chemistry Crossword Puzzles

Organic Chemistry 2024-07-11

Across

Four carbon atoms make up this alcohol. What's its name?
This alcohol has three carbon atoms. Can you name it?
What's the fuel inside a lighter?
An alkane with six carbon atoms is called...?
Seven carbon atoms make up this alkane. What's its name?
Which alcohol is found in alcoholic beverages?
This eight-carbon alkane is found in gasoline. What is it?
What's the simplest hydrocarbon, often found in natural gas?
What do we call a large molecule made of repeating units?
acid What type of organic compound has a -COOH group?
This type of molecule contains a carbon-carbon double bond
What's another name for the molecule C2H4?
This three-carbon alkene is used to make plastic. What is it?
What forms when an alcohol reacts with a carboxylic acid?

Down

What do we call compounds made only of carbon and hydrogen?
This alkane has how many carbon atoms?
What's the simplest alcohol?
What organic compound has a -CHO group?
Which gas is commonly used in camping stoves?
This organic compound contains a C=O group not at the end of a chain
Can you name the organic compound with a triple bond?
The small molecules that join to form polymers are called...?
An alkene with four carbon atoms is called...?
What type of organic compound has only single bonds?
This two-carbon alkane is used in gas barbecues

25 Clues: What's the simplest alcohol? • What's the fuel inside a lighter? • This alkane has how many carbon atoms? • What organic compound has a -CHO group? • What's another name for the molecule C2H4? • An alkane with six carbon atoms is called...? • Which gas is commonly used in camping stoves? • Which alcohol is found in alcoholic beverages? • ...

Chemistry terms 2024-07-16

Across

Reaction - A process that involves rearrangement of the molecular or ionic structure of a substance.
Bond - A chemical bond that involves the sharing of electron pairs between atoms.
- Elements that are poor conductors of heat and electricity.
- A substance that reduces the hydrogen ion concentration in a solution.
- A group of atoms bonded together.
- Atoms of the same element with different numbers of neutrons.
- A substance formed from two or more elements chemically united in fixed proportions.
Bond - A chemical bond formed between two ions with opposite charges.

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- Elements that are good conductors of heat and electricity.
- A subatomic particle with a negative charge.
Electrons - The electrons in the outer shell of an atom that are involved in forming bonds.
- A scale used to specify the acidity or basicity of an aqueous solution.
- An atom or molecule with a net electric charge due to the loss or gain of one or more electrons.
- The basic unit of a chemical element.
- A subatomic particle with a positive charge found in the nucleus of an atom.
- Elements with properties intermediate between metals and nonmetals.
Table - A table of the chemical elements arranged in order of atomic number.
- A subatomic particle with no charge found in the nucleus of an atom.
- A substance that increases the hydrogen ion concentration in a solution.
- A substance that cannot be broken down into simpler substances.

20 Clues: - A group of atoms bonded together. • - The basic unit of a chemical element. • - A subatomic particle with a negative charge. • - Elements that are good conductors of heat and electricity. • - Elements that are poor conductors of heat and electricity. • - Atoms of the same element with different numbers of neutrons. • ...

Basic Chemistry 2024-09-11

Across

All matter is composed of? page 25
Which type of mixture has tiny particles? page 29
Substances that increase the rate of chemical reaction without themselves becoming chemically changed? page 38
When bonds are broken in larger molecules, resulting in smaller, less complex molecules is which type of chemical reaction? page 36
What energy is the results form from the movement of charged particle? page 24
What is the other name for exchange reaction? page 36
Two or more atoms held together by chemical bond is called? page 28
What energy is energy in action? page 24
Both protons and neutrons have the same? page 25
What bear a positive electrical charge? page 25
What energy travels in waves? page 24
Part of calcium phosphate salt in bones and teeth. Also present in nucleic acids and part of ATP. page 26
Which element is a component of proteins and nucleic acids (genetic material)? page 26
Salt and water is an example of which type of mixture? page 29
What kind of bonds form between water molecules? page 35
We designate each element by one or two letter chemical shorthand called? page 25
Present in bone. Also an important cofactor in a number of metabolic reactions, what am i? page 26
the more modern model of atomic structure is called? page 26
When four hydrogen atoms combine with one carbon atom to form what compound? page 28
Substances composed of two or more components physically intermixed is called? page 29
What type of mixture often appear translucent or milky? page 29
Which element has the atomic symbol Ca? page 25

Down

An atom has a central ___ containing protons and neutrons tightly bound together. page 25
Which model of the atomic structure is the simplified model? page 26
The heavier isotopes of many elements are unstable and their atomic decompose spontaneously into more stable form. Isotopes that exhibit this behavior are called? page 28
What bear a negative electrical charge? page 25
A component of proteins, particularly muscle proteins what am i ? page 26
Which element has the atomic symbol O? page 25
Which element is a component of all organic molecules and influences the pH of body fluid? page 26
when two or more different kinds of atoms bind, they form molecules of a? page 28
An element necessary for conduction of nerve impulses and muscle contraction. page 26
The word atom comes from the ____ word. page 25
When smaller participles are bonded together to form larger, more complex molecules this reaction is? page 36
Which bond is form when electrons are transferred from one atom to another? page 32
Which element has 3 protons,4 neutrons and 3 electrons? page 27
An average of the relative weight of all isotopes of an element, taking into account their relative abundance in nature is? page 28
Each element is composed of more or less identical particles or building block called? page 25
What energy is stored energy? page 24
What energy is directly involved in moving matter? page 24
What have the same number of protons but differ in the number of neutrons they contain? page 27
It is important for water balance, conduction of nerve impulses and muscle contraction page 26
Which bond is form when electrons are shared? page 32
Which energy is stored in the bonds of chemical substance? page 24
Anything that occupies space and has mass. page 24
What is define as the capacity to do work or put matter into motion? page 24
it is important to understand that reach electron shell represents a different ____. page 31
When two hydrogen atoms combine with one oxygen atom to form what compound? page 28
What element is needed to make functional thyroid hormones? page 26
Which element has the atomic symbol C? page 25
What element has 26 proton and 26 electron? page 25

50 Clues: All matter is composed of? page 25 • What energy is stored energy? page 24 • What energy travels in waves? page 24 • What energy is energy in action? page 24 • Which element has the atomic symbol O? page 25 • Which element has the atomic symbol C? page 25 • What bear a negative electrical charge? page 25 • The word atom comes from the ____ word. page 25 • ...

Basic Chemistry 2024-09-11

Across

important for all biochemical reactions in the body (pg.51)
anything that occupies space and take up mass (pg.24)
bonds This happen when electrons are completely transferred from one atom to another (pg.39)
an ion with a positive charge (pg. 29)
These acids are fundamental, they make up your genes, which provide the basic blueprint of life ( pg. 52)
When polymers must be broken down or digested to their monomers, the reverse process, is called ( pg. 42)
Acid- base balance is carefully regulated by the kidneys, lungs, and a number of chemicals called ( pg. 42)
These are simple sugars and are single- chain (pg. 42)
This type of energy is inactive or stored ( pg.25
This is a process of spontaneous atomic decay ( pg. 30)
This happen when two or more atoms combine chemically and is called ( pg.31)
An ion with a negative charge (pg. 29)
Bonds This bond forms when two non- metals share a pair of electrons. The electrons involved are in the outer shells of the atoms ( pg.33)
has no mass and does not take up space (pg.25)
reaction Bonds are both made and broken ( pg. 37 )
sites These sites fit and interact chemically with other molecules of complementary shape and charge called substrate ( pg. 51)
The negatively charge subatomic particle (pg. 26)
This occurs when smaller particles are bonded together to form larger, more complex molecules ( pg. 37)
are chainlike molecules made up of many similar or repeating units(monomers) (pg.42)
This is the smallest atom, with just one proton and one electron (pg. 28)
table This is an odd- shaped checkerboard that has the complete listing of the elements (pg. 26)
These are subatomic with a positive electrical charge ( pg 26)
It is the basic building block of chemistry. It is the smallest unit into which matter can be divided without the release of electrically charged particles ( pg 26)
This is a liquid or gas in which smaller number of other substances, called salutes, that can be dissolved or suspended (pg. 39)

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These are double sugars and are formed by two simple sugars that are joined by dehydration synthesis ( pg. 44)
This is a neutral subatomic particle that are uncharged(pg.26)
When they gain or lose electrons during bonding, their positive and negative charges are no longer balanced, and these charged particles are called ( pg. 32)
model This depicted the general location of electrons outside the nucleus ( pg. 28
These include sugars and starches, contain carbon, hydrogen, and oxygen (pg. 42)
compounds These compounds lack carbon and tend to be small, simple molecules (pg. 38)
This is an ionic compound containing cations other than the hydrogen ions and anions other than the hydroxide ion ( pg. 39)
This occurs when bonds are broken in larger molecules, resulting in smaller, less complex molecules ( pg. 37)
All matter is composed of a limited number of substances called? ( pg. 26)
These compounds contain carbon, and they are important compounds in the body (pg. 38 &39)
This is a given number of each element (pg. 29)
These are substances that conduct an electrical current in solution ( pg. 40
This is the fear of water ( pg. 46)
This is the most abundant inorganic compound in the body ( pg. 39
fats Fatty acid chains with only single covalent bonds between carbon atoms rereferred to as ( pg. 44)
bonds This is a chemical bond that involves the electrostatic attraction between hydrogen atom and an atom containing a lone pair electron in a substance (pg. 34)
This type of fat is common in many margarines and bake products (pg. 46)
Help to regulate growth and development ( pg. 51)
This is the most single important steroid molecule ( pg. 46)
This is a substance that increases the rate of a chemical reaction without becoming part of the product or bring changed itself (pg. 51)
This is a process in which one or more substances, also called reactants, are converted to one or more different substances, known as products.
these have a sour taste, can dissolve any metal and can burn a hole in your rug (pg. 51)
These are heavier isotopes of certain atoms are unstable and tend to release energy in order to become more stable (pg. 30)
Highly specialized proteins that recognize, bind with, and inactive bacteria, toxins, and some viruses; function in the immune response, which helps protect the body from invading foreign substances ( pg. 51)
This reaction occurs when acids and bases are mixed, they react with each other in an exchange reaction to form water and salt ( pg. 41)
energy This type of energy is referred to as the working energy, it's involved in the constant movement of the tiniest particles of matter (pg. 25)
These have a bitter taste, feel slippery, and are proton acceptor (pg. 40)

51 Clues: This is the fear of water ( pg. 46) • an ion with a positive charge (pg. 29) • An ion with a negative charge (pg. 29) • has no mass and does not take up space (pg.25) • This is a given number of each element (pg. 29) • This type of energy is inactive or stored ( pg.25 • Help to regulate growth and development ( pg. 51) • ...

chemistry crossword 2024-06-25

Across

___ of ice is 273.15k.
boiling is a __ phenomenon.
gas to solid process is __.
__ intermolecular force of attraction.
__ causes cooling.
rate of evaporation increases with an increase in __.
high intermolecular force of attraction.
considered as building blocks of matter.
evaporation causes ___.

Down

camphor is an example of.
factor affecting the state of a substance is __.
the temperature at which liquid starts boiling.
__ is stored under high pressure.
sublimation occurs when temperature __.
its meaning is hidden.
gas is __ compressible.
evaporation is a __ phenomenon.
__ don't have a fixed shape.
anything which occupies space and has mass
__ molecules have high kinetic energy.

20 Clues: __ causes cooling. • ___ of ice is 273.15k. • its meaning is hidden. • gas is __ compressible. • evaporation causes ___. • camphor is an example of. • boiling is a __ phenomenon. • gas to solid process is __. • __ don't have a fixed shape. • evaporation is a __ phenomenon. • __ is stored under high pressure. • __ intermolecular force of attraction. • ...

Basic chemistry 2024-09-09

Across

A carbohydrate composed of two monosaccharides
Shell The outermost electron shell of an atom that determines its chemical behavior
Organic molecules including fats, oils, and steroids, that are insoluble in water
A substance that releases hydrogen ions in solution
The smallest unit of matter retaining the properties of an element
Large molecules composed of amino acids
(Adenosine Triphosphate)The main energy currency of cells
A substance that accepts hydrogen ions or releases hydroxide ions in solution
A substance that is dissolved in a solvent
Reaction A reaction between an acid and a base that produces water and a salt
A substance formed by the chemical combination of two or more elements in fixed proportions
Scale Ascale that measures the acidity or basicity of a solution
Compounds Compounds that contain carbon
A type of lipid characterized by a carbon skeleton consisting of four rings
Fatty Acid Afatty acid with no double bonds between carbon atoms, fully saturated with hydrogen
Structure The sequence of amino acids in a protein
Organic compounds consisting of carbon, hydrogen, and oxygen, typically in a 1:2:1 ratio
A substance composed of identical atoms that cannot be broken down by ordinary chemical means
The building block of nucleic acids, consisting of a sugar, a phosphate group, and a nitrogenous base
An atom or group of atoms that has gained or lost one or more electrons, thus acquiring a charge
The simplest form of carbohydrate, such as glucose
Molecule A molecule with an uneven distribution of charge, leading to a dipole moment
Variants of an element that have the same number of protons but different numbers of neutrons

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A substance that minimizes changes in pH by accepting or donating hydrogen ions
Acid) The molecule that carries genetic information in cells
The tendency of an atom to attract electrons towards itself
Substances that conduct an electric current when dissolved in water
Synthesis A chemical reaction that builds larger molecules by removing water
Site The region on an enzyme where the substrate binds
Fatty Acid : A fatty acid with one or more double bonds between carbon atoms
Structure The overall three-dimensional shape of a protein
Acids The building blocks of proteins, containing an amino group and a carboxyl group
A substance that speeds up a chemical reaction without being consumed
The addition of a phosphate group to a molecule, often to regulate its activity
Two or more atoms bonded together
The loss of a protein's native structure, rendering it nonfunctional
Bond The attraction between oppositely charged ions
Bond A weak attraction between a hydrogen atom and another atom
chemical reaction that breaks down molecules by adding water
Helix The spiral shape of DNA
(Ribonucleic Acid) A molecule that plays a role in protein synthesis
A substance in which other substances can dissolve
Acids. DNA and RNA, molecules that store and transfer genetic information
A protein that speeds up chemical reactions in the body without being consumed
The reactant on which an enzyme acts
Compounds Compounds that do not contain carbon, such as water and salts
Structure The structure formed by the combination of multiple polypeptide chains
Structure The folding or coiling of the amino acid chain into alpha helices or beta sheets
Bond A bond formed when atoms share one or more pairs of electrons
A complex carbohydrate composed of long chains of monosaccharides

50 Clues: Helix The spiral shape of DNA • Two or more atoms bonded together • The reactant on which an enzyme acts • Large molecules composed of amino acids • Compounds Compounds that contain carbon • A substance that is dissolved in a solvent • A carbohydrate composed of two monosaccharides • Structure The sequence of amino acids in a protein • ...

chemistry puzzle 2024-09-11

Across

anything that has mass and takes up space ( ch.2, pg.24)
which energy results from the movement of charged particles.(pg.24)
the process of atomic decay is called? (pg.28)
reactions that occurs whenever chemical bonds are formed, rearranged, or broken pg.35
formed molecules that are electrically balanced pg.34
energy that is in action (pg.24-25)
The reactant taking up the transferred electrons is called the electron acceptor and is said to become? pg.36
the smallest unit of an element( ch.2, pg.25)
heterogeneous mixture of tiny particles that are dispersed in another medium(pg.29-30)
The substance present in the greatest amount is called? (pg.29-30)
this energy is directly involved in moving matter(pg.24)
subatomic particle in an atom that has a negative charge (ch.2 pg.25)
isotopes that exhibit radioactivity are called ( pg. 28)
a combination of two or more atoms held together by chemical bonds is called a ? (ch.2 pg.28)
in the reactions Smaller particles are bonded together to form larger, more complex molecules. pg.36
has a definite volume but they conform to the shape of their container(pg.24)
subatomic particle in an atom that has a neutral charge (ch.2 pg.25)
bonding that occurs between metals and non metals (pg.31-35)
elements with the outermost electron full are said to be chemically? (pg.31)
the fundamental unit used to measure the amount of substance.pg.29-30
an average of the relative weights of all the isotopes of an element, taking into account their relative abundance in nature.(pg.28)
substances composed of two or more components physically intermixed(pg.29-30)
if you increase me in a substance the kinetic energy also increases creating more collisions. pg.38
an electrically charged atom formed by the loss or gain of one or more electrons pg.32
atoms that have low electron attracting ability that they lose their valence electrons to other atoms are called (pg.34)
Reactions that release energy are called? pg.37

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any atom is equal to the number of protons in its nucleus (pg.27)
regions around the nucleus in which a given electron or electron pair is likely to be found pg.26
the ability to do work or put matter into motion (ch.2, pg.24)
stored energy, that has the potential, or capability, to do work but is not doing so(pg.24)
this type of energy travels in waves(pg.24)
type of bonding that involves sharing an electron (pg.31-35)
one of two or more atoms with the same atomic number but different number of neutrons (pg.27-28)
the power of an atom in a molecule to attract shared-pair electrons towards itself. (pg.34)
substances formed when two or more elements are chemically bonded together in a fixed ratio (pg.30)
Substances present in smaller amounts are called? (pg.29-30)
subatomic particle in an atom that has a positive charge ( ch.2 pg.25)
weak bonds formed between one hydrogen atom, already covalently linked to an electronegative atom, and another electronegative atom (pg.34-35)
has neither a definite shape or definite value (pg.24)
homogeneous mixtures of components that may be gases, liquids, or solids (pg.29-30)
in these reaction occurs when a molecule is broken down into smaller molecules pg.36
unique substances that cannot be broken down into simpler substances by ordinary chemical methods (pg.25 Ch.2)
substances that regulate and accelerate the rate of biochemical reactions pg.38
have definite shape or volume eg.bones(pg.24)
the sum of the masses of its protons and neutrons in the atom ( ch.2 pg.27)
Chemical reactions progress most rapidly and the chance of successful collisions is greater because of this factor. pg.38
form of energy stored in the bonds of chemical substances.(pg.24)
The reactant losing the electrons is referred to as the electron donor and is said to be? pg.36
heterogeneous mixtures with large, often visible solutes that tend to settle out(pg.29-30)
reactions that absorb energy are called? pg.37
in these reactions bonds are both made and broken pg.36
formed molecules that are unequally or not electrically balanced pg.34

52 Clues: energy that is in action (pg.24-25) • this type of energy travels in waves(pg.24) • the smallest unit of an element( ch.2, pg.25) • have definite shape or volume eg.bones(pg.24) • the process of atomic decay is called? (pg.28) • reactions that absorb energy are called? pg.37 • Reactions that release energy are called? pg.37 • ...

