chemical reaction Crossword Puzzles

Chemistry Lessons 44-52 2020-01-27

Chemistry Lessons 44-52 crossword puzzle
Across
  1. pH of pure water
  2. describes objects or substances that float in water
  3. temperature scale used in the United States
  4. substance with a pH less than seven
  5. occurs when a compound breaks down into two or more elements or simpler compounds
  6. substance with a density of one
  7. amount of space matter takes up
  8. substance that is being changed
  9. chemical reaction that gives off energy
  10. amount of matter a substance contains
  11. measure of how tightly the atoms or molecules in matter are packed together
  12. substance with a pH greater than seven
Down
  1. standard international measure of temperature
  2. new substance formed by a chemical reaction
  3. occurs when two or more elements or compounds that make a new compound
  4. chemical reaction that absorbs or gains energy
  5. chemical reaction that occurs when an acid and a base react
  6. occurs when an organic compound is heated and reacts with oxygen
  7. instrument used to measure mass of matter
  8. measure of the average kinetic energy of matter
  9. temperature used by scientists worldwide

21 Clues: pH of pure water • substance with a density of one • amount of space matter takes up • substance that is being changed • substance with a pH less than seven • amount of matter a substance contains • substance with a pH greater than seven • chemical reaction that gives off energy • temperature used by scientists worldwide • instrument used to measure mass of matter • ...

Unit B Crossword 2017-11-08

Unit B Crossword crossword puzzle
Across
  1. a new substance produced in a chemical reaction between reactants
  2. absorption of heat
  3. most reactive metals
  4. a substance that reacts with another to create a new substance
  5. a slow chemical change that occurs when oxygen reacts with metal
  6. release of heat
  7. consists of a nonmetal and a nonmetal
  8. the most stable and nonreactive nonmetals
  9. a subatomic particle with a negative charge
  10. a subatomic particle with a positive charge
  11. earth metals, less reactive than alkali
  12. an irreversible reaction
  13. when oxygen reacts with another substance to form a new substance that gives off energy
  14. chemical combination of 2 or more elements
  15. anything on the periodic table
Down
  1. substances that speed up the reaction rate
  2. can be in between metals and nonmetals
  3. a chemical reaction in your body
  4. a subatomic particle found in every nucleus, except for hydrogen
  5. consists of a metal and a nonmetal
  6. average mass of an element
  7. made up of one type of matter
  8. organic catalyst
  9. most reactive non metals
  10. the number of protons of an atom, determines its place on the periodic table

25 Clues: release of heat • organic catalyst • absorption of heat • most reactive metals • most reactive non metals • an irreversible reaction • average mass of an element • made up of one type of matter • anything on the periodic table • a chemical reaction in your body • consists of a metal and a nonmetal • consists of a nonmetal and a nonmetal • can be in between metals and nonmetals • ...

Chemical Reactions 2021-03-30

Chemical Reactions crossword puzzle
Across
  1. identify how many atoms of each element are in the most basic unit of a compound (small number)
  2. used by scientists to name substances and show their chemical makeup
  3. in a chemical reaction _______ break and atoms rearrange
  4. a unexpected solid formed by combining two liquids that undergo a chemical reaction
  5. the rule that during a chemical reaction, matter is not created or destroyed
  6. a chemical reaction where energy is absorbed and temperature usually decreases
  7. a chemical reaction where energy is given off in the form of heat or light
Down
  1. the new substances that form in a chemical change
  2. one or more substances changes into new substances with different chemical makeups
  3. identify the number of molecules of a compound that are present in a chemical equation (big number)
  4. a change in matter that does not involve a change in chemical makeup
  5. a substance that goes through a chemical change

12 Clues: a substance that goes through a chemical change • the new substances that form in a chemical change • in a chemical reaction _______ break and atoms rearrange • a change in matter that does not involve a change in chemical makeup • used by scientists to name substances and show their chemical makeup • ...

Chemical Reactions 2023-09-12

Chemical Reactions crossword puzzle
Across
  1. Another reactant for photosynthesis.
  2. The evidence that a precipitation reaction has occurred is that the solutions go_____
  3. the product of the corrosion of iron.
  4. Taken in by plants as a reactant for photosynthesis.
  5. The reaction that takes place in the chloroplast of plants.
  6. The reaction of metal with oxygen gas in the presence of water.
Down
  1. The chemical equation that takes place in all living cells.
  2. A word ________ can be written to describe a reaction.
  3. Produce by plants during photosynthesis.
  4. The name of the type of reaction that takes place when things burn.
  5. Found on the left-hand side of the arrow in a chemical reaction.
  6. A product of photosynthesis.
  7. Found on the right-hand side of the arrow in a chemical reaction.
  8. A reaction between two solutions that produces a solid.
  9. The equations for Respiration and Photosynthesis are______ of each other.

15 Clues: A product of photosynthesis. • Another reactant for photosynthesis. • the product of the corrosion of iron. • Produce by plants during photosynthesis. • Taken in by plants as a reactant for photosynthesis. • A word ________ can be written to describe a reaction. • A reaction between two solutions that produces a solid. • ...

Types of Chemical reactions Vishakh M 10L 2025-04-27

Types of Chemical reactions Vishakh M 10L crossword puzzle
Across
  1. The loss of oxygen or gain of hydrogen, or the gain of electrons.
  2. A reaction that produces an insoluble solid.
  3. A reaction in which two or more substances combine to form a single product.
  4. The slow degradation of a metal due to its reaction with air, water, or other substances.
  5. A reaction in which a single substance breaks down to give two or more simpler substances.
  6. The new substances formed during a chemical reaction.
Down
  1. The substances that take part in a chemical reaction.
  2. A type of displacement reaction involving the exchange of ions between two reactants.
  3. A reaction that releases heat, causing the surroundings to become warmer.
  4. A reaction between an acid and a base to form salt and water.
  5. A reaction in which one element displaces another element.
  6. The gain of oxygen or loss of hydrogen, or the loss of electrons.
  7. A reaction that absorbs heat, causing the surroundings to become cooler.
  8. A chemical equation having an equal number of atoms of each element on both the reactant and product sides.
  9. A type of reaction involving both oxidation and reduction processes occurring simultaneously.

15 Clues: A reaction that produces an insoluble solid. • The substances that take part in a chemical reaction. • The new substances formed during a chemical reaction. • A reaction in which one element displaces another element. • A reaction between an acid and a base to form salt and water. • The loss of oxygen or gain of hydrogen, or the gain of electrons. • ...

Types of reactions 2025-04-30

Types of reactions crossword puzzle
Across
  1. A substance that takes part in a reaction and undergoes change during a reaction.
  2. A substance that will not dissolve in a solvent even after mixing
  3. A reaction where two or more substances combine to form a single product
  4. A reaction where a reactant gets oxidised while the other gets reduced
  5. Substance that is formed in the reaction
  6. Reaction in which energy is absorbed
  7. Decomposition. A chemical reaction that happens when a compound breaks down when heated
Down
  1. A reaction where an element displaces another less reactive element
  2. . A reaction where a single compound breaks down into two or more elements or new compounds
  3. displacement. A reaction where two compounds exchange ions or bonds to form two new compounds
  4. A chemical reaction occurring in an aqueous solution where two ionic bonds combine resulting in the formation of an insoluble salt
  5. A process by which a substance gains oxygen
  6. A chemical reactions which release energy from the chemicals into the surroundings
  7. process of breaking or making of bonds between atoms to produce new substances
  8. A process by which a substance loses oxygen

15 Clues: Reaction in which energy is absorbed • Substance that is formed in the reaction • A process by which a substance gains oxygen • A process by which a substance loses oxygen • A substance that will not dissolve in a solvent even after mixing • A reaction where an element displaces another less reactive element • ...

Chemistry Crossword 2025-05-04

Chemistry Crossword crossword puzzle
Across
  1. elements with both metal and non-metal properties
  2. two types of reaction that can be single or double
  3. the horizontal rows of the periodic table
  4. a chemical that changes colour depending on pH
  5. the vertical columns of the periodic table
  6. the chemicals used up in a reaction
  7. a type of reaction with only one reactant
  8. a type of reaction with only one product
  9. a new solid product made in a reaction
  10. a wooden stick used for gas tests
Down
  1. chemical name for vinegar
  2. ion found in many bases
  3. a reactive group of non-metals that includes chlorine
  4. an indicator paper that can be red or blue
  5. another word for basic
  6. can destroy metals and cause burns
  7. the chemicals made in a reaction
  8. compounds that are made by the transfer of electrons
  9. the electrons on the outermost electron shell
  10. compounds that are made by the sharing of electrons

20 Clues: another word for basic • ion found in many bases • chemical name for vinegar • the chemicals made in a reaction • a wooden stick used for gas tests • can destroy metals and cause burns • the chemicals used up in a reaction • a new solid product made in a reaction • a type of reaction with only one product • the horizontal rows of the periodic table • ...

Science Vocabulary 2012-03-19

Science Vocabulary crossword puzzle
Across
  1. the chemicals used at the start of the reaction
  2. the solid produced when two chemicals react
  3. an arrangement of all known elements in order of their size and structure
  4. smallest particle of matter
  5. pure substances containing only one type of atom
  6. mass is always the same at the start and end of a reaction
  7. number of protons in an atom
  8. two or more different atoms joined together
  9. when two smaller chemicals join in a reaction
  10. new chemicals are made
  11. two or more molecules or compounds
  12. neutral particles in an atom found in the nucleus
Down
  1. when chemicals swap partners in a reaction
  2. the study of matter and how it behaves
  3. shows what chemicals are at the start and end of a reaction
  4. how a reaction happens
  5. new chemical formed, not easily reversed
  6. what a chemical looks like and how it behaves
  7. when a chemical breaks apart into two or more chemicals in a reaction
  8. the chemicals made by the equation
  9. an atom or molecule with a net electric charge due to the loss or gain of one or more electrons
  10. positive particles in an atom found in the nucleus
  11. number of protons plus neutrons in an atom
  12. a aection with oxygen (burning)
  13. two or more atoms joined together
  14. the process of gaining knowledge by observation and experiment

26 Clues: how a reaction happens • new chemicals are made • smallest particle of matter • number of protons in an atom • a aection with oxygen (burning) • two or more atoms joined together • the chemicals made by the equation • two or more molecules or compounds • the study of matter and how it behaves • new chemical formed, not easily reversed • ...

Chapter Two 2014-12-11

Chapter Two crossword puzzle
Across
  1. Would bleach be high or low on the pH scale?
  2. A chemical reaction that releases more energy than it absorbs.
  3. A chemical reaction that absorbs more energy than it releases.
  4. Two or more atoms held together by covalent bonds.
  5. What has the three fundamental structures; straight chains, branched chains, and rings?
  6. Mixture of substances that is the same throughout.
  7. Molecules that contain carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur.
  8. The colvalent bons that amino acids form are called...?
  9. Substances made by a chemical reaction.
  10. Polymers that are made up of monomers called nucleotides.
  11. What two molecules attach to a hydrogen to make a water molecule?
  12. Amount of energy that will break a bond between two atoms.
  13. Each subunit in a complete molecule.
Down
  1. A larger molecule, or macromolecule, made of many monomers bonded together.
  2. Substance that is present in the greater amount and that dissolves another substance.
  3. energy Amount of energy needed to start a chemical reaction.
  4. A compound that releases a proton when it dissolves in water.
  5. Changes substances into different substances by breaking and forming chemical bonds.
  6. The substances that changes during a chemical reaction.
  7. Bond that forms through the electrical force between oppositely charged ions.
  8. Bond that forms when atoms share a pair of electrons.
  9. Reached when both the reactants and products are made at the same rate.
  10. Compounds that remove H+ ions from a solution.
  11. Substance that dissolves in a solvent.
  12. What are the two general types of nucleic acids?

25 Clues: Each subunit in a complete molecule. • Substance that dissolves in a solvent. • Substances made by a chemical reaction. • Would bleach be high or low on the pH scale? • Compounds that remove H+ ions from a solution. • What are the two general types of nucleic acids? • Two or more atoms held together by covalent bonds. • ...

Crossword Puzzle 2020-10-23

Crossword Puzzle crossword puzzle
Across
  1. photosynthetic carbon reduction
  2. reach transition state
  3. citric acid cycle
  4. 35-40 degrees celcius
  5. important to flow of energy
  6. C3 H4 O3
  7. chemical changes in organic
  8. energy
  9. describe an organism
  10. 02 as fuel
  11. starting materials
  12. TCA or Krebs cycle
  13. membrane bound organelles
  14. synthesis of organic compounds
Down
  1. formed from chemical reaction
  2. not using light energy
  3. use light energy
  4. electron donors to acceptors
  5. chemical species
  6. conduct photosynthesis
  7. temporary molecule formed
  8. respiration chemical energy from oxygen
  9. increases rate of reaction
  10. pigments in plants
  11. breaking of bonds
  12. C6 H12 O8
  13. breakdown of glucose

27 Clues: energy • C3 H4 O3 • C6 H12 O8 • 02 as fuel • use light energy • chemical species • citric acid cycle • breaking of bonds • pigments in plants • starting materials • TCA or Krebs cycle • describe an organism • breakdown of glucose • 35-40 degrees celcius • not using light energy • reach transition state • conduct photosynthesis • temporary molecule formed • membrane bound organelles • ...

Ch 2 and 16 vocab 2017-09-25

Ch 2 and 16 vocab crossword puzzle
Across
  1. non-uniform composition
  2. the property of a substance to not react.(its stable)
  3. substance that cannot be broken down into simplar substances by chemical means.
  4. a change that requires a change in a chemical composition.
  5. Properties that do change that chemical nature of matter.
  6. measuring the amount of heat involved in a chemical reaction or other process.
  7. amount of heat required to raise a substance one degree celcius/kelvin.
Down
  1. refers to a substance that is consistant or uniform throughout is volume.
  2. made of only one type of atom or only one type of molecule.
  3. combination of 2 or more pure substances.
  4. realeses out of the reaction.
  5. are changes affecting the form of a chemical substance, but not its chemical composition.
  6. the degree or intensity of heat present in a substance or object.
  7. a unit of energy.
  8. amount of size does not matter.
  9. something that has mass and takes up space.
  10. substance consisting of atoms oer ions of 2 or more different elements in definate properties joined by chemical bonds into a molecule.
  11. in to the reaction.
  12. a homogeneous mixture composed of two or more substances.
  13. the quality of being hot.

20 Clues: a unit of energy. • in to the reaction. • non-uniform composition • the quality of being hot. • realeses out of the reaction. • amount of size does not matter. • combination of 2 or more pure substances. • something that has mass and takes up space. • the property of a substance to not react.(its stable) • Properties that do change that chemical nature of matter. • ...

ORGANIC CHEMISTRY 2020-06-08

ORGANIC CHEMISTRY crossword puzzle
Across
  1. Form of Isomerism: Differing in spacial arrangement
  2. Reagent: Test for presence of carbonyl compounds (no comma or dash)
  3. Colour of ppt of a positive iodoform test
  4. Condition: for Free Redical Substitution
  5. Product: white solid formed from side-chain oxidation
  6. Reaction: occurs with addition of oxygen
  7. Reaction: H2(g), Ni Catalyst, heat or Pt/Pd catalyst
  8. Reaction: NaOH(aq), heat
  9. Reaction: Sn2 or Sn1 mechanism
  10. Reagent: Reduction of amides to form amines (chemical formula)
  11. Reaction: hot acidified KMNO4(aq)
Down
  1. 1. Halogenation 2. Alkylation 3. Nitration
  2. Reagent: Condensation to form esters with alcohol but without catalyst
  3. Organic compound: formation of (answer) using ethanolic KCN, heat
  4. Reagent: heat with (answer) to form convert c.acid to acyl chlorides or nu. subt to form halogenoalkane from alcohols (chemical formula)
  5. Reaction: excess conc H2SO4, heat (of alcohol)
  6. Reagent: used to identify aldehydes (no apostrophe)
  7. Reaction: H2SO4(aq), heat
  8. Reagent: Test for alkenes
  9. the weaker oxidising agent between the two OAs
  10. Organic compound: warm at 30c with conc HNO3 and conc H2SO4
  11. Reagent: used to identify aliphatic aldehydes (no apostrophe)
  12. Organic compound: NaCO3 & NaHCO3 used to test for its presence
  13. Structure: Overlapping of (answer) in benzene/ dumbbell-shaped
  14. Reagent: Test for the presence of phenol(Chemical formula)

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

What's Hot? 2014-09-23

What's Hot? crossword puzzle
Across
  1. corrosive substance with a low pH
  2. substance made up of two or more elements
  3. two or more atoms joined together as a unit
  4. a substance made up of one type of atom
  5. reaction between an acid and a base
  6. a shorthand way of representing a chemical reaction
  7. the new substances formed after a chemical reaction
  8. a solution formed when a solute dissolves in water
  9. an insoluble substance formed from the combination of two solutions
  10. a compound formed in a neutralisation reaction
  11. letter or letters that represent and element
  12. can burn or eat away a material
  13. the substances combined in a chemical reaction
Down
  1. a solution with a large amount of solute in a solvent
  2. a substance which is dissolved in a solution
  3. a process or reaction which takes in energy
  4. symbols which represent a compound or element
  5. a scale used to measure acidity
  6. a substance which has a solute dissolved in it
  7. a solution with a small amount of solute and a large amount of solute
  8. a process or reaction which gives out energy
  9. substance with a high pH
  10. an atom or group of atoms that has lost or gained electrons
  11. a positively charged ion
  12. base that can dissolve in water
  13. a negatively charged ion

26 Clues: substance with a high pH • a positively charged ion • a negatively charged ion • a scale used to measure acidity • can burn or eat away a material • base that can dissolve in water • corrosive substance with a low pH • reaction between an acid and a base • a substance made up of one type of atom • substance made up of two or more elements • ...

