chemical reaction Crossword Puzzles

Vocabulary Chapter 7-Chemical Reactions (for any words that have two words, there is a dash in between) 2021-12-16

Vocabulary Chapter 7-Chemical Reactions (for any words that have two words, there is a dash in between) crossword puzzle
Across
  1. an amount of a substance that contains approximately 6.02 x 10 to the 23 particles of that substance.
  2. the energy stored in the chemical bonds of a substance
  3. In a chemical reaction, the substances that undergo change
  4. a representation of a chemical reaction in which the reactants and products are expressed as formulas
  5. a chemical reaction that releases energy to its surroundings
  6. a reaction in which one element takes the place of another element in a compound
Down
  1. The new substances formed as a result of that change
  2. one in which two different compounds exchange positive ions and form two new compounds
  3. a reaction in which a compound breaks down into two or more simpler substances
  4. the numbers that appear before the formulas
  5. the mass of one mole of a substance
  6. a chemical reaction that absorbs energy from its surroundings
  7. a reaction in which two or more substances react to form a single substance

13 Clues: the mass of one mole of a substance • the numbers that appear before the formulas • The new substances formed as a result of that change • the energy stored in the chemical bonds of a substance • In a chemical reaction, the substances that undergo change • a chemical reaction that releases energy to its surroundings • ...

Biology Crossword Puzzle 2021-10-08

Biology Crossword Puzzle crossword puzzle
Across
  1. uncontrolled cell division
  2. uniform mixture of substances
  3. controls what goes in and out of cell
  4. organisms that eat dead materials for energy
  5. consumers that eat only meat
  6. amount of energy needed for a chemical reaction to start
  7. repeated pattern of growth and cell division
  8. process by which sunlight is converted to chemical energy in plants
  9. macromolecule that holds DNA
Down
  1. cell where photosynthesis occurs
  2. organisms that produce their own food
  3. consumers that eat only plants
  4. substances changed in a chemical reaction
  5. a section of DNA with info for making a protein
  6. molecule that stores energy for cell functions
  7. organisms that eat others for energy
  8. consumers that eat meat and plants
  9. catalyst that speeds up chemical reactions
  10. need of an organism to stay stable with help of cells
  11. substances made in a chemical reaction

20 Clues: uncontrolled cell division • consumers that eat only meat • macromolecule that holds DNA • uniform mixture of substances • consumers that eat only plants • cell where photosynthesis occurs • consumers that eat meat and plants • organisms that eat others for energy • organisms that produce their own food • controls what goes in and out of cell • ...

h.12 DNA & Ch. 2-4 Enzymes Vocab - Jaden Daquiz 2023-12-06

h.12 DNA & Ch. 2-4 Enzymes Vocab - Jaden Daquiz crossword puzzle
Across
  1. enzyme that adds a few RNA nucleotides to the beginning of the new DNA strand
  2. a virus that infects bacteria
  3. perfectly fit hydrogen bonds only through the means of certain bases being paired together
  4. makes up genes which must store, copy, and transmit the genetic information in a cell
  5. the region where a protein binds itself (or another substance) during a reaction
  6. substance that speeds up the rate of a chemical reaction
  7. bases that contain nitrogen
  8. biological catalyst
  9. a spiral chain that contains units of protein, nucleic acids, or other large molecule/s extendedly
Down
  1. when changes in temperature or pH change the shape of a protein, making it non-functional
  2. when a cell does a copying process of DNA
  3. enzyme that link the fragments of the backbone of DNA strand together
  4. changing one bacteria permanently to a different type by experiment
  5. a process that changes or fully transforms one chemical into another
  6. joins individual nucleotides to produce a DNA molecule
  7. elements/compounds that enter the chemical reaction/experiment
  8. when changes in temperature or pH change the shape of a protein, making it non-functional
  9. energy needed that helps start a chemical reaction
  10. two strands of DNA running in opposite directions
  11. the substance produced after the chemical reaction

20 Clues: biological catalyst • bases that contain nitrogen • a virus that infects bacteria • when a cell does a copying process of DNA • two strands of DNA running in opposite directions • energy needed that helps start a chemical reaction • the substance produced after the chemical reaction • joins individual nucleotides to produce a DNA molecule • ...

Chemical 2025-07-02

Chemical crossword puzzle
Across
  1. – something kept for future use (e.g., energy in food or fuel)
  2. – what happens when substances change chemically
  3. – a reaction that takes in heat
  4. – to use heat or fire to cause a change
  5. – the substance made after a chemical reaction
  6. – a gas needed for combustion
Down
  1. – a chemical reaction involving burning
  2. – the ability to do work or cause change
  3. – a form of energy often released in reactions
  4. – stores chemical energy and powers devices
  5. – the connection between atoms in a molecule
  6. – a substance burned to release energy
  7. – an element found in fuels and living things
  8. – something that becomes different (e.g., physical or chemical)
  9. – a reaction that gives off heat

15 Clues: – a gas needed for combustion • – a reaction that takes in heat • – a reaction that gives off heat • – a substance burned to release energy • – a chemical reaction involving burning • – to use heat or fire to cause a change • – the ability to do work or cause change • – stores chemical energy and powers devices • – the connection between atoms in a molecule • ...

Biology Ch 2 Vocabulary 2022-09-18

Biology Ch 2 Vocabulary crossword puzzle
Across
  1. Are catalysts for chemical reactions in a living thing.
  2. Is a polymer made of monomers called amino acids.
  3. Are the substances made by a chemical reaction.
  4. Is a large molecule or macromolecules, made of many monomers bonded together.
  5. Change substances into different substances by breaking and forming chemical bonds.
  6. Are molecules composed of carbon, hydrogen, and oxygen and they include sugar and starches.
  7. Forms when atoms share a pair of electrons.
  8. Are chains of carbon atoms bonded to hydrogen atoms.
  9. Is a substance that is present in the greater amount and that dissolves another substance.
  10. Is the amount of energy that will break a bond between two atoms.
  11. Is a mixture of substances that is the same throughout.
  12. Chemical reaction releases more energy that it absorbs.
  13. Are molecules that contain carbon, hydrogen, oxygen,nitrogen, and sometimes sulfur.
  14. Is the amount of energy that needs to be absorbed for a chemical reaction to start.
  15. Is reached when both reactants and products are made at the same rate.
  16. The attraction between molecules of different substances.
Down
  1. Are the substances changed during a chemical reaction.
  2. Are compounds that removes H+ ions in a solution.
  3. Is a substance that dissolves in a solvent.
  4. Is the measurement of the acidity in a solution.
  5. The attraction among molecules of a substance.
  6. The specific reactant that an enzyme acts on.
  7. Is an atom that has gained or lost one or more electrons.
  8. Is a substance made of atoms of different elements bonded together in a certain ratio.
  9. Is a substance that decreases the activation energy needed to start a chemical reaction and, as a result, also increases the rate of a chemical reaction.
  10. Is a compound that releases a proton when dissolved in water.
  11. Are polymers that are made up of monomers called nucleotides.
  12. The smallest basic unit of matter.
  13. Chemical reaction absorbs more energy than it releases.
  14. Is each subunit in the complete molecule.
  15. Is two or more atoms held together by covalent bonds.
  16. Forms through the electrical force between oppositely charged ions.
  17. Are nonpolar molecules that include fats, oils, cholesterol.
  18. One particular type of atom, and cannot be broken down into simpler substances by ordinary chemical means.

34 Clues: The smallest basic unit of matter. • Is each subunit in the complete molecule. • Is a substance that dissolves in a solvent. • Forms when atoms share a pair of electrons. • The specific reactant that an enzyme acts on. • The attraction among molecules of a substance. • Are the substances made by a chemical reaction. • Is the measurement of the acidity in a solution. • ...

Chemical changes 2024-11-18

Chemical changes crossword puzzle
Across
  1. A solid that forms and separates from a liquid mixture during a chemical reaction.
  2. The bubbling and fizzing that occurs when gas is released during a chemical reaction, often seen when an acid reacts with a carbonate.
  3. A substance that is formed as a result of a chemical reaction. Products are what you have after the reaction is complete.
  4. The amount of a substance (solute) present in a given volume of solution. Higher concentration means more solute is dissolved in the solution.
  5. A substance that speeds up a chemical reaction without being consumed or permanently changed by the reaction itself.
  6. A substance that starts a chemical reaction. Reactants are what you have before the reaction takes place.
  7. To recognise or point out the differences between two or more substances or concepts.
Down
  1. Change A change that affects one or more physical properties of a substance but does not change its chemical composition. Examples include changes in state, like melting or boiling.
  2. A type of chemical reaction where two or more simple substances combine to form a more complex substance.
  3. The process that occurs when reactants undergo a chemical change to form products.
  4. Equation A way of representing a chemical reaction using the names of the reactants and products, rather than chemical formulas. For example, "hydrogen + oxygen → water".
  5. Change A process where substances combine or break apart to form new substances with different properties. This often involves a change in colour, temperature, or the production of gas.
  6. Rate The speed at which a chemical reaction occurs, often measured by how quickly reactants are used up or products are formed.
  7. A process or action that makes something different from what it was before.

14 Clues: A process or action that makes something different from what it was before. • A solid that forms and separates from a liquid mixture during a chemical reaction. • The process that occurs when reactants undergo a chemical change to form products. • To recognise or point out the differences between two or more substances or concepts. • ...

Chemistry extra credit 2025-01-28

Chemistry extra credit crossword puzzle
Across
  1. A chemical reaction in which a substance loses electrons.
  2. A measure of the acidity or alkalinity of a solution.
  3. A chemical reaction in which a substance gains electrons.
  4. A mixture in which one substance dissolves in another.
  5. A particle with no charge, found in the nucleus of an atom.
  6. A combination of two or more substances that are not chemically bonded.
  7. A vertical column in the periodic table, containing elements with similar properties.
  8. A substance made of two or more different types of atoms bonded together.
  9. A substance that undergoes a chemical reaction.
  10. A substance that is dissolved in a solvent to form a solution.
  11. A substance that speeds up a chemical reaction without being consumed in the process.
  12. A substance made of only one type of atom.
  13. A positively charged particle found in the nucleus of an atom.
  14. Atoms of the same element that have different numbers of neutrons.
Down
  1. The process of a liquid turning into a gas at the surface.
  2. A substance produced as a result of a chemical reaction.
  3. Two or more atoms bonded together.
  4. A reaction that absorbs heat from its surroundings.
  5. A principle that mass is neither created nor destroyed in a chemical reaction.
  6. An atom or molecule with a charge, either positive (cation) or negative (anion).
  7. The process of a gas turning into a liquid.
  8. A solution that is neither acidic nor basic, with a pH of 7.
  9. A substance that accepts hydrogen ions (H⁺) or releases hydroxide ions (OH⁻) in solution.
  10. The smallest unit of matter, made up of protons, neutrons, and electrons.
  11. The force that holds atoms together in a molecule or compound.
  12. A horizontal row in the periodic table of elements.
  13. A reaction that releases heat into its surroundings.
  14. A negatively charged particle that orbits the nucleus of an atom.
  15. A substance that releases hydrogen ions (H⁺) in solution.

29 Clues: Two or more atoms bonded together. • A substance made of only one type of atom. • The process of a gas turning into a liquid. • A substance that undergoes a chemical reaction. • A reaction that absorbs heat from its surroundings. • A horizontal row in the periodic table of elements. • A reaction that releases heat into its surroundings. • ...

chemical reaction crossword puzzle 2020-04-23

chemical reaction crossword puzzle crossword puzzle
Across
  1. - Any chemical element that is an effective conductor of electricity and heat can be defined as
  2. - also applied to describe a solution or mixture in which water is the solvent
  3. equation - hydrogen + oxygen
  4. - its volume is not fixed; it will expand to fill a container
  5. - a substance whose atoms all have the same number of protons
  6. - occurs between a fuel and an oxidizing agent that produces energy, usually in the form of heat and light
  7. reaction -a process that involves rearrangement of the molecular or ionic structure of a substance
  8. - on the right-hand side
  9. - additional substance
Down
  1. - substance formed when two or more chemical elements are chemically bonded together
  2. of conservation of atoms - total mass of all the substances taking part in the reaction remains the same
  3. -definite volume, it does not have a definite shape
  4. ion - an ion composed of two or more atoms
  5. - chemical element that mostly lacks the characteristics of a metal
  6. - transfer of valence electron(s) between atoms
  7. - atoms or molecules are tightly connected
  8. - given on the left-hand side
  9. - # after the element
  10. -single compound breaks down into simpler compounds
  11. equation - reactant given on the left-hand side and the product on the right-hand side

20 Clues: - # after the element • - additional substance • - on the right-hand side • equation - hydrogen + oxygen • - given on the left-hand side • - atoms or molecules are tightly connected • ion - an ion composed of two or more atoms • - transfer of valence electron(s) between atoms • -definite volume, it does not have a definite shape • ...

Enzymes 2026-03-02

Enzymes crossword puzzle
Across
  1. A factor that affects enzyme activity by increasing molecular movement
  2. The best condition (temperature or pH) at which an enzyme works most efficiently
  3. The specific region on an enzyme where the substrate binds
  4. The sum of all chemical reactions occurring in a living organism
  5. The loss of enzyme shape and function due to extreme temperature or pH
  6. The speed at which a chemical reaction occurs
  7. A biological catalyst that speeds up chemical reactions in living cells
  8. The minimum energy required to start a chemical reaction
  9. A substance that slows down or prevents enzyme activity
  10. The model describing enzyme-substrate binding as a perfect fit
  11. The ability of an enzyme to act only on a particular substrate
Down
  1. The substance formed as a result of an enzyme-controlled reaction
  2. A type of inhibitor that competes with the substrate for the active site
  3. A substance that increases the rate of a chemical reaction without being used up
  4. A type of inhibitor that binds to a different part of the enzyme
  5. The substance that an enzyme acts upon
  6. A chemical process in which substances are converted into products
  7. The model where the enzyme changes shape slightly to fit the substrate
  8. A non-protein helper molecule required for some enzymes to function
  9. The type of macromolecule that enzymes are made of
  10. Increasing substrate ______ generally increases reaction rate until saturation
  11. The building blocks of proteins and enzymes
  12. A measure of acidity or alkalinity that affects enzyme shape and function

23 Clues: The substance that an enzyme acts upon • The building blocks of proteins and enzymes • The speed at which a chemical reaction occurs • The type of macromolecule that enzymes are made of • A substance that slows down or prevents enzyme activity • The minimum energy required to start a chemical reaction • The specific region on an enzyme where the substrate binds • ...

Chemistry Vocab 2025-07-31

Chemistry Vocab crossword puzzle
Across
  1. – A substance that increases H₃O⁺ ion concentration in water.
  2. CHANGE – A process that creates one or more new substances.
  3. – A measure of the total heat content of a system at constant pressure.
  4. – Groups of two or more atoms bonded together.
  5. – The physical form of matter: solid, liquid, or gas.
  6. – A reaction that absorbs heat, causing the temperature to drop.
  7. – A mixture in which particles eventually settle at the bottom.
  8. – Substances formed at the end of a chemical reaction.
  9. – A very small piece of matter.
  10. – A combination of substances that can be separated.
  11. – Substances that start a chemical reaction.
  12. – A reaction that releases heat, raising the temperature of the surroundings.
Down
  1. – A mixture where particles are between the size of those in a solution and suspension.
  2. – A scale that measures acidity or alkalinity of a solution.
  3. – A substance that speeds up a chemical reaction without being used up.
  4. – A chemical reaction where a substance reacts with oxygen, producing heat and light.
  5. – A substance that increases OH⁻ ion concentration in water.
  6. – Positively charged particles found in the nucleus of an atom.
  7. – Anything that has mass and takes up space.
  8. – The smallest unit of an element that retains its properties.
  9. CHANGE – A change that does not alter the chemical makeup of a substance.
  10. – To spread evenly into another substance to form a solution.
  11. – Negatively charged particles that orbit an atom's nucleus.
  12. – A solid that forms and settles when two solutions react.
  13. – A mixture where one substance dissolves in another.

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

reactions of matter 2024-12-11

reactions of matter crossword puzzle
Across
  1. Is a substance that is formed as the result of a chemical reaction.
  2. A substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
  3. A chemical reaction that releases energy in the form of light or heat
  4. A representation of a chemical reaction using symbols of the elements to indicate the amount of substance, usually in moles, of each reactant and product.
  5. is the number in front of the formula, that is related to the properties of the products. For example 2 H2O means there is two molecules of water
  6. for any system closed to all transfers of matter and energy, the mass of the system must remain constant over time, as the system's mass cannot change, so quantity cannot be added or removed.
  7. A process in which one or more substances, the reactants, are converted to one or more different substances called the products
  8. A substance that takes part in and undergoes change during a reaction
Down
  1. Are those which absorb energy from the surroundings and result in a net decrease in temperature
  2. The speed at which reactants are converted in products
  3. Chemical Equation: is a chemical equation with the same number of atoms of each element on both sides of the arrow
  4. Loss of Electrons
  5. Gain of electrons
  6. A substance that slows down or prevents a particular chemical reaction or other process, or that reduces the activity of a particular reactant, catalyst, or enzyme.
  7. Mass Mass in grams of one mole of a substance
  8. A type of lettering form written lower than the things around it. In chemical formulas the number of atoms in a molecule is written in this manner
  9. The amount of a substance that contains 6.02 x 1023 particles of that substance
  10. A substance produced by a living organism that acts as a catalyst to bring about a specific biochemical reaction

18 Clues: Loss of Electrons • Gain of electrons • Mass Mass in grams of one mole of a substance • The speed at which reactants are converted in products • Is a substance that is formed as the result of a chemical reaction. • A chemical reaction that releases energy in the form of light or heat • A substance that takes part in and undergoes change during a reaction • ...

7th Mixed Up Crossword Puzzle 2026-01-27

7th Mixed Up Crossword Puzzle crossword puzzle
Across
  1. form as a result of a chemical reaction (atoms trade places)
  2. holds atoms together in a molecule
  3. step by step process in a science experiment
  4. the variable that you decide to test in an experiment
  5. the type of energy in a chemical bond before a chemical reaction
  6. tests done 3-5 times in a science experiment
  7. number of atoms in vinegar
  8. number of atoms in Copper Sulfate
  9. an educated guess
Down
  1. stays the same throughout the experiment
  2. reaction where temp decreases
  3. type of energy after a chemical bond breaks
  4. given off if there is left over kinetic energy at the end of a chemical reaction
  5. reaction where temp rises

14 Clues: an educated guess • reaction where temp rises • number of atoms in vinegar • reaction where temp decreases • number of atoms in Copper Sulfate • holds atoms together in a molecule • stays the same throughout the experiment • type of energy after a chemical bond breaks • step by step process in a science experiment • tests done 3-5 times in a science experiment • ...

physical science 2023-11-06

physical science crossword puzzle
Across
  1. a substance that is formed as the result of a chemical reaction
  2. a substance that takes part in and undergoes change during a reaction.
  3. reactants absorb heat energy
  4. the production of chemical compounds by reaction from simpler materials
  5. a reaction in which one element is substituted for another element
Down
  1. a substance that speeds up a chemical reaction
  2. an action performed or a feeling experienced in response to a situation or event.
  3. the release of heat
  4. the loss or removal of water
  5. a group of atoms bonded together
  6. a chemical process in which a substance reacts rapidly with oxygen and gives off heat
  7. the symbolic representation of a chemical reaction in the form of symbols and chemical

12 Clues: the release of heat • the loss or removal of water • reactants absorb heat energy • a group of atoms bonded together • a substance that speeds up a chemical reaction • a substance that is formed as the result of a chemical reaction • a reaction in which one element is substituted for another element • ...

