout (like salt water).
– A tiny particle in the nucleus of an atom with a positive charge.
– A reaction that takes in heat, making the area feel colder.
Reaction – A process where substances change into new substances.
– How much solute is in a solution compared to the amount of solvent.
– A tiny particle with a negative charge that moves around the nucleus of an atom.
– A pure substance made of only one kind of atom.
– A substance that tastes sour and can turn blue litmus paper red.
of Conservation of Mass – A rule that says matter can’t be created or destroyed in a chemical reaction; the amount of mass stays the same before and after the reaction.

28 Clues: – The part of a solution that gets dissolved. • – The starting materials in a chemical reaction. • – A pure substance made of only one kind of atom. • – The new substances made after a chemical reaction. • – How much of a substance can dissolve in a solvent. • – A mixture that looks the same throughout (like salt water). • ...

Chemistry review 2025-06-02

Across

element with 7 valence electrons
when two or more elements form or break a bond
two or more atoms ionically bonded
tiny negatively charged
smallest unit of matter
force holding nucleus together
atom that has gained or lost an electron
force that pushes electrons apart from eachother
atoms closely packed together, unmoving
elements on the right side of the table
holds two atoms together
atoms spaced far apart
atoms packed close but sliding by
the basic measurement in chemistry

Down

two or more atoms covalently bonded
type of bond where atoms share electrons
type of bond where one atom takes an electron
many atoms forming a charged compound
outermost electrons
elements on the left side of the table
118 different varieties
uncharged in the nucleus
positive in the nucleus
amount of space a substance occupies
measured with a thermometer
first column of elements
other force holding nucleus together

27 Clues: outermost electrons • atoms spaced far apart • 118 different varieties • tiny negatively charged • positive in the nucleus • smallest unit of matter • uncharged in the nucleus • first column of elements • holds two atoms together • measured with a thermometer • force holding nucleus together • element with 7 valence electrons • atoms packed close but sliding by • ...

Chemistry & Ingredients 2025-06-18

Chemistry & Ingredients crossword puzzle

Across

Two saccharides linked together, such as sucrose.
Mixtures of fats and oils converted to fatty acids by heat and then purified.
Used to remove oil; also called surface active agent.
Two or more atoms joined together by a chemical bond.
Natural or synthetic ingredient that is added to personal care products to prevent spoilage.
The branch of science that deals with chemicals related to life processes and their reactions to the body.
Product packaged under pressure and blended with a propellant (gas) inside a container, usually a can; flammable.
Positively charged particle in the nucleus of an atom.
Equal mixtures of inorganic and organic substances that do not dissolve in water and that have been sifted and mixed until free of coarse, gritty particles.
Potential hydrogen; unit of measurement that indicates whether a substance is acidic, alkaline or neutral.
Ingredients that help hold the product together, provide a base for performance ingredients and safely reduce pathogens with a preservative system.
Compounds consisting of carbon, oxygen, hydrogen and nitrogen that join together in chains to form proteins to provide chemicals the body needs for growth and tissue repair.
Refers to anything that occupies space and has weight.
A change in a substance that creates a new substance with chemical characteristics different from those of the original substance.
Water-based solution measuring more positive hydrogen ions than negative hydroxide ions; measures less than 7 on the pH scale.
Cosmetic product formulated with a thickening agent to increase its viscosity (thickness or density).
Negatively charged particles that orbit around the nucleus of an atom.
Refers to liquids not able to be mixed.
Particle with no electric charge found in the nucleus of an atom.

Down

Water-based solution measuring more negative hydroxide ions than positive hydrogen ions; measures higher than 7 on the pH scale.
A simple unit of a carbohydrate.
Group of monomers that bond together to create larger, more complex compounds.
Any substance that dissolves into a liquid to form a solution.
Form of matter having definite weight but indefinite volume and shape.
Form of matter having definite weight and volume, but no definite shape.
Ingredients responsible for producing the desired effect; for example, botanicals, antioxidants/vitamins, acids, retinoids and peptides.
The non-polar end of a molecule that has an affinity for oil; oil-loving.
The polar end of a molecule that has an affinity for water; water-loving.
Any substance able to dissolve another substance.
Change, A change in the physical characteristics of a substance without creating a new substance.
The smallest complete unit of an element.
The scientific study of matter and the physical and chemical changes of matter.
Bond, A chemical bond formed by two amino acid molecules where amino end attaches to acid end; also known as an end bond.
Bond involving the sharing of electrons of two or more atoms.
A process in which individual particles of an active agent can be stored within a shell, coated within a film or surrounded by a polymeric material to create particles within the micrometer or millimeter range.
Form of matter having definite weight, volume and shape.
Indicates equal number of positive hydrogen ions and negative hydroxide ions; measures 7 on the pH scale.
Formed when two or more immiscible substances are united with the help of a binder or gum-like substance known as an emulsifier.
Mixtures of two or more kinds of molecules that will separate if left standing.

39 Clues: A simple unit of a carbohydrate. • Refers to liquids not able to be mixed. • The smallest complete unit of an element. • Two saccharides linked together, such as sucrose. • Any substance able to dissolve another substance. • Used to remove oil; also called surface active agent. • Two or more atoms joined together by a chemical bond. • ...

Chemistry Vocab 2025-05-14

Across

The number of these determines the element.
Atomic ____. Where it is on the periodic table.
____ Gas. Nonreactive "Country Club"
Mixture that is different throughout.
Mixture that is the same all the way through.
Atomic ____. Largest at the bottom left side of Periodic Table.
Elements with the same number of electron shells.
Less stable from more or less neutrons.
Everything above and right of the stairs.
Two or more elements chemically bonded in a fixed ratio.
The likelihood they will take someone else's electrons.
Elements with similar properties.
Everything below and left of the stairs.

Down

____ Energy. Amount of energy needed to steal electrons.
The number of these determines the stability of the element.
Super reactive nonmetals.
More or less electrons than protons.
Atomic ____. How much an element weighs.
The number of these determines the charge.
The substance that is dissolved.
Homogenous mixture of two or more substances.
The substance that makes something dissolve.
____ Metals. Super reactive metals.
Any matter that is not a mixture.
Two or more atoms chemically bonded.

25 Clues: Super reactive nonmetals. • The substance that is dissolved. • Any matter that is not a mixture. • Elements with similar properties. • ____ Metals. Super reactive metals. • More or less electrons than protons. • ____ Gas. Nonreactive "Country Club" • Two or more atoms chemically bonded. • Mixture that is different throughout. • Less stable from more or less neutrons. • ...

Chemistry Crossword 2025-05-08

Across

Bond where electrons are shared
Element found in all organic molecules
A scale of acidity or alkalinity
– Heat transfer through electromagnetic waves
– Related to heat
– Heat transfer through fluids
Outer covering of some sea creatures
Opposite of acidic
Sea animals that build reefs
Maintains stable pH in a solution
Best Chem Teacher
Gas increasing in the atmosphere, dissolves in oceans

Down

Bond where electrons are transferred
Related to the ocean
Mineral form used by marine organisms to make shells
Element with one proton
Neither acidic nor basic
– Material that slows heat transfer
Essential for building shells
Heat transfer through direct contact
Ocean water

21 Clues: Ocean water • – Related to heat • Best Chem Teacher • Opposite of acidic • Related to the ocean • Element with one proton • Neither acidic nor basic • Sea animals that build reefs • Essential for building shells • – Heat transfer through fluids • Bond where electrons are shared • A scale of acidity or alkalinity • Maintains stable pH in a solution • – Material that slows heat transfer • ...

Nuclear Chemistry 2025-05-19

Across

Positively charged particle in the nucleus
The time it takes for half the nuclei in a radioactive sample to decay
A particle consisting of 2 protons and 2 neutrons. Released during decay.
The presence of radioactive material in an undesired location
The center of the atom containing protons and neutrons
Energy emitted from a source in the form of particles or waves
Emergency Shutdown of a nuclear reactor
A reaction involving a change in an atom's nucleus, often producing a different element
The splitting of a heavy nucleus into lighter nuclei, releasing energy
The part of a nuclear reactor where the fission reaction takes place
Devices used in nuclear reactors to control the fission rate by absorbing neutrons
Negatively charged particle orbiting the nucleus
Neutrally charged particle in the nucleus
The process by which an unstable atomic nucleus loses energy by radiation

Down

A self-sustaining reaction where the products trigger further reactions
High-energy electromagnetic Radiation released from a nucleus
A high-speed electron emitted when a neutron turns into a proton
Another isotope used as nuclear fuel for fission reactions
A commonly used fuel in fission reactions
Radioactive particles that fall to the ground after a nuclear explosion or accident
Atoms of the same element with different number of neutrons
An isotope with an unstable nucleus that undergoes radioactive decay
The smallest unit of matter
The combining of light nuclei to form a heavier nucleus, also releasing energy
The use of nuclear reactions to generate electricity

25 Clues: The smallest unit of matter • Emergency Shutdown of a nuclear reactor • A commonly used fuel in fission reactions • Neutrally charged particle in the nucleus • Positively charged particle in the nucleus • Negatively charged particle orbiting the nucleus • The use of nuclear reactions to generate electricity • The center of the atom containing protons and neutrons • ...

Chemistry Vocabulary 2025-05-09

Across

father of the periodic table
type of elements located on the right side of the periodic table
positively charged ion formed by electron loss
atoms with same atomic number but different mass
subatomic particle located in energy levels
family name for series of period seven elements located at the bottom of the periodic table
scientist that proposed that electrons moved in fixed orbits around the nucleus
another name for covalent compounds
a educated guess based on observations

Down

a measure of an atom's ability to attract electrons in a bond
ionized gas found in lightning
type of elements on the staircase on the periodic table
mass per unit volume
type of bond formed when electrons are shared
a positively charged particle
type of bond formed through the transfer of electrons
family name for series of period six elements located at the bottom of the table
negatively charged ion formed by electron gain
type of elements located on the left side of the periodic table
smallest unit of an element

20 Clues: mass per unit volume • smallest unit of an element • father of the periodic table • a positively charged particle • ionized gas found in lightning • another name for covalent compounds • a educated guess based on observations • subatomic particle located in energy levels • type of bond formed when electrons are shared • positively charged ion formed by electron loss • ...

Organic Chemistry 2025-05-23

Across

compound with –COOH group
reaction of a substance with oxygen
a hydrocarbon with only single bonds
organic acid found in vinegar
gas produced when hydrocarbons burn completely
fuel used in jet engines
plastic made from ethene
process that breaks large hydrocarbons into smaller ones
used to test for alkenes (decolourises)
general formula for alkanes

Down

greenhouse gas from incomplete combustion
process used to separate crude oil into components
unsaturated hydrocarbon with a triple bond
ethyne is also known as...
general formula for alkenes
type of polymer formed from one monomer type
hydrocarbon series with double bonds
functional group in alcohols
alcohol with two carbon atoms
alkene with two carbon atoms

20 Clues: fuel used in jet engines • plastic made from ethene • compound with –COOH group • ethyne is also known as... • general formula for alkenes • general formula for alkanes • functional group in alcohols • alkene with two carbon atoms • organic acid found in vinegar • alcohol with two carbon atoms • reaction of a substance with oxygen • a hydrocarbon with only single bonds • ...

Chemistry Vocab 2025-07-31

Across

– A substance that increases H₃O⁺ ion concentration in water.
CHANGE – A process that creates one or more new substances.
– A measure of the total heat content of a system at constant pressure.
– Groups of two or more atoms bonded together.
– The physical form of matter: solid, liquid, or gas.
– A reaction that absorbs heat, causing the temperature to drop.
– A mixture in which particles eventually settle at the bottom.
– Substances formed at the end of a chemical reaction.
– A very small piece of matter.
– A combination of substances that can be separated.
– Substances that start a chemical reaction.
– A reaction that releases heat, raising the temperature of the surroundings.

Down

– A mixture where particles are between the size of those in a solution and suspension.
– A scale that measures acidity or alkalinity of a solution.
– A substance that speeds up a chemical reaction without being used up.
– A chemical reaction where a substance reacts with oxygen, producing heat and light.
– A substance that increases OH⁻ ion concentration in water.
– Positively charged particles found in the nucleus of an atom.
– Anything that has mass and takes up space.
– The smallest unit of an element that retains its properties.
CHANGE – A change that does not alter the chemical makeup of a substance.
– To spread evenly into another substance to form a solution.
– Negatively charged particles that orbit an atom's nucleus.
– A solid that forms and settles when two solutions react.
– A mixture where one substance dissolves in another.

25 Clues: – A very small piece of matter. • – Anything that has mass and takes up space. • – Substances that start a chemical reaction. • – Groups of two or more atoms bonded together. • – A combination of substances that can be separated. • – The physical form of matter: solid, liquid, or gas. • – A mixture where one substance dissolves in another. • ...

chemistry vocabulary 2022-12-07

Across

a positively charged region at the center of the atom
a one- or two-letter abbreviation for a chemical element name.
a subatomic particle found in the nucleus of every atom except that of simple hydrogen.
smallest building blocks of matter and make up everything around us
one basic substances.made of atoms only one kind and that cannot be separated by ordinary chemical means into simpler substances
a subatomic particle found in the nucleus of every atom with a positive charge
When an object has more electrons than protons
an element that form positive ions and has metallic bonds.
negatively charged subatomic particle that can be either bound to an atom or free (not bound).
organizes all discovered chemical elements in rows

Down

quantity of matter contained in an atom of an element
chemical element and its compounds in the natural state or the result of a manufacturing process
very small partical that is a building block for atom
the number of a chemical element in the periodic system, whereby the elements are arranged in order of increasing number of protons in the nucleus
group of electrons circulating around a nucleus or a molecule.
a chemical element that generally lacks a predominance of metallic properties
occurs when an atom has more protons than electrons
an element that has properties that are intermediate between those of metals and nonmetals.
process that takes place when a substance (or substances) are brought into contact with each other and produce a new substance(s)
level An energy level represents the 3-dimensional space surrounding the nucleus where electrons are most likely to be.

20 Clues: When an object has more electrons than protons • organizes all discovered chemical elements in rows • occurs when an atom has more protons than electrons • quantity of matter contained in an atom of an element • a positively charged region at the center of the atom • very small partical that is a building block for atom • ...

Chemistry Vocabulary 2022-12-06

Across

The evidence of a new solid is _________
Brittle and brakes easy
Is malleable and a good conductor
The amount of electrons the second level holds
The amount of electrons the first level holds
What two directions are periods going in PT?
What two directions are columns going in the PT?
Rings of energy
Less valence means elements are ________
The evidence of a spark is _____
The evidence of difference is _____

Down

Has properties of metal and non-metals
The evidence of a change in heat is ____
What side on the PT are Metals found on?
Has a positive charge
More valence means more ______
Has no charge
The amount of electrons the third level holds
The evidence of steaming is ___
Has negative charge

20 Clues: Has no charge • Rings of energy • Has negative charge • Has a positive charge • Brittle and brakes easy • More valence means more ______ • The evidence of steaming is ___ • The evidence of a spark is _____ • Is malleable and a good conductor • The evidence of difference is _____ • Has properties of metal and non-metals • The evidence of a new solid is _________ • ...

Chemistry Vocabulary 2022-12-06

Across

The evidence of a new solid is _________
Brittle and brakes easy
Is malleable and a good conductor
The amount of electrons the second level holds
The amount of electrons the first level holds
What two directions are periods going in PT?
What two directions are columns going in the PT?
Rings of energy
Less valence means elements are ________
The evidence of a spark is _____
The evidence of difference is _____

Down

Has properties of metal and non-metals
The evidence of a change in heat is ____
What side on the PT are Metals found on?
Has a positive charge
More valence means more ______
Has no charge
The amount of electrons the third level holds
The evidence of steaming is ___
Has negative charge

Chemistry Crossword 2022-12-10

Across

A pure substance found on the periodic table.
A type of heterogeneous mixture where solids are intermixed.
A separation technique where a solution passes through a material that pulls particles out.
A type of heterogenous mixture where different liquids settle and form layers.
A type of Homogenous mixture made up of a solute and a solvent.
A description of something that can be dissolved in water.
A major factor that affects the change of state of matter.
A curve of a liquid that is more attracted to its container forming a slight crater.
A state of matter with no fixed shape or fixed volume.
The product that gets dissolved when making a solution.
A separation technique where solids are put through increasingly smaller holed spaces.
A separation technique where a mechanical-mixture is separated by hand.
The point where no more solid can be dissolved into a liquid.

Down

A type of mixture where the components become one and cannot be distinguished from each other.
A pure substance made up of more than one Element
A state of matter with a fixed shape and volume.
A type of mixture where the components maintain their original identities.
A separation technique for liquids that have different boiling temperatures.
A state of matter with no fixed shape and a fixed volume.
The product that does the dissolving to make a solution (often water).
Something that takes up space and has wight.
The force that acts on water allowing it to not over flow a glass and for small creatures to walk on it.
A curve of a liquid that is more attracted to itself forming a slight dome.
The smallest atomic building block of matter.
A separation technique for solutions where the solvent is boiled off leaving behind the solute.
When a solid product seemingly disappears into a liquid.

