chemical reaction Crossword Puzzles

Cellular Energy Terms 2022-12-12

Cellular Energy Terms crossword puzzle
Across
  1. breakdown of substance by bacteria
  2. extracts energy from glucose
  3. substance that changes in a reaction
  4. sugar made from photosynthesis
  5. made from cellular respiration
  6. process that breaks down glucose
  7. controls the rate of gas exchange
  8. inner tissue of a leaf
  9. chemical element
  10. converts nutrients to glucose
  11. organism that is a primary producer
  12. relating to oxygen
Down
  1. an organelle found in cells
  2. 1 carbon atom, 2 carbon atoms
  3. cycle of chemical reactions
  4. citric acid cycle
  5. the result of a reaction
  6. an organelle containing chlorphyll
  7. process in which plants make food
  8. reaction using light energy

20 Clues: chemical element • citric acid cycle • relating to oxygen • inner tissue of a leaf • the result of a reaction • an organelle found in cells • cycle of chemical reactions • reaction using light energy • extracts energy from glucose • 1 carbon atom, 2 carbon atoms • converts nutrients to glucose • sugar made from photosynthesis • made from cellular respiration • ...

Chemical Changes Crossword Puzzle | Science Assignment | Ethan and Micah 2023-03-28

Chemical Changes Crossword Puzzle | Science Assignment | Ethan and Micah crossword puzzle
Across
  1. Stuff gets destroyed over time
  2. 2KI(aq)+Pb(NO3)2(aq)→2KNO3(aq)+PbI2(s)
  3. UR MOTHER
  4. The chemical after change
  5. UR DEDDY
  6. Changes in a chemical reaction
  7. Water ---> Gas
  8. The chemicals before change
  9. Metal gets red
  10. Fire/Water/Air/Earth
  11. Long years, materials become rusty
  12. Rain of Acid
Down
  1. Substance with pH under 7
  2. Zn(s)+2HCl(aq)→ZnCl2(aq)+H2(g)
  3. Reaction needed for chemicals to change
  4. Reaction when rain or snow falls
  5. Substance with pH over 7
  6. Neutral substance with pH 7
  7. O2, Co2, H2, N2.
  8. Fire eating
  9. Boom
  10. H2 + O = H20

22 Clues: Boom • UR DEDDY • UR MOTHER • Fire eating • H2 + O = H20 • Rain of Acid • Water ---> Gas • Metal gets red • O2, Co2, H2, N2. • Fire/Water/Air/Earth • Substance with pH over 7 • Substance with pH under 7 • The chemical after change • Neutral substance with pH 7 • The chemicals before change • Stuff gets destroyed over time • Zn(s)+2HCl(aq)→ZnCl2(aq)+H2(g) • Changes in a chemical reaction • ...

Robert Pennington chapter 13 2020-10-19

Robert Pennington chapter 13 crossword puzzle
Across
  1. having two atom switching partners.
  2. only having one individual joining a team.
  3. a substance that lowers the activation energy of a chemical reaction.
  4. the amount of energy to break the bonds.
  5. reaction there is a net release of energy.
  6. some compound combining with oxygen.
  7. no atom are gained or lost during any reaction.
Down
  1. how quickly the concetration of reactants decreases.
  2. chemical that accepts a hydrogen ion
  3. building reaction, combining the molecoles.
  4. when reactions and its reverse act the same rate.
  5. reaction there is a net absorption of energy.
  6. chemical that donates a hydrogen ion.

13 Clues: having two atom switching partners. • some compound combining with oxygen. • chemical that accepts a hydrogen ion • chemical that donates a hydrogen ion. • the amount of energy to break the bonds. • only having one individual joining a team. • reaction there is a net release of energy. • building reaction, combining the molecoles. • ...

Chemical reactions crossword 2013-12-19

Chemical reactions crossword crossword puzzle
Across
  1. substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change
  2. a chemical reaction accompanied by the absorption of heat
  3. a substance obtained from another substance through chemical change
  4. any of the substances participating in a chemical reaction
  5. a thing that inhibits someone or something
Down
  1. a chemical reaction accompanied by the evolution of heat
  2. the symbolic representation of a chemical reaction
  3. a process existing in or produced by nature (rather than by the intent of human beings)
  4. matter cannot be created or destroyed in an isolated system
  5. a substance produced by a living organism that acts as a catalyst to bring about a specific biochemical reaction
  6. a process that involves rearrangement of the molecular or ionic structure of a substance

11 Clues: a thing that inhibits someone or something • the symbolic representation of a chemical reaction • a chemical reaction accompanied by the evolution of heat • a chemical reaction accompanied by the absorption of heat • any of the substances participating in a chemical reaction • matter cannot be created or destroyed in an isolated system • ...

Unit 3 Vocabulary 2023-05-16

Unit 3 Vocabulary crossword puzzle
Across
  1. (usually a protein) that speeds up a biochemical reaction by lowering its activation energy
  2. Get energy from living or non-living organisms. examples: animals, fungus, people.
  3. Eat only meat example-polar bear
  4. A reaction that overall releases more energy (in the form of heat or light than it absorbs.
  5. Reactions that build larger molecules from smaller ones
  6. A catabolic process that makes a limited amount of ATP from glucose without an electron transport chain and that produces a characteristic end product, such as ethyl alcohol or lactic acid.
  7. (substrate) A substance that is changed during a chemical reaction
  8. The synthesis of organic compounds by bacteria or other living organisms using energy derived from reactions involving inorganic chemicals, typically in the absence of sunlight.
  9. energy Energy needed to get a chemical reaction started
  10. A green pigment, present in all green plants and in cyanobacteria, responsible for the absorption of light to provide energy for photosynthesis. Its molecule contains a magnesium atom held in a porphyrin ring.
  11. Process that releases energy by breaking down glucose and other food molecules in the presence of oxygen
  12. Substance that speeds up the rate of a chemical reaction without being permanently altered
  13. A reaction that overall absorbs more energy (in the form of heat or light) than it releases.
  14. Pancake-like stacks of thylakoid membrane
  15. A substance that is made in a chemical reaction
  16. Eat meat and vegetation example-raccoons
Down
  1. The membrane of the mitochondria that is the site of electron transport and chemiosmosis.
  2. Requires oxygen
  3. Eat only vegetation
  4. The overall process by which sunlight (solar/light energy) chemically converts water and carbon dioxide into chemical energy stored in glucose (a sugar/carbohydrate) (this happens on the leaf of a plant)
  5. Reactions The breaking and forming of bonds between different substances during chemical changes
  6. Is without oxygen; usually w/short-spurt, high-energy activities
  7. site Location on an enzyme where the substrate binds
  8. Non-living portion
  9. Reactions that break down larger molecules into simpler compounds.
  10. All of the chemical reactions that occur within an organism
  11. Eat dead materials example-vultures
  12. Fluid-like substance that fills the space between the grana
  13. They get energy from non-living sources most capture energy during photosynthesis to make simple sugars.
  14. A substance present in all living cells that provides energy for many metabolic processes and is involved in making RNA.
  15. When an enzyme's active site loses its specific shape, causing a loss in biological activity

31 Clues: Requires oxygen • Non-living portion • Eat only vegetation • Eat only meat example-polar bear • Eat dead materials example-vultures • Eat meat and vegetation example-raccoons • Pancake-like stacks of thylakoid membrane • A substance that is made in a chemical reaction • site Location on an enzyme where the substrate binds • ...

9.1-9.2 Review 2025-03-12

9.1-9.2 Review crossword puzzle
Across
  1. a process where substances change into different substances
  2. symbols tell us the physical state of each substance
  3. means "yields" or "produces"
  4. symbolic representation of a chemical reaction
  5. red rust
  6. exist in nature as two-atom molecules
  7. Nonmetal + Nonmetal
Down
  1. a type of chemical reaction where two or more reactants combine to form a single product
  2. the starting substances in a reaction
  3. metal oxide + water
  4. metal + nonmeta
  5. the substances formed as a result of the reaction
  6. black rust
  7. yellow rust
  8. Metal + Oxygen

15 Clues: red rust • black rust • yellow rust • Metal + Oxygen • metal + nonmeta • metal oxide + water • Nonmetal + Nonmetal • means "yields" or "produces" • the starting substances in a reaction • exist in nature as two-atom molecules • symbolic representation of a chemical reaction • the substances formed as a result of the reaction • symbols tell us the physical state of each substance • ...

VOCABULARY IN CHEMISTRY 2023-05-15

VOCABULARY IN CHEMISTRY crossword puzzle
Across
  1. Unit for the amount of substance
  2. Energy that needs to have a molecule to react
  3. Type of element in the last group of the periodic table
  4. Chemical property that describes the tendency of an atom or a functional group to attract electrons toward itself.
  5. Ion with positive charge
  6. Fist part of the chemical reaction
  7. Is the mass that appears in the periodic table.
  8. Negative particle of the atom
  9. Is the number of protons of an atom.
  10. Neutral particle of the atom
Down
  1. Last part of the chemical reaction
  2. The conditions in which a gas occupies 22.7L at 25C and 1 atm.
  3. An atom with charge is called...
  4. Ion with negative charge
  5. Part of chemistry that studies changes in a chemical reaction
  6. Type of elements in the right side of the periodic table
  7. Process that involves rearrangement of atoms
  8. Type of elements in the left side of the periodic table
  9. Positive particle of the atom
  10. Unit to measure mass
  11. Element with symbol Cd

21 Clues: Unit to measure mass • Element with symbol Cd • Ion with negative charge • Ion with positive charge • Neutral particle of the atom • Positive particle of the atom • Negative particle of the atom • Unit for the amount of substance • An atom with charge is called... • Last part of the chemical reaction • Fist part of the chemical reaction • Is the number of protons of an atom. • ...

Tatum G 4.1.3 2024-02-07

Tatum G 4.1.3 crossword puzzle
Across
  1. an enzyme that helps digest food
  2. after a chemical reaction occurs
  3. percentage of hydrogen ions in a solution
  4. if the enzymes shape changes significantly and can no longer function
  5. reaction energy lowered by enzymes
  6. a toxic chemical that is produced in many organisms
  7. the name of what an enyzme typically ends in
  8. lots of hydrogen
  9. can block active sites
  10. when the substrate is changed
  11. the substance the enzyme acts on
  12. something you breathe in everyday to stay alive
  13. molecule that's used by all living organisms
  14. shape of the enzyme fits the substrate
  15. an enzyme that is released by the cells of the stomach
Down
  1. very little hydrogen
  2. enzymes control this aspect of a chemical reaction
  3. adds water molecules
  4. large bio-molecules
  5. chemical reactions done by living organisms
  6. degree or intensity of heat present
  7. removes water molecules
  8. specifically shaped area of the enzyme
  9. breaks down lactose
  10. protein molecules that act as biological catalysts

25 Clues: lots of hydrogen • large bio-molecules • breaks down lactose • very little hydrogen • adds water molecules • can block active sites • removes water molecules • when the substrate is changed • an enzyme that helps digest food • after a chemical reaction occurs • the substance the enzyme acts on • reaction energy lowered by enzymes • degree or intensity of heat present • ...

Chemical reactions 2023-04-06

Chemical reactions crossword puzzle
Across
  1. All chemical reactions involve e_______ being transferred
  2. This type of reaction would show a temperature decrease
  3. This type of reaction would show a temperature increase
  4. Thermal _________________ reactions involve a single reactant being broken down
  5. The scientific name of the chemical reaction involving burning a fuel
  6. Fossil fuels are bad because they contribute to ___________ change
Down
  1. This liquid can be used to test for the presence of carbon dioxide
  2. The chemical(s) on the LEFT side of the arrow in a word equation
  3. In a chemical reaction, the ______ of the reactants = the mass of the products
  4. The chemical(s) on the RIGHT side of the arrow in a chemical reaction
  5. Fossil fuels are non-_____________ meaning we can't get more of them easily
  6. You need to wear these over your eyes when handling acids

12 Clues: This type of reaction would show a temperature decrease • This type of reaction would show a temperature increase • All chemical reactions involve e_______ being transferred • You need to wear these over your eyes when handling acids • The chemical(s) on the LEFT side of the arrow in a word equation • ...

Carbon and Life 2025-02-06

Carbon and Life crossword puzzle
Across
  1. *********** reaction; reaction involving the removal of water
  2. the monomers of polysaccharides
  3. prefix for four
  4. tetravalent atom with six protons
  5. the building block; the subunit that serves as the building block of polymers
  6. ******** reaction; making and breaking of bonds
  7. prefix for seven
Down
  1. the monomer of nucleic acids
  2. compounds containing ONLY carbon and hydrogen
  3. prefix for one
  4. ********** reaction; reaction involving the addition of water
  5. ********** group; groups directly involved in chemical reactions
  6. a giant molecule formed by the joining of smaller molecules
  7. two words; the subunit of proteins
  8. ******* compounds; compounds containing carbon
  9. a long molecule consisting of many similar or identical subunits

16 Clues: prefix for one • prefix for four • prefix for seven • the monomer of nucleic acids • the monomers of polysaccharides • tetravalent atom with six protons • two words; the subunit of proteins • compounds containing ONLY carbon and hydrogen • ******* compounds; compounds containing carbon • ******** reaction; making and breaking of bonds • ...

NSD -2025 2025-02-24

NSD -2025 crossword puzzle
Across
  1. – A substance that increases the concentration of hydrogen ions (H⁺) in a solution.
  2. – The SI unit for the amount of substance, containing Avogadro’s number of particles.
  3. – A solution that contains more dissolved solute than it can normally hold at a given temperature.
  4. – Different structural forms of the same element in the same physical state.
  5. – An atom or molecule with a net electric charge due to the loss or gain of electrons.
  6. – The substance in which the solute dissolves to form a solution.
  7. – A group of two or more atoms chemically bonded together.
  8. – A technique used to determine the concentration of a solution by reacting it with a standard solution.
  9. – A substance that increases the concentration of hydroxide ions (OH⁻) in a solution.
  10. – The substance dissolved in a solution.
  11. – A state in which the forward and reverse reactions occur at the same rate.
  12. – An insoluble solid that forms in a solution during a chemical reaction.
  13. – A substance composed of two or more different elements chemically bonded together.
  14. – A solution that resists changes in pH when an acid or base is added.
  15. – An element with properties intermediate between metals and nonmetals.
  16. – The gain of electrons by an atom or molecule.
  17. Bond – A bond formed between oppositely charged ions due to electron transfer.
  18. – The total heat content of a system.
  19. – The smallest unit of an element that retains its chemical properties.
  20. – The mixing of atomic orbitals to form new hybrid orbitals.
  21. Free Energy – A thermodynamic quantity indicating the spontaneity of a reaction.
  22. – The calculation of reactants and products in a chemical reaction.
  23. – The concentration of a solution expressed as moles of solute per liter of solution.
Down
  1. – Properties of solutions that depend on the number of solute particles, such as boiling point elevation and freezing point depression.
  2. – A substance made of only one type of atom.
  3. – A substance formed as a result of a chemical reaction.
  4. – The loss of electrons by an atom or molecule.
  5. – A measure of the disorder or randomness in a system.
  6. Bond – A chemical bond formed by the sharing of electron pairs between atoms.
  7. – An element that is a good conductor of heat and electricity, malleable, and ductile.
  8. – Atoms of the same element with different numbers of neutrons.
  9. Reaction – A chemical reaction involving both oxidation and reduction.
  10. – The spontaneous emission of radiation by an unstable atomic nucleus.
  11. – The ability of an atom to attract electrons in a chemical bond.
  12. – An element that lacks metallic properties and is usually a poor conductor.
  13. – The time required for half of a radioactive substance to decay.
  14. – A substance that undergoes change in a chemical reaction.
  15. – A substance that speeds up a chemical reaction without being consumed.
  16. – A homogeneous mixture of solute and solvent.

39 Clues: – The total heat content of a system. • – The substance dissolved in a solution. • – A substance made of only one type of atom. • – A homogeneous mixture of solute and solvent. • – The loss of electrons by an atom or molecule. • – The gain of electrons by an atom or molecule. • – A measure of the disorder or randomness in a system. • ...

Reni's Matter Crossword 2024-05-15

Reni's Matter Crossword crossword puzzle
Across
  1. 2 or more atoms joined together.
  2. A combination of substances that can be physically separated
  3. The interaction between 2 or more elements.
  4. The substances present before a chemical reaction.
  5. CO2 is a definition of ______.
  6. A substance formed during a chemical reaction.
  7. The study of matter and everything in the universe.
  8. The amount of space an object takes up.
  9. The average amount of heat in an object.
Down
  1. Carbon, Hydrogen, & Oxygen are examples of an _______.
  2. The amount of matter in an object.
  3. The ability of molecules of the same substance to stick together.
  4. Everything in the universe is made of this.
  5. The attraction between 2 or more atoms.
  6. The transfer of thermal energy in an object .
  7. The smallest unit of matter.
  8. Material that speeds up the chemical reaction.
  9. The ability to do work and cause change is ______.

18 Clues: The smallest unit of matter. • CO2 is a definition of ______. • 2 or more atoms joined together. • The amount of matter in an object. • The attraction between 2 or more atoms. • The amount of space an object takes up. • The average amount of heat in an object. • Everything in the universe is made of this. • The interaction between 2 or more elements. • ...

Chemistry Unit 5 Crossword 2023-05-01

Chemistry Unit 5 Crossword crossword puzzle
Across
  1. A chemical reaction that occurs when one compound replaces one element with another.
  2. A subatomic particle found on the shell of an atom
  3. A chemical reaction between 2 or more elements that combine to create one product
  4. An atom that loses electrons and has a positive charge
  5. A bound between a positive metal element and a negative non-metal
  6. A chemical reaction when hydrocarbon reacts with oxygen in order to produce carbon dioxide and water
  7. A chemical reaction that occurs when two compounds replace one element with another.
Down
  1. A set of bonded elements that act as one element(typically an anion)
  2. An element that cannot stand by itself
  3. A chemical reaction that occurs when one reactant breaks down into 2 or more products
  4. A number at the end of an element/compound that indicates how many copies it has
  5. A number that stands in front of an element(s) and indicates the multiplicity
  6. A bonds that involve the sharing of electrons
  7. 2 or more chemically combined elements with no charge
  8. An atom that gains electrons and has a negative charge

15 Clues: An element that cannot stand by itself • A bonds that involve the sharing of electrons • A subatomic particle found on the shell of an atom • 2 or more chemically combined elements with no charge • An atom that gains electrons and has a negative charge • An atom that loses electrons and has a positive charge • ...