Chemistry Crossword Puzzle 2023-10-30

Chemistry Crossword Puzzle crossword puzzle
Across
  1. The type of chemical that neutralizes an acid. (both words required)
  2. The rays that come highest in the Electromagnetic Spectrum and have a wavelength of 0.01 to 0.1 Ångstrom .
  3. An SI unit of measurement that represents the amount of a substance that contains the same number of particles as there are atoms in 12 grams of pure carbon-12.
  4. A reaction where two or more reactants combine to form a single product .(Other name of composition reaction)
  5. The substance that donates a proton in a chemical reaction.
  6. The newly approved name of the 118th Element or Unniloctium
  7. The Bond formed when a non-metal which has 4 valence electrons reacts and obtains
  8. A type of reaction in which a single compound breaks down into two or more elements or compounds.
Down
  1. The Scientist who proposed the theory of stationary orbits and electron engery jumping theory
  2. A substance that speeds up a chemical reaction without being consumed.
  3. The process where a liquid becomes a gas below its boiling point.
  4. The outermost energy shell of an atom.
  5. The chemical formula for methane.
  6. A chemical reaction in which heat is absorbed from the surroundings.
  7. The chemical symbol for sodium.
  8. The chemical symbol for calcium.
  9. A measure of acidity or alkalinity or the measure of the hydrogen ion concentration in a substance

17 Clues: The chemical symbol for sodium. • The chemical symbol for calcium. • The chemical formula for methane. • The outermost energy shell of an atom. • The substance that donates a proton in a chemical reaction. • The newly approved name of the 118th Element or Unniloctium • The process where a liquid becomes a gas below its boiling point. • ...

REDOX REACTION CONCEPT 2019-11-12

REDOX REACTION CONCEPT crossword puzzle
Across
  1. gain of electron
  2. another name for "oxidation - reduction" reaction is
  3. reverse of a combination reaction, the breakdown of a chemical compound into individual elements
  4. in electrolysis reduction happens at
  5. element don't have oxidation number
  6. chemical substances that causes reduction in another substances and itself is oxidised
  7. reduction is gain of electron, hydrogen and
  8. oxidation is loses of electron, oxygen and
Down
  1. combustion and_are redox reaction.
  2. chemical substance that causes oxidization in another substances and itself is reduced
  3. which element always have oxidation number -1
  4. type of chemical reaction in which a compound and an oxidant are reacted to produce heat and a new product.
  5. loses of electron
  6. copper is reduced, its number of electron has
  7. most of the synthesis and decomposition reaction involve transfer of
  8. the product that obtained from combustion reaction are carbon dioxide and

16 Clues: gain of electron • loses of electron • combustion and_are redox reaction. • element don't have oxidation number • in electrolysis reduction happens at • oxidation is loses of electron, oxygen and • reduction is gain of electron, hydrogen and • which element always have oxidation number -1 • copper is reduced, its number of electron has • ...

Arson and Explosives Crossword 2021-04-12

Arson and Explosives Crossword crossword puzzle
Across
  1. bombing incidents that confront police agencies today involve
  2. a chemical reaction accompanied by the absorption of heat
  3. transformation of a substance produced by the action of heat
  4. any material used to start or sustain a fire
  5. a violent release of energy caused by a chemical or nuclear reaction
  6. the minimum temperature at which a fuel spontaneouly ignites
  7. the amount of heat required to raise the temperature of one pound of water by one degree Fahrenheit
  8. a mechanical device you can carry in your hand that will pick up compounds
  9. The loss of electrons from a substance involved in a redox reaction.
  10. an exertion of force
Down
  1. the lowest temperature at which the vapor of a combustible liquid can be ignited in air
  2. a sudden outburst
  3. What most arsons are started with
  4. the type of chemical reaction fire is
  5. a high explosive that normally has to be detonated by a primary explosive.
  6. a very rapid oxidation reaction accompanied by the generation of a low-intensity pressure wave that can disrupt the surroundings
  7. substance reacts with oxygen to give heat and light
  8. a high explosive that is easily detonated by heat, shock, or friction
  9. Examples of this explosive type are :Dynamite, TNT, PETN and RDX
  10. a chemical reaction accompanied by the evolution of heat

20 Clues: a sudden outburst • an exertion of force • What most arsons are started with • the type of chemical reaction fire is • any material used to start or sustain a fire • substance reacts with oxygen to give heat and light • a chemical reaction accompanied by the evolution of heat • a chemical reaction accompanied by the absorption of heat • ...

Unit B Vocabulary Crossword 2014-11-06

Unit B Vocabulary Crossword crossword puzzle
Across
  1. Combination of pure substances, however the substances do not combine chemically.
  2. have both metallic and non-metallic properties.
  3. An experiment in which all products can escape.
  4. When two or more materials react and create new materials
  5. A solid material that is typically hard, shiny, malleable, ductile, and makes a good conductor.
  6. A chemical reaction that takes in energy.
  7. Is anything that has mass and takes up space.
  8. When a material chanegs from one state to another, and is reversible.
  9. the law that matter can not be created or destroyed in a chemical reaction.
  10. Pure substances formed as a result of the attraction between ions.
  11. A chemical reaction in which oxygen reacts with another substance to form a new one and gives off energy.
  12. Acronym that defines a system of easy to see warning symbols.
  13. Horizontal row on the periodic table.
  14. A change from a solid to a liquid.
  15. A slow chemical reaction in which oxygen reacts with metal.
  16. A table in which the elements are organized.
Down
  1. Substance that helps the speed the rate of a chemical reaction.
  2. A chemical reaction that releases energy.
  3. When two or more substances combine to form a new substance.
  4. An experiment in which all products can escape.
  5. A pure substance and cannot be broken down further.
  6. Atom that has become electrically charged because it has gained or lost electrons.
  7. mass of one atom of an element, calculaterd from the total number of protons.
  8. When a solid changes directly into a gas
  9. A pure substabnce created when non-metals combine.
  10. Vertical column on the periodic table.

26 Clues: A change from a solid to a liquid. • Horizontal row on the periodic table. • Vertical column on the periodic table. • When a solid changes directly into a gas • A chemical reaction that releases energy. • A chemical reaction that takes in energy. • A table in which the elements are organized. • Is anything that has mass and takes up space. • ...

Chemical Reactions 2025-04-19

Chemical Reactions crossword puzzle
Across
  1. The amount of a substance in a solution
  2. A process in which a substance undergoes a change in its atomic or molecular structure and becomes a new substance.
  3. When particles meet with enough energy required for chemical reaction to occur.
  4. Any chemicals that are formed as a result of a chemical reaction.
  5. The amount of area of a substance exposed to a chemical reaction.
  6. A sub-atomic particle found in the nucleus of an atom with a positive charge.
  7. How fast a reaction occurs, measuring by how quickly a reactant or product changes over time.
  8. A sub-atomic particle with a negative charge and a very small mass found in orbitals around the nucleus of an atom.
  9. A sub-atomic particle found in the nucleus of an atom with no charge.
Down
  1. A chemical that increases the rate of a reaction by lowering the activation energy but is not used up in the reaction.
  2. A way of representing how the electrons within an atom or ion are arranged.
  3. Any chemicals that are rearranged during a chemical reaction.
  4. Value used to describe the amount of thermal energy in a substance. Can increase the rate of reactions.
  5. Charged chemicals formed when an atom (or group of atoms) loses or gains electrons.
  6. The amount of force across the surface area of the volume of a substance.
  7. The minimum amount of energy needed for a chemical reaction to occur.

16 Clues: The amount of a substance in a solution • Any chemicals that are rearranged during a chemical reaction. • Any chemicals that are formed as a result of a chemical reaction. • The amount of area of a substance exposed to a chemical reaction. • The minimum amount of energy needed for a chemical reaction to occur. • ...

Chemical Reactions 2022-11-01

Chemical Reactions crossword puzzle
Across
  1. substance that is altered or incorporated into another substance in a chemical reaction
  2. a substance that causes a chemical reaction to happen more quickly
  3. Reaction where an element replaces an element inside of a compound creating a new compound and new element.
  4. Reaction where two compounds react to form two new compounds.
  5. Reaction were two reactants become one product.
  6. Reaction where oxygen reacts with a compound usually a hydrocarbon.
Down
  1. an equation representation of a chemical reaction using symbols of the elements to indicate the amount of substances, usually in moles of each reactant and product
  2. an equation representation of a chemical reaction using symbols of the elements to indicate each reactant and product
  3. a list of metals ranked in order of decreasing reactivity to displace
  4. an equation representation of a chemical reaction using symbols of the elements but does NOT indicate the amount of substance
  5. Reaction where one reactant becomes two or more products.
  6. substance resulting from other substances in a chemical reaction

12 Clues: Reaction were two reactants become one product. • Reaction where one reactant becomes two or more products. • Reaction where two compounds react to form two new compounds. • substance resulting from other substances in a chemical reaction • a substance that causes a chemical reaction to happen more quickly • ...

Chapter 16 and 17 Vocab 2022-03-16

Chapter 16 and 17 Vocab crossword puzzle
Across
  1. amount of energy absorbed by system as heat during process at constant pressure (H = Hproducts - Hreactants)
  2. minimum energy required to transform reactants into activated complex Ea
  3. amount of energy required to raise temperature 1g by 1C or 1K (J/(g*K))
  4. power to which reactant concentration is raised
  5. action of a catalyst
  6. slowest-rate step for the chemical reaction
  7. overall enthalpy change in reaction is equal to sum of enthalpy changes for individual steps
  8. S, simple qualitative way as a measure of the degree of randomness of particles
  9. study of transfers of energy as heat, accompany chemical reactions & physical changes
  10. measure of average kinetic energy of particles in sample of matter
  11. change in concentration of reactants per unit time as reaction proceeds
  12. enthalphy change that occurs during complete combustion of one mole of substance
  13. energy transferred between samples of matter because of difference of temperature
  14. △G = △H - T△S
Down
  1. involve reactants in two different phases
  2. species that appear in some steps but not in net equation
  3. same phase as all reactant and products in reaction system
  4. energy absorbed or released as heat in chemical or physical change
  5. equation that relates rate and concentrations of reactants
  6. reaction whose reacts and products exist in single phase
  7. set of assumptions regarding collisions and reactions
  8. reduces the activation energy for a chemical reaction
  9. G, also known as Gibbs free energy
  10. phase is different from that of the reactants
  11. quantity of energy transferred as heat during a chemical reaction

25 Clues: △G = △H - T△S • action of a catalyst • G, also known as Gibbs free energy • involve reactants in two different phases • slowest-rate step for the chemical reaction • phase is different from that of the reactants • power to which reactant concentration is raised • set of assumptions regarding collisions and reactions • reduces the activation energy for a chemical reaction • ...

Energy Flow Vocabulary 2021-09-21

Energy Flow Vocabulary crossword puzzle
Across
  1. meat eaters ex: tigers
  2. a chemical substance that reacts with another
  3. can only be a primary consumer ex: bunny
  4. shows the amount of energy need to support the ecosystem
  5. process in which producers convert CO2 and H2O into sugar and oxygen
  6. place where photosynthesis takes place
  7. must eat food to receive energy
  8. consumers that are hunted and killed
  9. use radiant energy to create their own food
Down
  1. the chemical reaction
  2. show feeding relationships in an ecosystem
  3. levels of consumers in an ecosystem
  4. a written expression of a chemical reaction
  5. receives energy from the primary consumer
  6. consumers who hunt and kill other consumers
  7. glucose is an example of this type of energy
  8. humans are __________
  9. light energy
  10. receives energy from the secondary consumer
  11. another name for sugar
  12. a chemical substance created in a chemical reaction
  13. 1st consumer

22 Clues: light energy • 1st consumer • the chemical reaction • humans are __________ • meat eaters ex: tigers • another name for sugar • must eat food to receive energy • levels of consumers in an ecosystem • consumers that are hunted and killed • place where photosynthesis takes place • can only be a primary consumer ex: bunny • receives energy from the primary consumer • ...

Chemistry: Types of Bonds and Reactions 2023-04-20

Chemistry: Types of Bonds and Reactions crossword puzzle
Across
  1. Type of bond between an anion and cation.
  2. An ion formed by losing valence electrons.
  3. Atoms that are grouped with the same name because they have the same number of protons.
  4. A chemical reaction where two compounds trade placements to create an insoluble solid.
  5. A type of electron in the highest energy level that are involved in bonding.
  6. A full set of valence electrons.
  7. A chemical reaction where low complexity chemicals combine to form a larger, more complex compound.
  8. A chemical reaction where a hydrocarbon is combined with oxygen to form carbon dioxide and water.
  9. Type of bond between two neutral atoms sharing valence electrons.
  10. A column of elements with the same number of valence electrons on the Periodic Table.
  11. The charge of an anion.
Down
  1. A row representing an energy level on the Periodic Table.
  2. Type of bond between metals freely sharing valence electrons.
  3. The charge of a cation.
  4. An ion formed by gaining valence electrons.
  5. A chemical reaction where a lower reactivity element is replaced in a compound by a higher reactivity element.
  6. A chemical reaction where a single large compound breaks apart into smaller, less complex chemicals.
  7. The charge on an Oxygen ion (oxide ion).
  8. The charge on an Aluminum ion.
  9. Protons - Electrons = _______________

20 Clues: The charge of a cation. • The charge of an anion. • The charge on an Aluminum ion. • A full set of valence electrons. • Protons - Electrons = _______________ • The charge on an Oxygen ion (oxide ion). • Type of bond between an anion and cation. • An ion formed by losing valence electrons. • An ion formed by gaining valence electrons. • ...

Chapter 16 and 17 Vocab 2022-03-16

Chapter 16 and 17 Vocab crossword puzzle
Across
  1. amount of energy absorbed by system as heat during process at constant pressure (H = Hproducts - Hreactants)
  2. minimum energy required to transform reactants into activated complex Ea
  3. amount of energy required to raise temperature 1g by 1C or 1K (J/(g*K))
  4. power to which reactant concentration is raised
  5. action of a catalyst
  6. slowest-rate step for the chemical reaction
  7. overall enthalpy change in reaction is equal to sum of enthalpy changes for individual steps
  8. S, simple qualitative way as a measure of the degree of randomness of particles
  9. study of transfers of energy as heat, accompany chemical reactions & physical changes
  10. measure of average kinetic energy of particles in sample of matter
  11. change in concentration of reactants per unit time as reaction proceeds
  12. enthalphy change that occurs during complete combustion of one mole of substance
  13. energy transferred between samples of matter because of difference of temperature
  14. △G = △H - T△S
Down
  1. involve reactants in two different phases
  2. species that appear in some steps but not in net equation
  3. same phase as all reactant and products in reaction system
  4. energy absorbed or released as heat in chemical or physical change
  5. equation that relates rate and concentrations of reactants
  6. reaction whose reacts and products exist in single phase
  7. set of assumptions regarding collisions and reactions
  8. reduces the activation energy for a chemical reaction
  9. G, also known as Gibbs free energy
  10. phase is different from that of the reactants
  11. quantity of energy transferred as heat during a chemical reaction

25 Clues: △G = △H - T△S • action of a catalyst • G, also known as Gibbs free energy • involve reactants in two different phases • slowest-rate step for the chemical reaction • phase is different from that of the reactants • power to which reactant concentration is raised • set of assumptions regarding collisions and reactions • reduces the activation energy for a chemical reaction • ...

Chapter 2 Vocab 2022-03-18

Chapter 2 Vocab crossword puzzle
Across
  1. an easy way to show a chemical reaction
  2. when energy is released in the form of heat
  3. a rapid reaction between oxygen and a substance called fuel
  4. the substances you have at the beginning
  5. the number in front of a chemical formula in an equation
  6. a characteristic of a substance that describes its ability to change into other substances
  7. a material that increases the rate of a reaction by lowering the activation energy
  8. biological catalysts in the cells of your body
  9. is a characteristic of a substance that can be observed without changing the substance into another substance
  10. anything that has mass and takes up space
  11. a material that releases energy when it burns
  12. a solid that forms from solution during a chemical reaction
  13. states that during a chemical reaction, matter is not created or destroyed
  14. the amount of a substance in a given volume
  15. a material used to decrease the rate of a reaction
  16. when two or more elements or compounds combine to make a more complex substance
  17. matter is not allowed a way to enter or leave
Down
  1. when energy is absorbed
  2. a change in matter that produces one or more new substances
  3. a change that alters the form or appearance of a substance
  4. the new substances
  5. the study of matter and how matter changes
  6. when one element takes the place of another
  7. the minimum amount of energy needed to start a chemical reaction
  8. breaks down compounds into simpler products
  9. matter can enter from or escape to the surroundings.

26 Clues: the new substances • when energy is absorbed • an easy way to show a chemical reaction • the substances you have at the beginning • anything that has mass and takes up space • the study of matter and how matter changes • when energy is released in the form of heat • when one element takes the place of another • breaks down compounds into simpler products • ...