What's Hot? 2014-09-23

What's Hot? crossword puzzle
Across
  1. a process or reaction which takes in energy
  2. two or more atoms joined together as a unit
  3. an insoluble substance formed from the combination of two solutions
  4. a process or reaction which gives out energy
  5. base that can dissolve in water
  6. a substance which is dissolved in a solution
  7. a solution with a large amount of solute in a solvent
  8. letter or letters that represent and element
  9. the new substances formed after a chemical reaction
  10. an atom or group of atoms that has lost or gained electrons
  11. a solution with a small amount of solute and a large amount of solute
  12. a solution formed when a solute dissolves in water
Down
  1. a compound formed in a neutralisation reaction
  2. reaction between an acid and a base
  3. corrosive substance with a low pH
  4. substance made up of two or more elements
  5. a substance made up of one type of atom
  6. a scale used to measure acidity
  7. a negatively charged ion
  8. the substances combined in a chemical reaction
  9. substance with a high pH
  10. a substance which has a solute dissolved in it
  11. a positively charged ion
  12. can burn or eat away a material
  13. a shorthand way of representing a chemical reaction
  14. symbols which represent a compound

26 Clues: a negatively charged ion • substance with a high pH • a positively charged ion • a scale used to measure acidity • base that can dissolve in water • can burn or eat away a material • corrosive substance with a low pH • symbols which represent a compound • reaction between an acid and a base • a substance made up of one type of atom • substance made up of two or more elements • ...

Emerson's Crossword Puzzle 2024-05-15

Emerson's Crossword Puzzle crossword puzzle
Across
  1. the chemical substances which are formed due to a chemical reaction between two or more chemical substances
  2. any chemical reaction that absorbs heat from its environment
  3. a combination of two or more substances in any proportion
  4. the starting materials in a reaction that undergo a chemical change to form a product
  5. energy that is transferred from one body to another as the result of a difference in temperature
  6. the release of heat
  7. An____is made up of 3 particles; protons, neutrons and electrons
  8. anything that takes up space and can be weighed
Down
  1. a characteristic of a particular substance that can be observed in a chemical reaction
  2. a measure of the average kinetic energy of the atoms or molecules in the system
  3. a simple substance that cannot be broken down into smaller parts or changed into another substance
  4. When two or more elements chemically combine in a fixed ratio by mass
  5. a characteristic of a substance that can be observed or measured without changing the identity of the substance
  6. the capacity to supply heat or do work
  7. the amount of matter or substance that makes up an object
  8. the study of matter and its interactions with other matter and energy
  9. the attraction of molecules for other molecules of the same kind, and water molecules have strong cohesive forces thank
  10. the process where reactants are transformed into products

18 Clues: the release of heat • the capacity to supply heat or do work • anything that takes up space and can be weighed • a combination of two or more substances in any proportion • the amount of matter or substance that makes up an object • the process where reactants are transformed into products • any chemical reaction that absorbs heat from its environment • ...

Crossword - Rates of Reaction 2023-10-13

Crossword - Rates of Reaction crossword puzzle
Across
  1. The measure of the total area of the exposed surfaces of a substance.
  2. A measure of the amount of a substance in a given volume.
  3. The appearance of ______is a sign energy in the form of heat has been released. For example, what do you see when you light a candle?
  4. The substance that speeds up a chemical reaction without being consumed itself.
  5. A solid formed in a chemical reaction is called a P.............
  6. A reaction that releases energy, often in the form of heat and light. Often substances feel warm to the touch
  7. A substance that slows down or inhibits a chemical reaction.
Down
  1. This factor can significantly influence the rate of a chemical reaction.
  2. A substance that is present at the beginning of a chemical reaction
  3. A chemical reaction in which heat is absorbed from the surroundings; often substances appear cold to the touch
  4. The formation of bubbles during a reaction is a sign of ____ being produced.
  5. A visible change in _________can be a strong indicator of this in a chemical reaction.

12 Clues: A measure of the amount of a substance in a given volume. • A substance that slows down or inhibits a chemical reaction. • A solid formed in a chemical reaction is called a P............. • A substance that is present at the beginning of a chemical reaction • The measure of the total area of the exposed surfaces of a substance. • ...

Enzymes and Biochemical Reactions Vocabulary 2023-10-24

Enzymes and Biochemical Reactions Vocabulary crossword puzzle
Across
  1. Substance that is made during a chemical reaction.
  2. Reactions that build larger molecules from smaller ones.
  3. Reactions that break down larger molecules into simpler compounds.
  4. All of the chemical reactions within each cell of an organism.
  5. Location on an enzyme where the substrate binds.
  6. (Usually a protein) that speeds up a biochemical reaction by lowering its activation energy.
  7. When an enzyme’s active site loses its specific shape, causing a loss in biological activity
Down
  1. A reaction that overall absorbs more energy (in the form of heat or light) than it releases.
  2. The breaking and forming of bonds between different substances during chemical changes.
  3. Substances that speed up reactions without being permanently altered.
  4. The amount of energy needed to make a chemical reaction start.
  5. A reaction that overall releases more energy (in the form of heat or light) than it absorbs.
  6. Substance that is changed during a chemical reaction.

13 Clues: Location on an enzyme where the substrate binds. • Substance that is made during a chemical reaction. • Substance that is changed during a chemical reaction. • Reactions that build larger molecules from smaller ones. • All of the chemical reactions within each cell of an organism. • The amount of energy needed to make a chemical reaction start. • ...

Photosynthesis 2023-04-17

Photosynthesis crossword puzzle
Across
  1. what comes out of a chemical reaction
  2. the pigment that absorbs the sunlight
  3. a reactant for photosynthesis from the ground
  4. light
  5. provides energy for the reaction to start
  6. an opening in the leaf that lets carbon dioxide in
  7. the symbols for glucose
  8. the number of glucoses produced by photosynthesis
  9. the symbols for oxygen
  10. making
  11. a carbohydrate product of photosynthesis
  12. a reactant for photosynthesis from the air
  13. the catalyst for photosynthesis
  14. a chemical change from one substance to another
  15. what goes into a chemical reaction
Down
  1. control whether a hole in the leaf is open or shut
  2. sunlight breaks water molecules to make ATP and NADPH
  3. second step in photosynthesis that converts carbon dioxide into glucose
  4. the chemical process of making glucose
  5. the symbols for carbon dioxide
  6. the organelle where photosynthesis takes place
  7. a gas product of photosynthesis
  8. the symbols for water
  9. energy created and used during photosynthesis
  10. the number of water and carbon dioxide molecules needed to make glucose
  11. the color of light that is reflected by chlorophyll
  12. usable energy for a cell

27 Clues: light • making • the symbols for water • the symbols for oxygen • the symbols for glucose • usable energy for a cell • the symbols for carbon dioxide • a gas product of photosynthesis • the catalyst for photosynthesis • what goes into a chemical reaction • what comes out of a chemical reaction • the pigment that absorbs the sunlight • the chemical process of making glucose • ...

Science Crossword Puzzle 2018-02-05

Science Crossword Puzzle crossword puzzle
Across
  1. more than one atom
  2. / Visibly different substances
  3. / The new substance that is formed in a chemical reaction.
  4. / Anything that has mass or volume
  5. / The substance in a chemical reaction that undergoes change. The ingredients of the reaction.
  6. / Two or more substances that are physically combined
  7. Property / Potential to change
Down
  1. / Two or more atoms
  2. / All substances are the same throughout
  3. Property / Observable,can be measured
  4. / Made of one type of atom
  5. Reaction / A chemical reaction the absorbs heat (gets colder) as it reacts.

12 Clues: more than one atom • / Two or more atoms • / Made of one type of atom • / Visibly different substances • Property / Potential to change • / Anything that has mass or volume • Property / Observable,can be measured • / All substances are the same throughout • / Two or more substances that are physically combined • / The new substance that is formed in a chemical reaction. • ...

GENERAL CHEMISTRY 50 WORD CROSSWORD 2020-05-29

GENERAL CHEMISTRY 50 WORD CROSSWORD crossword puzzle
Across
  1. Measure of how fast velocity is changing
  2. number equal to the sum of the atomic masses of the atoms in a molecule.
  3. degree to which a chemical substance or a particular mixture of substances can damage an organism
  4. heterogeneous mixture that contains solid particles sufficiently large for sedimentation.
  5. chemical reaction that occurs between a fuel and an oxidizing agent that produces energy, usually in the form of heat and light.
  6. chemical symbol of magnesium
  7. process by which an atom or a molecule acquires a negative or positive charge by gaining or losing electrons
  8. semi-solid that can have properties ranging from soft and weak to hard and tough
  9. CHANGE, process in which one or more substances are altered into one or more new and different substances
  10. molecules composed of only two atoms, of the same or different chemical elements
  11. process for the separation of mixtures of immiscible liquids or of a liquid
  12. A silvery-white, hard metallic element that occurs abundantly in minerals such as hematite, magnetite, pyrite, and ilmenite
  13. process whereby atoms or molecules in a liquid state
  14. substance formed when two or more chemical elements are chemically bonded together
  15. smallest constituent unit of ordinary matter that constitutes a chemical element.
  16. reaction or direct combination reaction is one of the most common types of chemical reaction.
  17. average mass of atoms of an element,
  18. process by which a substance changes from the solid phase to the liquid phase
  19. compund type of chemical bonding that involves the electrostatic attraction between oppositely charged ions, and is the primary interaction occurring in ionic compounds.
  20. substance whose atoms all have the same number of protons
  21. type of phase transition, or a change in a state of matter, just like melting, freezing, and evaporation.
  22. measure of mass per unit of volume
  23. force exerted by the substance per unit area on another substance
  24. compound chemical bond that involves the sharing of electron pairs between atoms
  25. laboratory technique for the separation of a mixture.
Down
  1. substance with high electrical conductivity, luster, and malleability, which readily loses electrons to form positive ions
  2. decimal unit prefix in the metric system denoting multiplication by one thousand
  3. measure of how easily a substance bursts into flame, through fire or combustion.
  4. type of colloid, of the form of one solid dispersed in another continuous solid.
  5. mixture of two or more liquids in which one is present as droplets, of microscopic or ultramicroscopic size
  6. reaction is a type of chemical reaction in which the reactant ions exchange places to form new products.
  7. process of separating components of mixtures by using magnets to attract magnetic materials.
  8. a type of change in which the form of matter is altered but one substance is not transformed into another.
  9. sample of matter with both definite and constant composition and distinct chemical properties.
  10. vector quantity, equal to the speed and direction of a particle
  11. occupies space and has mass.
  12. chemical symbol of carbon dioxide
  13. reaction is a type of chemical reaction in which one reactant yields two or more
  14. unit prefix meaning "one billionth"
  15. element that doesn't have the characteristics of metal
  16. component of an atomic nucleus with a mass
  17. chemical symbol of titanium
  18. he push or pull on an object with mass that causes it to change velocity
  19. chemical symbol of chlorine
  20. PROPERTY, characteristic of a substance that may be observed when it participates in a chemical reaction
  21. chemical symbol of osmium
  22. type of colloid in which solid particles are suspended in a liquid
  23. chemical element of Group 1
  24. property of matter that depends only on the type of matter in a sample and not on the amount
  25. chemical symbol of strontium
  26. colloidal system in which the particles are gas bubbles and the medium is a liquid

51 Clues: chemical symbol of osmium • chemical symbol of titanium • chemical symbol of chlorine • chemical element of Group 1 • chemical symbol of magnesium • occupies space and has mass. • chemical symbol of strontium • chemical symbol of carbon dioxide • measure of mass per unit of volume • unit prefix meaning "one billionth" • average mass of atoms of an element, • ...

Chemical reactions 2023-05-15

Chemical reactions crossword puzzle
Across
  1. A reaction of a substance with oxygen to give heat and light.
  2. A chemical reaction that releases heat causing the heat in its environment to rise.
  3. Reaction in which an atom or ion loses electrons.
  4. Formed when 2 elements share valence electrons.
  5. Substance formed in a chemical reaction.
  6. When 2 ions are created, 1 loses an electron and another gains one, ex: NaCl.
  7. Substance that reacts with another substance in a chemical reaction.
Down
  1. Process where substances react with each other and form new substances with different properties.
  2. Substance consisting of more than one element.
  3. Chemical compound with oxygen.
  4. A chemical reaction that absorbs heat and cools down its environment.
  5. Brown, crumbly chemical compound formed when iron reacts with oxygen and water.

12 Clues: Chemical compound with oxygen. • Substance formed in a chemical reaction. • Substance consisting of more than one element. • Formed when 2 elements share valence electrons. • Reaction in which an atom or ion loses electrons. • A reaction of a substance with oxygen to give heat and light. • Substance that reacts with another substance in a chemical reaction. • ...

Chemical Reactions 2024-08-04

Chemical Reactions crossword puzzle
Across
  1. Gas evolved in the reaction between zinc and dilute sulphuric acid.
  2. Example of a chemical reaction involving iron.
  3. The transformation of chemical substances into other chemical substances.
  4. What happens to atoms in a chemical reaction.
Down
  1. The process of breaking down food.
  2. New substances produced in a chemical reaction.
  3. Characteristic of the reaction between zinc and dilute sulphuric acid.
  4. The setting of milk into curd.
  5. Substances which take part in a chemical reaction.
  6. The process of inhaling and exhaling; also a chemical reaction.

10 Clues: The setting of milk into curd. • The process of breaking down food. • What happens to atoms in a chemical reaction. • Example of a chemical reaction involving iron. • New substances produced in a chemical reaction. • Substances which take part in a chemical reaction. • The process of inhaling and exhaling; also a chemical reaction. • ...

Thermodynamics Vocab. 2015-09-17

Thermodynamics Vocab. crossword puzzle
Across
  1. organic molecule that participates in reaction, but is left unchanged afterward
  2. hydrolysis of this molecule can be coupled to an endergonic reaction to make the whole reaction be spontaneous
  3. reactants that bind to active site
  4. law of thermodynamics that says that entropy always increases
  5. name of site where reaction takes place
  6. type of energy that is initially needed to start a reaction
  7. another word for not spontaneous
  8. an agent that speeds up the rate of a chemical reaction without being changed during the reaction (WILL NOT MAKE ANYTHING HAPPEN THAT WOULDN'T HAPPEN ANYWAY)
  9. sum of all chemical reactions in a cell
  10. synthesis of cellular components
  11. total energy
  12. law of thermodynamics that says that energy cannot be created or destroyed
  13. usually inorganic ion that temporarily binds to enzyme
  14. RNA molecules with catalytic properties
Down
  1. this happens when nearly all active sites are occupied by substrate
  2. a subset of potential energy that is due to the energy in molecular bonds
  3. ability to promote change or do work
  4. type of energy due to structure or location
  5. a reaction is said to be this when delta G is negative, and it will occur without the input of additional energy
  6. type of energy associated with movement
  7. breakdown of cellular components
  8. another word for spontaneous
  9. unusable energy
  10. protein catalysts in living cells

24 Clues: total energy • unusable energy • another word for spontaneous • another word for not spontaneous • breakdown of cellular components • synthesis of cellular components • protein catalysts in living cells • reactants that bind to active site • ability to promote change or do work • name of site where reaction takes place • type of energy associated with movement • ...

Bio CK12 1.18 Enzyme Function 2025-09-27

Bio CK12 1.18 Enzyme Function crossword puzzle
Across
  1. The _______ of enzymes depend on the temperature and the pH of the surroundings
  2. chemical reaction that occurs inside the cells of living things.
  3. the place on an enzyme where the substrate binds.
  4. a substance that increases the rate of a chemical reaction by lowering the activation energy without being used up in the reaction.
  5. the molecule or molecules on which an enzyme acts.
  6. main enzyme in the stomach, which chemically digests protein.
  7. it is estimated to be around _______ different enzymes in the human body.
  8. a protein that acts as a biological catalyst, increasing the rate of a biochemical reaction.
Down
  1. organ system that breaks down food, absorbs nutrients, and eliminates any remaining waste.
  2. process that occurs when one or more substances, called reactants, is changed into one or more new substances, called products.
  3. energy needed to start a chemical reaction.
  4. organic molecules, such as glucose, that organisms use for chemical energy.
  5. act by lowering the energy needed to start a chemical reaction
  6. organic compound made up of amino acids.
  7. the ability to do work.
  8. sac-like organ of the digestive system between the esophagus and small intestine in which both mechanical and chemical digestion take place.
  9. long, narrow, tube-like organ of the digestive system between the stomach and large intestine that carries out most of the chemical digestion and nutrient absorption.
  10. At higher temperatures, an enzyme’s shape deteriorates, also known as _________

18 Clues: the ability to do work. • organic compound made up of amino acids. • energy needed to start a chemical reaction. • the place on an enzyme where the substrate binds. • the molecule or molecules on which an enzyme acts. • main enzyme in the stomach, which chemically digests protein. • act by lowering the energy needed to start a chemical reaction • ...

key terms 2022-03-18

key terms crossword puzzle
Across
  1. the branch of science that deals with the identification of the substances of which matter is composed; the investigation of their properties and the ways in which they interact, combine, and change; and the use of these processes to form new substances.
  2. reaction is a reaction in which energy is absorbed
  3. when the reaction is complete you have new substances called
  4. is material that releaes energy when it burns
  5. property is a characteristic of a substance taht describes its abitly to change into other substance
  6. system matter is not allowed to eneter or leave
  7. a solid that forms from solution during a chemical reaction is called a
  8. of mass this principle is call and it states that during q chemical reaction matter created or destroyed
  9. system matter can enter from or escape to the surroundings
  10. is a number place in foront of a chemcial formula in an eqaution
  11. is a material that increases the rate of a reaction be lowering the activation energy.
  12. anything that has mass and takes up space
Down
  1. change is any change that alter the form or apperance of a substance but that does not make the substance change into another substance.
  2. the substance you have at the beginning are called the
  3. in chemistry when two or more elements or compounds combine to make more complex susbstance the process is called
  4. fire is the result of a rapid reaction between oxygen and a substance called a fuel
  5. when one element replaces another in compound or when two elements in different compounds trade places the process is called
  6. is the amount of a substance in a given volume
  7. energy is the minimum amount of energy needed to start a chemical reaction
  8. in contrast to a synthesis reaction a process called breaks down compounds into simpler products
  9. equation is a short easy way to show chemical reaction unsing symbols instead of words
  10. reaction A change in matter that produces one or more new substances is a chemical change or
  11. a material used to decrease the rate of a reaction is an
  12. property a characteristic of a substance that can be observed without changing the substance into another substance
  13. the cells in your body comtains biological catalysts called

25 Clues: anything that has mass and takes up space • is material that releaes energy when it burns • is the amount of a substance in a given volume • system matter is not allowed to eneter or leave • reaction is a reaction in which energy is absorbed • the substance you have at the beginning are called the • a material used to decrease the rate of a reaction is an • ...