26 Clues: Something that takes up space and has wight. • A pure substance found on the periodic table. • The smallest atomic building block of matter. • A state of matter with a fixed shape and volume. • A pure substance made up of more than one Element • A state of matter with no fixed shape or fixed volume. • The product that gets dissolved when making a solution. • ...

Chemistry Crossword 2022-12-10

Across

Model shows all electrons
Your favorite chemistry teacher
A clown in jail
A test in the laboratory
K
Has no net electric charge
Particles moving around the nucleus
Electrons in the outer shell
Positive particles in the nucleus
S
Positively charged particle
____ table
Another name to call ionic compounds
Negatively charged particle

Down

Electro____
Density is ____ over volume
Eye protection
Leave turning brown and yellow. This is a ___ change.
Combination of two or more atoms
Used to weigh substances
What you should do with a dead chemist.
Taste sour
Ladies' favorite chemical element
Model shows valence electrons
Na
Cu
salt dissolves in water. This is a ___ change.

27 Clues: K • S • Na • Cu • Taste sour • ____ table • Electro____ • Eye protection • A clown in jail • A test in the laboratory • Used to weigh substances • Model shows all electrons • Has no net electric charge • Density is ____ over volume • Positively charged particle • Negatively charged particle • Electrons in the outer shell • Model shows valence electrons • Your favorite chemistry teacher • ...

Chemistry Exam 2023-05-09

Across

Subatomic particles found inside the nucleus of every atom
An element that possesses a preponderance of properties in between, or that are a mixture of, those of metals and nonmetals
A substance with two or more atoms
Releases energy from its surroundings
variable that changes as a result of the independent variable manipulation
6.022 × 10
A small particle with a negative charge that is found in all atoms.
A form of a chemical element in which the atoms have the same number of protons but with a different number of neutrons.
Composed by a single element or compound
The process of using electricity to split water into hydrogen and oxygen
A stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron, but of opposite sign.
Fundamental items that can't be easily broken into smaller pieces

Down

A variable that isn't changed by other variables
A substance that takes part in and undergoes changes in a reactions
Opaque, lustrous elements that are good conductors of heat and electricity.
Process used by plants and other organisms to convert light energy into chemical reaction.
A process in which sugars are transformed into a new product through chemical reactions
Russian Chemist and inventor is known for formulating the periodic law
The same number of each type of atom on both sides of the equation
Reaction that absorbs energy
A force that acts from the outside
A column of elements in the periodic table of the chemical elements.
A substance that is present at the end of a chemical reaction.
A row of chemical elements
a substance made from two or more different elements that have been chemically joined.

25 Clues: 6.022 × 10 • A row of chemical elements • Reaction that absorbs energy • A substance with two or more atoms • A force that acts from the outside • Releases energy from its surroundings • Composed by a single element or compound • A variable that isn't changed by other variables • Subatomic particles found inside the nucleus of every atom • ...

GENERAL CHEMISTRY 2023-03-24

Across

ELEMENT WITH THE HIGHEST ELECTRONEGATIVITY
MADE BY COOLING CERTAIN MOLTEN MATERIALS IN A WAY THAT PREVENTS THEM FROM CRYSTALIZING
DISTRUPTS THE HYDROGEN BONDS BETWEEN WATER MOLECULES
MEASURE OF RESISTANCE OF LIQUID TO FLOW
MADE UP OF TWO ATOMS OF HYDROGEN AND AN ATOM OF OXYGEN
THE ABILITY OF THE LIQUID TO FLOW
FORCES THAT EXIST BETWEEN TWO ATOMS
ARE IN CONTINUOUS, RAPID, RANDOM MOTION THEREFORE POSSESSING INETIC ENERGY
SMALLEST PORTION OF A CRYSTAL LATTICE
HAVE DEFINITE VOLUME AND TAKE THE SHAPE OF THE CONTAINER
ORGAN OF THE BODY WITH 90% OF WATER
WATER LOVING END
FORCES THAT EXIST BETWEEN MOLECULES

Down

THE TOTAL THREE–DIMENTIONAL ARRANGEMENT PARTICE OF A CRYSTAL
ALL MATTER IN ANY STATE, CONSISTS OF VERY __________
CAME FROM A GREEK WORD WHICH MEANS "WITHOUT SHAPE"
A COLLISION WHEREIN THERE IS NO NET LOSS IN KINETIC ENERGY IN THE SYSTEM AS A RESULT OF THE COLLISION
IDENTICAL AND REPEATING STRUCTURE OF A SOLID
HELPS YOU UNDERSTAND THE BEHAVIOR AND PROPERTIES OF THE THREE STATES OF MATTER
PROPONENT OF LONDON DISPERSION FORCES
THE ABILITY TO MIX WITH OTHER SUBSTANCE
HAVE DEFINITE SHAPE AND VOLUME
THE TENDENCY OF LIQUID TO RISE
MOLECULAR SHAPE OF WATER MOLECULE
MEANS CHANGE

25 Clues: MEANS CHANGE • WATER LOVING END • HAVE DEFINITE SHAPE AND VOLUME • THE TENDENCY OF LIQUID TO RISE • THE ABILITY OF THE LIQUID TO FLOW • MOLECULAR SHAPE OF WATER MOLECULE • FORCES THAT EXIST BETWEEN TWO ATOMS • ORGAN OF THE BODY WITH 90% OF WATER • FORCES THAT EXIST BETWEEN MOLECULES • PROPONENT OF LONDON DISPERSION FORCES • SMALLEST PORTION OF A CRYSTAL LATTICE • ...

GENERAL CHEMISTRY 2023-03-24

Across

FORCES THAT EXIST BETWEEN MOLECULES
THE TENDENCY OF LIQUID TO RISE
ARE IN CONTINUOUS, RAPID, RANDOM MOTION THEREFORE POSSESSING INETIC ENERGY
HELPS YOU UNDERSTAND THE BEHAVIOR AND PROPERTIES OF THE THREE STATES OF MATTER
SMALLEST PORTION OF A CRYSTAL LATTICE
THE ABILITY TO MIX WITH OTHER SUBSTANCE
ELEMENT WITH THE HIGHEST ELECTRONEGATIVITY
MADE BY COOLING CERTAIN MOLTEN MATERIALS IN A WAY THAT PREVENTS THEM FROM CRYSTALIZING
THE ABILITY OF THE LIQUID TO FLOW
CAME FROM A GREEK WORD WHICH MEANS "WITHOUT SHAPE"
MEANS CHANGE
MEASURE OF RESISTANCE OF LIQUID TO FLOW

Down

DISTRUPTS THE HYDROGEN BONDS BETWEEN WATER MOLECULES
HAVE DEFINITE VOLUME AND TAKE THE SHAPE OF THE CONTAINER
FORCES THAT EXIST BETWEEN TWO ATOMS
HAVE DEFINITE SHAPE AND VOLUME
A COLLISION WHEREIN THERE IS NO NET LOSS IN KINETIC ENERGY IN THE SYSTEM AS A RESULT OF THE COLLISION
MADE UP OF TWO ATOMS OF HYDROGEN AND AN ATOM OF OXYGEN
MOLECULAR SHAPE OF WATER MOLECULE
IDENTICAL AND REPEATING STRUCTURE OF A SOLID
WATER LOVING END
ORGAN OF THE BODY WITH 90% OF WATER
THE TOTAL THREE–DIMENTIONAL ARRANGEMENT PARTICE OF A CRYSTAL
ALL MATTER IN ANY STATE, CONSISTS OF VERY __________
PROPONENT OF LONDON DISPERSION FORCES

25 Clues: MEANS CHANGE • WATER LOVING END • HAVE DEFINITE SHAPE AND VOLUME • THE TENDENCY OF LIQUID TO RISE • MOLECULAR SHAPE OF WATER MOLECULE • THE ABILITY OF THE LIQUID TO FLOW • FORCES THAT EXIST BETWEEN TWO ATOMS • FORCES THAT EXIST BETWEEN MOLECULES • ORGAN OF THE BODY WITH 90% OF WATER • SMALLEST PORTION OF A CRYSTAL LATTICE • PROPONENT OF LONDON DISPERSION FORCES • ...

Chemistry Lessons 2025-01-15

Across

An assembly of several atoms
Name of the last element of the periodical classification
Name of an ion with a positive charge
solution which has a pH > 7.0
Name of the solution used to identify chloride ions
solution which has a pH < 7.0
Number of protons of the last element in the periodic table
Year of publication of the periodic classification
The smallest particle of a chemical element
substance with the ability to dissolve other substances

Down

process for reducing the concentration of a solution by adding a solvent
Name of the chemical family made up of atoms that do not need to gain or lose electrons
solution which has a pH = 7.0
substance dissolved in a solution
Name of the link in which two atoms share two electrons
Number of columns in the periodical classification
technique for separating several components of a mixture
process by which a solute is incorporated into a solvent to form a homogeneous mixture called a solution
a scale used to specify the acidity or basicity of solutions
a pure body is composed of a …… chemical substance (number)
Name of the last electronic layer occupied by electrons in an atom
liquid to be placed in the chromatography tank
Part of the atom containing protons and neutrons

23 Clues: An assembly of several atoms • solution which has a pH = 7.0 • solution which has a pH > 7.0 • solution which has a pH < 7.0 • substance dissolved in a solution • Name of an ion with a positive charge • The smallest particle of a chemical element • liquid to be placed in the chromatography tank • Part of the atom containing protons and neutrons • ...

Chemistry Vocabulary 2025-02-14

Across

Takes place only of the surface of a liquid
A measure of the amount of matter in an object
Made of two or more substances which are not chemically combined
Diagrams showing the relationship between two variables
A substance that cannot be broken down into other substances
Two or more atoms bonded together
Particles which make up elements
No definite shape, no definite volume
The amount of space occupied by matter, LxWxH
Has a definite volume and definite shape

Down

Combination of symbols that shows the ratio of elements in a compound
Measure of the average energy of the of the particles in a substance
The measure of the force of gravity on an object
The study of the properties of matter and how matter changes
One or two letter set of characters used to identify an element
Phase change from liquid to solid
Amount of mass in a given volume, D= M/V
Anything that has mass and takes up space
Substance made of two or more elements combined in a specific ratio
Definite volume, but no definite shape

20 Clues: Particles which make up elements • Phase change from liquid to solid • Two or more atoms bonded together • No definite shape, no definite volume • Definite volume, but no definite shape • Amount of mass in a given volume, D= M/V • Has a definite volume and definite shape • Anything that has mass and takes up space • Takes place only of the surface of a liquid • ...

Chemistry - Elements 2025-03-03

Across

The home planet of a hero in this DC movie is also a useful laser medium
Can be utilized as a common disinfectant and chemical warfare
The most malleable of all metals, and can be drawn to a wire of a single-atom width
Historically and in literature referred to as "brimstone"
The "digital age" or "information age" would not be possible without this element
By mass, it is the most common element on Earth
Found in rich deposits of pollucite
Crucial strategic resources in World War 1 & 2 for aviation purposes
Isotope is a nuclear fission product
The sharp and pungent smell is the origin of this Greek word "stench"
One of four elements that are ferromagnetic at room temperature
The only metallic element known to be liquid at standard temperature and pressure
Electric signs utilized this element which was an evolution of the Geissler tube
Component of DNA, RNA, ATP and phospholipids, complex compounds fundamental to cells
Extremely rare metal with excellent resistance to corrosion
3rd hardest element with a Mohs hardness of 8.5

Down

Separated from Hafnium for nuclear reactors
Most abundant element in the universe
Gemstones such as chrysoberyl
Component of YBCO and electroceramics
Used medicinally as laxatives and antacids
Name derives from Latin calx "lime"
Used in fiber optic networks and as polymerization catalysts, as well as infrared night vision systems
Used as "glassmakers soap" through Middle Ages until modern times
6th most abundant element in Earth's crust
Occurs mainly as pegmatitic minerals
Primarily used in lithium-ion batteries, and manufacture of magnetic, wear resistant and high-strength alloys
Critical for normal nerve transmission
Used in flash lamps and arc lamps as well as a general anesthetic
Highest electrical conductivity, thermal conductivity, and reflectivity of any metal
Most abundant noble gas in the Earth's crust, comprising 0.00015%
This native metal is a key constituent of the respiratory enzyme complex cytochrome c oxidase
Highest melting and boiling points among all metalloids and nonmetals
Biocompatible metal with a range of medical applications

34 Clues: Gemstones such as chrysoberyl • Name derives from Latin calx "lime" • Found in rich deposits of pollucite • Occurs mainly as pegmatitic minerals • Isotope is a nuclear fission product • Most abundant element in the universe • Component of YBCO and electroceramics • Critical for normal nerve transmission • Used medicinally as laxatives and antacids • ...

organic chemistry 2025-03-04

Across

the process to make ethanol from glucose
the property of how easily a liquid evaporates
small molecules used to make polymers
the name of process to separate pertroleum
a familiy of similar compounds with same general formula and functional group
molecules contain C and H only
CnH2n+1COOH
a reaction has only one product formed
a reaction has a larger molecule and a small molecule(H2O) formed
type of polymerisation to make PET and nylon

Down

a reaction needs UV light
natural polymer with amide link
molecules with same moleular formula, but different structural formulae
type of polymerisation using alkenes
main constituent of natural gas
CnH2n
可生物降解的
a reaction in which a H in an alkane is replaced by a Cl atom
CnH2n+1OH
the molecules used to make natural polymer with amide link
CnH2n+2

21 Clues: CnH2n • 可生物降解的 • CnH2n+2 • CnH2n+1OH • CnH2n+1COOH • a reaction needs UV light • molecules contain C and H only • natural polymer with amide link • main constituent of natural gas • type of polymerisation using alkenes • small molecules used to make polymers • a reaction has only one product formed • the process to make ethanol from glucose • the name of process to separate pertroleum • ...

Chemistry Definitions 2024-10-31

Across

The family that lithium is in
the family that neon is in
A bond between two different elements
A molecule that is symmetrical
A phase change from solid to gas
Subatomic particle with no charge
A mixture that is uniform in composition
Mrs. Kordvanis favorite element
The family that fluorine is in
A reaction that breaks down a compound
A reaction that involves a hydrocarbon
Chaos or disorder
The family that copper is in

Down

The phase of matter with the biggest distance between the particles
The family that calcium is in
A phase change from gas to solid
The subatomic particle that determines the atomic number
A mixture of water and sand
Subatomic particle in the energy levels
The strongest intermolecular force. Also the name of an element.
The bond that forms when electrons are shared
The number within a compound
The bond that forms when electrons are transferred

23 Clues: Chaos or disorder • the family that neon is in • A mixture of water and sand • The number within a compound • The family that copper is in • The family that lithium is in • The family that calcium is in • A molecule that is symmetrical • The family that fluorine is in • Mrs. Kordvanis favorite element • A phase change from gas to solid • A phase change from solid to gas • ...

Chemistry Review 2026-02-04

Across

does mix, same
amount of solute in a given solution
one substance dissolves in another
no new substance is formed
liquid to solid
pure substance
two or more substances that are combined
center of an atom
substance being dissolved
amount of space something takes up
substance that does the dissolving
gas to liquid
solid to liquid
positively charged
creates a new substance

Down

water
two or more elements
does not mix, opposite
negatively charged
liquid to gas
number of protons in an element
neutral, no charge
protons and neutrons
amount of matter in an object
how much mass is in a certain amount of volume
pull of gravity on matter
takes up space

27 Clues: water • liquid to gas • gas to liquid • does mix, same • pure substance • takes up space • liquid to solid • solid to liquid • center of an atom • negatively charged • neutral, no charge • positively charged • two or more elements • protons and neutrons • does not mix, opposite • creates a new substance • substance being dissolved • pull of gravity on matter • no new substance is formed • ...

Chemistry terms 2025-08-25

Across

– State of matter with definite volume but indefinite shape.
– Smallest unit of an element that retains its chemical properties.
– Substance that easily vaporizes at normal temperatures.
– Pouring liquid off from solid or heavier liquid without disturbing sediment.
– Solid with a repeating, ordered structure.
– Theory stating that matter is made of indivisible atoms.
– Substance made of only one type of atom.
– Mixture with uniform composition throughout.
– The study of matter, its properties, and reactions.
– Mass cannot be created or destroyed in a chemical reaction.
– Well-substantiated explanation of some aspect of the natural world.
– Two or more atoms bonded together.
– Form of matter with uniform and definite composition.
– State of matter with definite shape and volume.
– Combination of two or more substances not chemically combined.

Down

– Matter made of only one type of particle.
– Separating solids from liquids using a filter.
– Solid without a long-range ordered structure.
– Anything that has mass and occupies space.
– Statement describing a consistently observed natural phenomenon.
– A procedure to test a hypothesis.
– Separating substances based on differences in boiling points.
– A testable explanation for a scientific observation.
– Substance made of two or more elements chemically combined.
– Mixture in which the composition is not uniform.
– Physical form of matter: solid, liquid, or gas.
– The types and amounts of elements in a substance.
– State of matter with neither definite shape nor volume.