Chem Vocab 2019-10-31

Chem Vocab crossword puzzle
Across
  1. is a very simplified representation of the valence shell electrons in a molecule
  2. an ion consisting of exactly one atom
  3. usually refers to the separation of charges within a molecule
  4. number assigned to an element in chemical combination which represents the number of electrons lost
  5. the electrons shared by the atoms spend a greater amount of time
  6. a lasting attraction between atoms, ions or molecules
  7. the breakdown of a single entity into two or more fragments
  8. is the weakest intermolecular force
  9. cause to be deposited in solid form from a solution
  10. inorganic compounds that take the form of discrete molecules
  11. a chemical bond in which one pair of electrons is shared between two atoms
  12. a high-temperature exothermic redox chemical reaction
  13. a technique that uses a direct electric current to drive an otherwise non-spontaneous chemical reaction
  14. known as a double replacement reaction or metathesis
  15. a type of bond that occurs when two atoms share a pair of electrons with each other
  16. electron pair repulsion theory, or VSEPR theory, is a model used in chemistry
  17. a chemical reaction expressed in words rather than chemical formulas
  18. is the symbolic representation of a chemical reaction in the form of symbols and formulae
  19. is a chemical reaction where the reactants form products that, in turn, react together
  20. an atom is the charge that atom would have if the compound was composed of ions. 1
  21. the empirical formula of any ionic or covalent
  22. is defined as the amount of energy required to break apart a mole of molecules
  23. is a chemical compound composed of ions held together
  24. is a way of describing bonding in certain molecules or ions
  25. known as a molecular ion, is a charged chemical
  26. is a chemical bond where two or more electron pairs are shared between two atoms
  27. formula of a chemical compound is the simplest positive integer ratio of atoms
Down
  1. a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction
  2. is an empirical, calculated, and structurally analytical progression of a series of metals
  3. NaCl
  4. a type of chemical bonding that involves the electrostatic attraction
  5. is a substance composed of exactly two different elements
  6. Helpful tools in thinking about bonding
  7. the concept of mixing atomic orbitals into new hybrid orbitals
  8. consists of the chemical symbols for the constituent elements
  9. a set of rules to generate systematic names for chemical compounds
  10. a substance's ability to deform under pressure
  11. of a compound is a ratio of an amount of each element to the total amount
  12. equation shows the symbols of the elements in the compound and the ratio
  13. the numbers in front of the formulas
  14. known as a single-replacement reaction
  15. called a molecular bond, is a chemical bond that involves the sharing of electron pairs between atoms
  16. direct combination reaction is a type of chemical reaction
  17. physical property of a material associated with the ability to be hammered thin or stretched into wire without breaking
  18. is the concept of mixing atomic orbitals into new hybrid
  19. is a type of chemical bonding that rises from the electrostatic attractive force
  20. an anion containing one or more oxygen atoms bonded to another element
  21. a separation of electric charge leading to a molecule or its chemical groups
  22. a formula which shows the arrangement of atoms in the molecule of a compound
  23. a mathematical relationship or rule expressed in symbols
  24. a measure of the energy contained in the crystal lattice of a compound, equal to the energy that would be released if the component ions were brought together from infinity
  25. is an attraction between two atoms that already participate in other chemical bonds
  26. the amount of a compound with the same mass in grams

53 Clues: NaCl • is the weakest intermolecular force • the numbers in front of the formulas • an ion consisting of exactly one atom • known as a single-replacement reaction • Helpful tools in thinking about bonding • a substance's ability to deform under pressure • the empirical formula of any ionic or covalent • known as a molecular ion, is a charged chemical • ...

Arson and Explosives Crossword 2021-04-12

Arson and Explosives Crossword crossword puzzle
Across
  1. a chemical reaction accompanied by the absorption of heat
  2. a sudden outburst
  3. a very rapid oxidation reaction accompanied by the generation of a low-intensity pressure wave that can disrupt the surroundings
  4. What most arsons are started with
  5. substance reacts with oxygen to give heat and light
  6. fuse consisting of a tube or cord filled or saturated with combustible matter
  7. a chemical reaction accompanied by the evolution of heat
Down
  1. the minimum temperature at which a fuel spontaneouly ignites
  2. a mechanical device you can carry in your hand that will pick up compounds
  3. any material used to start or sustain a fire
  4. bombing incidents that confront police agencies today involve
  5. a high explosive that normally has to be detonated by a primary explosive.
  6. a high explosive that is easily detonated by heat, shock, or friction
  7. the amount of heat required to raise the temperature of one pound of water by one degree Fahrenheit
  8. an exertion of force
  9. The loss of electrons from a substance involved in a redox reaction.
  10. a violent release of energy caused by a chemical or nuclear reaction
  11. the lowest temperature at which the vapor of a combustible liquid can be ignited in air
  12. transformation of a substance produced by the action of heat
  13. the type of chemical reaction fire is
  14. Examples of this explosive type are :Dynamite, TNT, PETN and RDX

21 Clues: a sudden outburst • an exertion of force • What most arsons are started with • the type of chemical reaction fire is • any material used to start or sustain a fire • substance reacts with oxygen to give heat and light • a chemical reaction accompanied by the evolution of heat • a chemical reaction accompanied by the absorption of heat • ...

Chapter 2 2022-03-21

Chapter 2 crossword puzzle
Across
  1. a characteristic that has the ability to change into another substance
  2. matter in not created nor destroyed
  3. the minimum amount of energy needed to start a chemical reaction
  4. The amount of one material in a certain volume of another material.
  5. a solid that form from solution during a chemical reaction
  6. the substances you have at the beginning
  7. matter that can enter or leave their environment
  8. the substances when you complete the reaction
  9. two or more elements or compounds combine to make more complex substances
  10. A material that increases the rate of a reaction by lowering the activation energy.
  11. a easy way to show a chemical reaction using symbols instead of roles
  12. Any change that changes or alters the appearance of a substance
  13. a reaction that releases energy in the form of heat
Down
  1. a material used to decrease the reaction rate.
  2. breaks down compounds into simpler forms
  3. a change in matter that one or more new substances
  4. a characteristic of a substance that can be observed without changing into another substance
  5. a reaction in which energy is absorbed and does not always result in a decrease in temperature.
  6. anything that has mass and takes up space
  7. matter is not allowed to leave or enter
  8. a rapid reaction between oxygen and a substance called fuel
  9. When one element replaces another in a compound
  10. a material that releases energy when it burns
  11. a number placed in front of a chemical formula in an equation
  12. A biological catalyst that lowers the activation energy of reactions in cells.

25 Clues: matter in not created nor destroyed • matter is not allowed to leave or enter • breaks down compounds into simpler forms • the substances you have at the beginning • anything that has mass and takes up space • a material that releases energy when it burns • the substances when you complete the reaction • a material used to decrease the reaction rate. • ...

Chemical Synthesis 2023-10-18

Chemical Synthesis crossword puzzle
Across
  1. - Chemical breakdown of a compound by water.
  2. - Reagent for forming carbon-carbon bonds.
  3. - Compound used as a starting material in a synthesis.
  4. - Introduction of an acyl group into a compound.
  5. - Introduction of halogen atoms into a compound.
  6. - Oxidation of alkenes to aldehydes or ketones.
  7. - Reaction that forms a covalent bond and produces water.
  8. - Formation of a ring-shaped compound.
  9. - Introduction of an alkyl group into a molecule.
  10. - Substance formed as a result of a chemical reaction.
  11. - Esterification reaction for making esters.
  12. - Reaction for the synthesis of alkenes from aldehydes.
  13. - Introduction of an amino group into a molecule.
  14. - Addition of a formyl group to a compound.
  15. - Amount of product obtained in a synthesis.
  16. - Removal of water from a compound.
  17. - Process of gaining electrons or hydrogen atoms.
  18. - Substance used in a chemical reaction to produce a product.
Down
  1. - Reaction that joins two compounds together.
  2. - Formation of large molecules from smaller units.
  3. - Addition of hydrogen atoms to a compound.
  4. - Reaction for the coupling of aryl halides.
  5. - Substance that speeds up a chemical reaction.
  6. - Formation of esters from carboxylic acids and alcohols.
  7. - Process of losing electrons or hydrogen atoms.
  8. - Addition of a sulfonate group to a molecule.
  9. - Rearrangement of atoms within a molecule.
  10. - To add an alkyl group to a compound.
  11. - Type of synthesis involving non-carbon-containing compounds.
  12. - Type of synthesis focusing on carbon-containing compounds.

30 Clues: - Removal of water from a compound. • - Formation of a ring-shaped compound. • - To add an alkyl group to a compound. • - Reagent for forming carbon-carbon bonds. • - Addition of hydrogen atoms to a compound. • - Rearrangement of atoms within a molecule. • - Addition of a formyl group to a compound. • - Chemical breakdown of a compound by water. • ...

Chapter 2 (Chemistry of Life) 2018-04-11

Chapter 2 (Chemistry of Life) crossword puzzle
Across
  1. / are the substances made by a chemical reaction.
  2. is the substance that is present in the greater amount and that dissolves another substance.
  3. forms through the electrical force between oppositely charged ions.
  4. are nonpolar molecules that includes fats, oils, and cholesterol.
  5. energy / is the amount of energy that will break a bond between two atoms.
  6. are polymers that are made up of monomers called nucleotides.
  7. are chains of carbon atoms bonded to hydrogen atoms.
  8. are molecules composed of carbon, hydrogen, and oxygen, and they include sugars and starches.
  9. each subunit in the complete molecule.
  10. / chemical reaction absorbs more energy that it releases.
  11. / chemical reaction releases more energy that it absorbs.
  12. an atom that has gained or lost one or more electrons.
  13. one particular type of atom and it cannot be broken down into simpler substance by ordinary chemical means.
  14. / the specific reactants that an enzyme acts on.
  15. / a substance that decreases the activation energy needed to start a chemical reaction and also increases the rate of the chemical reaction.
  16. energy / is the amount of energy that needs to be absorbed for a chemical reaction to start.
  17. / are catalysts for chemical reactions in living things.
  18. the measure of a solution’s acidity.
  19. compounds that remove H+ ions from a solution.
  20. a mixture of substances that is the same throughout.
Down
  1. is an attraction between a slightly positive hydrogen atoms and a slightly negative atom.
  2. the attraction among molecules of a similar substance.
  3. change substances into different substances by breaking and forming chemical bonds.
  4. forms when atoms share a pair of electrons.
  5. are molecules that contain carbon, hydrogen, nitrogen, and sometimes sulfur.
  6. the smallest basic unit of matter.
  7. is two or more atoms held together by covalent bonds.
  8. / are the substances changes during a chemical reaction.
  9. / is reached when both the reactants and products are made at the same rate.
  10. is a polymer made of monomers called amino acids.
  11. is a compound that releases a proton when it dissolves in water.
  12. a substance made of atoms of different elements bonded together in certain ratio.
  13. the attraction among molecules of different substances.
  14. is a substance that dissolves in a solvent.
  15. is a large molecule, or macromolecule, made of many monomers bonded together.

35 Clues: the smallest basic unit of matter. • the measure of a solution’s acidity. • each subunit in the complete molecule. • forms when atoms share a pair of electrons. • is a substance that dissolves in a solvent. • compounds that remove H+ ions from a solution. • is a polymer made of monomers called amino acids. • / the specific reactants that an enzyme acts on. • ...

Arson and Explosives Crossword 2021-04-12

Arson and Explosives Crossword crossword puzzle
Across
  1. a high explosive that normally has to be detonated by a primary explosive.
  2. a mechanical device you can carry in your hand that will pick up compounds
  3. bombing incidents that confront police agencies today involve
  4. a chemical reaction accompanied by the absorption of heat
  5. transformation of a substance produced by the action of heat
  6. any material used to start or sustain a fire
  7. a violent release of energy caused by a chemical or nuclear reaction
  8. the minimum temperature at which a fuel spontaneouly ignites
  9. the amount of heat required to raise the temperature of one pound of water by one degree Fahrenheit
  10. The loss of electrons from a substance involved in a redox reaction.
  11. fuse consisting of a tube or cord filled or saturated with combustible matter
Down
  1. the lowest temperature at which the vapor of a combustible liquid can be ignited in air
  2. a sudden outburst
  3. What most arsons are started with
  4. the type of chemical reaction fire is
  5. a very rapid oxidation reaction accompanied by the generation of a low-intensity pressure wave that can disrupt the surroundings
  6. substance reacts with oxygen to give heat and light
  7. a high explosive that is easily detonated by heat, shock, or friction
  8. Examples of this explosive type are :Dynamite, TNT, PETN and RDX
  9. a chemical reaction accompanied by the evolution of heat

20 Clues: a sudden outburst • What most arsons are started with • the type of chemical reaction fire is • any material used to start or sustain a fire • substance reacts with oxygen to give heat and light • a chemical reaction accompanied by the evolution of heat • a chemical reaction accompanied by the absorption of heat • ...

chapter 17 concepts recap 2024-05-15

chapter 17 concepts recap crossword puzzle
Across
  1. transitional structure that results from an effective collision and that persists while old bonds are breaking and new bonds are forming
  2. The area of chemistry that is concerned with reaction rates and reaction mechanisms
  3. A catalyst that its phase is different from that of the reactants
  4. Species that appear in some steps but not in the net equation
  5. reactions involve reactants in two different phases.
  6. The action of a catalyst
  7. minimum energy required to transform the reactants into an activated complex
Down
  1. step by step sequence of reactions by which the overall chemical change occurs
  2. The change in concentration of reactants per unit time
  3. A catalyst that is in the same phase as all the reactants and products
  4. the proportionality constant relating the rate of the reaction to the concentrations of reactants
  5. a reaction whose reactants and products exist in a single phase
  6. set of assumptions regarding collisions and reactions
  7. The sum of all of the reactant orders
  8. the slowest step in a chemical reaction
  9. An equation that relates reaction rate and concentrations of reactants
  10. biological catalysts to facilitate chemical reactions in living organisms
  11. The power to which a reactant concentration is raised
  12. a substance that changes the rate of a chemical reaction without itself being consumed

19 Clues: The action of a catalyst • The sum of all of the reactant orders • the slowest step in a chemical reaction • reactions involve reactants in two different phases. • set of assumptions regarding collisions and reactions • The power to which a reactant concentration is raised • The change in concentration of reactants per unit time • ...

Chemical 2024-05-06

Chemical crossword puzzle
Across
  1. Matter can enter from or escape to the surroundings
  2. The process when two or more elements or compounds combine to make a more complex substance
  3. The process that breaks down compounds into simpler products
  4. The substances that you have in the beginning
  5. Characteristic of a substance that describes its ability to change into other substances
  6. A reaction that releases energy in the form of heat
  7. A solid that forms from solution during a chemical reaction
  8. A short and easy way to show a chemical reaction using symbols instead of words
  9. The study of matter and how matter changes
Down
  1. Matter is not allowed to enter or leave
  2. A principle that states that during a chemical reaction, matter is not created nor destroyed
  3. Anything that has mass and takes up space
  4. A reaction in which energy is absorbed
  5. A number placed in front of a chemical formula in an equation
  6. A change in matter that produces one or more new substances
  7. A rapid reaction between oxygen and fuel
  8. Any change that alters the form or appearance of a substance but does not make a substance into another substance
  9. When the reaction is complete, you have new substances
  10. When one element replaces another in a compound or when two elements in different compounds trade places

19 Clues: A reaction in which energy is absorbed • Matter is not allowed to enter or leave • A rapid reaction between oxygen and fuel • Anything that has mass and takes up space • The study of matter and how matter changes • The substances that you have in the beginning • Matter can enter from or escape to the surroundings • A reaction that releases energy in the form of heat • ...

Y8 Reactions Key words 2025-12-11

Y8 Reactions Key words crossword puzzle
Across
  1. states that no atoms are lost or made in a chemical reaction.
  2. A substance that reacts together with another substance to form products during a chemical reaction.
  3. Occur when a new substance is formed.
  4. Type of reaction in which a compound breaks down to form two or more substances when it is heated.
  5. Reaction in which energy is given out to the surroundings.
  6. Gases or other substances can enter or leave during a reaction.
  7. The process of burning by heat.
  8. Occur when the form of a chemical substance is changed (rather than what a substance is made of).
Down
  1. Chart showing the energy in the reactants and products, and the difference in energy between them.
  2. The minimum amount of energy that colliding particles must have for them to react.
  3. No substances can enter or leave during a reaction.
  4. Scientific skill whereby scientists receive knowledge of the outside world through our sense.
  5. Reaction in which energy is taken in from the surroundings.
  6. A substance formed in a chemical reaction.
  7. A catalyst is a substance that speeds up a chemical reaction without being used up or chemically changed.

15 Clues: The process of burning by heat. • Occur when a new substance is formed. • A substance formed in a chemical reaction. • No substances can enter or leave during a reaction. • Reaction in which energy is given out to the surroundings. • Reaction in which energy is taken in from the surroundings. • states that no atoms are lost or made in a chemical reaction. • ...

Chemistry Crossword 2024-11-21

Chemistry Crossword crossword puzzle
Across
  1. when 2 liquids are mixed to produce a solid
  2. example-something turns pink to clear
  3. ingredients for a chemical reaction
  4. occurs when bonds break and new bonds form
  5. symbols and numbers showing the types of elements and how many there are in a molecule
  6. the bottom of a liquid in a graduated cylinder
Down
  1. larger number in front of a chemical formula that tells how many molecules there are
  2. what you measure mass with
  3. energy change reaction that does not change the temperature
  4. a change that does not change the substance
  5. a reaction that releases heat
  6. what is made in a chemical reaction
  7. a reaction that absorbs heat
  8. smaller number in a chemical formula that tells how many atoms of that element there are in the molecule
  9. holds atoms together in a molecule
  10. usually happens in the form of a change in temperature
  11. bubbles tell us this is produced

17 Clues: what you measure mass with • a reaction that absorbs heat • a reaction that releases heat • bubbles tell us this is produced • holds atoms together in a molecule • what is made in a chemical reaction • ingredients for a chemical reaction • example-something turns pink to clear • occurs when bonds break and new bonds form • a change that does not change the substance • ...

Enzymes and Metabolism 2024-01-23

Enzymes and Metabolism crossword puzzle
Across
  1. A substance participating in a chemical reaction.
  2. The specific region of an enzyme where a substrate binds and the catalytic reaction takes place.
  3. The substance formed as a result of a chemical reaction.
  4. A metabolic process that builds complex molecules from simpler ones, requiring energy input.
  5. The reactant on which an enzyme acts, binding to the enzyme's active site.
  6. A chemical reaction or process that absorbs energy from its surroundings.
Down
  1. A compact, spherical protein structure with a three-dimensional shape.
  2. A substance that speeds up a chemical reaction by lowering the activation energy.
  3. The change in the shape of an enzyme's active site to better accommodate the substrate.
  4. A biological catalyst, usually a protein, that speeds up chemical reactions in living organisms.
  5. The breakdown of complex molecules into simpler ones, releasing energy.
  6. The minimum energy required for a chemical reaction to occur.
  7. A chemical reaction or process that releases energy to its surroundings.
  8. The alteration of a protein's shape, leading to loss of its function, often caused by changes in temperature or pH.

14 Clues: A substance participating in a chemical reaction. • The substance formed as a result of a chemical reaction. • The minimum energy required for a chemical reaction to occur. • A compact, spherical protein structure with a three-dimensional shape. • The breakdown of complex molecules into simpler ones, releasing energy. • ...