Hon Chem Spring Vocab Part 1 2025-05-13

Hon Chem Spring Vocab Part 1 crossword puzzle
Across
  1. a particle with a charge
  2. Substances that are formed by a chemical change in a chemical reaction
  3. An equality statement in fraction form that helps you convert between units
  4. Position that contains a number that indicates how many atoms are present in a molecule
  5. The mass of a substance expressed in grams per one mole
  6. Refers to standard temperature and pressure and allows application of the constant 22.4 L with regard to gases
  7. A type of chemical reaction in which multiple substances form a single product
  8. Inclusive of all substance potentials: atoms, ions, molecules, and formula units
  9. A type of chemical reaction that involves a single element replaces a second element in a compound
  10. The number of particles present in one mole of substance
  11. The unit of particles for an element
  12. A pair of electrons on the central atom of a molecule that do not participate in bonding
  13. A region on the central atom of a molecule where electrons are most likely to be found (bonding and nonbonding electrons)
  14. A substance that speeds up a reaction but is not used up in the reaction
  15. A type of electron that participates in bonding
  16. A type of reaction where a hydrocarbon reacts with oxygen gas to produce carbon dioxide and water vapor
  17. Substances that are started with at the beginning of a chemical reaction
  18. A bond formed when electrons are transferred from one to another
  19. A number that indicates how many moles of a substance are present in a balanced chemical reaction
  20. Lowest whole number ratio of atoms of the elements in the compound
  21. The unit of particles for a covalent compound
Down
  1. A solid that forms from a reaction between two aqueous solutions
  2. equation that represents what occurs a salt is placed in water
  3. A type of reaction that involves the exchange of cations between to compounds
  4. The unit of particles for an ionic compound
  5. A bond formed when electrons are shared between two atoms
  6. An equation that shows aqueous ionic compounds as dissociated ions
  7. A chart used to predict the states of matter of compounds
  8. Percent by mass of each element in the compound
  9. A chart used to predict if a single replacement reaction will occur based on reactivity
  10. Position that contains a number that indicates the charge of an ion
  11. Diagram that shows the valence electrons of an atom
  12. The same as the empirical formula or a whole number multiple of its empirical formula
  13. The crux of the mole map that allows for conversions between mass, volume, and particles
  14. A type of chemical reaction in which a single substance breaks down into multiple substances
  15. A solution in which a solid is dissolved in water

36 Clues: a particle with a charge • The unit of particles for an element • The unit of particles for an ionic compound • The unit of particles for a covalent compound • Percent by mass of each element in the compound • A type of electron that participates in bonding • A solution in which a solid is dissolved in water • Diagram that shows the valence electrons of an atom • ...

Chemistry Crossword 2017-02-05

Chemistry Crossword crossword puzzle
Across
  1. A substance that can accept of neutralise hydrogen ions.
  2. A molecule that can donate a proton or accept a pair of electrons in reactions.
  3. A positively charged particle.
  4. Damage caused to a metal or stone.
  5. The process of decay.
  6. A fast chemical combination of a substance with oxygen.
  7. Where substances act with each other, or change into a new substance.
  8. A compound with chemical properties.
  9. A particle that has lost or gained one or more electrons.
  10. The power of combined elements.
  11. A non-charged /neutral particle.
  12. Elements that occupy a column on the periodic table.
  13. A negatively charged ion.
Down
  1. Elements that occupy a horizontal row on the periodic table.
  2. A positively charged ion.
  3. The result of a chemical reaction.
  4. The process of precipitating a substance from a solution.
  5. The bond of two or more elements.
  6. A negatively charged particle.
  7. A substance that speeds or slows down a reaction without getting involved.
  8. A combination of element symbols.
  9. a substance that is added to cause a chemical reaction,
  10. A particle that makes up everything.

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

periodic table crossword puzzle 2013-05-23

periodic table crossword puzzle crossword puzzle
Across
  1. the average mass of on atom of an elements
  2. organizes information about the element and their properties
  3. a particle made of two or more atoms
  4. the smallest particle of an element
  5. a short simple way to describe a chemical reaction
  6. the substance you start with in a chemical reaction
  7. a row across the table
  8. a substance that cannotbe broken down into any other substance
  9. a charateristic that is observed when something changes into a different substance
  10. elements in the same columns
  11. constist of two or more substances
Down
  1. a chemical reaction
  2. an elements is presented by one or two letters
  3. a caracteristic of a subsatance that can be observed without changing the substance
  4. alters the form or apperance of a meterial
  5. material that can be pounded into shapes
  6. the force that holds atoms together
  7. shows the ratio of elements in the compound
  8. asubstance made of two or more elements
  9. an element is the number of protons in the nucleus
  10. a substance formed as a result of a chemical reaction

21 Clues: a chemical reaction • a row across the table • elements in the same columns • constist of two or more substances • the smallest particle of an element • the force that holds atoms together • a particle made of two or more atoms • asubstance made of two or more elements • material that can be pounded into shapes • the average mass of on atom of an elements • ...

Chemical reactions Vocabulary 2025-01-31

Chemical reactions Vocabulary crossword puzzle
Across
  1. substance that contains no water
  2. mixture of gases that surrounds the Earth
  3. positively charged ion
  4. negatively charged ion
  5. bond bond made between a metal and nonmetal formed through the transfer of electrons
  6. a substance that is chemically combined with water
  7. process manufacture of sulfur dioxide using sulfur and oxygen
  8. or a reaction to occur, collide in the right orientation, and with sufficient energy.
  9. loss of oxygen
  10. minimum amount of energy required 4 a rxn
Down
  1. a process in which one or more substances are changed into others
  2. a chemical reaction that can both forwards and backwards
  3. an ion made of several elements that are covalently bonded together
  4. measure of how fast a chemical reaction occurs
  5. substance that speeds up the rate of a chemical reaction
  6. gain of oxygen
  7. a protein that acts as a biological catalyst
  8. chemical process that produces ammonia in large quantities
  9. rate of both the forward and reverse reactions are the same
  10. ion a charged particlemade from a sigle atom with an uneven number of protons and electrons

20 Clues: gain of oxygen • loss of oxygen • positively charged ion • negatively charged ion • substance that contains no water • mixture of gases that surrounds the Earth • minimum amount of energy required 4 a rxn • a protein that acts as a biological catalyst • measure of how fast a chemical reaction occurs • a substance that is chemically combined with water • ...

Biology Unit 2 crossword 2022-09-28

Biology Unit 2 crossword crossword puzzle
Across
  1. powerhouse of the cell, ATP is produced
  2. plants use the sun to make energy,oxygen
  3. process that requires oxygen
  4. cells release energy in place of oxygen
  5. fluid portion of chloroplast
  6. sugar that provides energy
  7. breakdown of glucose by enzymes
  8. process that does't require oxygen
  9. reaction of photosynthesis, no light
  10. molecule that stores energy for etc
Down
  1. compound produced by chemical reaction
  2. anything that has mass/takes up space
  3. reaction of photosynthesis, yes light
  4. flatten membrane sack inside chloroplast
  5. where photosynthesis takes place
  6. the reduced form of NAD+
  7. adenosine triphosphate (energy source)
  8. jelly like fluid inside of cells
  9. starting material in chemical reaction
  10. second stage of cellular respiration

20 Clues: the reduced form of NAD+ • sugar that provides energy • process that requires oxygen • fluid portion of chloroplast • breakdown of glucose by enzymes • where photosynthesis takes place • jelly like fluid inside of cells • process that does't require oxygen • molecule that stores energy for etc • second stage of cellular respiration • reaction of photosynthesis, no light • ...

physical science crossword puzzle 2022-12-15

physical science crossword puzzle crossword puzzle
Across
  1. the absorbtion of heat
  2. electrons are shared
  3. unequal sharing of electrons
  4. soft metals highly reactive with water
  5. enerrgy required to pull 2 atoms apart
  6. the heat releases
  7. ability to be deformed
  8. electrons in the outermost shell
  9. substances that react
  10. the thickness or runniness of a liquid
  11. temp of melting
  12. substances that form in chem reaction
Down
  1. chemical bonds between atoms are broke
  2. electrons flow in an electron sea
  3. hard metals that are malleable
  4. electrons are given and taken
  5. written form of a chemical reaction
  6. rate the speed of any chem reaction
  7. burns at room temp
  8. temp of boiling
  9. molecules not having a dipol

21 Clues: temp of boiling • temp of melting • the heat releases • burns at room temp • electrons are shared • substances that react • the absorbtion of heat • ability to be deformed • unequal sharing of electrons • molecules not having a dipol • electrons are given and taken • hard metals that are malleable • electrons in the outermost shell • electrons flow in an electron sea • ...

physical science crossword puzzle 2022-12-15

physical science crossword puzzle crossword puzzle
Across
  1. substances that form in chem reaction
  2. the thickness or runniness of a liquid
  3. temp of boiling
  4. enerrgy required to pull 2 atoms apart
  5. chemical bonds between atoms are broke
  6. electrons are shared
  7. electrons in the outermost shell
  8. ability to be deformed
  9. the absorbtion of heat
  10. molecules not having a dipol
  11. electrons flow in an electron sea
  12. temp of melting
Down
  1. hard metals that are malleable
  2. rate the speed of any chem reaction
  3. electrons are given and taken
  4. substances that react
  5. the heat releases
  6. burns at room temp
  7. unequal sharing of electrons
  8. soft metals highly reactive with water
  9. written form of a chemical reaction

21 Clues: temp of boiling • temp of melting • the heat releases • burns at room temp • electrons are shared • substances that react • ability to be deformed • the absorbtion of heat • molecules not having a dipol • unequal sharing of electrons • electrons are given and taken • hard metals that are malleable • electrons in the outermost shell • electrons flow in an electron sea • ...

Chapter 8 & 9 Chemistry 2022-04-26

Chapter 8 & 9 Chemistry crossword puzzle
Across
  1. the ratio of actual yield to theoretical yield expressed as a percentage
  2. shorthand for molecules
  3. the reactant that limits the amount of product that can be made
  4. a solution in which a large portion of the solute exists as ions
  5. a type of chemical reaction in which two particles form an insoluble substance
  6. any substance that decreases the hydrogen ion in a solution
  7. a solid that dissolves in a liquid
  8. show the complete formulas of all reactants and products
  9. a chemical reaction with 02 in the reactants
  10. a conversion factor based on the balanced chemical equation
  11. a solid that forms from a solution
  12. equation an ionic equation the only includes the particles that participate
Down
  1. the chemicals that produce the products in a chemical reaction
  2. the chemicals made up of reactants
  3. an acid that completely ionizes in a solution
  4. the main reason a chemical reaction occurs
  5. any compound that forms H+ ions
  6. the ions that do not participate in a chemical reaction
  7. when an acid and base mix and form H2O
  8. the formation of a precipitate from two solubles
  9. a compound that is made from the neutralization of an acid with a base
  10. a base that completely dissolves in a solution
  11. given by the relative atomic mass of the element multiplied by the molar mass constant
  12. a solid that does not dissolve in a liquid
  13. the maximum amount of product that can made with a given reactant
  14. an equation to determine the relative masses of chemicals

26 Clues: shorthand for molecules • any compound that forms H+ ions • the chemicals made up of reactants • a solid that dissolves in a liquid • a solid that forms from a solution • when an acid and base mix and form H2O • the main reason a chemical reaction occurs • a solid that does not dissolve in a liquid • a chemical reaction with 02 in the reactants • ...

Chemistry Crossword 2017-02-05

Chemistry Crossword crossword puzzle
Across
  1. A substance that can accept of neutralise hydrogen ions.
  2. A particle that makes up everything.
  3. A substance that speeds or slows down a reaction without getting involved.
  4. A positively charged particle.
  5. The process of decay.
  6. A compound with chemical properties.
  7. The result of a chemical reaction.
  8. The bond of two or more elements.
  9. A negatively charged ion.
  10. a substance that is added to cause a chemical reaction,
Down
  1. Where substances act with each other, or change into a new substance.
  2. Damage caused to a metal or stone.
  3. The process of precipitating a substance from a solution.
  4. A non-charged /neutral particle.
  5. A positively charged ion.
  6. A molecule that can donate a proton or accept a pair of electrons in reactions.
  7. A fast chemical combination of a substance with oxygen.
  8. Elements that occupy a horizontal row on the periodic table.
  9. A negatively charged particle.
  10. The power of combined elements.
  11. A combination of element symbols.
  12. A particle that has lost or gained one or more electrons.
  13. Elements that occupy a column on the periodic table.

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

Unit B Crossword 2017-11-08

Unit B Crossword crossword puzzle
Across
  1. a chemical reaction in your body
  2. chemical combination of 2 or more elements
  3. a subatomic particle with a negative charge
  4. release of heat
  5. substances that speed up the reaction rate
  6. consists of a nonmetal and a nonmetal
  7. average mass of an element
  8. when oxygen reacts with another substance to form a new substance that gives off energy
  9. a subatomic particle found in every nucleus, except for hydrogen
  10. an irreversible reaction
  11. the most stable and nonreactive nonmetals
Down
  1. earth metals, less reactive than alkali
  2. a new substance produced in a chemical reaction between reactants
  3. absorption of heat
  4. organic catalyst
  5. consists of a metal and a nonmetal
  6. anything on the periodic table
  7. a substance that reacts with another to create a new substance
  8. made up of one type of matter
  9. most reactive metals
  10. can be in between metals and nonmetals
  11. the number of protons of an atom, determines its place on the periodic table
  12. a slow chemical change that occurs when oxygen reacts with metal
  13. most reactive non metals
  14. a subatomic particle with a positive charge

25 Clues: release of heat • organic catalyst • absorption of heat • most reactive metals • most reactive non metals • an irreversible reaction • average mass of an element • made up of one type of matter • anything on the periodic table • a chemical reaction in your body • consists of a metal and a nonmetal • consists of a nonmetal and a nonmetal • can be in between metals and nonmetals • ...

Chemical Reactions 2021-10-06

Chemical Reactions crossword puzzle
Across
  1. humans can eat and drink some
  2. Give out energy as heat light or electrical energy
  3. aqueous solution which has a relatively high percentage of the base
  4. readily give away their hydrogen ions
  5. measures how strong an acid or base a solution is
  6. Are the chemical opposite of acids
  7. is the process in which an electron is removed from a molecule during a chemical reaction
Down
  1. Are the substances at the end of the chemical reaction
  2. Are the substances at the start of the chemical reaction
  3. any material that can be made to react to with other substances
  4. a gradual destruction of materials by a chemical reaction with their environment
  5. Absorb energy from their surroundings
  6. are molecules that contain hydrogen and carbon atoms
  7. Are a group of chemical compounds all with similar properties
  8. a base that dissolves in water

15 Clues: humans can eat and drink some • a base that dissolves in water • Are the chemical opposite of acids • Absorb energy from their surroundings • readily give away their hydrogen ions • measures how strong an acid or base a solution is • Give out energy as heat light or electrical energy • are molecules that contain hydrogen and carbon atoms • ...

Science Spark Crossword 2 2026-05-08

Science Spark Crossword 2 crossword puzzle
Across
  1. an electrically charged atom that has gained or lost one or more electrons.
  2. an imaginary line around which an object rotates.
  3. a group of two or more atoms joined by chemical bonds.
  4. a water-soluble compound that donates protons (H+ ions) to a base.
  5. – a chemical reaction in which a single substance is broken down into two or more products.
  6. neither acidic nor basic.
  7. a reproduction or likeness of an object.
  8. a substance that takes part in a chemical reaction.
Down
  1. a chemical reaction in which a fuel burns in a gas, usually oxygen.
  2. a chemical reaction in which two or more reactants form a single product.
  3. a location’s distance north or south of the equator.
  4. – the bending of a wave as it passes from one medium to another.
  5. an element that is malleable and usually conducts heat and electricity well.
  6. H2O
  7. the number of chemical bonds an element is capable of forming.

15 Clues: H2O • neither acidic nor basic. • a reproduction or likeness of an object. • an imaginary line around which an object rotates. • a substance that takes part in a chemical reaction. • a location’s distance north or south of the equator. • a group of two or more atoms joined by chemical bonds. • the number of chemical bonds an element is capable of forming. • ...

What's Hot? 2014-09-23

What's Hot? crossword puzzle
Across
  1. base that can dissolve in water
  2. a substance which has a solute dissolved in it
  3. a solution with a small amount of solute and a large amount of solute
  4. can burn or eat away a material
  5. a scale used to measure acidity
  6. a solution with a large amount of solute in a solvent
  7. an insoluble substance formed from the combination of two solutions
  8. symbols which represent a compound or element
  9. a positively charged ion
  10. the substances combined in a chemical reaction
  11. a compound formed in a neutralisation reaction
  12. a process or reaction which takes in energy
  13. a negatively charged ion
Down
  1. substance with a high pH
  2. two or more atoms joined together as a unit
  3. a solution formed when a solute dissolves in water
  4. a process or reaction which gives out energy
  5. an atom or group of atoms that has lost or gained electrons
  6. substance made up of two or more elements
  7. reaction between an acid and a base
  8. a shorthand way of representing a chemical reaction
  9. a substance made up of one type of atom
  10. the new substances formed after a chemical reaction
  11. a substance which is dissolved in a solution
  12. corrosive substance with a low pH
  13. letter or letters that represent and element

26 Clues: substance with a high pH • a positively charged ion • a negatively charged ion • base that can dissolve in water • can burn or eat away a material • a scale used to measure acidity • corrosive substance with a low pH • reaction between an acid and a base • a substance made up of one type of atom • substance made up of two or more elements • ...