Basic Chemistry 2024-09-12

Across

Term used to describe neither losing or gaining electrons. Pg 42
Reacting substances in a chemical equation. Pg 35
Term used to describe a strong attraction towards electrons. Pg 34
Modified triglycerides with a Phosphorus containing group and 2 fatty acid chains. Pg 47
Formed when two monosaccharides are joined. Pg 43
Compact, water soluble, spherical Proteins which plays a role in almost all biological processes. Pg 50
Waste product of protein that is broken down in the body. Pg 40
Compounds that contain carbon, containing Covalent Bonds and are sometimes quite large. Pg 38
Two or more atoms held together by chemical bonds. Pg 28
Characterized as globular proteins that acts as a biological catalyst. Pg 51
Homogeneous mixtures of compounds that may be gas, liquid or soild and dissolve evenly. Pg 29
The substance on which an enzyme act. Pg 52
Fairly insoluble, large storage sugars made of polymers of simple linked together. Pg 43
Bears a net negative charge, gains one or more electrons and is a electron donor. Pg 32
Heterogeneous mixtures also known as emulsions,usually translucent or milky and do not settle out. Pg 30
Has a bitter taste, is slippery and is a proton acceptor. Pg 39
Bears a positive charge.Pg 25
Reactions that release energy. Pg 37
Bears a net positive net charge, loses electrons and is a electron donor. Pg 32
Sum masses of a element's proton and neutrons. Pg 27
Single ring/ chain structures that contains 3 to 7 carbons.Pg 43
Energy that can be placed in action. Eg. Throwing a ball. Pg 24

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Indicated by M and used to express the concentration of a solution. Pg 30
Also known as Exhange reactions.Bonds are both broken and made in these reactions. Pg 36
Term associated with the building or repairing in the body.Pg 36
Bonds found in ther formation of protein. Pg 47
Has a sour taste, can react with many metals and is a proton donor. Pg 39
Insoluble in water but readily dissolve in other solvents such as alcohol and ether. Pg 43
Substances that conduct electrical current in solution. Pg 39
An ionic compound that contains cations, other hydrogen ions and anions other than hydroxl ions. Pg 39
Breaking of bonds due to changes in ph or temperature. Pg 50
Regions of space around the nucleus of a atom.Pg 26
The capacity to do work put matter into motion. Pg
Large arrays of cations and anions held together by ionic bonds. Pg 32
Heterogeneous mixtures with large visible solutes that settle out. Pg 36
Substances composed of two or more components physically intermixed. Pg 29
Reactions that comprises of potential energy in the chemical bonds than the reactants. Pg 37
Low electron attracting ability that causes electrons to lose their valence shells to other atoms. Pg 34
Compounds that are found mainly in the body, and are acids, water, salts and bases. Pg 38
Chemical Bonds that form by the transfer of one or more electrons from one atom to another. Pg 32
Made of chain like units comprising of similar repetitive units. Pg 42
Term associated with the Decomposition or degradation in the body. Pg 36
Charged particles formed when electrons are lost.Pg 32
Isotopes whose elements are unstable and are radioactive. Pg 28
Molecules that exhibit unequal electron pair sharing. Pg 34
Term used for when two or more atoms combine and form molecules. Pg 28
Reactions which sees molecules broken down into smaller molecules or it constituent atoms. Pg 36
To contain two poles of charge. Eg Water Pg 34
Anything that occupies space and has mass. Pg 24
Bonds found between electron sharing molecules. Pg 32
Extended Strand like proteins that are integral for structure in the body. Pg 50

51 Clues: Bears a positive charge.Pg 25 • Reactions that release energy. Pg 37 • The substance on which an enzyme act. Pg 52 • To contain two poles of charge. Eg Water Pg 34 • Bonds found in ther formation of protein. Pg 47 • Anything that occupies space and has mass. Pg 24 • Reacting substances in a chemical equation. Pg 35 • Formed when two monosaccharides are joined. Pg 43 • ...

Basic Chemistry 2024-09-13

Across

a group of molecules that includes sugars and starches, represent 1–2% of cell mass page 43.
The relative concentration of hydrogen ions in various body fluids is measured in concentration units called page 40.
an atom’s outermost energy level or that portion of it containing the electrons that are chemically reactive page 31.
a combination of two or more atoms held together by chemical bonds is called a page 28
Every chemical reaction requires that a certain amount of energy, called page 52.
are extended and strandlike some exhibitonly secondary structure, but most have tertiary or even quaternary structure as well page 50
are homogeneous mixtures of components that may be gases, liquids, or solids page 29.
of any atom is equal to the number of protons in its nucleus page 27
is stored energy, that is, inactive energy that has the potential, or capability, to do work but is not presently so page 24.
is the study of the chemical composition and reactions of living matter page 38.
contains protons and neutrons tightly bound together.
is anything that occupies space and has mass.Page 24
donor The reactant losing the electrons is referred to as the page 36.
is defined as the capacity to do work, or to put matter into motion page 24
are insoluble in water but dissolve readily in other lipids and in organic solvents such as alcohol and ether page 43.
have a bitter taste, feel slippery, and are proton acceptors that is, they take up hydrogen ions (H1) in detectable amounts page 39.
is the form stored in the bonds of chemical substances page 24.
is formed when two monosaccharides are joined by dehydration synthesis page 43.
is energy that travels in waves page 24.
have a sour taste, can react with (dissolve) many metals,and “burn” a hole in your rug page 39.
are substances that increase the rate of chemical reactions without themselves becoming chemically changed or part of the product page 38.
Electrons forming the electron cloud around the nucleus of an atom occupy regions of space called page 31.
The structural units of nucleic acids page 53.
Acids that do not dissociate completely, like carbonic acid (H2CO3) and acetic acid (HAc), are weak acids page 41.
acids that dissociate completely and irreversibly in water are called page 41.
are formed when atoms share electron pairs page 57.
are modified triglycerides page 47.
are globular proteins that act as biological catalysts page 51.
also called neutral fats, are commonly known as fats when solid or oils when liquid page 45.

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all cells contain a class of unrelated globular proteins called page 50.
results from the movement of charged particles page 24.
are heterogeneous mixtures with large, often visible solutes that tend to settle out page 30.
acids composed of carbon, oxygen, hydrogen,nitrogen, and phosphorus, are the largest molecules in the body page 53.
are diverse lipids chiefly derived from a 20-carbon fatty acid (arachidonic acid) found in all cell membranes page 47.
are polymers of simple sugars linked together by dehydration synthesis page 43.
are substances composed of two or more components physically intermixed page 29.
Homeostasis of acid-base balance is carefully regulated by the kidneys and lungs and by chemical systems (proteins and other types of molecules) called page 41.
unique substances that cannot be broken down into simpler substances by ordinary chemical methods page 25.
are compact, spherical proteins that have at least tertiary structure page 50.
an important base in the body,is particularly abundant in blood page 40.
Reactions that release energy are called page 37.
are single-chain or single-ring structures containing from three to seven carbon atoms page 43.
the sum of the masses of its protons and neutrons page 27.
The substance on which an enzyme acts is called a page 52.
are basically flat molecules made of four interlocking hydrocarbon rings page 47.
is energy directly involved in moving matter page 24.
substances that conduct an electrical current in solution page 39.
The building blocks of proteins are molecules page 47.
is an ionic compound containing cations other than H1 and anions other than the hydroxyl ion (OH2) page 39.
When two or more different kinds of atoms bind, they form molecules of a page 28.
bear a negative charge equal in strength to the positive charge of the proton page 25.
is a chemical bond between atoms formed by the transfer of one or more electrons from one atom to the other page 32.
have the same number of protons (and electrons), but differ in the number of neutrons they contain page 27

53 Clues: are modified triglycerides page 47. • is energy that travels in waves page 24. • The structural units of nucleic acids page 53. • Reactions that release energy are called page 37. • are formed when atoms share electron pairs page 57. • is anything that occupies space and has mass.Page 24 • contains protons and neutrons tightly bound together. • ...

BASIC CHEMISTRY 2024-09-13

Across

Each element is composed of it. page 24
negatively charged. page 25
complete transfer of electrons.page 34
Process of atomic decay
name given to something that has two poles of charge. page 34
unequal electron pair sharing
a substance composed of two or more components physically intermixed. page 29
equal to the number of protons in it's nucleus. page 27
when bonds are both made and broken. page 36
combination of atoms held together by chemical bonds. page 28
small particles bond to form larger, more complex molecules. page 36
component of proteins and nucleic acids. page 26
found as salt in bones and teeth. page 26
a heterogenous mixture that tends to settle out. page 30
Most useful form of energy in living systems.page 24
Capacity to do work.Page 24
The movement of charged particles.page 24
Contains protons and neutrons bound together. page 25
Anything that occupies space and has mass. Page 24
Energy directly involved in moving matter. page 24
occurs whenever chemical bonds are formed. page 35
reactions that release energy. page 37
component of muscle proteins. page 26
Isotopes that experience atomic decay. page 28
the reactant accepting electrons is said to be. page 36
particles do not settle out or scatter light. page 29
Stored energy. page 24

Down

Have a definite shape and volume. page 24
elements that have multiple structural variations. page 27
the reactant losing the electrons is said to be. page 36
influences the pH of body fluids. page 26
when atoms bind. page 28
gains stability by losing one electron. page 32
average age of the relative weights of all isotopes. page 28
positively charged. page 25
Have definite volume but takes the shape of its container. page 24
Neither definite shape or volume. Page 24
particles are larger than in a solution. page 29
bonds are broken in larger molecules. page 36
when atoms attract electrons very strongly. page 34
Energy in Action. page 24
Stored in bonds of chemical substances. page 24
sum of the masses of its protons and neutrons. page 27
All matter is composed of it. page 25
Table Listing of elements. page 24
where an electron is most likely to be found. page 26
a substance that increases the rate of chemical reactions without themselves becoming chemically changed. page 38
component of all organic molecules. page 26
sharing of electrons. page 32
component of both organic and inorganic molecules. page 26

50 Clues: Stored energy. page 24 • Process of atomic decay • when atoms bind. page 28 • Energy in Action. page 24 • negatively charged. page 25 • positively charged. page 25 • Capacity to do work.Page 24 • unequal electron pair sharing • sharing of electrons. page 32 • Table Listing of elements. page 24 • All matter is composed of it. page 25 • component of muscle proteins. page 26 • ...

Basic Chemistry 2024-09-13

Across

Substances present in great amounts
Their composition is dissimilar in different areas of the mixture
The loss of charges from an atom
An ionic compound containing cations other than H+ and anions other than OH+
A reaction that releases energy
Diverse lipids cheifly derived from a 20-carbon fatty acid found in all cell membranes
Modified triglycerides
They have a bitter taste, feels slippery and are proton acceptors
The form stored in the bonds of chemical substances
Makes up 60-80% of the volume of most living cells
A chemical bond between atoms formed by the transfer of one or more electrons from one atom to another
A group of molecules that includes sugars and starches and represent 1-2% of cell mass
They are insoluble in water but readily dissolvable in organic solvents such as alcohol and ether
Possitively Charged
Energy directly involved in moving matter
Unique substances that cannot be broken down into simpler substances by ordinary chemical methods
Equal to the number of protons in its nucleus and is written as a subscript to the left of its atomic symbol
Two or more atoms held together by chemical bonds
Heterogeneous mixtures with large,often visible solutes that tend to settle out
Polymers of simple sugars linked together by dehydration synthesis
The sum of the masses of its protons and neutrons
An average of the relative weights of all the isotopes of an element
Composes 10-30% of cell mass and is the basic structural material of the body
Single-chain or single-ring structures containing from three to seven carbon atoms
They are neutral but the nucleus is overall positively charged
Elements that have two or more structural variations

Down

These are known as fats when solid and oils when liquid
They bare a negative charge but are equally strengthened to the postive charge of a proton
When shared electrons occupy a single orbital commons to both atoms
A double sugar formed when two monosaccharides are joined by dehydration synthesis
These are known as the building blocks of proteins
Substances present in small amounts
Globular proteins that act as biological catalyts
When an hydrogen atom is already covalently linked to one electronegative atom and is attracted by another electron-hungry atom so that a bridge forms between them
Substances that increase the rate of chemical reactions without themselves being chemically changed
The movements from charged particles
Substances that conduct an electrical current in solution
Elements are composed of more are less identical particles or building blocks known as
Homogeneous mixtures of components that may be gases,liquid or solid
Isotopes that experience radioactivity
This occurs when a mole is broken down into smaller molecules or its constituent atoms
Substances composed of two or more components physically intermixed
They have a sour taste and can react with many metals
The capacity to do work or put matter into motion
Homeostasis of acid-base balance is carefully regulated by thr kidneys,lungs and chemical systems
A net negative charge
A net positive charge
Anything that occupies space and has mass
Two or more different atoms binded together
Flat molecules made of four interlocking hydrocarbon rings

50 Clues: Possitively Charged • A net negative charge • A net positive charge • Modified triglycerides • A reaction that releases energy • The loss of charges from an atom • Substances present in great amounts • Substances present in small amounts • The movements from charged particles • Isotopes that experience radioactivity • Energy directly involved in moving matter • ...

Basic Chemistry 2024-09-13

Across

A radioactive isotope that emits radiation during decay (p. 28).
A reaction that breaks chemical bonds by adding water (p. 38).
A space region around the nucleus where electrons are likely to be found (p. 26).
Reaction A reaction where a compound breaks down into simpler substances (p. 36).
Energy Energy of motion (p. 24).
Bond A bond is formed by sharing electrons between atoms (p. 32).
A positively charged particle in the nucleus (p. 25).
The substance that dissolves the solute in a solution (p. 29).
A negatively charged particle outside the nucleus (p. 25).
Reaction A reaction that releases energy (p. 37).
The smallest unit of a compound with its properties (p. 28).
A homogeneous mixture of substances (p. 29).
Number The number of protons and neutrons in an atom’s nucleus (p. 27).
The capacity to do work or cause change (p. 24).
A substance that cannot be chemically broken down further (p. 25).
The amount of a substance in a given volume (p. 37).
An element that tends to lose electrons and form positive ions (p. 34).
A negatively charged ion (p. 32).
Physical combinations of substances not chemically bonded (p. 29).
A positively charged ion (p. 32).
Table A chart of elements arranged by atomic number, showing repeating properties (p. 25).
A substance that reduces hydrogen ion concentration (p. 39).
Energy Stored energy (p. 24).
A substance that increases hydrogen ion concentration (p. 39).

Down

Bond The force holding atoms together in molecules or compounds (p. 31).
A substance that speeds up a reaction without being consumed (p. 38).
The smallest unit of matter retaining element properties (p. 25).
A mixture of large particles that settle out over time (p. 30).
A reaction where a compound breaks into simpler substances (p. 36).
The loss of electrons from a substance (p. 36).
An atom’s tendency to attract electrons in a bond (p. 34).
A substance formed from two or more chemically bonded elements (p. 28).
A solution that resists pH changes (p. 41).
Reaction A reaction where parts of two reactants are exchanged to form new products (p. 36).
Bond A weak bond between a proton in one molecule and an electronegative atom in another (p. 34).
Energy The minimum energy required to start a reaction (p. 52).
Shell The outermost electron shell of an atom (p. 31).
Reaction A reaction that absorbs energy (p. 37).
A biological catalyst that speeds up reactions (p. 51).
Reaction A process that transforms one set of chemicals into another (p. 35).
Substances that change in a chemical reaction (p. 35).
Reaction A reaction where two or more substances form a new compound (p. 36).
An atom or molecule with an electric charge due to lost or gained electrons (p. 32).
Number The number of protons in an atom's nucleus (p. 27).
Energy Energy that travels in waves (e.g., light) (p. 24).
Atoms of the same element with different neutron numbers (p. 27).
Anything with mass and volume (p. 24).
Substances formed by a chemical reaction (p. 35).
A mixture with small particles that stay dispersed and don’t settle out (p. 30).
A measure of a solution's acidity or basicity (p. 40).

50 Clues: Energy Stored energy (p. 24). • Energy Energy of motion (p. 24). • A negatively charged ion (p. 32). • A positively charged ion (p. 32). • Anything with mass and volume (p. 24). • A solution that resists pH changes (p. 41). • A homogeneous mixture of substances (p. 29). • The loss of electrons from a substance (p. 36). • The capacity to do work or cause change (p. 24). • ...

Basic Chemistry 2024-09-13

Across

Occur when atoms transfer electrons. Page 36
An ion that gain or accept electrons. Page 32
Formed from the moving of charge particles
Molecules that are formed from sharing electrons and are electrically balanced. Page33-34
Anything that has space and mass. Page 24
Substances consisting of two or more components. Page29
Measures the number of atoms and is equal to atomic weight. Page 29
Heterogeneous mixtures that do not settle out. Page 30
Is the same as the number of protons in an atom. Page 27
Atoms that are co posed of the same number of protons and different number of neutrons. Page 27
Cannot be broken down in to any other substance or simpler substances. Page 25
When small particles are bonded together to form large particles. Page 36
Can be found in the nucleus of an atom has a neutral charge.
The average of the mass numbers of the total isotopes of an element. Page 28
Formed when hydrogen atoms share their electrons with another atom. Page 34
Can be found in the centre of the atom and is consist of protons and neutrons. Page25
When large particles are broken which will result in small particles. Page 36
To change back t a fluid state to a more solid state. Page 30
Located around the nucleus and where electrons can be found. Page 26
Increases the rate of reactions without becoming chemically charged. Page 38
Energy that is stored and is not active. Page 24
Substances that are in large amounts. Page 29
Equation describing what happens in a reaction. Page 35
energy Energy of movement or action. Page 24
When two or more atoms combine and is hold by a chemical bond. Page 28

Down

When bonds are broken and created. Page 37
Energy that moves from one place to another in waves. Page 24
symbol Represented by one or two letters. Page 25
The process of the decay of atoms. Page 28
Isotopes that display radioactivity. Page 28
Substances that are in small amounts. Page 2929
Energy that involves the movement of matter. Page 24
Can be found on the shell of an atom and has a positive charge. Page 25
Smallest particles of a chemical substance that is composed of electrons, neutrons and protons. Page 24
Used to express the contents of a solution. Page 29
Bond that is formed during the combination of atoms. Page 31
Formed when electrons are transfer from one atom to another. Page 32
When electron pair sharing is not equal. Page 34
When atoms donate electrons. Page 34
Found in bonds of Chemical substances. Page 24
A type of Homogeneous mixtures that consist of solutes and solvents. Page 29
A type of Heterogeneous mixture with solutes that settles out. Page 30
When atoms attract electrons on its valence shell. Page 34
Regions where the electrons are located on an atom. Page 31
A listing of all the elements and assist in the explanation of the elements properties. Page 25
Showcase atoms chemical behavior. Page 26
Can be found in the nucleus of the atom and has a positive charge. Page 25
The total number of protons and neutrons. Page 27
Formed when atoms share electrons. Page 32
Reacting substances in a reaction. Page 35
When different kinds of atoms are bonded together. Page 28
Loses electrons and are electron donors. Page 32

52 Clues: When atoms donate electrons. Page 34 • Anything that has space and mass. Page 24 • Showcase atoms chemical behavior. Page 26 • When bonds are broken and created. Page 37 • The process of the decay of atoms. Page 28 • Formed from the moving of charge particles • Formed when atoms share electrons. Page 32 • Reacting substances in a reaction. Page 35 • ...

Chemistry FA 2024-08-15

Across

a sub-atomic particle with a positive charge
potassium's electronic configuration is 2,8,8,1, which period is it in?
particles collide and diffuse , this is proved by _______ theory
this holds the all the protons and neutrons in an atom
tritium and deuterium are isotopes of_____
neutrons have ______ charge
movement of particles from higher concentration to lower concentration
the no. of valence electrons in an element determines it's ______
a separation technique which starts with evaporation followed by condensation
hidden heat used to change the matter of particles
when two or more elements bond in a fixed proportion it's called a _____

Down

change from gas to solid
element with an electronic configuration 2,8,3
slows, liquids and gasses are types of ______
same element with same atomic number but different atomic mass
adding impurities to a substance ______ the melting point
another term for atomic mass
when this factor increases rate of diffusion increases
rule that states , the K shell can hold only 2 electrons
this state of matter can't be compressed and only vibrates at its fixed position

20 Clues: change from gas to solid • neutrons have ______ charge • another term for atomic mass • tritium and deuterium are isotopes of_____ • a sub-atomic particle with a positive charge • slows, liquids and gasses are types of ______ • element with an electronic configuration 2,8,3 • hidden heat used to change the matter of particles • ...

Environmental Chemistry 2024-10-24

Environmental Chemistry crossword puzzle

Across

Used for energy in the human body
Used to identify acids and bases
Energy storage in the human body
Movement of water from an area of high concentration to low
The taste of acids
Has a pH lower than 7
Used for repair and growth, muscular and skeletal structure, and other jobs in cells
Made of 2 or more elements bonded together
Does not contain carbon
Needed in large amounts
Molecules our body needs for survival
Found on the periodic table

Down

The loss of oxygen in an ecosystem due to the addition of fertilizers
Movement of particles from an area of high concentration to low
The taste of bases
Can be reduced with the use of scrubbers
Chains of carbon and hydrogen
Needed in trace amounts
Matter or energy that is harmful to an organism or ecosystem
Has a pH greater than 7
One of the main elements in fertilizers
The coolest science teacher
What the "LD" stands for in "LD50"

23 Clues: The taste of bases • The taste of acids • Has a pH lower than 7 • Needed in trace amounts • Has a pH greater than 7 • Does not contain carbon • Needed in large amounts • The coolest science teacher • Found on the periodic table • Chains of carbon and hydrogen • Used to identify acids and bases • Energy storage in the human body • Used for energy in the human body • ...