28 Clues: – A procedure to test a hypothesis. • – Two or more atoms bonded together. • – Substance made of only one type of atom. • – Matter made of only one type of particle. • – Anything that has mass and occupies space. • – Solid with a repeating, ordered structure. • – Mixture with uniform composition throughout. • – Solid without a long-range ordered structure. • ...

Chemistry Intro 2026-02-23

Across

A chemical property describing ability to burn
Elements found on the right side of the periodic table
Positive particle in the nucleus
A solid that forms during a chemical reaction
Atomic mass equals protons plus these
A chemical property describes how a substance does this
Elements found along the stair-step line
Matter is anything that has this
Center of the atom
Protons plus neutrons equals this
Matter is made of tiny particles called this
Matter takes up this
Chemistry is the study of this and how it changes
Neutral particle in the nucleus

Down

A physical change changes form but not this
The periodic table organizes all known ______
A chemical change produces a new one
Rows on the periodic table
In a neutral atom protons equal these
Atomic number equals the number of these
Elements found on the left side of the periodic table
Metals are good ______
Nonmetals are this and poor conductors
Identifies the element
One sign of chemical change when this forms
Negative particle that moves around the nucleus
Most of the atom is this space
Columns on the periodic table

28 Clues: Center of the atom • Matter takes up this • Metals are good ______ • Identifies the element • Rows on the periodic table • Columns on the periodic table • Most of the atom is this space • Neutral particle in the nucleus • Positive particle in the nucleus • Matter is anything that has this • Protons plus neutrons equals this • A chemical change produces a new one • ...

Simple Chemistry 2026-02-25

Across

Thin filament of actin protein that drives cell movement and muscle contraction
Gain of electrons during a chemical change
Integral membrane protein that forms a channel specifically for water molecules
A pair of cylindrical structures that organize microtubules during cell diffusion
Membrane-bound sac containing enzymes that break down cellular waste
Scientific study of the microscopic structure of tissues
Form of endocytosis that ingests extracellular fluid and dissolved solutes
Process by which an atom loses or gains electrons
Substance that becomes dispersed in a solvent
Central region of an atom that contains positively charged and negatively charged particles
Organelle containing enzymes that detoxify harmful substances and break down hydrogen peroxide
Hollow tube made of tubulin that provides structural support and tracks for intracellular support
Cell that synthesizes extracellular matrix components such as collagen
Dynamic process that maintains internal stability despite external fluctuations
Liquid that dissolves a solute to form a solution

Down

Fundamental unit of matter consisting of a central nucleus and surrounding negatively charged particles
Immune cell that engulfs and destroys pathogens and debris
Neutrally charged particle found in the atomic nucleus
Process by which a cell engulfs external material to bring it inside
Vesicle-mediated release of substances from the interior of a cell to the exterior
Specialized cell that generates and conducts nerve impulses
Red blood cell responsible for transporting oxygen throughout the body
Loss of electrons during a chemical change
Positively charged particle located in the atomic nucleus
Double membrane organelle that generates ATP through oxidative phosphorylation
Passive movement of water across a semi-permeable membrane toward higher solute concentration
Spontaneous spread of particles from an area of higher concentration to an area of lower concentration
Form of endocytosis that captures solid particles such as bacteria
Group of similar cells that work together to perform a specific function
Dense region within the nucleus where ribosomal RNA is assembled
Negatively charged particle that orbits the nucleus in discrete energy levels
Threadlike complex of DNA and proteins that makes up genetic material inside the nucleus
Molecular machine composed of RNA and protein that assembles amino acids into polypeptide chains

33 Clues: Gain of electrons during a chemical change • Loss of electrons during a chemical change • Substance that becomes dispersed in a solvent • Process by which an atom loses or gains electrons • Liquid that dissolves a solute to form a solution • Neutrally charged particle found in the atomic nucleus • Scientific study of the microscopic structure of tissues • ...

ADVANCED CHEMISTRY 2026-02-25

Across

- Negative subatomic particle.
- Oxygen linking two alkyl groups.
- Carbonyl at chain end.
ACID - Compound with –COOH group.
- Neutral nucleus particle.
BOND - Electrostatic attraction between charged ions.
ELECTRON - Outer‑shell bonding electron.
GROUP - Atom/group replacing hydrogen in a chain.
- Compound with an –OH group.
- Carbonyl group inside a carbon chain.
- Hydrocarbon with a triple bond.
- Alkane minus one hydrogen.
- Four‑carbon alkane.
BOND - Shared‑electron bond.
CHEMISTRY - Study of carbon compounds.
- Saturated hydrocarbon with single bonds.
- Molecule with partial charge separation.
GROUP - Alkane missing a hydrogen, acts as a substituent.

Down

- Positive nucleus particle.
- Simplest single‑bonded alkane (CH₄).
- Region where electrons reside.
BOND - Force holding atoms together.
LEVEL - Electron shell distance from nucleus.
- Compound of only carbon and hydrogen.
- Non‑aromatic carbon chains or rings.
NUMBER - Describes electron energy and position.
- Hydrocarbon with a double bond.
- -COOR group, often fragrant.
- Ring structure of atoms.
- Saturated ring hydrocarbon.
- Six‑carbon aromatic ring.
RULE - Atoms aim for 8 valence electrons for stability.
- Non‑aromatic cyclic compound.
- Carbon’s ability to form long chains.
- International chemical naming system.

35 Clues: - Four‑carbon alkane. • - Carbonyl at chain end. • - Ring structure of atoms. • - Neutral nucleus particle. • - Six‑carbon aromatic ring. • - Positive nucleus particle. • - Alkane minus one hydrogen. • BOND - Shared‑electron bond. • - Saturated ring hydrocarbon. • - Compound with an –OH group. • - Negative subatomic particle. • - -COOR group, often fragrant. • ...

Advance Chemistry 2026-02-25

Across

– The global organization that standardizes chemical naming conventions.
ACID – Organic compounds that contain the carboxyl (-COOH) functional group.
– A negatively charged particle that moves around the nucleus of an atom.
– Compounds that have a carbonyl group located within the interior of the carbon chain.
NUMBER – Numerical values that define the position, energy, and orientation of an electron in an atom.
FORMULA – A representation indicating the exact number of each type of atom in a molecule.
– Organic compounds with a carbonyl group positioned at the end of a carbon chain.
– Chemical compounds composed entirely of carbon and hydrogen atoms.
– A hydrocarbon belonging to the alkane family with four carbon atoms.
– Hydrocarbons that contain only single covalent bonds between carbon atoms; they are fully saturated.
BOND – A bond created when atoms share pairs of electrons.
– Organic compounds characterized by a -COOR group and commonly associated with pleasant, fruity odors.
BOND – The force or attraction that holds atoms together in a compound.
BOND – A type of bond formed through the attraction between positively and negatively charged ions.
– A branch of chemistry focused on carbon-containing compounds.
– A ring-shaped hydrocarbon made up of six carbon atoms with alternating double bonds.
LEVEL – Specific regions around the nucleus where electrons are likely to be found.

Down

– Saturated hydrocarbons whose carbon atoms form a ring structure.
RULE – The principle that atoms tend to achieve eight valence electrons by gaining, losing, or sharing electrons.
– A positively charged particle located inside an atom’s nucleus.
GROUP – A fragment of an alkane formed after the removal of one hydrogen atom.
– The most basic alkane, consisting of one carbon atom bonded to four hydrogen atoms.
– A neutral particle found in the nucleus of an atom.
– Organic compounds that are non-aromatic and may exist as straight chains, branched chains, or non-benzene rings.
– Organic substances that possess a hydroxyl (-OH) functional group.
CHAINS – Atom arrangements that connect in a closed-loop or ring form.
– Hydrocarbons that include at least one carbon–carbon triple bond.
– Hydrocarbons that have at least one carbon–carbon double bond.
COMPOUND – Chemical compounds that typically contain carbon bonded to hydrogen.
– Refers to non-aromatic ring compounds that display properties of aliphatic compounds.
GROUP – An atom or cluster of atoms that replaces a hydrogen atom in a parent chain.
– The property of an element, especially carbon, to bond with itself to create chains or rings.
ELECTRON – An electron found in the outermost energy level of an atom, involved in bonding.
– Compounds in which an oxygen atom is bonded to two carbon-containing groups.
– Describes a molecule with uneven charge distribution, resulting in partial positive and negative ends.

35 Clues: – A neutral particle found in the nucleus of an atom. • BOND – A bond created when atoms share pairs of electrons. • – A branch of chemistry focused on carbon-containing compounds. • – Hydrocarbons that have at least one carbon–carbon double bond. • – A positively charged particle located inside an atom’s nucleus. • ...

chemistry crossword 2026-02-04

Across

The "Tiger" that eats through glass.
The invisible security guard in your paper money.
The solid metal that turns to soup in your palm.
The rainbow-salt metal found in asteroid impact layers.
The metal that "screams" when you bend it.
The toxic "Yellow" in an artist's palette.
The heavyweight champion; the densest of them all.
The "Poisoner’s Poison" with a green-twig spectrum.
The Lanthanide that is literally "hard to get."

Down

Rainbow crystals with a half-life longer than the universe.
The 1925 latecomer with a massive melting point.
The element named for the city of Copenhagen.
The tiny ingredient in the world’s strongest magnets.
The metal sponge that "drinks" hydrogen gas.
The "Lead-lookalike" that actually strengthens steel.
The source of "garlic breath" for chemists.
The "Moon" element that conducts better in the light.
The "last" of the rare earths.
The "anti-monk" metal used for ancient eyeliner.
The acid-proof metal named for a thirsty Greek king.

20 Clues: The "last" of the rare earths. • The "Tiger" that eats through glass. • The metal that "screams" when you bend it. • The toxic "Yellow" in an artist's palette. • The source of "garlic breath" for chemists. • The metal sponge that "drinks" hydrogen gas. • The element named for the city of Copenhagen. • The Lanthanide that is literally "hard to get." • ...

Chemistry Vocab 2025-08-12

Across

A method of converting between units using conversion factors.
A solution that can still dissolve more solute at a given temperature.
A solution that contains the maximum amount of dissolved solute at a given temperature.
liquids that do mix and form a homogeneous solution (e.g., alcohol and water).
A ratio used to convert one unit into another (e.g., 1 inch = 2.54 cm).
liquids that do not mix to form a solution (e.g., oil and water).
A statement that two values or units are equal (used in conversion factors, e.g., 60 minutes = 1 hour).
The ratio of the uncertainty of a measurement to the measured value, expressed as a percentage. Formula: (Uncertainty / Measured Value) × 100%
Curve A graph showing how solubility changes with temperature.
A property that does not depend on the amount of substance (e.g., density, boiling point, color).
The boundary between two immiscible substances (e.g., between oil and water).
A homogeneous mixture of a solute dissolved in a solvent.

Down

A device that displays measurements as numbers on a screen (e.g., digital thermometer or electronic balance).
The amount of solute in a given amount of solvent or solution. Common units: g/L, mol/L (molarity)
A solution where water is the solvent.
The substance that is dissolved in a solution.
Describes a solution that has a small amount of solute compared to solvent.
A mixture with a uniform composition throughout (e.g., saltwater).
The process of a solute dissolving in a solvent to form a solution.
The mass of a substance per unit volume. Formula: Density = Mass / Volume
A solution that contains more dissolved solute than is normally possible at that temperature (unstable).
Describes a solution that has a large amount of solute dissolved in it.
The maximum amount of a solute that can dissolve in a solvent at a specific temperature.
The curved surface of a liquid in a container; measurements should be read from the bottom of the meniscus at eye level.
The substance that dissolves the solute (usually the one in greater amount).
A device that shows measurements using a scale and pointer (e.g., a ruler or thermometer with a needle).

26 Clues: A solution where water is the solvent. • The substance that is dissolved in a solution. • A homogeneous mixture of a solute dissolved in a solvent. • A method of converting between units using conversion factors. • Curve A graph showing how solubility changes with temperature. • liquids that do not mix to form a solution (e.g., oil and water). • ...

Chemistry Review 2025-10-03

Across

what a column is called on the periodic table
charge of the electron
____ electrons that are on the outside shell of an atom
part of the atom outside of the nucleus
the simplest substance made of one type of atom
unit for solid volume
density=____/volume
what a row is called on the periodic table
which part of the atom determines the element
elements on the stairstep
items with a pH from 7.1-14
items ____ dense than one will float in water
charge of the neutron
unit for mass
substance made of two or more elements that are chemically combined
elements to the left of the stairstep

Down

atoms of the same element, but with a different number of neutrons
charge of the proton
the independent variable is the item that ______
items with a pH from 0-6.9 are considered _____
constants are items that stay the ____
items to the left of the arrow in a chemical equation
unit for liquid volume
density of water (spell out number)
a rusting car is a ______ change
elements to the right of the stairstep
the fourth state of matter
atoms with a charge (either positive or negative)
mass number=protons + __________
substance made of two or more substances that are physically combined
items to the right of the arrow in a chemical equation

31 Clues: unit for mass • density=____/volume • charge of the proton • unit for solid volume • charge of the neutron • charge of the electron • unit for liquid volume • elements on the stairstep • the fourth state of matter • items with a pH from 7.1-14 • a rusting car is a ______ change • mass number=protons + __________ • density of water (spell out number) • ...

Chemistry Vocab 2025-11-13

Across

Separation of a pure substance as it precipitates out of solution at low temperature.
Bond type that yields substances with the most diverse set of properties.
Substances are separated by boiling at different temperatures.
Elements that form anions and are poor conductors of electricity.
Technique for separating an insoluble solid from a liquid.
Bond formed by strong electrostatic attraction between charged atoms.
Forms of an element, like diamond and graphite, with different bonding and structure.
A particle consisting of a few atoms held together by covalent bonds.
Technique used to separate substances based on differences in solubility in a mobile phase.
The most reactive nonmetals on the periodic table.
Highly stable gasses in Group 18.
Another term for a homogeneous mixture.

Down

Charge on an atom that has lost electrons.
Charge on an atom that has gained electrons.
In paper chromatography, the paper is called the _____ phase.
Substance in a solution present in largest amount.
City where an explosion in a nuclear reactor caused massive contamination of the surrounding area.
Another word for a pure substance.
Formed when an atom loses one or more electrons.
Earth metal in the fourth period.
Forms of an atom that have different number of neutrons.
Element that is mined for its use as an excellent nuclear fuel.
An ordered crystal of many particles arranged in a repeating pattern.
Technique that separates substances by density by spinning at high speed.
Substance in solution present in smaller amount.
Family of soft, solid highly reactive elements.
A mixture of metals.
In paper chromatography, the moving solvent is called the _____ phase.
Elements that are large in volume and have low specific heats.
Group of radioactive inner transition metals in the f-block.
An atom with more electrons than protons.
Element with the smallest radius on the periodic table.

32 Clues: A mixture of metals. • Earth metal in the fourth period. • Highly stable gasses in Group 18. • Another word for a pure substance. • Another term for a homogeneous mixture. • An atom with more electrons than protons. • Charge on an atom that has lost electrons. • Charge on an atom that has gained electrons. • Family of soft, solid highly reactive elements. • ...

Chemistry Rocks!! 2025-12-17

Across

Negative ion
The smallest unit of an element
The ability to attract electrons
Electrons involve in bonding
What happens to electrons in an ionic bond
The shortest covalent bond
Positive charge in the nucleus
The SI unit for temperature
Phase of matter where the particles vibrate

Down

Two or more substances physically combined
What happens to electrons within a covalent bond
The space occupied by matter
Anything that has mass and volume
The SI unit for length
A substance with atoms from different elements chemically combined
Instrument to measure mass
The difference between two values
Positive ion
Amount of matter in an object
Mass per unit of volume

20 Clues: Negative ion • Positive ion • The SI unit for length • Mass per unit of volume • Instrument to measure mass • The shortest covalent bond • The SI unit for temperature • The space occupied by matter • Electrons involve in bonding • Amount of matter in an object • Positive charge in the nucleus • The smallest unit of an element • The ability to attract electrons • ...

Advanced Chemistry 2026-02-25

Across

Describes a bond with unequal sharing of electrons.
Aromatic hydrocarbon with a six-carbon ring and alternating double bonds.
Bond formed through transfer of electrons between atoms.
Positively charged particle found in the nucleus.
Saturated hydrocarbon arranged in a ring structure.
Compound made only of carbon and hydrogen atoms.
Electron in the outermost shell involved in bonding.
Cyclic compound that is not aromatic.
Organic compound with general formula R–O–R’.
Unsaturated hydrocarbons that contain at least one double bond.
Number describing the location and energy of an electron in an atom.
Referring to compounds primarily made of carbon and hydrogen.
Formula showing the actual number of each type of atom in a molecule.
A four-carbon alkane (C₄H₁₀).
Rule stating atoms tend to gain, lose, or share electrons to achieve eight valence electrons.
Organic compounds containing the –COOH functional group.
The simplest hydrocarbon with one carbon atom (CH₄).
Negatively charged subatomic particle.

