chemical reaction Crossword Puzzles

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. • ...

Science Vocabulary 2013-12-12

Science Vocabulary crossword puzzle
Across
  1. a process that leads to the transformation of one set of chemical substances to another
  2. releases heat energy
  3. occurs when a substance combines with another to create a new substance
  4. result of chemical equation
  5. substances that mix in a chemical reaction
  6. Slows down a chemical reaction
Down
  1. a substance produced by a living organism that acts as a catalyst to bring about a specific biochemical reaction.
  2. mass cannot be created nor destroyed
  3. 2Ag+2HCl=2AgCl+H2
  4. absorbed heat energy
  5. Speed up a chemical reaction

11 Clues: 2Ag+2HCl=2AgCl+H2 • releases heat energy • absorbed heat energy • result of chemical equation • Speed up a chemical reaction • Slows down a chemical reaction • mass cannot be created nor destroyed • substances that mix in a chemical reaction • occurs when a substance combines with another to create a new substance • ...

Unit 5 Vocabulary 2022-11-21

Unit 5 Vocabulary crossword puzzle
Across
  1. An atom or molecule that has a positive or negative net charge from losing or gaining electrons.
  2. The substances that go into and are changed during a chemical reaction.
  3. Chemical bond in which electrons are shared between atoms to form electron pairs.
  4. Chemical reaction in which two or more simple substances react, forming a complex product (A + B -> AB).
  5. A substance made from two or more chemically joined elements.
  6. Compounds in which oppositely charged ions attract each other.
  7. Chemical reaction in which a reactant breaks down into two or more products (AB -> A + B).
  8. Chemical reaction in which two reacting ionic compounds switch places, forming two new products (AB + CD -> AD + CB).
Down
  1. Chemical reaction in which one element is replaced by another element in a compound (A + BC -> AC + B).
  2. Number placed in front of a chemical formula, representing how many molecules there are of that formula.
  3. An element that is never found by itself and is always bonded to another atom (remember: have no fear of ice cold bears).
  4. Number that comes after and below a symbol, representing how many atoms there are of that element.
  5. Oxygen combines with an element or a compound, forming an oxide. It releases energy as heat and light.
  6. The substances formed from chemical reactions.

14 Clues: The substances formed from chemical reactions. • A substance made from two or more chemically joined elements. • Compounds in which oppositely charged ions attract each other. • The substances that go into and are changed during a chemical reaction. • Chemical bond in which electrons are shared between atoms to form electron pairs. • ...

Chemistry 2024-06-13

Chemistry crossword puzzle
Across
  1. The insoluble substance formed during a chemical reaction
  2. change in which new substance and new properties are formed
  3. Reaction in which a more reactive metal displaces a less reactive metal
  4. Substances that are formed as a result of a chemical reaction
  5. Reaction in which a single compound breaks into two or more elements or compounds
Down
  1. Reaction in which heat is released
  2. A shorter way to show chemical reactions using symbols instead of words
  3. A process that occurs when atoms or groups of atoms lose electrons.
  4. substance that take place in reaction
  5. Spoilage of food
  6. reaction in which oxidation and reduction both takes places simultaneously

11 Clues: Spoilage of food • Reaction in which heat is released • substance that take place in reaction • The insoluble substance formed during a chemical reaction • change in which new substance and new properties are formed • Substances that are formed as a result of a chemical reaction • A process that occurs when atoms or groups of atoms lose electrons. • ...

Stoichiometry Crossword Puzzle 2025-02-05

Stoichiometry Crossword Puzzle crossword puzzle
Across
  1. A way of counting similar to a gross
  2. mass in grams of one mole of a substance
  3. The amount of a substance you should be able get out of a chemical reaction
  4. The Abbreviation of "standard temperature and pressure"
  5. A reactant that is fully used up in a chemical reaction
  6. A way of converting units of measurement
  7. The efficiancy of a chemical reaction, or what percent of a substance you got versus what you were supposed to get
Down
  1. A reactant that is not fully used in a chemical reaction
  2. The ratio of the amount of moles of a substance put into a reaction versus the amount of moles that come out of the reaction
  3. The amount of particles in one mole of anything
  4. Taking the relationships between reactants and products to find the desired data of a problem
  5. The amount of a substance that you actually get out of a chemical reaction
  6. A unit of concentration for solutions that is frequently used in chemistry, and is defined as the number of moles in a solute divided by the volume(in Liters)

13 Clues: A way of counting similar to a gross • mass in grams of one mole of a substance • A way of converting units of measurement • The amount of particles in one mole of anything • The Abbreviation of "standard temperature and pressure" • A reactant that is fully used up in a chemical reaction • A reactant that is not fully used in a chemical reaction • ...

Science Vocabulary 2016-12-07

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

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 • ...

Vocabulary Up to Now 2022-01-31

Vocabulary Up to Now crossword puzzle
Across
  1. bacteria, fungi, living
  2. smallest particle of an element
  3. air, mineral, light not living
  4. of all kinetic energy heat is present
  5. by natural means in a short period
  6. sum of all living matter on earth
  7. that takes changes in chemicalreaction
  8. reaction during which heat releases
  9. simplest unit of a chemical compound
  10. living thing
  11. produced during a chemical reaction
Down
  1. replaceable by natural means
  2. that is stored in a system/object
  3. of gas surrounding a planet
  4. source or supply that benefits organisms
  5. of motion
  6. reaction requiring the absorption of heat

17 Clues: of motion • living thing • bacteria, fungi, living • of gas surrounding a planet • replaceable by natural means • air, mineral, light not living • smallest particle of an element • that is stored in a system/object • sum of all living matter on earth • by natural means in a short period • reaction during which heat releases • produced during a chemical reaction • ...

Chemical Reactions 2016-10-23

Chemical Reactions crossword puzzle
Across
  1. Highly Combustible chemicals; petrol is a mix of me
  2. A chemical reaction that releases energy
  3. Combustion that occurs when there is plenty of oxygen. It produces carbon dioxide and water vapour
  4. A way of protecting aluminium from corrosion, by deliberately creating a layer of aluminium oxide over it
  5. The term commonly used for sodium chloride, but covers any compound formed by a metal taking place of the hydrogen atom in acid
Down
  1. A green coating of copper hydroxide that is produced when copper reacts with moisture, carbon dioxide and oxygen in the atmosphere; chemical formula Cu(OH)
  2. Endothermic reaction that takes place in green plants. Uses energy from sunlight to combine water and carbon dioxide and produce glucose and oxygen gas
  3. The breakdown of metals due to their reaction with other chemicals
  4. Hydrated iron oxide, Fe2O3.H2O
  5. A tern used ti describe materials that store carbon in their structures. Plants and animals can be thought of as carbon sinks
  6. Rain that has acids such as nitric acid and sulfuric acid dissolved into it
  7. Chemicals produced in a chemical reaction. They are written on the right hand side of the arrow
  8. Chemicals that take part in a chemical reaction. They are written of the left hand side of the arrow
  9. A rapid reaction with oxygen that releases energy in the for of heat and/or light
  10. A chemical reaction that absorbs energy

15 Clues: Hydrated iron oxide, Fe2O3.H2O • A chemical reaction that absorbs energy • A chemical reaction that releases energy • Highly Combustible chemicals; petrol is a mix of me • The breakdown of metals due to their reaction with other chemicals • Rain that has acids such as nitric acid and sulfuric acid dissolved into it • ...

Physical and Chemical Changes Vocabulary 2023-03-22

Physical and Chemical Changes Vocabulary crossword puzzle
Across
  1. change occurs when atoms link together in new ways to create
  2. of Conservation of Mass states that the mass of an object, or
  3. examples: decaying, and burning
  4. change a change that alters the form of an object without
  5. the deterioration of a material or metal, as it reacts with its
  6. different from the original substances. (also known as a chemical
  7. point the temperature at which a substance goes from a liquid to a gas
  8. how easily a substance is able to catch fire
Down
  1. what type of matter it is. Examples: molding clay, sharpening a pencil
  2. of objects never changes, no matter how the parts are rearranged.
  3. an original substance at the beginning of a chemical reaction (usually
  4. a substance at the end of a chemical reaction
  5. 100°C)
  6. a solid substance that forms and separates from a solution and
  7. evidence of a chemical change
  8. a thin layer of corrosion that forms over copper, brass, and silver.
  9. point the temperature at which a substance becomes solid (32 °F;
  10. property the way a substance reacts with other substances
  11. on the left side of a chemical equation)

19 Clues: 100°C) • evidence of a chemical change • examples: decaying, and burning • on the left side of a chemical equation) • how easily a substance is able to catch fire • a substance at the end of a chemical reaction • change a change that alters the form of an object without • property the way a substance reacts with other substances • ...

Leslie Munoz Crossword 2017-02-27

Leslie Munoz Crossword crossword puzzle
Across
  1. the quantity of product formed by the interaction of two or more substances, generally expressed as a percentage of the quantity obtained to that theoretically obtainable
  2. a number or symbol multiplied with a variable or an unknown quantity
  3. ion- a charged particle which has two or more atoms held together by covalent bonds
  4. rapid oxidation accompanied by heat and usually light
  5. the passage of an electric current through an electrolyte with subsequent migration of positively and negatively charged ions to the negative and positive electrodes
  6. containing water
  7. the process or result of reducing
  8. compound-a chemical compound that contains exactly two different elements
  9. a substance that causes or accelerates a chemical reaction without itself being affected
Down
  1. replacement- a type of chemical where two compounds react and the positive ions and the negative ions of the two reactants switch places forming two new compounds or products
  2. the forming or building of a more complex substance or compound from elements or simpler compounds
  3. the process or result of oxidizing
  4. to separate a substance in solid from a solution as by means of e reagent
  5. the act or process of decomposing
  6. equation- a symbolic representation showing the kind and amount of the starting materials and products of a reaction
  7. any substance that undergoes a chemical change in a given reaction
  8. consisting of two atoms
  9. a substance obtained from another substance through chemical change
  10. replacement- a type of chemical reaction where an element reacts with a compound and takes the place of another element in that compound

19 Clues: containing water • consisting of two atoms • the act or process of decomposing • the process or result of reducing • the process or result of oxidizing • rapid oxidation accompanied by heat and usually light • any substance that undergoes a chemical change in a given reaction • a substance obtained from another substance through chemical change • ...