Arson and Explosives Crossword 2021-04-12

Arson and Explosives Crossword crossword puzzle
Across
  1. bombing incidents that confront police agencies today involve
  2. a chemical reaction accompanied by the absorption of heat
  3. transformation of a substance produced by the action of heat
  4. any material used to start or sustain a fire
  5. a violent release of energy caused by a chemical or nuclear reaction
  6. the minimum temperature at which a fuel spontaneouly ignites
  7. the amount of heat required to raise the temperature of one pound of water by one degree Fahrenheit
  8. a mechanical device you can carry in your hand that will pick up compounds
  9. The loss of electrons from a substance involved in a redox reaction.
  10. an exertion of force
Down
  1. the lowest temperature at which the vapor of a combustible liquid can be ignited in air
  2. a sudden outburst
  3. What most arsons are started with
  4. the type of chemical reaction fire is
  5. a high explosive that normally has to be detonated by a primary explosive.
  6. a very rapid oxidation reaction accompanied by the generation of a low-intensity pressure wave that can disrupt the surroundings
  7. substance reacts with oxygen to give heat and light
  8. a high explosive that is easily detonated by heat, shock, or friction
  9. Examples of this explosive type are :Dynamite, TNT, PETN and RDX
  10. a chemical reaction accompanied by the evolution of heat

20 Clues: a sudden outburst • an exertion of force • What most arsons are started with • the type of chemical reaction fire is • any material used to start or sustain a fire • substance reacts with oxygen to give heat and light • a chemical reaction accompanied by the evolution of heat • a chemical reaction accompanied by the absorption of heat • ...

CHEMISTRY 2018-06-02

CHEMISTRY crossword puzzle
Across
  1. horizontal rows
  2. gas from a solid or liquid at room temperature
  3. molecule with only two atoms
  4. speeds up the rate of a chemical reaction
  5. two atoms attracted to each other
  6. set volume
  7. different bonded atoms
  8. gas to liquid
  9. arrangement of elements into a table
  10. tiny particles of matter
  11. easily becomes a gas
  12. three dimensional arrangement of particles in a regular pattern
  13. chemical that helps chemical reactions
  14. solid to gas or gas to solid
Down
  1. pure substance, only one atom
  2. two or more bonded atoms
  3. solid to liquid
  4. particles collide when substances react
  5. metal damaged by the environment
  6. makes new chemicals
  7. single atom
  8. more then two different types of bonded atoms
  9. same bonded atoms
  10. dangerous gas
  11. chain of many simpler repeating units
  12. evaporate
  13. substances on the left side of a chemical equation
  14. result of a chemical reaction
  15. liquid to gas
  16. vertical columns

30 Clues: evaporate • set volume • single atom • dangerous gas • gas to liquid • liquid to gas • horizontal rows • solid to liquid • vertical columns • same bonded atoms • makes new chemicals • easily becomes a gas • different bonded atoms • two or more bonded atoms • tiny particles of matter • molecule with only two atoms • solid to gas or gas to solid • pure substance, only one atom • ...

Arson and Explosives Crossword 2021-04-12

Arson and Explosives Crossword crossword puzzle
Across
  1. a high explosive that normally has to be detonated by a primary explosive.
  2. a mechanical device you can carry in your hand that will pick up compounds
  3. bombing incidents that confront police agencies today involve
  4. a chemical reaction accompanied by the absorption of heat
  5. transformation of a substance produced by the action of heat
  6. any material used to start or sustain a fire
  7. a violent release of energy caused by a chemical or nuclear reaction
  8. the minimum temperature at which a fuel spontaneouly ignites
  9. the amount of heat required to raise the temperature of one pound of water by one degree Fahrenheit
  10. The loss of electrons from a substance involved in a redox reaction.
  11. fuse consisting of a tube or cord filled or saturated with combustible matter
Down
  1. the lowest temperature at which the vapor of a combustible liquid can be ignited in air
  2. a sudden outburst
  3. What most arsons are started with
  4. the type of chemical reaction fire is
  5. a very rapid oxidation reaction accompanied by the generation of a low-intensity pressure wave that can disrupt the surroundings
  6. substance reacts with oxygen to give heat and light
  7. a high explosive that is easily detonated by heat, shock, or friction
  8. Examples of this explosive type are :Dynamite, TNT, PETN and RDX
  9. a chemical reaction accompanied by the evolution of heat

20 Clues: a sudden outburst • What most arsons are started with • the type of chemical reaction fire is • any material used to start or sustain a fire • substance reacts with oxygen to give heat and light • a chemical reaction accompanied by the evolution of heat • a chemical reaction accompanied by the absorption of heat • ...

physical science 2023-11-06

physical science crossword puzzle
Across
  1. a substance that is formed as the result of a chemical reaction
  2. a substance that takes part in and undergoes change during a reaction.
  3. reactants absorb heat energy
  4. the production of chemical compounds by reaction from simpler materials
  5. a reaction in which one element is substituted for another element
Down
  1. a substance that speeds up a chemical reaction
  2. an action performed or a feeling experienced in response to a situation or event.
  3. the release of heat
  4. the loss or removal of water
  5. a group of atoms bonded together
  6. a chemical process in which a substance reacts rapidly with oxygen and gives off heat
  7. the symbolic representation of a chemical reaction in the form of symbols and chemical

12 Clues: the release of heat • the loss or removal of water • reactants absorb heat energy • a group of atoms bonded together • a substance that speeds up a chemical reaction • a substance that is formed as the result of a chemical reaction • a reaction in which one element is substituted for another element • ...

Create a puzzle withCollision Theory and Chemical reaction 2025-02-02

Create a puzzle withCollision Theory and Chemical reaction crossword puzzle
Across
  1. Theory – The theory explaining how chemical reactions occur and why rates differ.
  2. Area – Affects reaction rate by exposing more reactant particles to collisions.
  3. – A reaction that absorbs energy.
  4. – A factor that increases molecular motion, leading to more frequent collisions.
  5. Energy – The minimum energy required for a reaction to occur.
  6. – The correct alignment of molecules during a collision for a reaction to occur.
  7. – A biological catalyst that speeds up biochemical reactions.
  8. Complex – The unstable arrangement of atoms at the peak of the reaction barrier.
  9. – Affects reaction rate by changing the number of reactant particles per unit volume.
Down
  1. Collision – A collision with proper energy and orientation to form products.
  2. – Increases reaction rate in gases by reducing space and increasing collisions.
  3. Collision – A collision that does not result in a reaction.
  4. – A substance that speeds up a reaction without being consumed. Orientation – The correct alignment of molecules during a collision for a reaction to occur.
  5. – The speed at which a chemical reaction proceeds.
  6. – The study of reaction rates.
  7. – The quantitative relationship between reactants and products in a reaction.
  8. State – The high-energy intermediate state of a reaction.
  9. Mechanism – A step-by-step sequence of elementary reactions.
  10. – A reaction that releases energy.
  11. – A substance that slows down or prevents a reaction.

20 Clues: – The study of reaction rates. • – A reaction that absorbs energy. • – A reaction that releases energy. • – The speed at which a chemical reaction proceeds. • – A substance that slows down or prevents a reaction. • State – The high-energy intermediate state of a reaction. • Collision – A collision that does not result in a reaction. • ...

Change in matter vocab - Kaleigh 2024-05-15

Change in matter vocab - Kaleigh crossword puzzle
Across
  1. Thermal energy transferred between two substance
  2. The amount of space occupied
  3. Occupies physical space & can be weighed
  4. A material formed by chemical elements
  5. A chemical reaction which stores heat
  6. A measure of the amount of matter an object contains
  7. A pure substance made up of only one atom
  8. Chemicals interacting to form new chemicals
  9. Study of the change of matter
  10. Substances being held and or held together
  11. Two or more atoms chemically bonded
Down
  1. A change of materials into another
  2. The smallest substance that can't be broken down
  3. Materials in a reaction that undergo a chemical change
  4. The form of the matter changes, not the kind of matter inside of it
  5. Measure of the average kinetic energy
  6. The action of molecules sticking together
  7. Speeds up a chemical reaction

18 Clues: The amount of space occupied • Speeds up a chemical reaction • Study of the change of matter • A change of materials into another • Two or more atoms chemically bonded • Measure of the average kinetic energy • A chemical reaction which stores heat • A material formed by chemical elements • Occupies physical space & can be weighed • The action of molecules sticking together • ...

Best word thing ever 2014-03-25

Best word thing ever crossword puzzle
Across
  1. 2 or more molecules or compounds
  2. the chemicals made by the equation
  3. particles of energy that comes out of the nucleus of an atom
  4. positive particles in an atom found in the nucleus
  5. a reaction with oxygen (burning)
  6. table an arrangement of all known elements in order of their size and structure
  7. of mass mass is always the same at the start and end of a reaction
  8. Change new chemical formed, not easily reversed
  9. 2 or more different atoms joined together
  10. Number number of protons plus neutrons in an atom
  11. smallest particle of matter that contains equal number of positive and…
  12. two or more atoms joined together
  13. when two smaller chemicals join in a reaction
Down
  1. of reaction how fast a reaction happens
  2. the chemicals used at the start of a reaction
  3. neutral particles in an atom found in the nucleus
  4. the solid produced when two liquids react
  5. equation shows what chemicals are at the start and the end of a reaction
  6. new chemicals are made
  7. when a chemical breaks apart into 2 or more chemicals in a reaction
  8. smaller negative particles orbiting the nucleus
  9. Property change in appearance, easily visible
  10. when chemicals swap partners in a reaction
  11. pure substances containing only one type of atom
  12. number number of protons in an atom

25 Clues: new chemicals are made • 2 or more molecules or compounds • a reaction with oxygen (burning) • two or more atoms joined together • the chemicals made by the equation • number number of protons in an atom • of reaction how fast a reaction happens • the solid produced when two liquids react • 2 or more different atoms joined together • ...

Samantha Knapke Unit 2 2025-03-24

Samantha Knapke Unit 2 crossword puzzle
Across
  1. result of chemical reaction of enzyme
  2. what ataches to enzyme during chemical reaction
  3. energy used to move molecules
  4. diffusion of water across membrane
  5. made from tissue
  6. basic unit of mater
  7. made from organ
  8. likes water
  9. only lets some molecules through a cell
  10. where chemical reactions occur on enzyme
Down
  1. molecules move from close to apart naturally
  2. made from cells
  3. towers energy required to start chemical reaction
  4. transport moving molecules in cell with no energy used
  5. basic unit of life and made from organelles
  6. molecule with a water liking head and water hating tail
  7. made from organ system
  8. a cells shape was changed so substrate no longer fits
  9. made from molecules
  10. dislikes water
  11. made from atoms
  12. proteins that speed up metabolism

22 Clues: likes water • dislikes water • made from cells • made from organ • made from atoms • made from tissue • made from molecules • basic unit of mater • made from organ system • energy used to move molecules • proteins that speed up metabolism • diffusion of water across membrane • result of chemical reaction of enzyme • only lets some molecules through a cell • ...

Chemistry: Types of Bonds and Reactions 2023-04-20

Chemistry: Types of Bonds and Reactions crossword puzzle
Across
  1. A chemical reaction where two compounds trade placements to create an insoluble solid.
  2. Atoms that are grouped with the same name because they have the same number of protons.
  3. A type of electron in the highest energy level that are involved in bonding.
  4. The charge of a cation.
  5. An ion formed by gaining valence electrons.
  6. A chemical reaction where a hydrocarbon is combined with oxygen to form carbon dioxide and water.
  7. Type of bond between an anion and cation.
  8. A column of elements with the same number of valence electrons on the Periodic Table.
  9. The charge of an anion.
  10. The charge on an Aluminum ion.
  11. The charge on an Oxygen ion (oxide ion).
  12. An ion formed by losing valence electrons.
Down
  1. A chemical reaction where low complexity chemicals combine to form a larger, more complex compound.
  2. A chemical reaction where a lower reactivity element is replaced in a compound by a higher reactivity element.
  3. Type of bond between metals freely sharing valence electrons.
  4. Protons - Electrons = _______________
  5. A chemical reaction where a single large compound breaks apart into smaller, less complex chemicals.
  6. A row representing an energy level on the Periodic Table.
  7. Type of bond between two neutral atoms sharing valence electrons.
  8. A full set of valence electrons.

20 Clues: The charge of a cation. • The charge of an anion. • The charge on an Aluminum ion. • A full set of valence electrons. • Protons - Electrons = _______________ • The charge on an Oxygen ion (oxide ion). • Type of bond between an anion and cation. • An ion formed by losing valence electrons. • An ion formed by gaining valence electrons. • ...

Enzymes Crossword Puzzle 2024-04-25

Enzymes Crossword Puzzle crossword puzzle
Across
  1. Substances that start a chemical reaction and are transformed during it
  2. Substance that increases the rate of a chemical reaction without being consumed
  3. Building blocks of proteins
  4. Factor that affects enzyme activity
  5. The substance on which an enzyme acts
  6. Relates to an enzyme's ability to choose exactly one substrate
  7. Part of the enzyme where the substrate binds
  8. Tube that connects the throat to the stomach
Down
  1. Process in which proteins lose their structure due to external stress
  2. Juices Fluids in the stomach that aid in digestion
  3. Fluid in the mouth that contains enzymes like amylase
  4. Enzyme that helps digest carbohydrates
  5. Energy The minimum energy needed to start a chemical reaction
  6. Organ system responsible for breaking down food and absorbing nutrients
  7. Substances that result from a chemical reaction
  8. Enzyme that breaks down hydrogen peroxide into water and oxygen
  9. Process where substances are transformed into different substances
  10. Scale used to measure how acidic or basic a solution is
  11. Model explaining how enzymes and substrates fit together
  12. Large molecules composed of amino acids, essential for body functions
  13. Enzyme in the stomach that breaks down proteins in food
  14. Enzyme that breaks down fats
  15. Biological catalyst that speeds up chemical reactions in cells

23 Clues: Building blocks of proteins • Enzyme that breaks down fats • Factor that affects enzyme activity • The substance on which an enzyme acts • Enzyme that helps digest carbohydrates • Part of the enzyme where the substrate binds • Tube that connects the throat to the stomach • Substances that result from a chemical reaction • Juices Fluids in the stomach that aid in digestion • ...

Y8 Chemical Reactions Crossword 2025-02-04

Y8 Chemical Reactions Crossword crossword puzzle
Across
  1. A chemical which can cause inflammation
  2. When a liquid turns into a gas. We can heat a solution gently to remove a solvent from it.
  3. A chemical which neutralises an acid
  4. The chemicals formed at the end of a reaction
  5. A chemical that speeds up the rate of a reaction but is not used up in the reaction.
  6. A surface which allows light (or other waves) to bounce off it
  7. combustion A chemical reaction which occurs when fuel is burnt with plenty of oxygen
  8. The chemicals needed to start a reaction
  9. A reaction which occurs when an acid is added to an alkali
  10. A solution that contains hydrogen and has a sharp sour taste
  11. Rings like a bell when struck
  12. Caused by excess acid being produced in the stomach and escaping to areas where cells are not protected from it.
  13. Can be bent into a shape
  14. A force that holds to atoms together
  15. scale A scale of numbers used to identify the strength of an acid or alkali.
  16. Treat acidic soil with lime to reduce the pH and ensure better growth of certain crops
  17. Can be drawn into wires
  18. When a solute dissolves in a solvent
  19. A chemical produced by neutralisation that has a metal part and a non-metal part.
  20. A reaction which gives out energy.
Down
  1. The process by which a solid forms, where the atoms or molecules are highly organised into a structure known as a crystal.
  2. When a substance gains oxygen
  3. A chemical reaction which occurs when a fuel reacts with oxygen
  4. indicator A type of indicator which can tell you the strength of an acid or alkali
  5. A reaction which takes in energy
  6. When iron has reacted with water and air
  7. Symbols and numbers showing which elements have been chemically bonded together to make the compound.
  8. A substance that changes colour depending on the solution it is in.
  9. When a metal becomes dull in colour due to a reaction with oxygen
  10. A compound that contains hydrogen and carbon only
  11. A symptom of indigestion; a pain in the chest due to excess acid in the gullet/oesophagus.
  12. A solution in which no more solute will dissolve.
  13. A mixture of gases that surround the Earth
  14. A solution that contains oxygen and hydrogen usually used in cleaning products
  15. A chemical which can damage living tissue
  16. combustion A chemical reaction which occurs when fuel is burnt with little oxygen
  17. variable The thing which is measured in an experiment
  18. variable The thing which is changed in an experiment
  19. A paper indicator for acids and alkalis

39 Clues: Can be drawn into wires • Can be bent into a shape • When a substance gains oxygen • Rings like a bell when struck • A reaction which takes in energy • A reaction which gives out energy. • A chemical which neutralises an acid • A force that holds to atoms together • When a solute dissolves in a solvent • A chemical which can cause inflammation • ...

U5 Vocab 2024-11-15

U5 Vocab crossword puzzle
Across
  1. When the parts of a compound equally makeup said compound
  2. The process that occurs when 2 or more molecules interact to form a new product
  3. Production of chemical compounds by reaction from simpler materials
  4. A substance that takes part in and undergoes change during a reaction
  5. Equations where there is only 1 chemical formula of reactants & products
Down
  1. Symbolic representations of chemical reactions in which the reactants & the products are in their chemical formula
  2. Multiple atoms in an ion
  3. Any system that is closed to the transfer of matter, the amount of matter stays constant
  4. Positive, negative, or neutral in a full octet
  5. A number placed in front of a chemical symbol or formula that show how many atoms of the substance are in the reaction
  6. Writing below the normal letters
  7. A substance that is present at the end of a chemical reaction
  8. Indicates the reaction from the reactants to the products
  9. How chemicals are written numerically
  10. Chemical naming

15 Clues: Chemical naming • Multiple atoms in an ion • Writing below the normal letters • How chemicals are written numerically • Positive, negative, or neutral in a full octet • When the parts of a compound equally makeup said compound • Indicates the reaction from the reactants to the products • A substance that is present at the end of a chemical reaction • ...

Enzymes and Reactions 2025-09-30

Enzymes and Reactions crossword puzzle
Across
  1. abbreviation of 6 elements used to build most biotic life
  2. reaction that feels cold
  3. what the enzyme acts on
  4. special protein that speeds up a chemical reaction
  5. what is left after the chemical reaction
  6. building block of carbohydrates
  7. how energy is felt in many reactions
  8. section of the enzyme that binds to the substrate
Down
  1. building block of nucleic acid
  2. stops an enzyme from reacting with a substrate
  3. the amount of energy needed to start a chemical reaction
  4. reaction that feels hot
  5. building block of protein
  6. acid building block of lipids
  7. something that starts or speeds up a reaction

15 Clues: reaction that feels hot • what the enzyme acts on • reaction that feels cold • building block of protein • building block of nucleic acid • building block of carbohydrates • acid building block of lipids • how energy is felt in many reactions • what is left after the chemical reaction • something that starts or speeds up a reaction • ...