Down

Organic compound with the functional group R–OH.
Fixed region around the nucleus where electrons are found.
Carbon atoms connected to form a closed loop.
Electron located in the outermost energy level of an atom.
Organic compound arranged in open chains (non-aromatic).
Organic compounds with a carbonyl group bonded to two carbon atoms.
Saturated hydrocarbons containing only single bonds.
Force that holds atoms together in a compound.
Neutral particle found inside the atomic nucleus.
The ability of carbon to bond with itself to form chains.
Bond formed by sharing of electron pairs between atoms.
Organic compounds containing the –CHO functional group.
Unsaturated hydrocarbons containing at least one triple bond.
Organic compound with general formula RCOOR’.
Group An atom or group of atoms replacing hydrogen in a parent chain.
International organization responsible for chemical naming rules.
An alkane minus one hydrogen atom.

35 Clues: A four-carbon alkane (C₄H₁₀). • An alkane minus one hydrogen atom. • Cyclic compound that is not aromatic. • Negatively charged subatomic particle. • Carbon atoms connected to form a closed loop. • Organic compound with general formula R–O–R’. • Organic compound with general formula RCOOR’. • Force that holds atoms together in a compound. • ...

Y7 Chemistry 2026-03-17

Across

A scale from 0–14 that shows how acidic or alkaline a substance is
change : When a substance changes colour during a reaction
A substance that usually does not react like metals
A change that forms new substances and is usually not reversible
A solid that forms when two liquids react
A reaction that cannot be changed back
A substance made when an acid reacts with a base
A reaction between an acid and an alkali to make salt and water
A gas needed for burning and many reactions
A substance that burns to release energy
When a reaction makes bubbles of gas
A substance with pH less than 7 that can react with metals
A chemical that changes colour to show pH

Down

A process where substances change to form new substances
A reaction where a substance burns in oxygen
A substance with pH more than 7 that dissolves in water
Energy that is given out or taken in during a reaction
A rise or fall in temperature during a reaction
A substance that often reacts with oxygen or acid
A starting substance in a chemical reaction
A change where no new substance is made (e.g. melting)
A new substance made in a chemical reaction
A reaction where oxygen is added to a substance

23 Clues: When a reaction makes bubbles of gas • A reaction that cannot be changed back • A substance that burns to release energy • A solid that forms when two liquids react • A chemical that changes colour to show pH • A gas needed for burning and many reactions • A starting substance in a chemical reaction • A new substance made in a chemical reaction • ...

Chemistry Bonus 2026-04-23

Across

the number of moles of solute dissolved in one liter of solution
chemical bond between oppositely charged ions
the species produced when a base accepts a hydrogen ion from an acid
a state of balance where opposing chemical reactions or forces occur at the same exact rate
minimum energy required to start chemical reaction
releasing energy
measure of the hydrogen ion concentration in a substance
negatively charged subatomic particle
number of electrons in an atoms outer shell
substance that participates in a reaction and undergoes a chemical change
substance formed as a result of a chemical reaction
gaining energy
a change in matter in which new materials with new chemical and physical properties are formed

Down

measure of moles of solute per kilogram of solvent
the species that results when an acid donates a hydrogen ion to a base
positively charged subatomic particle
table with chemical elements
physical combination of two or more substances that are not chemically bonded
chemical bond formed when electrons are shared by atoms
homogeneous mixture of two or more substances

20 Clues: gaining energy • releasing energy • table with chemical elements • positively charged subatomic particle • negatively charged subatomic particle • number of electrons in an atoms outer shell • chemical bond between oppositely charged ions • homogeneous mixture of two or more substances • measure of moles of solute per kilogram of solvent • ...

NUCLEAR CHEMISTRY 2026-04-13

Across

A reaction in which the material that starts the reaction is also one of the products and can start another reaction.
The spontaneous disintegration of a nucleus into a slightly lighter nucleus accompanied by the emission of radiation.
Light-mass nuclei combine to form a heavier, more stable nucleus.
The minimum amount of nuclide that provides the number of neutrons needed to sustain a chain reaction.
The range of neutron-proton ratios over which stable nuclei cluster.
Unit used to measure nuclear radiation exposure or dose.
An electron emitted from the nucleus during radioactive decay.
Uses controlled fission chain reactions to produce energy or radioactive nuclides.
The time required for half the atoms of a radioactive nuclide to decay.
Radiation-absorbing material that is used to decrease exposure to radiation in nuclear reactors.
How an atom is referred to in nuclear chemistry.
Neutron-absorbing rods that help control the reaction by limiting the number of free neutrons.
Used to slow down the fast neutrons produced in fission.

Down

A reaction that affects the nucleus of an atom.
2 protons and 2 neutrons emitted from the nucleus during decay.
The difference between the mass of an atom and the sum of the masses of its protons, neutrons, and electrons.
The protons and neutrons of an atom collectively.
A very heavy nucleus splits into more stable nuclei of intermediate mass.
A change in the identity of a nucleus as a result of a change in the number of its protons.
Uses heat from nuclear reactors to produce electrical energy.

20 Clues: A reaction that affects the nucleus of an atom. • How an atom is referred to in nuclear chemistry. • The protons and neutrons of an atom collectively. • Unit used to measure nuclear radiation exposure or dose. • Used to slow down the fast neutrons produced in fission. • Uses heat from nuclear reactors to produce electrical energy. • ...

Chemistry Vocabulary 2026-04-02

Across

describes a chemical reaction by showing how atoms in the reactants are
substance formed as a result of a chemical reaction (right side)
a substance is evenly distributed (or dissolved) within a liquid, gas, or solid
a pure substance (same throughout) that is made up of one type of atom.
All compounds are molecules but not all molecules are compounds.
the starting materials found in a chemical equation(left side) that will react together
change in form or appearance but not chemical make-up
symbol a letter abbreviation of an element name; always starts with a capital letter
For Example, in the compound H 2 O there are 2 atoms of Hydrogen
group of atoms bonded together composed of a single element or a single
protons and neutrons and an electron cloud
mass stays the same during a reaction. The total mass of the
during a reaction a new substance is made when the atoms of the original
glucose (food)

Down

the smallest particle of matter that has distinct properties because of its nucleus which
energy using the energy from sunlight to convert carbon dioxide and water into oxygen
consists of multiple different substances that are not evenly
are rearranged to make something new (evidence: precipitate, energy change, gas,
each sample of the mixture will have the same proportion of components
so each sample of the mixture may have different proportions of components
a chart of all the known elements on Earth organized based on the physical
sometimes color)
a set of chemical symbols (letters) and subscripts (numbers) showing
matter is not created or destroyed just rearranged
elements are bonded together to form a molecule
bonded together. For Example H 2 O all water molecules are mode the same
consists of multiple different substances that are evenly distributed
The big number in front of a formula that indicates how many molecule groups.
the chemical process by which plants (and some bacteria) produce their own
to form new substances in the products
pure substance (same throughout) that is made up of two or more different
the small number behind the element indicates the number of atoms for that
chemical properties of each
is equal to the total mass of the products (the type and number of atoms stays the

34 Clues: glucose (food) • sometimes color) • chemical properties of each • to form new substances in the products • protons and neutrons and an electron cloud • elements are bonded together to form a molecule • matter is not created or destroyed just rearranged • change in form or appearance but not chemical make-up • mass stays the same during a reaction. The total mass of the • ...

Organic Chemistry 2026-05-05

Across

used instead of an acyl chloride as it is safer
H-N-C=O
Loves chemistry jokes and will call you a munchkin
Newest chemistry teacher
used to identify OH and NH in proton exchange
Solvent for NMR
Loves playing clash of clans
excess ethanolic NH3 is the condition to make this compound
this type of hydrolysis produces COO-
This teacher doesnt work on Fridays
full name for TMS because why not
this element bonded with carbon has the slowest rate of hydrolysis
the intermediate in electrophilic addition
uses a haloalkane and a halogen carrier to add a carbon chain onto benzene
the melting point of this compounds precipitate is tested vs a database

Down

adds a carbonyl group onto the benzene ring
Made from the partial oxidation of a primary alcohol
Dehydrating salts like MGSO4 are used after using this piece of equipment
Secret word
an unpaired electron, some versions contribute to ozone destruction
The ion used in the oxidation of alcohols
Someone pretended to be this teacher in an email to scare Y9s
a ketone wont work but an aldehyde will
Indicates a CH3 next to our hydrogen environment
If this teacher is teaching be prepared to come to the board
used to purify an organic solid
enthalpy of ___ is less in benzene
HNO3 + H2SO4 --> HSO4- + NO2+ + H2O
This is done under pressure for organic synthesis

29 Clues: H-N-C=O • Secret word • Solvent for NMR • Newest chemistry teacher • Loves playing clash of clans • used to purify an organic solid • full name for TMS because why not • enthalpy of ___ is less in benzene • This teacher doesnt work on Fridays • HNO3 + H2SO4 --> HSO4- + NO2+ + H2O • this type of hydrolysis produces COO- • a ketone wont work but an aldehyde will • ...

Chem Project 2022-04-13

Across

atomic
proton
react
neutral
negative
shiny
unit

Down

outside
protons#
shine
dust

11 Clues: dust • unit • shine • react • shiny • atomic • proton • outside • neutral • protons# • negative

Le materie 2021-06-15

Across

economics
architecture
law
nursing
music

Down

biology
history
chemistry
philosophy
art
engineering

11 Clues: art • law • music • biology • history • nursing • economics • chemistry • philosophy • engineering • architecture

Spanish 10 crossword puzzle 2024-09-06

Spanish 10 crossword puzzle crossword puzzle

Across

Calculus
Dance
Science
biology
chemistry
Act

Down

physics
History
math
literature
english

11 Clues: Act • math • Dance • physics • History • Science • biology • english • Calculus • chemistry • literature

School subjects 2024-09-22

Across

Down

12 Clues: 3 • 4 • 1 • 7 • 5 • 9 • 8 • 6 • 2 • 11 • 10 • 12

School subjects 2023-01-29

Across

francouzština
dějepis
zeměpis
biologie
občanka

Down

chemie
pracovky
hudebka
matematika
fyzika
náboženství

11 Clues: chemie • fyzika • dějepis • hudebka • zeměpis • občanka • pracovky • biologie • matematika • náboženství • francouzština

School Subjects - 7th Grade 2025-10-08

School Subjects - 7th Grade crossword puzzle

Across

عربي
علوم
تاريخ
عبراني
رياضة

Down

رياضيات
كيمياء
بيولوجيا
انجليزي
جغرافيا
فيزياء

11 Clues: عربي • علوم • تاريخ • رياضة • كيمياء • فيزياء • عبراني • رياضيات • انجليزي • جغرافيا • بيولوجيا

RMHS Academic Edition 2026-02-26

Across

Class
RMHS
Difficult
Goal
Resilience

Down

Read
Math
School
Work
chemicals
Skill
Class

12 Clues: Read • Math • RMHS • Work • Goal • Class • Skill • Class • School • Difficult • chemicals • Resilience

V2 lesson 4.1/4.2/4.3 2026-03-02

Across

knuffel
plafond
bewijzen
helemaal
voorspellen
motor

Down

scheikunde
uitvinder
achteruit
opblazen
natuurkunde

11 Clues: motor • knuffel • plafond • opblazen • bewijzen • helemaal • uitvinder • achteruit • scheikunde • voorspellen • natuurkunde

Chemistry Crossword 2020-12-10

Across

Phenolphthalein changes to this colour in alkaline solution
these salts produce carbon dioxide on reaction with acids
This sort of series is a family of organic compounds
A metal that exists as a liquid at room temperature
Element used by Rutherford during his alfa-scattering experiment
Quantum of light energy
both brass and bronze are an alloy of this element
sp3 hybridized carbon has this geometry
Hair and nails are made up of this protein
Alcohol produced by the fermentation of sugarcane
the solution having pH greater than 7
Proposed the electronic structure of an atom

Down

This food flavouring is a dilute solution of acetic acid
Important metal in the mineral content of bones
Acid produced by ants stings and bites
Fruity smelling substance obtained from the reaction between alcohol and carboxylic acid
A white lusturous metal used for ornaments tarnish to black on exposure to air.
proposed the theory of the existence of Atom
The toxic gas produced by incomplete combustion of organic compounds
Method to find the concentration of acid or alkali

20 Clues: Quantum of light energy • the solution having pH greater than 7 • Acid produced by ants stings and bites • sp3 hybridized carbon has this geometry • Hair and nails are made up of this protein • proposed the theory of the existence of Atom • Proposed the electronic structure of an atom • Important metal in the mineral content of bones • ...

Chemistry Crossword 2020-12-10

Across

, he was number 1
, rare earth metal
, atomic number 94
, a unit measure
, When different elements join together they form these
, a positive compound
, educated guess
, nether can be destroyed or created
, used in welding
, positive charge
, type of battery
, laughing

Down

, Glenn T. seaborg
, molecules undergo a rearrangement
, you need this
, a Noble
, runny
, a negative compound
, the study of
, no charge
, A scientist who found an element (first name only)
, negative charge particle
, bananas
, a unit measure
, gone nuclear

25 Clues: , runny • , bananas • , a Noble • , laughing • , no charge • , the study of • , gone nuclear • , you need this • , a unit measure • , educated guess • , a unit measure • , he was number 1 • , used in welding • , positive charge • , type of battery • , Glenn T. seaborg • , rare earth metal • , atomic number 94 • , a negative compound • , a positive compound • , negative charge particle • ...

General Chemistry 2020-12-07

Across

It is the number of moles of that component divided by the total number of moles of solute and solvent.
It is a concentration that are used when studying the properties of solution related to vapor pressure and temperature changes.
It is the universal solvent.
A homogeneous mixture of one subtance dissolved in another substance.
It occurs when molecules of water are attracted to other substances.
The combined force of attraction among water molecules and with the molecules of the molecules of the surrounding material.
A molecule that has electrically charged areas.
The tightness across the surface of water that is caused by the polar molecules pulling on one another.
Resistance of a liquid to flow.
The dipole-dipole interactions experienced when H is bounded to N, O, or F, are usually strong.
substance that do not have charged answer.
The thing doing the dissolving.

Down

A ratio of the amount of solute to the amount of solvent.
The attractions between molecules are not nearly as strong as the intramolecular attractions (bonds) that hold the compounds together.
The tendency of electron cloud to distort.
It describes the number of moles of the substance per liter of liquid.
The amount of energy needed to increase the temperature of something 1 degree C.
The thing that dissolves away.
The attractive force between water molecules.
Interaction that are found in solution of ions.
It describes the only set of conditions at which all three phases can exist in equilibrium with one another.
Intermolecular forces that bind similar molecules to one another.
The relationship among the solid, liquid, and vapor states (or phases), of a substance in a sealed container can be represented in. a single graph.

23 Clues: It is the universal solvent. • The thing that dissolves away. • Resistance of a liquid to flow. • The thing doing the dissolving. • The tendency of electron cloud to distort. • substance that do not have charged answer. • The attractive force between water molecules. • Interaction that are found in solution of ions. • A molecule that has electrically charged areas. • ...

Chemistry Review 2021-05-31

Across

Nonmetal + nonmetal. (unit five)
Messiness, disorder. (unit eleven)
The concentrations of reactants and products are this at equilibrium. (unit twelve)
Less than the maximum amount of solute dissolved in a solvent at a certain temp. (unit nine)
Spread evenly, looks uniform from the outside. (unit two)
Made the first experimental working model of the atom. (unit three)
Discovered atomic mass. (unit four)
Used to convey the accuracy of an instrument's measurement. (unit one)
To compress very large or very small numbers. (unit one)
Movement of a gas through a small opening. (unit eight)
Break apart/down. (unit thirteen)
Conducts electricity when dissolved in water. (unit thirteen)

Down

Measures atomic pressure. (unit eight)
Not spontaneous, forced. (unit ten)
The rule that states that electrons will occupy individual orbitals before pairing with each other to minimize repulsions. (unit three)
In a Voltaic cell it is negatively charged and will get larger as it is reduced. (unit fourteen)
Along with being in a closed container, this is a necessary ingredient for equilibrium. (unit twelve)
Vertical columns, also known as a family. (unit four)
Type of reaction that occurs when there is a change in oxidation state and a free/uncombined element. (unit fourteen)
Energy it takes to initiate/start a reaction. (unit eleven)
Equal to a certain quantity of something (6.02x10^23 particles). (unit seven)
Formula that shows the simplified/reduced version of a molecule. (unit seven)
Rule that states that atoms gain/lose/share electrons to get 8 valence electrons. (unit five)
The liquid that does the dissolving within a solution. (unit nine)
Has mass and volume. (unit two)
2 light nuclei combine to make a heavier one. (unit ten)

26 Clues: Has mass and volume. (unit two) • Nonmetal + nonmetal. (unit five) • Break apart/down. (unit thirteen) • Messiness, disorder. (unit eleven) • Not spontaneous, forced. (unit ten) • Discovered atomic mass. (unit four) • Measures atomic pressure. (unit eight) • Vertical columns, also known as a family. (unit four) • Movement of a gas through a small opening. (unit eight) • ...