Chemistry Crossword 2019-08-21

Chemistry Crossword crossword puzzle
Across
  1. These reactions release energy.
  2. This is present in any combustion reaction.
  3. A type of energy source.
  4. These reactions absorb energy.
  5. Substances that are produced in a reaction.
Down
  1. Chemical element 'C'.
  2. This gets released in a combustion reaction.
  3. Chemical compound written as 'H2O'.
  4. A type of energy product in a combustion reaction.
  5. A substance that undergoes change during a chemical reaction.
  6. The process of burning.

11 Clues: Chemical element 'C'. • The process of burning. • A type of energy source. • These reactions absorb energy. • These reactions release energy. • Chemical compound written as 'H2O'. • This is present in any combustion reaction. • Substances that are produced in a reaction. • This gets released in a combustion reaction. • A type of energy product in a combustion reaction. • ...

Neutralization 2013-03-03

Neutralization crossword puzzle
Across
  1. defined as the amount of a constituent divided by the volume of the mixture.
  2. a substance that can accept hydrogen cations (protons) or more generally, donate a pair of valence electrons.
  3. abundance of a constituent divided by the total volume of a mixture.
  4. describes a process or reaction that releases energy from the system.
  5. a subatomic particle with a negative electric charge.
  6. chemical reaction where base and acid form salt.
Down
  1. a chemical compound with the chemical formula H2O.
  2. describes a process or reaction in which the system absorbs energy.
  3. an ion with more electrons than protons.
  4. an acid–base reaction theory, proposed independently by Johannes Nicolaus Brønsted and Thomas Martin Lowry in 1923.
  5. ionic compounds that result from the neutralization reaction of an acid and a base.
  6. a unit of measurement used in chemistry to express amounts of a chemical substance.
  7. a substance which reacts with a base.
  8. a subatomic particle with a positive electric charge.
  9. an ion with fewer electrons than protons.

15 Clues: a substance which reacts with a base. • an ion with more electrons than protons. • an ion with fewer electrons than protons. • chemical reaction where base and acid form salt. • a chemical compound with the chemical formula H2O. • a subatomic particle with a negative electric charge. • a subatomic particle with a positive electric charge. • ...

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 • ...

Chemical Reactions 2016-10-23

Chemical Reactions crossword puzzle
Across
  1. a rapid reaction with oxygen that releases energy in the form of heat and/or light.
  2. the breakdown of metals due to their reaction with other chemicals.
  3. a green coating of copper hydroxide that is produced when copper reacts with moisture, carbon dioxide and oxygen in the atmosphere; chemical formula Cu(OH)2
  4. a chemical reaction that obsorbs energy.
  5. endothermic reaction that takes place in green plants. uses energy from sunlight to combine water and carbon dioxide and produce glucose and oxygen.
  6. a way of protecting aluminium from corrosion, by deliberately creating a layer of aluminium oxide over it.
  7. chemicals that take part in chemical reaction. they are written on the left hand side of the arrow.
Down
  1. chemicals produced in a chemical reaction. they are written on the right hand side of the arrow.
  2. a chemical reaction that releases energy.
  3. hydrated iron (III) oxide, Fe2O3.H2O
  4. combustion that occurs when there is plenty of oxygen. it produces carbon dioxide and water vapour.
  5. a term used to describe materials that store carbon in their structures. plants and animals can be thought of as carbon sinks.
  6. the term commonly used for sodium chloride, but covers any compound formed by a metal taking the place of the hydrogen atom in an acid.
  7. highly combustible chemicals; petrol is a mixture of me.
  8. rain that has acids such as nitric acid and sulfuric acid dissolved in it.

15 Clues: hydrated iron (III) oxide, Fe2O3.H2O • a chemical reaction that obsorbs energy. • a chemical reaction that releases energy. • highly combustible chemicals; petrol is a mixture of me. • the breakdown of metals due to their reaction with other chemicals. • rain that has acids such as nitric acid and sulfuric acid dissolved in it. • ...

Chemical Reactions 2016-10-23

Chemical Reactions crossword puzzle
Across
  1. A chemical reaction that absorbs energy
  2. Combustion that occurs when there is plenty of oxygen. It produces carbon dioxide and water vapour
  3. A way of protecting aluminium from corrosion, by deliberately creating a layer of aluminium oxide over it
  4. Rain that has acids such as nitric acid and sulfuric acid dissolved into it
  5. A green coating of copper hydroxide that is produced when copper reacts with moisture, carbon dioxide and oxygen in the atmosphere; chemical formula Cu(OH)
  6. A rapid reaction with oxygen that releases energy in the for of heat and/or light
  7. The term commonly used for sodium chloride, but covers any compound formed by a metal taking place of the hydrogen atom in acid
Down
  1. The breakdown of metals due to their reaction with other chemicals
  2. Chemicals produced in a chemical reaction. They are written on the right hand side of the arrow
  3. Endothermic reaction that takes place in green plants. Uses energy from sunlight to combine water and carbon dioxide and produce glucose and oxygen gas
  4. Highly Combustible chemicals; petrol is a mix of me
  5. A tern used ti describe materials that store carbon in their structures. Plants and animals can be thought of as carbon sinks
  6. A chemical reaction that releases energy
  7. Hydrated iron oxide, Fe2O3.H2O
  8. Chemicals that take part in a chemical reaction. They are written of the left hand side of the arrow

15 Clues: Hydrated iron oxide, Fe2O3.H2O • A chemical reaction that absorbs energy • A chemical reaction that releases energy • Highly Combustible chemicals; petrol is a mix of me • The breakdown of metals due to their reaction with other chemicals • Rain that has acids such as nitric acid and sulfuric acid dissolved into it • ...

Chapter 3 Review BIOL2401 2020-09-08

Chapter 3 Review BIOL2401 crossword puzzle
Across
  1. This stage of cellular respiration has a product of two acetyl-CoA's and NADH.
  2. This type of reaction is when there is a net loss of reactants and gain of products over time.
  3. This is the only step of cellular respiration that can carry out with or without the presence of oxygen.
  4. A reaction in which larger molecules are broken down into smaller ones.
  5. A reaction mechanism in which the outcome is a decrease in function in response to a stimulus.
  6. This site is where a noncompetitive inhibitor would bind.
  7. The sum of all chemical reactions within the body.
  8. Stored energy.
  9. This step of cellular respiration is where the bulk of ATP is provided.
  10. This type of reaction is when there is no change in concentration of reactants and products.
  11. This site is where the substrate binds on an enzyme.
  12. Reaction in which energy is released with net decrease in potential energy.
  13. The measure of how quickly a chemical reaction takes place.
  14. When a protein changes shape, it is called...
Down
  1. Energy required to break existing chemical bonds.
  2. The addition of a phosphate group by protein kinases.
  3. Proteins that act as catalysts to speed of reactions.
  4. Protein loses it's shape or unfolds due to external stress.
  5. A reaction in which two or more structures are combined to form a larger one.
  6. The energy of motion.
  7. A set of metabolic reactions that convert biochemical nutrients into ATP.
  8. This type of reaction requires the input of energy from new bonds to increase potential energy.
  9. This type of reaction uses water to break down compounds.

23 Clues: Stored energy. • The energy of motion. • When a protein changes shape, it is called... • Energy required to break existing chemical bonds. • The sum of all chemical reactions within the body. • This site is where the substrate binds on an enzyme. • The addition of a phosphate group by protein kinases. • Proteins that act as catalysts to speed of reactions. • ...

#41 Redox-Equilibrium Review 2022-04-20

#41 Redox-Equilibrium Review crossword puzzle
Across
  1. if this is applied to a system at equilibrium, the system will change in order to relieve it
  2. an electric cell in which the electrolyte is absorbed in a solid to form a paste, preventing spillage
  3. increasing leads to a shift in the direction that absorbs heat
  4. the process or result of oxidizing or being oxidized
  5. a substance that is reduced
  6. only effects gases in chemical equations at equilibrium
  7. an electrochemical cell that uses a chemical reaction to produce chemical energy.
Down
  1. the minimum quantity of energy which the reactants must possess in order to undergo a specified reaction.
  2. moles/liter
  3. a device that converts chemical energy contained within its active materials directly into electric energy by means of an electrochemical oxidation-reduction (redox) reaction.
  4. Loss of Electrons is Oxidation, Gain of Electrons is Reduction
  5. a substance that is oxidized
  6. measurement (unit)/time
  7. Rate of products into reactants = rate of reactants into products
  8. a reaction that expels heat endothermic a reaction that absorbs heat
  9. Equilibrium Constant
  10. a natural process that converts a refined metal into a more chemically stable form

17 Clues: moles/liter • Equilibrium Constant • measurement (unit)/time • a substance that is reduced • a substance that is oxidized • the process or result of oxidizing or being oxidized • only effects gases in chemical equations at equilibrium • Loss of Electrons is Oxidation, Gain of Electrons is Reduction • increasing leads to a shift in the direction that absorbs heat • ...