Y8 Chemical Reactions Crossword 2025-02-04

Y8 Chemical Reactions Crossword crossword puzzle
Across
  1. Can be bent into a shape
  2. Can be drawn into wires
  3. A chemical which can cause inflammation
  4. Symbols and numbers showing which elements have been chemically bonded together to make the compound.
  5. A symptom of indigestion; a pain in the chest due to excess acid in the gullet/oesophagus.
  6. Data (usually numbers) that can take any value
  7. A series of steps used to test a question
  8. Data that can be put into categories
  9. solution A solution in which no more solute will dissolve.
  10. A substance that changes colour depending on the solution it is in.
  11. A chemical that speeds up the rate of a reaction but is not used up in the reaction.
  12. A chemical which neutralises an acid
  13. A chemical which can damage living tissue
  14. of mass The mass of the reactants to equal to the mass of the products
  15. A force applied to an area caused by particles hitting the surface of an object
  16. variable The thing which is measured in an experiment
  17. When iron has reacted with water and air
  18. A chemical produced by neutralisation that has a metal part and a non-metal part.
  19. scale A scale of numbers used to identify the strength of an acid or alkali.
  20. The process by which a solid forms, where the atoms or molecules are highly organised into a structure known as a crystal.
  21. The chemicals needed to start a reaction
  22. Caused by excess acid being produced in the stomach and escaping to areas where cells are not protected from it.
  23. reaction A reaction which takes in energy
  24. When a substance gains oxygen
Down
  1. Treat acidic soil with lime to reduce the pH and ensure better growth of certain crops
  2. reaction A reaction which gives out energy
  3. combustion A chemical reaction which occurs when fuel is burnt with plenty of oxygen
  4. A reaction between an acid and a base to produce a salt plus water
  5. variable The thing which is changed in an experiment
  6. body temperature The temperature of the body at its’ core - in humans it is around 37.5oC
  7. indicator A type of indicator which can tell you the strength of an acid or alkali
  8. A group of different tissues working together to carry out a similar process
  9. A compound that contains hydrogen and carbon only
  10. A solution that contains oxygen and hydrogen usually used in cleaning products
  11. A chemical reaction which occurs when a fuel reacts with oxygen
  12. Rings like a bell when struck
  13. A solution that contains hydrogen and has a sharp sour taste
  14. combustion A chemical reaction which occurs when fuel is burnt with little oxygen
  15. incomplete combustion A chemical reaction which occurs when fuel is burnt with very little oxygen
  16. A mixture of gases that surround the Earth
  17. A surface which allows light (or other waves) to bounce off it
  18. The chemicals formed at the end of a reaction
  19. A reaction which gives out energy.
  20. A condition when the body becomes too cold and can no longer function properly
  21. When a solute dissolves in a solvent
  22. A force that holds to atoms together
  23. A type of indicator for acids and alkalis
  24. When a liquid turns into a gas. We can heat a solution gently to remove a solvent from it.
  25. A reaction which occurs when an acid is added to an alkali
  26. When a metal becomes dull in colour due to a reaction with oxygen

50 Clues: Can be drawn into wires • Can be bent into a shape • Rings like a bell when struck • When a substance gains oxygen • A reaction which gives out energy. • Data that can be put into categories • A chemical which neutralises an acid • When a solute dissolves in a solvent • A force that holds to atoms together • A chemical which can cause inflammation • ...

Semester 1 Biology Crossword Puzzle 2021-01-26

Semester 1 Biology Crossword Puzzle crossword puzzle
Across
  1. A volcanic eruption would be what kind of limiting factor?
  2. When a molecule of a solvent passes through a membrane from a low concentration to a higher concentration it is known as what?
  3. What kind of environment would a cell have to be placed in, in order for water to leave the cell?
  4. If an organism has stable chemical and physical conditions, what is it considered to be at?
  5. A chemical reaction cannot occur because there is not any oxygen present. This chemical reaction would be considered what?
  6. A chemical reaction may not be able to occur if not enough energy is present. What is the energy called that is needed for a chemical reaction to occur?
  7. You throw a ball across the room. What human body system allowed you to move your arm in order to throw the ball?
  8. What kind of environment would a cell have to be placed in, in order for water to enter the cell?
  9. What reaction converts oxygen and glucose into water and carbon dioxide?
  10. In the chemical reaction that makes ammonia, iron helps speed up the reaction. In this situation, what does the iron act as?
  11. You are at a stop light that has just turned green so you put pressure on your gas pedal. Which human body system sent signals that allowed you to preform this action?
  12. two molecules of water sticking to each other would be considered what?
Down
  1. A chemical reaction occurs even though no oxygen is present. This chemical reaction would be considered what?
  2. The oxygen content in blood decreases to 50% when entering the right side of the heart, and increases to 95% when entering the left side. What is this is an example of?
  3. The availability of food would be what kind of limiting factor?
  4. A crab moving to a new beach with more resources would be considered what?
  5. The circulatory system in the human body is also what other kind of system?
  6. In the human body, what things combine to make proteins necessary for life?
  7. What reaction converts carbon dioxide and water into oxygen and glucose?
  8. A rabbit moving out of a forest because there are limited resources would be considered what?
  9. You run a mile, and start breathing heavily. Which human body system is allowing you to breathe in this way?
  10. A bee pollinating a flower would be classified as which type of relationship?
  11. When there is an equal concentration of molecules on each side of a membrane during osmosis it is referred to as what?
  12. Reaction occurring in the mitochondrial matrix that produces carbon dioxide, NADH, FADH2, and ATP.
  13. Starch, glycogen, and cellulose are examples of what?

25 Clues: Starch, glycogen, and cellulose are examples of what? • A volcanic eruption would be what kind of limiting factor? • The availability of food would be what kind of limiting factor? • two molecules of water sticking to each other would be considered what? • What reaction converts carbon dioxide and water into oxygen and glucose? • ...

Reaction of the Storyboard 2014-01-21

Reaction of the Storyboard crossword puzzle
Across
  1. increasing substance
  2. reaction separation of substance
  3. equation symbolic representation
  4. displacement reaction type of salt reaction
  5. contains water
  6. undergoes a change
  7. reaction purposeful reaction
Down
  1. reaction type of burning
  2. of Conservation of Mass relating to chemical reactions
  3. displacement reaction type of oxidation
  4. molecule composed of 2 atoms
  5. happens suddenly
  6. substance

13 Clues: substance • contains water • happens suddenly • undergoes a change • increasing substance • reaction type of burning • reaction purposeful reaction • molecule composed of 2 atoms • reaction separation of substance • equation symbolic representation • displacement reaction type of oxidation • displacement reaction type of salt reaction • ...

Unit 11 Redox Review 2023-05-11

Unit 11 Redox Review crossword puzzle
Across
  1. when an atom gains or loses electrons to have a charge
  2. the side of the cell where oxidation occurs
  3. a cell in which a spontaneous reaction turns chemical energy into electrical energy
  4. a reaction that requires additional energy in order for it to happen
  5. shows which elements were oxidized or reduced as well as indicates how many electrons were lost of gained
  6. the decomposition of a compound
  7. this part of the reaction will always have an oxidation state of zero
  8. a cell in which a battery is needed for a nonspontaneous reaction to turn electric energy into chemical energy
  9. a reaction that can happen on its own
  10. the losing of electrons in a reaction
  11. a reaction where you need to use table J to determine which metal will replace the metal in a compound
Down
  1. the only category of chemical reactions that is NOT a redox reaction
  2. the charge on an element
  3. location of the flow of electrons
  4. the ions that don't have a change in oxidation state
  5. the gaining of electrons in a reaction
  6. a reaction in which there is a simultaneous transfer of electrons
  7. the side of the cell where reduction occurs
  8. when the total charge of the reactants equals the total charge of the products
  9. allows ions to flow between half cells

20 Clues: the charge on an element • the decomposition of a compound • location of the flow of electrons • a reaction that can happen on its own • the losing of electrons in a reaction • the gaining of electrons in a reaction • allows ions to flow between half cells • the side of the cell where oxidation occurs • the side of the cell where reduction occurs • ...

Y7 Chemistry 2026-03-17

Y7 Chemistry crossword puzzle
Across
  1. A scale from 0–14 that shows how acidic or alkaline a substance is
  2. change : When a substance changes colour during a reaction
  3. A substance that usually does not react like metals
  4. A change that forms new substances and is usually not reversible
  5. A solid that forms when two liquids react
  6. A reaction that cannot be changed back
  7. A substance made when an acid reacts with a base
  8. A reaction between an acid and an alkali to make salt and water
  9. A gas needed for burning and many reactions
  10. A substance that burns to release energy
  11. When a reaction makes bubbles of gas
  12. A substance with pH less than 7 that can react with metals
  13. A chemical that changes colour to show pH
Down
  1. A process where substances change to form new substances
  2. A reaction where a substance burns in oxygen
  3. A substance with pH more than 7 that dissolves in water
  4. Energy that is given out or taken in during a reaction
  5. A rise or fall in temperature during a reaction
  6. A substance that often reacts with oxygen or acid
  7. A starting substance in a chemical reaction
  8. A change where no new substance is made (e.g. melting)
  9. A new substance made in a chemical reaction
  10. A reaction where oxygen is added to a substance

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

Chemistry Crossword 2024-11-21

Chemistry Crossword crossword puzzle
Across
  1. when 2 liquids are mixed to produce a solid
  2. example-something turns pink to clear
  3. ingredients for a chemical reaction
  4. occurs when bonds break and new bonds form
  5. symbols and numbers showing the types of elements and how many there are in a molecule
  6. the bottom of a liquid in a graduated cylinder
Down
  1. larger number in front of a chemical formula that tells how many molecules there are
  2. what you measure mass with
  3. energy change reaction that does not change the temperature
  4. a change that does not change the substance
  5. a reaction that releases heat
  6. what is made in a chemical reaction
  7. a reaction that absorbs heat
  8. smaller number in a chemical formula that tells how many atoms of that element there are in the molecule
  9. holds atoms together in a molecule
  10. usually happens in the form of a change in temperature
  11. bubbles tell us this is produced

17 Clues: what you measure mass with • a reaction that absorbs heat • a reaction that releases heat • bubbles tell us this is produced • holds atoms together in a molecule • what is made in a chemical reaction • ingredients for a chemical reaction • example-something turns pink to clear • occurs when bonds break and new bonds form • a change that does not change the substance • ...

Chemical Economics C3 2015-04-27

Chemical Economics C3 crossword puzzle
Across
  1. ____ is an example of a drug made by Batch process
  2. In an ______ reaction, bonds are made
  3. Ammonia is an example of a chemical made by _____ process
  4. Is the mass of the product desired made as a percentage of all products made
  5. In an ______ reaction, bonds are broken
  6. To work out rate of reaction from a graph, you need to find the ______
  7. ________ is the sum of all relative atomic masses in a formula
  8. ______ surface area will increase the rate of reaction
  9. By increasing the _____, particles are more likely to frequently, successfully collide
  10. In an exothermic reaction, ____ energy is released
  11. _______ is used to tell if a chemical is pure or not
Down
  1. ______ is used to heat water by a liquid fuel
  2. It is important to use __________ to calculate energy transferred
  3. Diamond is used in jewellery because it is _____
  4. In a chemical reaction, mass is always ______
  5. Industries want to make reactions ____
  6. Making medicine is expensive because of the cost of _____ _____
  7. A _____ allotrope can be used to cage smaller molecules as a cancer drug
  8. An _____ is a different structural form of an element
  9. To work out percentage yield, you must divide the _____ yield by the desired yield
  10. _____ is used to make pencils
  11. For a chemical reaction to occur, there needs to a successful _____
  12. Continuous processes cost less money as it is _____

23 Clues: _____ is used to make pencils • In an ______ reaction, bonds are made • Industries want to make reactions ____ • In an ______ reaction, bonds are broken • ______ is used to heat water by a liquid fuel • In a chemical reaction, mass is always ______ • Diamond is used in jewellery because it is _____ • ____ is an example of a drug made by Batch process • ...

AP Chemistry Vocabulary 3 2024-03-25

AP Chemistry Vocabulary 3 crossword puzzle
Across
  1. A chemical equation that shows the complete chemical formulas of reactants and products
  2. Acids capable of donating more than one proton per molecule in a chemical reaction
  3. A change in the state of matter without a change in its chemical composition
  4. Regions within an energy level where electrons are likely to be found
  5. The amount of heat required to raise the temperature of a unit mass of a substance by one degree Celsius
  6. Models that use electron pair repulsion theory to predict the three-dimensional shapes of molecules
  7. he energy possessed by a system due to its position or configuration
  8. Having a negative Gibb's Free Energy
  9. The quantitative study of reactants and products in chemical reactions
  10. Compounds with the same molecular formula but different structural arrangements
  11. Chemical reactions in which two or more substances combine to form a new compound
  12. The overall energy change that occurs during a chemical reaction:
  13. Electrons occupying the outermost energy level of an atom, determining its chemical properties
  14. The tendency of a substance to evaporate or change into a vapor, particularly at low temperatures
  15. The immediate environment and conditions affecting a chemical reaction or system
  16. A technique used to study the energy levels of atoms and molecules by analyzing the energy of emitted photons
  17. Describing forces or interactions that push objects away from each other
  18. A model used to describe the arrangement of electrons in an atom, with electrons occupying energy levels or shells
  19. A region in an atom where there is a high probability of finding an electron:
  20. Occurring naturally without external intervention
  21. A reaction where the rate of reaction is not influenced by the concentration of reactants, products, or catalysts
  22. The negative logarithm of the acid dissociation constant
  23. The property of the surface of a liquid that allows it to resist an external force
  24. The negative logarithm of the hydroxide ion concentration in a solution
  25. Component dissolved in a solvent to form a homogeneous mixture
  26. A chemical reaction that proceeds with a rate proportional to the concentration of two reactants
  27. A chemical reaction involving only one reactant molecule
  28. The measure of a fluid's internal friction and resistance to flow, often influenced by temperature and molecular size:
  29. A measure of a chemical cell's voltage under standard conditions
  30. Alloy in which some of the atoms of the main metal are replaced by atoms of other elements
  31. The branch of physical science that studies the relations between heat and other forms of energy
  32. A formula that indicates the types of atoms and the number of each type in a molecule
  33. Chemical reactions involving the transfer of electrons between reactants
  34. The speed at which a chemical reaction takes place
  35. The tendency of a species to gain electrons and be reduced during a redox reaction
  36. The change in enthalpy that accompanies the formation of one mole of a substance from its elements in their standard states
  37. The highest energy state along the reaction pathway, where reactant bonds are breaking and product bonds are forming
Down
  1. The repeating pattern of chemical and physical properties of elements in the periodic table
  2. Acids that only partially ionize in solution, resulting in a weak acidic behavior
  3. The sequence of individual chemical reactions that occur during the overall reaction process
  4. The state where the rates of dissolution and precipitation of a solute from a solution are equal
  5. A solid formed during a chemical reaction in a liquid solution
  6. The fundamental constant representing the relationship between the energy of a photon and its frequency
  7. The ratio of the concentrations of products to reactants in a chemical reaction at any point in time
  8. A unit used in chemistry to represent an amount of substance, approximately 6.022 × 10^23 entities
  9. Neutral subatomic particles found in the nucleus of an atom:
  10. The complex interplay of intermolecular forces and temperature that governs the pressure exerted by a substance's vapor
  11. The portion of the universe under investigation in a thermodynamic process
  12. The distance between successive crests, troughs, or any other adjacent points in a wave
  13. The rate at which products reform reactants in a chemical reaction
  14. A homogeneous mixture formed by dissolving one or more substances in a solvent
  15. The component of a solution that dissolves the solute
  16. A substance that has a constant composition and distinct properties
  17. A measure of the acidity or basicity of a solution
  18. A covalent bond formed by the overlap of p orbitals above and below the plane of bonded atoms
  19. Acid that can donate only one proton per molecule in a chemical reaction
  20. A covalent bond formed by the overlap of atomic orbitals along the internuclear axis
  21. A constant representing the product of the concentrations of the dissolved ions in a saturated solution of a sparingly soluble salt
  22. The measure of energy transferred when a force acts upon an object over a distance
  23. A species formed and consumed during the course of a chemical reaction, but does not appear in the overall reaction equation
  24. A theory that describes the behavior of electrons in molecules in terms of their wave-like properties
  25. Positively charged subatomic particles found in the nucleus of an atom
  26. A model used to describe the behavior of electrons in atoms and molecules based on the principles of quantum mechanics
  27. The state where no net transfer of heat occurs between a system and its surroundings
  28. The maximum amount of solute that can be dissolved in a solvent under specific conditions
  29. Acids that ionize completely in solution, producing a high concentration of H⁺ ions
  30. Packets of electromagnetic energy that carry light
  31. The substance upon which an enzyme acts in a chemical reaction
  32. The process of determining the concentration of a solution by reacting it with a solution of known concentration
  33. Groups of atoms held together by chemical bonds
  34. A solution of known concentration used to determine the concentration of another solution

71 Clues: Having a negative Gibb's Free Energy • Groups of atoms held together by chemical bonds • Occurring naturally without external intervention • A measure of the acidity or basicity of a solution • Packets of electromagnetic energy that carry light • The speed at which a chemical reaction takes place • The component of a solution that dissolves the solute • ...

Chemistry Crossword Puzzle 2022-11-18

Chemistry Crossword Puzzle crossword puzzle
Across
  1. a chemical reaction of a powerful release when oxygen is added
  2. a substance made up of two or more elements
  3. a number that comes after an elemental symbol
  4. replacement a chemical reaction where one reactant exchanges one of its elements with another reactant
  5. a charged atom
  6. an element that you start with in a reaction
  7. an element that isn't naturally found by itself in nature
Down
  1. a chemical reaction where one or more elements is broken down into one or more elements
  2. a number you place in front of a reactant; used to balance equations
  3. a chemical reaction where two reactants exchange one element
  4. a bond between two non-metal atoms
  5. the resulting substance of a reaction
  6. a chemical reaction where the reactants combine to create a brand new product
  7. a bond between a non-metal atom and a metal atom

14 Clues: a charged atom • a bond between two non-metal atoms • the resulting substance of a reaction • a substance made up of two or more elements • an element that you start with in a reaction • a number that comes after an elemental symbol • a bond between a non-metal atom and a metal atom • an element that isn't naturally found by itself in nature • ...

Chemistry of Life 2024-01-25

Chemistry of Life crossword puzzle
Across
  1. the distribution of electrical charge over atoms that are bonded.
  2. water molecules bond with other water molecules to produce surface tension.
  3. a substance that dissolves another substance.
  4. the result of a chemical reaction
  5. substances that participate in a chemical reaction.
  6. polymer composed of amino acids linked by peptide bonds.
  7. a state in which opposing forces are balanced.
  8. molecule that makes up proteins; composed of carbon, hydrogen, oxygen, and nitrogen.
  9. a substance being dissolved.
Down
  1. molecule composed of carbon, hydrogen, and oxygen which can include sugars or starches.
  2. molecule that carries genetic information which is used to make proteins.
  3. the minimum quantity of energy required for a chemical reaction to begin.
  4. single molecules
  5. fatty acid
  6. large, carbon-based molecule formed by monomers.
  7. the bond between a hydrogen atom and an oxygen or nitrogen atom.
  8. substance that decreases activation energy and increases reaction rate in a chemical reaction.