Chemistry crossword 2021-07-12

Across

change in state is _______ reaction
Oxide of which element is used as major ingredient in cement
what type of reaction is represented by digestion in our body
hydrogen gas burns with ____ sound
Respiration is example of ___ reaction?
What does the symbol (aq) represent in a chemical equation
we should never change ______ of formula
PH stands for _____in German meaning power
_____agent reduces the other reactant and oxidizes itself

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Equation which doesn't follow the law of conservation of mass
plaster of paris changes to _______ on mixing with water
oxidation of fats and oils which makes the smell and taste bad is known as?
______ gas is filled in packet of chips to prevent rancidity
Gas evolved when zinc reacts with dilute HCL
white silver chloride changes into _____colour when exposed to sunlight
indicator is a substance whose smell varies depending on whether it is mixed with an acidic or basic solution
Fatty foods become rancid due to the process of ____
aqueous solution of sodium chloride is known as?
brown flake substance acquires on the surface of iron after long exposure to moisture is ?
When Carbon Dioxide passes through lime water it turns lime water?
_______Displacement reaction is a chemical reaction in which a more reactive element displaces a less reactive element from its compound
On heating calcium carbonate turns into calcium ______

22 Clues: hydrogen gas burns with ____ sound • change in state is _______ reaction • Respiration is example of ___ reaction? • we should never change ______ of formula • PH stands for _____in German meaning power • Gas evolved when zinc reacts with dilute HCL • aqueous solution of sodium chloride is known as? • Fatty foods become rancid due to the process of ____ • ...

Chemistry: Matter 2022-09-01

Across

is a measure of the amount of matter an object has
two or more different substances are physically mixed (not chemically combined)
Separating components of a liquid mixture based on how fast the parts travel up a special paper
separating a liquid from another liquid, both have different boiling points
made of only one type of atom
unit to measure volume
Separate two liquids with different density or separate liquid from a heavy sediment
being dissolved
Separating smaller solids from liquids using filter paper
Example of a solvent
mixture does not look uniform, can see the parts that make up the mixture
separating two solids, one is magnetic
substances that cannot be separated by physical mean
Example of a solute
is the amount of space an object takes up

Down

made of two or more types of atoms
dissolving the solution
unit to measure mass
Separating components of a mixture based on the difference in density
Example of a mixture
Anything that has a mass and takes up space
composition is uniform, cannot see the parts that make up the mixture
smallest unit of an element or compound
Separating larger solids from smaller solids using a sieve
all matter is made up of ____.
separating a liquid from a solid that has been dissolved

26 Clues: being dissolved • Example of a solute • unit to measure mass • Example of a mixture • Example of a solvent • unit to measure volume • dissolving the solution • made of only one type of atom • all matter is made up of ____. • made of two or more types of atoms • separating two solids, one is magnetic • smallest unit of an element or compound • is the amount of space an object takes up • ...

Chemistry Crossworld 2022-09-08

Across

two protons and two electrons tightly bound together
planck's constant*frequency
relationship between frequency and wavelength
abbreviations used in chemistry for chemical elements
element with atomic number of 23
atomic number of hydrogen
atoms with a positive charge that have fewer electrons and protons
amount of matter in solid object
element that consists of 6 electrons, neutrons, and protons with mass number of 12
a subatomic particle of about the same mass as a proton but without an electric charge
what atoms that lose electrons become
atomic number of selenium
when atoms absorb energy
a table of the chemical elements arranged in order of atomic number
outside part of atom around atomic nucleus
particle with positive charge
element that consists of 5 electrons, neutrons, and protons with a mass number of 10
element that consists of 10 protons, electrons, and neutrons with a mass number of 20
same number of electrons and protons
atomic number of francium
letter z is used to represent it
what atoms are mostly made up of
total number of protons and neutrons
the distance between any given point and the same point in the next wave cycle
wavelength*frequency

Down

element with atomic number of 69
atomic number of calcium
the number of times a point on a wave passes a fixed reference point in one second
atomic number of krypton
fewer or more electrons in an atom
particle with negative charge
element with atomic number of 86
the position and the velocity of an object cannot both be measured exactly
radioactive form
property of matter containing more or less protons/electrons
wavelength region from 400 to 700nm
the center of an object made entirely of protons and neutrons
the rate of change of position of an object in any direction
colors in order of frequency, from least to greatest
what atoms become gain electrons become
nonradioactive form
element that has the same number of protons but different numbers of electrons
atoms with a negative charge that have fewer protons than electrons
minimum amount of energy that can be gained or lost by an atom
atomic number of sodium
element with atomic number of 58
made up of subatomic particles

47 Clues: radioactive form • nonradioactive form • wavelength*frequency • atomic number of sodium • atomic number of calcium • atomic number of krypton • when atoms absorb energy • atomic number of hydrogen • atomic number of selenium • atomic number of francium • planck's constant*frequency • particle with negative charge • particle with positive charge • made up of subatomic particles • ...

Chemistry: Solutions 2022-08-05

Across

a mixture in which particles are evenly distributed
Point Elevation the increasing of the boiling point of a liquid due to the addition of a solute
the maximum amount of solute able to dissolve at a specific temperature. Usually in g/100g solvent
a mixture of carbon with iron
the ability to attract electrons in a covalent bond
substances in which all particles are the same
Pressure the pressure created by the evaporation of a substance in a closed container
the solubility of gases in liquids do this at higher temperatures
a comparative term used to say you have a solution with small amounts of solute
The substance being dissolved
This is tough to do solutions
the type of solution used to create crystals
contains more than one type of particle
less than the maximum amount of solvent for a given temperature
A condition caused by the dissolving of nitrogen in the blood and the formation of bubbles in the blood

Down

a mixture in which particles are not evenly distributed
two liquids that are unable to mix with eachother
the units used for concentration in chemistry
a graph of the solubility of a substance over a temperature range
a homogeneous mixture distributed as ions or molecules
the universal solvent
solution of metals like brass
A second factor affecting solubility of gases (not temperature)
Point Depression the lowering of the freezing point of a liquid due to the addition of a solute
the amount of energy created or used in the dissolving process
a substance that carries electrical current when dissolved in water
a comparative term used to say you have a solution with lots of solute
The substance doing the dissolving
the maximum amount of solvent for a given temperature
A substance that isn’t able to dissolve in another
A substance that is able to dissolve in another
to add more solvent without adding more solute
two liquids that are able to mix with eachother

33 Clues: the universal solvent • solution of metals like brass • a mixture of carbon with iron • The substance being dissolved • This is tough to do solutions • The substance doing the dissolving • contains more than one type of particle • the type of solution used to create crystals • the units used for concentration in chemistry • substances in which all particles are the same • ...

ORGANIC CHEMISTRY 2022-11-02

Across

alkanes that contain a ring of three or more carbons.
BOND, sharing of electrons between two atoms.
Compound that contains only carbon and hydrogen atoms.
Hydrocarbon with all carbon–carbon bonds are single bonds.
a polymer in which two different monomers are present.
Have same molecular formula and have different structural formula.
not mirror images with different configurations at 1+ (but not all) equivalent stereocenters.
RULE, for an element to be stable, it must have eight electrons.
compound used by insects (and some animals) to transmit a message to other members of the same species.
International Union of Pure and Applied Chemistry
compound derived from an oxoacid in which at least one hydroxyl group is replaced by an alkoxy group, as in the substitution reaction of a carboxylic acid and an alcohol.
\/\/\/\
Hydrocarbon with one or more carbon–carbon multiple bonds (double bonds, triple bonds, or both).

Down

Structural arrangements of different groupings (a central atom connected with other atoms) in a molecule.
structural formula arrangement of all bonded carbon atoms without showing the attached hydrogen atoms.
Chemical linkage into chains of atoms of the same element, occurring only among the atoms of an element that has a valence of at least two and that forms relatively strong bonds with itself.
compounds in which one or more atoms of carbon are covalently linked to atoms of other elements, most commonly hydrogen, oxygen, or nitrogen.
class of compounds that contain an ether group—an oxygen atom connected to two alkyl or aryl groups.
originally referred to the primary alcohol ethanol, which is used as a drug and is the main alcohol present in alcoholic drinks.
The state of an atom with four electrons available for covalent chemical bonding in its valence.
makes up over 90% of all chemical compounds.
FORMULA, A Lewis structure in which bonded electron pairs in covalent bonds are shown as lines.
Organic compounds whose carbon skeleton is composed of two or more 5-carbon isoprene structural units
The existence of two or more different physical forms of achemical element.
GROUP, Part of an organic molecule responsible for most of its chemical reactions.
compounds and functional groups that contain a basic nitrogen atom with a lone pair.
BOND, type of linkage formed from the electrostatic attraction between oppositely charged ions in a chemical compound.
any substance in which two or more chemical elements (usually other than carbon) are combined, nearly always in definite proportions.
two-dimensional structural representation that depicts the bonding of all atoms in a molecule.
mirror images with different configurations at all equivalent stereocenters.

30 Clues: \/\/\/\ • makes up over 90% of all chemical compounds. • BOND, sharing of electrons between two atoms. • International Union of Pure and Applied Chemistry • alkanes that contain a ring of three or more carbons. • Compound that contains only carbon and hydrogen atoms. • a polymer in which two different monomers are present. • ...

Chemistry review 2022-05-19

Across

COMPOUNDS CONTAINING ONLY CARBON AND HYDROGEN
The distance from the nucleus of an atom to the outer ring.
Disulfure trioxide is
general formula for alkanes
study of matter and energy and the materials of the universe
If a solid is formed from two aqueous solutions that are mixed, that solid is called
the dilution equation
HYDROCARBONS CONTAINING ALL SINGLE COVALENT BONDS (saturated)
How many peaks pass a point in a period of time
a hydrocarbon that can be drawn two different ways and both are correct has this
any of the series of unsaturated hydrocarbons containing a double bond, including ethylene and propylene.
one of two or more compounds, radicals, or ions that contain the same number of atoms of the same elements but differ in structural arrangement and properties.
general formula for alkenes
THESE CONTAIN ANY NUMBER OF CARBON ATOMS, ONE AFTER ANOTHER IN A CHAIN AND ARE NAMED ACCORDING TO THE NUMBER OF CARBONS
general formula for alkynes

Down

METHOD USED TO EXTRACT NATURAL GAS OR OIL FROM ROCK BY USING WATER, CHEMICALS AND SAND AT HIGH PRESSURE TO RELEASE IT. VERY BAD FOR THE ENVIRONMENT.
The only two sub-atomic particles that are found in the nucleus are
If two atoms of the same element have different numbers of neutrons, then they are said to be
the molar mass of helium is
any of the series of unsaturated hydrocarbons containing a triple bond, including acetylene.
The molar mass of Ammonium Sulfate is:
one of two or more compounds that contain the same number and kinds of atoms but that differ significantly in their geometric arrangement.
The chemical formula for Hydrogen Sulfide
a positively charged ion
compounds that have a scent
The units for volume on the metric system are
The atomic number is equal to the number of:
amount of space
a throughly tested explanation for what is observed
Electrons in the outermost ring
a negatively charged ion
HC2H3O2
using a catalyst and heat to break down into smaller molecules
each of two or more compounds which differ from each other in the arrangement of groups with respect to a double bond, ring, or other rigid structure.
The distance from peak to peak
The ability of an atom to attract electrons to itself.
The mass in grams of one mole of a substance
Hydrocloric acid is
an atom with a charge.
There are __________ protons in Nickel.

40 Clues: HC2H3O2 • amount of space • Hydrocloric acid is • Disulfure trioxide is • the dilution equation • an atom with a charge. • a positively charged ion • a negatively charged ion • the molar mass of helium is • general formula for alkanes • compounds that have a scent • general formula for alkenes • general formula for alkynes • The distance from peak to peak • Electrons in the outermost ring • ...

Chemistry KLASS 2022-06-17

Across

two hydrogens and one oxygen
the colour of the hottest flame on a Bunsen burner
Produced when a solute is dissolved in a solvent
The gas which pops with a lighted splint
Gas produced by a burning candle
Apparatus for heating chemicals
the only liquid metal at room temperature

Down

state with the most energetic particles
Unit of temperature
turns blue when litmus is added
Iron, copper and zinc are all examples of this type of material
All materials do this when heated
Glass container for chemical reactions
state of matter where particles vibrate about a fixed point
gas necessary for life
the low density gas in some balloons
hydrochloric and sulphuric are two examples
the main part of air
the solid form of water
the main element in coal
the colour of the coolest flame on a Bunsen burner

21 Clues: Unit of temperature • the main part of air • gas necessary for life • the solid form of water • the main element in coal • two hydrogens and one oxygen • turns blue when litmus is added • Apparatus for heating chemicals • Gas produced by a burning candle • All materials do this when heated • the low density gas in some balloons • Glass container for chemical reactions • ...

Chemistry Project 2022-05-19

Across

the heaviest element
The amount that is actually produced in a reaction
the relationship between the relative quantities of substances taking part in a reaction or forming a compound, typically a ratio of whole integers.
any of a class of organic chemical compounds composed only of the elements carbon (C) and hydrogen (H)
the maximum possible mass of a product that can be made in a chemical reaction
the basic unit of a chemical element.
the atomic weight of this element is 10.81
6.02214076 × 1023 of some chemical unit, be it atoms, molecules, ions, or others.
how many wave peaks pass a certain point per given time period
the liquid that dissolves the solute
the lightest noble gas
AT CONSTANT
T(K)
P(atm)
tiny packets of energy
this elements atomic weight is 69.72
distance between two consecutive peaks
the abbreviation of this element is K
on the perodic table this elements abrevation is pb
the degree to which a solute dissolves
any atom or group of atoms that bears one or more positive or negative electrical charges
the ratio of the actual yield to the theoretical yield expressed as a percentage

Down

this elements atomic weight is 16
IF THE PRESSURE increases THE VOLUME DECREASES
one that has all the solute it can hold at a constant temperature.
than it can hold at a constant temperature
the atomic number of this element is 35
solid that is dissolved
one that contains less
M
Is the relative ability of an atom in a molecule to attract shared electrons to itself
n
AT CONSTANT PRESSURE, IF THE TEMPERATURE, INCREASES THE VOLUME INCREASES AND VICE VERSA.
IF YOU INCREASE THE PRESSURE, THE TEMPERATURE INCREASES AND VICE VERSA.
standard temperature and pressure
V(L)
m
R(.0821)
a homogenous mixture of two or more substances in relative amounts that can be varied continuously up to the solubility limit.
a mathematically described region around a nucleus in an atom or molecule that may contain zero, one, or two electrons
the amount of a substance in a certain volume of solution

41 Clues: M • n • m • T(K) • V(L) • P(atm) • R(.0821) • AT CONSTANT • the heaviest element • one that contains less • the lightest noble gas • tiny packets of energy • solid that is dissolved • this elements atomic weight is 16 • standard temperature and pressure • the liquid that dissolves the solute • this elements atomic weight is 69.72 • the basic unit of a chemical element. • ...

Chemistry Crossword 2022-05-31

Across

the process that happens when a gas becomes a liquid
the average kinetic energy of the particles in a substance with units in K or °C
a positively charged subatomic particle located inside the nucleus
every organic molecule has to have this element
energy an object has due to its motion
a negatively charged subatomic particle that orbits the nucleus
when heat or energy is absorbed
an element with the atomic number of 8
stored energy an object has due to its position

Down

a measure of force over a unit area with units in kPa or atm
saturated hydrocarbon are in this homologous series
an organic reaction that produces alcohol and carbon dioxide
molarity and parts per million are used to describe this
the process that happens when a solid directly becomes a gas
the process that happens when a solid becomes a liquid
an organic reaction that makes soap
scientist who shot particles at a piece of gold foil
the process that happens when a gas directly becomes a solid
a neutral subatomic particle located inside the nucleus
when heat or energy is given off
a unsaturated hydrocarbon that has a carbon triple bond and is in this homologous series

21 Clues: when heat or energy is absorbed • when heat or energy is given off • an organic reaction that makes soap • energy an object has due to its motion • an element with the atomic number of 8 • every organic molecule has to have this element • stored energy an object has due to its position • saturated hydrocarbon are in this homologous series • ...

Chemistry Crossword 2022-05-31

Across

the process that happens when a gas becomes a liquid
the average kinetic energy of the particles in a substance with units in K or °C
a positively charged subatomic particle located inside the nucleus
every organic molecule has to have this element
energy an object has due to its motion
a negatively charged subatomic particle that orbits the nucleus
when heat or energy is absorbed
an element with the atomic number of 8
stored energy an object has due to its position

Down

a measure of force over a unit area with units in kPa or atm
saturated hydrocarbon are in this homologous series
an organic reaction that produces alcohol and carbon dioxide
molarity and parts per million are used to describe this
the process that happens when a solid directly becomes a gas
the process that happens when a solid becomes a liquid
an organic reaction that makes soap
scientist who shot particles at a piece of gold foil
the process that happens when a gas directly becomes a solid
a neutral subatomic particle located inside the nucleus
when heat or energy is given off
a unsaturated hydrocarbon that has a carbon triple bond and is in this homologous series

Atmospheric Chemistry 2022-06-16

Across

CO
H2O
An alternative to petrol that can be made from crops
CO2
CH4
Removing CO2 from emissions and storing it
The name of the radiation also called heat
The dying out of a species
O3
SO2

Down

NOx
C
Something with no net release of CO2
The total amount of CO2 released in a product's lifetime
Effect leading to warming of the Earth
Short-wave visible radiation
The gas surrounding the surface of the Earth
Making people pay extra for activities that release lots of CO2
The main gas in the Earth's atmosphere
Taking actions to counteract the effects of activities that release lots of CO2

20 Clues: C • CO • O3 • NOx • H2O • CO2 • CH4 • SO2 • The dying out of a species • Short-wave visible radiation • Something with no net release of CO2 • Effect leading to warming of the Earth • The main gas in the Earth's atmosphere • Removing CO2 from emissions and storing it • The name of the radiation also called heat • The gas surrounding the surface of the Earth • ...