IGCSE Chemistry 2024-10-31

Across

Process of breaking down glucose
Organic compounds with an OH group attached
Substances with a range of melting and boiling points
Most abundant element in breathable air
Organic compounds which have single bonds only
Process used to remove smaller particles
Substance with a pH value below 7
Large molecules with more than 50 small molecules
Mixture of two or more metals
Number of free electrons in the outer shell
The liquid in which the solute dissolves
Row on a periodic table is called a ..........
Breaking larger chains of molecules into smaller ones
Process in which green plants create glucose

Down

The result of an acid reacting with a base
Solute dissolved in solvent
Used to speed up reactions
Substance with no water chemically attached
Process to kill microbes in water
Makes up approximately 21% of breathable air
A rock that stores water
Group 7 of the periodic table
Measures temperature
Carbon .......... is toxic to humans
Found on the left of the periodic table

25 Clues: Measures temperature • A rock that stores water • Used to speed up reactions • Solute dissolved in solvent • Group 7 of the periodic table • Mixture of two or more metals • Process of breaking down glucose • Process to kill microbes in water • Substance with a pH value below 7 • Carbon .......... is toxic to humans • Most abundant element in breathable air • ...

Basic Chemistry 2024-11-13

Across

and physical properties are formed.
energy in your diet – carbohydrates, fats, proteins
change -occurs whenever new substances with different
soup
Bonds – Is formed when atoms share one or more pairs of
– one kind of atom; food processing can strip some foods
it causes both atoms to have a charge
mixture – non-uniform distribution of particles ex.
– are substances that are put together but not chemically
Compound - are made up of minerals your body needs –

Down

Bonds – Electrons are transferred from one atom to another
mixture – uniform distribution of particles throughout
salt, water, magnesium
– is the study of the makeup, structure, and properties of
Compound - contain hydrogen and oxygen; all the sources
ex. Milk has calcium and salt
Tea or soft drinks
and the changes that occur to tPure substance – is matter in which all the basic units are the same;
change – involve changing shape, physical state, size,
elements or compounds; elements important for good health
these vital elements – iron, calcium, potassium
without changing the chemical identity.

22 Clues: soup • Tea or soft drinks • salt, water, magnesium • ex. Milk has calcium and salt • and physical properties are formed. • it causes both atoms to have a charge • without changing the chemical identity. • these vital elements – iron, calcium, potassium • energy in your diet – carbohydrates, fats, proteins • mixture – non-uniform distribution of particles ex. • ...

Chemistry Crossword 2025-10-13

Across

: A reaction that releases heat energy to the surroundings
: Negatively charged particle that follows an orbit of a level around a nucleus
: An instrument used to measure temperature
: A measure of how hot or cold a substance is
: A state of matter that has a definite volume but no fixed shape
PARTICLE THEORY : The theory that all matter is made up of tiny particles
: A state of matter that has no fixed shape or volume
: Neutral particle found in the nucleus
: An instrument used to measure temperature
: A substance made up of two or more elements chemically combined in fixed proportions
: A combination of two or more substances
: A state of matter that has a fixed shape and volume

Down

: Process of liquid turning into gas
: Smallest unit of matter
of these particles determine the state of matter
:A substance that contains only one type of atom and cannot be broken down into anything simpler by chemical means.
are not chemically bonded and can be separated by physical means
: Rapid vaporization of a liquid
: Solid turning into liquid
: Positively charged particle in the nucleus
: Liquid turning into solid
are in constant motion and that the energy and
: Gas changing into liquid

23 Clues: : Smallest unit of matter • : Gas changing into liquid • : Solid turning into liquid • : Liquid turning into solid • : Rapid vaporization of a liquid • : Process of liquid turning into gas • : Neutral particle found in the nucleus • : A combination of two or more substances • : An instrument used to measure temperature • : An instrument used to measure temperature • ...

Chemistry Crossword 2025-10-13

Across

: A substance made up of two or more elements chemically combined in fixed proportions
: Gas changing into liquid
: A combination of two or more substances that are not chemically bonded and can be separated by physical means
: A reaction that releases heat energy to the surroundings
: Negatively charged particle that follows an orbit of a level around a nucleus
: Smallest unit of matter
: The temperature at which a liquid changes to a gas
: A state of matter that has a fixed shape and volume

Down

: Rapid vaporization of a liquid
: Process of liquid turning into gas
: A measure of how hot or cold a substance is
: An instrument used to measure temperature
: Liquid turning into solid
: Positively charged particle in the nucleus
PARTICLE THEORY : The theory that all matter is made up of tiny particle which are in constant motion and that the energy arrangement of these particles determine the state of matter
: Neutral particle found in the nucleus
: A substance that contains only one type of atom and cannot be broken down into anything simpler by chemical means.
: A state of matter that has a definite volume but no fixed shape
: Solid turning into liquid
: A state of matter that has no fixed shape or volume

20 Clues: : Smallest unit of matter • : Gas changing into liquid • : Liquid turning into solid • : Solid turning into liquid • : Rapid vaporization of a liquid • : Process of liquid turning into gas • : Neutral particle found in the nucleus • : An instrument used to measure temperature • : Positively charged particle in the nucleus • : A measure of how hot or cold a substance is • ...

chemistry puzzle 2025-08-11

Across

all lithium atoms have _____ protons
an atom that has 2 protons is the element _____
the mass number of an atom that has two protons, two electrons, and two neutrons
Which subatomic particle has the smallest mass?
atoms that have the same number of protons but a different number of neutrons
center of an atom
isotopes have the same number of protons but a different number of ____
word that means "smaller than an atom"
an atom that has 1 proton is the element _____
if given a choice between the mountains or the beach, you would choose the _____
the elements are organized in the _____ table

Down

the element that is used in some nuclear bombs
atoms with the same number of protons are the same _____
the mass number of an atom that has three protons, three electrons, and four neutrons
these animals can either be land animals OR water animals
a _____ average is an average based on how important each number is
Do all nitrogen atoms have the same number of protons?
an atom that has 8 protons is the element _____
the charge of a proton
the charge of a neutron
the amount of "stuff" in an object
most of an atom is _____ space
the mass number of an atom that has one proton, zero neutrons, and one electron
the charge of an electron
Do positive and negative charges attract each other, or do they repel?
an atom that has 5 protons is the element _____

26 Clues: center of an atom • the charge of a proton • the charge of a neutron • the charge of an electron • most of an atom is _____ space • the amount of "stuff" in an object • all lithium atoms have _____ protons • word that means "smaller than an atom" • the elements are organized in the _____ table • the element that is used in some nuclear bombs • ...

Chemistry Vocabulary 2025-08-22

Across

State of matter in which the molecules have a fixed volume but not a fixed shape
Hot air balloon pilot
Polymer developed by Leo Baekeland
Video game developer
A row of the periodic table
English scientist, developed an atomic theory
A solid, liquid or gas that possesses inertia and is capable of occupying space
A property related to the resistance of a fluid to flow
Temperature at which a solid becomes a liquid at a specified pressure
To pass from liquid to solid state by loss of heat

Down

A substance that will not dissolve in a liquid
The degree of agreement among individual measurements
Ancient Greek who called the tiny particles atoms
Irish chemist
A measure of the closeness between a measured value and the accepted or true value
State of matter in which the molecules do not a fixed volume and a fixed shape
State of matter in which the molecules have both a fixed volume and a fixed shape
A conceptual representation of a process, system, or object
A combination of two or more substances
Units The accepted international units of measurements

20 Clues: Irish chemist • Video game developer • Hot air balloon pilot • A row of the periodic table • Polymer developed by Leo Baekeland • A combination of two or more substances • English scientist, developed an atomic theory • A substance that will not dissolve in a liquid • Ancient Greek who called the tiny particles atoms • To pass from liquid to solid state by loss of heat • ...

Organic Chemistry 2025-09-21

Across

functional group of alcohols
highest boiling point fraction from fractional distillation of crude oil
compound formed when alcohol react with carboxylic acid
gas released from potassium carbonate reacting with propanoic acid
by-product of esterification
gas released from reaction of methanoic acid with sodium metal
General name for organic molecules made of only hydrogen and carbon
butan-1-ol and butan-2-ol
General name for saturated hydrocarbons
reaction between alcohol and carboxylic acid
product of pentanol reacting with propanoic acid

Down

properties used to separate crude oil mixture
main constituent of natural gas
The part of a molecule that gives it its chemical properties
easy to evaporate
Hydrocarbons with one or more double bonds
long hydrocarbon chain break down into shorted chains by heating
reaction between ethanoic acid and potassium hydroxide
simplest alkene
petroleum product used as jet fuel
reaction converting alkene to alcohol
solid form of fossil fuel

22 Clues: simplest alkene • easy to evaporate • butan-1-ol and butan-2-ol • solid form of fossil fuel • functional group of alcohols • by-product of esterification • main constituent of natural gas • petroleum product used as jet fuel • reaction converting alkene to alcohol • General name for saturated hydrocarbons • Hydrocarbons with one or more double bonds • ...

Chemistry Review 2025-09-12

Across

A group of atoms bonded together
Reaction with oxygen that releases heat and light
Substance formed in a chemical reaction
Starting substance in a chemical reaction
Electrons in the outermost shell
Type of bonding with a ‘sea of electrons’
Scale used to measure acidity or alkalinity
A reaction that releases heat
base Reaction where an acid reacts with a base to form salt and water
A substance that can dissolve in a solvent
Process that uses electricity to split compounds

Down

Reaction where a compound breaks down into simpler substances
Substance that speeds up a reaction without being used up
where two or more substances combine to form one product
A charged particle
An insoluble solid formed in a reaction
Substance that reacts with acids to form salt and water
The smallest unit of matter
Mixture of metals or metals with other elements
Table that arranges elements by atomic number
Reaction between acid and base

21 Clues: A charged particle • The smallest unit of matter • A reaction that releases heat • Reaction between acid and base • A group of atoms bonded together • Electrons in the outermost shell • Substance formed in a chemical reaction • An insoluble solid formed in a reaction • Starting substance in a chemical reaction • Type of bonding with a ‘sea of electrons’ • ...

CHEMISTRY CROSSWORD 2025-09-15

Across

Technique used to separate colored components of a mixture
Process of coating Zn over Fe to prevent rusting
Gas detected by lime water test
The quantum number that specifies the size of the orbital
Found in milk but also used in the plaster of paris
Element with highest electronegativity
Phenomenon for stability of benzene
Liquid metal
Number of atoms in an atom
Shape of p-orbital
Opposite of markovnikov’s rule
Aromatic substitution reaction involving nitrobenzene formation

Down

It looks like water but burns with blue flame
Flask used for titration experiments
Element found in haemoglobin
The shape of NH3 molecule
Hardest metal
Glassware used for accurate measurement of fixed volumes of solutions
Orbitals with same energy levels are called
The SI unit of amount of substance
Rule/principle to predict the order of filling of orbitals
The pH of neutral solution
It has shells but no tortoise involved
Scientist who discovered nucleus

24 Clues: Liquid metal • Hardest metal • Shape of p-orbital • The shape of NH3 molecule • Number of atoms in an atom • The pH of neutral solution • Element found in haemoglobin • Opposite of markovnikov’s rule • Gas detected by lime water test • Scientist who discovered nucleus • The SI unit of amount of substance • Phenomenon for stability of benzene • Flask used for titration experiments • ...

Chemistry Terms 2025-09-16

Across

element with 15 electrons
natural phenomenon that is evidence of Bohr model
electron pairs by themselves
particle with no electric charge
OH-
Hydrogen-3 by another name
spectrum emission of light at specific wavelengths
bonds between metals and non-metals
dihydrogen monoxide by another name

Down

ion charge of aluminum
historical name of NH3
shared bonds
number of oxygen atoms in carbon monoxide
groups of ions that tend to stay together
HNO3
diagram used to visualize covalent bonding
number of electrons transferred when Zr bonds ionically
number of protons and neutrons in a nucleus
maximum number of electrons in 2nd shell
particle found outside the nucleus

20 Clues: OH- • HNO3 • shared bonds • ion charge of aluminum • historical name of NH3 • element with 15 electrons • Hydrogen-3 by another name • electron pairs by themselves • particle with no electric charge • particle found outside the nucleus • bonds between metals and non-metals • dihydrogen monoxide by another name • maximum number of electrons in 2nd shell • ...

Chemistry Crossword 2025-12-11

Across

horizontal row on periodic table
neutral particle in the nucleus
unit equal to 6.022×10²³ particles
scientist whose number is 6.022×10²³
number of protons in an atom
change in state, not identity
pure substance made of one type of atom
starting substance in a chemical reaction
energy required to remove an electron
positively charged particle
substance formed by a chemical reaction
basic unit of matter
dense center of the atom
weighted average mass of all isotopes of an element

Down

total protons and neutrons
force that holds atoms together
process where substances are transformed
atom with a charge
vertical column on periodic table
atoms with same protons but different neutrons
group of atoms bonded together
difference between actual and experimental value
creator of the periodic table
mass cannot be created or destroyed
substance of two or more bonded elements
symbolic representation of a chemical reaction
negatively charged particle

27 Clues: atom with a charge • basic unit of matter • dense center of the atom • total protons and neutrons • negatively charged particle • positively charged particle • number of protons in an atom • creator of the periodic table • change in state, not identity • group of atoms bonded together • force that holds atoms together • neutral particle in the nucleus • ...

Clinical Chemistry 2025-12-11

Across

Sweat chloride tests for this disease
Common obstruction of the urinary tract
Occurs when an enzyme is exposed to intense heat
Measured osmolality - calculated osmolarity
These interfere with enzyme action
Autosomal recessive disease know for frequent lung infections
Spillover is found in urine when serum level is >180 mg/dL
Breakdown of glycogen to glucose
Variation of concentration of an analyte in the body
Brain damage that can result from neonatal jaundice

Down

Most abundant protein in plasma
In this disease, gluten is toxic to the small intestinal mucosa
Increased in acute liver failure and must be placed on ice immediately after draw
Common anticoagulant in specimen collection tubes for chemistry
Stimulates secretion of gastric acid, pepsinogen, IF and secretin
Mnemonic for causes of increased anion gap
Increased during gout infection
The ability to make a positive dx in pts with the disease
Major metabolite of dopamine
Pancreatic enzyme that rises within 5 hours of pancreatitis onset
Confirmatory test for bilirubin in urine
Anticoagulated tube that cannot be used to measure potassium
Vehicles for intra/extra cellular communitcation

23 Clues: Major metabolite of dopamine • Most abundant protein in plasma • Increased during gout infection • Breakdown of glycogen to glucose • These interfere with enzyme action • Sweat chloride tests for this disease • Common obstruction of the urinary tract • Confirmatory test for bilirubin in urine • Mnemonic for causes of increased anion gap • ...

Chemistry 1 2026-04-28

Across

Type of bond where electrons are shared unequally between atoms
The charge an atom would have if electrons were transferred completely
Set of relationships describing pressure, volume, temperature, and amount of gas
Reactant that runs out first and determines how much product forms
Comparison of actual yield to theoretical yield expressed as a percentage
Using balanced equations to calculate quantities of reactants and products
Type of bonding where atoms share electrons to become stable
Force that holds atoms together in a compound
Neutral particle found in the nucleus of an atom
Chemical equation with equal numbers of each atom on both sides
Principle stating matter cannot be created or destroyed in a chemical reaction
Positively charged particle found in the nucleus of an atom

Down

Minimum energy needed to start a chemical reaction
Two or more atoms chemically bonded together
Electrons in the outermost energy level that are involved in bonding
Substance formed from the attraction between positive and negative ions
Attractions between molecules that affect physical properties like boiling point
Relationship showing pressure and volume are inversely proportional at constant temperature
Measurement of concentration defined as moles of solute per liter of solution
Energy required to remove an electron from an atom in the gas phase

20 Clues: Two or more atoms chemically bonded together • Force that holds atoms together in a compound • Neutral particle found in the nucleus of an atom • Minimum energy needed to start a chemical reaction • Positively charged particle found in the nucleus of an atom • Type of bonding where atoms share electrons to become stable • ...

Organic Chemistry 2026-04-22

Across

Molecule with only C/H, and no pi bonds or rings
Factors having to do with where the electrons are found (e.g., electronegativity, resonance, hybridization, or inductive effects)
The end product of a synthesis
-CH3
Any molecule with an H
Lover of nuclei
Most-substituted alkene product of an elimination reaction
Two carbons away from the leaving group/carbocation
Polar solvents without an H on N, O, or X
RMgX
Any molecule with a lone pair

Down

Lover of electrons
+ charge next to (and in resonance with) pi bond(s) (not benzene ring)
Polar solvents with an H on N, O, or X
A cation with a +1 formal charge on a carbon
Least-substituted alkene product of an elimination reaction
C=O
One carbon away from the leaving group/carbocation carbon
+ charge next to benzene ring (and in resonance with benzene pi bonds)
Factors having to do with overcrowding (forcing atoms to be too close together)
The carbocation carbon or the C attached to the leaving group

21 Clues: C=O • -CH3 • RMgX • Lover of nuclei • Lover of electrons • Any molecule with an H • Any molecule with a lone pair • The end product of a synthesis • Polar solvents with an H on N, O, or X • Polar solvents without an H on N, O, or X • A cation with a +1 formal charge on a carbon • Molecule with only C/H, and no pi bonds or rings • Two carbons away from the leaving group/carbocation • ...

Chemistry revision 2026-05-15

Across

A three-legged piece of apparatus used for support during heating
The yellow Bunsen burner flame used when not heating
An experimental technique used to separate an insoluble solid from a liquid
The process where particles spread out, such as in gases
The starting substances in a chemical reaction that are conserved into products
The classification for a solution with a pH of exactly 7
A yellow non-metal that can be recognised by its physical appearance
A metal that can be recognised by its physical appearance
The likelihood that a hazard will cause harm
The variable that is predetermined in a scientific experiment

Down

A potential source of harm or danger in the laboratory
A substance formed when two or more elements chemically combine
The random movement of particles observed in fluids
A scientific unit for measuring temperature
The blue Bunsen burner flame used for intense heating
A gas that can be identified by a specific chemical test
An experimental technique used to recover a solid from a solution
A term used to describe the fundamental particles of matter
A term for a group of atoms bonded together
A technique used to separate and investigate mixtures like inks

20 Clues: A scientific unit for measuring temperature • A term for a group of atoms bonded together • The likelihood that a hazard will cause harm • The random movement of particles observed in fluids • The yellow Bunsen burner flame used when not heating • The blue Bunsen burner flame used for intense heating • A potential source of harm or danger in the laboratory • ...

AP Chemistry 2026-05-22

Across

A method used to determine the concentration of an unknown solution by reacting it with a solution of known concentration.
The negative log of the hydrogen ion concentration.
Symbol for the equilibrium constant, a staple of Unit 7.
Device used to measure the heat flow of a chemical reaction.
State function that measures the thermal energy of a system per unit temperature that is unavailable for doing useful work (disorder).
A proton donor according to the Brønsted-Lowry definition.
The number that relates the average kinetic energy of particles in a gas to the temperature (Named after a famous Italian scientist).
Intermolecular force responsible for the high boiling point of water (2 words, squished).Symbol for the equilibrium constant, a staple of Unit 7.

Down

A substance that increases the rate of a chemical reaction by lowering the activation energy without being consumed.
A laboratory device used to precisely measure and transfer small volumes of liquid.
The amount of matter in an object, often measured in grams for stoichiometry.
A molecular orientation featuring a separation of positive and negative charges.
A unit of matter representation
Prefix relating to heat, energy, or thermodynamics.
The SI unit of energy
Branch of chemistry concerned with reaction rates (Abbr.).
The principle stating that if a dynamic equilibrium is disturbed by changing the conditions, the position of equilibrium shifts to counteract the change (Abbreviated/Squished).
Concentration unit defined as moles of solute per liter of solution.
An attractive force holding atoms together in a molecule (e.g., covalent, ionic).
A negatively charged ion that moves toward the anode in electrolysis.
A solution that resists changes in pH when a small amount of acid or base is added.

21 Clues: The SI unit of energy • A unit of matter representation • Prefix relating to heat, energy, or thermodynamics. • The negative log of the hydrogen ion concentration. • Symbol for the equilibrium constant, a staple of Unit 7. • Branch of chemistry concerned with reaction rates (Abbr.). • A proton donor according to the Brønsted-Lowry definition. • ...

Chemistry Revision 2026-06-10

Across

chemical that changes color with pH
a substance with pH less than 7
the lightest element, common in acids
substance that speeds up a reaction without being used
amount of substance in a solution
negatively charged particle in atoms
paper that turns red in acid and blue in base
having pH equal to 7
major component of air

Down

area that can affect reaction speed
affects how quickly reactions proceed
a scale that measures acidity or alkalinity
element that is shiny and conducts electricity
how fast a chemical reaction occurs
element central to organic life
product of an acid and a base
element needed for combustion and respiration
process where substances change into new ones
common metal in table salt
a substance that accepts protons or feels slippery

20 Clues: having pH equal to 7 • major component of air • common metal in table salt • product of an acid and a base • a substance with pH less than 7 • element central to organic life • amount of substance in a solution • area that can affect reaction speed • chemical that changes color with pH • how fast a chemical reaction occurs • negatively charged particle in atoms • ...