KS3 Unit 8 - Chemical Reactions 2025-07-17

KS3 Unit 8 - Chemical Reactions crossword puzzle
Across
  1. a chemical compound containing only hydrogen and carbon.
  2. articulates small particles of carbon made during incomplete combustion also known as soot.
  3. how easily a material is rolled out into a sheet without breaking.
  4. mistakes in results due to human judgement or poor control of variables.
  5. a solution that contains as much dissolved solid as it possibly can.
  6. a reaction displayed using the chemical symbols of the substances involved.
  7. a common acid.
  8. a reaction in which new substances are made.
  9. chemical reaction where a substance is broken down into at least two new substances when heated.
  10. the process by which a solid forms, where the atoms or molecules are highly organised into a structure known as a crystal.
  11. material which light can travel through.
  12. combustion with a very limited supply of oxygen, that produces carbon particulates and water.
  13. a chemical that can break up large molecules.
  14. red or blue paper used to test for acids and alkalis.
  15. a substance containing two or more elements that are not chemically joined.
  16. produces a ringing sound when hit.
  17. caused by excess acid being produced in the stomach and escaping to areas where cells are not protected from it.
  18. a chemical that changes colour depending on how acidic or alkaline a liquid is.
  19. combustion with a limited supply of oxygen, that produces carbon monoxide and water.
  20. a common acid. Used in car batteries.
  21. alkali pH 11 – 14.
  22. a chemical which speeds up the rate of a reaction without being used up in the reaction.
  23. a base that dissolves in water.
  24. easily broken.
  25. when a liquid turns into a gas.
  26. a part, share, or number considered in comparative relation to a whole.
  27. a mixture of indicators giving a different colour depending on how weak or strong an acid or alkali is.
  28. liquid liquid that is red in acids, purple in neutral and blue in alkalis.
  29. the useful product in a chemical reaction.
  30. a reaction between an acid and a base (or alkali) that makes a solution with a pH of 7. A salt and water are produced.
  31. an exothermic reaction that gives out lots of energy or a reaction that produces a gas very quickly making lots of bubbles. If the gas is flammable, it could ignite or be explosive.
  32. how easily a material is drawn out into thin wire without breaking.
  33. something that is used to describe how a material behaves and what it is like. Strength is a property of some solids.
  34. a way of describing a reaction using chemical formula showing the correct numbers of molecules involved to show conservation of mass.
  35. a process or reaction that releases energy from the system to its surroundings, usually in the form of heat or light.
  36. pH 8 – 10.
Down
  1. when a shiny metal gets a dull coating due to the reaction with oxygen.
  2. the acid in vinegar.
  3. something that irritates the skin and eyes.
  4. reaction of a substance with oxygen to produce a compound containing oxygen (oxygen has been ‘added’ to the original substance).
  5. substances that attack metals, stonework and skin are called corrosive.
  6. chemicals in a mixture that are undesirable.
  7. symptoms such as pain in the chest.
  8. contains OH e.g. sodium hydroxide NaOH.
  9. a burning reaction, when a fuel combines with oxygen and releases energy.
  10. mass is not created or lost in a chemical reaction.
  11. substance that is neither an acid nor an alkali. It has a pH of 7.
  12. a solid chemical that reacts with an acid to form a salt and water.
  13. the smallest part of an element.
  14. weak acid in some insect stings.
  15. a chemical compound that contains one carbon atom and three oxygen atoms (CO3).
  16. safe to eat.
  17. pH 0 – 3.
  18. the strong force of attraction holding atoms together in a molecule.
  19. when a gas is being given out, bubbling and fizzing is observed.
  20. too much of something.
  21. treat acidic soil with lime to increase the pH and ensure better growth of certain crops.
  22. a compound made when acids react with metals or bases. Many salts are chlorides, sulphates or nitrates. Common salt is sodium chloride.
  23. a machine to measure pH in solutions, reduces random errors and can determine pH to decimal numbers.
  24. a common acid that is found in your stomach.
  25. substances that can be split into simpler substances.
  26. chemicals that form new substances during a chemical reaction.
  27. solution pH > 7, formed when an alkali dissolves in water.
  28. iron oxide – a flaky red compound formed when iron reacts with oxygen.
  29. a substance that turns litmus red. It has a pH of less than 7.
  30. un unfavourable circumstance or condition that reduces the chances of success or effectiveness.
  31. a toxic molecule that binds irreversibly with red blood cells and stops them carrying oxygen.
  32. anything that stores energy that can be converted into heat energy, e.g. fossil fuels and nuclear fuels.
  33. chemical reactions to aid in the manufacturing of an item or items, usually carried out on a very large scale.
  34. a reaction displayed in words.
  35. a new chemical formed in a chemical reaction.
  36. a substance that cannot be split up into anything simpler by chemical reactions. All the atoms in an element are the same.
  37. the set of metallic elements occupying the central block of the periodic table.
  38. unable to be bent or forced out of shape.
  39. does not have a smell.
  40. a chemical reaction that takes in energy from the surroundings (often heat), leading to a fall in temperature.
  41. the acid in citrus fruits.
  42. pH 4 – 6.

78 Clues: pH 0 – 3. • pH 4 – 6. • pH 8 – 10. • safe to eat. • a common acid. • easily broken. • alkali pH 11 – 14. • the acid in vinegar. • too much of something. • does not have a smell. • the acid in citrus fruits. • a reaction displayed in words. • a base that dissolves in water. • when a liquid turns into a gas. • the smallest part of an element. • weak acid in some insect stings. • ...

Acids, alkalis and hazards 2023-02-07

Acids, alkalis and hazards crossword puzzle
Across
  1. set of rules for writing a word equation
  2. solutions that do not change the colour of indicators
  3. the starting substance in a chemical reaction
  4. a product of neutralisation
  5. destroy or damage from chemical reaction
  6. when an acid and alkali are mixed together and cancel each other out
  7. a substance that is formed from a chemical reaction
  8. the value that determines how acidic or alkaline a substance is
  9. something that can minor harm
  10. these substances catch fire easily
  11. poisonous and can cause death
Down
  1. used to describe chemical reactions
  2. changes colour with different pH of substances
  3. more dangerous than a pure substance
  4. low number on the pH scale
  5. less dangerous than corrosive or toxic, may cause irritation
  6. watered down to make it less dangerous
  7. heating may cause explosive
  8. something that can cause harm
  9. high number on the pH scale

20 Clues: low number on the pH scale • a product of neutralisation • heating may cause explosive • high number on the pH scale • something that can cause harm • something that can minor harm • poisonous and can cause death • these substances catch fire easily • used to describe chemical reactions • more dangerous than a pure substance • watered down to make it less dangerous • ...

Biology Vocab 2020-12-17

Biology Vocab crossword puzzle
Across
  1. substances made from large molecules
  2. building blocks of lipids
  3. substance formed after a chemical reaction
  4. building block for polymers
  5. substance that provides H atoms
  6. substance that solvent dissolves in
  7. smallest unit of matter
  8. macromolecule that is important to DNA&RNA
  9. bond where electrons are donated
  10. building blocks of proteins
  11. biological catalyst
  12. substance that can be added to speed up chemical reactions
  13. substance changing in a chemical reaction
Down
  1. molecule that can dissolve in others
  2. two or more atoms bonded together
  3. a nonpolar macromolecule
  4. amount needed to start a chemical reaction
  5. mixture or solvent & solute
  6. bond where electrons are shared
  7. macromolecules consisting of amino acid chains
  8. macromolecule consisting of CHO
  9. substance that consists of 2 or more elements
  10. Substance that cannot be broken down chemically
  11. compound that produces H ions
  12. molecule that lost a valence electron

25 Clues: biological catalyst • smallest unit of matter • a nonpolar macromolecule • building blocks of lipids • mixture or solvent & solute • building block for polymers • building blocks of proteins • compound that produces H ions • bond where electrons are shared • substance that provides H atoms • macromolecule consisting of CHO • bond where electrons are donated • ...

Chemistry Unit 3 2023-12-21

Chemistry Unit 3 crossword puzzle
Across
  1. equipment used to test pH value of an acid or alkali
  2. element symbol Li
  3. reaction when a more reactive element dsiplaces a less reactive element
  4. a base that can be dissolved in water
  5. _________ change that can be reversed
  6. reaction when energy is given out to the surrounding
  7. _______indicator used to test for an acid or alkali
  8. element symbol Ca
  9. _________ acid with a chemical formula HNO3
  10. state symbol (s)
Down
  1. element symbol Mg
  2. element in group 3 on the reactivity series
  3. ________ acid with a chemical formula HCl
  4. ___________ change that cannot be reverse
  5. reaction when energy is taken in from the surroundings
  6. most reactive element on the reactivity series
  7. _________ paper used to test for an acid of alkali
  8. least reactive element on the reactivity series
  9. ___________ acid with a chemical formulae H2SO4
  10. can go back to what you started with
  11. state symbol (l)
  12. state symbol (g)

22 Clues: state symbol (l) • state symbol (g) • state symbol (s) • element symbol Mg • element symbol Li • element symbol Ca • can go back to what you started with • a base that can be dissolved in water • _________ change that can be reversed • ________ acid with a chemical formula HCl • ___________ change that cannot be reverse • element in group 3 on the reactivity series • ...

Stoichiomic Shrimp and Grits 2023-05-15

Stoichiomic Shrimp and Grits crossword puzzle
Across
  1. maximum possible amount of product that can be produced from the chemical reaction of a given amount of reactant
  2. shows which elements are in the compound and the actual number of each
  3. refers to the number of atoms, particles, or molecules in one mole
  4. the ingredients in a chemical reaction;the substances on the left side of the arrow in a chemical equation
  5. the number to the left of a substance in a chemical
  6. the substances being made in chemical reaction; the substances on the right side of the arrow in a chemical equation.
  7. a small unit of measurement
Down
  1. process of using a balanced equation to determine the relative masses reactants and products involved the reaction
  2. ratio of moles of one substance to another
  3. reactant that is not used up when a reaction is run to completion
  4. used up when the reaction is run to completion
  5. a chemical reaction that has the same number of atoms of each element on both sides of it; even if they are arranged differently on each side
  6. compares the actual and theoretical yield
  7. the number of grams in one mole of substance. It is calculated by adding up the atomic masses of all elements in the compound.The units are always g/1 mol.

14 Clues: a small unit of measurement • compares the actual and theoretical yield • ratio of moles of one substance to another • used up when the reaction is run to completion • the number to the left of a substance in a chemical • reactant that is not used up when a reaction is run to completion • refers to the number of atoms, particles, or molecules in one mole • ...

Chemical Reaction Vocabulary 2022-03-25

Chemical Reaction Vocabulary crossword puzzle
Across
  1. -chemical reaction that occurs when parts of two ionic compounds are exchanged, making two new compounds
  2. -chemical reaction in which a single compound is broken down into two or more simpler products
  3. -chemical reaction in which two or more substances react to yield a single product
  4. -chemical reaction between acid and a base react to form water and a salt
  5. -chemical reaction when hydrocarbon burns in the presence of oxygen to create carbon dioxide and water vapor
Down
  1. -describes the chemical reaction using chemical formulas and other symbols
  2. -chemical reaction in which one element is substituted for another element in a compound
  3. -chemical equation that only includes the dissociated ions that participate in the reaction, does not include spectator ions
  4. -participates in a chemical reaction and is on the left side of the equation
  5. -formed during the chemical reaction and is on the right side of the equation

10 Clues: -chemical reaction between acid and a base react to form water and a salt • -describes the chemical reaction using chemical formulas and other symbols • -participates in a chemical reaction and is on the left side of the equation • -formed during the chemical reaction and is on the right side of the equation • ...

What's Hot? 2014-09-23

What's Hot? crossword puzzle
Across
  1. a substance which is dissolved in a solution
  2. two or more atoms joined together as a unit
  3. an insoluble substance formed from the combination of two solutions
  4. a solution with a large amount of solute in a solvent
  5. a substance which has a solute dissolved in it
  6. a process or reaction which gives out energy
  7. can burn or eat away a material
  8. base that can dissolve in water
  9. a shorthand way of representing a chemical reaction
  10. corrosive substance with a low pH
  11. letter or letters that represent and element
Down
  1. a compound formed in a neutralisation reaction
  2. a substance made up of one type of atom
  3. the new substances formed after a chemical reaction
  4. an atom or group of atoms that has lost or gained electrons
  5. substance made up of two or more elements
  6. a process or reaction which takes in energy
  7. reaction between an acid and a base
  8. a solution formed when a solute dissolves in water
  9. a scale used to measure acidity
  10. a positively charged ion
  11. substance with a high pH
  12. a negatively charged ion
  13. the substances combined in a chemical reaction
  14. symbols which represent a compound or element
  15. a solution with a small amount of solute and a large amount of solute

26 Clues: a positively charged ion • substance with a high pH • a negatively charged ion • a scale used to measure acidity • can burn or eat away a material • base that can dissolve in water • corrosive substance with a low pH • reaction between an acid and a base • a substance made up of one type of atom • substance made up of two or more elements • ...

What's Hot? 2014-09-23

What's Hot? crossword puzzle
Across
  1. a scale used to measure acidity
  2. substance made up of two or more elements
  3. the new substances formed after a chemical reaction
  4. a solution with a small amount of solute and a large amount of solute
  5. two or more atoms joined together as a unit
  6. a process or reaction which takes in energy
  7. a positively charged ion
  8. a shorthand way of representing a chemical reaction
  9. reaction between an acid and a base
  10. a compound formed in a neutralisation reaction
  11. corrosive substance with a low pH
  12. a substance which is dissolved in a solution
  13. letter or letters that represent and element
  14. an atom or group of atoms that has lost or gained electrons
Down
  1. symbols which represent a compound
  2. a process or reaction which gives out energy
  3. a solution formed when a solute dissolves in water
  4. an insoluble substance formed from the combination of two solutions
  5. a substance made up of one type of atom
  6. a solution with a large amount of solute in a solvent
  7. a negatively charged ion
  8. the substances combined in a chemical reaction
  9. can burn or eat away a material
  10. a substance which has a solute dissolved in it
  11. base that can dissolve in water
  12. substance with a high pH

26 Clues: a negatively charged ion • a positively charged ion • substance with a high pH • a scale used to measure acidity • can burn or eat away a material • base that can dissolve in water • corrosive substance with a low pH • symbols which represent a compound • reaction between an acid and a base • a substance made up of one type of atom • substance made up of two or more elements • ...

What's Hot? 2014-09-23

What's Hot? crossword puzzle
Across
  1. a solution with a small amount of solute and a large amount of solute
  2. a process or reaction which takes in energy
  3. an insoluble substance formed from the combination of two solutions
  4. a compound formed in a neutralisation reaction
  5. symbols which represent a compound
  6. a solution with a large amount of solute in a solvent
  7. substance made up of two or more elements
  8. letter or letters that represent and element
  9. a negatively charged ion
  10. a substance which is dissolved in a solution
  11. a shorthand way of representing a chemical reaction
  12. a substance which has a solute dissolved in it
Down
  1. a substance made up of one type of atom
  2. reaction between an acid and a base
  3. a scale used to measure acidity
  4. a solution formed when a solute dissolves in water
  5. a process or reaction which gives out energy
  6. base that can dissolve in water
  7. the new substances formed after a chemical reaction
  8. can burn or eat away a material
  9. the substances combined in a chemical reaction
  10. corrosive substance with a low pH
  11. substance with a high pH
  12. two or more atoms joined together as a unit
  13. a positively charged ion
  14. an atom or group of atoms that has lost or gained electrons

26 Clues: substance with a high pH • a negatively charged ion • a positively charged ion • a scale used to measure acidity • base that can dissolve in water • can burn or eat away a material • corrosive substance with a low pH • symbols which represent a compound • reaction between an acid and a base • a substance made up of one type of atom • substance made up of two or more elements • ...

What's Hot? 2014-09-23

What's Hot? crossword puzzle
Across
  1. a solution with a large amount of solute in a solvent
  2. a solution formed when a solute dissolves in water
  3. a process or reaction which gives out energy
  4. an insoluble substance formed from the combination of two solutions
  5. the substances combined in a chemical reaction
  6. substance with a high pH
  7. corrosive substance with a low pH
  8. two or more atoms joined together as a unit
  9. can burn or eat away a material
  10. a positively charged ion
  11. a negatively charged ion
  12. an atom or group of atoms that has lost or gained electrons
  13. a substance which has a solute dissolved in it
  14. letter or letters that represent and element
  15. a solution with a small amount of solute and a large amount of solute
Down
  1. a substance which is dissolved in a solution
  2. reaction between an acid and a base
  3. a process or reaction which takes in energy
  4. the new substances formed after a chemical reaction
  5. a compound formed in a neutralisation reaction
  6. a scale used to measure acidity
  7. base that can dissolve in water
  8. substance made up of two or more elements
  9. a substance made up of one type of atom
  10. a shorthand way of representing a chemical reaction
  11. symbols which represent a compound

26 Clues: substance with a high pH • a positively charged ion • a negatively charged ion • a scale used to measure acidity • base that can dissolve in water • can burn or eat away a material • corrosive substance with a low pH • symbols which represent a compound • reaction between an acid and a base • a substance made up of one type of atom • substance made up of two or more elements • ...

Chemistry Review 2017-02-08

Chemistry Review crossword puzzle
Across
  1. Positive charged atomic particle
  2. the start of a chemical reaction
  3. share both traits from metals and nonmetals
  4. a group of more than one element
  5. a heated reaction
  6. shiny good conductor not brittle
  7. all elements that went into reaction come out of reaction with same number
  8. the letters that identify the element
  9. # of electrons in outer shell
  10. the end result of a chemical reaction
  11. atomic particle negative charge
  12. atomic paticle no charge
  13. metal nonmetal and metalloid _____
Down
  1. a group of atoms
  2. horizontal rows of elements with same electron shells
  3. add up the protons and nuetrons
  4. a full outer shell
  5. dull bad conductor brittle
  6. the creator of the PT
  7. a pure substance on the PT
  8. The Building block s of matter
  9. the number of protons and electrons
  10. a cold reaction
  11. the different levels were valence are at
  12. center of an atom

25 Clues: a cold reaction • a group of atoms • a heated reaction • center of an atom • a full outer shell • the creator of the PT • atomic paticle no charge • dull bad conductor brittle • a pure substance on the PT • # of electrons in outer shell • The Building block s of matter • add up the protons and nuetrons • atomic particle negative charge • Positive charged atomic particle • ...