Chemical Reactions and Equations. 2020-04-24

Chemical Reactions and Equations. crossword puzzle
Across
  1. addition of electronegative ion
  2. occurs when barium chloride reacts with sodium sulphate
  3. agent causes reduction
  4. iodide
  5. reaction between an acid and a base
  6. reaction taking place when to elements for a single compound
  7. symbolic representation of a chemical reaction
Down
  1. chemical used in photography
  2. reaction when two compounds exchange their ions
  3. colour of fumes given out when lead nitrate is heated
  4. reaction taking place when calcium carbonate is heated
  5. common effect of aerial oxidation on metals
  6. colour of precipitate formed when lead nitrate reacts with
  7. this is what an equation should be
  8. causes oxidation
  9. addition of electropositive ion

16 Clues: iodide • causes oxidation • agent causes reduction • chemical used in photography • addition of electronegative ion • addition of electropositive ion • this is what an equation should be • reaction between an acid and a base • common effect of aerial oxidation on metals • symbolic representation of a chemical reaction • reaction when two compounds exchange their ions • ...

Chapter 8 2025-10-17

Chapter 8 crossword puzzle
Across
  1. macromolecule that acts as a catalyst
  2. a measure of molecular disorder or randomness
  3. the reactant an enzyme acts on
  4. adenosine triphosphate the cell's main energy source
  5. pathway a series of chemical reactions occurring within a cell
  6. energy potential energy available for release in a chemical reaction
  7. an energy-releasing chemical reaction
  8. everything outside the system
  9. energy energy that matter possesses because of its location or structure
  10. an energy-requiring chemical reaction
  11. energy energy associated with the relative motion of objects
  12. Law of Thermodynamics every energy transfer or transformation increases the entropy of the universe
  13. energy kinetic energy associated with the random movement of atoms or molecules
  14. the acceleration of a chemical reaction by a catalyst
Down
  1. the equation used to calculate the change in free energy in a chemical reaction
  2. pathways metabolic pathways that construct complex molecules from simpler ones requiring energy
  3. inhibition a method of metabolic control where the end product of a metabolic pathway acts as an inhibitor of an enzyme within that pathway
  4. the matter under study in a particular case of thermodynamics
  5. site the region on the enzyme where the substrate binds
  6. regulation the binding of a regulatory molecule to a protein at one site that affects the function of the protein at a different site
  7. the absolute temperature scale used in scientific measurements
  8. the capacity to cause change
  9. energy a type of electromagnetic radiation which is visible to the human eye
  10. Law of Thermodynamics energy can be transferred and transformed but it cannot be created or destroyed
  11. a measure of the total heat content of a system
  12. process a process that can occur without an input of energy
  13. the study of energy transformations
  14. a force acting over a distance
  15. coupling the use of an exergonic process to drive an endergonic one
  16. pathways metabolic pathways that break down complex molecules into simpler ones releasing energy

30 Clues: the capacity to cause change • everything outside the system • the reactant an enzyme acts on • a force acting over a distance • the study of energy transformations • macromolecule that acts as a catalyst • an energy-releasing chemical reaction • an energy-requiring chemical reaction • a measure of molecular disorder or randomness • ...

Types of Chemical Reaction 2025-05-01

Types of Chemical Reaction crossword puzzle
Across
  1. A reaction involving both reduction and oxidation.
  2. Reaction involving the breaking of bonds using water.
  3. Reaction where atoms or groups are removed from a molecule, often forming a double bond.
  4. Reaction between an acid and a base to form water and a salt.
  5. Reaction that absorbs heat from its surroundings.
  6. A reaction in which a substance reacts rapidly with oxygen, producing heat and light.
  7. The process of losing electrons in a chemical reaction.
  8. A reaction in which a compound breaks down into simpler substances.
Down
  1. Type of displacement reaction where parts of two compounds swap places. (Clue word: think "___ replacement")
  2. Reaction where an insoluble solid forms from two solutions.
  3. Type of displacement reaction where one element replaces another in a compound. (Clue word: think "___ replacement")
  4. Reaction that releases heat to its surroundings.
  5. Reaction where atoms or groups are added to a molecule, often in organic chemistry.
  6. A reaction where two or more substances combine to form a more complex product.
  7. The process of gaining electrons in a chemical reaction.

15 Clues: Reaction that releases heat to its surroundings. • Reaction that absorbs heat from its surroundings. • A reaction involving both reduction and oxidation. • Reaction involving the breaking of bonds using water. • The process of losing electrons in a chemical reaction. • The process of gaining electrons in a chemical reaction. • ...

chemistry crossword puzzle 2025-04-24

chemistry crossword puzzle crossword puzzle
Across
  1. bonded group of substances
  2. combining substance
  3. change
  4. average warmths
  5. something that takes up space
  6. smallest substance
  7. space,the amount
  8. stuff stored in substances
  9. energy between
Down
  1. chemically combined elements
  2. change different chemical transformation
  3. combination to form structures
  4. reaction materials
  5. the science of substance
  6. combination
  7. substance that cant be broken down
  8. chemicals formed
  9. large space, no shape

18 Clues: change • combination • energy between • average warmths • chemicals formed • space,the amount • reaction materials • smallest substance • combining substance • large space, no shape • the science of substance • bonded group of substances • stuff stored in substances • chemically combined elements • something that takes up space • combination to form structures • ...

Unit 3: Chemistry of Life 2022-12-15

Unit 3: Chemistry of Life crossword puzzle
Across
  1. a process that changes one set of chemicals into another set of chemicals
  2. site location on the substrate where the enzyme attaches
  3. Giant molecules that contain carbon and are the main components of organisms
  4. a substance that speeds up the rate of a chemical reaction
  5. the chemicals that come out of a reaction
  6. a type of reaction that results in a absorption of energy
  7. measures the concentration of H+ ions
  8. the collective chemical reactions that take place in an organism
  9. a type of reaction that results in a release of energy
  10. biological catalysts that speed up a reaction
  11. large compound formed from many monomers
Down
  1. made of a glycerol molecule and a fatty acid
  2. make up all organisms
  3. reactants of an enzyme-catalyzed reaction
  4. main source of energy in most organism
  5. small unit that can join with others to form a polymer
  6. acids transmit genetic information
  7. the chemicals that go into a reaction
  8. made of amino acids
  9. site location on the enzyme where the substrate attaches

20 Clues: made of amino acids • make up all organisms • acids transmit genetic information • the chemicals that go into a reaction • measures the concentration of H+ ions • main source of energy in most organism • large compound formed from many monomers • reactants of an enzyme-catalyzed reaction • the chemicals that come out of a reaction • ...

Chemical Changes Crossword Puzzle | Science Assignment | Ethan and Micah 2023-03-28

Chemical Changes Crossword Puzzle | Science Assignment | Ethan and Micah crossword puzzle
Across
  1. Stuff gets destroyed over time
  2. 2KI(aq)+Pb(NO3)2(aq)→2KNO3(aq)+PbI2(s)
  3. UR MOTHER
  4. The chemical after change
  5. UR DEDDY
  6. Changes in a chemical reaction
  7. Water ---> Gas
  8. The chemicals before change
  9. Metal gets red
  10. Fire/Water/Air/Earth
  11. Long years, materials become rusty
  12. Rain of Acid
Down
  1. Substance with pH under 7
  2. Zn(s)+2HCl(aq)→ZnCl2(aq)+H2(g)
  3. Reaction needed for chemicals to change
  4. Reaction when rain or snow falls
  5. Substance with pH over 7
  6. Neutral substance with pH 7
  7. O2, Co2, H2, N2.
  8. Fire eating
  9. Boom
  10. H2 + O = H20

22 Clues: Boom • UR DEDDY • UR MOTHER • Fire eating • H2 + O = H20 • Rain of Acid • Water ---> Gas • Metal gets red • O2, Co2, H2, N2. • Fire/Water/Air/Earth • Substance with pH over 7 • Substance with pH under 7 • The chemical after change • Neutral substance with pH 7 • The chemicals before change • Stuff gets destroyed over time • Zn(s)+2HCl(aq)→ZnCl2(aq)+H2(g) • Changes in a chemical reaction • ...

Unit 2 2022-03-25

Unit 2 crossword puzzle
Across
  1. an organized structure
  2. hates water
  3. allows certain things to pass
  4. what comes from the reaction
  5. combination of cells
  6. molecules naturally move to lower density
  7. proteins that help your body function
  8. the diffusion of water
  9. moving molecules using energy
  10. combination of organ systems
  11. a group of atoms
  12. base of all life
Down
  1. where the chemical reaction takes place
  2. combination of many organs
  3. energy needed to cause a chemical reaction
  4. moving molecules without energy
  5. it fits into the active site
  6. loves water
  7. active site is changed
  8. basic unit of life
  9. cell membrane
  10. combination of tissue

22 Clues: hates water • loves water • cell membrane • a group of atoms • base of all life • basic unit of life • combination of cells • combination of tissue • an organized structure • active site is changed • the diffusion of water • combination of many organs • what comes from the reaction • it fits into the active site • combination of organ systems • allows certain things to pass • ...

Unit 3 Vocabulary 2024-09-24

Unit 3 Vocabulary crossword puzzle
Across
  1. symbolic representation of a chemical reaction using symbols of the elements
  2. Allows particles to escape
  3. number of atoms or molecules that an element has, written immediately after
  4. solid particles that have been separated from a solution
  5. arrow pointing to the product in an chemical equation
  6. The number of molecules in a given substance, placed in front
  7. Does not allow particles to escape
  8. Substance that is part of a chemical reaction
Down
  1. Mass in an isolated system is neither created, nor destroyed
  2. number of atoms for each element in the reaction and the product are equal
  3. an ion composed of two or more atoms
  4. Result of a chemical reaction
  5. number of atoms for each element in the reaction and product are not the same
  6. basic unit of measurement for mass in the metric system

14 Clues: Allows particles to escape • Result of a chemical reaction • Does not allow particles to escape • an ion composed of two or more atoms • Substance that is part of a chemical reaction • arrow pointing to the product in an chemical equation • basic unit of measurement for mass in the metric system • solid particles that have been separated from a solution • ...

Test Review 1 2017-09-25

Test Review 1 crossword puzzle
Across
  1. changes that occur when a substance combines with another to form a new substance
  2. properties that can be observed or measured without changing the composition of matter
  3. the direction in which energy flows when two objects are in thermal contact
  4. a substance that cannot be separated or broken down into simpler substances by chemical means; a pure substance
  5. 1000 calories
  6. a principle stating that energy cannot be created or destroyed
  7. a unit of energy in the SI system
Down
  1. the amount of heat required to raise the temp. of one gram of water
  2. changes affecting the form of a chemical substance, but not its chemical composition
  3. anything that has mass and volume
  4. mixtures that are not uniform in composition
  5. a chemical reaction that takes in energy in the form of heat
  6. a chemical reaction that releases energy in the form of heat or light
  7. properties that may only be observed and measured by performing a chemical change or chemical reaction
  8. amount of heat per unit mass required to raise the temperature by one degree celsius
  9. a substance made up of atoms of 2 or more different elements joined by chemical bonds; a pure substance
  10. energy that flows between two samples of matter due to their difference in temperature
  11. process of measuring the heat of chemical reactions or physical changes as well as heat capacity
  12. 1000 joules
  13. mixtures that are uniform in compisition (also called heterogenous)

20 Clues: 1000 joules • 1000 calories • anything that has mass and volume • a unit of energy in the SI system • mixtures that are not uniform in composition • a chemical reaction that takes in energy in the form of heat • a principle stating that energy cannot be created or destroyed • the amount of heat required to raise the temp. of one gram of water • ...

Chemical Changes Crossword Puzzle | Science Assignment | Ethan and Micah 2023-03-28

Chemical Changes Crossword Puzzle | Science Assignment | Ethan and Micah crossword puzzle
Across
  1. Stuff gets destroyed over time
  2. 2KI(aq)+Pb(NO3)2(aq)→2KNO3(aq)+PbI2(s)
  3. UR MOTHER
  4. The chemical after change
  5. UR DEDDY
  6. Changes in a chemical reaction
  7. Water ---> Gas
  8. The chemicals before change
  9. Metal gets red
  10. Fire/Water/Air/Earth
  11. Long years, materials become rusty
  12. Rain of Acid
Down
  1. Substance with pH under 7
  2. Zn(s)+2HCl(aq)→ZnCl2(aq)+H2(g)
  3. Reaction needed for chemicals to change
  4. Reaction when rain or snow falls
  5. Substance with pH over 7
  6. Neutral substance with pH 7
  7. O2, Co2, H2, N2.
  8. Fire eating
  9. Boom
  10. H2 + O = H20

22 Clues: Boom • UR DEDDY • UR MOTHER • Fire eating • H2 + O = H20 • Rain of Acid • Water ---> Gas • Metal gets red • O2, Co2, H2, N2. • Fire/Water/Air/Earth • Substance with pH over 7 • Substance with pH under 7 • The chemical after change • Neutral substance with pH 7 • The chemicals before change • Stuff gets destroyed over time • Zn(s)+2HCl(aq)→ZnCl2(aq)+H2(g) • Changes in a chemical reaction • ...

Clumsy Chemistry Crossword 2023-11-17

Clumsy Chemistry Crossword crossword puzzle
Across
  1. A chemical reaction where the reactants break down
  2. The number put before listed chemicals to balance equations
  3. The small numbers that follow listed chemicals that tell us how many there are.
  4. Replacement A chemical reaction that follows the pattern AB+CD= AD+CB
  5. Sharing of electrons between atoms
  6. A chemical reaction that is also called combination and follows the pattern A+B=C
Down
  1. The chemicals that come before the arrow and make the products
  2. The chemicals that reactants make after a reaction takes place
  3. Chemically bound elements or elements chemically mixed
  4. A chemical equation where the products are always water and carbon dioxide
  5. Element An element that cannot stand alone
  6. An atom that that has gained or lost electrons and has a positive or negative charge
  7. Replacement A chemical reaction that follows the pattern A+BC=B+AC

13 Clues: Sharing of electrons between atoms • Element An element that cannot stand alone • A chemical reaction where the reactants break down • Chemically bound elements or elements chemically mixed • The number put before listed chemicals to balance equations • The chemicals that come before the arrow and make the products • ...

Chemistry of Life Crossword 2025-11-27

Chemistry of Life Crossword crossword puzzle
Across
  1. a substance made of atoms of different elements
  2. two or more atoms bonded together
  3. substances formed by a chemical reaction
  4. attraction between different substances
  5. starting materials in a chemical reaction
  6. substances that accept hydrogen ions or release hydroxide ions
  7. energy needed to start a reaction
  8. proteins that speed up chemical reactions
  9. molecules made of amino acids
Down
  1. building blocks of nucleic acids
  2. attraction between molecules of the same substance
  3. sugars and starches used for energy
  4. a pure substance made of one type of atom
  5. the molecule an enzyme acts on
  6. fats and oils that store energy
  7. the smallest unit of matter
  8. molecule carrying genetic information
  9. substances that release hydrogen ions in solution
  10. forces that hold atoms together

19 Clues: the smallest unit of matter • molecules made of amino acids • the molecule an enzyme acts on • fats and oils that store energy • forces that hold atoms together • building blocks of nucleic acids • two or more atoms bonded together • energy needed to start a reaction • sugars and starches used for energy • molecule carrying genetic information • ...

Unit 6 - Biology 2025-03-25

Unit 6 - Biology crossword puzzle
Across
  1. react during a chemical reaction
  2. Nutrient-absorbing fingers
  3. Molecule building block
  4. Digests food
  5. Genetic characteristic
  6. Digestion: Physical food breakdown
  7. Body-building molecules
  8. Moves food through digestive tract
  9. Body's filter
Down
  1. Sun-to-food process
  2. sugars
  3. made from a chemical reaction
  4. part of digestion
  5. Cell powerhouse
  6. Complex carbohydrates
  7. Large organic molecules
  8. Gland: Spit maker
  9. Gland that makes insulin
  10. Stored fat
  11. Repeating molecule chain
  12. Intestines: Nutrient absorber

21 Clues: sugars • Stored fat • Digests food • Body's filter • Cell powerhouse • part of digestion • Gland: Spit maker • Sun-to-food process • Complex carbohydrates • Genetic characteristic • Molecule building block • Large organic molecules • Body-building molecules • Gland that makes insulin • Repeating molecule chain • Nutrient-absorbing fingers • made from a chemical reaction • ...

Science Unit 02 Vocabulary 2021-10-20

Science Unit 02 Vocabulary crossword puzzle
Across
  1. water which collects as droplets on a cold surface when humid air is in contact with it.
  2. the tiny number by the element that tells you how many atoms the element has
  3. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
  4. a reaction that causes a chemical change.
  5. the statement that says matter cannot be created or destroyed.
  6. the proccess of iron turning to rust.
  7. the minor compound in a solution.
  8. the gain of electrons by a substance.
  9. a change that affects the chemical properties of an element.
  10. absorbing thermal heat.
  11. a change in a substance that only affects physical properties.
  12. the elements on the left side of a chemical equation.
  13. the elements of the right side of a chemical equation.
  14. something that you can seperate.
Down
  1. when both sides of the chemical equation or balanced.
  2. an equation that has reactants and products.
  3. the ability of something to disolve.
  4. a mixture that its composition is spread evenly thoughout the mixture
  5. being able to disolve in other substances.
  6. the big number next to a chemical formula that tells how many molecules there are.
  7. release of thermal heat.
  8. a solid that forms after a chemical reaction.
  9. somthing that is made up of two or more different elements.
  10. a group of atoms bonded together.
  11. a mixture that its composition is spread evenly throughout the mixture.

25 Clues: absorbing thermal heat. • release of thermal heat. • something that you can seperate. • the minor compound in a solution. • a group of atoms bonded together. • the ability of something to disolve. • the proccess of iron turning to rust. • the gain of electrons by a substance. • a reaction that causes a chemical change. • being able to disolve in other substances. • ...