Chemistry Crossword 2017-11-28

Chemistry Crossword crossword puzzle
Across
  1. - anything that has mass and occupies space
  2. metals - group 1 elements in the periodic table, not including hydrogen; the most reactive of the metals
  3. of matter - refers to the three common states in which matter can exist
  4. mass - mass of one atom of an element calculated from the total number of protons, neutrons, and electrons of that atom; measured in amu
  5. property - description of how a substance interacts with other substances, such as acids; chemical properties are observable only when a chemical change occurs
  6. - group 17 elements in the periodic table, the most reactive non-metals
  7. - pure substance that cannot be broken down into other substances; substances made up of only one type of atom
  8. - positively charged particle in the nucleus of an atom
  9. table - a table in which are organized by their physical and chemical properties
  10. un it - measure of atomic mass; 1 amu equals to 1 twelfth the mass of a carbon 12 atom
  11. - horizontal row of elements in the periodic table
  12. - ability of a substance to conduct electricity or heat
  13. - positively charged centre of an atom; contains protons and neutrons
Down
  1. - shiny, malleable, ductile element that conducts electricity
  2. - change of state from solid to liquid
  3. - neutral particle in the nucleus of an atom
  4. - substance that reacts with another substance or substances in a chemical reaction to create new substances with different properties
  5. - vertical column of elements of elements in the periodic table
  6. property - property that describes the physical appearance and composition of a substance
  7. metals - group 2 elements in the periodic table their reactivity is not as strong as alkali metals
  8. reaction - chemical reaction that releases energy
  9. reaction - chemical reaction that absorbs energy
  10. shell - orbits of electrons around the nucleus of an atom
  11. solution - a solution in which water is the solvent
  12. number - the sum of a number of protons and neutrons in an atom
  13. - chemical combination of two or more elements in a specific ratio
  14. gases - group 18 elements in the period table; the most stable and most unreactive elements

27 Clues: - change of state from solid to liquid • - anything that has mass and occupies space • - neutral particle in the nucleus of an atom • reaction - chemical reaction that absorbs energy • reaction - chemical reaction that releases energy • - horizontal row of elements in the periodic table • solution - a solution in which water is the solvent • ...

8.P.1.4 Vocabulary 2023-05-17

8.P.1.4 Vocabulary crossword puzzle
Across
  1. The mathematical representation of a chemical reaction.
  2. What begins a chemical reaction.
  3. It is the arrow in a chemical equation. It always points towards the products.
  4. Matter can neither be created nor destroyed in ordinary chemical reactions.
  5. During a reaction it is an area where there is an exchange of energy but not the exchange of matter, to the surroundings.
  6. What you get after a chemical reaction occurs.
Down
  1. Represents the total number of molecules of a chemical in the reaction.
  2. A word that is synonymous with molecule and compound.
  3. The symbol from the periodic table that is used to represent an element.
  4. During a reaction it is the area where there is an exchange of energy and matter, to the surroundings.
  5. The tiny numbers next to chemical symbols. They represent how many atoms there are of that molecule.

11 Clues: What begins a chemical reaction. • What you get after a chemical reaction occurs. • A word that is synonymous with molecule and compound. • The mathematical representation of a chemical reaction. • Represents the total number of molecules of a chemical in the reaction. • The symbol from the periodic table that is used to represent an element. • ...

Chemistry crossword 2024-05-10

Chemistry crossword crossword puzzle
Across
  1. used to measure pressure
  2. volume is proportional to temperature
  3. group of atoms joined together
  4. an atoms attraction to a shared electron
  5. charged atom
  6. a substance that can't be broken down any further
Down
  1. number of protons in an atom
  2. donates a proton
  3. energy that is needed to start a chemical reaction
  4. chemical reaction caused by heat
  5. recieves a proton
  6. a substance that speeds up a chemical reaction
  7. volume is inversely proportional to pressure
  8. a substance made by two different elements

14 Clues: charged atom • donates a proton • recieves a proton • used to measure pressure • number of protons in an atom • group of atoms joined together • chemical reaction caused by heat • volume is proportional to temperature • an atoms attraction to a shared electron • a substance made by two different elements • volume is inversely proportional to pressure • ...

Arson and Explosives Crossword 2021-04-12

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

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

Chemistry crossword 2014-11-07

Chemistry crossword crossword puzzle
Across
  1. ability of a substance to conduct electricity or heat
  2. mass of 1 atom of an element calculated from the total number of protons, neutrons, and electrons of that atom
  3. pure substance formed when at least one metal and non- metal combine
  4. change that results when two or more substances react to create a different substance or substances
  5. chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
  6. new substance produced in a chemical reaction between reactants
  7. element that has both metallic and non metallic properties
  8. pure substance that can not be broken down into other substances
  9. number of protons in the nucleus of one atom of an element
  10. description of a substance that can be pounded or rolled into sheets
  11. vertical column of elements in the periodic table
Down
  1. substance that helps a chemical reaction proceed more quickly
  2. change in the appearance or state of a substance that does not change the composition
  3. an experiment in which all reactants and all product of a chemical reaction are accounted for
  4. group 17 elements in the periodic table; the most reactive non-metals
  5. vertical column of elements in the periodic table
  6. description of a solid that can be stretched into long wire
  7. slow chemical change that occurs when oxygen in the air reacts with a metal
  8. pure substance formed when at least one metal and one non metal combine
  9. chemical combination of two or more elements i a specific ratio
  10. neutral particle in the nucleus of an atom
  11. group 1 elements in the periodic table, not including hydrogen; the most reactive of the metals
  12. catalyst involved in chemical reactions in living things
  13. shiny,malleable,ductile, element that conducts electricity
  14. invisible negatively charged particle that orbits the nucleus of an atom

25 Clues: neutral particle in the nucleus of an atom • vertical column of elements in the periodic table • vertical column of elements in the periodic table • ability of a substance to conduct electricity or heat • catalyst involved in chemical reactions in living things • element that has both metallic and non metallic properties • ...

Chemistry Crossword 2017-03-23

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

22 Clues: how fast or slow a reaction proceeds • a mixture of solute dissolved in water • an acid solution with a high concentration • a small molecule from which polymers are made • a reaction that involves the breakdown of a compound • an ion that does not take part in a chemical reaction • a reaction that involves oxygen, light and heat energy • ...

Unit 5 (Chapter 20 p456) 2023-10-09

Unit 5 (Chapter 20 p456) crossword puzzle
Across
  1. a term that describes a chemical reaction in which there is a net release of energy
  2. the new materials formed in a chemical reaction
  3. a term that describes a chemical reaction in which there is a net absorption of energy
  4. matter is neither created nor destroyed during a chemical reaction
  5. a measure of how quickly the concentration of products in a chemical reaction increases or the concentration of reactants decreases
Down
  1. the reacting substances in a chemical reaction
  2. a representation of a chemical reaction in which reactants are drawn before an arrow that points to the products
  3. any substance that increases the rate of a chemical reaction without itself being consumed by the reaction
  4. the minimum energy required in order for a chemical reaction to proceed

9 Clues: the reacting substances in a chemical reaction • the new materials formed in a chemical reaction • matter is neither created nor destroyed during a chemical reaction • the minimum energy required in order for a chemical reaction to proceed • a term that describes a chemical reaction in which there is a net release of energy • ...

Chemistry 2024-06-13

Chemistry crossword puzzle
Across
  1. reaction in which oxidation and reduction both takes places simultaneously
  2. Reaction in which a more reactive metal displaces a less reactive metal
  3. Reaction in which a single compound breaks into two or more elements or compounds
  4. Reaction in which heat is released
  5. A shorter way to show chemical reactions using symbols instead of words
Down
  1. The insoluble substance formed during a chemical reaction
  2. Substances that are formed as a result of a chemical reaction
  3. A process that occurs when atoms or groups of atoms lose electrons.
  4. Spoilage of food
  5. change in which new substance and new properties are formed
  6. substance that take place in reaction

11 Clues: Spoilage of food • Reaction in which heat is released • substance that take place in reaction • The insoluble substance formed during a chemical reaction • change in which new substance and new properties are formed • Substances that are formed as a result of a chemical reaction • A process that occurs when atoms or groups of atoms lose electrons. • ...

Macromolecules and Enzymes 2021-12-06

Macromolecules and Enzymes crossword puzzle
Across
  1. substance that speeds up the rate of a chemical reaction
  2. element or compounds produced by a chemical reaction
  3. protein catalyst that speeds up the rate of specific biological reaction
  4. process that changes, or transforms, one set of chemicals into another set of chemicals
  5. compound made up of carbon, hydrogen, and oxygen atoms; type of nutrient that is the major source energy for the body
Down
  1. elements or compounds that enter into a chemical reaction
  2. energy that is needed to get a reaction started
  3. compound with an amino group on one end an a carboxyl group on the other end
  4. molecules composed of may monomers; makes up macromolecules
  5. reactant of an enzyme-catalyzed reaction
  6. subunit of which nucleic acids are composed; made up of a 5 -carbon sugar, a phosphate group, and a nitrogenous base.
  7. macromolecules containing hydrogen, oxygen, nitrogen, carbon, and phosphorous
  8. macromolecule made mostly from carbon and hydrogen atoms; includes fats, oils, and waxes
  9. small chemical unit that makes up a polymer

14 Clues: reactant of an enzyme-catalyzed reaction • small chemical unit that makes up a polymer • energy that is needed to get a reaction started • element or compounds produced by a chemical reaction • substance that speeds up the rate of a chemical reaction • elements or compounds that enter into a chemical reaction • ...

week 6 2025-02-05

week 6 crossword puzzle
Across
  1. ลิแกนด์
  2. อิเล็กตรอนเวเลนซ์
  3. กัมมันตรังสี
  4. เซลล์อิเล็กโทรเคมี
  5. คีเลชัน
  6. ออร์บิทัลโมเลกุล
  7. อุณหพลศาสตร์
  8. เอนโทรปี
  9. สมดุลเคมี
Down
  1. โครงสร้างเรโซแนนซ์
  2. สโตอิชิโอเมทรี
  3. คู่อิเล็กตรอนโดดเดี่ยว
  4. ผลผลิตเชิงทฤษฎี
  5. ไอออนเชิงซ้อน
  6. mechanism กลไกปฏิกิริยา
  7. เอนทัลปี
  8. จลนพลศาสตร์ของปฏิกิริยา
  9. ครึ่งชีวิต
  10. แรงระหว่างโมเลกุล
  11. energy พลังงานกระตุ้น

20 Clues: ลิแกนด์ • คีเลชัน • เอนทัลปี • เอนโทรปี • สมดุลเคมี • ครึ่งชีวิต • กัมมันตรังสี • อุณหพลศาสตร์ • ไอออนเชิงซ้อน • สโตอิชิโอเมทรี • ผลผลิตเชิงทฤษฎี • ออร์บิทัลโมเลกุล • อิเล็กตรอนเวเลนซ์ • แรงระหว่างโมเลกุล • โครงสร้างเรโซแนนซ์ • เซลล์อิเล็กโทรเคมี • energy พลังงานกระตุ้น • คู่อิเล็กตรอนโดดเดี่ยว • mechanism กลไกปฏิกิริยา • จลนพลศาสตร์ของปฏิกิริยา

Chemical Reactions 2022-11-07

Chemical Reactions crossword puzzle
Across
  1. an instrument that measure the amount of light of a specific wavelength absorbed by a chemical compound
  2. describes a chemical reaction by showing the formula of all reactants and products
  3. a description of a chemical compound using the letter designations of the elements
  4. the amount of a product produced by a chemical reaction
  5. a chemical compound produced through a chemical reaction
Down
  1. the forces between atoms that hold those atoms together to form compounds
  2. a chemical that speeds up a chemical reaction without being consumed in the reaction
  3. an insulated container that prevents a chemical reaction from gaining or losing heat due to its surroundings
  4. anything that has mass and takes up space
  5. the smallest particle of matter that still retains the properties of an element

10 Clues: anything that has mass and takes up space • the amount of a product produced by a chemical reaction • a chemical compound produced through a chemical reaction • the forces between atoms that hold those atoms together to form compounds • the smallest particle of matter that still retains the properties of an element • ...