Chemical Reactions 2022-04-05

Chemical Reactions crossword puzzle
Across
  1. Describes the change which happens when there is a change of state.
  2. A reaction which gives out energy.
  3. Carbon compound formed when fuels burn.
  4. Describes the positions of particles in liquids and gases.
  5. Solid,......... and gas are the 3 states of matter.
  6. A solid ......... to form a liquid.
  7. Describes temperature when a substance changes state.
  8. This may change during a chemical reaction.
  9. Solid particles do this.
Down
  1. Describes a reaction where something breaks down.
  2. You see these when a reaction produces a gas.
  3. The scientific word for burning.
  4. A chemical formed when 2 elements join together.
  5. Describes the change which happens when a chemical reaction takes place.
  6. What you must do to a gas to form a liquid.
  7. Apparatus used to measure temperature.
  8. Gas in the air, needed for burning.

17 Clues: Solid particles do this. • The scientific word for burning. • A reaction which gives out energy. • A solid ......... to form a liquid. • Gas in the air, needed for burning. • Apparatus used to measure temperature. • Carbon compound formed when fuels burn. • What you must do to a gas to form a liquid. • This may change during a chemical reaction. • ...

Science Vocab 2023-12-06

Science Vocab crossword puzzle
Across
  1. A chemical reaction that releases energy in the form of heat, sound, or electricity
  2. Where a solute disintegrates in a solvent to form a solution
  3. A chemical reaction in which heat is absorbed from its surroundings
  4. A chemical substance that contains hydrogen and can react with other substances to form salts
  5. How chemical interact to form new ones with different compositions
  6. How much volume and object takes in relation to it's mass
  7. A chemical substance that can neutralize an acid by absorbing a hydrogen ion
  8. Something that can be easily ignited or burned quickly
  9. A compound made up of two or more chemicals that aren't chemically linked
  10. The substance that is present at the end of a chemical reaction
  11. A substance that is incapable of dissolving
Down
  1. The conversion of matter from one state to another
  2. A substance that can be dissolved
  3. A substance that takes part in and undergoes change during a reaction
  4. The principle that matter cannot be created or destroyed during a physical or chemical change
  5. A pure substance that is made from a single type of atom
  6. The ability to be dissolved
  7. A property of a liquid that describes how fast or slow it will flow

18 Clues: The ability to be dissolved • A substance that can be dissolved • A substance that is incapable of dissolving • The conversion of matter from one state to another • Something that can be easily ignited or burned quickly • A pure substance that is made from a single type of atom • How much volume and object takes in relation to it's mass • ...

hozie is the shis 2016-06-07

hozie is the shis crossword puzzle
Across
  1. charge equal in magnitude to that of an electron, but of opposite sign.
  2. A chemical reaction that absorbs heat
  3. Earth metals group 2 elements in the periodic table their reactivity is not as strong as alkali metals
  4. Oxygens Chemical symbol
  5. Hydrogens symbol
  6. The basic unit of a chemical element
  7. A substance that is made up of one kind of matter, which has a unique set of properties
  8. A combo of elements
  9. A change when a new substance is made
  10. A reaction where all the products will remain and be accounted for
  11. Mass of one element calculated from the total number of protons and neutrons
Down
  1. A subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen.
  2. A stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids.
  3. Number of protons in the nucleus of one atom of an element
  4. A change in appearance
  5. A chemical reaction that releases heat
  6. a element that has both metallic and nonmetallic properties
  7. the most reactive of all elements
  8. A reaction where some of the products can be lost
  9. metals Group 1 elements in the periodic table not including hydrogen most reactive
  10. a substance that helps a chemical reaction to proceed more quickly
  11. Hydrogens Chemical symbol
  12. Group 18 elements in the periodic table
  13. The positively charged central core of an atom, consisting of protons and neutrons and containing nearly all its mass.
  14. Water's chemical formula

25 Clues: Hydrogens symbol • A combo of elements • A change in appearance • Oxygens Chemical symbol • Water's chemical formula • Hydrogens Chemical symbol • the most reactive of all elements • The basic unit of a chemical element • A chemical reaction that absorbs heat • A change when a new substance is made • A chemical reaction that releases heat • Group 18 elements in the periodic table • ...

Redox Reaction 2020-07-01

Redox Reaction crossword puzzle
Across
  1. Site at which oxidation or reduction; an anode or cathode.
  2. Cell that requires a nonspontaneous chemical reaction to occur (uses battery).
  3. Part of a voltaic cell that connects two containers and allows flow of ions.
  4. An oxidation-reduction reaction.
  5. Gain electron.
  6. The positively charged electrode of an electrical device.
  7. A process in which an electric current forces a nonspontaneous reaction to occur.
  8. Is the slow addition of one solution of a known concentration (called a titrant) to a known volume of another
  9. A substance that tends to bring about oxidation by being reduced and gaining electrons.
  10. The negatively charged electrode of an electrical device.
Down
  1. System in which there's an electric current flowing while a chemical reaction occurs.
  2. Number assigned to keep track of electron gain or loss in redox reactions.
  3. Electrochemical cell in which a spontaneous chemical reaction causes a flow of electrons
  4. Reaction that shows either the oxidation or reduction portion of a redox reaction.
  5. of unknown concentration until the reaction reaches neutralization, which is often indicated by a color change
  6. A substance that tends to bring about reduction by being oxidized and losing electrons.
  7. The loss of electron.

17 Clues: Gain electron. • The loss of electron. • An oxidation-reduction reaction. • The positively charged electrode of an electrical device. • The negatively charged electrode of an electrical device. • Site at which oxidation or reduction; an anode or cathode. • Number assigned to keep track of electron gain or loss in redox reactions. • ...

Redox Reaction 2020-07-01

Redox Reaction crossword puzzle
Across
  1. Electrochemical cell in which a spontaneous chemical reaction causes a flow of electrons
  2. A cell that requires a nonspontaneous chemical reaction to occur (uses battery).
  3. A substance that tends to bring about reduction by being oxidized and losing electrons.
  4. Reaction that shows either the oxidation or reduction portion of a redox reaction.
  5. The positively charged electrode of an electrical device.
  6. The gain of electron.
  7. Is the slow addition of one solution of a known concentration (called a titrant) to a known volume of another
  8. A substance that tends to bring about oxidation by being reduced and gaining electrons.
  9. of unknown concentration until the reaction reaches neutralization, which is often indicated by a color change
Down
  1. Number assigned to keep track of electron gain or loss in redox reactions.
  2. A system in which there's an electric current flowing while a chemical reaction occurs.
  3. Site at which oxidation or reduction; an anode or cathode.
  4. The loss of electron.
  5. Part of a voltaic cell that connects two containers and allows flow of ions.
  6. The negatively charged electrode of an electrical device.
  7. A process in which an electric current forces a nonspontaneous reaction to occur.
  8. An oxidation-reduction reaction.

17 Clues: The loss of electron. • The gain of electron. • An oxidation-reduction reaction. • The positively charged electrode of an electrical device. • The negatively charged electrode of an electrical device. • Site at which oxidation or reduction; an anode or cathode. • Number assigned to keep track of electron gain or loss in redox reactions. • ...

Chemistry Crossword 2015-11-19

Chemistry Crossword crossword puzzle
Across
  1. pure substance that cannot be broken down into other substances
  2. element that has both metallic and nonmetallic properties
  3. chemical combination of two or more elements in a specific ratio
  4. chemical reaction that absorbs energy
  5. change of state from a gas to liquid
  6. positively charged particle in the nucleus of an atom
  7. chemical reaction that releases energy
  8. homogeneous mixture
  9. slow chemical change that occurs when oxygen in the air reacts with a metal
  10. change of state from a solid to a liquid
  11. group of atoms joined by covalent bonds
  12. A system of easy-to-see warning symbols on hazardous materials
  13. anything that has mass and occupies space
  14. shiny, malleable, ductile element that conducts electricity
Down
  1. substance that helps a chemical reaction to proceed more quickly
  2. neutral particle in the nucleus of an atom
  3. ability of a substance to conduct electricity or heat
  4. change of state from a gas to a solid
  5. group 17 elements in the periodic table; the most reactive nonmetals
  6. chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
  7. change of state from a liquid to gas
  8. change of state from a solid to a gas or gas to a solid
  9. dull, brittle element that does not conduct electricity
  10. horizontal row of elements in the periodic table
  11. organic catalyst involved in chemical reactions in living things

25 Clues: homogeneous mixture • change of state from a gas to liquid • change of state from a liquid to gas • chemical reaction that absorbs energy • change of state from a gas to a solid • chemical reaction that releases energy • group of atoms joined by covalent bonds • change of state from a solid to a liquid • anything that has mass and occupies space • ...

Stoichiomic Shrimp and Grits 2023-05-15

Stoichiomic Shrimp and Grits crossword puzzle
Across
  1. maximum possible amount of product that can be produced from the chemical reaction of a given amount of reactant
  2. shows which elements are in the compound and the actual number of each
  3. refers to the number of atoms, particles, or molecules in one mole
  4. the ingredients in a chemical reaction;the substances on the left side of the arrow in a chemical equation
  5. the number to the left of a substance in a chemical
  6. the substances being made in chemical reaction; the substances on the right side of the arrow in a chemical equation.
  7. a small unit of measurement
Down
  1. process of using a balanced equation to determine the relative masses reactants and products involved the reaction
  2. ratio of moles of one substance to another
  3. reactant that is not used up when a reaction is run to completion
  4. used up when the reaction is run to completion
  5. a chemical reaction that has the same number of atoms of each element on both sides of it; even if they are arranged differently on each side
  6. compares the actual and theoretical yield
  7. the number of grams in one mole of substance. It is calculated by adding up the atomic masses of all elements in the compound.The units are always g/1 mol.

14 Clues: a small unit of measurement • compares the actual and theoretical yield • ratio of moles of one substance to another • used up when the reaction is run to completion • the number to the left of a substance in a chemical • reactant that is not used up when a reaction is run to completion • refers to the number of atoms, particles, or molecules in one mole • ...

Chapter 5 2022-05-04

Chapter 5 crossword puzzle
Across
  1. reaction the energy released as products form is greater than the energy required to break bonds of the reactants
  2. of Conservation of Mass matter is not created or destroyed
  3. Change any change that alters the form or appearance of a substance but doesn’t change into another substance
  4. when one element replaces another in a compound or if 2 elements in different compounds trade places
  5. energy the minimum amount of energy required to start a chemical equation
  6. reaction a way to show a chemical reaction, using symbols instead of words
  7. biological catalysts that help reactions occur at body temperature
  8. a material used to decrease the rate of a chemical reaction
  9. the new substances that form
  10. a solid that forms from liquids during a chemical reaction
Down
  1. increases the reaction rate by lowering the activation energy needed
  2. substances that undergo the chemical changes
  3. reaction more energy is required to break bonds of the reactants than is released by the formation of the products.
  4. Change a change in matter that produces one or more new substances
  5. when 2 or more elements or compounds combine to make a more complex substance
  6. the amount of a substance in a given volume
  7. occurs when compounds break down into similar products
  8. a number placed in front of a chemical formula in an equation

18 Clues: the new substances that form • the amount of a substance in a given volume • substances that undergo the chemical changes • occurs when compounds break down into similar products • of Conservation of Mass matter is not created or destroyed • a solid that forms from liquids during a chemical reaction • a material used to decrease the rate of a chemical reaction • ...

Science Chemical Crossword 2014-11-06

Science Chemical Crossword crossword puzzle
Across
  1. Combination of two or more elements
  2. When a metal can be pounded into sheets, it is _________
  3. A type of compound when a metal and non-metal combine
  4. A cloudy mixture in which substances are held within another, cannot be separated
  5. A type of change in which the appearance or state changes
  6. A cloudy mixture in which substances are held within another, can be separated
  7. Reacts with another substance to create new substances
  8. Change of state from a liquid to a solid
  9. Refers to the three common states in which matter exists; solid, liquid, gas
  10. Change of state from a gas to a liquid
  11. A compound in which two non-metals combine
  12. Change of state from a solid to a liquid
  13. A change in which two or more substances react to create a new substance
Down
  1. In between metal and non-metals
  2. A fast chemical reaction involving oxygen to form a new substance and also gives off energy
  3. When a metal can be stretched into a wire, it is _______
  4. The fourth state of matter
  5. Change of state from a solid to a gas
  6. Change of state from a liquid to a gas
  7. A slow chemical reaction in which oxygen reacts with metal
  8. The substance formed in a chemical reaction
  9. Chemical reaction which absorbs energy (cold)
  10. Chemical reaction which releases energy (heat)
  11. Part of the nucleus in an atom, no charges
  12. A pure substance, cannot be broken down, made of only one type of atom

25 Clues: The fourth state of matter • In between metal and non-metals • Combination of two or more elements • Change of state from a solid to a gas • Change of state from a liquid to a gas • Change of state from a gas to a liquid • Change of state from a liquid to a solid • Change of state from a solid to a liquid • A compound in which two non-metals combine • ...

Chemistry :D 2015-11-13

Chemistry :D crossword puzzle
Across
  1. change that results when two or more substances react to create new substance(s)
  2. pure substance that cannot be broken down into other substances
  3. energy stored in chemicals and released when chemicals react
  4. ability of a substance to be able to conduct electricity
  5. description of how a substance interacts with other substances , such as acids
  6. catalyst involved in chemical reactions in living things
  7. chemical combination of two or more elements in a specific ratio
  8. group 17 on the periodic table
  9. energy of charged particles
  10. the smallest part of an element that is representative of that element
  11. colourless, odourless, poisonous gas
  12. group 1 elements on the periodic table; the most reactive elements
  13. number of protons in the nucleus of one atom of an element
  14. invisible negatively charged particle that orbits the nucleus of an atom
  15. change of state from a gas to a solid
Down
  1. a reaction that takes place when two or more substances react to form new substances
  2. orbit of electrons around the nucleus of an atom
  3. principle that matter is not created or destroyed in a chemical reaction
  4. substance that helps a chemical reaction to proceed more quickly
  5. combination of symbols that represent a compound
  6. measure of atomic mass
  7. an experiment in which all reactants and all products of a chemical reaction are accounted for
  8. mass of one atom of an element
  9. chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
  10. description of a solid that can be stretched into a long wire

25 Clues: measure of atomic mass • energy of charged particles • group 17 on the periodic table • mass of one atom of an element • colourless, odourless, poisonous gas • change of state from a gas to a solid • orbit of electrons around the nucleus of an atom • combination of symbols that represent a compound • ability of a substance to be able to conduct electricity • ...

reactions 2019-12-03

reactions crossword puzzle
Across
  1. Reaction that occurs when particles collide.
  2. Bond can do this when they take in energy.
  3. Substances produced in a chemical reaction.
  4. Type of reaction used in hand-warmers.
  5. Reaction that decreases the temperature of surroundings.
  6. Burning.
Down
  1. Substances taking part in a chemical reaction
  2. Profile that is an energy level diagram.
  3. Changes in this can indicate type of change.
  4. Minimum energy needed for particles to react.
  5. Reaction that brings pH to 7.
  6. Hold particles together in a substance.

12 Clues: Burning. • Reaction that brings pH to 7. • Type of reaction used in hand-warmers. • Hold particles together in a substance. • Profile that is an energy level diagram. • Bond can do this when they take in energy. • Substances produced in a chemical reaction. • Changes in this can indicate type of change. • Reaction that occurs when particles collide. • ...

Chemical Reactions 2024-05-24

Chemical Reactions crossword puzzle
Across
  1. A change that is not reversible
  2. A substance that is made by a reaction
  3. ____________ of mass, mass of reactants is equal to mass of products
  4. A change that is reversible
  5. Where a compound breaks down into two or more products
  6. A way of showing a reaction using chemical symbols
  7. A reaction that transfers energy from the surroundings
  8. The equation is ________ if both sides have the same number of atoms
Down
  1. A burning reaction that gives off light and heat when a substance reacts with oxygen
  2. A reaction that transfers energy to the surroundings
  3. The starting substances in a reaction
  4. In a chemical ______ atoms rearrange and form new substances
  5. A material that burns to transfer energy
  6. A reaction where a substance reacts with oxygen

14 Clues: A change that is reversible • A change that is not reversible • The starting substances in a reaction • A substance that is made by a reaction • A material that burns to transfer energy • A reaction where a substance reacts with oxygen • A way of showing a reaction using chemical symbols • A reaction that transfers energy to the surroundings • ...

Terms covered 2021-09-08

Terms covered crossword puzzle
Across
  1. 6.022140 x 10^(23)
  2. a chemical reaction that results in the exchange of bonds between two reacting chemical species
  3. anything that has volume and mass
  4. the smallest unit of matter
  5. what gets dissolved in a solvent
  6. a positively charged particle inside a nucleus the region inside an atom that contains protons & neutrons
  7. amount of substances in avogardo's number
  8. a.m.u
  9. the action of purifying a liquid by a process of heating and cooling
  10. the neutrally charged particle inside an atoms nuclei
  11. a machine with a rapidly rotating container that applies centrifugal force to its contents, typically to separate fluids of different densities
  12. a chemical reaction that results in the breaking down of a substance
  13. a combination of molecules in a simple ratio
Down
  1. a substance that cannot be further divided
  2. a chemical reaction that results in the creation of a new substance
  3. a chemical reaction that results in
  4. what dissolves a solute
  5. a substance made up of only 1 kind of atom
  6. a particle with a charge of negative electricity found in atoms that acts as the primary carrier of electricity in solids.
  7. a combination of solvent & solute
  8. a mixture that maintains uniform composition throughout
  9. a group of atoms stuck together through chemical bonds
  10. the process of something breaking down
  11. a process that leads to the chemical transformation of one set of chemical substances to another
  12. a mixture that doesn't mantain uniform composition throughout
  13. 2 or more substances that are not chemically bonded

26 Clues: a.m.u • 6.022140 x 10^(23) • what dissolves a solute • the smallest unit of matter • what gets dissolved in a solvent • a combination of solvent & solute • anything that has volume and mass • a chemical reaction that results in • the process of something breaking down • amount of substances in avogardo's number • a substance that cannot be further divided • ...