Chemistry 3 2026-06-17

Across

Spatial wavefunction describing electron distribution in a molecule, typically derived via linear combination of atomic orbitals.
Electronic correlation diagrams plotting ligand field splitting against interelectronic repulsion for d-electron configurations.
Science dealing with heat, work, entropy, and the spontaneity of macroscopic chemical transformations.
Combining power of an element, typically dictated by the number of electrons in its outermost shell.
Linear free-energy relationship correlating substituent electronic effects with reaction rates of benzene derivatives.
Common laboratory method of quantitative chemical analysis used to determine the unknown concentration of an identified analyte.
Repulsive spatial interactions resulting from overlapping electron clouds of non-bonded atoms or groups.
Method of describing delocalized electron structures by the linear combination of multiple contributing Lewis structures.
Photon emission from an electronically excited state not driven by thermal or radiative heat.
Study of the interaction between electromagnetic radiation and matter as a function of wavelength or frequency.
Electroanalytical category measuring faradaic current response as a function of an independently varied applied potential.
Different structural modifications of an element, such as diamond and graphite for carbon.
Volatility-based separation process separating components of a liquid mixture via selective boiling and condensation.
Field examining the structural and catalytic roles of metal ions in biological macromolecular systems.
Geometric property of a molecule having a non-superimposable mirror image, dictating optical activity.
Olefin redistribution reaction utilizing transition metal alkylidene catalysts like Grubbs or Schrock systems.
Electron-deficient species that accepts an electron pair from a nucleophile to establish a new chemical bond.
Analytical separation technique partitioning analytes between a stationary phase and a dynamic mobile phase.
Standard [4+2] cycloaddition forming a cyclohexene ring from a conjugated diene and a dienophile.
Concerted organic reaction class characterized by a cyclic transition state with simultaneous bond reorganization.
Analytical method ionizing chemical species and sorting the fragments based on their mass-to-charge ratio.
Microporous aluminosilicate mineral widely utilized as a shape-selective heterogeneous catalyst and molecular sieve.
Variants of a particular chemical element which differ in neutron number, useful in kinetic tracer studies.
Mathematical mixing of atomic orbitals to form new directional valence orbitals suitable for chemical bonding.

Down

Radiative spin-allowed relaxation from a singlet excited state to a singlet ground state.
Electron-rich chemical species that donates an electron pair to an electrophilic center to form a covalent bond.
Radiative decay from an excited triplet state to a singlet ground state, requiring forbidden intersystem crossing.
Chemical process reacting monomer molecules together in a chemical reaction to form three-dimensional networks or chains.
Catalytic system where the substrate and the catalyst exist in the same phase, usually liquid.
Fluid state beyond its critical temperature and pressure, exhibiting liquid-like density and gas-like diffusivity.
Organic compounds containing carbon and hydrogen joined in open chains, rather than aromatic rings.
Quantitative relationship between the relative quantities of substances taking part in a balanced chemical reaction.
Structural class of non-classical carbocations displaying three-center two-electron bonding characteristics.
One of a pair of stereoisomers that are non-superimposable mirror images of each other.
Chemical sub-discipline focusing on compounds containing at least one direct covalent bond between carbon and a metal.
High molecular weight polymer constructed via repeated covalent assembly of smaller monomeric units.
Experimental science determining the precise three-dimensional atomic arrangement within a crystalline solid.
Open chain molecule containing solely carbon and hydrogen without any stable aromatic stabilization.
Study of chemical reaction rates, transition states, and the microscopic step-by-step mechanisms of transformation.
Acceleration of a chemical reaction rate by a substance that is not consumed in the overall reaction.
Topological descriptor indicating the number of contiguous atoms in a ligand coordinated to a central metal.
Quantum mechanical approximation separating nuclear and electronic motion based on mass disparity.
Synthetic approach designed to selectively produce one enantiomer of a chiral product over another.
Thermodynamic effective pressure replacing ideal pressure to quantify chemical potential deviations in real gases.
Nucleophilic substitution or elimination reaction where the solvent molecule acts as the attacking nucleophile.
Foundational kinetic model for non-allosteric enzyme systems relating velocity to substrate concentration.
Discipline analyzing charge transfer across phase boundaries, linking macroscopic voltage to redox kinetics.

47 Clues: One of a pair of stereoisomers that are non-superimposable mirror images of each other. • Radiative spin-allowed relaxation from a singlet excited state to a singlet ground state. • Different structural modifications of an element, such as diamond and graphite for carbon. • ...

Organic Chemistry 2026-08-03

Across

Name of C₃H₆.
Description of hydrocarbons containing at least one carbon-carbon double bond.
Typical smell of esters.
Name of C₃H₈.
Compound formed when an alcohol reacts with a carboxylic acid.
Poisonous gas produced during incomplete combustion.
Product formed together with an alkane during cracking.
Process that joins many small molecules into a large molecule.
Word that completes the term "_____ group".
Homologous series containing at least one carbon-carbon double bond.
Catalyst used in the hydrogenation of alkenes.
Type of polymer formed from alkenes.
One product of the complete combustion of hydrocarbons.
Name of CH₄.
Term describing a series of compounds with similar chemical properties.
Reagent used to distinguish alkanes from alkenes.
Name of C₂H₅OH.
Reaction that converts an alkene into an alkane.
Reagent added to ethene to produce ethanol.
Name of C₂H₆.
Gas produced during fermentation.
Reaction in which atoms are added across a carbon-carbon double bond.

Down

Process used to produce ethanol from glucose.
Compound with the same molecular formula but a different structural formula.
Compound containing only carbon and hydrogen.
Description of hydrocarbons containing only single carbon-carbon bonds.
Process that breaks long-chain hydrocarbons into shorter molecules.
Name of C₄H₁₀.
Product formed when ethene reacts with steam.
Name of CH₃COOH.
Reaction in which ethanol forms ethanoic acid.
Polymer formed from ethene.
Polymer formed from propene.
Homologous series containing the -OH functional group.
Homologous series containing only single carbon-carbon bonds.
Type of bond that makes alkenes more reactive than alkanes.
Reaction between an alcohol and a carboxylic acid.
Colour change of bromine water when an alkene is present.
acid Homologous series containing the -COOH functional group.
Substance that speeds up a reaction without being used up.
Product formed when ethene reacts with hydrogen.
Reaction in which a substance burns in oxygen.
Name of C₂H₄.

43 Clues: Name of CH₄. • Name of C₃H₆. • Name of C₃H₈. • Name of C₂H₄. • Name of C₂H₆. • Name of C₄H₁₀. • Name of C₂H₅OH. • Name of CH₃COOH. • Typical smell of esters. • Polymer formed from ethene. • Polymer formed from propene. • Gas produced during fermentation. • Type of polymer formed from alkenes. • Word that completes the term "_____ group". • Reagent added to ethene to produce ethanol. • ...

Organic Chemistry 2026-08-03

Across

Name of C₂H₆.
Process that joins many small molecules into a large molecule.
Compound containing only carbon and hydrogen.
Name of C₃H₆.
Process used to produce ethanol from glucose.
Type of bond that makes alkenes more reactive than alkanes.
Name of C₄H₁₀.
Reaction that converts an alkene into an alkane.
Compound formed when an alcohol reacts with a carboxylic acid.
Gas produced during fermentation.
Description of hydrocarbons containing at least one carbon-carbon double bond.
Reaction in which ethanol forms ethanoic acid.
Product formed when ethene reacts with steam.
Reagent added to ethene to produce ethanol.
Polymer formed from ethene.
Poisonous gas produced during incomplete combustion.
Substance that speeds up a reaction without being used up.
Catalyst used in the hydrogenation of alkenes.
One product of the complete combustion of hydrocarbons.
Name of CH₄.
Compound with the same molecular formula but a different structural formula.
Reaction in which a substance burns in oxygen.
Reagent used to distinguish alkanes from alkenes.

Down

Colour change of bromine water when an alkene is present.
Polymer formed from propene.
Typical smell of esters.
acid Homologous series containing the -COOH functional group.
Product formed together with an alkane during cracking.
Reaction in which atoms are added across a carbon-carbon double bond.
Name of C₂H₅OH.
Homologous series containing at least one carbon-carbon double bond.
Description of hydrocarbons containing only single carbon-carbon bonds.
Type of polymer formed from alkenes.
Homologous series containing the -OH functional group.
Name of C₃H₈.
Product formed when ethene reacts with hydrogen.
Homologous series containing only single carbon-carbon bonds.
Reaction between an alcohol and a carboxylic acid.
Process that breaks long-chain hydrocarbons into shorter molecules.
Name of CH₃COOH.
Name of C₂H₄.

41 Clues: Name of CH₄. • Name of C₂H₆. • Name of C₃H₆. • Name of C₃H₈. • Name of C₂H₄. • Name of C₄H₁₀. • Name of C₂H₅OH. • Name of CH₃COOH. • Typical smell of esters. • Polymer formed from ethene. • Polymer formed from propene. • Gas produced during fermentation. • Type of polymer formed from alkenes. • Reagent added to ethene to produce ethanol. • Compound containing only carbon and hydrogen. • ...

5B Chemistry 2026-08-14

Across

music, los coquitos, welding, pace
workout, Ted, Oddysey, wrestling, football, baseball
play with pets, Bob's burgers, student gov, LIA
animals, pitch perfect, singing, musical theatre
run, swimming and water polo, golf
play games White Fang, TV broadcasting, Mariachi
video games, comics, Soccer, Latin music
Video games, running, gravity falls, the Matrix
music, reading, Interview with a vampire, Dracula
cheerleading, cheer on Netflix, History, Soccer
project hail mary, guitar, NHS, student gov
spiderman, student gov, tv broadcasting
video games, legos, piano, Project hail mary, debate
baking, the pitt, the platform, Art, swimming, water polo

Down

play games, my little pony, Coraline, Debate, volleyball
Delicious in Dungeon, Guitar, orchestra
play games, animals, lorax, panchiko music
music, spiderman, writing, football
colorguard, dance, Math, once upon a time
historical fantasy, Bluey, science, color guard
playing with pets, Spiderman, Baking, colorguard,
dance moms, winnie the pooh, tumbling, world history, cheer
reading, fantasy, seasons of the heart, French
skating, drawing, Gilmore Girls, Mean Girls, Math
pride and prejudice, singing, theatre, choir
sleep, Lunch, fiction
stuff, topics, action, lunch, good movies?????

27 Clues: sleep, Lunch, fiction • music, los coquitos, welding, pace • run, swimming and water polo, golf • music, spiderman, writing, football • Delicious in Dungeon, Guitar, orchestra • spiderman, student gov, tv broadcasting • video games, comics, Soccer, Latin music • colorguard, dance, Math, once upon a time • play games, animals, lorax, panchiko music • ...

Chemistry Vocab 2016-08-11

Across

a slender tube attached to or incorporating a bulb, for transferring or measuring out small quantities of liquid, especially in a laboratory.
a knife with a small, sharp, sometimes detachable blade, as used by a surgeon.
a type of flask used as an item of laboratory glassware.
a small adjustable gas burner used in laboratories.
a tall narrow container with a volume scale used especially for measuring liquids.
a fine mesh of thin wires woven closely together
a ventilated enclosure in a chemistry laboratory, in which harmful volatile chemicals can be used or kept.
cleansing solution for a person's eye.
a device that measures temperature or a temperature gradient

Down

fireproof or flameproof material for use in smothering small fires.
a graduated glass tube with a tap at one end, for delivering known volumes of a liquid, especially in titrations.
a metal stand consisting of a long upright rod attached to a heavy rectangular base that is used with rings and clamps for supporting laboratory apparatus.
a portable device that discharges a jet of water, foam, gas, or other material to extinguish a fire.
a lipped cylindrical glass container for laboratory use.
a protective or decorative garment worn over the front of one's clothes and tied at the back.
a container of water heated to a given temperature, used for heating substances placed in smaller containers.
protecting the eyes from glare, dust, water, etc.
a balance that generates a current proportional to the displacement of the pan
A safety shower is a piece of equipment designed to wash any chemicals that may have come into contact with the skin or clothing in a chemical spill.
an instrument used to see objects that are too small for the naked eye.
a flat ceramic or plastic plate containing small wells on which spot tests are made.
a flat heated surface (or a set of these), typically portable, used for cooking food or keeping it hot.
a thin glass tube closed at one end, used to hold small amounts of material for laboratory testing or experiments.

23 Clues: cleansing solution for a person's eye. • a fine mesh of thin wires woven closely together • protecting the eyes from glare, dust, water, etc. • a small adjustable gas burner used in laboratories. • a lipped cylindrical glass container for laboratory use. • a type of flask used as an item of laboratory glassware. • ...

Chemistry Bonding 2016-04-25

Across

structures/ formulas in which atomic symbols represent nuclei and inner-shell electrons, dot-pairs or dashes between two atomic symbols represent electron paris in covalent bonds, and dots adjacent to only one atomic symbol represent unshared electrons
covalent bond/ a bond formed by sharing three pairs of electrons
bonding/ the chemical bonding that results from the attraction between metal atoms and the surrounding sea of electrons
numbers/ Shows how many electrons can be shared, lost or gained to become stable; you cancel out the valence numbers to make the compound
ions/ They consist of a single atom with a positive or negative charge resulting from the loss or gain of electrons.
compound/ a compound that consists of positive and negative ions
polarity/ the uneven distribution of molecular charge
formula/ a representation of a substance using symbols for its constituent elements
covalent bond/ a covalent bond in which the bonding electrons are shared equally by the bonded atoms, resulting in a balanced distribution of electrical charge
bonding/ the intermolecular force in which a hydrogen atom that is bonded to a highly electronegative atom is attracted to an unshared pair of electrons of an electronegative atom in a nearby molecule
covalent bond/ a bond in which two atoms share two pairs of electrons

Down

covalent bond/ a covalent bond in which electrons are not shared equally
ions/ ions that are made of more than one atom
the simplest structural unit of an element or compound
formula/ a chemical formula showing the ratio of elements in a compound rather than the total number of atoms
covalent bond/ a bond formed when two atoms share a pair of electrons
bonding/ results from the sharing of electron pairs between two atoms
valence/ atoms gain more than 8 valence electrons
molecular compounds/ Non metal and a non metal has charges in the name
unit/ the simplest collection of atoms from which an ionic compound's formula can be established
energy/ the energy required to break a chemical bond and form neutral isolated atoms

21 Clues: ions/ ions that are made of more than one atom • valence/ atoms gain more than 8 valence electrons • polarity/ the uneven distribution of molecular charge • the simplest structural unit of an element or compound • covalent bond/ a bond formed by sharing three pairs of electrons • compound/ a compound that consists of positive and negative ions • ...

Chemistry Vocab 2016-09-30

Across

Matter that does not have a definite shape but definite volume
any part of sample with uniform composition and properties
the simplest form of matter that has a unique set of properties
A property that depends on the type of matter in a sample
a one or two letter representation of a element
mass can neither be created or destroyed
a substance present at the start of a reaction
Gaseous state of a substance of a liquid
A substance that contains two or more elements
A measure of the amount of matter an object contains
change A change during which some properties of a material change
a process that separates a solid from a liquid

Down

a solid that forms out of a liquid
matter that has a uniform and definite composition
matter with a indefinite shape and volume
Change A change that produces matter with a different composition
a quality or condition of a substance that can be observed or measured without changing the composition
a mixture that is not uniform
property A property that depends on the amount of matter in a sample
a homogeneous mixture that consists of solutes
a process used to separate dissolved solids from a liquid
a mixture that is uniform in composition
A measure of the space occupied by a sample of matter
a substance produced in a chemical reaction
a form of matter that has a definite shape and volume

25 Clues: a mixture that is not uniform • a solid that forms out of a liquid • a mixture that is uniform in composition • mass can neither be created or destroyed • Gaseous state of a substance of a liquid • matter with a indefinite shape and volume • a substance produced in a chemical reaction • a homogeneous mixture that consists of solutes • ...

Chemistry Vocab 2016-11-02

Across

a fourth state of matter distinct from a solid or liquid or gas; in stars and fusion reactors
Change from a liquid to a solid
a compound that has a pH of less than seven
a state of matter in which the object has a definite shape
ion OH, the conjugate base ion that is made during the self-ionization of water
able to be dissolved in a solute
Conversion of a liquid to a gas or vapor
has no fixed shape and takes on the shape of the container that they are in
No definite shape or volume
The change from a gas to a liquid
Change A transition of matter from one state to another

Down

point The temperature at which a solid becomes a liquid
a chemical reaction between an acid and base that produces water and a salt
The change of a liquid to a gas
a compound that has pH of more than seven
the minor component in a solution, dissolved in the solvent
ion H3O, the conjugate acid ion that is made during the self-ionization of water
Point The temperature at which a liquid changes to a gas
the liquid in which a solute is dissolved to form a solution
Law Describes the relationship between Pressure of a gas sample and its volume
unable or barely able to be dissolved in a solute
Law relates the temperature of a gas to its volume
the measure of how acidic or basic a solution is

23 Clues: No definite shape or volume • Change from a liquid to a solid • The change of a liquid to a gas • able to be dissolved in a solute • The change from a gas to a liquid • Conversion of a liquid to a gas or vapor • a compound that has pH of more than seven • a compound that has a pH of less than seven • the measure of how acidic or basic a solution is • ...

Chemistry Crossword 2015-11-17

Across

the amount of mass in a given volume of substance
The purte substances on the periodic table
Number of protons in a nucleus
Invisible negatively charged particle that orbits the neclues of an atom
A reaction that takes place when two or more substances form new substances
A Chemical reaction that absorbs heat energy
The most reactive element
When an element changes from one state to another
The table of Elements
Neutral particle in a nucleus of an atom
Most reactive non metal
An experiment in which is one or more products of a chemical reaction can escape
A Chemical reaction that releases heat energy
Gas, Solid and Liquid

Down

something that resists electricity
Smallest part of a element
A compound made from metal and non-metal
Slow chemical change that occurs when oxygen in the air reacts with metal
Change that results when two or more substances react to create a different substance or substances
The symbol of Oxygen
Change of state from solid to liquid
Change of state from liquid to solid
Water's chemical formula
Combining of pure substance
Vertical column of elements in the periodic table

25 Clues: The symbol of Oxygen • The table of Elements • Gas, Solid and Liquid • Most reactive non metal • Water's chemical formula • The most reactive element • Smallest part of a element • Combining of pure substance • Number of protons in a nucleus • something that resists electricity • Change of state from solid to liquid • Change of state from liquid to solid • ...

chemistry crosword 2015-11-17

Across

formula NaHCO3
charge the amount of electrons in a cell
gases least reactive elements
middle of non-metals and metals
rows on periodic table of elements
sometimes Latin, sometimes first two letters
columns on periodic table of elements
two metals or two non-metals
affects the rate of reaction
typically hard, shiny and a solid
most reactive elements
number number on the top left of element tile

Down

mass number at the bottom of element tile
reaction when the reactants change colour, odour or temperature
compound a compound with a metal and non-metal
causes a faster reaction
an organic based catalyst
table the diagram where it displays all the elements
not a good conductor
area can increase the rate of reaction
system a system where all reactants are accounted for
substances that help a reaction proceed faster
reaction when the reactants change state
rate how fast two reactants react
system a system where all the reactants are not accounted for

25 Clues: formula NaHCO3 • not a good conductor • most reactive elements • causes a faster reaction • an organic based catalyst • two metals or two non-metals • affects the rate of reaction • middle of non-metals and metals • gases least reactive elements • typically hard, shiny and a solid • rows on periodic table of elements • rate how fast two reactants react • ...