Unit 7.2 Chemical Reactions and Energy 2025-01-15

Unit 7.2 Chemical Reactions and Energy crossword puzzle
Across
  1. Individuals or groups who have a vested interest in a particular project or decision
  2. Chemical reaction that needs a constant input of energy to continue because it takes more energy to break bonds in the reactants than is released when new bonds form in the products.
  3. Law stating that energy cannot be created or destroyed in chemical reactions.
  4. An apparatus in which environmental conditions, such as temperature and humidity, can be controlled
  5. The series of effects that result from a single action or decision
  6. Process in which some substances, called reactants, change chemically into different substances, called products
  7. Change in matter that occurs when matter changes chemically into an entirely different substance with different chemical properties.
  8. To make something as effective as possible
  9. The relocation of energy from one place to another, usually in a different form.
  10. substance that starts a chemical reaction
  11. Factors that limit or restrict what can be done or achieved
  12. A set of standards or rules used to evaluate or judge something
  13. Chemical reaction that releases energy because it takes less energy to break bonds in the reactants than is released when new bonds form in the product.
  14. Transfer of thermal energy between objects that have different temperatures.
  15. Change in one or more of matter’s physical properties.
Down
  1. The compromises or sacrifices made when choosing between two or more options
  2. preliminary version of a product or a system used for testing and evaluation
  3. Law stating that matter cannot be created or destroyed in chemical reactions.
  4. Energy Total kinetic energy of all the atoms that make up an object.
  5. Best or ideal
  6. Average kinetic energy of particles of matter.
  7. Substance that is produced in a chemical reaction.

22 Clues: Best or ideal • substance that starts a chemical reaction • To make something as effective as possible • Average kinetic energy of particles of matter. • Substance that is produced in a chemical reaction. • Change in one or more of matter’s physical properties. • Factors that limit or restrict what can be done or achieved • ...

Chemical Reactions 2014-01-09

Chemical Reactions crossword puzzle
Across
  1. addition of oxygen to a substance in a chemical reaction
  2. and acrylic are examples
  3. new subtances formed in a chemical reaction
  4. substances we start with before a chemical reaction
  5. synthetic material useful for making windows
  6. dioxide/a gas which turns lime water milky
  7. gas which burns with a squeaky pop when ignited with a lighted splint
  8. carbonate/limestone contains this substance
Down
  1. reactive gas that makes up about 21% of the air
  2. chemical reaction that occurs between a fuel and oxygen in the air
  3. formed in reactions with oxygen
  4. reaction that gives out heat

12 Clues: and acrylic are examples • reaction that gives out heat • formed in reactions with oxygen • dioxide/a gas which turns lime water milky • new subtances formed in a chemical reaction • carbonate/limestone contains this substance • synthetic material useful for making windows • reactive gas that makes up about 21% of the air • ...

Stoichiometry 2022-01-21

Stoichiometry crossword puzzle
Across
  1. Used in a chemical equation to determine mole ratios.
  2. The ratio of the actual yield to the theoretical yield shown as a percent.
  3. A combination of chemical symbols and numbers to represent a substance.
  4. A chemical substance that is present at the end of a chemical reaction.
  5. How many moles are in 160 grams of CH4?
  6. maximum amount of a product that can be given off.
  7. The reactant in a chemical equation that is completely used up.
  8. A unit of amount, the amount of a substance containing 6.02x10^23 entities.
  9. The reactant in a chemical equation with a greater amount than necessary to react completely with the limiting reactant.
Down
  1. 3.01x10^24 molecules of NH3 is equal to how many moles?
  2. formula using the simplest whole-number ratio
  3. shows which elements are in the compound and the actual number of each
  4. process of using a balanced equation to determine the relative masses reactants and products involved in the reaction
  5. ratio of moles from one substance to another.
  6. 22.4 liters is equal to how many moles?
  7. A chemical substance that is present at the beginning of a chemical reaction.
  8. one mole of lithium is equal to how many grams?
  9. 64.0 grams of CH4 is how many moles?

18 Clues: 64.0 grams of CH4 is how many moles? • How many moles are in 160 grams of CH4? • 22.4 liters is equal to how many moles? • formula using the simplest whole-number ratio • ratio of moles from one substance to another. • one mole of lithium is equal to how many grams? • maximum amount of a product that can be given off. • ...

Ch8 Chemical Equations and Reactions 2022-01-10

Ch8 Chemical Equations and Reactions crossword puzzle
Across
  1. when a single compound reacts to form two or more simple substances
  2. a list of elements organized by how they undergo certain chemical reactions
  3. when two ions from different compounds exchange places in an aqueous solution which forms two new compounds
  4. a reaction which combines with oxygen, releasing lots of energy in the form of light and hear
  5. represents the identities and relative molecular amounts in a chemical reaction.
  6. both the products and reactants of a chemical reaction using formulas or symbols
  7. using electric current to decompose a substance
  8. two or more substances combine to make one new compound
Down
  1. where only one element replaces another element in a compound
  2. represented by two arrow pointing in opposite directions which show the products reforming the original reactants
  3. a solid that is formed from a chemical reaction in solution and that separates from the solution
  4. an equation that is represented by using words in a chemical reaction
  5. the whole number that appears in front of a formula in a chemical equation

13 Clues: using electric current to decompose a substance • two or more substances combine to make one new compound • where only one element replaces another element in a compound • when a single compound reacts to form two or more simple substances • an equation that is represented by using words in a chemical reaction • ...

Chemical reactions and equations 2021-08-27

Chemical reactions and equations crossword puzzle
Across
  1. OXIDATION OF FATS AND OILS CONTAINING FOOD ITEMS.
  2. ______________CAN NEITHER BE CREATED NOR DESTROYED DURING A CHEMICAL REACTION.
  3. LOSS OF ELECTRONS
  4. PROCESS OF EATING UP OF METALS IN THE PRESENCE OF AIR,MOISTURE
  5. ADDITION OF HYDROGEN
  6. CLASS OF COMPOUNDS TO WHICH BHA AND BHT BELONGS
Down
  1. SUBSTANCES PRODUCED AFTER A CHEMICAL REACTION IS COMPLETED
  2. SILVER CHLORIDE UNDERGOES _________________ IN PRESENCE OF SUNLIGHT
  3. REACTION OTHER NAME FOR DOUBLE DISPLACEMENT REACTION
  4. SUBSTANCES WHICH TAKE PART IN A CHEMICAL REACTION
  5. REACTION IN WHICH BOTH REDUCTION AND OXIDATION PROCESSES TAKES PLACE SIMULTANEOUSLY.
  6. DIOXIDE BROWN GAS EVOLVED ON HEATING OF COPPER NITRATE IS _______________

12 Clues: LOSS OF ELECTRONS • ADDITION OF HYDROGEN • CLASS OF COMPOUNDS TO WHICH BHA AND BHT BELONGS • OXIDATION OF FATS AND OILS CONTAINING FOOD ITEMS. • SUBSTANCES WHICH TAKE PART IN A CHEMICAL REACTION • REACTION OTHER NAME FOR DOUBLE DISPLACEMENT REACTION • SUBSTANCES PRODUCED AFTER A CHEMICAL REACTION IS COMPLETED • ...

Unit 2 Test Review 2024-10-29

Unit 2 Test Review crossword puzzle
Across
  1. - A pigment found in chloroplasts that absorbs light energy.
  2. - An unused product in a chemical reaction.
  3. - when heat is released during a chemical reaction (reaction gets hotter).
  4. - when heat is absorbed during a chemical reaction (reaction gets colder).
  5. - Two or more atoms that have chemically combined.
  6. - The simplest form of a substance, there are 118 different types.
  7. - A substances' resistance to flow.
Down
  1. - Two or more atoms of different elements that have chemically combined (bonded).
  2. - This type of molecule is made up of repeating monomers linked in a chain.
  3. - A type of change where the form or shape of matter changes.
  4. - Anything that has mass and takes up space.
  5. - A type of change that results in a new substance.
  6. - The process of converting glucose into energy without oxygen.
  7. - One end of a molecule has a slight positive charge and one end has a slight negative charge.

14 Clues: - A substances' resistance to flow. • - An unused product in a chemical reaction. • - Anything that has mass and takes up space. • - Two or more atoms that have chemically combined. • - A type of change that results in a new substance. • - A pigment found in chloroplasts that absorbs light energy. • - A type of change where the form or shape of matter changes. • ...