17 Clues: fatty acid • single molecules • a substance being dissolved. • the result of a chemical reaction • a substance that dissolves another substance. • a state in which opposing forces are balanced. • large, carbon-based molecule formed by monomers. • substances that participate in a chemical reaction. • polymer composed of amino acids linked by peptide bonds. • ...

Chemistry of Life 2024-01-25

Chemistry of Life crossword puzzle
Across
  1. fatty acid
  2. the result of a chemical reaction
  3. the minimum quantity of energy required for a chemical reaction to begin.
  4. a substance that dissolves another substance.
  5. water molecules bond with other water molecules to produce surface tension.
  6. molecule that makes up proteins; composed of carbon, hydrogen, oxygen, and nitrogen.
  7. single molecules
Down
  1. molecule composed of carbon, hydrogen, and oxygen which can include sugars or starches.
  2. a state in which opposing forces are balanced.
  3. a substance being dissolved.
  4. substance that decreases activation energy and increases reaction rate in a chemical reaction.
  5. substances that participate in a chemical reaction.
  6. molecule that carries genetic information which is used to make proteins.
  7. the distribution of electrical charge over atoms that are bonded.
  8. the bond between a hydrogen atom and an oxygen or nitrogen atom.
  9. polymer composed of amino acids linked by peptide bonds.
  10. large, carbon-based molecule formed by monomers.

17 Clues: fatty acid • single molecules • a substance being dissolved. • the result of a chemical reaction • a substance that dissolves another substance. • a state in which opposing forces are balanced. • large, carbon-based molecule formed by monomers. • substances that participate in a chemical reaction. • polymer composed of amino acids linked by peptide bonds. • ...

Chemistry Crossword 2024-11-21

Chemistry Crossword crossword puzzle
Across
  1. when 2 liquids are mixed to produce a solid
  2. example-something turns pink to clear
  3. ingredients for a chemical reaction
  4. occurs when bonds break and new bonds form
  5. symbols and numbers showing the types of elements and how many there are in a molecule
  6. the bottom of a liquid in a graduated cylinder
Down
  1. larger number in front of a chemical formula that tells how many molecules there are
  2. what you measure mass with
  3. energy change reaction that does not change the temperature
  4. a change that does not change the substance
  5. a reaction that releases heat
  6. what is made in a chemical reaction
  7. a reaction that absorbs heat
  8. smaller number in a chemical formula that tells how many atoms of that element there are in the molecule
  9. holds atoms together in a molecule
  10. usually happens in the form of a change in temperature
  11. bubbles tell us this is produced

17 Clues: what you measure mass with • a reaction that absorbs heat • a reaction that releases heat • bubbles tell us this is produced • holds atoms together in a molecule • what is made in a chemical reaction • ingredients for a chemical reaction • example-something turns pink to clear • occurs when bonds break and new bonds form • a change that does not change the substance • ...

Changes in matter 2025-04-24

Changes in matter crossword puzzle
Across
  1. Substance that speeds up a chemical reaction
  2. atoms connected
  3. chemical components
  4. amount of matter
  5. a substance
  6. scientific study of composition structure
  7. chemical substance
  8. transferring heat
  9. atoms combine
Down
  1. attraction of molecules
  2. amount of energy transfer
  3. 3D space
  4. smallest unit matter can be divided into
  5. substances converted
  6. average kinetic energy
  7. stuff,takes up space
  8. elements combine
  9. a pure substance

18 Clues: 3D space • a substance • atoms combine • atoms connected • amount of matter • elements combine • a pure substance • transferring heat • chemical substance • chemical components • substances converted • stuff,takes up space • average kinetic energy • attraction of molecules • amount of energy transfer • smallest unit matter can be divided into • scientific study of composition structure • ...

Jena Brown Chapter 13 2016-10-10

Jena Brown Chapter 13 crossword puzzle
Across
  1. the big number of a chemical equation
  2. the energy stored in molecules that can be released during a reaction
  3. two elements change teams
  4. energy is transferred to reactants from surroundings
  5. this must be added to break bonds
  6. a substance that undergoes a chemical change
Down
  1. the small number of a chemical equation
  2. one element changes teams
  3. hydrogen and carbon are
  4. the reaction that breaks down the compound
  5. this reaction is shown by oxides
  6. a substance that is the result of a chemical change
  7. the reaction that builds a bigger compound
  8. are exothermic and endothermic reactions energy reactions or chemical reactions
  9. energy transfers from reactants to surroundings

15 Clues: hydrogen and carbon are • one element changes teams • two elements change teams • this reaction is shown by oxides • this must be added to break bonds • the big number of a chemical equation • the small number of a chemical equation • the reaction that breaks down the compound • the reaction that builds a bigger compound • a substance that undergoes a chemical change • ...

S2I6 E 1&2 Chemical Reactions Vocabulary 2025-04-25

S2I6 E 1&2 Chemical Reactions Vocabulary crossword puzzle
Across
  1. A chemical change in which one element replaces a second element in a compound.
  2. A chemical equation that does not indicate the relative amounts of the reactants and products.
  3. For a typical chemical reaction, the mass of the products is always equal to the mass of the reactants.
  4. For a typical chemical reaction, energy is neither created nor destroyed.
  5. A chemical change in which two or more substances react to form a single new substance.
  6. Bonds are broken when molecules collide with enough energy.
  7. Reactions that release net energy into the surroundings.
  8. A compound composed of hydrogen and carbon.
  9. A chemical change in which an element or a compound reacts with oxygen.
Down
  1. Lists the relative reactivities of elements within groups, such as metals and halogens.
  2. The speed at which reactants become products.
  3. Substances present before a reaction.
  4. A chemical change involving an exchange of positive ions between two compounds.
  5. The numbers in front of terms used to balance and equation so it obeys the las of conservation of mass.
  6. A chemical change in which a single compound breaks down into two or more products.
  7. The energy stored in the chemical bonds of a substance.
  8. Reactions that absorb net energy from the surroundings.
  9. Substances present after a reaction.

18 Clues: Substances present after a reaction. • Substances present before a reaction. • A compound composed of hydrogen and carbon. • The speed at which reactants become products. • The energy stored in the chemical bonds of a substance. • Reactions that absorb net energy from the surroundings. • Reactions that release net energy into the surroundings. • ...

Chemistry First Six Weeks Crossword 2024-09-18

Chemistry First Six Weeks Crossword crossword puzzle
Across
  1. - A scale used to measure the acidity or basicity of a solution.
  2. - A substance that accepts protons (H⁺ ions) or donates hydroxide ions (OH⁻) in a chemical reaction.
  3. - A group of atoms bonded together, representing the smallest unit of a chemical compound.
  4. - A measure of an atom's ability to attract and hold onto electrons in a chemical bond.
  5. - The substance in which a solute is dissolved to form a solution.
  6. - A homogeneous mixture of two or more substances.
  7. - A substance formed as a result of a chemical reaction.
  8. - The speed at which a chemical reaction occurs.
  9. - The distance from the nucleus of an atom to the outermost electron shell.
  10. - The calculation of reactants and products in chemical reactions based on the balanced equation.
  11. - A substance formed when two or more elements are chemically bonded together.
  12. - A substance that dissociates into ions when dissolved in water, conducting electricity.
  13. - A substance that donates protons (H⁺ ions) in a chemical reaction.
  14. - A covalent bond where electrons are shared equally between two atoms.
  15. - A substance that undergoes a chemical change in a reaction.
  16. - The branch of chemistry that studies the heat changes that occur during chemical reactions.
Down
  1. - A measure of the concentration of a solution, defined as moles of solute per liter of solution.
  2. - The force that holds atoms together in a molecule or compound.
  3. - The substance that is dissolved in a solvent to form a solution.
  4. - Electrons in the outermost shell of an atom that are involved in chemical bonding.
  5. - A substance that increases the rate of a chemical reaction without being consumed in the process.
  6. - The basic unit of a chemical element, consisting of a nucleus and electrons.
  7. - A type of chemical bond where electrons are transferred from one atom to another, creating ions.
  8. - A type of chemical bond where atoms share electrons.
  9. - A tabular arrangement of elements based on their atomic number and chemical properties.
  10. - Atoms of the same element with different numbers of neutrons and different mass numbers.
  11. - An atom or molecule that has gained or lost one or more electrons, resulting in a charged particle.
  12. - A pure substance consisting entirely of one type of atom.
  13. - A covalent bond in which electrons are not shared equally between the two atoms.
  14. - The energy required to remove an electron from an atom or ion in its gaseous state.

30 Clues: - The speed at which a chemical reaction occurs. • - A homogeneous mixture of two or more substances. • - A type of chemical bond where atoms share electrons. • - A substance formed as a result of a chemical reaction. • - A pure substance consisting entirely of one type of atom. • - A substance that undergoes a chemical change in a reaction. • ...

Chemical Reactions 2020-04-08

Chemical Reactions crossword puzzle
Across
  1. a process by where one or two substances undergo change
  2. a colorless, odorless flammable gas
  3. basic unit of chemical element
  4. starting material in chemical reaction
  5. a particular kind of matter with uniform properties
  6. a number below element telling how many atoms
  7. large number telling how many molecules of substance
  8. the quality of being hot;high temperature
  9. power derived from the utilization of physical or chemical resources
  10. The amount of product obtained in a chemical reaction
Down
  1. accompanied by the release of heat
  2. a colorless, odorless reactive gas
  3. state of matter formed from solid and liquid states
  4. a bond of atoms
  5. substances formed from chemical reaction
  6. a body having finite mass
  7. a stable particle with positive charge
  8. a symbolic representation of a compound
  9. requiring the absorption of heat

19 Clues: a bond of atoms • a body having finite mass • basic unit of chemical element • requiring the absorption of heat • accompanied by the release of heat • a colorless, odorless reactive gas • a colorless, odorless flammable gas • starting material in chemical reaction • a stable particle with positive charge • a symbolic representation of a compound • ...

Changes In Matter: Lessons 1 & 2 2024-06-04

Changes In Matter: Lessons 1 & 2 crossword puzzle
Across
  1. NEW SUBSTANCES CREATED AFTER A CHEMICAL CHANGE.
  2. THE MOST REACTIVE HALOGEN GAS.
  3. METAL USED ON SPACECRAFTS.
  4. METAL USED FOR WHEEL BRAKES ON SPACE SHUTTLES.
  5. SUBSTANCES BEFORE A CHEMICAL CHANGE.
  6. THE MOST REACTIVE METALS ON THE PERIODIC TABLE.
  7. SOMETHING THAT ALLOWS HEAT & ELECTRICITY TO FLOW THROUGH EASILY.
  8. WHEN METAL CHANGES COLOR FROM REACTING WITH OXYGEN OR SULFUR.
  9. HOW EASILY A SUBSTANCE TAKES PART IN A CHEMICAL REACTION.
Down
  1. THE SOFTEST METAL.
  2. ANOTHER NAME FOR IRON OXIDE.
  3. DURING A CHEMICAL REACTION, THE ATOMS & MOLECULES IN THE REACTANTS ARE ___________.
  4. A METAL THAT MELTS AT 30°C.
  5. A MIXTURE OF TWO OR MORE METALS AND NONMETALS.
  6. A GOOD CONDUCTOR OF HEAT AND ELECTRICITY.
  7. A LIQUID METAL USED IN BAROMETERS & THERMOMETERS.
  8. AN ALLOY MADE OF COPPER AND TIN.
  9. THE TOTAL MASS OF THE REACTANTS EQUALS THE TOTAL ________ OF THE PRODUCTS.
  10. ANOTHER NAME FOR A CHEMICAL CHANGE IS A CHEMICAL ___________.
  11. SOMETHING THAT HEAT & ELECTRICITY WON'T FLOW THROUGH EASILY.

20 Clues: THE SOFTEST METAL. • METAL USED ON SPACECRAFTS. • A METAL THAT MELTS AT 30°C. • ANOTHER NAME FOR IRON OXIDE. • THE MOST REACTIVE HALOGEN GAS. • AN ALLOY MADE OF COPPER AND TIN. • SUBSTANCES BEFORE A CHEMICAL CHANGE. • A GOOD CONDUCTOR OF HEAT AND ELECTRICITY. • METAL USED FOR WHEEL BRAKES ON SPACE SHUTTLES. • A MIXTURE OF TWO OR MORE METALS AND NONMETALS. • ...

Basics of Chemistry- Chapter 12 2019-04-02

Basics of Chemistry- Chapter 12 crossword puzzle
Across
  1. The center of an atom
  2. No fixed volume or shape
  3. The basic unit of matter
  4. Takes the shape of the container
  5. A molecule containing 2 or more atoms of the same element
  6. Chemical reaction that a significant amount of heat
  7. The simplest form of chemical matter
  8. The chemistry that studies substances that contain carbon
  9. Properties determined by a chemical reaction and change in the substance
Down
  1. A chemical combination of 2 or more atoms of different elements
  2. Has rigid fixed shape and volume
  3. Any substance that occupies space
  4. A chemical combination of tow or more atoms in fixed proportions
  5. The chemistry that studies substances that do no contain carbon
  6. Properties that do not involve a chemical change
  7. Oxidation-reduction- chemical reaction

16 Clues: The center of an atom • No fixed volume or shape • The basic unit of matter • Has rigid fixed shape and volume • Takes the shape of the container • Any substance that occupies space • The simplest form of chemical matter • Oxidation-reduction- chemical reaction • Properties that do not involve a chemical change • Chemical reaction that a significant amount of heat • ...

Introduction to Chemical Reactions 2024-04-09

Introduction to Chemical Reactions crossword puzzle
Across
  1. one or two letters used to represent an element
  2. the substance that is formed from a chemical reaction
  3. a solid that forms from a solution during a chemical reaction
  4. a substance that cannot be broken down into simpler substances by ordinary chemical processes
  5. uses symbols and formulas to show chemical reactions
  6. the substance that undergoes the chemical change
  7. a chemical reaction in which heat is given off
Down
  1. matter is neither created or destroyed during physical or chemical changes there is alwasy teh same number of each atom on both sides of the equation
  2. the study of properties, composition, and structure of substances
  3. a process in which substances undergo chemical change
  4. the regular sized numbers in front of the molecules that tell you how many are in each substance
  5. the arrow in a chemical equation
  6. a chemical reaction where heat is lost
  7. the number after the element
  8. the smallest unit into which matter can be broken down

15 Clues: the number after the element • the arrow in a chemical equation • a chemical reaction where heat is lost • a chemical reaction in which heat is given off • one or two letters used to represent an element • the substance that undergoes the chemical change • uses symbols and formulas to show chemical reactions • a process in which substances undergo chemical change • ...

Investigation 9 Crossword 2014-03-10

Investigation 9 Crossword crossword puzzle
Across
  1. the starting substances of a chemical reaction; the ingredients
  2. the basic unit of a chemical element
  3. made up of
  4. a sentence showing a relationship, usually has a + and ->
  5. to serve as a sign for
  6. not straight
  7. Oxygen, Hydrogen, and Carbon are examples of this
  8. attractive forces that hold atoms together
Down
  1. To breathe out
  2. not able to be dissolved
  3. characteristics of something
  4. to come together
  5. Magnesium sulfate, calcium chloride are examples of this
  6. the ending substances of a chemical reaction; what is made
  7. Reaction a process that changes one set of chemicals into another
  8. to do something against your will
  9. unlike anything else
  10. move into a different position
  11. System used as an example

19 Clues: made up of • not straight • To breathe out • to come together • unlike anything else • to serve as a sign for • not able to be dissolved • System used as an example • characteristics of something • move into a different position • to do something against your will • the basic unit of a chemical element • attractive forces that hold atoms together • ...

Science VoCab 2024-05-15

Science VoCab crossword puzzle
Across
  1. How much something weighs
  2. The smallest type of matter made by protons and nuetrons
  3. The substance that is present at the end of a chemical reaction
  4. Change Vinegar and baking soda
  5. Takes up space and has weight
  6. When water sticks onto a plant
  7. Property Color
  8. A substance made of only 1 type of atom
  9. When chemicals combine and something blows up
  10. Something you measure with a thermometer
  11. The space inside a tub- Volume
  12. The substance that is before the chemical reaction
Down
  1. A compound made of two or more chemical components that are not chemically linked
  2. Two or more atoms combine to form a small unit of matter
  3. Heat,light and ____ are released from a fire
  4. When a substance changes color that is a _____ Change
  5. H20 is formed molecule COMBINE together
  6. A branch of science which is chemistry
  7. Holds molecules together
  8. Property Flammability
  9. A fire lets off ___
  10. A chemical change that releases heat
  11. When a chemical change absorbs heat

23 Clues: Property Color • A fire lets off ___ • Holds molecules together • How much something weighs • Property Flammability • Takes up space and has weight • When water sticks onto a plant • The space inside a tub- Volume • Change Vinegar and baking soda • When a chemical change absorbs heat • A chemical change that releases heat • A branch of science which is chemistry • ...

Matter and Energy in Ecosystems Vocabulary 2024-03-27

Matter and Energy in Ecosystems Vocabulary crossword puzzle
Across
  1. A type of atom used to make CO2 and glucose
  2. A gas made of carbon and oxygen
  3. An organism that breaks down dead matter for energy
  4. The organelle that does cellular respiration in a cell
  5. The ability to cause change
  6. An organism that can make it's own food
  7. The smallest units of life
  8. The chemical process that plants use to make glucose
  9. A molecule animals can use to store energy
  10. Living things
  11. ____ matter. Non-living parts of an ecosystem
  12. An energy storage molecule made by photosynthesis
  13. The part of a plant cell where photosynthesis happens
Down
  1. A closed ecosystem made by humans
  2. An organism that needs to eat to gain energy
  3. A chemical used up by a chemical reaction
  4. A chemical created by a chemical reaction
  5. All the biotic and abiotic things in an area
  6. Cellular ___. The chemical reaction that gets energy out of glucose.
  7. The smallest units of matter

20 Clues: Living things • The smallest units of life • The ability to cause change • The smallest units of matter • A gas made of carbon and oxygen • A closed ecosystem made by humans • An organism that can make it's own food • A chemical used up by a chemical reaction • A chemical created by a chemical reaction • A molecule animals can use to store energy • ...

COMBUSTION 2026-02-10

COMBUSTION crossword puzzle
Across
  1. particle with negative electricity
  2. chemical compound formed of carbon and hydrogen
  3. chemical process of burning
  4. chemical substance that is changed through a chemical reaction
  5. electron loss or gain in an oxidation state
  6. transfer of energy due to temperature
Down
  1. power that produces heat
  2. a gas that is important part of photosynthesis
  3. making something burn
  4. result of a chemical reaction
  5. transparent liquid in oceans
  6. poisonous gas produced from incomplete combustion
  7. substance that can produce heat or power
  8. multiple substances change one another
  9. odorless reactive colorless gas

15 Clues: making something burn • power that produces heat • chemical process of burning • transparent liquid in oceans • result of a chemical reaction • odorless reactive colorless gas • particle with negative electricity • transfer of energy due to temperature • multiple substances change one another • substance that can produce heat or power • ...