Chemistry Crossword 2015-11-17

Across

A substance formed by corroding
a specified material conducts electricity
a solid changes state in a point from solid to liquid
an element or substance that is not a metal
Absorption of heat
Vertical columns in the periodic table
What's on the Periodic Table
an atom or molecule with a electric charge due to loss/gain of 1 or more electron
Basic building blocks of matter
any property that is measurable
A neutral particle in the nucleus of an atom
Release of heat
the representation of a word

Down

the point where the liquid boils
a horizontal row of the periodic table
degree of consistency measured by the quantity of mass per unit volume
a stable particle occurring in all atomic nuclei
a compound regarded as a union of molecules
A Solid material with good electrical and thermal conductivity.
the properties are intermediate between metals and non-metals
A opened material which is losing or gaining from the environment
a physical substance
a stable particle with a charge of negative electricity
Property that is possessed by an object. You paint with many different _____

24 Clues: Release of heat • Absorption of heat • a physical substance • What's on the Periodic Table • the representation of a word • A substance formed by corroding • Basic building blocks of matter • any property that is measurable • the point where the liquid boils • a horizontal row of the periodic table • Vertical columns in the periodic table • ...

Chemistry Crossword 2015-11-17

Across

Absorbs heat energy
The smallest part of an element that is representative of that element
The speed of chemical reaction
A pure substance formed when at least one metal and one non-metal combines
Total mass of reactants/Total mass of products
Occurs when oxygen in air reacts with a substance to form a new one and gives off heat
Releases heat energy
Ions with a positive charge
Neutral particles
A new substance produced between reactants
A group of atoms acting as one
A substance that reacts with another substance to create a new substance with different products/properties
Slow chemical change that occurs when in the air reacts with a metal

Down

Makes place in the cells in your body
Anything on the periodic table that is only made up of one type of atom
Positively charged particles in the nucleus
One or more products can escape
All reactants and all products are accounted for
The average mass of an element in atomic mass units (amu)
A combination of symbols that represent a compound and the amount
A compound formed when two non-metals combine
An atom or a group of atoms that has become electrically charged because it has lost or gained electrons
Ions with a negative charge
Chemical combination of two or more elements in a specific ratio
The amount of proton it has

25 Clues: Neutral particles • Absorbs heat energy • Releases heat energy • Ions with a negative charge • The amount of proton it has • Ions with a positive charge • The speed of chemical reaction • A group of atoms acting as one • One or more products can escape • Makes place in the cells in your body • A new substance produced between reactants • Positively charged particles in the nucleus • ...

chemistry crossword 2015-11-19

Across

formula combination of symbols that represent a compound
shells orbit of electrons around the nucleus of an atom
atom that has become electrically charged because it has lost or gained elections
change change in the appearance or state of a substance that does not change the composition
substance is only made up of one matter
chemical reaction that releases energy
is also a cloudy mixture but the particles are to small that its cannot be separated easily
mixture mixture in which the different substances that make up the mixture visible
number its the sum of the number of protons and neutrons in an atom
substance that reacts with another substance in a chemical to create a new substance
ions group of atoms acting as one
positive charged particle in the nucleus of an atom
compound pure substance formed when at least one metal and one non metal combine

Down

group of atoms joined by covalent bonds
vertical column of elements in the periodic table
is a cloudy mixture in which tiny particles of one substance are held within another
property description of how substance interacts with other substance
reaction chemical reaction that absorbs energy
gas group 18 elements in the periodic table the most stable and unreactive elements
shiny,malleable,ductile element that conducts electricity
change when the results of 2 substance created a new substance but a different substance from the first 2
chemical combination of 2 or more elements in a specific ratio
number number of protons in the nucleus of one atom of an element
horizontal row of elements in the periodic table

24 Clues: ions group of atoms acting as one • chemical reaction that releases energy • group of atoms joined by covalent bonds • substance is only made up of one matter • reaction chemical reaction that absorbs energy • horizontal row of elements in the periodic table • vertical column of elements in the periodic table • positive charged particle in the nucleus of an atom • ...

Chemistry Crossword 2015-11-19

Across

In which a stable subatomic particle has a charge of negative electricity.
The process in which a liquid state alternates into a gaseous category.
A comprehensive plan for providing information on the safe use of hazardous materials in workplaces around the world.
The quality of something in which it can be shaped and formed into something different/else without breaking; an example such as a substance that can turn over and over into sheets.
It is present within all atomic nucleus(nuclei)excluding those of habitual hydrogen.
A solid object’s ability to distort under tensional stress such as taking the shape of a long wire or circular formation.
In which a stable subatomic particle that occurs in all atomic nuclei containing a positive electric charge.
In which a new substance is created, but makes or breaks the bonds between atoms.
A negatively charged ion[s].
The conversion of a gas/vapor to a fluid.
More than 100 substances that can’t broken down into smaller substances due to being primary constituents of matter.
The temperature at which a given solid will melt.

Down

A solid object that appears shiny, fusible, ductile and malleable with exceptionally grand thermal and electrical conductivity.
These elements are found in Column 18.
This determines the chemical properties of an element and its place in the periodic table.
The temperature at which a liquid boils and turns to vapor; almost as if it were a human emotion such as great anger or intense excitement bursting out in a way.
This is approximately equivalent to the number of protons and neutrons in the atom.
In which no new substances are created, but affect the form of the chemical substance yet not its chemical composition.
An element which has properties that are intermediate between those known as metals and nonmetals; they can be referred to as electrical semiconductors.
In which a solid transpires into a gas without crossing through the liquid stage.
A positively charged ion[s].
The degree of compactness/consistency of a substance.
A physical substance which occupies space and possesses rest mass.
a simplistic unit of an element as well as an incredibly petite quantity of an object or characteristic.
A shining object; typically radiant or luminous in brightness.

25 Clues: A positively charged ion[s]. • A negatively charged ion[s]. • These elements are found in Column 18. • The conversion of a gas/vapor to a fluid. • The temperature at which a given solid will melt. • The degree of compactness/consistency of a substance. • A shining object; typically radiant or luminous in brightness. • ...

Chemistry Crossword 2015-11-19

Across

The temperature at which a liquid boils and turns to vapor; almost as if it were a human emotion such as great anger or intense excitement bursting out in a way.
The temperature at which a given solid will melt.
In which no new substances are created, but affect the form of the chemical substance yet not its chemical composition.
The quality of something in which it can be shaped and formed into something different/else without breaking; an example such as a substance that can turn over and over into sheets.
More than 100 substances that can’t broken down into smaller substances due to being primary constituents of matter.
It is present within all atomic nucleus(nuclei)excluding those of habitual hydrogen.
The conversion of a gas/vapor to a fluid.
A shining object; typically radiant or luminous in brightness.
This is approximately equivalent to the number of protons and neutrons in the atom.
The process in which a liquid state alternates into a gaseous category.
The degree of compactness/consistency of a substance.

Down

An element which has properties that are intermediate between those known as metals and nonmetals; they can be referred to as electrical semiconductors.
These elements are found in Column 18.
A negatively charged ion[s].
A positively charged ion[s].
This determines the chemical properties of an element and its place in the periodic table.
A comprehensive plan for providing information on the safe use of hazardous materials in workplaces around the world.
A solid object’s ability to distort under tensional stress such as taking the shape of a long wire or circular formation.
In which a solid transpires into a gas without crossing through the liquid stage.
In which a new substance is created, but makes or breaks the bonds between atoms.
In which a stable subatomic particle has a charge of negative electricity.
A physical substance which occupies space and possesses rest mass.
A solid object that appears shiny, fusible, ductile and malleable with exceptionally grand thermal and electrical conductivity.
In which a stable subatomic particle that occurs in all atomic nuclei containing a positive electric charge.
a simplistic unit of an element as well as an incredibly petite quantity of an object or characteristic.

25 Clues: A negatively charged ion[s]. • A positively charged ion[s]. • These elements are found in Column 18. • The conversion of a gas/vapor to a fluid. • The temperature at which a given solid will melt. • The degree of compactness/consistency of a substance. • A shining object; typically radiant or luminous in brightness. • ...

Chemistry Crossword 2015-11-22

Across

Neutral particle in the nucleus of an atom.
Pure substance formed when at least one metal and one non-metal combine.
An experiment in which all reactants and all products of a chemical reaction do not escape.
An experiment in which one or more products of a chemical reaction can escape.
Cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance.
Element that can be between a metal and a non-metal.
Group of atoms joined by covalent bonds.
Mixture in which the different substances that make up the mixture are visible.
Catalyst involved in chemical reactions in living things.
Pure substance that cannot be broken down into other substances.
A reaction that takes place when two or more substances react to form new substances.

Down

Chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy.
Vertical columns of elements in the periodic table.
Pure substance formed when non-metals combine.
A neutral particle made up of a nucleus containing protons and neutrons.
Orbit of electrons around the nucleus of an atom.
Slow chemical change that occurs when oxygen in the air reacts with a metal.
Description of how a substance interacts with other substances, such as acids.
Atom that has become electrically charged because it has lost or gained electrons.
Substance that helps a chemical reaction to proceed more quickly.
Mass of one atom of an element.
Number of protons in the nucleus of one atom of an element.
Invisible negatively charged particle that orbits the nucleus of an atom.
Anything that has mass and occupies space.
Positively charged center of an atom that contains neutrons and protons.

25 Clues: Mass of one atom of an element. • Group of atoms joined by covalent bonds. • Anything that has mass and occupies space. • Neutral particle in the nucleus of an atom. • Pure substance formed when non-metals combine. • Orbit of electrons around the nucleus of an atom. • Vertical columns of elements in the periodic table. • ...

chemistry crossword 2015-11-24

Across

characteristics that describe a particular substance (e.g. colour, lustre, melting point)
group 1 elements in the periodic table, not including hydrogen
change in the appearance or state of a substance that does not change the composition
pure substance formed when at least one metal and one non-metal combine
anything that has mass and occupies space
pure substance formed when non-metals combine
netrual particle in the nucleus of an atom
vertical column of elements in the periodic table
positively charged centre of an atom; contains protons and neutrons
a system of easy-to-see warning symbols on hazardous materials

Down

horizontal row of elements in the periodic table
positively charged particle in the nucleus of an atom
a table in which the elements are organized by their physical and chemical properties
group 17 elements in the periodic table
combination of symbols that represent a compound
occurs when two or more materials react and create new materials
the ability of a substance to conduct electricity or heat
mass of one atom of an element calculated from the total number of protons, neutrons, electrons of that atom
a chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
made of only one kind of matter
amount of mass in a given volume of a substance
group of atoms joined by covalent bonds
group of atoms acting as one
a reaction that takes place when two or more substances react to form new substances
measure of one atomic mass

25 Clues: measure of one atomic mass • group of atoms acting as one • made of only one kind of matter • group 17 elements in the periodic table • group of atoms joined by covalent bonds • anything that has mass and occupies space • netrual particle in the nucleus of an atom • pure substance formed when non-metals combine • amount of mass in a given volume of a substance • ...

Chemistry Crossword 2015-11-19

Across

chemical combination of two or more elements in a specific ratio
a substance that helps a chemical reaction that proceed more quickly
group 18 on the periodic table
substance made of only one kind of matter
an organic catalyst
most reactive non meta
a chemical that releases heat
positively charged particle
a combination of symbols that represent a compound
a reaction that takes place when two or more substances react to make a new substance
negatively charged particle
atomic number 8 on the periodic table
the horizontal column on the periodic table
an atom that has been electrically charged

Down

an element with both metal and non metal properties
most stable and nonreactive elements
the result of a chemical reaction when a new substance is formed
vertical column of elements on the periodic table
two nonmetals combined
slow chemical change that occurs when oxygen in the air reacts with metals
how many protons are in the nucleus
neutral
a chemical reaction that absorbs energy
two metals combined
a solution in which water is the solvent

25 Clues: neutral • an organic catalyst • two metals combined • two nonmetals combined • most reactive non meta • positively charged particle • negatively charged particle • a chemical that releases heat • group 18 on the periodic table • how many protons are in the nucleus • most stable and nonreactive elements • atomic number 8 on the periodic table • a chemical reaction that absorbs energy • ...

Chemistry Crossword 2015-11-19

Across

Chemical reaction involving oxygen, fuel and heat
Workplace hazardous materials information system
Subatomic particle with no electrical charge
reaction that occurs when two or more substances combine to form a new substance
number of protons in one atom of an element
Stands for atomic mass unit
most reactive metals
group 18 in the periodic table, the most stable and unreactive elements

Down

A substance can be rolled into sheets
substance that electric charge can move through easily
an experiment in which the products can escape but are still accounted for
Subatomic particle in the nucleus with positive charge
combination of symbols that represent a compound
negatively charged particle around the nucleus of an atom
Chemical reaction
Smallest part of an element
experiment in which all the products are there and accounted for
Chemical reaction that releases heat
substance that resists the flow of electrons
solution in which water is the solvent
combination of two or more elements
amount of mass in a given volume of a substance
low chemical change that occurs when oxygen reacts with metals
description of a solid that can be stretched into long wires
A substance that helps to speed up a chemical reaction

25 Clues: Chemical reaction • most reactive metals • Smallest part of an element • Stands for atomic mass unit • combination of two or more elements • Chemical reaction that releases heat • A substance can be rolled into sheets • solution in which water is the solvent • number of protons in one atom of an element • Subatomic particle with no electrical charge • ...

Chemistry Crossword 2015-11-19

Across

when a non metal combines a pure substance
the total number of protons and neutrons in a nucleus.
system a closed system is a physical system that doesn't exchange any matter with its surroundings
a cloudy mixture that cant be separated
the most stable and nonreactive elements
A physical property is any property that is measurable, whose value describes a state of a physical system
mixture the different substance that make up the mixture visible
A material that is composed of only one type of particle
make or become liquefied by heat.
physical substance in general, as distinct from mind and spirit; (in physics) that which occupies space and possesses rest mass, especially as distinct from energy.
each horizontal line in a periodic table
is a cloudy mixture in which tiny particles of one substance are held within each other
water that collects as droplets on a cold surface when humid air is in contact with it.

Down

a solid liquid or gas
are shiny malleable and ductile
Chemical change is any change that results in the formation of new chemical substances
have both metal non metals propetries
most reactive metals
most reactive non metals
A physical change is a change in which no new substances are formed
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 new material produced by reaction
a part or aspect of something abstract, especially one that is essential or characteristic.
Sublimation is a chemical process where a solid turns into a gas without going through a liquid stage
the branch of science that deals with the identification of the substances of which matter is composed
Workplace Hazardous Materials Information System
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 different substance that make it up are not separately visible

28 Clues: most reactive metals • a solid liquid or gas • most reactive non metals • are shiny malleable and ductile • make or become liquefied by heat. • have both metal non metals propetries • the new material produced by reaction • a cloudy mixture that cant be separated • the most stable and nonreactive elements • each horizontal line in a periodic table • ...

Chemistry Crossword 2015-11-19

Across

- Primary constituents of matter
- Medieval forerunner of chemistry
- Cloudy mixture; not easily separated
- Stretch into a long wire
- Organic catalyst
- Cloudy Mixture; easily separated
- Subatomic particle with a positive charge
- Reactive; Non-metallic
- Basic unit of a chemical element
- Subatomic particle without a charge
- Helps a reaction proceed faster
- Reaction accompanied by the absorption of heat
- Has mass and occupies space
- Consisting of many atoms

Down

- Intermediate properties between Metals and solid Non-metals
- Oxygen reacts with a substance to form a new substance
- Vertical Column
- Composed of two or more elements
- Directly from solid to gas
- Undergoes change during a reaction
- Horizontal row
- Can be Pounded or rolled into sheets
- Reaction accompanied by the release of heat
- Subatomic particle with a negative charge
- A minute portion of matter

25 Clues: - Horizontal row • - Vertical Column • - Organic catalyst • - Reactive; Non-metallic • - Stretch into a long wire • - Consisting of many atoms • - Directly from solid to gas • - A minute portion of matter • - Has mass and occupies space • - Primary constituents of matter • - Helps a reaction proceed faster • - Medieval forerunner of chemistry • - Composed of two or more elements • ...

chemistry crossword 2015-11-13

Across

shiny, malleable, ductile element that conducts electricity.
elements that has both metallic and nonmetallic properties.
change that results when two or more substances react.
group 2 elements in the periodic table; not including hydrogen; there reactivity is not as strong as alkaline metals.
The smallest part of an element.
group 18 elements in the periodic table; the most stable and unreactive material.
pure substance that cannot be broken down into other substances.
homogeneous mixture; mixture of two or more pure substances that looks like one substance.
change in appearance or state of a substance that does not change composition.
cloudy mixture in which tiny particles of one substance are held in another and can be separated.
chemical combination of two or more elements in a specific ratio.
positively charged particle in the nucleus of an atom.
neutral particle in the nucleus of an atom.
the point in temperature that an element starts to boil.
the point in temperature that an element starts to melt.

Down

combination of pure substances; unlike a compound.
a substance that is made of only one kind of matter.
heterogeneous mixture; mixture in which the different substances that make up the mixture are visible.
mass of one atom of an element calculated from the total number of protons,neutrons, and electrons of that atom; measured in atomic mass units (amu).
orbit of electrons around the nucleus of an atom.
number of protons in the nucleus of one atom of an element.
a table in which the elements are organized by their physical and chemical properties.
cloudy mixture in which tiny particles of one substance are held in another and cannot be separated
invisible negatively charged particle that orbits the nucleus of an atom.
dull,brittle element that does not conduct electricity.

25 Clues: The smallest part of an element. • neutral particle in the nucleus of an atom. • orbit of electrons around the nucleus of an atom. • combination of pure substances; unlike a compound. • a substance that is made of only one kind of matter. • change that results when two or more substances react. • positively charged particle in the nucleus of an atom. • ...

chemistry crossword 2016-02-26

Across

Neutral particle in the nucleus of a atom.
The smallest part of an element that is representative of an element.
An experiment where one or more products can escape.
An experiment where all the reactants are in a closed place.
Ability of a substance to conduct electricity or heat.
Amount of mass in a given volume of a substance.
Change that results when two or more substances react to create a different substance.
Combination of symbols that represent a compound.
Description of how a substance interacts with another.
a type of matter with a fixed composition
Shiny, malleable, ductile element that conducts electricity.

Down

A positively charged particle in the nucleus of a atom.
Group 18 in the periodic table of elements; the most stable and unreactive elements.
Chemical combination of two or more elements in a specific ratio.
Positively charged centre of a atom.
Substance that helps a chemical reaction to proceed more quickly.
Number of protons in the nucleus of one atom of an element.
Mass of one atom of a element.
Group of very reactive metals.
A reaction that takes place when two or more substances react to make a different one.
Element that has both metallic and non-metallic properties.
Contains 2 or more gases, liquids, or solids substances blended evenly
Cloudy mixture in which tiny particles of one substance are held within another.
It changes its appearance but not its composition.
Dull, brittle element that doesn't conduct electricity.
Invisible negatively charged particle that orbits the nucleus of a atom.

26 Clues: Mass of one atom of a element. • Group of very reactive metals. • Positively charged centre of a atom. • a type of matter with a fixed composition • Neutral particle in the nucleus of a atom. • Amount of mass in a given volume of a substance. • Combination of symbols that represent a compound. • It changes its appearance but not its composition. • ...

Chemistry Crossword 2015-10-25

Across

Anything that has mass and takes up space
The amount of matter in a object
How hot or cold something is
A change in which energy is released
A characteristic of a substance that describes its ability to change into different substances
2 or more substances that are together in the same place but their atoms are chemically bonded
A force of attraction between 2 atoms
The total energy of all the particles in an object
A characteristic of a substance that can be observed without changing into another substance
A substance that cannot be broken down into any other substance by chemical or physical means
Measure of the mass of a material in a given volume

Down

The study of matter and how it changes
the amount of space that matter occupies
a change in which energy is absorbed
The basic particle in which all elements are made of
A group of 2 or more atoms held together by chemical bonds
A single type of matter that is pure, meaning it always has a specific make up or composition
A substance made of 2 or more elements that are chemically combined in a set ratio
Alters the form or appearance of matter but does not turn any substance in the matter into a different substance
The measure of force of gravity on an object

20 Clues: How hot or cold something is • The amount of matter in a object • a change in which energy is absorbed • A change in which energy is released • A force of attraction between 2 atoms • The study of matter and how it changes • the amount of space that matter occupies • Anything that has mass and takes up space • The measure of force of gravity on an object • ...