Conservation of Mass 2022-10-13

Conservation of Mass crossword puzzle
Across
  1. a(n) _______ chemical equation has a different number of atoms per element in the products and reactants
  2. reactants and products have the same ____. (hint: the amount of matter in an object)
  3. the big number before a compound that tells how many molecules there are
  4. in a balanced chemical equation with four Hydrogen atoms in the reactants, there would be _____ Hydrogen atoms in the products.
  5. the small number after an element/compound that tells how many atoms there are
  6. Does this chemical reaction show the conservation of mass (yes or no)? HBr + NaOH —> NaBr + OH
  7. the substances after the chemical reaction
Down
  1. the law that states that mass stays the same; ____ of mass.
  2. the amount of atoms in the reactants and products in a balanced equation is the ____.
  3. the substances before the chemical change/reaction
  4. Does this chemical reaction show the conservation of mass (yes or no)? NaCl + AgNO3 —> NaNO3 + AgCl
  5. 5CH₄ has how many Carbon atoms? (spell the number)
  6. a(n) _______ chemical equation has the same number of atoms per element in the products and reactants
  7. H₂O₂ has how many Hydrogen atoms? (spell the number)
  8. this symbol represents the chemical change happening

15 Clues: the substances after the chemical reaction • the substances before the chemical change/reaction • 5CH₄ has how many Carbon atoms? (spell the number) • H₂O₂ has how many Hydrogen atoms? (spell the number) • this symbol represents the chemical change happening • the law that states that mass stays the same; ____ of mass. • ...

Kinetics 2021-03-31

Kinetics crossword puzzle
Across
  1. ______ theory used to predict the rates of chemical reactions, particularly for gases.
  2. is fundamentally linked to the kinetic energy of atom-scale particles
  3. substance that is present at the start of a chemical reaction
  4. process releases heat, causing the temperature of the immediate surroundings to rise.
  5. is the quantity of solute present in a given quantity of solution.
Down
  1. the minimum amount of energy that is required to activate atoms or molecules to a condition in which they can undergo chemical transformation or physical transport
  2. a condition in the course of a reversible chemical reaction in which no net change in the amounts of reactants and products occurs.
  3. accompanied by or requiring the absorption of heat.
  4. is the amount of 3D space a substance or object occupies. To increase the rate of reaction, a scientist can decrease the volume which is the same thing as increasing the ______.
  5. any substance that increases the rate of a reaction without itself being consumed
  6. is a measure of the total area that the surface of the object occupies
  7. is the speed at which a chemical reaction takes place.
  8. a substance that is present at the end of a chemical reaction

13 Clues: accompanied by or requiring the absorption of heat. • is the speed at which a chemical reaction takes place. • a substance that is present at the end of a chemical reaction • substance that is present at the start of a chemical reaction • is the quantity of solute present in a given quantity of solution. • ...

Plant Processes (Unit 6) 2023-03-07

Plant Processes (Unit 6) crossword puzzle
Across
  1. the substance that gives plants their green color
  2. the response of a plant to the stimulus of gravity
  3. the amount of force the water inside a cell pushes on the cell membrane
  4. the organelle where cellular respiration takes place
  5. the ability to cause change in a system
  6. an action that changes or maintains the motion of an object
  7. the force that attracts all objects in the universe to one another
  8. the internal structure of a plant that carries water up from the roots
  9. a waste product of cellular respiration that is used in photosynthesis
Down
  1. chemical reaction that breaks down glucose and releases stored ATP
  2. a chemical reaction that allows producers to make their own food
  3. product of photosynthesis/chemical energy
  4. important substance organisms gets from food
  5. the result of a chemical reaction
  6. the organelle where photosynthesis takes place
  7. tiny openings in plant leaves where carbon dioxide enters
  8. the internal structure that carries glucose through a plant
  9. the word used for an ingredient in chemical formulas

18 Clues: the result of a chemical reaction • the ability to cause change in a system • product of photosynthesis/chemical energy • important substance organisms gets from food • the organelle where photosynthesis takes place • the substance that gives plants their green color • the response of a plant to the stimulus of gravity • ...

Madilyn Wagner Unit 2 2025-03-25

Madilyn Wagner Unit 2 crossword puzzle
Across
  1. protein
  2. takes away qualities
  3. made of lipids
  4. movement of water
  5. allows molecules to move
  6. system made of organs
  7. substrates make a chemical reaction
  8. underlying substance
  9. atoms combined
  10. single-cell individual
Down
  1. allows substances to pass
  2. failing to mix
  3. makes contranstaions
  4. cells combined
  5. tendency to mix
  6. formed to make a chemical reaction
  7. forms cells
  8. quantity of energy
  9. doesn't need energy
  10. is a basic unit of matter
  11. organelle combined

21 Clues: protein • forms cells • failing to mix • cells combined • made of lipids • atoms combined • tendency to mix • movement of water • quantity of energy • organelle combined • doesn't need energy • takes away qualities • makes contranstaions • underlying substance • system made of organs • single-cell individual • allows molecules to move • allows substances to pass • is a basic unit of matter • ...

Makenzi Macromolecule 2020-11-21

Makenzi Macromolecule crossword puzzle
Across
  1. the act of chewing
  2. chain of nucleotides which stores genetic information in biological systems
  3. consisting of molecules oxygen
  4. part of an enzyme or antibody where a chemical reaction occurs
  5. Sulphur, Phosphorus, Oxygen, Nitrogen, Carbon, and Hydrogen
  6. particle of matter that uniquely defines a chemical element they are composed of electrons protons and neutrons
  7. a large gland in the body that has a rich blood supply, secretes bile, and helps in storing some nutrients and in forming some body wastes
  8. the natural opening through which food passes into the body
  9. substance that speeds up a chemical reaction, but is not consumed by the reaction
  10. small pouch that sits just under the liver, it stores bile
  11. enzyme made in the stomach that breaks down proteins in food during digestion
Down
  1. group of enzymes that catalyze the hydrolytic degradation of proteins or polypeptides to smaller amino acid polymers.
  2. a very large molecule, as a colloidal particle, protein, or especially a polymer, composed of hundreds or thousands of atoms.
  3. type of protein made by your pancreas, an organ located near your stomach.
  4. group of enzymes that catalyze the hydrolysis of starch and glycogen
  5. a chemical reaction characterized by or causing the liberation or release of heat.
  6. a chemical reaction during which there is absorption of heat.
  7. energy forms or breaks the bonds of reactant molecules.
  8. a molecule upon which an enzyme acts, bonds with the enzyme active site
  9. milky bodily fluid that forms in the small intestine.

20 Clues: the act of chewing • consisting of molecules oxygen • milky bodily fluid that forms in the small intestine. • energy forms or breaks the bonds of reactant molecules. • small pouch that sits just under the liver, it stores bile • Sulphur, Phosphorus, Oxygen, Nitrogen, Carbon, and Hydrogen • the natural opening through which food passes into the body • ...

Robert Pennington chapter 13 2020-10-19

Robert Pennington chapter 13 crossword puzzle
Across
  1. reaction there is a net release of energy.
  2. only having one individual joining a team.
  3. having two atom switching partners.
  4. no atom are gained or lost during any reaction.
  5. chemical that donates a hydrogen ion.
  6. reaction there is a net absorption of energy.
  7. a substance that lowers the activation energy of a chemical reaction.
Down
  1. some compound combining with oxygen.
  2. how quickly the concetration of reactants decreases.
  3. when reactions and its reverse act the same rate.
  4. chemical that accepts a hydrogen ion
  5. the amount of energy to break the bonds.
  6. building reaction, combining the molecoles.

13 Clues: having two atom switching partners. • some compound combining with oxygen. • chemical that accepts a hydrogen ion • chemical that donates a hydrogen ion. • the amount of energy to break the bonds. • reaction there is a net release of energy. • only having one individual joining a team. • building reaction, combining the molecoles. • ...

Chapter 6 Metabolism Vocabulary 2024-03-07

Chapter 6 Metabolism Vocabulary crossword puzzle
Across
  1. Any chemical reaction in which the oxidation number of a molecule, atom, or ion changes by gaining or losing an electron
  2. The breakdown of complex molecules
  3. Stored energy that can be used to do work
  4. Model proposing that the binding of a substrate or some other molecule to an enzyme causes a change in the shape of the enzyme so as or enhance or inhibit its activity
  5. Energy assciated with objects in motion
  6. A biological catalyst and is almost always a protein
  7. A reaction that requires energy to be driven
  8. End substances after a biological process had occurred
  9. A series of connected chemical reactions that feed on another
  10. When a molecule binds an enzyme and prevents it from carrying out a chemical reaction
  11. The substances which participate in a chemical reactions.
  12. Total energy in a closed system is neither lost nor gained- it is only transformed
  13. The minimum amount of extra energy required by a reacting molecule to get converted into a product
  14. The source of energy for use and storage at the cellular level
Down
  1. Reactions that have a negative change in free energy and consequently release free energy
  2. A biological molecules consisting of one adenine one sugar and two phosphates
  3. The specific region of a substrate binds and catalysis takes place where chemical reactions occurs
  4. Catalytically active RNA molecules or RNA-protein complexes in which solely the RNA provides catalytic activity
  5. A thermodynamic quantity representing the unavailability of a system's thermal energy for conversion into mechanical work
  6. An organic molecule that binds to the active sites of certain enzymes to resist in the catalysis of a reaction
  7. A biochemical process in metabolism where the simple molecules combine to generate complex molecules.
  8. Chemical reaction with a common intermediate in which energy is transferred from one side of the reaction to the other
  9. The chemical reactions in the body's cells that change food into energy
  10. The ability to do work
  11. A measure of energy that is available to do work
  12. A nutrient that the body needs in small amount to function and stay healthy
  13. A non-protein chemical compound that is bound to a protein and is required for the protein's biological activity

27 Clues: The ability to do work • The breakdown of complex molecules • Energy assciated with objects in motion • Stored energy that can be used to do work • A reaction that requires energy to be driven • A measure of energy that is available to do work • A biological catalyst and is almost always a protein • End substances after a biological process had occurred • ...

Chapter 6 Metabolism Vocabulary 2024-03-07

Chapter 6 Metabolism Vocabulary crossword puzzle
Across
  1. Any chemical reaction in which the oxidation number of a molecule, atom, or ion changes by gaining or losing an electron
  2. The breakdown of complex molecules
  3. Stored energy that can be used to do work
  4. Model proposing that the binding of a substrate or some other molecule to an enzyme causes a change in the shape of the enzyme so as or enhance or inhibit its activity
  5. Energy assciated with objects in motion
  6. A biological catalyst and is almost always a protein
  7. A reaction that requires energy to be driven
  8. End substances after a biological process had occurred
  9. A series of connected chemical reactions that feed on another
  10. When a molecule binds an enzyme and prevents it from carrying out a chemical reaction
  11. The substances which participate in a chemical reactions.
  12. Total energy in a closed system is neither lost nor gained- it is only transformed
  13. The minimum amount of extra energy required by a reacting molecule to get converted into a product
  14. The source of energy for use and storage at the cellular level
Down
  1. Reactions that have a negative change in free energy and consequently release free energy
  2. A biological molecules consisting of one adenine one sugar and two phosphates
  3. The specific region of a substrate binds and catalysis takes place where chemical reactions occurs
  4. Catalytically active RNA molecules or RNA-protein complexes in which solely the RNA provides catalytic activity
  5. A thermodynamic quantity representing the unavailability of a system's thermal energy for conversion into mechanical work
  6. An organic molecule that binds to the active sites of certain enzymes to resist in the catalysis of a reaction
  7. A biochemical process in metabolism where the simple molecules combine to generate complex molecules.
  8. Chemical reaction with a common intermediate in which energy is transferred from one side of the reaction to the other
  9. The chemical reactions in the body's cells that change food into energy
  10. The ability to do work
  11. A measure of energy that is available to do work
  12. A nutrient that the body needs in small amount to function and stay healthy
  13. A non-protein chemical compound that is bound to a protein and is required for the protein's biological activity

27 Clues: The ability to do work • The breakdown of complex molecules • Energy assciated with objects in motion • Stored energy that can be used to do work • A reaction that requires energy to be driven • A measure of energy that is available to do work • A biological catalyst and is almost always a protein • End substances after a biological process had occurred • ...

Unit 2 Vocabulary 2022-10-04

Unit 2 Vocabulary crossword puzzle
Across
  1. A subatomic particle which orbits the nucleus, with almost no mass and a negative charge
  2. A chemical reaction in which one reactant becomes multiple products
  3. A subatomic particle located in the nucleus, with a mass of 1 AMU and a positive charge
  4. A substance that cannot be broken down into simpler substances by any physical or chemical means
  5. The central part of an atom, containing protons and neutrons
  6. A material that decreases the rate of a chemical reaction
  7. A chemical reaction in which multiple reactants become a single product
Down
  1. A chemical bond in which the atoms share pairs of valence electrons
  2. The smallest particle of an element
  3. A measure of how strongly an atom pulls on electrons
  4. A substance made of several elements joined by chemical bonds in a specific ratio
  5. A material that increases the rate of a chemical reaction by lowering the activation energy
  6. A subatomic particle located in the nucleus, with a mass of 1 AMU and no charge (neutral)
  7. The electrons farthest from the nucleus, which are responsible for chemical reactions
  8. An atom which has lost or gained electrons, thereby becoming positively or negatively charged

15 Clues: The smallest particle of an element • A measure of how strongly an atom pulls on electrons • A material that decreases the rate of a chemical reaction • The central part of an atom, containing protons and neutrons • A chemical bond in which the atoms share pairs of valence electrons • A chemical reaction in which one reactant becomes multiple products • ...

vocab 2022-09-06

vocab crossword puzzle
Across
  1. closed system
  2. malleability
  3. chemical change
  4. element
  5. open system
  6. flammability
  7. ductility
  8. luster
  9. exothermic reaction
  10. matter
Down
  1. solubility
  2. heterogeneous mixture
  3. substance pure substance
  4. mixture
  5. homogeneous mixture
  6. physical change
  7. Insoluble
  8. endothermic reaction
  9. solution
  10. compound

20 Clues: luster • matter • mixture • element • solution • compound • Insoluble • ductility • solubility • open system • malleability • flammability • closed system • chemical change • physical change • homogeneous mixture • exothermic reaction • endothermic reaction • heterogeneous mixture • substance pure substance

Elements, Compounds, Mixture, and Molecules 2025-09-19

Elements, Compounds, Mixture, and Molecules crossword puzzle
Across
  1. A chemical substance that start of a chemical reaction
  2. A pure Substance that cannot be broken down into any other substance by chemical or physical means
  3. Basic particle from which all elements are made
  4. anything that has mass and takes up space
  5. A representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products
  6. 2 or more atoms from different elements bonded together in a set ratio
  7. A number in front of a chemical formula in an equation that includes how many molecules or atoms of each reactant and product are involved in a reaction.
  8. 2 or more atoms from the same element bonded together
  9. A sample of matter, either a single element or a single compound, that has definite chemical and physical proprieties
Down
  1. A mixture in which you can see different parts
  2. Shows the elements in a compound and the set of a ratio of the atoms
  3. A substance produced in a chemical reaction
  4. 2 or more substances
  5. number written below chemical symbol that tells how many atoms of that element
  6. Mixture in which substance mixed together but NOT chemically bonded

15 Clues: 2 or more substances • anything that has mass and takes up space • A substance produced in a chemical reaction • A mixture in which you can see different parts • Basic particle from which all elements are made • 2 or more atoms from the same element bonded together • A chemical substance that start of a chemical reaction • ...

Science Crossword Puzzle 2025-02-07

Science Crossword Puzzle crossword puzzle
Across
  1. a basic unit of a chemical element
  2. of Conservation of energy energy is neither created nor destroyed
  3. the amount of specific substance
  4. a connection between two surfaces
  5. Energy the energy combined within a system that's responsible for its temperature
  6. the substance that are formed as an result of a chemical reaction
  7. Reactions ionic structure of a substance
Down
  1. Reaction A chemical reaction that releases energy by light or heat
  2. a substance that undergoes a chance to form a new substance called "products"
  3. Potential Energy the energy stored in the chemical bonds of a substance
  4. Reaction any chemical reaction that absorbs heat from it's environment
  5. a substance that is dissolved in a solution

12 Clues: the amount of specific substance • a connection between two surfaces • a basic unit of a chemical element • a substance that is dissolved in a solution • Reactions ionic structure of a substance • the substance that are formed as an result of a chemical reaction • of Conservation of energy energy is neither created nor destroyed • ...

Chem-E-Cross 2023-02-02

Chem-E-Cross crossword puzzle
Across
  1. The unit of an NMR spectrum on the X-axis is
  2. The general formula for noncyclic alkenes is?
  3. Chemical kinetics is studied to find out?
  4. S(s) + O2(g) à So2.The state of SO2 in this reaction is ?
  5. Which element is always present in Arrhenius acid ?
  6. India has largest deposits of ____ in the world.
  7. IUPAC name of (CH3)2CH - CH=CH - CH3 is
  8. Substances do not show acidic properties without which compound ?
  9. reaction between an Acid and a Base is called ___________ reaction
  10. The IUPAC name of acetyl salicylic acid is
Down
  1. Which acid is found in a nettle plant?
  2. Alums are an example of ______.
  3. Chemical name of ‘oil of vitriol’ is
  4. Those substances whose smell (or odor) changes in acidic or basic solution are called _______indicators.
  5. name the National Heritage Animal of India?
  6. The 'Black flag' signifies
  7. The 2006 World Cup Football Tournament held in
  8. Name the longest river on the Earth?
  9. india's first satellite is named after
  10. The rate of a chemical reaction doubles for every 10°C rise in temperature. If the temperature is raised by 50°C, the rate of the reaction increases by about.

20 Clues: The 'Black flag' signifies • Alums are an example of ______. • Chemical name of ‘oil of vitriol’ is • Name the longest river on the Earth? • Which acid is found in a nettle plant? • IUPAC name of (CH3)2CH - CH=CH - CH3 is • Chemical kinetics is studied to find out? • The IUPAC name of acetyl salicylic acid is • The unit of an NMR spectrum on the X-axis is • ...