Chemistry Game 2022-05-19

Across

what shape is CO
The units for volume on the metric system are:
what shape is NH3
Identify the following reaction: HCl + NaOH --> NaCl + H2O
electrons in the outermost ring
The name of HCI is:
An atom with a charge is:
a hydrocarbon containing one or more double bond
(s) ---> KCl (s) + O2
Identify the type of reaction here: H2CO3(aq) + Pb(NO3)2 (aq) --> PbCO3 (s) + HNO3 (aq)
If a solid is formed from two aqueous solutions that are mixed, that solid is called:
an ionic compound usually has metals and?
Which is more electronegative Magnesium or Sulfur?
How many peaks pass a point in a period of time
volume is defined as "amount of what"
Mass is the measure of:
what is this equation called? " MiVi = MfVf"

Down

The name of MgS is:
what shape is CH2Cl2
The study of matter and energy and the materials of the universe
a hydrocarbon that is saturated
The distance from peak to peak
Identify the type of reaction here:
The distance from the nucleus of an atom to the outer ring.
has the same molecular formula but different molecular formula
Identify the type of reaction here: 4Fe (s) + 3 O2 (g) ---> 2Fe2O3
Na+ is a:
a hydrocarbon containing one or more triple bond
If two atoms of the same element have different numbers of neutrons, then they are said to be:
The ability of an atom to attract electrons to itself.
The compound HC2H3O2 is called
there are 28 protons in what:
what shape is NH2
The atomic number is equal to the number of:
a thoroughly tested explanation for what is observed

35 Clues: Na+ is a: • what shape is CO • what shape is NH3 • what shape is NH2 • The name of MgS is: • The name of HCI is: • what shape is CH2Cl2 • Mass is the measure of: • An atom with a charge is: • there are 28 protons in what: • The distance from peak to peak • The compound HC2H3O2 is called • (s) ---> KCl (s) + O2 • a hydrocarbon that is saturated • electrons in the outermost ring • ...

Chemistry Final 2022-06-01

Across

a homogenous mixture of variable composition in a single phase
the process of vaporization caused by random liquid particles close to the surface of a liquid obtaining sufficient kinetic energy to leave the liquid phase.
a process for separating a mixture on the basis of the different boiling points of its components
a substance formed when the anion of an acid and the cation of a base combine.
a heterogenous mixture formed when medium-sized particles are dispersed in a dispersing medium
the substance that is dissolved by a solvent; the substance in lower abundance in a solution
The law that states that the pressure and volume of a sample of a gas at a constant temperature are inversely related PV=k
the ability of a substance to spontaneously fill its available space
chemical _____ is the state in a reversible chemical reaction in which the forward and reverse reaction rates are equal and the concentration of each substance is stable
a _____ solution is a solution with a pH less than 7.
the attraction between the particles of a liquid
this type of solution contains the maximum amount of solute that it can hold at current conditions
a naturally occurring biochemical catalyst
any substance that breaks down normal surface tension by interfering with hydrogen bonds.
the attraction between particles of a liquid and the particles of other materials.
the study of the rates of chemical reactions and the steps by which they occur
the _____ theory explains how chemical reactions occur that states that for a reaction to occur the substances (1) must collide (2) in the proper orientation and (3) with sufficient energy, called the activation energy
the _____ solution contains more than the maximum amount of solute that it can normally hold at current conditions
The law that states that the Kelvin temperature and a volume of a sample of gas at a constant pressure are directly related V/T=k
a substance that changes a reaction rate without being consumed in the chemical reaction.
the _____ point is the specific pressure and temperature at which a substance will be in the solid, liquid, and vapor forms in equilibrium.
______ energy is the energy released when gaseous particles form crystals
a _____ solid has no distinct shape or underlying pattern.
this type of reaction is a chemical reaction in which an acid and a base react to form water and a salt.

Down

the most abundant substance in a solution; the substance that dissolves the solute.
a heterogenous mixture formed when large particles are suspended in another substance. The suspended particles are so large that they will eventually settle out
one of the different forms that an element can have
the _____ law relates the pressure, temperature, volume, and the number of moles in any sample of gas; PV=nRT
The maximum amount of a solute that can dissolved in a specific solvent under specific conditions, such as temperature and pressure.
a solution that resists pH changes when acids or bases are added; usually consists of a weak acid and its conjugate base or a weak base and its conjugate acid.
a _____ reaction is a reaction that can occur in both forward and the reverse directions
the ability of a substance to be squeezed into a smaller volume by applying pressure
a liquid's ability to resist flowing.
a_____ solution is a solution that has a pH greater than 7.
the ____ law states that the kelvin temperature and pressure of a sample of gas at a constant volume are directly related; P/T=k
the _____ gas law states that the pressure, volume, and Kelvin temperature of a sample of gas vary jointly; PV/T=k
____tension is the elastic "skin" that forms on the surface of liquids, cased by the imbalance of intermolecular forces at the liquids surface
the curved surface of a liquid caused by the interplay between cohesion and adhesion
a substance that reduces the effectiveness of a catalyst, slowing its action
the acronym form Standard Temperature and Pressure; this is a temperature and pressure agreed upon by chemists for comparison of research. 273.15 K and 101.325 kPa
this type of solution contains less than the maximum amount of solute that it could hold at current conditions
any substance that produces ions, which conduct electricity in a solution.
(P) the force per unit area caused by the collisions of fluid particles with their container, usually found in kPa, torr, mmHg, or atm.
the _______ energy is minimum energy necessary for a chemical reaction to occur when reactants collide in the proper orientation.
the process by which particles pass through a tiny opening into an evacuated chamber.
the ______ law states that the volume of a gas at a constant temperature and pressure is directly proportional to the number of moles in a gas.
any substance that can flow

47 Clues: any substance that can flow • a liquid's ability to resist flowing. • a naturally occurring biochemical catalyst • the attraction between the particles of a liquid • one of the different forms that an element can have • a _____ solution is a solution with a pH less than 7. • a _____ solid has no distinct shape or underlying pattern. • ...

Chemistry Vocabulary 2022-12-07

Across

# of atoms
# of molecules
0 amu
Electricity and heat passes through it
electricity and heat does not pass through it
spark or glow
bubbling,smoke,steam, or glow
not shiny
shiny
a change in size,shape,or state of matter
both metals and non-metals
can be bent or hammered

Down

a new solid is formed
positive
change is completely new substance with new proprieties
1 amu
Shatters easily
left and right on a periodic table
can be pulled into a wire
hot or cold

20 Clues: 1 amu • 0 amu • shiny • positive • not shiny • # of atoms • hot or cold • spark or glow • # of molecules • Shatters easily • a new solid is formed • can be bent or hammered • can be pulled into a wire • both metals and non-metals • bubbling,smoke,steam, or glow • left and right on a periodic table • Electricity and heat passes through it • a change in size,shape,or state of matter • ...

Chemistry Vocabulary 2022-12-07

Across

smallest component of an element
neutral charge in the nucleus
property of metals; shiny
Shows every substance/element in the universe.
a process in which substances are changed into new substances
a type of model in which you see the parts of the atom
stability of an atom, (more electrons, more stable)
elements on the far right side of the periodic table
elements that make a staircase through the periodic table

Down

matter is not created nor destroyed
negative charge furthest away from the nucleus
passes electricity
does not pass electricity
when two liquids come together to create a solid
vertical columns that catagorize the elements in the periodic table
negative charge that goes around the nucleus
elements in the middle of the periodic table
property of nonmetals; able to shatter
horizontal rows that catagorize the elements in the periodic table
positive charge in the nucleus

20 Clues: passes electricity • does not pass electricity • property of metals; shiny • neutral charge in the nucleus • positive charge in the nucleus • smallest component of an element • matter is not created nor destroyed • property of nonmetals; able to shatter • negative charge that goes around the nucleus • elements in the middle of the periodic table • ...

Chemistry Review 2022-12-10

Across

the scale of acids to bases
being able to bend without breaking
this type of change is when a different substance is made
below 7 on the pH scale
above 7 on the pH scale
group 18 on the periodic table that are not very reactive
negatively charged ion
group on the periodic table with similar properties
have no charge
bond between a metal and nonmetal
good conductor of heat
reaction when energy is released to surroundings
same element but a different number of neutrons
good insulator of heat

Down

this type of change is when its the same substance but appears different
negatively charged part of an atom
positively charged ion
the conservation of this says that matter cannot be created or destroyed
bond between two nonmetals
number of protons and neutrons in a nucleus
reaction when energy is taken in and absorbed from surroundings
a group of atoms bonded together
smallest unit of an element that maintains properties of that element
made of protons and neutrons
a substance made up of atoms of two or more different elements joined by chemical bonds
a substance made up of atoms of two or more different elements not chemically combined
positively charged part of an atom
element that has properties of metals and nonmetals
a substance that cannot be broken down into simpler substances
electrons on the outermost shell

30 Clues: have no charge • positively charged ion • negatively charged ion • good conductor of heat • good insulator of heat • below 7 on the pH scale • above 7 on the pH scale • bond between two nonmetals • the scale of acids to bases • made of protons and neutrons • a group of atoms bonded together • electrons on the outermost shell • bond between a metal and nonmetal • ...

Chemistry Matters:) 2022-12-14

Across

negatively charged subatomic particle
data collected by different teams from samples gathered at the same location
a mass-less particle of electromagnetic radiation that carries a quantum of energy
neutrally charged subatomic particle
any information gathered using any of your five senses or lab instruments
the amount of heat in a system at constant pressure
percentages that describe isotopic compositions
the curved surface at the top of the liquid in a tube
positively charged subatomic particle
a term that represents the precision of a measurement

Down

set of numbers used to describe properties of atomic orbitals and electrons in them
a homgeneous mixture of metals, or a mixture of a metal and a non-metal in which the metal is the major component
also known as the controlled variable, any factor that is kept the same during an experiment
parts of a mixture are separated based on the ability of each dissolved component to travel through materials at different speeds
when a solid transitions into a gas without going through the liquid phase
positively charged ion formed when atom loses 1 or more electrons.
number of wave cycles that are completed during unit of time
a material's ability to absorb energy before fracturing
which lab safety symbol has a beaker and an Erlenmeyer flask on it
the relative ability of a substance to undergo a chemical reaction

20 Clues: neutrally charged subatomic particle • negatively charged subatomic particle • positively charged subatomic particle • percentages that describe isotopic compositions • the amount of heat in a system at constant pressure • the curved surface at the top of the liquid in a tube • a term that represents the precision of a measurement • ...

Chemistry Vocabulary 2022-12-06

Across

The evidence of a new solid is _________
Brittle and brakes easy
Is malleable and a good conductor
The amount of electrons the second level holds
The amount of electrons the first level holds
What two directions are periods going in PT?
What two directions are columns going in the PT?
Rings of energy
Less valence means elements are ________
The evidence of a spark is _____
The evidence of difference is _____

Down

Has properties of metal and non-metals
The evidence of a change in heat is ____
What side on the PT are Metals found on?
Has a positive charge
More valence means more ______
Has no charge
The amount of electrons the third level holds
The evidence of steaming is ___
Has negative charge

Chemistry Vocabulary 2022-12-06

Across

The evidence of a new solid is _________
Brittle and brakes easy
Is malleable and a good conductor
The amount of electrons the second level holds
The amount of electrons the first level holds
What two directions are periods going in PT?
What two directions are columns going in the PT?
Rings of energy
Less valence means elements are ________
The evidence of a spark is _____
The evidence of difference is _____

Down

Has properties of metal and non-metals
The evidence of a change in heat is ____
What side on the PT are Metals found on?
Has a positive charge
More valence means more ______
Has no charge
The amount of electrons the third level holds
The evidence of steaming is ___
Has negative charge

Chemistry Vocab 2022-12-06

Across

the third energy level can hold ___ electrons
atomic mass is 4.0
atomic number is 14
right side of the periodic table
electrons arrange into rings called...
neutral charge
what do you use to weigh atoms
the stair step on the periodic table
surrounds the nucleus
the first energy level can hold ___ electrons
left side of the periodic table

Down

how much does an electron weigh
go from left to right in rows
positive charge
determine reactivity
run up and down in columns
the middle of an atom
negative charge
smallest part of an atom
how much protons and neutrons weigh

20 Clues: neutral charge • positive charge • negative charge • atomic mass is 4.0 • atomic number is 14 • determine reactivity • the middle of an atom • surrounds the nucleus • smallest part of an atom • run up and down in columns • go from left to right in rows • what do you use to weigh atoms • how much does an electron weigh • left side of the periodic table • right side of the periodic table • ...

Chemistry vocab 2022-12-08

Across

_________ move away
number above the element
shiny and glossy
_________ go toward
two energy levels 1 valence electron
elements on the right
electricity and heat passes
on the stair case
the number above the element
_____ is nor created or destroyed
up and down on a periodic table
right side of stair case

Down

number of atoms
shatters easily
groups 1,2,13,14,15,16,17
left and right on periodic table
left side of stair case
not seeable
less dense and thick
elements on the left

20 Clues: not seeable • number of atoms • shatters easily • shiny and glossy • on the stair case • _________ move away • _________ go toward • less dense and thick • elements on the left • elements on the right • left side of stair case • number above the element • right side of stair case • groups 1,2,13,14,15,16,17 • electricity and heat passes • the number above the element • ...

chemistry final 2022-12-15

Across

A liquid is a nearly incompressible fluid that conforms to the shape of its container but retains a constant volume independent of pressure.
expresses the relationship between products and reactants of a reaction at equilibrium with
when a cell divides, its DNA must pass on genetic information to both daughter cells. It must somehow be able to divide into duplicate copies.
any substance that cannot be decomposed into simpler substances by ordinary chemical processes.
is a physical separation process that separates solid matter and fluid from a mixture using a filter medium that has a complex structure through which only the fluid can pass.
any substance composed of identical molecules consisting of atoms of two or more chemical elements.
anything detected with the senses, which include sight, hearing, touch, smell, and taste
A synthetic coordination entity that closely approaches the properties of a metal ion in a protein and yields useful information concerning biological structure and function.
a positively charged ion, i.e. one that would be attracted to the cathode in electrolysis.

Down

a state of matter that maintains shape and valume
a positively charged region at the center of the atom
the smallest possible unit of something, usually energy.
A mixture contains two or more substances that are not chemically combined.
a tiny particle that comprises waves of electromagnetic radiation.
smallest unit into which matter can be divided without the release of electrically charged particles.
a negatively charged subatomic particle that together with protons and neutrons form an atom's nucleus.
a negatively charged ion, i.e. one that would be attracted to the anode in electrolysis.
each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons
the number of events per unit of time where an event is repeating at regularly spaced time intervals.
any atom or group of atoms that bears one or more positive or negative electrical charges.

20 Clues: a state of matter that maintains shape and valume • a positively charged region at the center of the atom • the smallest possible unit of something, usually energy. • a tiny particle that comprises waves of electromagnetic radiation. • A mixture contains two or more substances that are not chemically combined. • ...

Chemistry Crossword 2022-11-15

Across

This is a group of 2 or more atoms?
___ is how much space an object takes up?
A ___ is the substance the solute dissolves in?
This is the point where a liquid changes to a gas?
A ___ has no definite volume or shape?
A ___ has a definite volume but no shape?
A ___ has 2 or more substances combined and can be undone?
What change is when matter changes its form but the chemical identity doesn't?
There are 4 different types of ___ ___ ___ ?

Down

At the ___ ___ a solid changes to a liquid?
____ is the substance that dissolves?
What change is when 1 or more new substances are formed?
The 4th state of matter is called?
___ is anything that has mass or takes up space?
This is the process where atoms gain a negative or positive charge by gaining or losing electrons?
A ___ has a definite volume and shape?
___ is the amount of matter in an object?
This is the mixture of 1 or more substances and cannot be undone?
This is the smallest unit of matter?
If you divide mass by volume you get?

20 Clues: The 4th state of matter is called? • This is a group of 2 or more atoms? • This is the smallest unit of matter? • ____ is the substance that dissolves? • If you divide mass by volume you get? • A ___ has no definite volume or shape? • A ___ has a definite volume and shape? • ___ is how much space an object takes up? • ___ is the amount of matter in an object? • ...