Chemistry 2024-04-01

Chemistry crossword puzzle
Across
  1. _a unit of measurement
  2. a number or symbol
  3. distinguishing symbol
  4. reactant_an ingredient or reactant in a chemical reaction that produces the least amount of the product.
  5. mass_ the mass in grams of one mole of a substance
  6. equation_symbolic representations of chemical reactions
  7. equation_An equation that has equal number of atoms of each element on both the sides of the equation
  8. _a substance that takes part in and undergoes change during a reaction.
Down
  1. _a substance that is present at the end of a chemical reaction
  2. reaction_the processes by which chemicals interact to form new chemicals with different compositions
  3. ratio_the ratio of the initial mass to final mass,
  4. _the quantitative study of the reactants and products involved in a chemical reaction
  5. ratio_a conversion factor that relates the amounts in moles of any two substances in a chemical reaction
  6. reactant_a substance that is not wholly consumed or entirely reacted in a chemical reaction
  7. number_ It permits one to compare the different atoms or molecules of given substances

15 Clues: a number or symbol • distinguishing symbol • _a unit of measurement • ratio_the ratio of the initial mass to final mass, • mass_ the mass in grams of one mole of a substance • equation_symbolic representations of chemical reactions • _a substance that is present at the end of a chemical reaction • _a substance that takes part in and undergoes change during a reaction. • ...

TTS KELOMPOK 9 2025-12-01

TTS KELOMPOK 9 crossword puzzle
Across
  1. Chemical reaction that releases heat?
  2. Substance with a pH less than 7?
  3. Chemical bond between atoms?
  4. Chemical element with the symbol O?
  5. Process of changing from solid to gas?
  6. The smallest particle of an element that still has the properties of that element?
  7. Substance that speeds up a chemical reaction?
  8. Subatomic particle with a positive charge?
  9. Chemical bond between ions?
  10. Chemical element with the symbol H?
Down
  1. Process of changing from gas to liquid?
  2. Substance with a pH greater than 7?
  3. Process of changing from liquid to gas?
  4. Homogeneous mixture of two or more substances?
  5. Chemical element with the symbol C?

15 Clues: Chemical bond between ions? • Chemical bond between atoms? • Substance with a pH less than 7? • Substance with a pH greater than 7? • Chemical element with the symbol O? • Chemical element with the symbol C? • Chemical element with the symbol H? • Chemical reaction that releases heat? • Process of changing from solid to gas? • Process of changing from gas to liquid? • ...

Chemical changes and reactions 2025-03-14

Chemical changes and reactions crossword puzzle
Across
  1. A process in which substances change to form new substances.
  2. A gas that makes a squeaky pop sound when tested with a burning splint.
  3. A visible sign that a chemical reaction has taken place.
  4. Substances that undergo change in a chemical reaction.
Down
  1. Substances formed in a chemical reaction.
  2. A gas that turns limewater milky.
  3. A small unit of matter, used in a model to explain chemical reactions.
  4. A sign of a chemical reaction, sometimes observed as bubbles.
  5. An insoluble solid formed in a chemical reaction between two solutions.
  6. A gas that relights a glowing splint.

10 Clues: A gas that turns limewater milky. • A gas that relights a glowing splint. • Substances formed in a chemical reaction. • Substances that undergo change in a chemical reaction. • A visible sign that a chemical reaction has taken place. • A process in which substances change to form new substances. • A sign of a chemical reaction, sometimes observed as bubbles. • ...

The Reaction Junction 2025-04-30

The Reaction Junction crossword puzzle
Across
  1. Equation Different number of atoms; not yet corrected.
  2. Displacement Two compounds exchange parts to form new ones.
  3. A substance loses oxygen or gains hydrogen.
  4. Substances you start with before the reaction happens.
  5. Rancidity Oils or fats in food go bad due to air (oxygen).
  6. New substances formed after the reaction.
  7. Equation A way to show a reaction using symbols and formulas.
  8. A solid forms and settles from a liquid reaction.
  9. Reaction Both oxidation and reduction happen in the same reaction.
Down
  1. Equation Same number of each type of atom on both sides.
  2. Slow damage of metals (like rusting).
  3. Decomposition Reaction One substance breaks into two or more.
  4. A substance gains oxygen or loses hydrogen.
  5. Reaction A change where new substances are formed.
  6. Reaction Two or more things combine to make one product.
  7. Reaction A more reactive element replaces a less reactive one.

16 Clues: Slow damage of metals (like rusting). • New substances formed after the reaction. • A substance loses oxygen or gains hydrogen. • A substance gains oxygen or loses hydrogen. • A solid forms and settles from a liquid reaction. • Reaction A change where new substances are formed. • Equation Different number of atoms; not yet corrected. • ...

Chemistry Unit 5 2024-12-05

Chemistry Unit 5 crossword puzzle
Across
  1. this reaction always produces water and Carbon Dioxide
  2. the amount of a certain compound in a chemical equation
  3. the number of atoms of a certain element in a compound
  4. a type of bond where an electron is SHARED
  5. the substance(s) that are produced in a chemical reaction
  6. in this reaction, the anions "trade places"
  7. the starting substance(s) that undergo a change in a chemical reaction
Down
  1. a type of bond where an electron is TRANSFERRED
  2. in this reaction, two or more atoms are combined
  3. in this reaction, a compound is broken down into separate atoms
  4. in this reaction, a single atom is substituted for an atom in a compound
  5. a charged particle
  6. a substance made up of two or more elements that are bonded together
  7. a type of element that is never on its own, and is always bonded to another like atom

14 Clues: a charged particle • a type of bond where an electron is SHARED • in this reaction, the anions "trade places" • a type of bond where an electron is TRANSFERRED • in this reaction, two or more atoms are combined • this reaction always produces water and Carbon Dioxide • the number of atoms of a certain element in a compound • ...

SI Lecture 3 2023-01-24

SI Lecture 3 crossword puzzle
Across
  1. ************** bonds; bonds between atoms of different molecules
  2. dissolved substance
  3. binding together of like molecules
  4. molecules containing both hydrophilic and hydrophobic regions
  5. dissolving agent
  6. molecules with polar covalent bonds that are attracted to water
  7. ******* solution; a solution where water is the solvent
  8. *********** effect; tendency of nonpolar substances to aggregate & exclude water molecules
  9. number of molecules in an area; mass per unit volume
Down
  1. the number of moles of solute per liter of solution
  2. molecules with nonpolar covalent bonds that are more attracted to each other
  3. the starting molecules of a chemical reaction
  4. liquid consisting of a homogeneous mixture of 2+ substances
  5. ************** bonds; bonds between atoms within a molecule
  6. Equilibrium - occurs when the rate of forward reaction is equal to the rate of the reverse reaction
  7. binding together of different molecules
  8. the final molecules of a chemical reaction

17 Clues: dissolving agent • dissolved substance • binding together of like molecules • binding together of different molecules • the final molecules of a chemical reaction • the starting molecules of a chemical reaction • the number of moles of solute per liter of solution • number of molecules in an area; mass per unit volume • ...

ashley cutcher-ch 13 2016-10-07

ashley cutcher-ch 13 crossword puzzle
Across
  1. the process by which a reactant loses one or more electrons
  2. energy transfers from reactants to surroundings
  3. the process by which a reactant gains one or more electrons
  4. the minimum energy required in order for a chemical reaction to proceed
  5. a measure of how quickly the concentration of products in a chemical reaction increases or the concentration of reactants decreases
  6. description of a substance that can behave as either an acid or a base
  7. a substance that is the result of the chemical change
Down
  1. A substance that donates hydrogen ions
  2. A rapid exothermic oxidation-reduction reaction between a material and molecular oxygen
  3. a reaction between an acid and a base
  4. a substance that undergoes a chemical change
  5. the deterioration of a metal, typically caused by atmospheric oxygen
  6. an ionic compound commonly formed from the reaction between an acid and a base
  7. energy is transferred to reactants from surroundings
  8. a measure of the acidity of a solution; equal to the negative logarithm of the hydronium ion concentration

15 Clues: a reaction between an acid and a base • A substance that donates hydrogen ions • a substance that undergoes a chemical change • energy transfers from reactants to surroundings • energy is transferred to reactants from surroundings • a substance that is the result of the chemical change • the process by which a reactant loses one or more electrons • ...

Chemistry Crossword Puzzle 2025-03-26

Chemistry Crossword Puzzle crossword puzzle
Across
  1. We must always keep our classroom __________
  2. The process in which a substance loses electrons
  3. A chemical reaction that absorbs energy from its surroundings
  4. __________ peroxide is commonly used as a bleaching agent which releases oxygen during oxidation
  5. In respiration, _______ is oxidized to produce energy, carbon dioxide, and water
  6. _________ is a classic example of oxidation, where iron reacts with oxygen in the presence of water
  7. A type of chemical reaction in which electrons are transferred between two substances
Down
  1. A chemical reaction that releases energy from its surroundings
  2. In silver ________,silver reacts with sulfur compounds in the air forming silver sulfide
  3. The positive electrode that attracts negative ions from the electrolyte
  4. The negative electrode that attracts positive ions from the electrolyte
  5. The number one rule in our classroom is to ________ one another
  6. The process in which a substance gains electrons
  7. The process that uses an electric current to drive a non-spontaneous chemical reaction.
  8. When fuels like _________ burn, they react with oxygen in the air, undergoing redox reaction

15 Clues: We must always keep our classroom __________ • The process in which a substance loses electrons • The process in which a substance gains electrons • A chemical reaction that absorbs energy from its surroundings • A chemical reaction that releases energy from its surroundings • The number one rule in our classroom is to ________ one another • ...

REVIEW: CHEMICAL REACTIONS AND CONSERVATION OF MASS 2019-01-19

REVIEW: CHEMICAL REACTIONS AND CONSERVATION OF MASS crossword puzzle
Across
  1. a chemical equation that has the same number and kinds of atoms on both sides
  2. kind of substance that is made by humans; it come from natural substances
  3. substance that forms as a result of a chemical reaction
  4. a solid that sometimes forms during a chemical reaction; it is a sign that a chemical reaction has occurred
  5. substance that exists before a chemical reaction begins
  6. a process that produces chemical change, resulting in new substances that have properties different from those of the original substances
Down
  1. a kind of chemical reaction in which more heat energy is absorbed to break the reactants' bonds, than is released in forming the products; temperature goes down
  2. this law states that mass (atoms) cannot be created or destroyed in a chemical reaction
  3. shorthand form for writing what reactants are used and what products are formed in a chemical reaction
  4. a kind of chemical reaction in which more heat energy is released when the products are formed, than is used to break the reactants' bonds; temperature goes up

10 Clues: substance that forms as a result of a chemical reaction • substance that exists before a chemical reaction begins • kind of substance that is made by humans; it come from natural substances • a chemical equation that has the same number and kinds of atoms on both sides • this law states that mass (atoms) cannot be created or destroyed in a chemical reaction • ...