WS 2 2022-01-26

WS 2 crossword puzzle
Across
  1. an organic reaction where two or more molecules combine to form a larger one
  2. a molecular fragment that departs with a pair of electrons in heterolytic bond cleavage
  3. Show movement of single electrons during the breaking of a bond
  4. chemical reaction during which one functional group in a chemical compound is replaced by another functional group
  5. consist of only hydrogens and carbons, creates rings
  6. shows various electron pairs moving around
  7. open chain compounds, whether straight or branched, has no rings of any type
  8. an atom or molecule that in a chemical reaction seeks an atom or molecule containing an electron pair available for bonding
Down
  1. consists of the simplest whole number ratio of atoms present in a compound
  2. two molecules combine to form a single molecule
  3. two stage reaction process of an addition reaction followed by elimination reaction
  4. a compound whose molecule has the same number of atoms of each elements but different bonds
  5. compounds that contain exactly the same # of atoms, different arrangement
  6. a reactant that provides a pair of electrons to form a new covalent bond
  7. substance added to a system to cause a chemical reaction

15 Clues: shows various electron pairs moving around • two molecules combine to form a single molecule • consist of only hydrogens and carbons, creates rings • substance added to a system to cause a chemical reaction • Show movement of single electrons during the breaking of a bond • a reactant that provides a pair of electrons to form a new covalent bond • ...

Chemical Reactions 2023-01-31

Chemical Reactions crossword puzzle
Across
  1. The substance that is dissolved in a solution.
  2. The substance formed during a reaction.
  3. The starting substance in a chemical reaction.
  4. The number written in front of a reactant or product.
  5. A and B combine to form AB.
  6. A replacement reaction where the atoms of one element replace the atoms of another element in a compound.
  7. A solid produced during a chemical reaction.
  8. The norm our class is currently in.
Down
  1. AB breaks down to A and B.
  2. The solvent used in an aqueous solution.
  3. The chemical process where atoms of one substance are rearranged into different substances.
  4. Oxygen combines with a substance and releases energy in the form of heat and light.
  5. A replacement reaction where ions are exchanged between two compounds.
  6. The substance that is more plentiful in a solution.
  7. Milk was combined with this during our in class demonstration.

15 Clues: AB breaks down to A and B. • A and B combine to form AB. • The norm our class is currently in. • The substance formed during a reaction. • The solvent used in an aqueous solution. • A solid produced during a chemical reaction. • The substance that is dissolved in a solution. • The starting substance in a chemical reaction. • ...

General Chemistry 2 2025-02-23

General Chemistry 2 crossword puzzle
Across
  1. Is the transfer of thermal energy between two bodies that are a different temperatures and is not equal to thermal energy.
  2. Occur from an ordered state to a more random arrangement
  3. Is a mathematical expression that show how the rate of reaction depends on the concentration of the reactants
  4. Is a thermodynamic term used to refer to the maximum work available for a process until the system comes into equilibrium with its surroundings
  5. Speed up the rate o a chemical reaction by providing an alternate route for the reaction to occur with lower activation energy
  6. Explains why different reactions occur at different rates and suggests ways to change the rate of reaction
  7. Are solid featuring highly ordered arrangement of their particles
  8. Is of the same phase as that of the reactants products
  9. Is the study of energy or heat flow that accompanies a chemical reaction and/or physical transformation.
  10. Equation A chemical equation that shows the value and direction of heat involved in reactions
  11. Measures the flow of energy (as heat) between the system and its surroundings
  12. Uses a catalyst that is of different phase that of the reactants and products
Down
  1. The scientific study of the interaction of heat and other types of energy
  2. Is the difference between the energy of the transition state and the energy of the reactants
  3. Are solidsin which the particle are not arrange in any specific order
  4. A process called seeding
  5. Are particles that ionize in a solutions
  6. Has an appreciable effect on the solubility of gas-liquid solutions, but has no affect on the solubility of solid salts to water
  7. Only tells wether a reaction will occur or not.
  8. Is a process though which a solvent flows though a semipermeable membrane
  9. Is an insulator apparatus that contains water or any liquid of known heat capacity
  10. Law States that the total enthalpy of a chemical reaction is the sum of the enthalpy changes for the steps of the reaction
  11. Having lower concentration of solute than other osmotic pressure than a surrounding medium
  12. Is the study of the rate of chemical reactions,including the mechanism by which a reaction occurs and the different factors that affects it
  13. Is the amount of pressure required to stop osmosis
  14. Is the force used to transfer energy between a system and its surroundings and is needed to create heat and the transfer of thermal energy
  15. Having a higher concentration of solutes than another solution or having excessive tension
  16. Is the part of the universe being studied to which attention is focused
  17. Is a measure of molecular randomness or disorder
  18. Is the study of tquantitative relationshiphip between reactants in a chemical reactions
  19. The amount of heat absorbed or released by a chemical reaction at constant atmospheric pressure.

31 Clues: A process called seeding • Are particles that ionize in a solutions • Only tells wether a reaction will occur or not. • Is a measure of molecular randomness or disorder • Is the amount of pressure required to stop osmosis • Is of the same phase as that of the reactants products • Occur from an ordered state to a more random arrangement • ...

Ava Fogarty's CrossWord 2024-05-15

Ava Fogarty's CrossWord crossword puzzle
Across
  1. attractive force acting between two adjacent portions of a substance
  2. that is composed of two or more separate elements
  3. the quantitative property that is transferred to a body or to a physical system
  4. substance that cannot be broken down
  5. substance that can be observed in a chemical reaction
  6. basic particles of the chemical elements
  7. starting materials in a reaction
  8. the amount of space the object takes up
Down
  1. appearance or form of the matter changes but the kind of matter
  2. natural science that deals principally with the properties of substances
  3. quantitatively expresses the attribute of hotness or coldness.
  4. leads to the chemical transformation of one set of chemical substances
  5. energy that is transferred from one body to another
  6. compound made up of two or more chemical components
  7. one or more substances, the reactants, are converted to one or more different substances
  8. anything that takes up space and can be weighed
  9. smallest particle of a substance
  10. attraction between atoms

18 Clues: attraction between atoms • smallest particle of a substance • starting materials in a reaction • substance that cannot be broken down • the amount of space the object takes up • basic particles of the chemical elements • anything that takes up space and can be weighed • that is composed of two or more separate elements • energy that is transferred from one body to another • ...

Grade 9 Chemistry 2023-11-22

Grade 9 Chemistry crossword puzzle
Across
  1. A type of fuel
  2. This is formed when charcoal burns
  3. How many electrons fit in the first shell
  4. This material can be used instead of glass to measure temperature changes in chemical reactions
  5. This is formed with the combustion of hydrogen
  6. An element with the chemical symbol Si
  7. Rusting is this type of reaction
  8. This is needed for combustion
  9. These are found inside the nucleus
  10. One of the noble gases
  11. This is where you find electrons
  12. An element with the chemical symbol Be
  13. Dissolving this chemical is an endothermic process
  14. In an exothermic reaction the temperature .........
  15. Group 1 elements are known as the......
  16. The chemical name for rust
  17. He discovered the electron
Down
  1. This substance added to citric acid is an endothermic reaction
  2. In an endothermic reaction, the temperature .......
  3. These atomic particles have no charge
  4. Group 8 elements are known as .........
  5. Group 7 elements are known as the........
  6. A type of fuel
  7. This is formed when calcium reacts with hydrochloric acid
  8. He discovered the proton
  9. These are on the left-hand side of the Periodic Table
  10. One of the alkali metals
  11. These are found on the right-hand side of the Periodic Table
  12. 20% of the air is this gas
  13. An example of an endothermic process
  14. How many electrons fit in the second shell

31 Clues: A type of fuel • A type of fuel • One of the noble gases • He discovered the proton • One of the alkali metals • 20% of the air is this gas • The chemical name for rust • He discovered the electron • This is needed for combustion • Rusting is this type of reaction • This is where you find electrons • This is formed when charcoal burns • These are found inside the nucleus • ...

Ch. 11 Vocab - Chemistry I 2022-03-04

Ch. 11 Vocab - Chemistry I crossword puzzle
Across
  1. - small whole numbers that are placed in front of the formulas in an equation in order to balance it
  2. -chemical equation that does not indicate the relative amounts of the reactants and products
  3. -representation of a chemical reaction
  4. -a chemical change in which two or more substances react to form a single new substance
  5. -a chemical change involving an exchange of positive ions between two compounds
  6. - a chemical change in which an element or a compound reacts with oxygen, often producing energy in the form of heat or light
Down
  1. -in which each side of the equation has the same number of atoms of each element and mass is conserved
  2. -a chemical change in which a single compound breaks down into or more simpler products
  3. -a chemical change in which one element replaces a second element in a compound
  4. -lists metals in order of decreasing activity
  5. -a substance that speeds up the reaction but is not used up in the reaction

11 Clues: -representation of a chemical reaction • -lists metals in order of decreasing activity • -a substance that speeds up the reaction but is not used up in the reaction • -a chemical change in which one element replaces a second element in a compound • -a chemical change involving an exchange of positive ions between two compounds • ...

Chemistry Crossword 2017-11-07

Chemistry Crossword crossword puzzle
Across
  1. catalyst involved in chemical reactions in living things
  2. pure substance formed when at least one metal and one non-metal combine
  3. ability of a substance to conduct electricity or heat
  4. change that results when two or more substances react to create a different substance or substances; the new substances have completely different properties from the original ones
  5. the smallest part of an element that is representative of that element; a neutral particle made up of a nucleus containing protons and neutrons, and in which the number of electrons equals the number of protons
  6. group 2 elements in the periodic table; their reactivity is not as strong as that of the alkali metals
  7. mass of one atom of an element calculated from the total number of protons,neutrons, and electrons of that atom; measured in atomic mass units (amu)
  8. an experiment in which one or more products of a chemical reaction can escape
  9. description of a solid that can be stretched into a long wire
  10. reaction that takes place when two or more substances react to form new substances
  11. measure of atomic mass; 1 amu is equal to 1/12th the mass of a carbon 12 atom
  12. of mass principle that matter is not created or destroyed in a chemical reaction; the mass of the products always equals the mass of the reactants
  13. pure substance that cannot be broken down into other substances; substance made up of only one type of atom
Down
  1. an experiment in which all reactants and all products of a chemical reaction are accounted for
  2. a material that electric charge can move through easily
  3. description of how a substance interacts with other substances, such as acids;chemical properties are observable only when a chemical change occurs
  4. chemical reaction that absorbs energy
  5. atom that has become electrically charged because it has lost or gained electrons; a positive ion is an atom that has lost one or more electrons;a negative ion is an atom that has gained one or more electrons
  6. combination of symbols that represent a compound; the formula identifies the elements in the compound and the amount of each element
  7. group 1 elements in the periodic table, not including hydrogen; the most reactive of the metals
  8. chemical reaction that releases energy
  9. chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
  10. number of protons in the nucleus of one atom of an element
  11. group 17 elements in the periodic table;the most reactive non-metals
  12. invisible negatively charged particle that orbits the nucleus of an atom

25 Clues: chemical reaction that absorbs energy • chemical reaction that releases energy • ability of a substance to conduct electricity or heat • a material that electric charge can move through easily • catalyst involved in chemical reactions in living things • number of protons in the nucleus of one atom of an element • ...

Chemical & Physical Changes 2024-02-15

Chemical & Physical Changes crossword puzzle
Across
  1. How an object looks and feels
  2. Reaction between iron and oxygen/produces rust
  3. New substance formed after chemical reaction
  4. Change that results in a new substance
  5. Added to cause a chemical reaction/gets used up
Down
  1. Things about an object that determine how it reacts
  2. Change in size, shape, color of object
  3. One chemical change causes others to occur
  4. Added to cause a chemical reaction
  5. Makes up objects/held together with strong bonds

10 Clues: How an object looks and feels • Added to cause a chemical reaction • Change in size, shape, color of object • Change that results in a new substance • One chemical change causes others to occur • New substance formed after chemical reaction • Reaction between iron and oxygen/produces rust • Added to cause a chemical reaction/gets used up • ...

Science Cross Word 2025-02-07

Science Cross Word crossword puzzle
Across
  1. a basic unit of a chemical element
  2. of Conservation of energy energy is neither created nor destroyed
  3. the amount of specific substance
  4. a connection between two surfaces
  5. Energy the energy combined within a system that's responsible for its temperature
  6. the substance that are formed as an result of a chemical reaction
  7. Reactions ionic structure of a substance
Down
  1. Reaction A chemical reaction that releases energy by light or heat
  2. a substance that undergoes a chance to form a new substance called "products"
  3. Potential Energy the energy stored in the chemical bonds of a substance
  4. Reaction any chemical reaction that absorbs heat from it's environment
  5. a substance that is dissolved in a solution

12 Clues: the amount of specific substance • a connection between two surfaces • a basic unit of a chemical element • a substance that is dissolved in a solution • Reactions ionic structure of a substance • the substance that are formed as an result of a chemical reaction • of Conservation of energy energy is neither created nor destroyed • ...

Chemistry Unit Review 2015-03-03

Chemistry Unit Review crossword puzzle
Across
  1. A way of expressing information about a chemical reaction using chemical element symbols, numbers, and symbols like (), +, and →.
  2. Elements left of the metalloid "staircase" on the periodic table; they are malleable, shiny, conduct heat and electrical current, and all but one are solids at room temperature
  3. A chemical bond that involves the electrostatic attraction between oppositely charged ions.
  4. A number, figure, symbol, or indicator that is smaller than the normal line of type and is set slightly below it. Represent how many atoms of a certain type are in a molecule.
  5. The idea that, in physical changes and chemical reactions, matter can not be created or destroyed.
  6. Donates OH- when in water, is bitter, corrodes tissues, turns red litmus blue.
  7. A reaction where one single compound breaks down into two or more simple chemicals.
  8. A material or liquid that will change to a known color when in the presence of a certain pH.
  9. When a substance (or a few substances) change into another substance. The number and types of atoms are the same, but they are bonded together differently than before.
  10. A substance that decomposes rapidly under certain conditions with the production of gases, which expand by the heat of the reaction. The energy released is used in firearms, blasting, and rocket propulsion
  11. A chemical reaction where one component each of both the reacting molecules is switched to form the products.
  12. A substance that is altered or incorporated into another substance in a chemical reaction. What you start with.
  13. A group of elements with similar chemical properties. These tend to be associated with the vertical columns on the periodic table.
  14. A system of information and labels related to hazardous materials designed to ensure the safety of employers and employees while at the workplace.
  15. The elements on the right of the periodic table; they are brittle, do not conduct heat or electric current, and can be solids, liquids, or gases at room temperature.
Down
  1. A type of double displacement reaction in which a strong acid and strong base react with each other to form water and salt.
  2. A chemical equation that has coefficients to show how many of molecules of the reactants and the products are needed in order to conserve mass is described as this.
  3. A sheet of information about the composition and properties of a chemical substance, as well as steps for handing and storing it safety.
  4. A reaction where two or more chemicals combine to form a more complex product.
  5. Icons that appear on household product labels to warn of possible dangers such as explosive, corrosive, flammable or poisonous.
  6. A type of chemical reaction where a single element or ion moves out of one compound and into another - that is, one element is replaced by another in a compound.
  7. The rows in the periodic table are also known as this.
  8. Donates H+ when in water, is sour, corrodes metal and tissues, turns blue litmus red.
  9. Material that ignites easily and burns rapidly with a flame.
  10. A substance used to neutralize acidity, especially in the stomach
  11. A chemical bond that involves the sharing of electron pairs between atoms.
  12. An atom or molecule with a net electric charge due to the loss or gain of one or more electrons.
  13. A scale ranging from 0 to 14, reflecting the concentration of hydrogen ions in solution (how acidic/basic a substance is).
  14. A substance that will destroy and damage other substances with which it comes into contact.
  15. A way of expressing information about a chemical reaction using words and symbols like + and →.
  16. A number written in front of a chemical formula in a balanced chemical equation to show how many of that atom or molecule are present.
  17. A way of expressing information about a chemical (molecule or ion) using chemical element symbols, numbers, and symbols like (), +, and -.
  18. A solution containing a relatively small quantity of solute as compared with the amount of solvent. For example, if you add a lot of water to juice, it becomes this.
  19. The substance(s) that are created during a chemical reaction. The end result.
  20. A substance that is capable of causing the illness or death of a living organism when introduced or absorbed.

35 Clues: The rows in the periodic table are also known as this. • Material that ignites easily and burns rapidly with a flame. • A substance used to neutralize acidity, especially in the stomach • A chemical bond that involves the sharing of electron pairs between atoms. • The substance(s) that are created during a chemical reaction. The end result. • ...

PHYSICAL AND CHEMICAL CHANGES 2017-09-22

PHYSICAL AND CHEMICAL CHANGES crossword puzzle
Across
  1. A change in which a new substance is formed.
  2. A solid in which atoms are arranged in a regular pattern.
  3. The new substance formed in a chemical reaction.
  4. Substance formed when two chemicals in solution form react and settles down.
  5. It is caused during exothermic reaction.
  6. The original substance participating in a chemical reaction.
  7. The process of depositing a layer of zinc on iron.
  8. A change in which no new substance is formed.
  9. Reaction in which a compound breaks up into two or more substance.
Down
  1. A commonly used technique for the purification of substance.
  2. It is caused during endothermic reaction.
  3. Substance when formed when iron is exposed to moist iron.
  4. Reaction in which two or more substances combine to form a single substance.
  5. It is also called chemical change.

14 Clues: It is also called chemical change. • It is caused during exothermic reaction. • It is caused during endothermic reaction. • A change in which a new substance is formed. • A change in which no new substance is formed. • The new substance formed in a chemical reaction. • The process of depositing a layer of zinc on iron. • ...

Chemical reaction&Physical 2013-05-07

Chemical reaction&Physical crossword puzzle
Across
  1. From solid to Liquid
  2. Two Element or more bonds together
  3. a mixture of a metal
  4. 1a
  5. soft metal
  6. one of the magnetic metal
Down
  1. I am 100% c
  2. From gas to Liquid
  3. Two atom bond together
  4. the smallest particles
  5. H2O

11 Clues: 1a • H2O • soft metal • I am 100% c • From gas to Liquid • From solid to Liquid • a mixture of a metal • Two atom bond together • the smallest particles • one of the magnetic metal • Two Element or more bonds together

Chemical Reaction Vocabulary 2021-04-05

Chemical Reaction Vocabulary crossword puzzle
Across
  1. This is the ending substance that is made during a chemical reaction.
  2. All the stuff in the world is made up of this.
  3. Can be an object, diagram,or computer program that makes something easier/simpler.
  4. This is a process in which atoms rearrange to form new substances.
  5. To change up the order or position of.
Down
  1. Numbers and letters that show the types and number of atoms that repeat to make up a substance.
  2. A group of atoms joined in a particular way.
  3. This substance helps plants grow.
  4. Something that is made of all the same atoms or groups of atoms.
  5. The relative size of something.
  6. The temperature at which a substance changes from the liquid phase to the gas phase.