Unit 2 Chemistry Vocab 2021-10-04

Unit 2 Chemistry Vocab crossword puzzle
Across
  1. a reaction that absorbs energy
  2. a reaction that releases energy
  3. elements or compounds that enter into a chemical reaction
  4. the center of an atom
  5. pure substance that has one type of atom
  6. particle found in the nucleus with no charge
  7. substance that speeds up the rate of a chemical reaction
  8. subunit made up of 5-carbon sugar
  9. macromolecule made up of amino acids
  10. compound with amino group on one end and a carboxyl group on the other end
  11. substance formed as a result of a chemical reaction
  12. compound made of carbon, hydrogen, and oxygen atoms
  13. positively charged particle found in the nucleus of an atom
  14. molecules composed of many monomers
  15. A negitive charged particle that orbits the nucleus
Down
  1. reactant of an enzyme-catalyst reaction
  2. the number of protons and electrons in an atom nucleus
  3. energy that is needed to get a reaction started
  4. equal to the number of protons and electrons
  5. type of bond between atoms
  6. an electron that is on the outer side of an atom
  7. a letter abbreviation of an element
  8. macromolecule made up of carbon and hydrogen and contains fats
  9. A large organic molecule
  10. macromolecule that has hydrogen, oxygen, nitrogen,and carbon
  11. the basic unit of matter
  12. biological catalyst
  13. a combination of 2 or more elements connected by bonds

28 Clues: biological catalyst • the center of an atom • A large organic molecule • the basic unit of matter • type of bond between atoms • a reaction that absorbs energy • a reaction that releases energy • subunit made up of 5-carbon sugar • a letter abbreviation of an element • molecules composed of many monomers • macromolecule made up of amino acids • ...

Chemistry Crossword 2021-10-04

Chemistry Crossword crossword puzzle
Across
  1. substances present after a chemical reaction
  2. I have no charge.
  3. It is created when two or more of the smallest particles bond.
  4. small number appearing after a chemical symbol
  5. Highly reactive, soft, and brittle
  6. Good conductors of heat and electricity
  7. H, Fe, Li
Down
  1. number appearing before a chemical formula
  2. a chemical reaction in which products can escape, resulting in a lower mass
  3. I have characteristics of metals and nonmetals.
  4. a chemical reaction in which energy is released
  5. What takes up all space?
  6. matter is never or destroyed
  7. where bonding takes place
  8. A table, a chair, and a computer are all...

15 Clues: H, Fe, Li • I have no charge. • What takes up all space? • where bonding takes place • matter is never or destroyed • Highly reactive, soft, and brittle • Good conductors of heat and electricity • number appearing before a chemical formula • A table, a chair, and a computer are all... • substances present after a chemical reaction • ...

Alex S. Crossword 2024-05-15

Alex S. Crossword crossword puzzle
Across
  1. Characteristic of objects in a chemical reaction
  2. Change that affects compisition
  3. Amount of space token by a object
  4. Smallest unit of a element
  5. Ability to do work
  6. Large body with no definite shape
  7. Characteristic of objects in a physical reaction
  8. Average kinetic energy
  9. Substance formed in a chemical reaction
  10. Ability for molecules to stick together
Down
  1. Two or more atoms joined together
  2. Change that does not affect compisition
  3. Absorbs heat
  4. has mass and volume
  5. Study of change in matter
  6. Releases heat
  7. Substance that cannot be broke down
  8. Substances present before reaction

18 Clues: Absorbs heat • Releases heat • Ability to do work • has mass and volume • Average kinetic energy • Study of change in matter • Smallest unit of a element • Change that affects compisition • Two or more atoms joined together • Amount of space token by a object • Large body with no definite shape • Substances present before reaction • Substance that cannot be broke down • ...

Chapter 5 2022-05-04

Chapter 5 crossword puzzle
Across
  1. occurs when compounds break down into similar products
  2. biological catalysts that help reactions occur at body temperature
  3. energy the minimum amount of energy required to start a chemical equation
  4. Change a change in matter that produces one or more new substances
  5. the new substances that form
  6. reaction more energy is required to break bonds of the reactants than is released by the formation of the products.
  7. reaction a way to show a chemical reaction, using symbols instead of words
  8. substances that undergo the chemical changes
Down
  1. increases the reaction rate by lowering the activation energy needed
  2. reaction the energy released as products form is greater than the energy required to break bonds of the reactants
  3. when one element replaces another in a compound or if 2 elements in different compounds trade places
  4. the amount of a substance in a given volume
  5. when 2 or more elements or compounds combine to make a more complex substance
  6. a material used to decrease the rate of a chemical reaction
  7. Change any change that alters the form or appearance of a substance but doesn’t change into another substance
  8. a number placed in front of a chemical formula in an equation
  9. a solid that forms from liquids during a chemical reaction
  10. of Conservation of Mass matter is not created or destroyed

18 Clues: the new substances that form • the amount of a substance in a given volume • substances that undergo the chemical changes • occurs when compounds break down into similar products • a solid that forms from liquids during a chemical reaction • of Conservation of Mass matter is not created or destroyed • a material used to decrease the rate of a chemical reaction • ...

Factors Affecting The Rates of Reactions 2021-11-09

Factors Affecting The Rates of Reactions crossword puzzle
Across
  1. a substance that takes part in and undergoes change during a reaction.
  2. accompanied by the release of heat.
  3. a process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form or a nuclear reaction.
  4. a constant term related to the properties of a product.
  5. the conversion of reactants to products and the conversion of products to reactants occur simultaneously.
  6. accompanied by or requiring the absorption of heat.
Down
  1. an arrow that is placed after the reactant or reactants. and points in the direction of the products
  2. reactants is increased, there are more reactant particles moving together. There will be more collisions and so the reaction rate is increased.
  3. represents a chemical reaction using the names of the substances involved.
  4. speed up a reaction by reducing the activation energy or changing the reaction mechanism.
  5. the rate of reaction will decrease with a decrease
  6. represents the reactants and products of a chemical reaction by their symbols or formulas.
  7. cause (a substance) to be deposited in solid form from a solution.
  8. the speed at which a chemical reaction proceeds.
  9. the species formed from chemical reactions.

15 Clues: accompanied by the release of heat. • the species formed from chemical reactions. • the speed at which a chemical reaction proceeds. • the rate of reaction will decrease with a decrease • accompanied by or requiring the absorption of heat. • a constant term related to the properties of a product. • cause (a substance) to be deposited in solid form from a solution. • ...

Chemical Reaction Vocabulary 2022-03-25

Chemical Reaction Vocabulary crossword puzzle
Across
  1. -chemical reaction in which one element is substituted for another element in a compound
  2. -participates in a chemical reaction and is on the left side of the equation
  3. -chemical equation that only includes the dissociated ions that participate in the reaction, does not include spectator ions
  4. -chemical reaction in which a single compound is broken down into two or more simpler products
  5. -describes the chemical reaction using chemical formulas and other symbols
Down
  1. -chemical reaction that occurs when parts of two ionic compounds are exchanged, making two new compounds
  2. -chemical reaction when hydrocarbon burns in the presence of oxygen to create carbon dioxide and water vapor
  3. -formed during the chemical reaction and is on the right side of the equation
  4. -chemical reaction between acid and a base react to form water and a salt
  5. -chemical reaction in which two or more substances react to yield a single product

10 Clues: -chemical reaction between acid and a base react to form water and a salt • -describes the chemical reaction using chemical formulas and other symbols • -participates in a chemical reaction and is on the left side of the equation • -formed during the chemical reaction and is on the right side of the equation • ...

Year 9 Chemistry Key Words Revision 2022-05-08

Year 9 Chemistry Key Words Revision crossword puzzle
Across
  1. A nuclear reaction that converts one type of atom into a different type of atom
  2. A small, negatively charged particle
  3. The breakdown of metals due to their reaction with other chemicals
  4. Different forms of an atom that have the same number of protons, but a different number of neutrons
  5. A way of writing down the reactants being used and the products being made in a chemical reaction
  6. A particle with no electric charge found in the nucleus of an atom
  7. A positively charged particle found in the nucleus of an atom
  8. An atom that has gained electrons to become negatively charged
  9. A chemical reaction that absorbs energy
  10. An atom that has lost electrons to become positively charged
  11. A particle made up of 2 protons and 2 neutrons that can be released during nuclear decay
  12. OH-, released by bases
  13. A base that dissolves in water
  14. A small, negatively particle that can be released during nuclear decay
  15. Something that emits radiation
  16. When a nucleus undergoes a reaction and emits radiation
Down
  1. H+, released by acids
  2. A substance that releases hydrogen ions into an aqueous solution
  3. The arrangement of electrons in shells around the nucleus
  4. The particles that atoms are made of
  5. The green chemical found in plants that traps sunlight for photosynthesis
  6. A chemical reaction that releases energy
  7. A cluster of protons and neutrons found in the centre of an atom
  8. A nuclear reaction in which a large nucleus is split into smaller nuclei
  9. A substance that releases hydroxide ions
  10. Endothermic reaction which occurs in plants using energy from the sun to produce glucose
  11. A nuclear reaction in which small nuclei come together to form a large nucleus
  12. A process that causes a nucleus to change
  13. The reaction of an acid with a base, forming salt and water
  14. A very high-energy electromagnetic wave produced when protons and neutrons rearrange

30 Clues: H+, released by acids • OH-, released by bases • A base that dissolves in water • Something that emits radiation • The particles that atoms are made of • A small, negatively charged particle • A chemical reaction that absorbs energy • A chemical reaction that releases energy • A substance that releases hydroxide ions • A process that causes a nucleus to change • ...

Crossword 2024-04-27

Crossword crossword puzzle
Across
  1. The enthalpy change that occurs when one mole of a compound is produced from its standard state constituents is known as the ________.
  2. Measure of thermal energy in a system per unit temperature that cannot be used to perform beneficial work.
  3. An ________ reaction is characterized by a negative ∆U.
  4. ________ is the study of the energy changes that accompany all processes, whether chemical or physical.
  5. Chemical and physical changes that occur with the absorption of energy are ________ processes.
  6. It is the total heat absorbed in a process at constant pressure if only pressure-volume work is done.
  7. Hormone that moves glucose from the blood stream into the cells.
  8. Energy required to raise the temperature of one gram of a substance by one degree Celsius is known as its heat capacity.
  9. The setup used to determine energy change during a reaction.
Down
  1. ________ rate is dependent on several factors, namely, nature of reactants, temperature, and concentration. Reaction
  2. Substances that change the rate of a reaction without causing permanent changes. catalyst
  3. A substance's constant volume heat capacity is sometimes referred to as its ______ heat capacity.
  4. Time required to decrease the reactant concentration to one-half of the initial value.
  5. A ________ equation is a statement of the chemical change and the energy change that accompanies the change.
  6. A polysaccharide that does not provide the body with energy or nutrients. Cellulose
  7. Increase in ________ increases reaction rates.
  8. Complex molecules made up of long chains of amino acids which are compounds of carbon, hydrogen, oxygen, and nitrogen.
  9. The study of energy changes that accompany chemical transformations in matter.
  10. The symbol w represents the ________ performed by the system or on the system.
  11. The change in enthalpy of the reaction is the heat of reaction at constant ________.

20 Clues: Increase in ________ increases reaction rates. • An ________ reaction is characterized by a negative ∆U. • The setup used to determine energy change during a reaction. • Hormone that moves glucose from the blood stream into the cells. • The study of energy changes that accompany chemical transformations in matter. • ...

Chemical Reactions 2022-11-18

Chemical Reactions crossword puzzle
Across
  1. explanation of things or events
  2. anything that takes up space and has mass
  3. substance that produces H ions in a water solution
  4. The new substance formed in a chemical reaction
  5. substance with atoms that are all alike
  6. the amount of matter in an object
Down
  1. a possible explanation for a problem
  2. substance that produces OH ions in a water solution
  3. The substance that reacts in a chemical reaction
  4. substance with atoms of 2 or more elements
  5. reaction that gives off heat
  6. a charged particle
  7. substance that speeds up a chemical reaction
  8. reaction that requires thermal energy input

14 Clues: a charged particle • reaction that gives off heat • explanation of things or events • the amount of matter in an object • a possible explanation for a problem • substance with atoms that are all alike • anything that takes up space and has mass • substance with atoms of 2 or more elements • reaction that requires thermal energy input • ...

Chemistry Vocab by Kaleigh Quick 2015-10-14

Chemistry Vocab by Kaleigh Quick crossword puzzle
Across
  1. Replacement Reaction a type of chemical reaction when an element or ion moves out of one compound and into another
  2. of Conservation of Matter a fundamental principle of classical physics that matter cannot be created or destroyed in an isolated system
  3. Reaction breakdown is the separation of a chemical compound into elements or simpler compounds
  4. Reaction involve the transfer of electrons between species
Down
  1. Reaction complex compounds from simpler compounds based on a knowledge of the reactants’ chemical structure and reactivity
  2. Ionic Equation Chemical equation for a reaction which only lists the species participating in the reaction
  3. the property of a solid, liquid, or gaseous chemical substance called solute to dissolve in a solid, liquid, or gas
  4. Solutions a solution in which the solvent is water
  5. Equilibrium The state of chemical reaction where the concentrations of reactants and products have no net change with time
  6. Replacement Reaction chemical reaction where two reactant ionic compounds exchange ions to form two new product compounds
  7. Reaction usually occurs when a hydrocarbon reacts with oxygen to produce carbon dioxide and water

11 Clues: Solutions a solution in which the solvent is water • Reaction involve the transfer of electrons between species • Reaction breakdown is the separation of a chemical compound into elements or simpler compounds • Reaction usually occurs when a hydrocarbon reacts with oxygen to produce carbon dioxide and water • ...

vocab science 2023-10-06

vocab science crossword puzzle
Across
  1. A blend of two or more kinds of matter and does not form a new substance
  2. A substance produced in a chemical reaction
  3. A group of atoms bonded together
  4. A number in front of a chemical formula in an equation that indicates how many molecules or atoms of each reactant and product are involved in a reaction
  5. The process by which one or more substances change to produce one or more different substances
  6. A chemical substance that is present at the start of a chemical reaction
  7. Mixture where the substances are not evenly mixed
  8. To produce
  9. The force that holds two atoms together
  10. The amount of matter in an object
Down
  1. A number in a chemical formula that tells the number of atoms in a molecule or the ratio of elements in a compound
  2. A sample of matter, either a single element or a single compound, that has definite chemical and physical properties
  3. A mixture with one or more substances is evenly mixed but not bonded together
  4. A substance that is dissolved in a solution
  5. A liquid substance capable of dissolving other substances
  6. Matter is not created nor destroyed in any chemical or physical change
  7. A representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products
  8. A natural or synthetic material that cannot be broken down into simpler materials
  9. A substance produced when elements combine and whose properties are different from each of the elements in it
  10. Two or more substances are evenly mixed but not bonded

20 Clues: To produce • A group of atoms bonded together • The amount of matter in an object • The force that holds two atoms together • A substance that is dissolved in a solution • A substance produced in a chemical reaction • Mixture where the substances are not evenly mixed • Two or more substances are evenly mixed but not bonded • ...

Chemistry Vocab Game! 2019-10-12

Chemistry Vocab Game! crossword puzzle
Across
  1. the substances produced by a chemical reaction.
  2. the energy which a system possesses because of movement within the system.
  3. the slowest step in a reaction mechanism.
  4. process of absorbing heat.
  5. molecules which are produced in one step of a reaction mechanism and subsequently used up in another step.
  6. the phenomenon that suitable particles of the reactant hit each other and cause any noticeable or significant chemical change.
  7. a chemical which can be added to a reaction to increase the rate of the reaction.
  8. a graph showing how the number of particles having a given kinetic energy changes with increasing temperature.
  9. arises to explain the precise temperature and pressure of the heat of reaction ΔH.
  10. the theory stating that molecules act as small, hard spheres which bounce off each other and transfer energy among themselves during their collisions.
  11. the speed at which reactants are converted into products.
  12. the substances being combined in a reaction.
Down
  1. the actual sequence of steps which make up an overall reaction.
  2. a balanced stoichiometric chemical equation that includes the enthalpy change.
  3. process of releasing heat.
  4. an intermediate molecule which occurs when reactants are in the process of rearranging to form products.
  5. the minimum potential energy required to change reactants into an activated complex.
  6. the energy existing as a result of an object's position in space, as well as the sum of all the attractive and repulsive forces existing among the particles which make up the object.
  7. the total kinetic and potential energy which exists in a system when it is at constant pressure.

19 Clues: process of releasing heat. • process of absorbing heat. • the slowest step in a reaction mechanism. • the substances being combined in a reaction. • the substances produced by a chemical reaction. • the speed at which reactants are converted into products. • the actual sequence of steps which make up an overall reaction. • ...