COMBUSTION 2026-02-10

COMBUSTION crossword puzzle
Across
  1. particle with negative electricity
  2. chemical compound formed of carbon and hydrogen
  3. chemical process of burning
  4. chemical substance that is changed through a chemical reaction
  5. electron loss or gain in an oxidation state
  6. transfer of energy due to temperature
Down
  1. power that produces heat
  2. a gas that is important part of photosynthesis
  3. making something burn
  4. result of a chemical reaction
  5. transparent liquid in oceans
  6. poisonous gas produced from incomplete combustion
  7. substance that can produce heat or power
  8. multiple substances change one another
  9. odorless reactive colorless gas

15 Clues: making something burn • power that produces heat • chemical process of burning • transparent liquid in oceans • result of a chemical reaction • odorless reactive colorless gas • particle with negative electricity • transfer of energy due to temperature • multiple substances change one another • substance that can produce heat or power • ...

7C3 Revision Crossword Puzzle 2022-05-27

7C3 Revision Crossword Puzzle crossword puzzle
Across
  1. Substances with a pH exactly 7.
  2. Adding oxygen to a substance.
  3. The elements or compounds produced by a chemical reaction.
  4. A reversible change.
  5. The force that holds two atoms together.
  6. A chemical substance that is present at the start of a chemical reaction.
  7. A substance with a pH under 7.
  8. Magnesium oxide + nitric acid.
  9. A way of writing out what happens in a chemical reaction.
Down
  1. Using heat to break a compound down.
  2. An irreversible change.
  3. The reaction of acids and alkalis.
  4. Measures how acidic or alkaline a substance is.
  5. The smallest living part of an element.
  6. What forms when acids react with bases.
  7. A substance with a pH over 7.

16 Clues: A reversible change. • An irreversible change. • Adding oxygen to a substance. • A substance with a pH over 7. • A substance with a pH under 7. • Magnesium oxide + nitric acid. • Substances with a pH exactly 7. • The reaction of acids and alkalis. • Using heat to break a compound down. • The smallest living part of an element. • What forms when acids react with bases. • ...

Georgie's Crossword Puzzle 2024-05-15

Georgie's Crossword Puzzle crossword puzzle
Across
  1. Chemical reactions that absorb heat energy
  2. Material that has mass and takes up space
  3. Combined substances that can be physically separated
  4. Forces that hold atoms together
  5. The smallest unit of an element
  6. A substance that is formed when elements combine
  7. The amount of matter in an object
  8. Two or more atoms bonded together
  9. A substance that cannot be destroyed
  10. Represents before a chemical change
  11. A characteristic that is measurable and seen during a chemical reaction
  12. Same substance molecules sticking together
Down
  1. Bubbling, Change of substance, change of color, sizzles, and a new odor
  2. A characteristic that can be seen
  3. A substance after a chemical reaction
  4. The amount of Space that an object takes up
  5. The ability to do work or cause a change
  6. A reaction that gives off heat energy

18 Clues: Forces that hold atoms together • The smallest unit of an element • A characteristic that can be seen • The amount of matter in an object • Two or more atoms bonded together • Represents before a chemical change • A substance that cannot be destroyed • A substance after a chemical reaction • A reaction that gives off heat energy • The ability to do work or cause a change • ...

Chemistry 2017-03-27

Chemistry crossword puzzle
Across
  1. long-chain molecule formed by the joining of many smaller repeating molecules (Monomers)
  2. reaction that involves the breakdown of a compound into simpler substances
  3. reaction/A reaction used to produce solid products from solutions of ionic substances
  4. acid/An acid which most of its molecules release Hydrogen ions into solution
  5. rate/How fast or slow a reaction proceeds
  6. reaction that involves oxygen and releases light and heat energy
  7. mixture of a solute dissolved in a solvent such as water
  8. object or a substance that can be broken down by bacteria
  9. acid/This refers to an acid solution with a high concentration of hydrogen ions
  10. reaction that involves the building up of compounds by combining simpler substances, normally elements
  11. number of active molecules in a set volume of solution
  12. small number of active molecules (such as acid) in a solution
  13. ion/An ion that does not take part in a chemical reaction
  14. small molecule from which polymers are made
Down
  1. of joining of smaller units (Monomers) to form a long-chain molecule (Polymer)
  2. molecule that contains only Carbon and Hydrogen atoms
  3. theory/A theory stating that the particles involved in a chemical order to react
  4. reaction/A reaction that involves the combination of oxygen with a fuel or metal
  5. reaction in which an acid and a base combine to produce a metal salt and water
  6. insoluble compound formed in a precipitation reaction
  7. strong acid readily releases a Hydrogen ion in a chemical reaction; can also be used to describe the bond between different atoms
  8. substance that increases the rate of a reaction but is not used up in the reaction

22 Clues: rate/How fast or slow a reaction proceeds • small molecule from which polymers are made • molecule that contains only Carbon and Hydrogen atoms • insoluble compound formed in a precipitation reaction • number of active molecules in a set volume of solution • mixture of a solute dissolved in a solvent such as water • ...

Ch 9 2023-03-22

Ch 9 crossword puzzle
Across
  1. a chemical equation is the number written in front of a reactant or product
  2. an ionic equation that shows all of the particles in a solution as they exist
  3. ionic equation ionic equations that include only the particles that participate in the reaction
  4. reaction a chemical reaction in which two or more substances react to produce a single product
  5. equation a statement that uses chemical formulas to show the identities and relative amounts of the substances involved in a chemical reaction
  6. contains one or more substances called solutes dissolved in water
  7. the most plentiful substance in the solution
  8. the starting substances
Down
  1. a reaction in which the atoms of one element replace the atoms of another element in a compound
  2. reaction the process by which the atoms of one or more substances are rearranged to form different substances
  3. ions that do not participate in a reaction
  4. involves an exchange of ions between two compounds
  5. a solid produced during a chemical reaction in a solution
  6. reaction is one in which a single compound breaks down into two or more elements or new compounds
  7. reaction oxygen combines with a substance and releases energy in the form of heat and light
  8. the substances formed during the reaction

16 Clues: the starting substances • the substances formed during the reaction • ions that do not participate in a reaction • the most plentiful substance in the solution • involves an exchange of ions between two compounds • a solid produced during a chemical reaction in a solution • contains one or more substances called solutes dissolved in water • ...

COMBUSTION 2026-02-10

COMBUSTION crossword puzzle
Across
  1. particle with negative electricity
  2. chemical compound formed of carbon and hydrogen
  3. chemical process of burning
  4. chemical substance that is changed through a chemical reaction
  5. electron loss or gain in an oxidation state
  6. transfer of energy due to temperature
Down
  1. power that produces heat
  2. a gas that is important part of photosynthesis
  3. making something burn
  4. result of a chemical reaction
  5. transparent liquid in oceans
  6. poisonous gas produced from incomplete combustion
  7. substance that can produce heat or power
  8. multiple substances change one another
  9. odorless reactive colorless gas

15 Clues: making something burn • power that produces heat • chemical process of burning • transparent liquid in oceans • result of a chemical reaction • odorless reactive colorless gas • particle with negative electricity • transfer of energy due to temperature • multiple substances change one another • substance that can produce heat or power • ...

Chemical Reactions 2022-04-19

Chemical Reactions crossword puzzle
Across
  1. A small whole number that appears in front of a formula in a balanced chemical equation
  2. A chemical change that involves the exchange of positive ions between two compounds
  3. A chemical reaction that does not indicate the relative amounts of reactants and products
  4. A chemical change in which a single compound is broken down into two or more simpler products
  5. An ion that is not directly involved in a chemical reaction
  6. A chemical change that involves the exchange of positive ions between two ionic compounds in a solution and forms a precipitate
  7. A substance that increases the rate of reaction by lowering the activation-energy barrier
  8. A chemical equation in which mass is conserved
Down
  1. An expression representing a chemical reaction
  2. A chemical change in which one element replaces a second element in a compound
  3. A list of elements in order of decreasing activity
  4. A chemical change in which an element or compound reacts with oxygen
  5. A chemical change in which two or more substances react to form a single new substance
  6. An equation that shows dissolved ionic compounds as dissociated free ions
  7. An equation for a reaction in solution showing only those particles that are directly involved in the chemical change

15 Clues: An expression representing a chemical reaction • A chemical equation in which mass is conserved • A list of elements in order of decreasing activity • An ion that is not directly involved in a chemical reaction • A chemical change in which an element or compound reacts with oxygen • An equation that shows dissolved ionic compounds as dissociated free ions • ...

Chemical Reaction Crossword Puzzle 2023-11-06

Chemical Reaction Crossword Puzzle crossword puzzle
Across
  1. a chemical process in which a substance reacts rapidly with oxygen and gives off heat.
  2. the production of chemical compounds by reaction from simpler materials.
  3. loss of hydration
  4. substance able to increase the rate of a chemical reaction without itself being consumed or changed by the reacting chemicals
  5. (of a reaction or process) accompanied by the release of heat.
  6. substance that takes part in and undergoes change during a reaction
Down
  1. (of a reaction or process) accompanied by or requiring the absorption of heat
  2. symbolic representations of chemical reactions in which the reactants and the products are expressed in terms of their respective chemical formulae.
  3. substances formed from a chemical reaction
  4. the processes by which chemicals interact to form new chemicals with different compositions.
  5. a reaction in which one element is substituted for another element in a compound.
  6. a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.

12 Clues: loss of hydration • substances formed from a chemical reaction • (of a reaction or process) accompanied by the release of heat. • substance that takes part in and undergoes change during a reaction • the production of chemical compounds by reaction from simpler materials. • (of a reaction or process) accompanied by or requiring the absorption of heat • ...

IPC - MT 5 2023-12-11

IPC - MT 5 crossword puzzle
Across
  1. type of decay in which an atom splits and emits an alpha particle consisting of two protons and two neutrons
  2. the minimum amount of energy required to start a chemical reaction
  3. big number out front of an element or formula used to balance chemical equations
  4. type of reaction that requires the presence of oxygen
  5. the breakdown of a radioactive element, releasing particles and energy
  6. the splitting of a massive nucleus into smaller nuclei, releasing energy
  7. a fat that is liquid at room temperature; found in vegetable oils, nuts, and seeds
  8. the length of time required for half of the radioactive atoms in a sample to decay
  9. elements or compounds that enter into a chemical reaction
Down
  1. type of decay that releases gamma rays from a nucleus
  2. element used for fusion energy produced by the sun
  3. the process by which two or more small nuclei fuse to make a bigger nucleus
  4. the SI base unit to measure the amount of a substance
  5. the elements or compounds produced by a chemical reaction
  6. the smallest possible mass of a fissionable material that can sustain a chain reaction
  7. type of radioactive decay in which an electron is emitted
  8. energy that is radiated or transmitted in the form of rays, waves, or particles
  9. a substance that speeds up the rate of a chemical reaction but is not used up in the reaction

18 Clues: element used for fusion energy produced by the sun • type of decay that releases gamma rays from a nucleus • the SI base unit to measure the amount of a substance • type of reaction that requires the presence of oxygen • the elements or compounds produced by a chemical reaction • type of radioactive decay in which an electron is emitted • ...

Chemical Reactions 2020-04-07

Chemical Reactions crossword puzzle
Across
  1. written after & BELOW elements in chemical formulas
  2. A starting material in a chemical reaction(left side)
  3. representation of a chemical reaction
  4. mass is neither created or destroyed
Down
  1. Solid produced from 2 liquids in a chemical reaction
  2. Gas given off during a chemical reaction
  3. Ending materials in a chemical reaction(right side)
  4. change resulting from a chemical reaction
  5. 2 or more elements chemically combined
  6. substances change to produce different substances
  7. #s written in front an element to balance an equation

11 Clues: mass is neither created or destroyed • representation of a chemical reaction • 2 or more elements chemically combined • Gas given off during a chemical reaction • change resulting from a chemical reaction • substances change to produce different substances • Ending materials in a chemical reaction(right side) • written after & BELOW elements in chemical formulas • ...

Mr Sir 2017-03-29

Mr Sir crossword puzzle
Across
  1. the number of active molecules in a set volume of solution
  2. an object or a substance that can be broken down by bacteria, fungi and other living organisms.
  3. reaction a reaction used to produce solid products from solutions of ionic substances
  4. this refers to an acid solution with a high concentration of hydrogen ions
  5. a reaction that involves oxygen and releases light and heat energy
  6. a theory stating that the particles involved in a chemical reaction must collide in order to react
  7. a reaction that involves the breakdown of a compound into simpler substances
  8. a substance that increases the rate of a reaction but is not used up in the reaction
Down
  1. an acid which most of its molecules release hydrogen ions into solution
  2. a strong acid readily releases a hydrogen ion in a chemical reaction; can also be used to describe the bond between different atoms
  3. a reaction in which an acid and a base combine to produce a metal salt and water
  4. a small molecule from which polymers are made
  5. a molecule that contains only carbon and hydrogen atoms
  6. a reaction that involves the combination of oxygen with a fuel or metal
  7. a small number of active molecules (such as acid) in a solution
  8. rate how fast or slow a reaction proceeds
  9. an insoluble compound formed in a precipitation reaction
  10. a long-chain molecule formed by the joining of many smaller repeating molecules (monomers)
  11. a mixture of solute dissolved in a solvent such as water
  12. a reaction that involves the building up of compounds by combining simpler,normally elements
  13. process of joining smaller units(monomers) to form a long-chain molecule (polymer)
  14. an ion that does not take part in a chemical reaction

22 Clues: rate how fast or slow a reaction proceeds • a small molecule from which polymers are made • an ion that does not take part in a chemical reaction • a molecule that contains only carbon and hydrogen atoms • an insoluble compound formed in a precipitation reaction • a mixture of solute dissolved in a solvent such as water • ...

Chemistry Crossword 2015-11-17

Chemistry Crossword crossword puzzle
Across
  1. Slow chemical change that occurs when oxygen in the air reacts with a metal
  2. When two or more substances react to form a new substance
  3. A table in which the elements are organized by their physical and chemical properties
  4. Change in the appearance or state that does not change the composition
  5. An atom or group of atoms that has become electrically charged because it has lost or gained electrons
  6. Pure substance formed when when two or more non-metals combine
  7. Mixture in which the different substances that make up the mixture are visible
  8. An experiment in which all reactants and all products of a chemical reaction are accounted for
  9. Neutral particle in the nucleus of an atom
  10. New substance produced in a chemical reaction between reactants
  11. Workplace Hazardous Materials Information System
  12. Pure substances that can not be broken down into other substances
  13. Mass of one atom of an element calculated from the total number of protons, neutrons and electrons of an atom.
  14. Anything that has mass and occupies space
Down
  1. Substance made up of only one type of matter, which has a unique set of properties
  2. Substances that reacts with another substance or substances in a chemical reaction to create new substances with different properties
  3. Pure substance formed when at least one metal and non-metal combine
  4. In a chemical reaction, the total mass of the reactants is always equal to the total mass of the products
  5. Invisible negatively charged particle that orbits the nucleus of an atom
  6. Positively charged particle in the nucleus of an atom
  7. Mixture of two or more substances that looks like one substance
  8. Number of protons in the nucleus of one atom of an element
  9. Chemical reaction that absorbs energy
  10. Chemical reaction that releases energy
  11. Positively charged center of an atom that contains protons and neutrons

25 Clues: Chemical reaction that absorbs energy • Chemical reaction that releases energy • Anything that has mass and occupies space • Neutral particle in the nucleus of an atom • Workplace Hazardous Materials Information System • Positively charged particle in the nucleus of an atom • When two or more substances react to form a new substance • ...

7th Grade 1st Nine Week Review 2022-09-16

7th Grade 1st Nine Week Review crossword puzzle
Across
  1. definite volume but no definite shape
  2. substance results form a chemical reaction
  3. definite shape and volume
  4. object will sink or float
  5. amount of matter in an object
  6. total mass of the reactants will always equal the mass of the products in a chemical reaction
  7. anything that takes up space and has mass
  8. substances undergoing the change in a chemical reaction
  9. no definite shape or volume
  10. a chemical reaction takes place and at least one new product is made
Down
  1. energy cannot easily pass through material
  2. form that matter exists in
  3. removing sand from water
  4. the physical state of matter is an example of
  5. another term fora characteristic or quality
  6. removing iron from cereal
  7. something that is hard to observe
  8. removing salt from water
  9. a change in the physical properties of a substance
  10. separating oil and water
  11. force of attraction between certain metals
  12. ability that a substance will dissolve
  13. separating gravel from sand
  14. measures how much space matter takes up
  15. energy can easily pass through material

25 Clues: removing sand from water • removing salt from water • separating oil and water • removing iron from cereal • definite shape and volume • object will sink or float • form that matter exists in • separating gravel from sand • no definite shape or volume • amount of matter in an object • something that is hard to observe • definite volume but no definite shape • ...

Water and Weathering 2025-03-10

Water and Weathering crossword puzzle
Across
  1. The sphere that contains all of the water
  2. Chemical reaction between rocks and water
  3. Water is known as the universal ___________
  4. The small pieces of broken rock
  5. A positive and negative side to a molecule
  6. Ice getting inside of a rock to break it apart
  7. The measure of how much heat it takes to change temperature
  8. A mix between solvent and solute
  9. Rocks breaking off in sheets
  10. Chemical reaction between rocks and oxygen
  11. An element's ability to dissolve in water
  12. Chemical reaction between rocks and oranisms
Down
  1. 7 is the pH of _____________
  2. Rocks being broken down by friction, usually with wind or water
  3. When the sediment settles
  4. Something that gets dissolved
  5. Location near Las Vegas that is red from oxidation
  6. An element's ability to attract electrons
  7. Location near Las Vegas where the limestone can be affected by acidification
  8. The breaking down of rocks into small pieces
  9. The movement of sediment
  10. Chemical reaction between rocks and acid

22 Clues: The movement of sediment • When the sediment settles • 7 is the pH of _____________ • Rocks breaking off in sheets • Something that gets dissolved • The small pieces of broken rock • A mix between solvent and solute • Chemical reaction between rocks and acid • The sphere that contains all of the water • An element's ability to attract electrons • ...