Chemical Reactions 2022-02-25

Chemical Reactions crossword puzzle
Across
  1. Uses chemical symbols and formulas to describe a reaction
  2. Reaction where bonds are broken when energy enters the materials
  3. The arrow in a chemical reaction
  4. Reaction requiring oxygen to occur
  5. An atom that loses or gains one or more electrons
  6. Reaction where materials exit or the reaction releases substances
  7. A change where atoms are not rearranged and no new substances are formed
  8. Reaction that puts together compounds into a more complex molecule
Down
  1. Equal number of atoms on both sides of the equation
  2. Indicates the number of atoms in a molecule
  3. Starting materials in a reaction
  4. New substance formed in a reaction
  5. Indicates the number of molecules of a compound
  6. The change in the amount of neutrons in an atom

14 Clues: Starting materials in a reaction • The arrow in a chemical reaction • New substance formed in a reaction • Reaction requiring oxygen to occur • Indicates the number of atoms in a molecule • Indicates the number of molecules of a compound • The change in the amount of neutrons in an atom • An atom that loses or gains one or more electrons • ...

Periodic table 2022-12-07

Periodic table crossword puzzle
Across
  1. Run up and down
  2. new solid is formed
  3. Left side
  4. new or different color is formed
  5. smallest part in an element
  6. positive charge and in nucleus
  7. New substance with new properties
  8. not caused by outside force
  9. Left or right
  10. no new substance made
  11. on type of atom
  12. spark or emit glowing for chemical reaction
Down
  1. Tells you how many energy levels the atom has
  2. in electron cloud and negative charge
  3. Determine the reactivity(Stability)
  4. Both properties of metal and nonmetal
  5. Right side
  6. Found on left side
  7. negative charge and in nucleus
  8. bubbling or steaming for chemical reaction

20 Clues: Left side • Right side • Left or right • Run up and down • on type of atom • Found on left side • new solid is formed • no new substance made • smallest part in an element • not caused by outside force • positive charge and in nucleus • negative charge and in nucleus • new or different color is formed • New substance with new properties • Determine the reactivity(Stability) • ...

chapter 2 vocab 2023-09-20

chapter 2 vocab crossword puzzle
Across
  1. the basic building block of all things
  2. when to molecules stick together
  3. a chemical reaction involving the changing of the atoms
  4. to cause a solute to pass into a solution
  5. chemical substances that can donate electrons and release hydrogen
  6. group of organic compounds including fats, oils, and horomones
  7. a molecule that has charge on only one side and cannot be cancelled out
  8. the lack of thermodynamic ability in an object
  9. the change of the physical properties in a subject
  10. the measure of hotness or coldness in an object; measured in degrees
  11. the substance that acts as a catalyst in living organisms
  12. a group of 2 or more atoms
  13. the substance that slows down the rate of the catalyst
  14. the movement of particles from a high concentrate substance to a low concentrate substance
  15. molecules that combine to form protein
Down
  1. a chemical substance made up of 2 elements
  2. the sticking of molecules together
  3. the basic structural unit of nucleic acids
  4. a large group of organic compounds that include sugars, starch, and cellulose; used as structure and storage in the body
  5. the property of molecules attracting one another
  6. a substance that contains hydrogen that can donate a proton to another substance
  7. the substance that strengthens the chemical reaction but does not undergo any chemical change itself
  8. a substance that cant be broken down into another substance
  9. the result of a chemical reaction
  10. glucose and fructose bound together
  11. the ability to do work
  12. compounds to where carbon atoms are covalently bonded to hydrogen, oxygen, or nitrogen
  13. anything that takes up space and has mass
  14. the substances that participate in a chemical reaction

29 Clues: the ability to do work • a group of 2 or more atoms • when to molecules stick together • the result of a chemical reaction • the sticking of molecules together • glucose and fructose bound together • the basic building block of all things • molecules that combine to form protein • to cause a solute to pass into a solution • anything that takes up space and has mass • ...

Chemical Reactions 2025-11-27

Chemical Reactions crossword puzzle
Across
  1. (of a reaction or process) accompanied by or requiring the absorption of heat.
  2. A distinct compound or substance, especially one which has been artificially created .
  3. Measure (unit) of how acidic or alkaline a substance or mixture is.
  4. a chemical reaction where an acid and a base react to form a salt and water, resulting in a more neutral solution
  5. the process or result of oxidising or being oxidised.
  6. the process used by green plants, algae, and some bacteria to convert light energy into chemical energy
Down
  1. Built on acid(s)
  2. a new substance that is formed as a result of a chemical reaction
  3. (of a reaction or process) accompanied by the release of heat.
  4. a substance that takes part in and undergoes change during a reaction.
  5. The process of burning something
  6. having the properties of an alkali, or containing alkali; having a pH greater than 7.
  7. a substance or matter in a state in which it will expand freely to fill the whole of a container, having no fixed shape, and no fixed volume
  8. A chemical process in which substances act mutually on each other and are changed into different substances.
  9. having the properties of an acid, or containing acid; having a pH below 7

15 Clues: Built on acid(s) • The process of burning something • the process or result of oxidising or being oxidised. • (of a reaction or process) accompanied by the release of heat. • a new substance that is formed as a result of a chemical reaction • Measure (unit) of how acidic or alkaline a substance or mixture is. • ...

Anh Nguyen 2019-06-10

Anh Nguyen crossword puzzle
Across
  1. in the modern model of the atom,each energy level is divided into smaller sublevels or orbitals
  2. is any solution in which water is (H2O) is solvent
  3. also known as a molecular ion, is a charged chemical species composed of 2 or more atoms covalently bonded or of a metal complex that can be considered to be acting as a single unit
  4. form when electrons are lost, charge is + because there are more protons than electrons
  5. are the starting materials in a chemical reaction. Reactant undergo change in which chemical reaction. Reactant undergo change in which chemical bonds are broken and new ones are formed to make products
  6. states that mass in a isolated system is neither created nor destroyed by chemical reactions or physical transformations
  7. 2 compounds exchange ions and form 2 new compounds
  8. is a constant term related to the properties of a product
  9. a liquid or gel that contains ions and can be decomposed by electrolysis, that present in battery
  10. a carbon based compound reacts with oxygen to carbon dioxide (CO2) and water (products)
Down
  1. are atoms or group s of atoms with a charge (+ or -). Ions are formed when atom or group of atoms either gain or lose electron
  2. form when electrons are gained charge is (-) because there are more electron than protons
  3. a chemical equation that does not indicate the relative amounts of the reactants and products
  4. the temperature at which a solid substance melts or fuses
  5. is an equation for a chemical reaction in which the number of atoms for each element in the reaction
  6. low melting points and boiling points, non-electrolytes
  7. a single element reacts with a compound and displaces another elements from the compound
  8. (g)= gas, (l)= liquid, (s)= solid, (aq)= aqueous
  9. the electrons move in definite "orbit" or energy level (n) around the nucleus
  10. 2 or more substances (reactants) breaks down into 2 or more simpler substances (products)
  11. is the symbolic representation of a chemical reaction in the form of symbols and formula, wherein the reaction entities are given on the left hand side and the product entities on the right hand side
  12. is an outer shell electron that is associated with atom
  13. type of chemical bond that involves the electronic attraction
  14. The number or expression resulting from the multiplication together of two or more numbers or expressions
  15. a group of atoms bonded together

25 Clues: a group of atoms bonded together • (g)= gas, (l)= liquid, (s)= solid, (aq)= aqueous • is any solution in which water is (H2O) is solvent • 2 compounds exchange ions and form 2 new compounds • low melting points and boiling points, non-electrolytes • is an outer shell electron that is associated with atom • the temperature at which a solid substance melts or fuses • ...

Chemisty Vocab 2023-10-27

Chemisty Vocab crossword puzzle
Across
  1. Easily set on fire
  2. Any substance which is capable of dissolving one or several substance, creates a solution
  3. Acid A colorless liquid with a unpleasant Oder ( Like rotten eggs)
  4. Reaction Any chemical reaction that absorbs heat from its environment
  5. Liquids not flaming a homogeneous mixture when added together
  6. Liquids forming a homogeneous mixture when added together
  7. reaction that releases energy by light or heat
  8. Data Sheet Informational document prepared by the manufacturer or importer of a hazardous chemical
  9. Solution Solution in which the hydrogen-ion concentration is greater than the hydroxide-ion concentration
Down
  1. Solution A solution of a soluble base with greater than 7
  2. Chemical substance changes because of the addition of oxygen
  3. Having a tendency to mix with, dissolve in or be whetted by water
  4. Reaction
  5. Having the potential to cause cancer
  6. Able to catch fire and burn easily
  7. Identification of the substances of which matter is composed
  8. Tending to combine with or dissolve in lipids or fats
  9. A measure of how acidic/basic water is
  10. Detergent that can reduce surface tension of a liquid and allow it to foam or penetrate solids

19 Clues: Reaction • Easily set on fire • Able to catch fire and burn easily • Having the potential to cause cancer • A measure of how acidic/basic water is • reaction that releases energy by light or heat • Tending to combine with or dissolve in lipids or fats • Solution A solution of a soluble base with greater than 7 • Liquids forming a homogeneous mixture when added together • ...