Cross Chemistry (Liam Lord) 2019-06-11

Cross Chemistry (Liam Lord) crossword puzzle
Across
  1. what is made from reactants
  2. A single element reacts with a compound and displaces another element from the compound
  3. lasting attraction between atoms ions or molecules
  4. One element replaces another in a single compound
  5. 2 or more substances combine to form a substance
  6. particles in it are free to flow, so while it has a definite volume, it does not have a definite shape it consists of atoms or molecules that are connected by intermolecular bonds. Is a state of matter
  7. a process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form or a nuclear reaction.
  8. the smallest component of an element, characterized by a sharing of the chemical properties of the element and a nucleus with neutrons, protons and electrons.
  9. representation of a chemical reaction
  10. A Negatively Charged Ion
  11. solution in which the solvent is water. It is mostly shown in chemical equations by appending (aq) to the relevant chemical formula
  12. equation for a chemical reaction in which the number of atoms for each element in the reaction and the total charge are the same for both the reactants and the products. In other words, the mass and the charge are balanced on both sides of the reaction.
  13. a atom or molecule this is a Ion with a positive Charge
  14. Everywhere everything is made of this
Down
  1. Chemical Formula for Water
  2. major class of chemical reactions, commonly referred to as "burning.
  3. the emission of energy as a electromagnetic wave
  4. The numbers in front of the formula
  5. 2 compounds react and the ions of the 2 reactants switch place forming 2 new compounds
  6. tend to be packed together much closer than the particles in a gas or liquid. Is a state of matter
  7. A way of using the formulas to indicate the chemicals that were involved in the reaction
  8. React with other reactants to make products
  9. radioactive decay from atomic nuclei, Strongest Radiation type
  10. substance formed when two or more chemical elements are chemically bonded together.
  11. On periodic table

25 Clues: On periodic table • A Negatively Charged Ion • Chemical Formula for Water • what is made from reactants • The numbers in front of the formula • representation of a chemical reaction • Everywhere everything is made of this • React with other reactants to make products • the emission of energy as a electromagnetic wave • 2 or more substances combine to form a substance • ...

Chem 2 2022-01-20

Chem 2 crossword puzzle
Across
  1. this is the mass of one mole of a compound
  2. the actual yield divided by the theoretical yield times 100, The ratio of the actual yield to the theoretical yield, multiplied by 100
  3. a quantity of a substance that contains Avagadro's number of items
  4. a conversion factor that relates the amounts in moles of any two substances involved in a chemical reaction
  5. the weighted average of the masses of all naturally occurring isotopes of an element
  6. one in which an element reacts by replacing another element in a compound
  7. one in which two substances chemically combine to form a third
  8. the study of the quantities of materials consumed and produced in chemical reactions.
  9. the reactant that is used up when a reaction goes to completion
  10. one in which two compounds exchange parts to form two new compounds.
  11. one in which a single compound breaks up into two or more other substances
Down
  1. this is the symbolic representations of a chemical reaction where the number of atoms of each element is on the left of the arrow is equal to the number of stoms of each element on the right side
  2. an instrument used to determine the relative masses of atoms by the deflection of their ions on a magnetic field
  3. the calculated maximum mass of a product that can be obtained from the given amounts of reactants
  4. this is the actual formula of each element in a compound
  5. one that contains the relative amounts of reactants that match the number in the balanced equation
  6. chemical substances involved at the start of a chemical reaction
  7. this is a ratio elements in a compound using the smallest whole numbers
  8. a representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products
  9. chemical substances that result from a chemical reaction
  10. this refers to the number of grams of a given element in 100g of a compound
  11. the number of atoms in exaclty 12g of carbon-12. Rounded to four figures 6.022 x 10 23

22 Clues: this is the mass of one mole of a compound • this is the actual formula of each element in a compound • chemical substances that result from a chemical reaction • one in which two substances chemically combine to form a third • the reactant that is used up when a reaction goes to completion • chemical substances involved at the start of a chemical reaction • ...

Science on The Mainstage 2024-12-03

Science on The Mainstage crossword puzzle
Across
  1. __________ can not be created or destroyed.
  2. the bath bomb was a _________ reaction because it created a gas and changed color
  3. ___________ are produced in a chemical reaction
  4. ________ change is when something smells different than before
  5. a chemical reaction is when one or more __________ substances change into one or more new substances
  6. The flurries investigation was a ___________ reaction because the flower absorbed the mineral oil
  7. __________ the chemicals being reacted in an equation.
  8. smallest unit of a chemical element
Down
  1. we can find the _______ of objects by dividing mass over volume.
  2. __________ pulls snow to the ground
  3. when bubbles are forming, this means a _____ is being released
  4. water _________ and rises to form clouds
  5. a solid formed from a chemical reaction is called a pr________.
  6. the temperature at which a substance melts from solid to liquid

14 Clues: __________ pulls snow to the ground • smallest unit of a chemical element • water _________ and rises to form clouds • __________ can not be created or destroyed. • ___________ are produced in a chemical reaction • __________ the chemicals being reacted in an equation. • when bubbles are forming, this means a _____ is being released • ...

Ada's crossword puzzle 2024-05-15

Ada's crossword puzzle crossword puzzle
Across
  1. Two or more atoms joined together
  2. a change in matter that does not affect its chemical composition
  3. Material that has mass and takes up some amount of space
  4. the transfer of thermal energy
  5. the amount of matter in an object
  6. an element or compound
  7. a process that changes substances into new substances
  8. A process that involves rearrangement of the molecular
  9. the substances present before a chemical reaction occurs
  10. a pure substance that is formed when two or more different elements combine
Down
  1. the substances that are formed during a chemical reaction
  2. the amount of space that an object occupies
  3. a measure of the average kinetic energy of the atoms in a system
  4. a characteristic of a substance that is measurable or observable during a chemical reaction
  5. a characteristic that can be observed
  6. The ability to do work or cause change; the ability to move an object some distance
  7. a pure substance that cannot be broken down into simpler substances by chemical reactions
  8. the smallest unit of an element that has the properties of that element

18 Clues: an element or compound • the transfer of thermal energy • Two or more atoms joined together • the amount of matter in an object • a characteristic that can be observed • the amount of space that an object occupies • a process that changes substances into new substances • A process that involves rearrangement of the molecular • ...

Mixtures and Solutions 2023-05-05

Mixtures and Solutions crossword puzzle
Across
  1. A result of a chemical reaction (gas or solid)
  2. The part of a solution that dissolves
  3. The only method to separate a solution (get rid of the water)
  4. A material that goes into a chemical reaction
  5. Indicate that a new gas has been formed during a chemical reaction
  6. The universal solvent
  7. 2 or more items/materials commingled together
  8. The chemical compound of chalk
  9. When a solution only has a little solute in it
  10. The part of a solution that causes another item to dissolve
  11. When a solution has a lot of solute in it
  12. A solution that is unable to dissolve any more solute
Down
  1. What we use to separate a mixture like powder water or chalk and water
  2. When you mix two or more materials together and a change occurs
  3. A solution that was able to dissolve more due to high pressure or temperature
  4. A new solid that is formed during a chemical reaction
  5. When you mix two or more items together and one of them dissolves
  6. When the temperature changes it is called an ______________ change

18 Clues: The universal solvent • The chemical compound of chalk • The part of a solution that dissolves • When a solution has a lot of solute in it • A material that goes into a chemical reaction • 2 or more items/materials commingled together • A result of a chemical reaction (gas or solid) • When a solution only has a little solute in it • ...

Redox Reaction 2020-07-01

Redox Reaction crossword puzzle
Across
  1. The negatively charged electrode of an electrical device.
  2. A system in which there's an electric current flowing while a chemical reaction occurs.
  3. Electrochemical cell in which a spontaneous chemical reaction causes a flow of electrons
  4. A substance that tends to bring about oxidation by being reduced and gaining electrons.
  5. of unknown concentration until the reaction reaches neutralization, which is often indicated by a color change
  6. Is the slow addition of one solution of a known concentration (called a titrant) to a known volume of another
  7. Reaction that shows either the oxidation or reduction portion of a redox reaction.
Down
  1. A substance that tends to bring about reduction by being oxidized and losing electrons.
  2. A cell that requires a nonspontaneous chemical reaction to occur (uses battery).
  3. A process in which an electric current forces a nonspontaneous reaction to occur.
  4. The loss of electron.
  5. The gain of electron.
  6. Number assigned to keep track of electron gain or loss in redox reactions.
  7. Site at which oxidation or reduction; an anode or cathode.
  8. An oxidation-reduction reaction.
  9. Part of a voltaic cell that connects two containers and allows flow of ions.
  10. The positively charged electrode of an electrical device.

17 Clues: The loss of electron. • The gain of electron. • An oxidation-reduction reaction. • The negatively charged electrode of an electrical device. • The positively charged electrode of an electrical device. • Site at which oxidation or reduction; an anode or cathode. • Number assigned to keep track of electron gain or loss in redox reactions. • ...

Collision Theory 2026-01-09

Collision Theory crossword puzzle
Across
  1. Collision that leads to a chemical reaction
  2. Ability to do work or cause change
  3. Process that results in a chemical change
  4. When particles strike each other
  5. Measure of the average kinetic energy of particles
Down
  1. How often particles collide
  2. Speed of a chemical reaction
  3. Energy of motion of particles
  4. Substance that speeds up a reaction without being used up
  5. Small unit of matter involved in reactions
  6. Biological catalyst
  7. Minimum energy needed for a reaction to occur
  8. Proper alignment of reacting particles

13 Clues: Biological catalyst • How often particles collide • Speed of a chemical reaction • Energy of motion of particles • When particles strike each other • Ability to do work or cause change • Proper alignment of reacting particles • Process that results in a chemical change • Small unit of matter involved in reactions • Collision that leads to a chemical reaction • ...

Jakie Jake - Chemical Change 2022-03-18

Jakie Jake - Chemical Change crossword puzzle
Across
  1. - A reaction in which energy is absorbed
  2. - A material that increases the rate of a reaction by lowing the activation rate
  3. - Breaks down compounds into simpler products
  4. - A reaction that releases energy in the form of heat
  5. - Anything that has mass and takes up space
  6. - The study of matter and how matter changes
  7. - In chemistry, when two or more elements or compounds combine to make a more complex substance.
  8. - Characteristic of a substance that describes it ability to change into other substances
  9. - A material that releases energy when it burns
  10. - When one element replaces another in a compound, or when two elements in different compounds trade places
  11. - The minimum amount of energy needed to start a chemical reaction
Down
  1. - Any change that alters the form or appearance of a substance but that does not make the substance into another substance
  2. - Characteristic of a substance that can be observed without changing the substance into another substance
  3. - A material used to decrease the rate of a reaction
  4. - Matter is not allowed to enter or leave
  5. - Easy way to show a chemical reaction, using symbols instead of words
  6. - The cells in your body (as in all living things) contain biological catalyst
  7. - A solid that forms from solution during a chemical reaction
  8. - A principle by the French chemist Antoine Lavoisier in 1774
  9. - A change in matter that produces one or more new substances.
  10. - Matter can enter from or escape to the surroundings.
  11. - rapid reaction between oxygen and a substance called a fuel
  12. - A number placed in front of a chemical formula in an equation
  13. - The amount of a substance in a given volume

24 Clues: - A reaction in which energy is absorbed • - Matter is not allowed to enter or leave • - Anything that has mass and takes up space • - The study of matter and how matter changes • - Breaks down compounds into simpler products • - The amount of a substance in a given volume • - A material that releases energy when it burns • ...

Science Chapters 2.3, 3.2, 3.3 Isabelle and Georgia 2013-09-19

Science Chapters 2.3, 3.2, 3.3 Isabelle and Georgia crossword puzzle
Across
  1. GReen pigment found in plants
  2. A reaction that uses oxygen to release energy stored in glucose
  3. A Substance that realeases hydrogen ions into a aqueous soloution
  4. The most accurate indicator
  5. The term commonly used for sodium chloride
  6. A Base that dissolves in water
  7. A reaction of an acid annd a base,forming a salt and water
  8. Single celled orgainisms that live in water
  9. A substance that realeases hydrogen ions
Down
  1. Where Chlorophyll is found
  2. A simple sugar formed by phtosynthesis
  3. a reaction that takes place in green plants and uses energy from sunlight to combine water and carbon dioxide to produce glucose and oxygen
  4. A soloution made of a base/alkali and water
  5. A chemical that changes colour to show different pH levels
  6. Chemicals produced in a chemical reaction
  7. A common indicator that turns red in the pressence of an acid and blue in he pressence of a base
  8. Chemicals that take part in a chemical reaction
  9. Rain thast has acids dissolved into it
  10. A biological catalyst that speeds up a reaction
  11. Sink A term used to descibe materials that store carbon in there stuctures eg plants and animals

20 Clues: Where Chlorophyll is found • The most accurate indicator • GReen pigment found in plants • A Base that dissolves in water • A simple sugar formed by phtosynthesis • Rain thast has acids dissolved into it • A substance that realeases hydrogen ions • Chemicals produced in a chemical reaction • The term commonly used for sodium chloride • ...

C10 SK ACADEMY CHEM PUZZLE Ch1 By: Sonia Kumar 2021-04-21

C10 SK ACADEMY CHEM PUZZLE Ch1 By: Sonia Kumar crossword puzzle
Across
  1. A method of prevention from corrosion
  2. The colour of copper [II] oxide
  3. The process of coating zinc over iron
  4. The colour of Ferrous Sulphate Crystals
  5. Respiration is considered of this type
  6. In CuO + H2--> Cu + H2O, hydrogen is which agent
  7. Heat is absorbed in this reaction
  8. The cause of shiny finish on the walls is Calcium _______
  9. spoilage of metals due to atmospheric contents
  10. In this reaction more active element displaces less active element from its compound
  11. Unbalanced Chemical Equation
  12. The gas filled in chips packets to prevent from spoilage
Down
  1. The oxidation of oil and fats leading to spoilage
  2. Silver Sulphide coating makes silver
  3. In this reaction two or more reactants combine to form a single product
  4. In PbO + C--> Pb+ CO2,carbon is getting
  5. In double displacement reaction _____ of ions takes place.
  6. The solid settling down as the result of a chemical reaction
  7. The most reactive element of reactivity series
  8. Chemical Equations are balanced to satisfy this conservation law
  9. The colour of aqueous copper sulphate solution
  10. The colour of lead Iodide precipitate
  11. Aqueous solution of Quick _____ is used for white wash.
  12. The reaction in which oxidation and reduction take place simultaneously

24 Clues: Unbalanced Chemical Equation • The colour of copper [II] oxide • Heat is absorbed in this reaction • Silver Sulphide coating makes silver • A method of prevention from corrosion • The process of coating zinc over iron • The colour of lead Iodide precipitate • Respiration is considered of this type • In PbO + C--> Pb+ CO2,carbon is getting • ...

chemistry crossword 2022-04-03

chemistry crossword crossword puzzle
Across
  1. Grid like structures of atoms
  2. A mixture of a metal with other metals or non-metals
  3. chemical reaction where substance burns in oxygen to produce light and heat
  4. End result in a chemical reaction
  5. The substance found in plant leaves that makes it green
  6. Starting substance in chemical reaction
  7. Made up of one type of atom
  8. A mixture where the substances are mixed
  9. An allow of iron and carbon
  10. A substance that dissolves another substance
Down
  1. A solid formed during a chemical change
  2. Smallest particle of matter
  3. Solid to Liquid
  4. Liquid to gas
  5. The substance being dissolved
  6. Able to be hammered or bent into new shapes
  7. When a metal reacts with chemicals in its environment
  8. An alloy of copper and tin
  9. A form of sugar that is produced through photosynthesis

19 Clues: Liquid to gas • Solid to Liquid • An alloy of copper and tin • Smallest particle of matter • Made up of one type of atom • An allow of iron and carbon • Grid like structures of atoms • The substance being dissolved • End result in a chemical reaction • A solid formed during a chemical change • Starting substance in chemical reaction • A mixture where the substances are mixed • ...

Science 2025-04-28

Science crossword puzzle
Across
  1. CO2
  2. Glucose to ATP Process
  3. Results of Chemical Reaction
  4. Convert Light Into Chemical Energy By Photosynthesis Process
  5. Starting Materials for Chemical Reaction
  6. C6H12O6
  7. Outputs
Down
  1. Cellular Respiration Happens Here
  2. H20
  3. Inputs
  4. Energy
  5. Sunlight
  6. O2
  7. Photosynthesis Happens Here

14 Clues: O2 • H20 • CO2 • Inputs • Energy • C6H12O6 • Outputs • Sunlight • Glucose to ATP Process • Photosynthesis Happens Here • Results of Chemical Reaction • Cellular Respiration Happens Here • Starting Materials for Chemical Reaction • Convert Light Into Chemical Energy By Photosynthesis Process

Macromolecules 2024-10-22

Macromolecules crossword puzzle
Across
  1. A very large organic molecule composed of many smaller molecules; carbohydrates, lipids, proteins, nucleic acids
  2. A substance produced in a chemical reaction
  3. Energy-rich organic compounds, such as fats, oils, and waxes, that are used as long term energy and are the main component of cell membranes
  4. A subunit whose molecules can join together to form polymers
  5. Nucleic acid monomer
  6. A type of protein that speeds up a chemical reaction in a living thing
  7. substance that speeds up the rate of a chemical reaction
  8. The region of an enzyme that attaches to a substrate
  9. A specific reactant acted upon by an enzyme
  10. Lipid monomer
Down
  1. Carbohydrate polymer
  2. DNA and RNA
  3. A long molecule consisting of many similar or identical monomers linked together.
  4. Macromolecules that make up most of the bodies structure and perform most of its functions
  5. Carbohydrate monomer
  6. A chemical substance that is present at the start of a chemical reaction
  7. the starches and sugars present in foods; broken down to glucose to provide energy
  8. Protein monomer

18 Clues: DNA and RNA • Lipid monomer • Protein monomer • Carbohydrate polymer • Carbohydrate monomer • Nucleic acid monomer • A substance produced in a chemical reaction • A specific reactant acted upon by an enzyme • The region of an enzyme that attaches to a substrate • substance that speeds up the rate of a chemical reaction • ...

Unit 4 Vocabulary 2024-03-26

Unit 4 Vocabulary crossword puzzle
Across
  1. chemical reaction where two reactant ionic compounds exchange ions to form two new product compounds with the same ions
  2. a formula giving the number of atoms of each of the elements present in one molecule of a specific compound
  3. firm and stable in shape; not liquid or fluid
  4. reaction in which a compound breaks down into two or more simpler substances
  5. a substance that takes part in and undergoes change during a reaction
  6. conceptual structure or entity on which something draws or depends
  7. chemical reaction in which one element replaces another in a compound
  8. in a chemical reaction mass is neither created nor destroyed
  9. the mass in grams of one mole of a substance
  10. tells you by mass what percent of each element is present in a compound
  11. a multiplier or factor that measures some property
Down
  1. a formula giving the proportions of the elements present in a compound but not the actual numbers or arrangement of atoms
  2. a chemical reaction between substances, usually including oxygen and usually accompanied by the generation of heat and light in the form of flame
  3. a reaction of an acid and a base that results in an ionic compound
  4. an article or substance that is manufactured or refined for sale
  5. chemical process in which two or more simple elements or compounds combine to form a more complex product
  6. figure expressing the acidity or alkalinity of a solution on a logarithmic scale on which 7 is neutral
  7. distinguishing symbol (such as a letter or numeral) written immediately below or below and to the right or left of another character.
  8. a molecule or other entity that can donate a proton or accept an electron pair in reactions.