Chemistry Crossword 2022-11-27

Across

This reactive element is the lightest solid element which is also used in batteries and mood disorder medication.
This element is found in bananas.
This element is used in the manufacture of fertilizers, but was first discovered in experiments with urine.
Different forms of the same element.
This element is known for it's high toxicity and has been used in many poisons throughout history.
A scale of temperature in which absolute zero is zero
This toxic metal is the only metal that is liquid at room temperature.
The scientific study of the properties and behavior of matter.
A term used to describe electrons with the same principal quantum number.
The number of protons in each atom.
This substance expands as it freezes.
The most abundant element in the Earth, making up most of the core.
The subatomic partical without electric charge.
A solution that resists dramatic changes in pH.
These elements have the outer shell of their atoms is full of electrons.
This element has the highest electrical conductivity of all the elements.
These reactive elements have just one electron in the outer shell of their atom.
A molecule with the same molecular formula as another molecule but a different structure.
The name of a discrete unit of light acting as a particle.
A chemical reaction that has a negative change in enthalpy.
The most common element in the atmosphere.
A solid material where the molecules fit together in a repeating pattern.
The only two non-silvery metals are gold and this metal.
This element is over one million times as radioactive as uranium, and only a few ounces of it are produced each year.
The most electronegative element.

Down

A branch of chemistry that uses computer simulation.
The sum of the number of protons and neutrons in a nucleus.
This acid is the most used chemical by the world's industry.
Students struggle to write these.
This soft dense metal is most known for its use in jewelry and currency.
A glass container with a flat bottom and a spout.
This element is often asdociated with the devil and is also known as brimstone.
How much solute is dissolved in a given amount of solvent.
A unit defined as containing exactly 6.02214076×10^23 elementary entities.
The most common element found in the universe.
This element is stored in oil as it reacts violently with water, but is also a part of most meals.
An attraction between atoms or ions that enables the formation of molecules.
An organic compound that contains an OH functional group.
This element is used as fuel in nuclear power plants.
While common accross the universe, this element is rare on earth.
This element is used in the manufacture of semiconductor chips for electronics.
A type of flask with a conical shaped body.
When a chemical substance is transformed as a result of interaction with another substance or energy.
This element makes up the majority of the human body mass at 65%.
This element is the backbone of organic chemistry.

45 Clues: This element is found in bananas. • Students struggle to write these. • The most electronegative element. • The number of protons in each atom. • Different forms of the same element. • This substance expands as it freezes. • The most common element in the atmosphere. • A type of flask with a conical shaped body. • The most common element found in the universe. • ...

Chemistry Vocabulary 2022-10-12

Across

a combination of two or more substances that do not combine chemically, but remain the same individual substance
the total number of protons in an atoms nucleus
a vertical column in the periodic table of the elements that have similar properties
a scientific law stating that during a chemical reaction, matter is not created nor destroyed
a substance made up of two or more different types of atoms bonded together
a change of one into another substance
the number before a chemical formula including how many molecules are involved in a chemical reaction
a substance that increases the rate of a chemical reaction but is not consumed by gaining or losing electrons
a substance that is evenly spread throughout. Particles not distinguishable
a solid substance that forms as a result of a chemical reaction between chemicals in two liquids

Down

a substance formed by a chemical reaction, made by the rearrangement of atoms and bonds in a reactant
a negatively charged particle located outside of an atoms nucleus about 2000 times smaller than either a proton or electron
a positively charged particle located located in the atoms nucleus
a substance that cannot be broken down into a simpler substance by ordinary chemical changes
a usually reversible change in the physical properties of a substance, as size and shape
the total number of protons and neutrons in an atoms nucleus
an atom of one element that has a different number of neutrons than another atom of the same element
a horizontal row in the periodic table of the elements that have varying points
a group of atoms that are held together by covalent bombs so that they move together
the number written slightly below and to the right of a chemical symbol that shows how many atoms are in a compound
a substance that is present at the beginning of a chemical reaction, takes part in the reaction, and is changed into a new substance
a neutral particle located in the atoms nucleus
a substance that is not uniform throughout

23 Clues: a change of one into another substance • a substance that is not uniform throughout • the total number of protons in an atoms nucleus • a neutral particle located in the atoms nucleus • the total number of protons and neutrons in an atoms nucleus • a positively charged particle located located in the atoms nucleus • ...

Sophia's Chemistry 2023-01-12

Across

using paper and a liquid to discover pigments or chemicals
Electronic arrangement 2.8.8
electronic arrangement 2.8.5
electronic arrangement 2.8.4
One type of particle, atom or molecule
breaks easily when under stress
liquid that things are dissolved in
electronic arrangement 2.8.2
high melting point
can be made into long, thin wires
a shiny metal

Down

makes a ringing sound when struck
electronic arrangement 2.8
electronic arrangement 2.6
dissolves into a liquid
An atom/group of atoms with an electrical charge
the mix of a solvent and solute
electronic arrangement 2.8.3
Electronic arrangement 2.8.8.2
something that can be hammered into shape
electronic arrangement 2.2
have a low melting point
electronic arrangement 2.8.1

23 Clues: a shiny metal • high melting point • dissolves into a liquid • have a low melting point • electronic arrangement 2.8 • electronic arrangement 2.6 • electronic arrangement 2.2 • Electronic arrangement 2.8.8 • electronic arrangement 2.8.5 • electronic arrangement 2.8.3 • electronic arrangement 2.8.4 • electronic arrangement 2.8.2 • electronic arrangement 2.8.1 • ...

Chemistry Crossword 2020-05-31

Across

- a subatomic particle, with a negative electric charge
– is one of the most important part of Physical chemistry
– discovered the Polonium and Radium
- the natural science that studies matter, its motion and behavior through space and time, and the related entities of energy and force.
– it alters the composition of the original matter
- A state of matter that have an indefinite shape and indefinite volume.
- 2 or more substances compound physically in variable proponents.
- a branch of chemistry that deals with the study of chemical processes that occur inside of living organisms.
- significant rule non-zero digits are always
- is the change of the physical state of matter from the gas phase into the liquid phase
- the ability of a chemical to burn or ignite, causing fire combustion.
– a compound that lacks carbon-hydrogen bond
- the smallest constituent unit of ordinary matter that constitutes a chemical element.
– is the science of obtaining, processing, and communicating information about the composition and structure of matter.
- a property that describes a substances ability to participate in chemical reaction.
- is known as the originator of the quantum theory of energy.
– a compound that contains carbon-hydrogen bond
- is the phase transition in which gas transforms into solid without passing through the liquid phase
- 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
- a organized chart of all the elements.
- is any process which requires or absorbs energy from its surroundings, usually in the form of heat
- a subatomic particle, with a positive electric charge.
– the one who developed the periodic table
- who put the pieces of the puzzle together and developed an atomic theory in 1803
- uniterm in composition.
- is the study of matter, its properties, how and why substances combine or separate to form other substances, and how substances interact with energy.
- a negatively charged ion

Down

- a membrane-bound organelle that contains genetic material (DNA) of eukaryotic organisms.
- chemical element is the number of protons found in the nucleus of every atom of that element
- type of matter and the way matter is arranged.
- the process or effect of simplifying a single chemical entity into two or more fragments
- is a form of matter in which many of the electrons wander around freely among the nuclei of the atoms.
- accompanied by or requiring the absorption of heat.
- it has indefinite shape and a definite volume, takes shape of a container.
- a chemical reaction that releases energy.
- is a type of vaporization that occurs on the surface of a liquid as it changes into the gas phase.
- is the transition of a substance directly from the solid to the gas state, without passing through the liquid state
– is the separation of a mixture by passing it in solution or suspension or as a vapor (as in gas chromatography) through a medium in which the components move at different rates.
- composed of 2 or more atom.
- the process of separating the components or substances from a liquid mixture by using selective boiling and condensation.
– an expert in chemistry
- the mass of an atom of a chemical element expressed in atomic mass units.
- is a phase transition in which a liquid turns into a solid when its temperature is lowered to or below its freezing point
- it has a definite shape and a definite volume.
- a positively charged ion
- is an atom or molecule that has a net electrical charge
- is an experimental gas law relating the volume of a gas to the amount of substance of gas present.
- Any substance that has mass and takes up space.
- is the conversion of one chemical element or isotope into another.
- a type of chemical bonding that involves the electrostatic attraction between oppositely charged ions

50 Clues: – an expert in chemistry • - uniterm in composition. • - a positively charged ion • - a negatively charged ion • - composed of 2 or more atom. • – discovered the Polonium and Radium • - a organized chart of all the elements. • – the one who developed the periodic table • - a chemical reaction that releases energy. • – a compound that lacks carbon-hydrogen bond • ...

chemistry crosswords 2020-05-31

Across

, ability of solute to dissolve
, anything that occupies space and has no mass
, he was the first person who described Tyndall Effect
, his belief that a substance was an element unless it could be broken down to two or more simpler substances.
, he developed the modern atomic theory
, the outside part of an atom around the atomic nucleus
, flow and take the shape of their container
, his belief that all matter was composed of four basic elements
, he discovered Oxygen
, also called as solution
, matter that has definite composition and distinct
, it is a phase change of matter the results in the production of a solid
, he discovered nucleus
, Resistance to flow
, particles move quickly and can fill up the container of any shape and sizes
, basic unit of life
, he developed the planetary model of an atom
, elements react with each other to form compound
, combination of proton and neutron
, he's great contribution are Hg, Sb and S
, he added the idea of "qualities"
, he suggested that ever substance had its own kind of "seeds" that clustered together to make the substance much as our atom cluster to make molucules
, smallest unit of matter
, a mixture whose composition varies from one position to another within the sample
, ability to scatter a beam of light that passes through it.
, a reaction in which two molecules combine to form a larger molecule producing a small molecule
, first person who used the word atomos

Down

, it contains space or minutes holes
, the electrons in the Last electron shell
, converting certain element into another
, positive particle found in the Nucleus of the atom
, simplest form of matter since it composed of only one kind of atom
, the most stable state of an atom, electrons are “at rest”
, refers to the phase of chance from gas to solid
, composed of two or more substance combined physically in variable proportions
, greek for uncuttable
, study of properties, composition and structure of a matter
, the transition of a substance directly from the solid to the gas state without passing through the liquid state.
, consists of a course particle which are visible to naked eye
, changing of state of matter into a new different kind
, he discovered electron
, consist of a dispersed phase or the substance that is dissolved or scattered and a dispersing medium or the substance in which the dispersed phase is spread
, the loosing and gaining of electron
, neutral particles also found in the middle of the atom
, cannot be compressed and cannot more freely
, he said “Eventually you arrive at small particles which cannot be further subdivided.”
, this exchange of molecule between the surface of the solid and liquid is kind of adhesive or gluing effect
, Ability of molecules to stick together
, negatively charged particles found orbiting the protons and neutrons
, the number of protons in the nucleus of an atom which determines the chemical properties of an element and its place in the periodic table.
, the mass of an atom of a chemical element expressed in atomic mass units
, the process of turning from liquid into vapor.

52 Clues: , he discovered nucleus • , he discovered electron • , Resistance to flow • , he discovered Oxygen • , also called as solution • , greek for uncuttable • , basic unit of life • , smallest unit of matter • , ability of solute to dissolve • , he developed the modern atomic theory • , he added the idea of "qualities" • ...

GENERAL CHEMISTRY 2020-06-01

Across

a mixture whose composition varies from one sample to another
is one of the physical science that helps us explain the world
is the simplest form of matter
unit of temperature
is the quantity of the matter in an object
unit of electrical current
if the substance is stable or not
if it breaks into charged particles or not
can be separated into simpler substances
is relatively uniform in composition
are those that can be measured
unit of amount of substance
unit of luminous intensity
the study of carbon and its compounds
with the numerical value of 0.001
this branch applies physics to the study
consists of dispersed particles
is a method used to separate pure substances in mixtures
is the ratio of the mass of an object to the volume it occupies
does not depend on size or amount of sample
the study of chemical process that occur inside a living organism
unit of mass
the study of the chemistry of matter'
is the consistency of the result
to determine if a certain value is close to the "true" value
can be affected by the amount of samples

Down

is anything that has mass and occupies space
with the numerical value of 0.01
is a technique used to separate homogeneous mixture
consists of coarse particles
unit of length
is the separation of a mixture by passing it in a solution
unit of time
are composed of two or more substances
with the numerical value of 1000
whether the substance undergoes combustion or not
with the numerical value of 1000000000
particles are close but are not held so rigidly
is the ability of the substance to react to other substances
is one effective method to separate mixtures comprised with two or more liquids
whether it reacts or not
their particles are closed together
if the substance is toxic or not
with the numerical value of 1000000000000
tells how hot or cold an object is
the study of compound not covered by organic chemistry
is the amount of space occupied in the object
with the numerical value of 1000000
with the numerical value of 0.1
their particles are far from each other

50 Clues: unit of time • unit of mass • unit of length • unit of temperature • whether it reacts or not • unit of electrical current • unit of luminous intensity • unit of amount of substance • consists of coarse particles • is the simplest form of matter • are those that can be measured • consists of dispersed particles • with the numerical value of 0.1 • with the numerical value of 0.01 • ...

GENERAL CHEMISTRY 2020-06-01

Across

is the separation of a mixture by passing it in a solution
unit of time
their particles are far from each other
whether it reacts or not
with the numerical value of 1000000000
unit of mass
is the quantity of the matter in an object
is the ability of the substance to react to other substances
is relatively uniform in composition
is a method used to separate pure substances in mixtures
if it breaks into charged particles or not
is one of the physical science that helps us explain the world
with the numerical value of 1000000
is the simplest form of matter
unit of amount of substance
with the numerical value of 0.001
whether the substance undergoes combustion or not
can be affected by the amount of samples
the study of carbon and its compounds
is anything that has mass and occupies space
unit of length
to determine if a certain value is close to the "true" value
tells how hot or cold an object is
is the amount of space occupied in the object

Down

the study of compound not covered by organic chemistry
the study of the chemistry of matter'
their particles are closed together
consists of coarse particles
if the substance is stable or not
is a technique used to separate homogeneous mixture
with the numerical value of 1000000000000
with the numerical value of 1000
the study of chemical process that occur inside a living organism
is the consistency of the result
can be separated into simpler substances
are those that can be measured
is one effective method to separate mixtures comprised with two or more liquids
with the numerical value of 0.1
does not depend on size or amount of sample
is the ratio of the mass of an object to the volume it occupies
particles are close but are not held so rigidly
unit of luminous intensity
unit of electrical current
if the substance is toxic or not
unit of temperature
this branch applies physics to the study
with the numerical value of 0.01
a mixture whose composition varies from one sample to another
are composed of two or more substances
consists of dispersed particles

50 Clues: unit of time • unit of mass • unit of length • unit of temperature • whether it reacts or not • unit of luminous intensity • unit of electrical current • unit of amount of substance • consists of coarse particles • are those that can be measured • is the simplest form of matter • with the numerical value of 0.1 • consists of dispersed particles • with the numerical value of 1000 • ...

Chemistry Crossword 2020-06-05

Across

" " Change, occurs when the internal make-up of matter stays the same.
macroscopic, and particulate phenomena in chemical systems
amount of space occupied by a substance
study of the structure, properties, composition, reactions and preparation of carbon-containing compounds
simplest form of matter
Physical " "
liquid to gas
SI basic unit of temperature
science of obtaining, processing, and communicating information about the composition and structure of matter
another word for freezing
separating the components of a suspension
composed of two or more substances
exhibits the Tyndall Effect
the liquid that passes through the strainer
anything that has mass and occupies space
" " Analysis
another word for "Extensive" Property
branch of science that explores the chemical processes within and related to living organisms
separating a homogenous mixture composed of two substances
gas to solid
takes shape of the container, not definite
concerned with the properties and behavior of inorganic compounds, which include metals, minerals, and organometallic compounds
composition varies from one position to another
old term of melting, solid to liquid

Down

the study of matter
mixture, uniform in composition
used in Magnetic Separation
the liquid poured into another container during decantation
a mixture is poured into a centrifuge apparatus
" " Property, ability of a substance to react with other substances
quantity of matter in the object
solid particles are allowed to settle at the bottom
definite shape and volume
consists of coarse particles that are visible to the naked eye.
separation is dependent upon the solubility of each component in the solvent
" " Figures
another word for "Intrinsic" Property
liquid to solid
consistency of a result
tells how hot or cold an object is
ratio of the mass of an object to the volume it occupies
solid to liquid
" " Notation
determined when a certain quantitative value is relatively close to the "true" value
takes shape of the container, definite
solid to gas
Chemical " "
the substance which remains in the strainer
formed from reaction of elements
gas to liquid

50 Clues: solid to gas • gas to solid • liquid to gas • gas to liquid • " " Figures • liquid to solid • solid to liquid • Physical " " • " " Analysis • " " Notation • Chemical " " • the study of matter • simplest form of matter • consistency of a result • definite shape and volume • another word for freezing • used in Magnetic Separation • exhibits the Tyndall Effect • ...