11 Clues: The relative size of something. • This substance helps plants grow. • To change up the order or position of. • A group of atoms joined in a particular way. • All the stuff in the world is made up of this. • Something that is made of all the same atoms or groups of atoms. • This is a process in which atoms rearrange to form new substances. • ...

Chemical Reaction Vocabulary 2021-04-05

Chemical Reaction Vocabulary crossword puzzle
Across
  1. This is the ending substance that is made during a chemical reaction.
  2. All the stuff in the world is made up of this.
  3. Can be an object, diagram,or computer program that makes something easier/simpler.
  4. This is a process in which atoms rearrange to form new substances.
  5. To change up the order or position of.
Down
  1. Numbers and letters that show the types and number of atoms that repeat to make up a substance.
  2. A group of atoms joined in a particular way.
  3. This substance helps plants grow.
  4. Something that is made of all the same atoms or groups of atoms.
  5. The relative size of something.
  6. The temperature at which a substance changes from the liquid phase to the gas phase.

11 Clues: The relative size of something. • This substance helps plants grow. • To change up the order or position of. • A group of atoms joined in a particular way. • All the stuff in the world is made up of this. • Something that is made of all the same atoms or groups of atoms. • This is a process in which atoms rearrange to form new substances. • ...

IPC Crossword #2 2025-09-02

IPC Crossword #2 crossword puzzle
Across
  1. – Substance present before a chemical reaction.
  2. – Distance from crest to crest of a wave.
  3. – Change in velocity over time.
  4. – Ability to do work.
  5. – Height of a wave.
  6. of Conservation of Energy – Energy cannot be created or destroyed, only changed.
  7. First Law – An object in motion stays in motion unless acted on.
  8. Energy – Stored energy.
  9. – Force applied over a distance.
  10. Bond – Bond formed when atoms share electrons.
  11. Formula – Symbols showing the elements in a compound.
  12. – Substance with a pH below 7.
  13. Second Law – Force equals mass times acceleration (F=ma).
  14. – Substance formed after a chemical reaction.
  15. – Path through which electric current flows.
Down
  1. – Reaction that absorbs heat energy.
  2. – Force that resists motion between surfaces.
  3. – Number of waves that pass a point in a second.
  4. – Reaction between an acid and a base.
  5. – Rate of doing work.
  6. Energy – Energy of motion.
  7. – Reaction that releases heat energy.
  8. – Repeating disturbance that transfers energy.
  9. – Mass times velocity.
  10. Bond – Bond formed when electrons are transferred.
  11. – Tendency of an object to resist a change in motion.
  12. Third Law – For every action, there is an equal and opposite reaction.
  13. – Substance with a pH above 7.
  14. – Speed in a given direction.
  15. – A push or pull on an object.

30 Clues: – Height of a wave. • – Rate of doing work. • – Ability to do work. • – Mass times velocity. • Energy – Stored energy. • Energy – Energy of motion. • – Speed in a given direction. • – Substance with a pH above 7. • – Substance with a pH below 7. • – A push or pull on an object. • – Change in velocity over time. • – Force applied over a distance. • – Reaction that absorbs heat energy. • ...

vocab 2022-09-06

vocab crossword puzzle
Across
  1. closed system
  2. malleability
  3. chemical change
  4. element
  5. open system
  6. flammability
  7. ductility
  8. luster
  9. exothermic reaction
  10. matter
Down
  1. solubility
  2. heterogeneous mixture
  3. substance pure substance
  4. mixture
  5. homogeneous mixture
  6. physical change
  7. Insoluble
  8. endothermic reaction
  9. solution
  10. compound

20 Clues: luster • matter • mixture • element • solution • compound • Insoluble • ductility • solubility • open system • malleability • flammability • closed system • chemical change • physical change • homogeneous mixture • exothermic reaction • endothermic reaction • heterogeneous mixture • substance pure substance

Jack Etue- Chapter 13 2016-10-12

Jack Etue- Chapter 13 crossword puzzle
Across
  1. Any substance that increases the rate of a chemical reaction without itself being consumed by the reaction
  2. A measure of the acidity of a solution
  3. Description of a chemical reaction in which there is a net release of energy
  4. The reacting substances in a chemical reaction
  5. The process by which a reactant loses one or more elctrons
  6. Description of a solution in which the hydronium ion concentration is higher than the hydroxide ion concentration
  7. Description of a chemical reaction in which there is a net absorption of energy
  8. A polyatomic ion made by removing a proton from a water molecule
Down
  1. A substance that accepts hydrogen ions.
  2. The deterioration of a metal,typically caused by atmospheric oxygen
  3. A substance that donates hydrogen ions
  4. A rapid exothermic oxidation-reduction reaction between a material and molecular oxygen
  5. a polyatomic ion made by adding a proton to a water molecule
  6. Description of a solution in which the hydronium ion concentration is equal to the hydroxide ion concentration
  7. A solution in which the hydroxide ion concentration is higher than the hydronium ion concentration;aka alkaline

15 Clues: A substance that donates hydrogen ions • A measure of the acidity of a solution • A substance that accepts hydrogen ions. • The reacting substances in a chemical reaction • The process by which a reactant loses one or more elctrons • a polyatomic ion made by adding a proton to a water molecule • A polyatomic ion made by removing a proton from a water molecule • ...

Chemistry Crossword 2022-11-24

Chemistry Crossword crossword puzzle
Across
  1. Bonding performed in metals.
  2. Bonding performed in most of covalent bonding.
  3. Formed between a pair of electrons is shared between two atoms leading to noble gas electronic configurations.
  4. Involes loss of electrons.
  5. Unit of amount of substances, unit mol.
  6. a reaction in which one element is substituted for another element in a compound.
  7. Can be measured in g/dm3 or mol/dm3.
  8. Bonding performed in diamonds and graphites.
  9. Mass of an atom of a chemical element expressed in atomic mass units.
Down
  1. Involves gain of electrons.
  2. A substance that reduces another substance and is itself oxidized.
  3. The sum of the relative atomic mass, also called as relative formula mass or ionic compounds.
  4. A substance that oxidizes another substance and is itself reduced.
  5. a chemical reaction where two reactant ionic compounds exchange ions to form two new product compounds with the same ions.
  6. 6.02*10^23
  7. A strong electrostatic attraction between oppositely charged ions.
  8. Compound is the number and type of different.
  9. A decomposition reaction is a reaction in which a compound breaks down into two or more simpler substances
  10. is a process generally characterized by
  11. the production of chemical compounds by reaction from simpler materials.

20 Clues: 6.02*10^23 • Involes loss of electrons. • Involves gain of electrons. • Bonding performed in metals. • Can be measured in g/dm3 or mol/dm3. • Unit of amount of substances, unit mol. • is a process generally characterized by • Bonding performed in diamonds and graphites. • Compound is the number and type of different. • Bonding performed in most of covalent bonding. • ...

science 2023-10-31

science crossword puzzle
Across
  1. - Carbon-based compounds.
  2. - Large molecule chain.
  3. - Shared electron bonds.
  4. - Same formula, different structure.
  5. - Two or more elements combined.
  6. - Amount of solute.
  7. - Only hydrogen and carbon.
  8. - Conducts electricity in solution.
  9. - Charged particle.
  10. - Organic functional group.
  11. - Opposite of an acid.
  12. - Measuring substance concentration.
  13. - Study of reaction rates.
  14. - Transfer of electrons.
  15. - Balancing chemical equations.
  16. - Mole concept founder.
  17. - A substance made of one type of atom.
Down
  1. - Oxidation-reduction reaction.
  2. - Chemical transformation of substances.
  3. - Sour, corrosive substance.
  4. - A group of atoms bonded together.
  5. - Dissolving substance.
  6. - Variant of an element.
  7. - Soluble base.
  8. - Arrangement of elements.
  9. - Speeds up a reaction.
  10. - Measure of acidity.
  11. - Solid to gas transition.
  12. - Connection between atoms.
  13. - Solid formed in solution.

30 Clues: - Soluble base. • - Amount of solute. • - Charged particle. • - Measure of acidity. • - Opposite of an acid. • - Large molecule chain. • - Dissolving substance. • - Speeds up a reaction. • - Mole concept founder. • - Shared electron bonds. • - Variant of an element. • - Transfer of electrons. • - Carbon-based compounds. • - Arrangement of elements. • - Solid to gas transition. • ...

vocab 2022-09-06

vocab crossword puzzle
Across
  1. closed system
  2. malleability
  3. chemical change
  4. element
  5. open system
  6. flammability
  7. ductility
  8. luster
  9. exothermic reaction
  10. matter
Down
  1. solubility
  2. heterogeneous mixture
  3. substance pure substance
  4. mixture
  5. homogeneous mixture
  6. physical change
  7. Insoluble
  8. endothermic reaction
  9. solution
  10. compound

20 Clues: luster • matter • mixture • element • solution • compound • Insoluble • ductility • solubility • open system • malleability • flammability • closed system • chemical change • physical change • homogeneous mixture • exothermic reaction • endothermic reaction • heterogeneous mixture • substance pure substance

Chemistry Unit Review 2015-03-03

Chemistry Unit Review crossword puzzle
Across
  1. A way of expressing information about a chemical reaction using chemical element symbols, numbers, and symbols like (), +, and →.
  2. Elements left of the metalloid "staircase" on the periodic table; they are malleable, shiny, conduct heat and electrical current, and all but one are solids at room temperature
  3. A chemical bond that involves the electrostatic attraction between oppositely charged ions.
  4. A number, figure, symbol, or indicator that is smaller than the normal line of type and is set slightly below it. Represent how many atoms of a certain type are in a molecule.
  5. The idea that, in physical changes and chemical reactions, matter can not be created or destroyed.
  6. Donates OH- when in water, is bitter, corrodes tissues, turns red litmus blue.
  7. A reaction where one single compound breaks down into two or more simple chemicals.
  8. A material or liquid that will change to a known color when in the presence of a certain pH.
  9. When a substance (or a few substances) change into another substance. The number and types of atoms are the same, but they are bonded together differently than before.
  10. A substance that decomposes rapidly under certain conditions with the production of gases, which expand by the heat of the reaction. The energy released is used in firearms, blasting, and rocket propulsion
  11. A chemical reaction where one component each of both the reacting molecules is switched to form the products.
  12. A substance that is altered or incorporated into another substance in a chemical reaction. What you start with.
  13. A group of elements with similar chemical properties. These tend to be associated with the vertical columns on the periodic table.
  14. A system of information and labels related to hazardous materials designed to ensure the safety of employers and employees while at the workplace.
  15. The elements on the right of the periodic table; they are brittle, do not conduct heat or electric current, and can be solids, liquids, or gases at room temperature.
Down
  1. A type of double displacement reaction in which a strong acid and strong base react with each other to form water and salt.
  2. A chemical equation that has coefficients to show how many of molecules of the reactants and the products are needed in order to conserve mass is described as this.
  3. A sheet of information about the composition and properties of a chemical substance, as well as steps for handing and storing it safety.
  4. A reaction where two or more chemicals combine to form a more complex product.
  5. Icons that appear on household product labels to warn of possible dangers such as explosive, corrosive, flammable or poisonous.
  6. A type of chemical reaction where a single element or ion moves out of one compound and into another - that is, one element is replaced by another in a compound.
  7. The rows in the periodic table are also known as this.
  8. Donates H+ when in water, is sour, corrodes metal and tissues, turns blue litmus red.
  9. Material that ignites easily and burns rapidly with a flame.
  10. A substance used to neutralize acidity, especially in the stomach
  11. A chemical bond that involves the sharing of electron pairs between atoms.
  12. An atom or molecule with a net electric charge due to the loss or gain of one or more electrons.
  13. A scale ranging from 0 to 14, reflecting the concentration of hydrogen ions in solution (how acidic/basic a substance is).
  14. A substance that will destroy and damage other substances with which it comes into contact.
  15. A way of expressing information about a chemical reaction using words and symbols like + and →.
  16. A number written in front of a chemical formula in a balanced chemical equation to show how many of that atom or molecule are present.
  17. A way of expressing information about a chemical (molecule or ion) using chemical element symbols, numbers, and symbols like (), +, and -.
  18. A solution containing a relatively small quantity of solute as compared with the amount of solvent. For example, if you add a lot of water to juice, it becomes this.
  19. The substance(s) that are created during a chemical reaction. The end result.
  20. A substance that is capable of causing the illness or death of a living organism when introduced or absorbed.

35 Clues: The rows in the periodic table are also known as this. • Material that ignites easily and burns rapidly with a flame. • A substance used to neutralize acidity, especially in the stomach • A chemical bond that involves the sharing of electron pairs between atoms. • The substance(s) that are created during a chemical reaction. The end result. • ...

Dunn-Chapter13 2016-10-05

Dunn-Chapter13 crossword puzzle
Across
  1. The amount of energy required to pull two boned atoms apart, which is the same as the amount of energy released when the two atoms are brought together into a bond.
  2. Description of a chemical reaction in which there is a net absorption of energy.
  3. A substance that accepts hydrogen ions.
  4. The minimum energy required in order for a chemical reaction to proceed.
  5. A substance that donates hydrogen ions.
  6. A rapid exothermic oxidation-reduction reaction between a material and molecular oxygen.
  7. Description of a solution in which the hydronium ion concentration is higher than the hydroxide ion concentration.
Down
  1. Description of a substance that can behave as either an acid or a base.
  2. A representation of a chemical reaction in which reactant are written to the left of an arrow that points toward the products on the right.
  3. One half of an oxidation-reduction reaction, represented by an equation showing electrons as either reactants or products.
  4. A polyatomic ion made by adding a proton (hydrogen on) to a water molecule.
  5. Description of a chemical reaction in which there is a net release of energy.
  6. A polyatomic ion made by removing a proton (hydrogen ion) from a water molecule.
  7. Any substance that increases the rate of a chemical reaction without itself being consumed by the reaction.
  8. Description of a solution in which the hydroxide ion concentration is higher than the hydroium ion concentration; also sometimes called 'alkaline'.

15 Clues: A substance that accepts hydrogen ions. • A substance that donates hydrogen ions. • Description of a substance that can behave as either an acid or a base. • The minimum energy required in order for a chemical reaction to proceed. • A polyatomic ion made by adding a proton (hydrogen on) to a water molecule. • ...

Crossword on Chemistry 2012-08-25

Crossword on Chemistry crossword puzzle
Across
  1. A subatomic particle with a positive charge
  2. Any form of a certain element that contains different numbers of neutrons than the other versions
  3. Creator of the first version of the periodic table
  4. The group of elements that are highly reactive
  5. A representation of a chemical reaction
  6. mass The sum of the numbers of protons and neutrons in an atom
  7. A substance that changes the rate or a chemical reaction
  8. A group of atoms held together by bonds
  9. A reaction in which one or more substances combine to form a new one
  10. A homogeneous mixture
  11. When two or more atoms join together, they form _______
  12. A substance that has only one particle is referred to as a ______ substance
  13. A particle that has gained or lost an electron
Down
  1. The substance will remain the same through a __________change
  2. A combination of chemical symbols and numbers
  3. A substance that forms in a chemical reaction
  4. The particle of an element
  5. An element that loses electron/s when forming bonds
  6. A mixture where the components are easily seen, and are able to be physically separated
  7. A subatomic particle with a negative charge
  8. A change where the substance/s themselves are changed
  9. The subatomic particle that has no charge
  10. This is the eighth element on the periodic table
  11. Helium, neon, and krypton belong in this group of elements

24 Clues: A homogeneous mixture • The particle of an element • A representation of a chemical reaction • A group of atoms held together by bonds • The subatomic particle that has no charge • A subatomic particle with a positive charge • A subatomic particle with a negative charge • A combination of chemical symbols and numbers • A substance that forms in a chemical reaction • ...

Photosynthesis and Matter Cycling 2023-04-13

Photosynthesis and Matter Cycling crossword puzzle
Across
  1. green pigment that is necessary for the reactions in photosynthesis
  2. chemical reaction that breaks down sugars and releases chemical energy
  3. a type of chemical reaction that can happen without oxygen
  4. the molecule inhaled by plants and exhaled by humans
  5. a nutrient that enters through the root system and is critical for plant amino acids
  6. brought into the plant through root systems
  7. the element upon which all life on earth is based, atomic number 6
  8. the sugar molecule used by plants as a structural material
  9. small photosynthetic organisms in the world's oceans creating 50% of all oxygen
  10. this cannot be created or destroyed, it only transforms
  11. Lifeforms responsible for breaking down the dead remains of other life
Down
  1. plant respiration happens through these holes
  2. chemical reaction that captures solar energy by combining carbon dioxide and water into sugars
  3. the molecule inhaled by animals and exhaled by plants
  4. a style of chemical reaction that requires oxygen
  5. plant organelle that where photosynthesis takes place
  6. when water vapor is released from plants it increases this in the atmosphere
  7. the general term for life that must eat other life forms for energy
  8. the source of all energy used by life on our plant
  9. the sugar molecule used by many life forms as an energy source
  10. the general term for life that can perform photosynthesis (an autotroph)

21 Clues: brought into the plant through root systems • plant respiration happens through these holes • a style of chemical reaction that requires oxygen • the source of all energy used by life on our plant • the molecule inhaled by plants and exhaled by humans • the molecule inhaled by animals and exhaled by plants • plant organelle that where photosynthesis takes place • ...