19 Clues: the mass in grams of one mole of a substance • firm and stable in shape; not liquid or fluid • a multiplier or factor that measures some property • in a chemical reaction mass is neither created nor destroyed • an article or substance that is manufactured or refined for sale • a reaction of an acid and a base that results in an ionic compound • ...

Chemical Reactions 2025-10-23

Chemical Reactions crossword puzzle
Across
  1. the result of the chemical reaction
  2. the written form of the reaction
  3. using our senses to describe the reaction
  4. when a compound breaks down into simple units
  5. the chemicals at the start of mixing
  6. these are chemicals that are sensitive to heat
Down
  1. the energy used by the catalyst to start reaction
  2. an explosion during a chemical reaction
  3. the atoms involved in the reaction
  4. this means nothing is lost or gained in a reaction
  5. this is the creation of new chemical compounds
  6. this speeds up the reaction

12 Clues: this speeds up the reaction • the written form of the reaction • the atoms involved in the reaction • the result of the chemical reaction • the chemicals at the start of mixing • an explosion during a chemical reaction • using our senses to describe the reaction • when a compound breaks down into simple units • this is the creation of new chemical compounds • ...

Words Based on Science Word search: 2018-05-30

Words Based on Science Word search: crossword puzzle
Across
  1. Something that is made up of atoms which are chemically bonded together
  2. Is the rapid vibration of a liquid
  3. A substance that undergoes changes during a reaction
  4. reaction- Rearrangement of a molecular or ion structure of a substance
  5. A faintly visible suspension of particles of matter in air, mist, fumes or smoke
  6. theory- Theory used to predict the rates of chemical reactions
  7. To change or cause to change into vapour or into gaseous state
  8. Something essential of something abstract
  9. The amount of a substance per defined space
  10. Something consisting of one atom
  11. Breaking down or destruction of a material
  12. Is the opposite of horizontal column, which is on the periodic table
  13. Opposite of the vertical row of the periodic table
Down
  1. Tendency of a substance to vaporize
  2. Turning something into liquid, from heating it
  3. Substance formed from the result of a chemical reaction
  4. Is chemical compounds made of smaller identical molecules
  5. Speeds up a chemical reaction
  6. table- A table of elements arranged in order of atomic number
  7. element- Is the smallest particle in a chemical element
  8. produced from a living organism
  9. Holds atoms or ions together
  10. Something consisting of two atoms
  11. Is the amount of gas that's smelt very strong causing it to be dangerous
  12. Chemical process where a solid turns into a gas without it starting of as a liquid
  13. Smallest particle of a chemical element
  14. Composed of two or more separate elements
  15. Process of which air is changed into liquid water

28 Clues: Holds atoms or ions together • Speeds up a chemical reaction • produced from a living organism • Something consisting of one atom • Something consisting of two atoms • Is the rapid vibration of a liquid • Tendency of a substance to vaporize • Smallest particle of a chemical element • Something essential of something abstract • Composed of two or more separate elements • ...

Matter Vocabulary 2024-05-15

Matter Vocabulary crossword puzzle
Across
  1. a simple substance that cannot be broken down into smaller parts or changed into another substance.
  2. a characteristic of a substance that can be observed or measured without changing the identity of the substance
  3. A chemical reaction that involves the release of energy in the form of heat or light
  4. the amount of space occupied by a sample of matter
  5. a substance that is present at the end of a chemical reaction
  6. a measure of the average kinetic energy of the particles in an object
  7. The substances which participate in a chemical reaction
  8. the smallest unit into which matter can be divided without the release of electrically charged particles.
  9. the energy which is stored in the bonds of chemical compounds (molecules and atoms)
  10. the appearance or form of the matter changes but the kind of matter in the substance does not
  11. a change of materials into another, new materials with different properties and one or more than one new substances are formed
  12. a combination of two or more substances in any proportions
Down
  1. a characteristic of a particular substance that can be observed in a chemical reaction.
  2. thermal energy transferred from a hotter system to a cooler system that are in contact.
  3. any chemical reaction that absorbs heat from its environment.
  4. a substance made up of two or more different chemical elements combined in a fixed ratio.
  5. Anything that takes up space and can be weighed
  6. the attraction of molecules for other molecules of the same kind
  7. a link between atoms in molecules or compounds and between ions and molecules
  8. a process in which one or more substances are converted to one or more different substances.
  9. The smallest particle of a substance that has all the physical and chemical properties of that substance
  10. a measure of the amount of matter in a substance or an object.
  11. a science that deals with the composition, structure, and properties of substances and with the transformations that they undergo

23 Clues: Anything that takes up space and can be weighed • the amount of space occupied by a sample of matter • The substances which participate in a chemical reaction • a combination of two or more substances in any proportions • any chemical reaction that absorbs heat from its environment. • a substance that is present at the end of a chemical reaction • ...

Chapter 2 Vocabulary Revie 2023-12-11

Chapter 2 Vocabulary Revie crossword puzzle
Across
  1. A charged atom
  2. An attraction between molecules of different substances
  3. Energy needed to get a reaction started
  4. reactant of an enzyme-catalyzed reaction
  5. A substance made up of atoms of two or more different elements joined by chemical bonds
  6. A substance produced in a chemical reaction
  7. the substance in which the solute dissolves
  8. A substance that is dissolved in a solution.
  9. A substance that increases the hydrogen ion concentration of a solution.
  10. A substance that decreases the hydrogen ion concentration in a solution.
  11. center of an atom
  12. small chemical unit that makes up a polymer
  13. basic unit of matter
  14. DNA and RNA
  15. large compound formed from combinations of many monomers
  16. A chemical substance that is present at the start of a chemical reaction
  17. Formed when one or more electrons are transferred from one atom to another
  18. substance that speeds up the rate of a chemical reaction
  19. A combination of two or more substances that are not chemically combined
Down
  1. Energy-rich organic compounds, such as fats, oils, and waxes, that are made of carbon, hydrogen, and oxygen.
  2. Atoms of the same element that have different numbers of neutrons
  3. A subatomic particle that has a negative charge
  4. compound made up of carbon, hydrogen, and oxygen atoms; major source of energy for the human body
  5. monomer of nucleic acids made up of a 5-carbon sugar, a phosphate group, and a nitrogenous base
  6. A group of atoms bonded together
  7. Attraction between molecules of the same substance
  8. A chemical bond that involves sharing a pair of electrons between atoms in a molecule
  9. the process by which one or more substances change to produce one or more different substances
  10. A mixture in which particles can be seen and easily separated by settling or filtration
  11. Building blocks of protein
  12. A type of protein that speeds up a chemical reaction in a living thing
  13. A homogeneous mixture of two or more substances
  14. compound that prevents sharp, sudden changes in pH

33 Clues: DNA and RNA • A charged atom • center of an atom • basic unit of matter • Building blocks of protein • A group of atoms bonded together • Energy needed to get a reaction started • reactant of an enzyme-catalyzed reaction • A substance produced in a chemical reaction • the substance in which the solute dissolves • small chemical unit that makes up a polymer • ...

Stoichiometry Vocab 2022-01-20

Stoichiometry Vocab crossword puzzle
Across
  1. This is a ratio elements in a compound using the smallest whole numbers
  2. The number of atoms in exaclty 12g of carbon-12. Rounded to four figures 6.022 x 10²³
  3. one in which an element reacts by replacing another element in a compound
  4. The ratio of the actual yield to the theoretical yield, multiplied by 100
  5. The study of the quantities of materials consumed and produced in chemical reactions
  6. This refers to the number of grams of a given element in 100g of a compound
  7. An instrument used to determine the relative masses of atoms by the deflection of their ions on a magnetic field
  8. Symbolic representations of a chemical reaction where the number of atoms of each element is on the left of the arrow is equal to the number of stoms of each element on the right side
  9. A quantity of a substance that contains Avagadro's number of items
  10. One in which a single compound breaks up into two or more other substances
  11. Chemical substances involved at the start of a chemical reaction
  12. A conversion factor that relates the amounts in moles of any two substances involved in a chemical reaction
  13. A representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products
  14. The reactant that is used up when a reaction goes to completion
Down
  1. one in which two compounds exchange parts to form two new compounds.
  2. This is the actual formula of each element in a compound
  3. This is the mass of one mole of a compound
  4. Chemical substances that result from a chemical reaction
  5. The weighted average of the masses of all naturally occurring isotopes of an element
  6. The calculated maximum mass of a product that can be obtained from the given amounts of reactants
  7. One in which two substances chemically combine to form a third
  8. One that contains the relative amounts of reactants that match the number in the balanced equation

22 Clues: This is the mass of one mole of a compound • This is the actual formula of each element in a compound • Chemical substances that result from a chemical reaction • One in which two substances chemically combine to form a third • The reactant that is used up when a reaction goes to completion • Chemical substances involved at the start of a chemical reaction • ...

Chemistry 2025-05-12

Chemistry crossword puzzle
Across
  1. organizes all discovered chemical elements
  2. The ability of an atom to form chemical bond
  3. The smallest particle
  4. a chemical bond that involves the sharing of electrons to form electron pairs between atoms
  5. a substance that can accept hydrogen ions in water and can neutralize an acid
  6. tells us the number of atoms of each element in a compound
  7. a group of atoms held together by covalent bonds
  8. The loss of electrons in a chemical reaction
  9. substance produced by the reaction of an acid with a base
Down
  1. A substance that speeds up a chemical reaction
  2. a measure of the acidity or basicity of a solution
  3. a thing that is composed of two or more separate elements; a mixture.
  4. A chemical that gives off hydrogen ions in water and forms salts by combining with certain metals
  5. a chemical bond formed through the complete transfer of electrons between atoms, resulting in the formation of oppositely charged ions that attract each other
  6. a part or aspect of something abstract, especially one that is essential or characteristic
  7. science that deals with the identification of the substances of which matter is composed
  8. are converted to one or more different substances, known as products
  9. An atom with the same number of protons but a different number of neutrons

18 Clues: The smallest particle • organizes all discovered chemical elements • The ability of an atom to form chemical bond • The loss of electrons in a chemical reaction • A substance that speeds up a chemical reaction • a group of atoms held together by covalent bonds • a measure of the acidity or basicity of a solution • ...

Science crossword 2024-05-15

Science crossword crossword puzzle
Across
  1. A usual reversible change is physical properties.
  2. Anything that takes up space.
  3. The amount of space occupied by matter.
  4. The total of protons neutrons and electrons within and object.
  5. a characteristic of a particular substance that can be observed in a chemical reaction.
  6. The form of energy that is transferred at different temperatures between 2 objects.
  7. The intermolecular attractive force acting between two adjacent portions of a substance, particularly of a solid or liquid
  8. An attraction between atoms.
  9. The ability to do work
  10. Something formed by the union of 2 or more elements.
Down
  1. When 2 or more atoms or molecules get turned into a new substance.
  2. A group of atoms bonded together.
  3. A substance that cant break down into another substance.
  4. he composition and chemical properties of a substance.
  5. taking place or being formed by absorbing heat.
  6. Makes up everything.
  7. he chemical substances which are formed due to a chemical reaction between two or more chemical substances
  8. The rearrangement of 2 or more atoms or molecules that result in either a new substance or a change is mass.
  9. Measure of hotness and coldness.
  10. The release of heat.
  11. a characteristic of a substance that can be observed or measured without changing the identity of the substance.
  12. The starting material that changes in a chemical reaction and creates a new product

22 Clues: Makes up everything. • The release of heat. • The ability to do work • An attraction between atoms. • Anything that takes up space. • Measure of hotness and coldness. • A group of atoms bonded together. • The amount of space occupied by matter. • taking place or being formed by absorbing heat. • A usual reversible change is physical properties. • ...

Ch. 6&7 crossword puzzle 2018-05-01

Ch. 6&7 crossword puzzle crossword puzzle
Across
  1. A solid made from two liquids
  2. The total molar mass of a formula
  3. Fire
  4. 6.022x1023 atoms
  5. Hydrogen and carbon
  6. Amount of atoms in one Mole
  7. Change PhysicalChange
  8. liquid
  9. To preserve something
Down
  1. How much of an element is in something
  2. Decomposition
  3. Chemicals not soluble
  4. The bubbles in a liquid
  5. Atomic number
  6. The number put before a chemical formula
  7. Synthesis
  8. What makes a reaction happen
  9. The result of a chemical reaction

18 Clues: Fire • liquid • Synthesis • Decomposition • Atomic number • 6.022x1023 atoms • Hydrogen and carbon • Chemicals not soluble • Change PhysicalChange • To preserve something • The bubbles in a liquid • Amount of atoms in one Mole • What makes a reaction happen • A solid made from two liquids • The total molar mass of a formula • The result of a chemical reaction • ...

Ch. 6&7 crossword puzzle 2018-05-01

Ch. 6&7 crossword puzzle crossword puzzle
Across
  1. What makes a reaction happen
  2. Change PhysicalChange
  3. How much of an element is in something
  4. liquid
  5. The bubbles in a liquid
  6. 6.022x1023 atoms
  7. To preserve something
  8. The number put before a chemical formula
  9. Atomic number
  10. Decomposition
Down
  1. Fire
  2. The result of a chemical reaction
  3. A solid made from two liquids
  4. Chemicals not soluble
  5. Amount of atoms in one Mole
  6. Synthesis
  7. Hydrogen and carbon
  8. The total molar mass of a formula

18 Clues: Fire • liquid • Synthesis • Atomic number • Decomposition • 6.022x1023 atoms • Hydrogen and carbon • Change PhysicalChange • Chemicals not soluble • To preserve something • The bubbles in a liquid • Amount of atoms in one Mole • What makes a reaction happen • A solid made from two liquids • The result of a chemical reaction • The total molar mass of a formula • ...

Cross Chemistry (Liam Lord) 2019-06-11

Cross Chemistry (Liam Lord) crossword puzzle
Across
  1. tend to be packed together much closer than the particles in a gas or liquid. Is a state of matter
  2. lasting attraction between atoms ions or molecules
  3. what is made from reactants
  4. A Negatively Charged Ion
  5. One element replaces another in a single compound
  6. representation of a chemical reaction
  7. the emission of energy as a electromagnetic wave
  8. A single element reacts with a compound and displaces another element from the compound
  9. the smallest component of an element, characterized by a sharing of the chemical properties of the element and a nucleus with neutrons, protons and electrons.
  10. a atom or molecule this is a Ion with a positive Charge
  11. A way of using the formulas to indicate the chemicals that were involved in the reaction
  12. Everywhere everything is made of this
Down
  1. 2 or more substances combine to form a substance
  2. equation for a chemical reaction in which the number of atoms for each element in the reaction and the total charge are the same for both the reactants and the products. In other words, the mass and the charge are balanced on both sides of the reaction.
  3. Chemical Formula for Water
  4. React with other reactants to make products
  5. 2 compounds react and the ions of the 2 reactants switch place forming 2 new compounds
  6. a process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form or a nuclear reaction.
  7. particles in it are free to flow, so while it has a definite volume, it does not have a definite shape it consists of atoms or molecules that are connected by intermolecular bonds. Is a state of matter
  8. The numbers in front of the formula
  9. substance formed when two or more chemical elements are chemically bonded together.
  10. solution in which the solvent is water. It is mostly shown in chemical equations by appending (aq) to the relevant chemical formula
  11. major class of chemical reactions, commonly referred to as "burning.
  12. On periodic table
  13. radioactive decay from atomic nuclei, Strongest Radiation type

25 Clues: On periodic table • A Negatively Charged Ion • Chemical Formula for Water • what is made from reactants • The numbers in front of the formula • representation of a chemical reaction • Everywhere everything is made of this • React with other reactants to make products • 2 or more substances combine to form a substance • the emission of energy as a electromagnetic wave • ...

Chemical Reactions 2025-09-07

Chemical Reactions crossword puzzle
Across
  1. Reaction with oxygen producing heat
  2. Reaction that absorbs heat
  3. Acid reacts with a base
  4. Substance that starts a chemical reaction
  5. Reaction combining substances into one
  6. Loss of electrons in a reaction
Down
  1. Reaction that releases heat
  2. Substance formed in a chemical reaction
  3. Reaction breaking one substance into parts
  4. Gain of electrons in a reaction
  5. Speeds up a reaction without being used
  6. Solid formed from a solution reaction

12 Clues: Acid reacts with a base • Reaction that absorbs heat • Reaction that releases heat • Gain of electrons in a reaction • Loss of electrons in a reaction • Reaction with oxygen producing heat • Solid formed from a solution reaction • Reaction combining substances into one • Substance formed in a chemical reaction • Speeds up a reaction without being used • ...

Chemical Reactions Review 2022-05-02

Chemical Reactions Review crossword puzzle
Across
  1. two substances to make a solid
  2. when the substance changes
  3. the way the atoms are moving and the shape of a substance
  4. substances mix and no energy is released
  5. stays the same during a reaction
  6. the weight of the substance stays constant
  7. can't be converted
  8. absorb heat
  9. a first model of something
  10. what a chemical reaction makes
  11. a limitation of the weight of a substance
Down
  1. it has to be met
  2. where nothing can affect the reaction
  3. it takes it back
  4. mixes into a substance and disappears
  5. the elements can affect the reaction
  6. absorbs and releases heat
  7. what is used to make a chemical reaction

18 Clues: absorb heat • it has to be met • it takes it back • can't be converted • absorbs and releases heat • when the substance changes • a first model of something • two substances to make a solid • what a chemical reaction makes • stays the same during a reaction • the elements can affect the reaction • where nothing can affect the reaction • mixes into a substance and disappears • ...