Evan Pennington Physical Science Block One 2017-10-09

Evan Pennington Physical Science Block One crossword puzzle
Across
  1. The amount of energy required to pull 2 bonded atoms apart
  2. when two atoms are displaced in a formula
  3. A measure of the acidity of a solution
  4. the deterioration of a metal
  5. a chemcial reaction when there is a net release of energy
Down
  1. when one atom is displaced in a formula
  2. The minimum amount of energy required in order for a chemical reaction to proceed
  3. reaction where oxides are formed
  4. Any substance that increases the rate of a chemical reaction
  5. a chemical reaction where there is a net absorption of energy
  6. the new materials formed in a chemical reaction

11 Clues: the deterioration of a metal • reaction where oxides are formed • A measure of the acidity of a solution • when one atom is displaced in a formula • when two atoms are displaced in a formula • the new materials formed in a chemical reaction • a chemcial reaction when there is a net release of energy • The amount of energy required to pull 2 bonded atoms apart • ...

Chemical reactions crossword 2024-09-24

Chemical reactions crossword crossword puzzle
Across
  1. ___ is absorbed or released during a chemical reaction.
  2. Chemical reactions result in the formation of _____ (2 words)
  3. Reactions involve the rearrangement of ____ in molecules.
  4. What you end up with at the end of a reaction.
  5. Flammability is an example of a ____ property of matter.
  6. Type of reaction when energy is absorbed.
Down
  1. The type of reaction when energy is released.
  2. What you start with at the beginning of a reaction.
  3. Magnetism and mass are examples of _____ properties
  4. Evidence that gas is produced.
  5. An increase in ___ can be a sign that a chemical reaction occured.

11 Clues: Evidence that gas is produced. • Type of reaction when energy is absorbed. • The type of reaction when energy is released. • What you end up with at the end of a reaction. • What you start with at the beginning of a reaction. • Magnetism and mass are examples of _____ properties • ___ is absorbed or released during a chemical reaction. • ...

Chemistry Final 2024-12-12

Chemistry Final crossword puzzle
Across
  1. Valence electrons for Aluminum
  2. Elements that are usually brittle, non-conductive, and lack metallic luster
  3. An atom or molecule with a net electrical charge due to the loss or gain of electrons
  4. A reaction where one element replaces another in a compound
  5. A type of chemical bond formed between oppositely charged ions
  6. Atoms of the same element with different numbers of neutrons
  7. A proposed explanation based on evidence, used as a starting point for further investigation
  8. The sum of protons and neutrons in an atom's nucleus
  9. A type of chemical bond where atoms share electrons
  10. The number of valence electrons Bromine wants to gain
  11. Elements with properties intermediate between metals and nonmetals
  12. The tendency of an atom to attract electrons in a chemical bond
  13. A neutral subatomic particle found in the nucleus of an atom
  14. A group of atoms bonded together, representing the smallest unit of a chemical compound
  15. A negatively charged subatomic particle that orbits the nucleus of an atom
Down
  1. Elements that are typically shiny, conductive, and malleable
  2. A chemical reaction where two or more substances combine to form a single product
  3. The process of removing an electron from an atom to form an ion
  4. The distance from the nucleus of an atom to the outermost electron
  5. A reaction where two compounds exchange ions to form two new compounds
  6. A pure substance made of only one type of atom
  7. The number of protons in the nucleus of an atom, defining the element
  8. The group with two valence electrons
  9. The electrical property of a particle, which can be positive, negative, or neutral
  10. A positively charged subatomic particle found in the nucleus of an atom
  11. A chemical reaction involving oxygen that produces energy in the form of heat and light
  12. The smallest unit of matter that retains the properties of an element
  13. A chemical reaction where a single compound breaks down into two or more simpler substances
  14. The electrons in the outermost shell of an atom, involved in chemical bonding
  15. A mixture where the components are not uniform and can be distinguished easily

30 Clues: Valence electrons for Aluminum • The group with two valence electrons • A pure substance made of only one type of atom • A type of chemical bond where atoms share electrons • The sum of protons and neutrons in an atom's nucleus • The number of valence electrons Bromine wants to gain • A reaction where one element replaces another in a compound • ...

Chemical Reactions 2025-05-01

Chemical Reactions crossword puzzle
Across
  1. A compound made from copper, carbon, and oxygen.
  2. A type of reaction where one substance breaks down into two or more simpler substances (e.g., CaCO₃ → CaO + CO₂).
  3. A change in shape or state that doesn’t create a new substance (like melting).
  4. A number placed in front of a chemical formula to balance a chemical equation (e.g., 2H₂ + O₂ → 2H₂O).
  5. What is the process called when something reacts with oxygen and releases heat and light?
  6. A substance that feels slippery and turns litmus paper blue.
  7. A solution used to test for carbon dioxide.
Down
  1. A substance formed in a chemical reaction.
  2. A change that makes a new substance (like burning wood).
  3. A substance that tastes sour and turns litmus paper red.
  4. What do we call a reaction between an acid and an alkali?
  5. What happens when a solid mixes into a liquid?
  6. The scale we use to measure how acidic or alkaline a substance is.
  7. A small number written below a chemical symbol to show how many atoms of that element are in a compound (e.g., O₂).
  8. A substance that reacts in a chemical reaction.
  9. The short letter or letters used to represent an element (e.g., H for hydrogen).

16 Clues: A substance formed in a chemical reaction. • A solution used to test for carbon dioxide. • What happens when a solid mixes into a liquid? • A substance that reacts in a chemical reaction. • A compound made from copper, carbon, and oxygen. • A change that makes a new substance (like burning wood). • A substance that tastes sour and turns litmus paper red. • ...

Cell Energy: Cellular Respiration & Photsynthesis 2023-03-14

Cell Energy: Cellular Respiration & Photsynthesis crossword puzzle
Across
  1. Product of photosynthesis that animals require to live.
  2. This separates the reactants and products in a chemical reaction.
  3. The energy molecule produced during cellular respiration.
  4. The source of all energy on earth.
  5. Organelle used to carry out cellular respiration.
  6. The chemical energy food source produced during photosynthesis.
  7. A starting material for a chemical reaction.
  8. Both cellular respiration and photosynthesis are examples of...
Down
  1. Process converting solar energy into a food source.
  2. Process converting food into chemical energy.
  3. Cellular respiration is carried out by both animals and...
  4. An ending material for a chemical reaction.
  5. This is a product of cellular respiration but a reactant of photosynthesis.
  6. Organelle used to carry out photosynthesis.

14 Clues: The source of all energy on earth. • An ending material for a chemical reaction. • Organelle used to carry out photosynthesis. • A starting material for a chemical reaction. • Process converting food into chemical energy. • Organelle used to carry out cellular respiration. • Process converting solar energy into a food source. • ...

Chemistry Crossword 2017-11-09

Chemistry Crossword crossword puzzle
Across
  1. the degree to which a specified material conducts electricity, calculated as the ratio of the current density in the material to the electric field that causes the flow of current. It is the reciprocal of the resistivity
  2. In chemistry, an ionic compound is a chemical compound composed of ions held together by electrostatic forces termed ionic bonding. The compound is neutral overall, but consists of positively charged ions called cations and negatively charged ions called anions
  3. the total number of protons and neutrons in a nucleus
  4. the action of deposing someone, especially a monarch
  5. 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
  6. The definition of endothermic is a chemical reaction that is accompanied by the absorption of heat, or an organism that generates heat to maintain its temperature. A chemical reaction that works only if heat is absorbed is an example of a reaction that would be described as endothermic
  7. a process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form or a nuclear reaction
  8. any of the elements fluorine, chlorine, bromine, iodine, and astatine, occupying group VIIA (17) of the periodic table. They are reactive nonmetallic elements that form strongly acidic compounds with hydrogen, from which simple salts can be made
  9. the process of corroding metal, stone, or other materials
  10. A system where the product can escape
Down
  1. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change
  2. water that collects as droplets on a cold surface when humid air is in contact with it
  3. An aqueous solution is a solution in which the solvent is water
  4. a homogeneous, noncrystalline substance consisting of large molecules or ultramicroscopic particles of one substance dispersed through a second substance. Colloids include gels, sols, and emulsions; the particles do not settle and cannot be separated out by ordinary filtering or centrifuging like those in a suspension
  5. Cellular respiration is a set of metabolic reactions and processes that take place in the cells of organisms
  6. mechanical mixture n. A heterogeneous mixture of particles or masses distinguishable as such under the microscope or separable by filtration. Examples from the Web for mechanical mixture. mechanical mixture is only the suspension of the parts of a solid in a fluid
  7. physical substance in general, as distinct from mind and spirit; (in physics) that which occupies space and possesses rest mass, especially as distinct from energy
  8. a property or characteristic of a substance that is observed during a reaction in which the chemical composition
  9. very reactive, electropositive, monovalent metals forming strongly alkaline hydroxides
  10. a usually irreversible chemical reaction involving the rearrangement of the atoms of one or more substances and a change in their chemical properties or composition
  11. a substance produced by a living organism that acts as a catalyst to bring about a specific biochemical reaction
  12. the degree of compactness of a substance
  13. the mass of an atom of a chemical element expressed in atomic mass units
  14. the basic unit of a chemical element
  15. change of state from a solid to a liquid

25 Clues: the basic unit of a chemical element • A system where the product can escape • the degree of compactness of a substance • change of state from a solid to a liquid • the action of deposing someone, especially a monarch • the total number of protons and neutrons in a nucleus • the process of corroding metal, stone, or other materials • ...

Chemical Reactions and The Law of Conservation of Mass 2025-05-08

Chemical Reactions and The Law of Conservation of Mass crossword puzzle
Across
  1. a symbolic representation of the changes
  2. the act or instance of making or becoming different.
  3. feeling experienced in response to a situation or event.
  4. the quantity of matter which a body contains
  5. Each element is distinguished by its atomic number
  6. put an end to the existence
  7. the substances that are formed as a result of a chemical reaction
Down
  1. bring into existence
  2. A numerical value placed in front of a chemical formula
  3. Have the same power of other things
  4. the basic unit of a chemical element
  5. the interactions of substances as studied in chemistry.
  6. physical substance in general
  7. Friends and family have strong...
  8. undergoes change during a reaction

15 Clues: bring into existence • put an end to the existence • physical substance in general • Friends and family have strong... • undergoes change during a reaction • Have the same power of other things • the basic unit of a chemical element • a symbolic representation of the changes • the quantity of matter which a body contains • Each element is distinguished by its atomic number • ...