Chemical Changes Vocabulary 2023-11-06

Chemical Changes Vocabulary crossword puzzle
Across
  1. substance that speeds up the rate of a chemical reaction
  2. A substance that slows down or stops a chemical reaction
  3. A reaction that ABSORBS energy in the form of heat
  4. Energy needed to get a reaction started
Down
  1. A reaction that releases energy in the form of heat
  2. a change in the state of matter, no new substance
  3. substance that is present at the start of a chemical reaction
  4. A change that forms new substances with different properties
  5. A solid that forms from a solution during a chemical reaction.
  6. A substance produced in a chemical reaction

10 Clues: Energy needed to get a reaction started • A substance produced in a chemical reaction • a change in the state of matter, no new substance • A reaction that ABSORBS energy in the form of heat • A reaction that releases energy in the form of heat • substance that speeds up the rate of a chemical reaction • A substance that slows down or stops a chemical reaction • ...

Skibidi chem crossword 2025-03-21

Skibidi chem crossword crossword puzzle
Across
  1. The tiniest piece of an element. (4)
  2. Atoms of the same element with different numbers of neutrons. (8)
  3. A large molecule made of repeating smaller units. (7)
  4. A reaction that releases heat. (11)
  5. How much mass is in a certain amount of space. (7)
  6. Burning, a chemical reaction with oxygen. (10)
  7. The process that happens when a solid turns straight into a gas. (11)
  8. The loss of electrons during a reaction. (9)
  9. A process that can determine the concentration of a solution. (9)
  10. A reaction that absorbs heat. (11)
  11. A substance that will dissolve into a liquid. (6)
  12. A pure substance made of one type of atom. (7)
  13. When a liquid turns into a gas. (11)
Down
  1. A mixture of metals. (5)
  2. Gradual destruction of materials by chemical reactions. (9)
  3. When a gas turns into a liquid. (12)
  4. The gain of electrons during a reaction. (9)
  5. When an acid and base react. (13)EVAPORATION When a liquid turns into a gas. (11)
  6. Emitting energy or particles from an unstable atom. (11)
  7. The number of chemical bonds an atom can form. (7)
  8. The amount of solute there is in a specific volume of the solvent. (13)
  9. A substance that tells you the pH of an acid or alkaline. (9)
  10. Two or more atoms stuck together. (8)
  11. A solution that forms when a solute dissolves in a solvent. (8)
  12. A substance that dissolves another substance. (7)
  13. When a liquid turns into a solid. (8)
  14. A substance that speeds up a chemical reaction. (9)

27 Clues: A mixture of metals. (5) • A reaction that absorbs heat. (11) • A reaction that releases heat. (11) • When a gas turns into a liquid. (12) • The tiniest piece of an element. (4) • When a liquid turns into a gas. (11) • Two or more atoms stuck together. (8) • When a liquid turns into a solid. (8) • The gain of electrons during a reaction. (9) • ...

Chemistry Unit Review 2015-03-03

Chemistry Unit Review crossword puzzle
Across
  1. A way of expressing information about a chemical reaction using chemical element symbols, numbers, and symbols like (), +, and →.
  2. Elements left of the metalloid "staircase" on the periodic table; they are malleable, shiny, conduct heat and electrical current, and all but one are solids at room temperature
  3. A chemical bond that involves the electrostatic attraction between oppositely charged ions.
  4. A number, figure, symbol, or indicator that is smaller than the normal line of type and is set slightly below it. Represent how many atoms of a certain type are in a molecule.
  5. The idea that, in physical changes and chemical reactions, matter can not be created or destroyed.
  6. Donates OH- when in water, is bitter, corrodes tissues, turns red litmus blue.
  7. A reaction where one single compound breaks down into two or more simple chemicals.
  8. A material or liquid that will change to a known color when in the presence of a certain pH.
  9. When a substance (or a few substances) change into another substance. The number and types of atoms are the same, but they are bonded together differently than before.
  10. A substance that decomposes rapidly under certain conditions with the production of gases, which expand by the heat of the reaction. The energy released is used in firearms, blasting, and rocket propulsion
  11. A chemical reaction where one component each of both the reacting molecules is switched to form the products.
  12. A substance that is altered or incorporated into another substance in a chemical reaction. What you start with.
  13. A group of elements with similar chemical properties. These tend to be associated with the vertical columns on the periodic table.
  14. A system of information and labels related to hazardous materials designed to ensure the safety of employers and employees while at the workplace.
  15. The elements on the right of the periodic table; they are brittle, do not conduct heat or electric current, and can be solids, liquids, or gases at room temperature.
Down
  1. A type of double displacement reaction in which a strong acid and strong base react with each other to form water and salt.
  2. A chemical equation that has coefficients to show how many of molecules of the reactants and the products are needed in order to conserve mass is described as this.
  3. A sheet of information about the composition and properties of a chemical substance, as well as steps for handing and storing it safety.
  4. A reaction where two or more chemicals combine to form a more complex product.
  5. Icons that appear on household product labels to warn of possible dangers such as explosive, corrosive, flammable or poisonous.
  6. A type of chemical reaction where a single element or ion moves out of one compound and into another - that is, one element is replaced by another in a compound.
  7. The rows in the periodic table are also known as this.
  8. Donates H+ when in water, is sour, corrodes metal and tissues, turns blue litmus red.
  9. Material that ignites easily and burns rapidly with a flame.
  10. A substance used to neutralize acidity, especially in the stomach
  11. A chemical bond that involves the sharing of electron pairs between atoms.
  12. An atom or molecule with a net electric charge due to the loss or gain of one or more electrons.
  13. A scale ranging from 0 to 14, reflecting the concentration of hydrogen ions in solution (how acidic/basic a substance is).
  14. A substance that will destroy and damage other substances with which it comes into contact.
  15. A way of expressing information about a chemical reaction using words and symbols like + and →.
  16. A number written in front of a chemical formula in a balanced chemical equation to show how many of that atom or molecule are present.
  17. A way of expressing information about a chemical (molecule or ion) using chemical element symbols, numbers, and symbols like (), +, and -.
  18. A solution containing a relatively small quantity of solute as compared with the amount of solvent. For example, if you add a lot of water to juice, it becomes this.
  19. The substance(s) that are created during a chemical reaction. The end result.
  20. A substance that is capable of causing the illness or death of a living organism when introduced or absorbed.

35 Clues: The rows in the periodic table are also known as this. • Material that ignites easily and burns rapidly with a flame. • A substance used to neutralize acidity, especially in the stomach • A chemical bond that involves the sharing of electron pairs between atoms. • The substance(s) that are created during a chemical reaction. The end result. • ...

IGCSE - Topic 4 - Electrochemistry 2023-12-04

IGCSE - Topic 4 - Electrochemistry crossword puzzle
Across
  1. A conductor through which electric current enters or leaves an electrolyte.
  2. An electrochemical cell that uses electrical energy to drive a non-spontaneous chemical reaction.
  3. The deterioration of a metal due to a chemical reaction with its environment.
  4. The electrode where reduction occurs, and electrons are gained in an electrochemical cell.
  5. The process of coating an object with a layer of metal using electrolysis.
Down
  1. The study of the interchange of chemical and electrical energy.
  2. A chemical reaction involving both oxidation and reduction processes.
  3. The loss of electrons by a substance during a chemical reaction.
  4. The gain of electrons by a substance during a chemical reaction.
  5. An electrochemical cell that converts chemical energy directly into electrical energy by combining a fuel (e.g., hydrogen) with an oxidizing agent (e.g., oxygen).
  6. A substance that conducts electricity when dissolved in water or in a molten state.
  7. The electrode where oxidation occurs, and electrons are released in an electrochemical cell.

12 Clues: The study of the interchange of chemical and electrical energy. • The loss of electrons by a substance during a chemical reaction. • The gain of electrons by a substance during a chemical reaction. • A chemical reaction involving both oxidation and reduction processes. • The process of coating an object with a layer of metal using electrolysis. • ...

Enzymes 2024-11-19

Enzymes crossword puzzle
Across
  1. the amount of energy needed to make a chemical reaction start
  2. another word for "reactants"
  3. all the chemical reactions within the cell
  4. changing a chemical reaction by how acid a solution is
  5. releases energy
Down
  1. proteins that speed up biochemical reactions by lowering activation energy
  2. when an enzyme's active site gets deformed and loses its specific shape
  3. substances that are made by a chemical reaction
  4. the breaking a forming of bonds between different substances during chemical changes
  5. substances that are changed in a chemical reaction
  6. absorbs energy

11 Clues: absorbs energy • releases energy • another word for "reactants" • all the chemical reactions within the cell • substances that are made by a chemical reaction • substances that are changed in a chemical reaction • changing a chemical reaction by how acid a solution is • the amount of energy needed to make a chemical reaction start • ...

Types of reactions 2024-05-13

Types of reactions crossword puzzle
Across
  1. reaction in which two molecules exchange ions
  2. agent element reduced in an equation
  3. reaction in which both oxidation no reduction takes place
  4. agent Element which increases in oxygen
  5. a natural process that converts a refined metal into a more chemically stable oxide.
  6. a type of decomposition reaction in which the activation energy for decomposition is provided in the form of electrical energy
  7. reaction in which two or more substances combine to form a single new substance.
  8. pungent smell produced by food
Down
  1. a chemical reaction that happens when a compound breaks down when heated.
  2. a form of double-displacement reaction that takes place between acids and bases.
  3. reaction in which a compound breaks down into two or more simpler substances
  4. a subclass of exchange reactions that occur between ionic compounds when one of the products is insoluble.
  5. It is a chemical reaction in which a chemical compound is broken down by photons.
  6. reaction in which a metal displaces a less reactive metal

14 Clues: pungent smell produced by food • agent element reduced in an equation • agent Element which increases in oxygen • reaction in which two molecules exchange ions • reaction in which both oxidation no reduction takes place • reaction in which a metal displaces a less reactive metal • a chemical reaction that happens when a compound breaks down when heated. • ...

Chemical Reactions 2023-10-15

Chemical Reactions crossword puzzle
Across
  1. Combines with glucose during cellular respiration
  2. held in common by two or more things
  3. Characteristics that let us tell the difference between things
  4. A reaction that absorbs heat energy
  5. A substance or molecule that goes through a reaction
  6. A molecule made of two or more elements
  7. A reaction that releases heat energy
  8. Type of change where matter keeps its chemical identity, but changes its form
  9. Type of change that results in new products
  10. A substance that forms in a chemical reaction
Down
  1. this law states that matter cannot be created or destroyed
  2. Organelle that does cellular respiration
  3. Made of the same type of atom
  4. Cannot be undone
  5. Organelle that transforms sunlight to glucose

15 Clues: Cannot be undone • Made of the same type of atom • A reaction that absorbs heat energy • held in common by two or more things • A reaction that releases heat energy • A molecule made of two or more elements • Organelle that does cellular respiration • Type of change that results in new products • Organelle that transforms sunlight to glucose • ...

3.1 glossary 2016-10-06

3.1 glossary crossword puzzle
Across
  1. chemicals that take part in a chemical reaction
  2. a reaction that uses oxygen to release energy stored in glucose
  3. a rapid reaction eith oxygen that releases energy in the form of heat and/or light
  4. hydrated iron oxide
  5. a chemical reaction that releases energy
  6. highly combustile chemicals
Down
  1. a chemical reaction that has the same numbers of each atom on both side of the arrow
  2. a chemical reaction that absorbs energy
  3. a way of protecting aluminium from corrosing by deliberately creating a layer of aluminium oxide over it
  4. chemicals produced in a chemical reaction

10 Clues: hydrated iron oxide • highly combustile chemicals • a chemical reaction that absorbs energy • a chemical reaction that releases energy • chemicals produced in a chemical reaction • chemicals that take part in a chemical reaction • a reaction that uses oxygen to release energy stored in glucose • ...

UNIT 4 REVIEW 2018-01-24

UNIT 4 REVIEW crossword puzzle
Across
  1. substance that is formed as the result of a chemical reaction
  2. the conversion factor that relates the amount in moles of any two substances in a chemical reaction
  3. is a type of chemical reaction where two compounds react, and the cations and the anions of the two reactants switch places, forming two new compounds or products
  4. founder of stoichiometry
  5. founder of mole
  6. an element reacts with a compound and takes the place of another element in that compound
  7. a numerical or constant quantity placed before and multiplying the variable in an algebraic expression
  8. the calculations between the relationships between molecules in a given reaction
  9. reaction in which multiple reactants combine to form a single product
Down
  1. this is the efficiency of the reaction
  2. the mass of an element divided by the total mass present multiplied by 100%
  3. a process in which one or more substances, the reactants, are converted to one or more different substances, the products
  4. 6.022x10^23
  5. a substance that takes part in and undergoes change during a reaction
  6. occurs when a hydrocarbon reacts with oxygen to produce carbon dioxide and water

15 Clues: 6.022x10^23 • founder of mole • founder of stoichiometry • this is the efficiency of the reaction • substance that is formed as the result of a chemical reaction • a substance that takes part in and undergoes change during a reaction • reaction in which multiple reactants combine to form a single product • ...

AP Chem Chapter 17 Creation 2023-12-07

AP Chem Chapter 17 Creation crossword puzzle
Across
  1. chemical reactions occur faster at _________ temperatures
  2. rate __________ that are mathematical expressions that describe the relationship between the rate of a chemical reaction and the concentration of its reactants
  3. species that are produced in one step and consumed in a subsequent step
  4. rate laws cannot be predicted by reaction ____________ but determined experimentally
  5. determine a second form of each rate law that relates the concentrations of reactions and time called _________ rate laws
  6. at any specific time where the rate at which a reaction is proceeding
Down
  1. ___________ catalyst that is present in the same phase as the reactants
  2. theory that states that a chemical reaction can only occur between particles when they collide
  3. instantaneous rate of a reaction at time zero
  4. substances that function to increase the rate of a reaction
  5. rate of ________ s the change in the amount of reactant or product per unit time
  6. ___________ catalyst that is present in a different phase than the reactants (usually a solid)
  7. a state when reactant species collide with both proper orientation and adequate energy and combine to form unstable species
  8. number of factors that typically affect the rates of chemical reactions
  9. these line slopes may be evaluated using calculus

15 Clues: instantaneous rate of a reaction at time zero • these line slopes may be evaluated using calculus • chemical reactions occur faster at _________ temperatures • substances that function to increase the rate of a reaction • at any specific time where the rate at which a reaction is proceeding • ___________ catalyst that is present in the same phase as the reactants • ...

week 3 vivian doan 2015-07-06

week 3 vivian doan crossword puzzle
Across
  1. What type of reaction is this A+B->AB
  2. What type of reaction is this HCL+NaOH->H2O+NaCl
  3. The amount of each reactant and product is represented with?
  4. This reaction happens when one element in a pair is replaced by another
  5. What are the 7 elements that are always found in pairs
  6. 6.022 x 10^23 is a
  7. What do you balance last when balancing chemical equations
  8. A reaction speeds up if this is present
Down
  1. What reaction will always have O2 as a reactant and CO2 and H2O as products
  2. AB->A+B is what type of reaction?
  3. What type of reaction occurs when two element pairs switch partners
  4. This symbol means "dissolved in water"
  5. When a reaction GAINS energy, it's what type of reaction
  6. When a reaction LOSES energy, it's what type of reaction
  7. The arrow in a chemical equations means to?

15 Clues: 6.022 x 10^23 is a • AB->A+B is what type of reaction? • What type of reaction is this A+B->AB • This symbol means "dissolved in water" • A reaction speeds up if this is present • The arrow in a chemical equations means to? • What type of reaction is this HCL+NaOH->H2O+NaCl • What are the 7 elements that are always found in pairs • ...

Grade 9 Chemistry 2023-11-22

Grade 9 Chemistry crossword puzzle
Across
  1. An example of an endothermic process
  2. The chemical name for rust
  3. This is formed when calcium reacts with hydrochloric acid
  4. 20% of the air is this gas
  5. An element with the chemical symbol Be
  6. Group 8 elements are known as .........
  7. This is where you find electrons
  8. Group 7 elements are known as the........
  9. This is formed when charcoal burns
  10. How many electrons fit in the second shell
  11. Group 1 elements are known as the......
  12. Rusting is this type of reaction
  13. One of the noble gases
  14. He discovered the proton
  15. A type of fuel
Down
  1. These are found inside the nucleus
  2. This material can be used instead of glass to measure temperature changes in chemical reactions
  3. This substance added to citric acid is an endothermic reaction
  4. These are found on the right-hand side of the Periodic Table
  5. These atomic particles have no charge
  6. How many electrons fit in the first shell
  7. In an endothermic reaction, the temperature .......
  8. These are on the left-hand side of the Periodic Table
  9. An element with the chemical symbol Si
  10. chloride Dissolving this chemical is an endothermic process
  11. One of the alkali metals
  12. In an exothermic reaction the temperature .........
  13. This is formed with the combustion of hydrogen
  14. He discovered the electron
  15. This is needed for combustion

30 Clues: A type of fuel • One of the noble gases • One of the alkali metals • He discovered the proton • The chemical name for rust • 20% of the air is this gas • He discovered the electron • This is needed for combustion • This is where you find electrons • Rusting is this type of reaction • These are found inside the nucleus • This is formed when charcoal burns • ...

stoichiometry concepts 2024-04-02

stoichiometry concepts crossword puzzle
Across
  1. the number of units in one mole of any substance equals 6.02 x 10¨23
  2. numbers or symbols by which another number is multiply
  3. like a seesaw perfectly leveled. Both sides have the same number of atoms
  4. the weight of a mole of a substance
  5. ratio between the number of substances involved in a chemical reaction expressed by coefficients.
  6. substance changing the reaction to produce new substance products.
  7. symbolic representation of a chemical reaction.
Down
  1. reactant in a chemical reaction that remains unconsumed after the reaction takes place.
  2. process where one or more substances known as reactants are converted into different substances known as products, through breaching and forming
  3. substance that is completely consumed or used up first, limiting the amount of product that can be formed.
  4. small number slightly below and to the right of an element's symbol. It indicates the number of atoms in an element.
  5. the calculation of products and reactants in a chemical reaction.
  6. new substances formed as a result of the reaction (final dish)
  7. huge pack of something 6.092 x 10¨23 items
  8. mass of one substance/mass of another substance.