Chemistry Reveiw 2016-02-11

Across

made of atoms, simplest substances
neutral charge
thin layer of gold, silver, or other metals around an object
a substance that takes part in change during a reaction
the principle that matter can't be created or destroyed
absorbs energy
Russian chemist, created periodic table
number of protons in the nucleus
located in far right group of elements
what makes up elements
circles around nucleus
conductors of electricity

Down

row (horizontal)
gives off energy
positive charge
positively charged center
short representation of an element
outermost electron(s)
recombination of atoms
weight of element
substance formed when 2 or more elements chemically bond
nonmetallic element, has some properties of a metal
an element not having the character of a metal
negative charge
smallest particle in a chemical element
column (vertical)

26 Clues: neutral charge • absorbs energy • positive charge • negative charge • row (horizontal) • gives off energy • weight of element • column (vertical) • outermost electron(s) • recombination of atoms • what makes up elements • circles around nucleus • positively charged center • conductors of electricity • number of protons in the nucleus • made of atoms, simplest substances • ...

Chemistry crossword 2016-02-11

Across

little pieces in the elements
weight of atom
small, simple atom with very few electrons
metal like element that is liquid at room temperature
neutral charged part of atom
reaction that absorbs heat
outermost electron
reaction that releases heat
positive charged piece in an atom
Russian chemist
one or two letters that are used to show an element
outcome of chemical reaction
track that electrons follow
category of elements

Down

shiny and conductive element
a rule that states mass cannot be destroyed
center part of an atom
mixture of non chemically bound elements
a chemical reaction that attaches a metal to the surface of an object
metal non conductive ductile element
number of protons in the nucleus
negative charged part of atom
has atoms in it
solid that causes reaction
pure substance
single element

26 Clues: weight of atom • pure substance • single element • Russian chemist • has atoms in it • outermost electron • category of elements • center part of an atom • reaction that absorbs heat • solid that causes reaction • reaction that releases heat • track that electrons follow • shiny and conductive element • neutral charged part of atom • outcome of chemical reaction • ...

Chemistry Crossword 2015-12-02

Across

invisible negatively charged particle that orbits the nucleus of an atom
an experiment in which all reactants and all products of a chemical reaction are accounted for
the amount of mass in a given volume of substance
positively charged center of an atom
mass of a substance tha can dissolve in a given amount of solvent to form a saturated solution at a given temperature
description of a solid that can be stretched into a long wire
description of a substance that can be pounded or rolled into sheets
change in appearance or state of a substance that does not change the comopsition
substances that helps a chemical reaction to proceed more quickly
is the ability of a substance to conduct electricity or heat
number of protons in a nucleus of one atom of an element
change of state from a liquid to a solid

Down

orbit of electrons around the nucleus of an atom
anything that has mass and occupies space
chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
measure of atomic mass
change of state from a gas to a liquid
the smallest part of an element that is a representative of that element
change of state from a liquid to a gas
slow chemical change that occurs when oxygen in the air reacts with metal
ability to do work
group of 17 elements in the periodic table
change of state from a solid to a liquid

23 Clues: ability to do work • measure of atomic mass • positively charged center of an atom • change of state from a gas to a liquid • change of state from a liquid to a gas • change of state from a solid to a liquid • change of state from a liquid to a solid • anything that has mass and occupies space • group of 17 elements in the periodic table • ...

Chemistry crossword 2015-12-01

Across

A vertical column in the period table
Physical substance in general
A mixture that is composed of 2 separate elements
Firm and stable in shape
More than one hundred substances that cannot be chemically inter converted or broken down into simpler substances
Tending to cause corrosion
Is a cloudy mixture in which tiny particles of one substance are held within another
Is a combination of pure substances
A subatomic particle of about the same mass as a proton but without an electric charge
A cloudy mixture, but the particles of the suspended substance are so small that they cannot be easily separated out from the other substance
Able to shatter violently apart
A substance that could be pounded or rolled into sheets
Characteristics that can be used to describe a substance

Down

When liquid mixtures are combined to create a major compound
A solid matter that is typical hard
The condition of being hard
Any solid that could be stretched into a long wire
A horizontal column in the period table
A chemical property referring to the ability for a given substance
Make something liquefied by heat
It is a chemical process where a solid turns into a liquid without the liquid stage
Poisonous
The freezing point of water
The compactness of a substance
It is a charged particle

25 Clues: Poisonous • Firm and stable in shape • It is a charged particle • Tending to cause corrosion • The condition of being hard • The freezing point of water • Physical substance in general • The compactness of a substance • Able to shatter violently apart • Make something liquefied by heat • A solid matter that is typical hard • Is a combination of pure substances • ...

Chemistry Unit 2016-02-10

Across

The smallest individual part of a molecule.
An Element that shows no sign of metal in it. (Has no properties of either metal or non-metals)
Anumber in the bottom center of the elements space on the Periodic Table. (63.545- Copper)
Rows on the Periodic Table
Has a Neutral Charge.
Has a Negative Charge.
Chemical change of cold
The Electron on the outer ring of the element. (2,8,8,2).
All the gases on the Periodic table (Hydrogen, Helium, etc)
Orbitals are regions of space around the nucleus of an atom where an electron is likely to be found.
the Number at the center top of the elements space in the Periodic Table. (29- Copper)
We did a lab about this. Metal was _________
Composed of 2 or more parts
Is the ball of Positive and Negative charge in the center of the atom.

Down

a thing in the Periodic Table of Elements (rock or gas or metal, etc)
Substance obtained by another substance
Elements that form cations when compounds.
system subjected to external force
Chemical change of hot
Has a Positive Charge.
The two letters that represent each element on the periodic table. (CU- Copper)
Inventor of the Periodic Table.
Elements that have no signs of metal in them (Gases)
Is a column of elements in the periodic table of the chemical elements.
Quantity of Substance
Substance the undergoes a chemical change

26 Clues: Has a Neutral Charge. • Quantity of Substance • Chemical change of hot • Has a Positive Charge. • Has a Negative Charge. • Chemical change of cold • Rows on the Periodic Table • Composed of 2 or more parts • Inventor of the Periodic Table. • system subjected to external force • Substance obtained by another substance • Substance the undergoes a chemical change • ...

Chemistry Crossword 2016-02-10

Across

poor conductors of heat, brittle
all have full outer shells
what is left after a reaction
Russian chemist that formulated periodic law
smallest piece of an atom in an element
have the same amount of shells
states that any matter can be changed but the mass will never change
cold reaction where energy is being absorbed
space outside the nucleus where electrons may exist
the mass of an atom
what we put into a reaction
reaction where a layer of metal is bonded to the surface of another substance
shorter name for an element

Down

pure substance that's made of 2 or more different kinds of atoms
particles with no charge
mix of metal and non metal
center of an atom
smallest particle in element or compound
electrons in the outermost orbital
how many protons and electrons an element has
negatively charged particles
hot reaction where energy is being released
pure substance that has one kind of atom
solid, shiny, good conductors of heat
positively charged particles
all have the same amount of valence electrons

26 Clues: center of an atom • the mass of an atom • particles with no charge • mix of metal and non metal • all have full outer shells • what we put into a reaction • shorter name for an element • negatively charged particles • positively charged particles • what is left after a reaction • have the same amount of shells • poor conductors of heat, brittle • electrons in the outermost orbital • ...

Chemistry Crossword 2016-02-10

Across

a positive charge
on the periodic table, vertical column down
clump of protons and neutrons, in the middle of an atom
the smallest component of a chemical
a neutral charge
an isolated system is neither created nor destroyed by chemical reactions
brittle, not malleable, not a good conductor of electricity
circle of electrons around the nucleus (2,8,8,2)
mass of an element
the two letters to represent the element
substance made of 2+ different kinds of atoms
made the first periodic table
does not mix with other elements, neon & helium are examples
energy is absorbed, cool

Down

what comes out of a chemical reaction
a negative charge
good conductor of electricity, malleable
reaction when a layer of metal is bonded to another substance, typically another metal
on the periodic table, horizontal rows across
energy is released, heat
outer circle of of electrons
number of protons and neutrons in the nucleus
pure subastance, periodic table
mix between metal and non-metal
combination of atoms together
what you out into a chemical reaction

26 Clues: a neutral charge • a positive charge • a negative charge • mass of an element • energy is released, heat • energy is absorbed, cool • outer circle of of electrons • made the first periodic table • combination of atoms together • pure subastance, periodic table • mix between metal and non-metal • the smallest component of a chemical • what comes out of a chemical reaction • ...

Chemistry crossword 2016-02-10

Across

negatively charged particle
smallest component of an element
elctron located outermost shell of atom (2 words)
a wave describing state of single electron in atom
mass of an element (2)
a substance obtained from another substance through chemical Change
columns on the pt of elements
group on pt including all alkali metal, alkaline earth metals and others
substance composed of two or more elements whose constant
chemical change with heat going in
particle with no charge
was a Russian chemist (2 words)
1 or 2 letters referred to elements

Down

chemical change with heat going out
positively charged particle
includes helium, neon,argon, krypton, xenun, radon
law saying that mass in isolated system is neither created or destroyed by chemical change
horizontal row of elements on pt
group including boron, silicon, germanium, arsenic, antimony, tellurium
number of electrons or protons (2)
coating or layer of material esp mass
one class substances that can't be separated simpler
central part of atom
any substance that undergoes chemistry change in given reaction
smallest physic, unit of an element of compound w/ one or more atoms
includes carbon, nitrogen, oxygen, phosphorus, sulfur, and selenium

26 Clues: central part of atom • mass of an element (2) • particle with no charge • positively charged particle • negatively charged particle • columns on the pt of elements • was a Russian chemist (2 words) • smallest component of an element • horizontal row of elements on pt • number of electrons or protons (2) • chemical change with heat going in • chemical change with heat going out • ...

Chemistry Crossword 2017-02-05

Across

A substance that can accept of neutralise hydrogen ions.
A molecule that can donate a proton or accept a pair of electrons in reactions.
A positively charged particle.
Damage caused to a metal or stone.
The process of decay.
A fast chemical combination of a substance with oxygen.
Where substances act with each other, or change into a new substance.
A compound with chemical properties.
A particle that has lost or gained one or more electrons.
The power of combined elements.
A non-charged /neutral particle.
Elements that occupy a column on the periodic table.
A negatively charged ion.

Down

Elements that occupy a horizontal row on the periodic table.
A positively charged ion.
The result of a chemical reaction.
The process of precipitating a substance from a solution.
The bond of two or more elements.
A negatively charged particle.
A substance that speeds or slows down a reaction without getting involved.
A combination of element symbols.
a substance that is added to cause a chemical reaction,
A particle that makes up everything.

23 Clues: The process of decay. • A positively charged ion. • A negatively charged ion. • A positively charged particle. • A negatively charged particle. • The power of combined elements. • A non-charged /neutral particle. • The bond of two or more elements. • A combination of element symbols. • The result of a chemical reaction. • Damage caused to a metal or stone. • ...

CONSUMER CHEMISTRY 2017-01-26

Across

Used in preference of water as a main ingredient of perfume that dissolves esters readily.
Can be ddictive to skin tissues and has no benefit to them.
This means "burnt material".
It clogs the pores and interferes with the skin's ability to eliminate toxins.
Used to carry active ingredients in transdermal that patches deep inside the skin.
They are also called skin therapists, specialize in treatments of skin.
Used as emulsifying, thickening, suspensing and dispersing agent.
color of the first cotton dye
Has a natural insecticide called Pyrethum that terminates insects.
The most widely use preservative in cosmetics but it is not listed on the product's ingredients.
The oldest dye used by humans.
The first synthetic dye
Used in cosmetics to absorb moisture but can cause cancer to men and women.
Substitute to vegetable dye.
The largest organ in the human body.

Down

First alloy that was made by humans.
Soduim Hydroxide.
A natural mosquito repellent that is 10 times more effective than DEET.
It is a carcinogen that is the major cause of ovarian cancer.
John Mercer : Mercerzation :: Tennant :_________
A mordant dye use of ________ to bind dye molecule with fiber.
A derivative of crude oil.
They have been identified as hormone-mimicking chemicals.
The alkaline hydrolysis of fat is called as _________.
This term refers to ceramic pieces that have not been fired.
A substance that adds odor to products.
Basically refer to the colored products intended to alter the user's appearance.
A recommendation of WHO for protection against mosquitoes that does not irritate skin.
Not a true wax but usually added in beeswax in cosmetics.
The second basic dye discovered.

30 Clues: Soduim Hydroxide. • The first synthetic dye • A derivative of crude oil. • This means "burnt material". • Substitute to vegetable dye. • color of the first cotton dye • The oldest dye used by humans. • The second basic dye discovered. • First alloy that was made by humans. • The largest organ in the human body. • A substance that adds odor to products. • ...

CONSUMER CHEMISTRY 2017-01-26

Across

The second basic dye discovered.
Used in cosmetics to absorb moisture but can cause cancer to men and women.
Used to carry active ingredients in transdermal that patches deep inside the skin.
Not a true wax but usually added in beeswax in cosmetics.
The alkaline hydrolysis of fat is called as _________.
Used as emulsifying, thickening, suspensing and dispersing agent.
Soduim Hydroxide.
They are also called skin therapists, specialize in treatments of skin.
color of the first cotton dye
John Mercer : Mercerzation :: Tennant :_________
They have been identified as hormone-mimicking chemicals.
First alloy that was made by humans.
This means "burnt material".
A mordant dye use of ________ to bind dye molecule with fiber.
The oldest dye used by humans.
The most widely use preservative in cosmetics but it is not listed on the product's ingredients.

Down

A natural mosquito repellent that is 10 times more effective than DEET.
Basically refer to the colored products intended to alter the user's appearance.
The first synthetic dye
A recommendation of WHO for protection against mosquitoes that does not irritate skin.
It is a carcinogen that is the major cause of ovarian cancer.
Substitute to vegetable dye.
It clogs the pores and interferes with the skin's ability to eliminate toxins.
Has a natural insecticide called Pyrethum that terminates insects.
This term refers to ceramic pieces that have not been fired.
A derivative of crude oil.
A substance that adds odor to products.
Can be ddictive to skin tissues and has no benefit to them.
Used in preference of water as a main ingredient of perfume that dissolves esters readily.
The largest organ in the human body.

30 Clues: Soduim Hydroxide. • The first synthetic dye • A derivative of crude oil. • Substitute to vegetable dye. • This means "burnt material". • color of the first cotton dye • The oldest dye used by humans. • The second basic dye discovered. • First alloy that was made by humans. • The largest organ in the human body. • A substance that adds odor to products. • ...

crossword chemistry 2017-02-10

Across

the positive part of an atom
the invisable part of your blood
when water sticks to another substance
the ability for a liquid to flow
the negative part of the atom
when a vapor turns into a liquid
when a solid turns into a gas
made with protons,neutron and electrons
something that has to do with the changing of matter
how toxic something is

Down

the glue part of the atom
a group on the periodic table
when water sticks to water
an element without metal
when water turns into vapor
when something is taken away
what everything is made of
when something is added
does not have spaces or gaps
an invisible vapor in the air

20 Clues: when something is added • how toxic something is • an element without metal • the glue part of the atom • when water sticks to water • what everything is made of • when water turns into vapor • the positive part of an atom • when something is taken away • does not have spaces or gaps • a group on the periodic table • the negative part of the atom • when a solid turns into a gas • ...

Chemistry Review 2017-02-10

Across

shiny, malleable, ductile
don’t interact with other elements
a reaction that lets off cold
2,8,8,2 pattern
a number that is multiplied out to one side of the equation
One, two, or three letters of the element
when a new solution is made, molecules can’t be created or destroyed
center of atom
created the periodic table
outermost electron
negative charge
mixture of molecules
no charge

Down

horizontal row on periodic table
studied the atom and electron
puts elements in order on the periodic table
number of protons/neutrons
a reaction that lets off heat
before a reaction
positive charge
made up of at least two elements
column on periodic table
has properties of metals and nonmetals
makes everything in the universe
dull, brittle
solution after a reaction
smallest part of an element

27 Clues: no charge • dull, brittle • center of atom • 2,8,8,2 pattern • positive charge • negative charge • before a reaction • outermost electron • mixture of molecules • column on periodic table • shiny, malleable, ductile • solution after a reaction • number of protons/neutrons • created the periodic table • smallest part of an element • studied the atom and electron • a reaction that lets off heat • ...

Chemistry Vocabulary 2017-02-10

Across

an element that is dull, brittle, and unreactive
a substance made up of only one kind of atom
the result of a chemical reaction
an element that is shiny, malleable, conductive, and reactive
something that expels more heat than it takes in
the part of the atom with a positive charge
the chemist who formulated the Periodic Table
a substance that changes during a chemical reaction
an element that has properties of both a metal and a nonmetal
the part of the atom with a neutral charge
the central part of the atom
the letter or two letters that stand for an element

Down

the path that electron take around the nucleus
the electron(s) in the outermost shell around the nucleus
states that matter can’t be created or destroyed
a substance made up of more than one atom
the number of protons in the nucleus of an atom
a substance made up of two or more elements
the number of protons and neutrons in an atoms
the smallest part of matter
one vertical column on the periodic table
the gases with the full number of valence electrons
the part of the atom with a negative charge
one horizontal row on the periodic table
something that takes in more heat than it expels

25 Clues: the smallest part of matter • the central part of the atom • the result of a chemical reaction • one horizontal row on the periodic table • a substance made up of more than one atom • one vertical column on the periodic table • the part of the atom with a neutral charge • a substance made up of two or more elements • the part of the atom with a negative charge • ...

Chemistry Review 2017-02-08

Across

no charge
substance of two combined elements
group of atoms
Mendeleev: creator of table
negative
positive
absorbs heat
orbits around
characteristics of metal and non-metal
electron: outermost shell
shiny, foil, conductors
Structure

Down

abbreviation of element
new material formed in a chemical reaction
(on the P.T.): column of elements
the center
Table
Gas: any gasses in group 18
Motion & Chemical Reactions
everything is made of this
release of heat
undergoes change during a reaction
dull, poor conductors
substance that cannot be broken down
of Conservation of Mass: neither created nor destroyed
(on the P.T.): row of elements
& CLUE

27 Clues: Table • & CLUE • negative • positive • no charge • Structure • the center • absorbs heat • orbits around • group of atoms • release of heat • dull, poor conductors • abbreviation of element • shiny, foil, conductors • electron: outermost shell • everything is made of this • Gas: any gasses in group 18 • Motion & Chemical Reactions • Mendeleev: creator of table • (on the P.T.): row of elements • ...

general chemistry 2017-01-10

Across

have an indefinite shape and definite volume
have a definite shape and definite volume
is desire for car,while wetting is desced.
heat leave the liquid as it freeze
two pairs of liquids cannot mix
heat leaves the gas as it solidifies
fine dispersion of minutes droplets of one liquid in another in which it is not solute or miscible
heat goes into the solid as it sublimes
there are solid good electrical conductors are good thermal conductors, malleable and ductile
is ais the natural science that involves the study of matter and its motion and behavior through space and time, along with related concepts such as energy and force.
energy was absorbed
molecules farming ionic or a hydrogen bond whit water
have particles that are arranged in a definite geometric pattern
dissolved medium
salute is added the salute no longer dissolve
'WITHIN'the molecule and are called covalent and ionic bonds
occupies space and has mass
is the relationship between the amount of solution containing the salute
that occurs accidentally in a given atom induce similar dipole
these types of solid are soft have low to moderately high melting points and have poor electrical and thermal conductivity
expands freely to fill any space available
a substance enclosed under pressure and able to be released as a fine spray, typically by means of a propellant gas
salute is added the salute dissolve
defined as the number of moles solute per liter of solute
saturated salute crystalizes when the solution is heated
they are very hard, very high melting point and often have poon thermal and electrical conductivity
The resistance to flow
these solid are hard, brittle have high melting point and have poor electrical and thermal conductivity

Down

heat goes into the solid as it melts
two substance mix completely in all proportion
is defined as the number of moles solute per kilogram of solvent
property of water was important for the evolution
is a minute fragment or quantity of matter
is a minute fragment or quantity of matter
energy was released
is a heterogeneous mixture in which solute likes particles settle out of a solvent like phase sometime often their introduction
increases with increasing temperature
substance does not dissolve in the solvent
process of making a solution
heat leaves the gas as it condenses
is the natural science that involves the study of matter and its motion and behavior through space and time, along with related concepts such as energy and force.
heat goes into the liquid
attractive force between molecules
more precisely, the volumetric mass density of a substance is its mass per unit volume
comparing quantity to standard quantity
is a natural science concerned with the study of life and living organisms, including their structure, function, growth, evolution, distribution, identification and taxonomy
studies plastics and other chain like molecules which consist of many smaller molecules linked together
a substance that tends to reduce the surface tension of a liquid in which it is dissolved
have particles that are not located in any particular position
dissolving medium

50 Clues: dissolved medium • dissolving medium • energy was released • energy was absorbed • The resistance to flow • heat goes into the liquid • occupies space and has mass • process of making a solution • two pairs of liquids cannot mix • heat leave the liquid as it freeze • attractive force between molecules • heat leaves the gas as it condenses • salute is added the salute dissolve • ...