Chemistry Crossword 2020-06-05

Across

separation is dependent upon the solubility of each component in the solvent
used in Magnetic Separation
the study of matter
composition varies from one position to another
solid to liquid
mixture, uniform in composition
takes shape of the container, definite
consistency of a result
separating the components of a suspension
another word for "Intrinsic" Property
determined when a certain quantitative value is relatively close to the "true" value
solid particles are allowed to settle at the bottom
branch of science that explores the chemical processes within and related to living organisms
" " Analysis
the liquid that passes through the strainer
macroscopic, and particulate phenomena in chemical systems
Physical " "
old term of melting, solid to liquid
formed from reaction of elements
" " Change, occurs when the internal make-up of matter stays the same.
definite shape and volume
liquid to solid
gas to liquid

Down

" " Figures
solid to gas
gas to solid
composed of two or more substances
study of the structure, properties, composition, reactions and preparation of carbon-containing compounds
SI basic unit of temperature
separating a homogenous mixture composed of two substances
a mixture is poured into a centrifuge apparatus
the substance which remains in the strainer
concerned with the properties and behavior of inorganic compounds, which include metals, minerals, and organometallic compounds
tells how hot or cold an object is
simplest form of matter
ratio of the mass of an object to the volume it occupies
exhibits the Tyndall Effect
quantity of matter in the object
Chemical " "
another word for freezing
anything that has mass and occupies space
takes shape of the container, not definite
the liquid poured into another container during decantation
another word for "Extensive" Property
science of obtaining, processing, and communicating information about the composition and structure of matter
" " Notation
consists of coarse particles that are visible to the naked eye.
liquid to gas
amount of space occupied by a substance
" " Property, ability of a substance to react with other substances

50 Clues: solid to gas • gas to solid • liquid to gas • gas to liquid • " " Figures • solid to liquid • liquid to solid • Chemical " " • " " Notation • " " Analysis • Physical " " • the study of matter • simplest form of matter • consistency of a result • another word for freezing • definite shape and volume • used in Magnetic Separation • exhibits the Tyndall Effect • ...

General Chemistry 2020-06-05

Across

It tells how close a measured value is to the “true” value.
____s between nonzero digits are significant.
It is a process of separating the components of a suspension. An example of a mixture that can be separated through this is sand and water solution.
It exhibits the Tyndall Effect. It consist of dispersed phase or the substance that is dissolved or scattered.
It is used to quantify the electric current with the “A” symbol.
This type of change occurs when a substance is converted into a new substance.
A type of chemical property: whether it reacts with acids, bases, and oxygen, gas, or not.
It is denoted by the symbol “c” in the SI that is in the hundredth numerical value.
These are composed of two or more substances combined physically in variable proportions.
_____ chemistry is a branch of chemistry that studies the structure, properties and reactions of organic compounds, which contain carbon in covalent bonding.
In addition and ______, the answer must have the same number of decimal places as the measured number with the least number of decimal places.
It is used to quantify the mass with the “kg” symbol.
A type of chemical property: whether it will break into charged particles when in solution with water or not.
It is a mixture that is also called as solution since it is relatively uniform in composition.
It is denoted by the symbol “p” in the SI that is in the trillionth numerical value.
This type of change occurs when the internal make-up of the matter stays the same even after the change.
Extensive physical property is also called as _____ property.
It is generally used by farmers to separate grains from stalks after harvesting.
It is the process of separating elemental metals from other particles in a mixture.
It is denoted by the symbol “T” in the SI that is in the trillionth numerical value
A type of chemical property: whether the substance can damage an organism or not.
It is denoted by the symbol “d” in the SI that is in the tenth numerical value.
It is used to quantify the length with the “m” symbol.
It is denoted by the symbol “m” in International System of Units in the thousandth numerical value.
____ figures are the digits in any measurement that are known with certainty, plus one digit which is uncertain.

Down

In _____ and division, the answer must have the same number of significant figures as the measured number with the lowest number of significant figures.
It occurs when gas turns into solid.
It is the state of matter when particles are neither too close nor too far from each other.
It is the process of converting liquid to gas.
_____ chemistry is the study of macroscopic, and particulate phenomena in chemical systems in terms of the principles and concepts of physics such as motion, energy, force, and time.
It is the state of matter when particles are very close to each other.
It is a mixture whose composition varies from one position to another within the sample.
Hand ____ is the simplest method in separating mixtures.
It is denoted by the symbol “G” in the SI that is in the billionth numerical value.
It refers to how the values agree closely with one another.
A type of chemical property: whether the substance can be easily decomposed or not.
A type of chemical property: whether the substance undergoes combustion or not.
It is the simplest form of matter since it is composed of only one kind of atom.
This physical property is also called as intrinsic property that does not depend on the size or amount of the sample.
It is the smallest particle of an element.
It is the state of matter when particles are far apart from each other.
It is used to quantify the time with the “s” symbol.
It is denoted by the symbol “M” in the SI that is in the millionth numerical value.
It is a simple technique for separating dry mixtures.
It occurs when solid turns into gas by the addition of heat.
It is the study of matter, its properties, how and why substances combine or separate to form other substances, and how substances interact with energy.
It is anything that has mass and occupies space.
_____ notation is used in counting the number of significant figures.
It is used to quantify the temperature with the “K” symbol.
It is the process of determining the extent of the dimensions, quantity, or extent of something.

50 Clues: It occurs when gas turns into solid. • It is the smallest particle of an element. • ____s between nonzero digits are significant. • It is the process of converting liquid to gas. • It is anything that has mass and occupies space. • It is used to quantify the time with the “s” symbol. • It is used to quantify the mass with the “kg” symbol. • ...

General Chemistry 2020-06-05

Across

These are composed of two or more substances combined physically in variable proportions.
It is used to quantify the mass with the “kg” symbol.
It is denoted by the symbol “M” in the SI that is in the millionth numerical value.
____s between nonzero digits are significant.
This type of change occurs when a substance is converted into a new substance.
A type of chemical property: whether the substance can damage an organism or not.
It is denoted by the symbol “c” in the SI that is in the hundredth numerical value.
A type of chemical property: whether it will break into charged particles when in solution with water or not.
It is a mixture that is also called as solution since it is relatively uniform in composition.
It is the state of matter when particles are far apart from each other.
It is the state of matter when particles are neither too close nor too far from each other.
_____ chemistry is the study of macroscopic, and particulate phenomena in chemical systems in terms of the principles and concepts of physics such as motion, energy, force, and time.
It is denoted by the symbol “T” in the SI that is in the trillionth numerical value
Hand ____ is the simplest method in separating mixtures.
It is used to quantify the electric current with the “A” symbol.
A type of chemical property: whether the substance can be easily decomposed or not.
It is a mixture whose composition varies from one position to another within the sample.
In addition and ______, the answer must have the same number of decimal places as the measured number with the least number of decimal places.
It is denoted by the symbol “G” in the SI that is in the billionth numerical value.
It is denoted by the symbol “p” in the SI that is in the trillionth numerical value.
A type of chemical property: whether it reacts with acids, bases, and oxygen, gas, or not.
It is used to quantify the temperature with the “K” symbol.
In _____ and division, the answer must have the same number of significant figures as the measured number with the lowest number of significant figures.
It refers to how the values agree closely with one another.
A type of chemical property: whether the substance undergoes combustion or not.
This type of change occurs when the internal make-up of the matter stays the same even after the change.
It is a process of separating the components of a suspension. An example of a mixture that can be separated through this is sand and water solution.

Down

It occurs when gas turns into solid.
It tells how close a measured value is to the “true” value.
It is denoted by the symbol “d” in the SI that is in the tenth numerical value.
Extensive physical property is also called as _____ property.
It is the smallest particle of an element.
_____ notation is used in counting the number of significant figures.
It is a simple technique for separating dry mixtures.
It is the study of matter, its properties, how and why substances combine or separate to form other substances, and how substances interact with energy.
This physical property is also called as intrinsic property that does not depend on the size or amount of the sample.
_____ chemistry is a branch of chemistry that studies the structure, properties and reactions of organic compounds, which contain carbon in covalent bonding.
It is the process of converting liquid to gas.
It is the state of matter when particles are very close to each other.
It is generally used by farmers to separate grains from stalks after harvesting.
It occurs when solid turns into gas by the addition of heat.
It is denoted by the symbol “m” in International System of Units in the thousandth numerical value.
It is the process of determining the extent of the dimensions, quantity, or extent of something.
It is anything that has mass and occupies space.
It is used to quantify the time with the “s” symbol.
It exhibits the Tyndall Effect. It consist of dispersed phase or the substance that is dissolved or scattered.
It is used to quantify the length with the “m” symbol.
It is the simplest form of matter since it is composed of only one kind of atom.
____ figures are the digits in any measurement that are known with certainty, plus one digit which is uncertain.
It is the process of separating elemental metals from other particles in a mixture.

General Chemistry 2020-06-05

Across

_____ chemistry is a branch of chemistry that studies the structure, properties and reactions of organic compounds, which contain carbon in covalent bonding.
It is denoted by the symbol “p” in the SI that is in the trillionth numerical value.
A type of chemical property: whether the substance undergoes combustion or not.
It is a simple technique for separating dry mixtures.
This type of change occurs when the internal make-up of the matter stays the same even after the change.
In _____ and division, the answer must have the same number of significant figures as the measured number with the lowest number of significant figures.
These are composed of two or more substances combined physically in variable proportions.
_____ notation is used in counting the number of significant figures.
It is the process of determining the extent of the dimensions, quantity, or extent of something.
It is denoted by the symbol “c” in the SI that is in the hundredth numerical value.
It is denoted by the symbol “T” in the SI that is in the trillionth numerical value
It is used to quantify the electric current with the “A” symbol.
It tells how close a measured value is to the “true” value.
It is a mixture whose composition varies from one position to another within the sample.
It is the smallest particle of an element.
It is used to quantify the temperature with the “K” symbol.
It is the state of matter when particles are neither too close nor too far from each other.
_____ chemistry is the study of macroscopic, and particulate phenomena in chemical systems in terms of the principles and concepts of physics such as motion, energy, force, and time.
It exhibits the Tyndall Effect. It consist of dispersed phase or the substance that is dissolved or scattered.
It is denoted by the symbol “m” in International System of Units in the thousandth numerical value.
It is denoted by the symbol “d” in the SI that is in the tenth numerical value.
In addition and ______, the answer must have the same number of decimal places as the measured number with the least number of decimal places.
A type of chemical property: whether the substance can damage an organism or not.
____s between nonzero digits are significant.
Hand ____ is the simplest method in separating mixtures.

Down

A type of chemical property: whether it reacts with acids, bases, and oxygen, gas, or not.
A type of chemical property: whether the substance can be easily decomposed or not.
It is the process of separating elemental metals from other particles in a mixture.
It refers to how the values agree closely with one another.
It is used to quantify the mass with the “kg” symbol.
This physical property is also called as intrinsic property that does not depend on the size or amount of the sample.
Extensive physical property is also called as _____ property.
____ figures are the digits in any measurement that are known with certainty, plus one digit which is uncertain.
It is a mixture that is also called as solution since it is relatively uniform in composition.
It is a process of separating the components of a suspension. An example of a mixture that can be separated through this is sand and water solution.
This type of change occurs when a substance is converted into a new substance.
It is the simplest form of matter since it is composed of only one kind of atom.
It is used to quantify the length with the “m” symbol.
It is denoted by the symbol “G” in the SI that is in the billionth numerical value.
It is the state of matter when particles are far apart from each other.
It occurs when gas turns into solid.
It is used to quantify the time with the “s” symbol.
It is the state of matter when particles are very close to each other.
It is the process of converting liquid to gas.
It occurs when solid turns into gas by the addition of heat.
It is the study of matter, its properties, how and why substances combine or separate to form other substances, and how substances interact with energy.
A type of chemical property: whether it will break into charged particles when in solution with water or not.
It is denoted by the symbol “M” in the SI that is in the millionth numerical value.
It is anything that has mass and occupies space.
It is generally used by farmers to separate grains from stalks after harvesting.

General Chemistry 2020-06-05

Across

This type of change occurs when the internal make-up of the matter stays the same even after the change.
It is the study of matter, its properties, how and why substances combine or separate to form other substances, and how substances interact with energy.
It is anything that has mass and occupies space.
A type of chemical property: whether the substance can be easily decomposed or not.
It is the smallest particle of an element.
It is used to quantify the length with the “m” symbol.
It is denoted by the symbol “p” in the SI that is in the trillionth numerical value.
It occurs when solid turns into gas by the addition of heat.
It is denoted by the symbol “T” in the SI that is in the trillionth numerical value
It is a mixture whose composition varies from one position to another within the sample.
_____ chemistry is the study of macroscopic, and particulate phenomena in chemical systems in terms of the principles and concepts of physics such as motion, energy, force, and time.
Hand ____ is the simplest method in separating mixtures.
It is a simple technique for separating dry mixtures.
It is the process of determining the extent of the dimensions, quantity, or extent of something.
It is the simplest form of matter since it is composed of only one kind of atom.
It is denoted by the symbol “M” in the SI that is in the millionth numerical value.
Extensive physical property is also called as _____ property.
A type of chemical property: whether the substance undergoes combustion or not.
A type of chemical property: whether it reacts with acids, bases, and oxygen, gas, or not.
In _____ and division, the answer must have the same number of significant figures as the measured number with the lowest number of significant figures.
It occurs when gas turns into solid.
_____ notation is used in counting the number of significant figures.
_____ chemistry is a branch of chemistry that studies the structure, properties and reactions of organic compounds, which contain carbon in covalent bonding.
It is used to quantify the time with the “s” symbol.
These are composed of two or more substances combined physically in variable proportions.

Down

It is a mixture that is also called as solution since it is relatively uniform in composition.
In addition and ______, the answer must have the same number of decimal places as the measured number with the least number of decimal places.
It is the process of converting liquid to gas.
It tells how close a measured value is to the “true” value.
It is denoted by the symbol “m” in International System of Units in the thousandth numerical value.
It is used to quantify the electric current with the “A” symbol.
It is the state of matter when particles are neither too close nor too far from each other.
It is a process of separating the components of a suspension. An example of a mixture that can be separated through this is sand and water solution.
It is the state of matter when particles are far apart from each other.
It is used to quantify the mass with the “kg” symbol.
It is generally used by farmers to separate grains from stalks after harvesting.
It is the state of matter when particles are very close to each other.
It is the process of separating elemental metals from other particles in a mixture.
It is denoted by the symbol “G” in the SI that is in the billionth numerical value.
It is denoted by the symbol “c” in the SI that is in the hundredth numerical value.
It is used to quantify the temperature with the “K” symbol.
A type of chemical property: whether the substance can damage an organism or not.
It exhibits the Tyndall Effect. It consist of dispersed phase or the substance that is dissolved or scattered.
____ figures are the digits in any measurement that are known with certainty, plus one digit which is uncertain.
This type of change occurs when a substance is converted into a new substance.
It refers to how the values agree closely with one another.
A type of chemical property: whether it will break into charged particles when in solution with water or not.
This physical property is also called as intrinsic property that does not depend on the size or amount of the sample.
It is denoted by the symbol “d” in the SI that is in the tenth numerical value.
____s between nonzero digits are significant.

ORGANIC CHEMISTRY 2020-06-08

Across

Form of Isomerism: Differing in spacial arrangement
Reagent: Test for presence of carbonyl compounds (no comma or dash)
Colour of ppt of a positive iodoform test
Condition: for Free Redical Substitution
Product: white solid formed from side-chain oxidation
Reaction: occurs with addition of oxygen
Reaction: H2(g), Ni Catalyst, heat or Pt/Pd catalyst
Reaction: NaOH(aq), heat
Reaction: Sn2 or Sn1 mechanism
Reagent: Reduction of amides to form amines (chemical formula)
Reaction: hot acidified KMNO4(aq)

Down

1. Halogenation 2. Alkylation 3. Nitration
Reagent: Condensation to form esters with alcohol but without catalyst
Organic compound: formation of (answer) using ethanolic KCN, heat
Reagent: heat with (answer) to form convert c.acid to acyl chlorides or nu. subt to form halogenoalkane from alcohols (chemical formula)
Reaction: excess conc H2SO4, heat (of alcohol)
Reagent: used to identify aldehydes (no apostrophe)
Reaction: H2SO4(aq), heat
Reagent: Test for alkenes
the weaker oxidising agent between the two OAs
Organic compound: warm at 30c with conc HNO3 and conc H2SO4
Reagent: used to identify aliphatic aldehydes (no apostrophe)
Organic compound: NaCO3 & NaHCO3 used to test for its presence
Structure: Overlapping of (answer) in benzene/ dumbbell-shaped
Reagent: Test for the presence of phenol(Chemical formula)

25 Clues: Reaction: NaOH(aq), heat • Reaction: H2SO4(aq), heat • Reagent: Test for alkenes • Reaction: Sn2 or Sn1 mechanism • Reaction: hot acidified KMNO4(aq) • Condition: for Free Redical Substitution • Reaction: occurs with addition of oxygen • Colour of ppt of a positive iodoform test • 1. Halogenation 2. Alkylation 3. Nitration • Reaction: excess conc H2SO4, heat (of alcohol) • ...

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