15 Clues: the weight of a mole of a substance • huge pack of something 6.092 x 10¨23 items • symbolic representation of a chemical reaction. • mass of one substance/mass of another substance. • numbers or symbols by which another number is multiply • new substances formed as a result of the reaction (final dish) • ...

unit 2 study 2024-10-02

unit 2 study crossword puzzle
Across
  1. breaks down bacteria from other organisms
  2. turns glucose into pyruvate
  3. cycle that uses oxygen to produce energy
  4. envelope of gasses the earth or other planets
  5. transfers and provides cell with energy
  6. sphere with lakes and ponds
  7. a source of energy
  8. uses light energy to make molecules neccesary for next step of photosynthesis
  9. absence if free oxygen
  10. sphere where life lives
  11. a chemical element
Down
  1. process where plants turn light energy into chemical energy
  2. any substance that has mass and takes up space
  3. sphere with rocks and minerals
  4. membrane cell organelles
  5. gives green plants their pigment
  6. chemical reactions that break down glucose
  7. substance that changes into a chemical reaction
  8. involves free oxygen
  9. carbon reaction

20 Clues: carbon reaction • a source of energy • a chemical element • involves free oxygen • absence if free oxygen • sphere where life lives • membrane cell organelles • turns glucose into pyruvate • sphere with lakes and ponds • sphere with rocks and minerals • gives green plants their pigment • transfers and provides cell with energy • cycle that uses oxygen to produce energy • ...

Chemistry 2025-05-22

Chemistry crossword puzzle
Across
  1. one or more substance converted into a different substance
  2. holds molecules together and create connections
  3. everything that takes up space
  4. change changes in display of a object
  5. when two substances are combined but not chemically
  6. thermal energy that transforms when they come in contact with other objects
  7. starting materials in a reaction
  8. a substance that cannot be broken down
  9. the amount of space occupied by matter
  10. basic particles
Down
  1. the scientific study of elements
  2. two or more atoms that form chemical bonds
  3. substance formed by a chemical reaction
  4. measure of hot or cold
  5. change a substance is transformed into a new substance
  6. the weight of an object
  7. the capacity of doing work
  8. elements are chemically bonded

18 Clues: basic particles • measure of hot or cold • the weight of an object • the capacity of doing work • everything that takes up space • elements are chemically bonded • the scientific study of elements • starting materials in a reaction • change changes in display of a object • a substance that cannot be broken down • the amount of space occupied by matter • ...

November 14th Science 2025-11-14

November 14th Science crossword puzzle
Across
  1. The Mascot for the team gentry is playing tonight.
  2. Type of chemical reaction where the substance changes.
  3. An if, then statement that predicts the what will happen in the future.
  4. Type of eclipse that occurs when the moon casts a shadow on the earth.
  5. Where the pioneer football team is playing tonight.
  6. Reaction that occurs when heat is absorbed in the reaction.
  7. When you use your five senses to determine exactly what is happening.
  8. A guess about what is happening right now using context clues.
  9. Variable that tells us what we want to know / results.
Down
  1. A guess about what will happen in the future based on context clues.
  2. Type of chemical reaction where the appearance of the object changes but the substance does not.
  3. Variable that stays the same throughout the experiment.
  4. Reaction that occurs when heat is released from the reaction.
  5. Variable that we change in an experiment.
  6. The celestial object that orbits the Earth
  7. Name of the Gentry Schools Mascot.
  8. Type of eclipse that occurs when the earth casts a shadow on the moon.

17 Clues: Name of the Gentry Schools Mascot. • Variable that we change in an experiment. • The celestial object that orbits the Earth • The Mascot for the team gentry is playing tonight. • Where the pioneer football team is playing tonight. • Type of chemical reaction where the substance changes. • Variable that tells us what we want to know / results. • ...

Organic Chem 2022-01-26

Organic Chem crossword puzzle
Across
  1. organic compounds- An organic compound in which all the carbon atoms are connected by single bonds.
  2. fission- chemical bond dissociation of a molecular bond by a process where each of the fragments (an atom or molecule) retains one of the originally bonded electrons. As a result the bonded electrons are equally shared
  3. to or denoting organic compounds in which carbon atoms form open chains (as in the alkanes), not aromatic rings.
  4. formula- a formula which shows the arrangement of atoms in the molecule of a compound.
  5. reaction- a type of chemical reaction where an atom or functional group of a molecule is replaced by another atom or functional group.
Down
  1. Formula- A chemical equation that tells us the relative ratios of different atoms in a compound
  2. organic compounds- An organic compound in which there is at least one carbon atom connected by a double bond
  3. reaction- a two-stage reaction process of an addition reaction followed by an elimination reaction.
  4. a molecule that in chemical reaction seeks an atom or molecule containing an electron pair available for bonding.
  5. fission- when a covalent bond is broken, the shared pair of electrons are taken by one of the atoms. In this type of fission, the two bonded electrons are not equally divided.
  6. a substance that takes part in and undergoes change during a reaction.
  7. formula- A chemical formula that shows the number and kinds of atoms in a molecule.
  8. reaction- a reaction in which one molecule combines with another to form a larger molecule with no other products.
  9. an aromatic hydrocarbon in a shape of a hexagon
  10. a molecule or substance that has a tendency to donate electrons or react at electron-poor sites such as protons.

15 Clues: an aromatic hydrocarbon in a shape of a hexagon • a substance that takes part in and undergoes change during a reaction. • formula- A chemical formula that shows the number and kinds of atoms in a molecule. • formula- a formula which shows the arrangement of atoms in the molecule of a compound. • ...

Skibidi chem crossword 2025-03-21

Skibidi chem crossword crossword puzzle
Across
  1. A substance that will dissolve into a liquid. (6)
  2. Two or more atoms stuck together. (8)
  3. The number of chemical bonds an atom can form. (7)
  4. When a liquid turns into a gas. (11)
  5. Emitting energy or particles from an unstable atom. (11)
  6. A substance that speeds up a chemical reaction. (9)
  7. A solution that forms when a solute dissolves in a solvent. (8)
  8. A reaction that releases heat. (11)
  9. How much mass is in a certain amount of space. (7)
  10. The tiniest piece of an element. (4)
  11. When an acid and base react. (13)
  12. A large molecule made of repeating smaller units. (7)
  13. When a liquid turns into a solid. (8)
  14. Atoms of the same element with different numbers of neutrons. (8)
  15. Burning, a chemical reaction with oxygen. (10)
  16. The loss of electrons during a reaction. (9)
  17. A substance that dissolves another substance. (7)
Down
  1. A substance that tells you the pH of an acid or alkaline. (9)
  2. The process that happens when a solid turns straight into a gas. (11)
  3. When a liquid turns into a gas. (11)
  4. A mixture of metals. (5)
  5. A process that can determine the concentration of a solution. (9)
  6. When a gas turns into a liquid. (12)
  7. Gradual destruction of materials by chemical reactions. (9)
  8. A reaction that absorbs heat. (11)
  9. The gain of electrons during a reaction. (9)
  10. A pure substance made of one type of atom. (7)
  11. The amount of solute there is in a specific volume of the solvent. (13)

28 Clues: A mixture of metals. (5) • When an acid and base react. (13) • A reaction that absorbs heat. (11) • A reaction that releases heat. (11) • When a liquid turns into a gas. (11) • When a liquid turns into a gas. (11) • When a gas turns into a liquid. (12) • The tiniest piece of an element. (4) • Two or more atoms stuck together. (8) • When a liquid turns into a solid. (8) • ...

Enyzmes, Biochemical Reactions, and ATP Vocab Review 2023-04-28

Enyzmes, Biochemical Reactions, and ATP Vocab Review crossword puzzle
Across
  1. substance that is changed during a chemical reaction
  2. releases energy
  3. when an enzymes active site is deformed and loses its specific shape leading to a loss of biological activity
  4. Energy the amount of energy needed to make a chemical reaction start
  5. proteins that speed up biochemical reactions by lowering the activation energy
  6. substance that is made by a chemical reaction
  7. all of the chemical reactions within each cell
  8. the breakdown of larger molecules into simpler compounds
Down
  1. movement of ions down a concentration gradient
  2. substance that speeds up reactions without being permanently altered
  3. absorbs energy
  4. the building of larger molecules from smaller ones
  5. Reactions the breaking and forming of bonds between different substances during chemical changes
  6. adenosine triphosphate

14 Clues: absorbs energy • releases energy • adenosine triphosphate • substance that is made by a chemical reaction • movement of ions down a concentration gradient • all of the chemical reactions within each cell • the building of larger molecules from smaller ones • substance that is changed during a chemical reaction • the breakdown of larger molecules into simpler compounds • ...

Chemistry Crossword 2017-11-07

Chemistry Crossword crossword puzzle
Across
  1. pure substance that cannot be broken down into other substances; substance made up of only one type of atom
  2. group 17 elements in the periodic table;the most reactive non-metals
  3. description of how a substance interacts with other substances, such as acids;chemical properties are observable only when a chemical change occurs
  4. reaction that takes place when two or more substances react to form new substances
  5. the smallest part of an element that is representative of that element; a neutral particle made up of a nucleus containing protons and neutrons, and in which the number of electrons equals the number of protons
  6. a material that electric charge can move through easily
  7. description of a solid that can be stretched into a long wire
  8. group 2 elements in the periodic table; their reactivity is not as strong as that of the alkali metals
  9. combination of symbols that represent a compound; the formula identifies the elements in the compound and the amount of each element
  10. change that results when two or more substances react to create a different substance or substances; the new substances have completely different properties from the original ones
  11. mass of one atom of an element calculated from the total number of protons,neutrons, and electrons of that atom; measured in atomic mass units (amu)
  12. chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
  13. of mass principle that matter is not created or destroyed in a chemical reaction; the mass of the products always equals the mass of the reactants
  14. an experiment in which one or more products of a chemical reaction can escape
Down
  1. invisible negatively charged particle that orbits the nucleus of an atom
  2. pure substance formed when at least one metal and one non-metal combine
  3. number of protons in the nucleus of one atom of an element
  4. group 1 elements in the periodic table, not including hydrogen; the most reactive of the metals
  5. chemical reaction that releases energy
  6. chemical reaction that absorbs energy
  7. ability of a substance to conduct electricity or heat
  8. measure of atomic mass; 1 amu is equal to 1/12th the mass of a carbon 12 atom
  9. an experiment in which all reactants and all products of a chemical reaction are accounted for
  10. atom that has become electrically charged because it has lost or gained electrons; a positive ion is an atom that has lost one or more electrons;a negative ion is an atom that has gained one or more electrons
  11. catalyst involved in chemical reactions in living things

25 Clues: chemical reaction that absorbs energy • chemical reaction that releases energy • ability of a substance to conduct electricity or heat • a material that electric charge can move through easily • catalyst involved in chemical reactions in living things • number of protons in the nucleus of one atom of an element • ...

Topic 2.5 Enzymes 2022-02-27

Topic 2.5 Enzymes crossword puzzle
Across
  1. _______________ _____________temperature The temperature at which an enzyme has the maximum activity in an enzyme assay (8, 7)
  2. ________________ pH the pH at which an enzyme exhibits maximum activity (7)
  3. Enzyme breaks down lactose into glucose and galactose (also called lactase) (4-13)
  4. The reactant on which an enzyme works (9)
  5. Synthesis of larger molecules from smaller ones - usually by condensation (8)
  6. Reactions in which complex molecules are broken down to simpler ones and energy is released (9)
  7. _________________ model: Enzyme model where the substrate causes the enzyme to alter its shape slightly so it fits better
  8. _____________ limited: The plateau part of a substrate concentration vs. reaction rate curve (6)
  9. The part of an enzyme or antibody where the chemical reaction occurs (6, 4)
Down
  1. A substance produced in a chemical reaction (7)
  2. the maximum rate of reaction determined just after the reaction begins (7, 4)
  3. _____________ energy; The minimum amount of energy required to start a chemical reaction (10)
  4. ________________ enzymes Enzyme molecules bound to an inert material, over which the substrate molecules move (11)
  5. _______________ limited: The linear part of a substrate concentration vs. reaction rate curve (9)
  6. ___________________ model: The model of the enzyme that shows the substrate fitting perfectly into the active site (4, 3, 3)
  7. A substance that speeds up the rate of a chemical reaction (8)

16 Clues: The reactant on which an enzyme works (9) • A substance produced in a chemical reaction (7) • A substance that speeds up the rate of a chemical reaction (8) • ________________ pH the pH at which an enzyme exhibits maximum activity (7) • The part of an enzyme or antibody where the chemical reaction occurs (6, 4) • ...

Dental 2022-10-06

Dental crossword puzzle
Across
  1. Preserved or finished by a chemical/physical process
  2. Microscopic space between tooth structure and restoration
  3. Colorless liquid made from clove oil and is very soothing
  4. chemical agent used to prepare a tooth surface.
  5. Internal reaction or resistance to an extremely applied force
  6. Hardened or set by a chemical reaction of two materials
  7. Distortion or change produced as a result of stress
  8. Artistically pleasing & beautiful appearance
  9. To restore or bring back to its natural appearance
Down
  1. Very thin layer of debris on newly prepared dentin
  2. Characterized by the release of heat from a chemical reaction
  3. To remove all moisture from and item, or dry out
  4. Physical property of fluids and the resistance to flow
  5. An electrical current that takes place between two different metals coming together
  6. Causes a physical change through energy & strength
  7. a discoloration
  8. To stick or glue two items together.
  9. To mix using a spatula-type instrument

18 Clues: a discoloration • To stick or glue two items together. • To mix using a spatula-type instrument • Artistically pleasing & beautiful appearance • chemical agent used to prepare a tooth surface. • To remove all moisture from and item, or dry out • Very thin layer of debris on newly prepared dentin • Causes a physical change through energy & strength • ...

Changes in Matter 2025-04-28

Changes in Matter crossword puzzle
Across
  1. Reaction- A process where chemicals interact
  2. the branch of science
  3. change- changes with new product
  4. smallest unit of matter
  5. the measure of matter in an object
  6. a substance that speeds up chem reactions
  7. the association of atoms or ions
  8. what forms during chemical reactions
  9. combination of two or more substances
  10. Takes up space
Down
  1. Stored in chemical bonds
  2. any substance with identical molecules
  3. there at the start of an chemical reaction
  4. energy transfer due to temperature
  5. Made up of two or more atoms
  6. a pure substance that can't be broken down
  7. kinetic energy of all atoms
  8. the amount of space

18 Clues: Takes up space • the amount of space • the branch of science • smallest unit of matter • Stored in chemical bonds • kinetic energy of all atoms • Made up of two or more atoms • change- changes with new product • the association of atoms or ions • energy transfer due to temperature • the measure of matter in an object • what forms during chemical reactions • ...

Chemistry Vocabulary Crossword 2024-05-16

Chemistry Vocabulary Crossword crossword puzzle
Across
  1. positively-charged atomic particle
  2. the number of protons in an atom
  3. type of reaction in which one reactant becomes two or more products
  4. the results of a chemical reaction
  5. a homogeneous mixture in which one substance is dissolved
  6. if a reaction absorbs heat, it is ______
  7. type of equation which shows only the ions which participate in the reaction
  8. the affinity of an atom for electrons
  9. the movement of gas particles through a small hole
  10. type of electron in the outermost energy level
  11. the reagent that determines the yield of products
  12. the calculation of quantities in chemical reactions
  13. atom with a positive charge
Down
  1. when the forward and reverse reactions rates are equal
  2. the energy required for a chemical reaction to happen
  3. a mixture with large particles that do not dissolve
  4. a substance that changes color in the presence of an acid or base
  5. type of bond in which electrons are shared
  6. a quantity equal to Avogadro's number
  7. atoms with different numbers of neutrons
  8. a measure of the amount of solute dissolved in a solvent
  9. when a solution contains the maximum amount of solute, it is _____
  10. the type of acid that is a proton donor
  11. a row across the periodic table
  12. substance that speeds up a chemical reaction
  13. the heat flow of a system at constant pressure
  14. the simplest type of any substance
  15. turning a liquid into a gas through evaporation
  16. region of space where an electron is most likely found
  17. element in group 7A on the periodic table

30 Clues: atom with a positive charge • a row across the periodic table • the number of protons in an atom • positively-charged atomic particle • the results of a chemical reaction • the simplest type of any substance • a quantity equal to Avogadro's number • the affinity of an atom for electrons • the type of acid that is a proton donor • if a reaction absorbs heat, it is ______ • ...

Use the clues to fill in the words above. Words can go across or down. Letters are shared when the words intersect. 2023-05-27

Use the clues to fill in the words above. Words can go across or down. Letters are shared when the words intersect. crossword puzzle
Across
  1. Prefix meaning "many".
  2. A ______represents the chemical name of a compound.
  3. Chemical substance with the formula "H2O".
  4. A short way of describing a chemical reaction.
  5. Term used to describe the end result of a chemical reaction.
  6. Name given to negatively charged ions.
  7. Term used to describe starting materials in a chemical reaction.
  8. How many atoms of oxygen are present in the formula Pb(NO3)2.
Down
  1. Number placed in front of a formula when balancing equations.
  2. Ions with more than one element combined, e.g. OH-.
  3. Name given to positively charged ion.
  4. Element with the symbol "Mg".
  5. Symbol used to represent sodium.
  6. The plus sign on the right hand side of an equation means __________.
  7. The plus sign on the left hand side of a chemical equation means.

15 Clues: Prefix meaning "many". • Element with the symbol "Mg". • Symbol used to represent sodium. • Name given to positively charged ion. • Name given to negatively charged ions. • Chemical substance with the formula "H2O". • A short way of describing a chemical reaction. • Ions with more than one element combined, e.g. OH-. • A ______represents the chemical name of a compound. • ...

Chem Comm Unit 4-2 Chemical Equations 2022-11-29

Chem Comm Unit 4-2 Chemical Equations crossword puzzle
Across
  1. Chemical ________-a group of atomic symbols...
  2. _________ Chemical Equation-shows how many...
  3. a chemical reaction only arranges
  4. Chemical ______-a written chemical reaction...
  5. reactants on the ____ and products on the right
  6. how many there is if there is no # before reactant..
Down
  1. numbers that are written before reactants
  2. Chemical ________-reactants equal to mass of...
  3. captured gases of a combustion reaction...
  4. ____ of Conservation of Matter-a scientific...

10 Clues: a chemical reaction only arranges • numbers that are written before reactants • captured gases of a combustion reaction... • _________ Chemical Equation-shows how many... • Chemical ________-a group of atomic symbols... • ____ of Conservation of Matter-a scientific... • Chemical ______-a written chemical reaction... • Chemical ________-reactants equal to mass of... • ...