Chemistry Crossword 2017-11-13

Across

A subatomic particle with a charge of negative electricity
The basic unit of a chemical element
A supposition or a system of ideas intended to explain something, especially one based on general principles independent of the thing to be explained.
Lithium, sodium, potassium, rubidium, cesium, and francium are all...
The mass of an atom
A charge with a +
The center of an atom
Absorption of heat
The property possessed by an object of producing different sensations on the eye as a result of the way the object reflects or emits light
A substance formed when two or more elements

Down

Combine or become combined chemically with oxygen.
A colorless, odorless, highly flammable gas, the chemical element of atomic number 1
A substance that does the reaction
An element or substance that is not a metal.
A very small size
Where all the elements are found
A charge with a -
The medieval forerunner of chemistry, based on the supposed transformation of matter
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.
Release heat
A subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen
A solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivity
Group 18 of the periodic table.
A particle having a non-zero net electrical charge
A substance created in a reaction

25 Clues: Release heat • A very small size • A charge with a - • A charge with a + • Absorption of heat • The mass of an atom • The center of an atom • Group 18 of the periodic table. • Where all the elements are found • A substance created in a reaction • A substance that does the reaction • The basic unit of a chemical element • An element or substance that is not a metal. • ...

Chemistry Crossword 2017-11-09

Across

The numerical prefix of three
A combination of two or more pure substance
An element is defined by the number of protons it has
The numerical prefix of two
Takes place when two or more substances combine to form new substances.
The ability of a substance to conduct electricity or heat
The average mass of an element
Not shiny, doesn’t conduct electricity and not ductile
Have lustre,conduct electricity and have ductility
The ability of a substance to be dissolved in another
Liquid to solid
The numerical prefix of one

Down

Workplace Hazardous Material information system
change Occurs when two or more materials react and create new materials. The
Have a high melting point
Pure substances formed as a result of the attraction between particles of opposite changes
Substance Made of only one kind of matter
The amount of mass in a given volume of a substance
A material that cannot break down into any simpler substance
Occurs when oxygen reacts with a substance to form a new substance and gives off energy
Can be in between metals and non-metals
The numerical prefix of five
An atom or a group of atoms
Solid to liquid
The numerical prefix of four

25 Clues: Solid to liquid • Liquid to solid • Have a high melting point • The numerical prefix of two • An atom or a group of atoms • The numerical prefix of one • The numerical prefix of five • The numerical prefix of four • The numerical prefix of three • The average mass of an element • Can be in between metals and non-metals • Substance Made of only one kind of matter • ...

chemistry crossword 2017-11-09

Across

group 17 in the periodic table
pure substance that cannot be broken down
releases energy
a description of how a substance reacts with another substance
smallest part of an element that is representative of that element
substance that helps a reaction proceed more quickly
principle that mass is the same in reactants and products
change of state from gas to solid
measure of atomic mass amu
chemical reaction that occurs when oxygen reacts and gives off energy
atom that has become electrically charged
mass of one atom of an element
amount of mass in a given volume

Down

group 2 elements in the periodic table
pure substance formed with at least one metal and one non metal
anything that has mass and takes up space
change of state from a liquid to solid
absorbs energy
a reaction that takes place when two or more substances form a new substance
an experiment in which all reactants and products are accounted for
group 1 elements in the periodic table
ability to conduct electricity
chemical combination of two or more elements
invisible negatively charged particle
number number of protons and neutrons in an element

25 Clues: absorbs energy • releases energy • measure of atomic mass amu • group 17 in the periodic table • ability to conduct electricity • mass of one atom of an element • amount of mass in a given volume • change of state from gas to solid • invisible negatively charged particle • group 2 elements in the periodic table • change of state from a liquid to solid • ...

Chemistry Crossword 2017-11-09

Across

any subject of importance about which people have strong, conflicting points of view
group 17 elements in the periodic table; the most reactive non-metals
substance substance made of only one kind of matter, which has a unique set of properties
horizontal row of elements in the periodic table
system an experiment in which one or more products of a chemical reaction can escape
the basic unit of a chemical element
energy stored in chemicals and released when chemicals react
mass of a substance that can dissolve in a given amount of solvent to form a saturated solution at a given temperature
element that has both metallic and non- metallic properties
homogeneous mixture; mixture of two or more pure substances that looks like one substance
anything that has mass and occupies space
table a table in which the elements are organized by their physical and chemical properties
neutral particle in the nucleus of an atom
cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance

Down

each of more than one hundred substances that cannot be chemically interconverted or broken down into simpler substances and are primary constituents of matter. Each element is distinguished by its atomic number, i.e., the number of protons in the nuclei of its atoms
vertical column of elements in the periodic table; elements in a family all have similar chemical properties; also called a family
Workplace Hazardous Materials Information System; a system of easy-to-see warning symbols on hazardous materials
cloudy mixture in which tiny particles of one substance are held within another, and the particles can be separated out p
positively charged particle in the nucleus of an atom
amount of mass in a given volume of a substance
change that results when two or more substances react to create a different substance or substances
ability of a substance to conduct electricity or heat
gases group 18 elements in the periodic table; the most stable and unreactive elements
chemical combination of two or more elements in a specific ratio
shiny, malleable, ductile element that conducts electricity

25 Clues: the basic unit of a chemical element • anything that has mass and occupies space • neutral particle in the nucleus of an atom • amount of mass in a given volume of a substance • horizontal row of elements in the periodic table • positively charged particle in the nucleus of an atom • ability of a substance to conduct electricity or heat • ...

chemistry crossword 2017-11-10

Across

that have a density of 5 or higher e.g., copper, zinc, lead, mercury, cadmium,nickel heavy metals are one type of substance monitored to determine water quality
change in the appearance or state of a substance that does not change the composition
atom that has become electrically charged because it has lost or gained electrons a positive ion is an atom that has lost one or more electrons a negative ion is an atom that has gained on
a material that electric charge can move through easily
neutral particle in the nucleus of an atom
description of how a substance interacts with other substances, such as acids;chemical properties are observable only when a chemical change occurs
the smallest part of an element that is representative of that element a neutral particle made up of a nucleus containing protons and neutrons, and in which the number of electrons equals the number of protons
a table in which the elements are organized by their physical and chemical properties
combination of symbols that represent a compound; the formula identifies the elements in the compound and the amount of each element
an experiment in which one or more products of a chemical reaction can escape
substance that helps a chemical reaction to proceed more quickly

Down

positively charged center of an atom;contains protons and neutrons
change that results when two or more substances react to create a different substance or substances; the new substances have completely different properties from the original ones
group 1 elements in the periodic table, not including hydrogen; the most reactive of the metals
group 2 elements in the periodic table; their reactivity is not as strong as that of the alkali metals
catalyst involved in chemical reactions in living things
a reaction that takes place when two or more substances react to form new substances
chemical combination of two or more elements in a specific ratio
invisible negatively charged particle that orbits the nucleus of an atom
substance that strongly resists the flow of electricity
chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
the sum of the number of protons and neutrons in an atom
property that describes the physical appearance and composition of a substance
new substance produced in a chemical reaction between reactants
element that has both metallic and non-metallic properties

25 Clues: neutral particle in the nucleus of an atom • substance that strongly resists the flow of electricity • a material that electric charge can move through easily • catalyst involved in chemical reactions in living things • the sum of the number of protons and neutrons in an atom • element that has both metallic and non-metallic properties • ...

chemistry crossword 2017-11-10

Across

invisible negatively charged particle that orbits the nucleus of an atom
an experiment in which one or more products of a chemical reaction can escape
neutral particle in the nucleus of an atom
element that has both metallic and non-metallic properties
chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
new substance produced in a chemical reaction between reactants
change that results when two or more substances react to create a different substance or substances; the new substances have completely different properties from the original ones
group 2 elements in the periodic table; their reactivity is not as strong as that of the alkali metals
group 1 elements in the periodic table, not including hydrogen; the most reactive of the metals
a material that electric charge can move through easily
property that describes the physical appearance and composition of a substance
the sum of the number of protons and neutrons in an atom
that have a density of 5 or higher e.g., copper, zinc, lead, mercury, cadmium,nickel heavy metals are one type of substance monitored to determine water quality

Down

catalyst involved in chemical reactions in living things
chemical combination of two or more elements in a specific ratio
description of how a substance interacts with other substances, such as acids;chemical properties are observable only when a chemical change occurs
substance that helps a chemical reaction to proceed more quickly
positively charged center of an atom;contains protons and neutrons
change in the appearance or state of a substance that does not change the composition
a table in which the elements are organized by their physical and chemical properties
a reaction that takes place when two or more substances react to form new substances
atom that has become electrically charged because it has lost or gained electrons a positive ion is an atom that has lost one or more electrons a negative ion is an atom that has gained on
substance that strongly resists the flow of electricity
combination of symbols that represent a compound; the formula identifies the elements in the compound and the amount of each element
the smallest part of an element that is representative of that element a neutral particle made up of a nucleus containing protons and neutrons, and in which the number of electrons equals the number of protons

Chemistry Crosswords 2017-11-11

Across

cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance
process in which molecules move from an area of higher concentration to one of lower concentration
with a pH lower than 7
(CO(g)) colourless, odourless gas; produced by incomplete combustion of chemicals containing carbon (e.g. hydrocarbons); major source: motor vehicles
a reaction that takes place when two or more substances react to form new substances
chemical reaction that absorbs energy
amount of mass in a given volume of a substance
combination of symbols that represent a compound; the formula identifies the elements in the compound and the amount of each element
the smallest part of an element that is representative of that element; a neutral particle made up of a nucleus containing protons and neutrons, and in which the number of electrons equals the number of protons
principle that matter is not created or destroyed in a chemical reaction; the mass of the products always equals the mass of the reactants
catalyst involved in chemical reactions in living things
change of state from a gas to a liquid

Down

description of a solid that can be stretched into a long wire
slow chemical change that occurs when oxygen in the air reacts with a metal
group 1 elements in the periodic table,not including hydrogen; the most reactive of the metals
energy stored in chemicals and released when chemicals react; a form of potential or stored energy
compound that dissolves in water to form a
mass of one atom of an element calculated from the total number of protons, neutrons, and electrons of that atom; measured in atomic mass units (amu)
change that results when two or more substances react to create a different substance or substances; the new substances have completely different properties from the original ones
description of how a substance interacts with other substances, such as acids; chemical properties are observable only when a chemical change occurs
a solution in which water is the solvent
group 2 elements in the periodic table; their reactivity is not as strong as that of the alkali metals
chemical reaction that takes place in cells; food (sugar) reacts with oxygen to produce energy, water, and carbon dioxide
chemical combination of two or more elements in a specific ratio
number of protons in the nucleus of one atom of an element
measure of atomic mass; 1 amu is equal to 1/12th the mass of a carbon 12 atom
chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
substance that helps a chemical reaction to proceed more quickly
an experiment in which all reactants and all products of a chemical reaction are accounted for
invisible negatively charged particle that orbits the nucleus of an atom

30 Clues: with a pH lower than 7 • chemical reaction that absorbs energy • change of state from a gas to a liquid • a solution in which water is the solvent • compound that dissolves in water to form a • amount of mass in a given volume of a substance • catalyst involved in chemical reactions in living things • number of protons in the nucleus of one atom of an element • ...

Chemistry Crossword 2017-11-11

Across

orbit of electrons around the nucleus of an atom
an experiment in which all reactants and all products of a chemical reaction are accounted for
change that results when two or more substances react to create a different substance or substances
group 2 elements in the periodic table; their reactivity is not as strong as that of the alkali metals
the mass of the products always equals the mass of the reactants
energy stored in chemicals and released when chemicals react
mass of one atom of an element calculated from the total number of protons, neutrons, and electrons of that atom
chemical reaction that releases energy
cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance
invisible negatively charged particle that orbits the nucleus of an atom
vertical column of elements in the periodic table that have similar chemical properties
a reaction that takes place when two or more substances react to form new substances
number of protons in the nucleus of one atom of an element
catalyst involved in chemical reactions in living things

Down

combination of symbols that represent a compound
group 1 elements in the periodic table, not including hydrogen; the most reactive of the metals
chemical reaction that absorbs energy
atom that has become electrically charged because it has lost or gained electrons
slow chemical change that occurs when oxygen in the air reacts with a metal
pure substance that cannot be broken down into other substances
chemical combination of two or more elements in a specific ratio
substance that helps a chemical reaction to proceed more quickly
chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
compound that dissolves in water to form a solution with a pH lower than 7
the most reactive non-metals

25 Clues: the most reactive non-metals • chemical reaction that absorbs energy • chemical reaction that releases energy • combination of symbols that represent a compound • orbit of electrons around the nucleus of an atom • catalyst involved in chemical reactions in living things • number of protons in the nucleus of one atom of an element • ...

chemistry crossword 2017-11-16

Across

invisible negatively charged particle that orbits the nucleus of an atom
the smallest part of an element that is representative of that element;a neutral particle made up of a nucleus containing protons and neutrons, and in which the number of electrons equals the number of protons
an experiment in which all reactants and all products of a chemical reaction are accounted for
pure substance that cannot be broken down into other substances; substances made up of only one type of atom
chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
mass of one atom of an element calculated from the total number of protons, neutrons, and electrons of that atom;measured in atomic mass units
combination of symbols that represent a compound; the formula identifies the elements in the compound and the amount of each element
their reactivity is not as strong as that of the alkali metals
description of how a substance interacts with other substances, such as acids;chemical properties are observable only when a chemical change occurs
slow chemical change that occurs when oxygen in the air reacts with a metal
principle that matter is not created or destroyed in a chemical reaction; the mass of the products always equals the mass of the reactants
catalyst involved in a chemical reactions in living things
change of state from a liquid to a gas
chemical reaction that absorbs energy
change of state from a gas to a solid
a reaction that takes place when two or more substances react to form new substances
cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance

Down

change of state from a gas to a liquid
number of protons in the nucleus of one atom of an element
[in chemistry] vertical column of elements in a periodic table; elements in a family all have similar chemical properties; also called a group
the most reactive of the metals
change that results when two or more substances react to create a different substance or substances;the new substances have completely different properties from the original ones
amount of mass in a given volume of a substance
chemical reaction that takes place in cells; food[sugar] reacts with oxygen to produce energy,water, and carbon dioxide
a solution in which the water is the solvent
chemical combination of two or more elements in a specific ratio
group 17 elements in the periodic table; the most reactive non-metals
substance that helps a chemical reaction to proceed more quickly

28 Clues: the most reactive of the metals • chemical reaction that absorbs energy • change of state from a gas to a solid • change of state from a gas to a liquid • change of state from a liquid to a gas • a solution in which the water is the solvent • amount of mass in a given volume of a substance • number of protons in the nucleus of one atom of an element • ...

Chemistry Crossword 2017-11-15

Across

horizontal row of elements in the periodic table
the mass of one atom of an element
chemical combination of two or more elements in a specific ratio
change in the appearance or state of a substance that does not change composition
substance that helps a chemical reaction proceed more quickly
atom that has become electrically charged
homogeneous mixture; mixture of two or more pure substances that looks like one substance.
combination of symbols that represent a compound
pure substance that cannot be broken down into other substances
mass of a substance that can dissolve in a given amount of solvent to form a saturated solution at a given temperature
group 18 elements in the periodic table;the most stable and unreactive elements
the sum of the number of protons and neutrons in an atom
neutral particle in the nucleus of an atom
positively charged centre of an atom

Down

cause(a substance) to be deposited in solid form from a solution.
an experiment in which one or more products of a chemical reaction can escape
positively charged particle in the nucleus of an atom
number of protons in a single nucleus of an element
a table in which elements are organized by their physical and chemical properties
property that describes the physical appearance and composition of a substance
workplace,hazardous,materials,information,system
A.M.U
the most reactive non-metals
element that has both metallic and non-metallic properties
substance that reacts with another substance or substances in a chemical reaction to create new substances with different properties

25 Clues: A.M.U • the most reactive non-metals • the mass of one atom of an element • positively charged centre of an atom • atom that has become electrically charged • neutral particle in the nucleus of an atom • horizontal row of elements in the periodic table • workplace,hazardous,materials,information,system • combination of symbols that represent a compound • ...

Chemistry Crowssword 2017-11-08

Across

When oxygen reacts w/ a substance to form a new substance.
Made from chemical reaction
Shine of substance
Ability to conduct electricity/heat energy
Metal+Non-Metal
Cloudy mixture that can be separated
Material made of 2 or more elements
Pure substance
Substances that helps speed up a reaction
number that represents the number of atoms in an element.
To absorb heat

Down

gas to solid
Chemical change in your body
ability to pound into sheets
Mass in given volume
Slow chemical change when oxygen reacts with a metal
organic catalysts
solid to gas
Ability to dissolve.
anything that has mass and occupies space
Letters/Number to indicate what elements are in product
Starting materials of a reaction
Ability to thin into wire.
To release heat
Non-Metal+Non-Metal

25 Clues: gas to solid • solid to gas • Pure substance • To absorb heat • Metal+Non-Metal • To release heat • organic catalysts • Shine of substance • Non-Metal+Non-Metal • Mass in given volume • Ability to dissolve. • Ability to thin into wire. • Made from chemical reaction • Chemical change in your body • ability to pound into sheets • Starting materials of a reaction • ...

Chemistry Crossword 2017-11-08

Across

Substances that help a reaction speed faster. They re not consumed during a chemical reaction.
Use atomic number
the average mass of an element in atomic mass units (AMU)
A new substance produced in a chemical reaction between reactants
When 2 or more substances react to form a new substance. It is irreversible.
An element is defined by number of protons it has.
An experiment where all reactants and all products of a chemical reaction are accounted for.
When a material changes state but does not change composition(makeup). It is reversible.
A reaction that takes place when two or more substances react to form new substances
Group 2 elements in the periodic table; their reactivity is not as strong as that of the alkali metals
combo of symbols that represent a compound; the formula identifies the elements in the compound and the amount of each element
Use atomic number
An experiement in which one or more products of a chemical reaction can escape.

Down

Group 17 elements in the periodic table;the most reactive non-metals
Most reactive family in the period table of elements
Substance that reacts with another substance or substances in a chemical reaction to create new substances with different properties.
A slow chemical change that occurs when oxygen in the air reacts with metal. _________ is a chemical reaction in which the metal is decomposed.
Pure substance formed when at least one metal and one non-metal combine
Mass number minus atomic number
A chemical reaction that occurs when oxygen reacts with a substance to form a new substance and gives off energy.
An atom that has become electrically charged because it has lost or gained electrons; a positive ion is an atom that has lost one or more electrons;a negative ion is an atom that has gained one or more electrons
A chemical reaction that takes place in the cells of your body. Food (glucose) reacts with oxygen to produce energy,water, and carbon dioxide.
When non-metals combine, they produce a pure substance called a molecule, or molecular compound.
Group 18 elements in the periodic table;the most stable and nonreactive elements

24 Clues: Use atomic number • Use atomic number • Mass number minus atomic number • An element is defined by number of protons it has. • Most reactive family in the period table of elements • the average mass of an element in atomic mass units (AMU) • A new substance produced in a chemical reaction between reactants • ...

Chemistry Crossword 2017-11-07

Across

group 17 elements in the periodic table;the most reactive non-metals
cloudy mixture in which tiny particles of one substance are held within another, and the particles can be separated out
positively charged particle in the nucleus of an atom
an experiment in which one or more products of a chemical reaction can escape
chemical reaction that absorbs energy
group 18 elements in the periodic table;the most stable and unreactive elements
chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
change in the appearance or state of a substance that does not change the composition
change that results when two or more substances react to create a different substance or substances
pure substance formed when non-metals combine
combination of pure substances

Down

description of a substance that can be pounded or rolled into sheets
substance that helps a chemical reaction to proceed more quickly
substance that strongly resists the flow of electricity
catalyst involved in chemical reactions in living things
chemical reaction that releases energy
pure substance formed when at least one metal and one non-metal combine
neutral particle in the nucleus of an atom
a table in which the elements are organized by their physical and chemical properties
heterogeneous mixture;mixture in which the different substances that make up the mixture are visible
vertical column of elements in the periodic table
substance made of only one kind of matter, which has a unique set of properties
element that has both metallic and non-metallic properties
substance that reacts with another substance or substances in a chemical reaction to create new substances with different properties
cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance

25 Clues: combination of pure substances • chemical reaction that absorbs energy • chemical reaction that releases energy • neutral particle in the nucleus of an atom • pure substance formed when non-metals combine • vertical column of elements in the periodic table • positively charged particle in the nucleus of an atom • substance that strongly resists the flow of electricity • ...