Chemical Change 2024-05-10

Chemical Change crossword puzzle
Across
  1. Change / Any change that alters the form or appearance of a substance but that does not make the substance into another substance.
  2. / The study of matter and how matter changes
  3. System / Matter can enter from or escape to the surroundings
  4. of Mass / A principle that states that during a chemical reaction, matter is not created nor destroyed
  5. Property / Characteristic of a substance that can be observed without changing the substance into another substance
  6. Reaction / A reaction that releases energy in the form of heat
  7. Reaction / A reaction in which energy is absorbed
  8. / The substances you have at the beginning
  9. / A solid that forms from solution during a chemical reaction
  10. / The process when two or more elements or compounds combine to make a more complex substance
Down
  1. / Breaks down compounds into simpler products
  2. / Anything that has mass and takes up space
  3. / When one element replaces another in a compound or when two elements in different compounds trade places
  4. System / Matter is not allowed to enter or leave
  5. Reaction / A change in matter that produces one or more new substances
  6. / When the reaction is complete, you have new substances
  7. Property / Characteristic of a substance that describes its ability to change into other substances.
  8. Equation / A short and easy way to show a chemical reaction using symbols instead of words
  9. / A number placed in front of a chemical formula in an equation

19 Clues: / The substances you have at the beginning • / Anything that has mass and takes up space • / Breaks down compounds into simpler products • / The study of matter and how matter changes • System / Matter is not allowed to enter or leave • Reaction / A reaction in which energy is absorbed • / When the reaction is complete, you have new substances • ...

Chemistry Review 2025-09-12

Chemistry Review crossword puzzle
Across
  1. A group of atoms bonded together
  2. Reaction with oxygen that releases heat and light
  3. Substance formed in a chemical reaction
  4. Starting substance in a chemical reaction
  5. Electrons in the outermost shell
  6. Type of bonding with a ‘sea of electrons’
  7. Scale used to measure acidity or alkalinity
  8. A reaction that releases heat
  9. base Reaction where an acid reacts with a base to form salt and water
  10. A substance that can dissolve in a solvent
  11. Process that uses electricity to split compounds
Down
  1. Reaction where a compound breaks down into simpler substances
  2. Substance that speeds up a reaction without being used up
  3. where two or more substances combine to form one product
  4. A charged particle
  5. An insoluble solid formed in a reaction
  6. Substance that reacts with acids to form salt and water
  7. The smallest unit of matter
  8. Mixture of metals or metals with other elements
  9. Table that arranges elements by atomic number
  10. 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’ • ...

The Chemistry of Life continued 2020-11-01

The Chemistry of Life continued crossword puzzle
Across
  1. A large molecule, or macromolecule, made of many monomers bonded together
  2. Both the reactants and products are made at the same rate in both directions resulting in both reactant and product concentrations staying the same
  3. A chemical reaction that releases more energy than it absorbs; the excess energy is often given off as heat or light
  4. energy the amount of energy that needs to be absorbed for a chemical reaction to start
  5. acids Polymers that are made up of monomers called nucleotides (composed of a sugar, ab phospate group, and a nitrogen-containing molecule called a base
  6. molecules composed of carbon, hydrogen, and oxygen; they include sugars and starches
Down
  1. Small molecules which are subunits of an entire, larger molecule
  2. A polymer made of monomers called amino acids
  3. reaction The change of substances into different substances by breaking and forming chemical bonds
  4. acids Molecules that contain carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur; 20 different types
  5. A chemical reaction that absorbs more energy than it releases
  6. The substances made by a chemical reaction
  7. energy The amount of energy that will break a bond between two atoms
  8. non-polar molecule that includes fats, oils, and cholesterol
  9. acids chains of carbon atoms bonded to hydrogen atoms; lipids contain fatty acid chains
  10. The substances changed during a chemical reaction

16 Clues: The substances made by a chemical reaction • A polymer made of monomers called amino acids • The substances changed during a chemical reaction • non-polar molecule that includes fats, oils, and cholesterol • A chemical reaction that absorbs more energy than it releases • Small molecules which are subunits of an entire, larger molecule • ...

Chemical Changes Gizmo Vocabulary Review 2020-09-27

Chemical Changes Gizmo Vocabulary Review crossword puzzle
Across
  1. The total mass of the products and reactants in a chemical reaction are ___.
  2. A number representing the number of atoms of an element in one molecule of a substance.
  3. A substance that changes color when in contact with an acid or base.
  4. An endothermic reaction causes the temperature of a system to ___ from its starting temperature.
  5. Synthesis chemical reactions result in formation of a ___ product from multiple reactants.
  6. A process that causes the system to release heat energy to the surroundings.
  7. No ___ are created or destroyed when a chemical reaction occurs.
Down
  1. A substance that results from (comes out of) a chemical reaction.
  2. Chemical changes result in the formation of new ___.
  3. The Law of the Conservation of matter states that the total amount of matter in a ___ system remains constant.
  4. An exothermic reaction causes the temperature of a system to ___ from its starting temperature.
  5. A process that causes the system to absorb heat energy from the surroundings.
  6. A ___ change is a change that affects the shape or phase of a substance but does not produce new substances.
  7. ___ means to pass into solution.
  8. When a chemical change occurs, ___ holding atoms together are broken and new bonds are formed.
  9. A substance that takes part in (goes in to) and is changed by a chemical reaction.

16 Clues: ___ means to pass into solution. • Chemical changes result in the formation of new ___. • No ___ are created or destroyed when a chemical reaction occurs. • A substance that results from (comes out of) a chemical reaction. • A substance that changes color when in contact with an acid or base. • ...

Module 1 Vocabulary 7th Grade 2023-08-23

Module 1 Vocabulary 7th Grade crossword puzzle
Across
  1. a chemical change in which atoms of one or more substances rearrange to make one or more new substance
  2. a starting substances in a chemical reaction
  3. a type of change in matter where the substances change into another substance with different chemical and physical properties
  4. the amount of space a substance takes up
  5. the mass per unit volume of a substance
  6. a property of matter than can be observed or measured without changing the matter
  7. chemical energy released when atoms form bonds
  8. occurs when substances react with oxidizing agents, changing it to a new substance
  9. the law of conservation of ______ states that energy is always transferring, but cannot be created or destroyed
  10. a reaction where more energy is required to break the bonds of the reactants than is released when products form
Down
  1. a property of matter than can be observed as it changes to a different type of matter
  2. occurs when a substance reacts with another, forming a new substance
  3. the ability of a type of matter to burn easily
  4. the law of conservation of ______ states that the mass of the reactants is the same before and after a chemical reaction
  5. a number placed in front of an element symbol or chemical formula in an equation
  6. a reaction where more energy is released when the product is formed than is required to break the bonds
  7. a substance produced by a chemical reaction
  8. the amount of matter in an object

18 Clues: the amount of matter in an object • the mass per unit volume of a substance • the amount of space a substance takes up • a substance produced by a chemical reaction • a starting substances in a chemical reaction • the ability of a type of matter to burn easily • chemical energy released when atoms form bonds • ...

Chapter 1 & 2 Crossword 2025-09-18

Chapter 1 & 2 Crossword crossword puzzle
Across
  1. Two or more elements bond together
  2. The outer shell electrons
  3. Right side of the chemical equation
  4. A type of reaction where elements split apart into two or more parts
  5. A reaction that requires oxygen to survive
  6. Left side of the chemical equation
  7. The building blocks of a compound
  8. The smallest particle that has the properties of an element
Down
  1. A reaction where positive ions and negative ions of two ionic compounds switch partners
  2. A type of reaction where one element replaces another element in a compound
  3. A type of reaction that combines elements together into one thing
  4. Positively charged particle
  5. The rule for the number of electrons in an outer shell
  6. The number that comes after the element symbol and is permanent
  7. Negatively charged subatomic particle
  8. The name of the arrow that separates both sides of a chemical equation
  9. Subatomic particle with a neutral charge
  10. A number that comes before the element symbol and can be changed when balancing chemical equations

18 Clues: The outer shell electrons • Positively charged particle • The building blocks of a compound • Two or more elements bond together • Left side of the chemical equation • Right side of the chemical equation • Negatively charged subatomic particle • Subatomic particle with a neutral charge • A reaction that requires oxygen to survive • ...

Chapter 8-10 2014-06-01

Chapter 8-10 crossword puzzle
Across
  1. chemical _____________ is the process by which a chemical change takes place
  2. the change of state in which a solid is transformed directly to a gas without forming a liquid
  3. heat of _______________ is the energy required to vaporize 1 g of substance; for water 2260J are needed to vaporize exactly 1 g of liquid; 1 g of steam gives off 2260 J when it condenses
  4. the change of gas directly to a solid; the reverse of sublimation
  5. _______________ covalent bond is formed when shared electrons are shared equally
  6. the initial substances that undergo change in a chemical reaction
  7. heat of __________ is the energy required to melt exactly 1 g of a substance; for water 334 J are needed to melt 1 g of ice; 334 J are released when 1 g of water freezes
  8. ___________ reactant is the reactant that remains when the limiting reactant is used up in a reaction
  9. the relative ability of an element to attract electrons in a bond
  10. _________ bond is a sharing of two pairs of electrons by two atoms
  11. _____________ covalent bond is formed when shared electrons are shared unequally
  12. ______________ reaction is a reaction wherein the energy of the reactants is greater than that of the products
  13. valence shell electron-pair __________________ theory is a theory that predicts the shape of a molecule by moving the electron groups on a central atom as far as possible to minimize the repulsion of the negative regions
  14. when two atoms share three pairs of electrons _________ bond is formed
Down
  1. _______________ forces are weak dipole bonding that results from a momentary polarization of nonpolar molecules in a substance
  2. a measure of the unequal sharing of electrons, indicated by the difference in electronegativities
  3. the formation of gas (vapor) by the escape of high-energy molecules from the surface of a liquid
  4. the change of state of a gas to a liquid
  5. the substances formed as a result of a chemical reaction
  6. the separation of positive and negative charge in a polar bond indicated by an arrow that is drawn from the more positive atom to the more negative atom
  7. dipole-dipole _________________ are attractive forces between oppositely charged ends of polar molecules
  8. _____________ equation is the final form of a chemical reaction that show the same number of atoms of each element in the reactants and products
  9. ______________ bond is the attraction between a partially positive H and a strongly electronegative atom of F, O, or N
  10. a reaction wherein the energy of the products is greater than that of the reactants and needs energy to occur is called______________ reaction
  11. chemical ____________ is a shorthand way to represent a chemical reaction using chemical formulas to indicate the reactants and products
  12. the reactant used up during chemical reaction, which limits the amount of products that can form is called _________________ reactant

26 Clues: the change of state of a gas to a liquid • the substances formed as a result of a chemical reaction • the change of gas directly to a solid; the reverse of sublimation • the initial substances that undergo change in a chemical reaction • the relative ability of an element to attract electrons in a bond • ...

Chemistry Final Exam Review 2024-05-01

Chemistry Final Exam Review crossword puzzle
Across
  1. An element can have up to 8 of these electrons
  2. Can increase the rate of a chemical reaction
  3. When a chemical reaction is reversible, it has reached ________________
  4. Energy is absorbed
  5. Proton and Neutron particles are located here
  6. Covalent bonding is between nonmetals and involves the _____________ of electrons
  7. The time it takes for a radioactive isotope to reach 50% decay
  8. Ionic bonding is usually between a metal and nonmetal and involves the __________ of electrons
  9. 6.02 X 10^23
  10. Charged particles
Down
  1. The number of protons; also how elements are arranged on the periodic table
  2. Energy is released
  3. Elements in this order on the periodic table have the same number of valence electrons
  4. Splitting of a larger atom into 2 smaller nuclei
  5. Elements that have different number of neutrons
  6. An example of a chemical reaction, also known as combustion
  7. Salt dissolved in water
  8. Particles surrounding the nucleus
  9. Characteristic that helps water dissolve things
  10. Energy needed to start a chemical reaction

20 Clues: 6.02 X 10^23 • Charged particles • Energy is released • Energy is absorbed • Salt dissolved in water • Particles surrounding the nucleus • Energy needed to start a chemical reaction • Can increase the rate of a chemical reaction • Proton and Neutron particles are located here • An element can have up to 8 of these electrons • Elements that have different number of neutrons • ...

CHEMICAL REACTION 2022-06-01

CHEMICAL REACTION crossword puzzle
Across
  1. the rusting of iron is a ________reaction
  2. reactions in which one element takes place of another element in a compound
  3. a kind of reaction that releases energy in the form of heat
  4. when no. of atoms of each element are same on both the sides.
  5. a substance which increases the rate of reaction without changing itself
Down
  1. a new substance i.e. formed or produced after a chemical reaction
  2. the addition of oxygen and the removal of hydrogen to a substance
  3. C+O2 gives CO2 is an example of which reaction

8 Clues: the rusting of iron is a ________reaction • C+O2 gives CO2 is an example of which reaction • a kind of reaction that releases energy in the form of heat • when no. of atoms of each element are same on both the sides. • a new substance i.e. formed or produced after a chemical reaction • the addition of oxygen and the removal of hydrogen to a substance • ...

Stoichimoetry 2023-10-20

Stoichimoetry crossword puzzle
Across
  1. aq
  2. the result of the chemical reaction
  3. atoms can ______ themselves
  4. determines the maximum amount of product that can be formed
  5. 2100g has ____ significant figures
  6. l
  7. heat added to reaction
  8. 120.60g has ____ significant figures
  9. the conversion of one substance to an amount of another
Down
  1. the reactant that is left over after the reaction goes to completion
  2. the amount of product that should be produced as determined by the limiting reactant
  3. g
  4. amount of numbers to the left of a decimal point, the first nonzero digit
  5. number below an element controlling the amount, can't be changed in a balanced equation
  6. number controlling the amount of a group of elements, can be changed
  7. your answer should be rounded to have the _________ of signifigant figures as the least precise measurement
  8. s
  9. 1.7g has ____ significant figures
  10. elements before they're added together in a chemical reaction
  11. atoms are neither created or destroyed during a chemical reaction

20 Clues: g • s • l • aq • heat added to reaction • atoms can ______ themselves • 1.7g has ____ significant figures • 2100g has ____ significant figures • the result of the chemical reaction • 120.60g has ____ significant figures • the conversion of one substance to an amount of another • determines the maximum amount of product that can be formed • ...

Stoichimoetry 2023-10-20

Stoichimoetry crossword puzzle
Across
  1. the conversion of one substance to an amount of another
  2. the amount of product that should be produced as determined by the limiting reactant
  3. the result of the chemical reaction
  4. g
  5. aq
  6. number below an element controlling the amount, can't be changed in a balanced equation
  7. your answer should be rounded to have the _________ of signifigant figures as the least precise measurement
  8. amount of numbers to the left of a decimal point, the first nonzero digit
  9. 120.60 has ____ signifigant figures
Down
  1. heat added to reaction
  2. s
  3. atoms can ______ themselves
  4. determines the maximum amount of product that can be formed
  5. elements before they're added together in a chemical reaction
  6. l
  7. the reactant that is left over after the reaction goes to completion
  8. atoms are neither created or destroyed during a chemical reaction
  9. number controlling the amount of a group of elements, can be changed
  10. 1.7 has ____ significant figures

19 Clues: s • l • g • aq • heat added to reaction • atoms can ______ themselves • 1.7 has ____ significant figures • the result of the chemical reaction • 120.60 has ____ signifigant figures • the conversion of one substance to an amount of another • determines the maximum amount of product that can be formed • elements before they're added together in a chemical reaction • ...

Chapter 7 Vocab Barton IPS 2024-01-03

Chapter 7 Vocab Barton IPS crossword puzzle
Across
  1. a chemical process in which two or more simple elements or compounds combine to form a more complex product
  2. The substances which participate in a chemical reaction
  3. reactions that absorb (or use) energy
  4. a reaction in which a substance reacts with oxygen gas, releasing energy in the form of light and heat.
  5. occur when parts of two ionic compounds are exchanged, making two new compounds
  6. a chemical reaction that releases energy in the form of heat, light, sound, or electricity
Down
  1. a reaction in which a compound breaks down into two or more simpler substances.
  2. a reaction in which one element is substituted for another element in a compound.
  3. the energy which is stored in the bonds of chemical compounds (molecules and atoms)
  4. reactions that involve the transfer of electrons from one species to another
  5. Exothermic, Endothermic, & Chemical Change | Energy ...
  6. a number that is constant for a given substance, body, or process under certain specified conditions, serving as a measure of one of its properties
  7. the species formed from chemical reactions
  8. a graphic representation that shows how chemical reactions produce products.
  9. the unit of measurement in the International System of Units (SI) for amount of substance.
  10. the mass of a chemical compound divided by its amount-of-substance measured in moles.

16 Clues: reactions that absorb (or use) energy • the species formed from chemical reactions • Exothermic, Endothermic, & Chemical Change | Energy ... • The substances which participate in a chemical reaction • reactions that involve the transfer of electrons from one species to another • a graphic representation that shows how chemical reactions produce products. • ...

Stoichiometry Concepts 2024-04-01

Stoichiometry Concepts crossword puzzle
Across
  1. Numbers in front of formulas in a chemical equation.
  2. reaction Process where substances transform into new substances.
  3. Number written below and to the right of chemical symbol.
  4. New substances formed as a result of a chemical reaction.
  5. equation Representation of a chemical reaction using symbols and formulas.
  6. ratio Ratio of moles of one substance to another.
  7. Unit representing amount of substance in a chemical reaction.
  8. Substances that undergo change in a chemical reaction.
Down
  1. number Number of atoms or molecules in one mole.
  2. reactant Reactant that is completely consumed in a reaction.
  3. reactant Reactant that remains after limiting reactant is consumed.
  4. mass Mass of one mole of a substance in grams.
  5. Calculating amounts in chemical reactions using balanced equations.
  6. equation Equation where number of atoms is equal on both sides.
  7. ratio Ratio of masses of substances in a chemical reaction.

15 Clues: mass Mass of one mole of a substance in grams. • number Number of atoms or molecules in one mole. • ratio Ratio of moles of one substance to another. • Numbers in front of formulas in a chemical equation. • Substances that undergo change in a chemical reaction. • Number written below and to the right of chemical symbol. • ...

Stoichiometry Concepts 2024-04-01

Stoichiometry Concepts crossword puzzle
Across
  1. Numbers in front of formulas in a chemical equation.
  2. reaction Process where substances transform into new substances.
  3. Number written below and to the right of chemical symbol.
  4. New substances formed as a result of a chemical reaction.
  5. equation Representation of a chemical reaction using symbols and formulas.
  6. ratio Ratio of moles of one substance to another.
  7. Unit representing amount of substance in a chemical reaction.
  8. Substances that undergo change in a chemical reaction.
Down
  1. number Number of atoms or molecules in one mole.
  2. reactant Reactant that is completely consumed in a reaction.
  3. reactant Reactant that remains after limiting reactant is consumed.
  4. mass Mass of one mole of a substance in grams.
  5. Calculating amounts in chemical reactions using balanced equations.
  6. equation Equation where number of atoms is equal on both sides.
  7. ratio Ratio of masses of substances in a chemical reaction.

15 Clues: mass Mass of one mole of a substance in grams. • number Number of atoms or molecules in one mole. • ratio Ratio of moles of one substance to another. • Numbers in front of formulas in a chemical equation. • Substances that undergo change in a chemical reaction. • Number written below and to the right of chemical symbol. • ...