Science Vocabulary 2016-12-07

Science Vocabulary crossword puzzle
Across
  1. chemical rule of thumb that reflects observation that atoms of main-group elements tend to combine in such a way that each atom has eight electrons in its valence shell
  2. having legal force
  3. which a single compound breaks down into two or more elements or new compounds
  4. name given to a horizontal row of the periodic table
  5. The central part of an atom that contains the protons and neutron
  6. results in the formation of new chemical substances
  7. the law that the properties of the elements are periodic functions of their atomic numbers
  8. exothermic reaction in which something reacts with oxygen
  9. a substance made by mixing other substances together.
  10. total number of protons and neutrons
  11. smallest component of an element
  12. lasting attraction between atoms that enables the formation of chemical compounds
  13. a positive charged ion
  14. type of chemical reaction where an element reacts with a compound and takes the place of another element in that compound.
  15. substances that are made of only one type of atom or only one type of molecule
  16. stored in the bonds of chemical compounds
  17. not consistent or having a fixed pattern
  18. tryout or experiment to test quality
  19. number or symbol multiplied with a variable or an unknown quantity in an algebraic term
  20. various particles of matter that are smaller than a hydrogen atom
  21. smallest of the particles that make up an atom, and they carry a negative charge
  22. substance that is formed as the result of a chemical reaction
  23. an element (e.g., germanium or silicon) whose properties are intermediate between those of metals and solid nonmetals.
  24. which two or more simple substances combine to form a more complex product
  25. electrically charged atom or group of atoms formed by the loss or gain of one or more electrons
  26. the number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table.
  27. also called a molecular bond, is a chemical bond that involves the sharing of electron pairs between atoms.
  28. A mixture which has uniform composition and properties throughout
  29. two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons
  30. Elements that form cations when compounds of it are in solution and oxides of the elements form hydroxides rather than acids in water
  31. characteristic of a substance that is observed during a reaction in which the chemical composition
Down
  1. A mixture is a combination of two or more pure substances in which the original substances retain their chemical properties
  2. a variable (often denoted by x ) whose variation does not depend on that of another.
  3. is a measure of mass per volume
  4. property or characteristic of a substance that is observed during a reaction in which the chemical composition or identity of the substance is changed
  5. type of chemical reaction where two compounds react, and the positive ions (cation) and the negative ions (anion) of the two reactants switch places
  6. mass of an isotope of an element measured in units
  7. chemical reaction in the form of symbols and formulae
  8. is a column of elements in the periodic table of the chemical elements
  9. a thing that is composed of two or more separate elements
  10. a substance that takes part in and undergoes change during a reaction.
  11. process describes a process or reaction in which the system absorbs energy from its surroundings
  12. needs to be balanced so that it follows the law of conservation of mass
  13. unchanging standard of comparison in scientific experimentation
  14. chemical element (as boron, carbon, or nitrogen) that lacks the characteristics of a metal and that is able to form anions, acidic oxides, acids, and stable compounds with hydrogen.
  15. the variable being tested in a scientific experiment
  16. chemical reaction that releases energy by light or heat
  17. color, smell, freezing point, boiling point, melting point
  18. is a subatomic particle found in the nucleus of atoms that differs from the other subatomic particles
  19. set of chemical symbols showing the elements present in a compound and their relative proportions
  20. process that involves rearrangement of the molecular
  21. is a charged chemical species (ion) composed of two or more atoms covalently bonded
  22. form when one atom gives up one or more electrons to another atom
  23. changes affecting the form of a chemical substance
  24. explanation made on the basis of limited evidence as a starting point for further investigation.
  25. substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
  26. regions of space around the nucleus of an atom where an electron is likely to be found
  27. negative charged ion
  28. Particle found in a nucleus with a positive charge
  29. substances that cannot be chemically interconverted or broken down into simpler substances and are primary constituents of matter
  30. assumed to have a fixed value in a specified mathematical context

61 Clues: having legal force • negative charged ion • a positive charged ion • is a measure of mass per volume • smallest component of an element • total number of protons and neutrons • tryout or experiment to test quality • not consistent or having a fixed pattern • stored in the bonds of chemical compounds • mass of an isotope of an element measured in units • ...

Chemical equations 2023-04-05

Chemical equations crossword puzzle
Across
  1. Not created or destroyed in a chemical reaction
  2. A reaction where the products are warmer than the reactants
  3. Two or more of any elements
  4. Substance before a chemical reaction
Down
  1. A reaction where the products are colder than the reactants
  2. Making and equation have equal atoms in the reactants and products
  3. Signifies the process of a chemical reaction
  4. The thing you change to make a chemical equation follow the law of conservation of mass
  5. Resulting substance in a chemical reaction
  6. Two or more combined different elements

10 Clues: Two or more of any elements • Substance before a chemical reaction • Two or more combined different elements • Resulting substance in a chemical reaction • Signifies the process of a chemical reaction • Not created or destroyed in a chemical reaction • A reaction where the products are colder than the reactants • ...

Unit two vocab 2023-01-25

Unit two vocab crossword puzzle
Across
  1. a substance that is present at the end of a chemical reaction
  2. any of the basic units of structure of DNA or RNA that consist of a base joined to a sugar with 5 carbon atoms in a molecule and to a phosphate group
  3. a biological catalyst and is almost always a protein.
  4. the surface on which an organism (eg: plant, fungus, or animal) lives or the substance on which an enzyme can act.
  5. the simples carbohydrates since they cannot by hydrolyzed to smaller carbohydrates
  6. A measure of how acidic or basic a substance or solution is
  7. macromolecules consisting of a long-chain of smaller repeating units and side groups
  8. compounds that are soluble in organic solvents and insoluble in polar solvents such as water
  9. large biomolecules that play essential roles in all cells and viruses
  10. a molecule made up of amino acids
Down
  1. a molecule that can be boned to other identical molecules to form a polymer
  2. sugar molecules
  3. The chemical changes that take place in a cell or an organism.
  4. molecules that combine to form proteins
  5. a substance that speeds up a chemical reaction, or lowers the temperature or pressure needed to start one, without itself being consumed during the reaction.
  6. the minimum energy required to cause a process to occur
  7. breaking chemical bonds between reactant molecules and forming new bonds between atoms in product particles
  8. A substances that changes when it is combined with another substance in a chemical reaction

18 Clues: sugar molecules • a molecule made up of amino acids • molecules that combine to form proteins • a biological catalyst and is almost always a protein. • the minimum energy required to cause a process to occur • A measure of how acidic or basic a substance or solution is • a substance that is present at the end of a chemical reaction • ...

Physical Science Period 7 Chapter 13 Jada Blanchard 2021-11-28

Physical Science Period 7 Chapter 13 Jada Blanchard crossword puzzle
Across
  1. a type of reaction where there s a net absorbtion of energy.
  2. a type of chemical reaction AB+oxygen-> oxides of A and B
  3. 2 words: A type of chemical reaction: AB+CD->AD+CB
  4. a type of reaction where there is a net RELEASE of energy
Down
  1. a type of chemical reaction where there are more + signs on the product side than the reactant. AB->A+B
  2. 2 words: a type of chemical reaction: AB+C->AC+B
  3. 2 words: also known as bond energy, it is the amount of energy required to pull 2 bonded atoms apart(the same amount of energy relesased when they are brought together)
  4. What the final thing is called (who's going out) Arrow is pointing at this
  5. what was originally there in a chemical reaction (who's going in)
  6. A type of chemical reaction where there are more + signs on the reactant side than product. A+B->AB
  7. Law of ____ conservation: no atoms are gained/lost during any reaction but just change partners to form new materials.

11 Clues: 2 words: a type of chemical reaction: AB+C->AC+B • 2 words: A type of chemical reaction: AB+CD->AD+CB • a type of chemical reaction AB+oxygen-> oxides of A and B • a type of reaction where there is a net RELEASE of energy • a type of reaction where there s a net absorbtion of energy. • what was originally there in a chemical reaction (who's going in) • ...

Caroline Davis Chapter 13 2020-10-20

Caroline Davis Chapter 13 crossword puzzle
Across
  1. A chemical that accepts a hydrogen ion
  2. is a substance that lowers the
  3. the minimum energy required to overcome the initial breaking of bonds in reactants.
  4. when reaction and it’s reverse act at the same rate.
  5. When there is a net release of energy during a chemical reaction
  6. The amount of energy needed to pull two bonded atoms apart.
  7. for the reaction to proceed at a faster rate
Down
  1. When there is a net absorption of energy during a chemical reaction
  2. how quickly the concentration of reactants decreases and how quickly the concentration of products increases.
  3. if changed, the equilibrium shifts to oppose change, until new equilibrium is reached.
  4. A chemical that donates a hydrogen ion
  5. energy of a chemical reaction, which

12 Clues: is a substance that lowers the • energy of a chemical reaction, which • A chemical that accepts a hydrogen ion • A chemical that donates a hydrogen ion • for the reaction to proceed at a faster rate • when reaction and it’s reverse act at the same rate. • The amount of energy needed to pull two bonded atoms apart. • ...

chem bonus 2023-04-25

chem bonus crossword puzzle
Across
  1. subatomic particle with a negative charge
  2. standard unit of temperature
  3. two atoms sharing electrons
  4. right side of a chemical equation
  5. organizes all elements into rows and columns
  6. gas to liqiud
  7. catalyst that speeds up a chemical reactions
  8. mass divided by volume
  9. gas law that relates pressure and volume at constant temperature and amount
  10. solid becoming a liquid
  11. smallest unit of matter
  12. 6.022×10^23
Down
  1. anything that has mass and takes up space
  2. compound formed from positive and negative ions
  3. what Mrs. Carley teaches
  4. solid, liquid, gas
  5. numbers that matter
  6. Actual yield divided by theoretical yield times 100
  7. standard unit of energy
  8. A chemical reaction that has a positive change in enthalpy.
  9. ΔH
  10. The relating of one chemical substance to another using a balanced chemical reaction

22 Clues: ΔH • 6.022×10^23 • gas to liqiud • solid, liquid, gas • numbers that matter • mass divided by volume • standard unit of energy • solid becoming a liquid • smallest unit of matter • what Mrs. Carley teaches • two atoms sharing electrons • standard unit of temperature • right side of a chemical equation • anything that has mass and takes up space • subatomic particle with a negative charge • ...

Chemistry Crossword 2016-07-26

Chemistry Crossword crossword puzzle
Across
  1. A substance made of one type of atom only
  2. A mixture of sugar and water is called a s......n
  3. The raw materials in a chemical reaction
  4. In a mixture of sugar and water, sugar is the s....e
  5. In a chemical r......n chemical bonds are broken or made, and new substances are formed
Down
  1. A chemical expression that shows the reactants and products in a chemical reaction
  2. The end results of a chemical reaction
  3. Compounds are held together by chemical b...s
  4. The study of matter and how it changes
  5. Something that dissolves other substances, eg. water
  6. The chemical formula for c...k is CaCO3

11 Clues: The end results of a chemical reaction • The study of matter and how it changes • The chemical formula for c...k is CaCO3 • The raw materials in a chemical reaction • A substance made of one type of atom only • Compounds are held together by chemical b...s • A mixture of sugar and water is called a s......n • Something that dissolves other substances, eg. water • ...

Science Vocabulary 2016-12-07

Science Vocabulary crossword puzzle
Across
  1. explanation made on the basis of limited evidence as a starting point for further investigation.
  2. chemical reaction in the form of symbols and formulae
  3. Elements that form cations when compounds of it are in solution and oxides of the elements form hydroxides rather than acids in water
  4. unchanging standard of comparison in scientific experimentation
  5. also called a molecular bond, is a chemical bond that involves the sharing of electron pairs between atoms.
  6. not consistent or having a fixed pattern
  7. total number of protons and neutrons
  8. a thing that is composed of two or more separate elements
  9. the variable being tested in a scientific experiment
  10. is a charged chemical species (ion) composed of two or more atoms covalently bonded
  11. number or symbol multiplied with a variable or an unknown quantity in an algebraic term
  12. substance that is formed as the result of a chemical reaction
  13. the law that the properties of the elements are periodic functions of their atomic numbers
  14. Particle found in a nucleus with a positive charge
  15. is a subatomic particle found in the nucleus of atoms that differs from the other subatomic particles
  16. a variable (often denoted by x ) whose variation does not depend on that of another.
  17. a substance made by mixing other substances together.
  18. substances that cannot be chemically interconverted or broken down into simpler substances and are primary constituents of matter
  19. type of chemical reaction where two compounds react, and the positive ions (cation) and the negative ions (anion) of the two reactants switch places
  20. needs to be balanced so that it follows the law of conservation of mass
  21. smallest of the particles that make up an atom, and they carry a negative charge
  22. two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons
  23. which two or more simple substances combine to form a more complex product
  24. substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
  25. smallest component of an element
  26. chemical rule of thumb that reflects observation that atoms of main-group elements tend to combine in such a way that each atom has eight electrons in its valence shell
Down
  1. The central part of an atom that contains the protons and neutron
  2. is a column of elements in the periodic table of the chemical elements
  3. A mixture which has uniform composition and properties throughout
  4. changes affecting the form of a chemical substance
  5. color, smell, freezing point, boiling point, melting point
  6. name given to a horizontal row of the periodic table
  7. A mixture is a combination of two or more pure substances in which the original substances retain their chemical properties
  8. lasting attraction between atoms that enables the formation of chemical compounds
  9. property or characteristic of a substance that is observed during a reaction in which the chemical composition or identity of the substance is changed
  10. a positive charged ion
  11. a substance that takes part in and undergoes change during a reaction.
  12. type of chemical reaction where an element reacts with a compound and takes the place of another element in that compound.
  13. form when one atom gives up one or more electrons to another atom
  14. the number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table.
  15. which a single compound breaks down into two or more elements or new compounds
  16. regions of space around the nucleus of an atom where an electron is likely to be found
  17. chemical reaction that releases energy by light or heat
  18. mass of an isotope of an element measured in units
  19. process that involves rearrangement of the molecular
  20. exothermic reaction in which something reacts with oxygen
  21. stored in the bonds of chemical compounds
  22. process describes a process or reaction in which the system absorbs energy from its surroundings
  23. results in the formation of new chemical substances
  24. assumed to have a fixed value in a specified mathematical context
  25. substances that are made of only one type of atom or only one type of molecule
  26. various particles of matter that are smaller than a hydrogen atom
  27. an element (e.g., germanium or silicon) whose properties are intermediate between those of metals and solid nonmetals.
  28. chemical element (as boron, carbon, or nitrogen) that lacks the characteristics of a metal and that is able to form anions, acidic oxides, acids, and stable compounds with hydrogen.
  29. negative charged ion
  30. set of chemical symbols showing the elements present in a compound and their relative proportions
  31. having legal force
  32. is a measure of mass per volume
  33. electrically charged atom or group of atoms formed by the loss or gain of one or more electrons
  34. characteristic of a substance that is observed during a reaction in which the chemical composition
  35. tryout or experiment to test quality

61 Clues: having legal force • negative charged ion • a positive charged ion • is a measure of mass per volume • smallest component of an element • total number of protons and neutrons • tryout or experiment to test quality • not consistent or having a fixed pattern • stored in the bonds of chemical compounds • changes affecting the form of a chemical substance • ...

Lesson 4: Compound Chemistry 2023-01-25

Lesson 4: Compound Chemistry crossword puzzle
Across
  1. substances that you start with in a chemical reaction
  2. substances that are left after a chemical reaction
  3. tastes sour, conducts electricity, ruins metal, and donates hydrogen ions
  4. stands for potential of hydrogen
  5. valuable crystals
  6. type of reaction when two or more substances interact and change into different substances
Down
  1. type of reaction that releases energy
  2. a base that works against an acid
  3. type of reaction that absorbs energy
  4. solid that has regular, repeating arrangement of atoms and form geometric shapes
  5. type of reaction that involves changing states of matter
  6. molecules arranged in long chains of repeating small molecules
  7. tastes chalky or bitter, breaks down fats, receives hydrogen ions

13 Clues: valuable crystals • stands for potential of hydrogen • a base that works against an acid • type of reaction that absorbs energy • type of reaction that releases energy • substances that are left after a chemical reaction • substances that you start with in a chemical reaction • type of reaction that involves changing states of matter • ...

Chemistry 2016-12-19

Chemistry crossword puzzle
Across
  1. A nuclear reaction when a large nucleus splits into two smaller nuclei.
  2. A type of reaction that can convert an atom into an atom of another element.
  3. A word used to describe when a substance is able to be stretched into wires.
  4. A special type of reaction when a substance reacts with oxygen gas.
  5. A base that will dissolve in water.
  6. A type of reaction that releases heat.
  7. A substance that turns litmus paper blue.
  8. The name given to the reaction used by plants to produce sugar.
  9. A word used to describe when a substance is able to be hammered into new shapes.
  10. Subatomic particle with a negative charge.
  11. The name given the substances you are left with after a chemical reaction.
  12. The chemical symbol NA is for which atom?
Down
  1. The name given to the cluster of protons and neutrons at the centre of an atom.
  2. The name given to a cluster of atoms.
  3. A type of reaction that absorbs heat from the surroundings.
  4. A mixture of a base metal and small amounts of other elements.
  5. An atom that becomes electrically charged from losing or gaining electrons.
  6. There are 118 known types of atoms, and only 98 are found ________ on Earth.
  7. A substance that turns litmus paper red.
  8. The name given to substances you start with in a chemical reaction.
  9. A substance that is made up of different types of atoms.
  10. A chemical that changes colour to show if a substance is acidic, neutral, or basic.
  11. The name given to an atom that has the same number of protons but a different number of neutrons.
  12. A substance that is made up of one type of atom.
  13. Subatomic particle that is found in the cloud that surrounds the nucleus.
  14. the product formed when iron reacts with water.
  15. Subatomic particle with a positive charge.

27 Clues: A base that will dissolve in water. • The name given to a cluster of atoms. • A type of reaction that releases heat. • A substance that turns litmus paper red. • A substance that turns litmus paper blue. • The chemical symbol NA is for which atom? • Subatomic particle with a negative charge. • Subatomic particle with a positive charge. • ...