Chemistry Crossword 2017-11-07

Across

an experiment in which all reactants and all products of a chemical reaction are accounted for
combination of symbols that represent a compound
chemical combination of two or more elements in a specific ratio
number of protons in the nucleus of one atom of an element
mass of one atom of an element calculated from the total number of protons, neutrons, and electrons of that atom
the most reactive non-metals
group 2 elements in the periodic table; their reactivity is not as strong as that of the alkali metals
vertical column of elements in the periodic table that have similar chemical properties
the mass of the products always equals the mass of the reactants
substance that helps a chemical reaction to proceed more quickly
chemical reaction that releases energy
atom that has become electrically charged because it has lost or gained electrons
orbit of electrons around the nucleus of an atom
chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy

Down

catalyst involved in chemical reactions in living things
a reaction that takes place when two or more substances react to form new substances
slow chemical change that occurs when oxygen in the air reacts with a metal
group 1 elements in the periodic table, not including hydrogen; the most reactive of the metals
chemical reaction that absorbs energy
change that results when two or more substances react to create a different substance or substances
cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance
energy stored in chemicals and released when chemicals react
invisible negatively charged particle that orbits the nucleus of an atom
pure substance that cannot be broken down into other substances
compound that dissolves in water to form a solution with a pH lower than 7

chemistry crossword 2017-11-07

Across

positively charged particle in the nucleus of an atom
system an experiment in which all reactants and all products of a chemical reaction are accounted for
reactions reaction that takes place when two or more substances react to form new substances
reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
compound pure substance formed when at least one metal and one non-metal combine
substance that helps a chemical reaction to proceed more quickly
element that has both metallic and non-metallic properties
atom that has become electrically charged because it has lost or gained electrons; a positive ion is an atom that has lost one or more electrons;a negative ion is an atom that has gained one or more electrons
catalyst involved in chemical reactions in living things
neutral particle in the nucleus of an atom
number the sum of the number of protons and neutrons in an atom
number number of protons in the nucleus of one atom of an element

Down

the smallest part of an element that is representative of that element; a neutral particle made up of a nucleus containing protons and neutrons, and in which the number of electrons equals the number of protons
ability of a substance to conduct electricity or heat
compound pure substance formed when non-metals combine
table table in which the elements are organized by their physical and chemical properties
dull, brittle element that does not conduct electricity
group 17 elements in the periodic table;the most reactive non-metals
metals group 1 elements in the periodic table, not including hydrogen; the most reactive of the metals
system an experiment in which one or more products of a chemical reaction can escape
monoxide (CO(g))colourless, odourless gas;produced by incomplete combustion of chemicals containing carbon (e.g. hydrocarbons); major source: motor vehicles

21 Clues: neutral particle in the nucleus of an atom • ability of a substance to conduct electricity or heat • positively charged particle in the nucleus of an atom • compound pure substance formed when non-metals combine • dull, brittle element that does not conduct electricity • catalyst involved in chemical reactions in living things • ...

Organic Chemistry 2017-03-29

Across

a long chain molecule formed by joining monomers
a homologous group having –OH as the functional group
a group of complex organic macromolecules that contain carbon
they don’t have the maximum hydrogen atoms around each carbon so more atoms can be added
a synthetic polymer of a type made by the linkage of an amino group of one molecule and a carboxylic acid group of another
a compound which contains only carbon and hydrogen atoms
small molecules join together to form this
homologous series with –COOH as the functional group
broken down in the soil or water by micro-organisms

Down

the process of joining monomers together to form polymers
groups of molecules with similar boiling points
when no more atoms can be added to their molecules
a group of organic molecules with similar chemical properties
large molecules made up of repeating units
a reaction that takes place in the absence of air
an organic compound made by replacing the hydrogen of an acid by an alkyl or other organic group
a substance which speeds up a chemical reaction
the breaking down of larger hydrocarbons into smaller hydrocarbons
hydrocarbons which only have single covalent bonds in their structure
the series of unsaturated hydrocarbons containing a double bond

20 Clues: large molecules made up of repeating units • small molecules join together to form this • groups of molecules with similar boiling points • a substance which speeds up a chemical reaction • a long chain molecule formed by joining monomers • a reaction that takes place in the absence of air • when no more atoms can be added to their molecules • ...

Chemistry Crossword 2017-06-19

Across

Came up with the uncertainty principal
German theoretical physicist whose discovery of energy quanta. Discovered Planck's constant
First Canadian female nuclear physicist
An approximate area of where an electron may be
mixing atomic orbitals into new hybrid orbitals
best known for proposing the modern atomic theory
covalent bond between two atoms where the electrons forming the bond are unequally distributed
the valence electrons from the s and p orbitals of the interacting metal atoms delocalize
covalent chemical bonds where two lobes of one involved atomic orbital overlap two lobes of the other involved atomic orbital
number that occurs in the theoretical expression for the value of some quantized property of a subatomic particle, atom, or molecule
formulated the wave equation
measurement of spectra produced when matter interacts with or emits electromagnetic radiation
well-defined circular path followed by electron around nucleus

Down

New Zealand-born British physicist who came to be known as the father of nuclear physics
Danish physicist who made foundational contributions to understanding atomic structure and quantum theory
suggested that all matter has wave properties
A negatively charged particle
emission of electrons or other free carriers when light is shone onto a material
Scottish chemist and mineralogist whose writings contributed to the early spread of Dalton's atomic theory
model used in chemistry to predict the geometry of individual molecules from the number of electron pairs surrounding their central atoms

20 Clues: formulated the wave equation • A negatively charged particle • Came up with the uncertainty principal • First Canadian female nuclear physicist • suggested that all matter has wave properties • An approximate area of where an electron may be • mixing atomic orbitals into new hybrid orbitals • best known for proposing the modern atomic theory • ...

chemistry crossword 2017-03-27

Across

Small amount of active molecules in an aqueous solution
Solute dissolved in solvent (eg. water)
Reaction involving oxygen and releases light + heat energy
reaction Combination of oxygen with fuel or metal
No. of active molecules in a volume of solution
Polymer is made from this
Long-chain molecule formed by monomers
Substance or object that can be decomposed by organisms
ion Ion that does not take part in a reaction
Acid + base = salt + water

Down

Something that speeds up a reaction but is not used in it
Molecule only containing carbon and hydrogen atoms
theory Particles in an equation must collide to react
Insoluble compound formed in a specific reaction
Process of joining small units to make a long molecule
Reaction involving breakdown of compounds into simple substances
reaction Reaction used to produce solid products from ionic substances
Combination of simpler substances in a reaction
Strong acid; can be used to describe bond between atoms
rate Speed of a reaction
acid Acidic solution with high hydrogen ion concentration

21 Clues: rate Speed of a reaction • Polymer is made from this • Acid + base = salt + water • Long-chain molecule formed by monomers • Solute dissolved in solvent (eg. water) • ion Ion that does not take part in a reaction • Combination of simpler substances in a reaction • No. of active molecules in a volume of solution • Insoluble compound formed in a specific reaction • ...

chemistry review 2017-05-14

Across

What are good conductors, shiny, and ductile?
What's a substance that cannot be broken down by chemicals?
What's in each column?
What's in each row?
A ________ mixture that cannot easily be separated.
What's it called for two or more substances that are combined without chemicals?
What is a quantitative description that includes both a number and a unit?
_______ energy is also called radiant energy
______ metals are found in group 1.
A small, whole number that appears in front of a formula.
_______ bonds consist of two metals.
A ______ reaction is when a single compound breaks down.
What's the tendency of a substance to undergo chemical reaction?
What's it called to go from a solid to a gas?
a is the symbol for an _____ particle.
What's the ability to do work and make change possible?
________ bonds are made of two nonmetals
what is the SI base unit for temperature?
A _____ reaction is when two or more substances combine.
What are poor conductors, brittle, dull, and gases?
_______ bonds are composed of metals and nonmetals

Down

A _____ has a definite shape, volume, and melting point.
What measures the distance?
______ is when an electron drops from a higher energy level to a lower energy level and emits light.
________are in group 17 and are salt formers.
The _____rule says atoms will combine to have 8 valence electrons.
Hydroxide is a _______.
A ________ mixture that can be separated.
A ______ reaction is a chemical reaction in which the products reform the original reactants.
What's the formation of a positive ion?
The ______ yield is the amount of a product mathematically possible.
What's the measure of how close a series of measurements are to one another?
Hydronium is a ______.
What's the measure of how close a measurement comes to the actual or true value of whatever is measured?
What's the formation of a negative ion?
What's the mixing of the particles of 2 substances caused by their random motion?
What is a chemical substance of two or more different chemical elements?
What are properties of metals and nonmetals, solids, and semi-conductors?
What has a definite volume but no definite shape?
Who's the scientist that compared electrons in an atom to planets in the solar system?

40 Clues: What's in each row? • What's in each column? • Hydronium is a ______. • Hydroxide is a _______. • What measures the distance? • ______ metals are found in group 1. • _______ bonds consist of two metals. • a is the symbol for an _____ particle. • What's the formation of a positive ion? • What's the formation of a negative ion? • ________ bonds are made of two nonmetals • ...

Chemistry Badge 2018-01-23

Across

The element you find in balloons that float
A mixture of two or more substances
______ Table of the Elements
The element you find in Special K and bananas
A tiny compound made of atoms
The state of matter of water vapour
A scientific procedure for making a discovery
The element we breathe
An important measuring unit in chemistry, but also a tiny mammal that lives underground
Eye protection for chemists
An element and a coin
Pencil lead is made of this element

Down

The state of matter of water
The element you find in brightly lit signs
H2O
The atmosphere is composed mostly of this gas
Where chemists work
The element that makes your bones and teeth strong
Chemists wear this in case they spill something
Another name for salt
The science of compounds composed of atoms
Composed of protons, neutrons, and electrons
Cylindrical glass for mixing substances
Hand protection for chemists
If you burn potassium, the flame is this colour
The state of matter of ice

26 Clues: H2O • Where chemists work • Another name for salt • An element and a coin • The element we breathe • The state of matter of ice • Eye protection for chemists • The state of matter of water • ______ Table of the Elements • Hand protection for chemists • A tiny compound made of atoms • A mixture of two or more substances • The state of matter of water vapour • ...

Chemistry Vocab 2018-02-05

Across

the energy needed to raise the temperature of 1 gram of water through 1 °C
power derived from the utilization of physical or chemical resources, especially to provide light and heat
the measure of bond strength in a chemical bond
of a reaction or process accompanied by or requiring the absorption of heat
a phase transition from the liquid phase to vapor
energy cannot be created or destroyed, it can only be transformed from one form to another
an apparatus for measuring the amount of heat involved in a chemical reaction or other process
a reaction or process accompanied by the release of heat
heat the heat required to raise the temperature of the unit mass of a given substance by a given amount

Down

the process of measuring the amount of heat released or absorbed during a chemical reaction
energy stored in the chemical bonds of a substance
states that regardless of the multiple stages or steps of a reaction, the total enthalpy change for the reaction is the sum of all changes
energy that an object possesses by virtue of being in motion
the energy possessed by a body by virtue of its position relative to others, stresses within itself, electric charge, and other factors
a thermodynamic quantity equivalent to the total heat content of a system
the degree or intensity of heat present in a substance or object
the branch of chemistry concerned with the quantities of heat evolved or absorbed during chemical reactions
A unit of energy in the SI system. One joule is 1 kg. m2/s2 which is also 0.2390 calorie
the process or result of joining two or more things together to form a single entity
a form of energy associated with the movement of atoms and molecules in any material

20 Clues: the measure of bond strength in a chemical bond • a phase transition from the liquid phase to vapor • energy stored in the chemical bonds of a substance • a reaction or process accompanied by the release of heat • energy that an object possesses by virtue of being in motion • the degree or intensity of heat present in a substance or object • ...

Chemistry Vocab 2018-02-05

Across

A unit of energy in the SI system. One joule is 1 kg. m2/s2 which is also 0.2390 calorie
an apparatus for measuring the amount of heat involved in a chemical reaction or other process
a thermodynamic quantity equivalent to the total heat content of a system
the energy possessed by a body by virtue of its position relative to others, stresses within itself, electric charge, and other factors
the branch of chemistry concerned with the quantities of heat evolved or absorbed during chemical reactions
energy cannot be created or destroyed, it can only be transformed from one form to another
the process or result of joining two or more things together to form a single entity
of a reaction or process accompanied by or requiring the absorption of heat
heat the heat required to raise the temperature of the unit mass of a given substance by a given amount
the measure of bond strength in a chemical bond

Down

energy stored in the chemical bonds of a substance
the energy needed to raise the temperature of 1 gram of water through 1 °C
the process of measuring the amount of heat released or absorbed during a chemical reaction
power derived from the utilization of physical or chemical resources, especially to provide light and heat
a reaction or process accompanied by the release of heat
energy that an object possesses by virtue of being in motion
a form of energy associated with the movement of atoms and molecules in any material
the degree or intensity of heat present in a substance or object
a phase transition from the liquid phase to vapor
states that regardless of the multiple stages or steps of a reaction, the total enthalpy change for the reaction is the sum of all changes

chemistry crossword 2018-01-25

Across

Good conductors of heat and electricity.
it is a shorthand method of representing an element.
a substance made by mixing other substances together.
The temperature when a liquid starts to vaporize.
when a solid formed from a solution.
a stable particle with a negative electricity it found in all atoms and acting as the main carrier of electricity in solids.
a stable particle occurring in all atoms it has positive charge.
able to dissolve other substances.
a group of atoms bonded together.

Down

the number of protons in the nucleus of an atom.
exploding
A table filled with elements in order of atomic numbers.
The temperature when a soled starts to liquidize.
the around a nucleus where electrons are found.
a particle about the same mass as a proton but with no charge.
a method of writing the chemical symbol of an element and surrounding it with dots to show the number of valence electrons.
The center of a atom.
The vertical columns on the periodic table.
the amount of compactness in somthing.
Horizontal rows of elements.

20 Clues: exploding • The center of a atom. • Horizontal rows of elements. • a group of atoms bonded together. • able to dissolve other substances. • when a solid formed from a solution. • the amount of compactness in somthing. • Good conductors of heat and electricity. • The vertical columns on the periodic table. • the around a nucleus where electrons are found. • ...

Chemistry Crossword 2018-01-26

Across

Tells the number of protons.
an element with an electric charge formed formed loss or gain in electrons.
The group to the right of the Transition Metals and to the left of the Metallloids.
Atoms will always react until they have a full shell.
the study of the elements
Most reactive non-metals.
Do not react at all.
Most reactive.
Will never change, because it will become a different element.
the guy who made the periodic table
Do not add mass to the atom

Down

thing that holds all of the elements
Has Hydrogen and Carbon in it.
Has Calcium and Barium.
Add mass to the atom.
The letters of the elements.
The elements on the stair line.
Top group of the 2 that is usually under and do not fit into the Periodic Table.
The bottom group of the 2 that is usually under, and do not fit into, the Periodic Table.
Total number of protons + neutrons.

20 Clues: Most reactive. • Do not react at all. • Add mass to the atom. • Has Calcium and Barium. • the study of the elements • Most reactive non-metals. • Do not add mass to the atom • Tells the number of protons. • The letters of the elements. • Has Hydrogen and Carbon in it. • The elements on the stair line. • Total number of protons + neutrons. • the guy who made the periodic table • ...

Chemistry Crossword 2018-01-26

Across

Has Calcium and Barium.
an element with an electric charge formed formed loss or gain in electrons.
Add mass to the atom.
The bottom group of the 2 that is usually under, and do not fit into, the Periodic Table.
Most reactive non-metals.
the study of the elements
Tells the number of protons.
Has Hydrogen and Carbon in it.
thing that holds all of the elements
Total number of protons + neutrons.

Down

Do not react at all.
Atoms will always react until they have a full shell.
Do not add mass to the atom
Most reactive.
The group to the right of the Transition Metals and to the left of the Metallloids.
Top group of the 2 that is usually under and do not fit into the Periodic Table.
the guy who made the periodic table
The letters of the elements.
The elements on the stair line.
Will never change, because it will become a different element.

20 Clues: Most reactive. • Do not react at all. • Add mass to the atom. • Has Calcium and Barium. • Most reactive non-metals. • the study of the elements • Do not add mass to the atom • The letters of the elements. • Tells the number of protons. • Has Hydrogen and Carbon in it. • The elements on the stair line. • the guy who made the periodic table • Total number of protons + neutrons. • ...

Chemistry Crossword 2018-01-26

Across

The letters of the elements.
thing that holds all of the elements
Atoms will always react until they have a full shell.
Total number of protons + neutrons.
the study of the elements
Do not add mass to the atom
Has Calcium and Barium.
Do not react at all.
Will never change, because it will become a different element.

Down

Top group of the 2 that is usually under and do not fit into the Periodic Table.
The elements on the stair line.
The group to the right of the Transition Metals and to the left of the Metallloids.
The bottom group of the 2 that is usually under, and do not fit into, the Periodic Table.
an element with an electric charge formed formed loss or gain in electrons.
Add mass to the atom.
Tells the number of protons.
Most reactive.
the guy who made the periodic table
Most reactive non-metals.
Has Hydrogen and Carbon in it.

20 Clues: Most reactive. • Do not react at all. • Add mass to the atom. • Has Calcium and Barium. • the study of the elements • Most reactive non-metals. • Do not add mass to the atom • The letters of the elements. • Tells the number of protons. • Has Hydrogen and Carbon in it. • The elements on the stair line. • Total number of protons + neutrons. • the guy who made the periodic table • ...

Chemistry Review 2018-05-09

Across

negatively charged particle
when chemicals are combining together to make something new
on the right side of the reaction arrow
inner transition elements starting with a
amount of substance per unit volume
what electron sublevels are partitioned into
the number that is changed for balancing purposes
type of reaction where products can form reactants
when there is no net change in a reaction
can speed up a reaction
neutral particle
the law of conservation of ____ that chemical equations are balanced to
the letters representing elements on the periodic table

Down

solid that is formed as a macroscopic chemical change indicator
the number of major classes for chemical reactions
positively charged particle
type of spectra that provide info on energy levels
inner transition element starting with l
on the left side of the reaction arrow
area around the nucleus where electrons are located
can slow down a reaction
the highest number valence electrons can go up to
where protons and neutrons are located
where protons, neutron, and electrons are located

24 Clues: neutral particle • can speed up a reaction • can slow down a reaction • positively charged particle • negatively charged particle • amount of substance per unit volume • on the left side of the reaction arrow • where protons and neutrons are located • on the right side of the reaction arrow • inner transition element starting with l • inner transition elements starting with a • ...

Crossword Chemistry 2018-09-06

Across

เมื่ออยู่ในรูปสารละลายเรียกฟอร์มาลีน
แนฟทาลีน
แรงลอนดอน
กัมมันตภาพรังสี
สารละลายเข้มข้น
ซูโครส
ดุลสมการ
สูตรโครงสร้าง
ถ้าขาดทำให้เป็นโรคคอพอก

Down

สมการเคมี
ส่วนในล้านส่วน
กรดเปอร์คลอริก
การระเหิด
แรงดึงดูดระหว่างขั้ว
เรืองเเสง
การกลายเป็นไอ
การแพร่
เป็นสถานะของน้ำ
ธาตุเเทรนซิชันเลขมวล29
ตัวละลาย

20 Clues: ซูโครส • การแพร่ • แนฟทาลีน • ตัวละลาย • ดุลสมการ • สมการเคมี • การระเหิด • แรงลอนดอน • เรืองเเสง • การกลายเป็นไอ • สูตรโครงสร้าง • ส่วนในล้านส่วน • กรดเปอร์คลอริก • กัมมันตภาพรังสี • สารละลายเข้มข้น • เป็นสถานะของน้ำ • แรงดึงดูดระหว่างขั้ว • ธาตุเเทรนซิชันเลขมวล29 • ถ้าขาดทำให้เป็นโรคคอพอก • เมื่ออยู่ในรูปสารละลายเรียกฟอร์มาลีน

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