Ch8 Chemical Equations and Reactions 2022-01-10

Ch8 Chemical Equations and Reactions crossword puzzle
Across
  1. the whole number that appears in front of a formula in a chemical equation
  2. an equation that is represented by using words in a chemical reaction
  3. a solid that is formed from a chemical reaction in solution and that separates from the solution
  4. a reaction which combines with oxygen, releasing lots of energy in the form of light and hear
  5. both the products and reactants of a chemical reaction using formulas or symbols
  6. two or more substances combine to make one new compound
  7. a list of elements organized by how they undergo certain chemical reactions
Down
  1. represents the identities and relative molecular amounts in a chemical reaction.
  2. where only one element replaces another element in a compound
  3. when a single compound reacts to form two or more simple substances
  4. using electric current to decompose a substance
  5. when two ions from different compounds exchange places in an aqueous solution which forms two new compounds
  6. represented by two arrow pointing in opposite directions which show the products reforming the original reactants

13 Clues: using electric current to decompose a substance • two or more substances combine to make one new compound • where only one element replaces another element in a compound • when a single compound reacts to form two or more simple substances • an equation that is represented by using words in a chemical reaction • ...

Ch8 Chemical Equations and Reactions 2022-01-10

Ch8 Chemical Equations and Reactions crossword puzzle
Across
  1. an equation that is represented by using words in a chemical reaction
  2. represented by two arrow pointing in opposite directions which show the products reforming the original reactants
  3. using electric current to decompose a substance
  4. a solid that is formed from a chemical reaction in solution and that separates from the solution
  5. both the products and reactants of a chemical reaction using formulas or symbols
  6. when two ions from different compounds exchange places in an aqueous solution which forms two new compounds
  7. represents the identities and relative molecular amounts in a chemical reaction.
  8. when a single compound reacts to form two or more simple substances
Down
  1. the whole number that appears in front of a formula in a chemical equation
  2. a reaction which combines with oxygen, releasing lots of energy in the form of light and hear
  3. two or more substances combine to make one new compound
  4. a list of elements organized by how they undergo certain chemical reactions
  5. where only one element replaces another element in a compound

13 Clues: using electric current to decompose a substance • two or more substances combine to make one new compound • where only one element replaces another element in a compound • when a single compound reacts to form two or more simple substances • an equation that is represented by using words in a chemical reaction • ...

Chemistry 2013-04-14

Chemistry crossword puzzle
Across
  1. Acids/ Acids containing a hydrocarbon chain
  2. The way plants breathe
  3. of Energy/ Type of energy
  4. energy/ Energy of light
  5. Reaction/ Product of chemical manipulation
  6. Respiration/Cells Breathing
  7. Become a solution
  8. Used to bring about a chemical reaction naturally
  9. Part of an element
  10. Spreading something more widely
  11. When molecules pass through membranes
Down
  1. Dioxide/ Colorless, orderless gass
  2. only found in plants
  3. A group of bonded atoms
  4. A set definite equal space
  5. Diffusion/ Mentored or helped diffusion.
  6. set a pattern
  7. Multiple elements or factors
  8. What you put in
  9. What something can do

20 Clues: set a pattern • What you put in • Become a solution • Part of an element • only found in plants • What something can do • The way plants breathe • A group of bonded atoms • energy/ Energy of light • of Energy/ Type of energy • A set definite equal space • Respiration/Cells Breathing • Multiple elements or factors • Spreading something more widely • Dioxide/ Colorless, orderless gass • ...

Spanish 2021-09-17

Spanish crossword puzzle
Across
  1. - the amount of energy that needs to absorb for a chemical reaction to start.
  2. - reversible chemical reaction. However, no net changes in the amount of reactants and products occur.
  3. - cell of the immune system and also known as leukocytes.
  4. - an enzyme in saliva that breaks down starch into simple sugars.
  5. - a substance that decrease activation energy and increase the rate of chemical reaction.
  6. - lasting attractions between atoms, ions, or molecules that enable the formation of chemical compounds.
  7. - substances that take part in and undergo change during the reactions.
  8. - living things.
  9. - substances that are formed as the result of chemical reactions.
  10. - a measure of how acidic or basic water is.
  11. - act as biological catalysts for chemical reactions in living things.
  12. - polysaccharide that is made and stored by plants.
Down
  1. - can restore the previous situation.
  2. - reactants are converted to one or more different products.
  3. the processor of the body that provides resistance to infection and toxin.
  4. - bacteria, viruses, or other microorganisms that can cause diseases.
  5. - a group of two or more atoms.
  6. - The measure of the amount of a sub-component in a solution.
  7. - monomers that make proteins.
  8. - the specific reactants that an enzyme acts on
  9. - a physical quantity that expresses hot and cold.

21 Clues: - living things. • - monomers that make proteins. • - a group of two or more atoms. • - can restore the previous situation. • - a measure of how acidic or basic water is. • - the specific reactants that an enzyme acts on • - a physical quantity that expresses hot and cold. • - polysaccharide that is made and stored by plants. • ...

Spanish 2021-09-17

Spanish crossword puzzle
Across
  1. - the amount of energy that needs to absorb for a chemical reaction to start.
  2. - reversible chemical reaction. However, no net changes in the amount of reactants and products occur.
  3. - cell of the immune system and also known as leukocytes.
  4. - an enzyme in saliva that breaks down starch into simple sugars.
  5. - a substance that decrease activation energy and increase the rate of chemical reaction.
  6. - lasting attractions between atoms, ions, or molecules that enable the formation of chemical compounds.
  7. - substances that take part in and undergo change during the reactions.
  8. - living things.
  9. - substances that are formed as the result of chemical reactions.
  10. - a measure of how acidic or basic water is.
  11. - act as biological catalysts for chemical reactions in living things.
  12. - polysaccharide that is made and stored by plants.
Down
  1. - can restore the previous situation.
  2. - reactants are converted to one or more different products.
  3. the processor of the body that provides resistance to infection and toxin.
  4. - bacteria, viruses, or other microorganisms that can cause diseases.
  5. - a group of two or more atoms.
  6. - The measure of the amount of a sub-component in a solution.
  7. - monomers that make proteins.
  8. - the specific reactants that an enzyme acts on
  9. - a physical quantity that expresses hot and cold.

21 Clues: - living things. • - monomers that make proteins. • - a group of two or more atoms. • - can restore the previous situation. • - a measure of how acidic or basic water is. • - the specific reactants that an enzyme acts on • - a physical quantity that expresses hot and cold. • - polysaccharide that is made and stored by plants. • ...

Biology 2021-09-17

Biology crossword puzzle
Across
  1. - the specific reactants that an enzyme acts on
  2. - a substance that decrease activation energy and increase the rate of chemical reaction.
  3. - a physical quantity that expresses hot and cold.
  4. - bacteria, viruses, or other microorganisms that can cause diseases.
  5. - the amount of energy that needs to absorb for a chemical reaction to start.
  6. - a group of two or more atoms.
  7. - The measure of the amount of a sub-component in a solution.
  8. - lasting attractions between atoms, ions or molecules that enables the formation of chemical compounds.
  9. - an enzyme in saliva that breaks down starch into simple sugars.
Down
  1. - the processor the body that provide resistance to infection and toxin.
  2. - can restore previous situation.
  3. - substances that are formed as the result of chemical reactions.
  4. - cell of the immune system and also known as leukocyte.
  5. - living things.
  6. - substances that take part in and undergo change during the reactions.
  7. - reactants are converted to one or more different products.
  8. - polysaccharide that is made and stored by plants.
  9. - The reversible chemical reaction. However, no net changes in the amount of reactants and products occurs.
  10. - a measure of how acidic or basic water is.
  11. - act as biological catalyst for chemical reactions in living things.
  12. - monomers that make proteins.

21 Clues: - living things. • - monomers that make proteins. • - a group of two or more atoms. • - can restore previous situation. • - a measure of how acidic or basic water is. • - the specific reactants that an enzyme acts on • - a physical quantity that expresses hot and cold. • - polysaccharide that is made and stored by plants. • ...

Unit 4 Bonding 2025-11-05

Unit 4 Bonding crossword puzzle
Across
  1. ability to combine with another substance
  2. a chemical bond between oppositely charged ions
  3. a substance that enters into and is altered in the course of a chemical reaction; on the left of the arrow or yield sign
  4. force that holds together the atoms in a compound
  5. ability to chemically combine
  6. the breaking of bonds to form new substances (called the products)
  7. tells which elements are in a compound and their ratios
Down
  1. chemical bond formed from shared electrons
  2. equation chemical equation with the same number of atoms of each element on both sides of the equation
  3. chemical formulas and symbols that represent a chemical reaction
  4. outer energy level is filled with electrons
  5. regardless of how substances within a closed system are changed, the total mass remains the same
  6. substance that is produced in a chemical reaction from reactants; on the right of the arrow or yield sign
  7. characteristic of a substance that indicates whether it can undergo a chemical change
  8. change of one substance to another substance

15 Clues: ability to chemically combine • ability to combine with another substance • chemical bond formed from shared electrons • outer energy level is filled with electrons • change of one substance to another substance • a chemical bond between oppositely charged ions • force that holds together the atoms in a compound • tells which elements are in a compound and their ratios • ...

chapter 2: chemistry of life vocab 2018-04-12

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

32 Clues: / a homogeneous mixture. • / The smallest basic unit of matter. • / each subunit in the complete molecule. • / an ionic bond compound of Na + and Cl-. • / a substance that dissolves in a solvent. • / forms when atoms share a pair of electrons. • / the substances made by a chemical reaction. • / a polymer made of monomers called amino acids. • ...

Science Crossword 2014-11-06

Science Crossword crossword puzzle
Across
  1. positively charged particle in the nucleus of an atom
  2. change of state from liquid to gas
  3. anything that has mass and takes up space
  4. an experiment in which all reactants and all products of a chemical reaction are accounted for
  5. shiny, malleable ductile element that conducts electricity
  6. combination of symbols that represent a compound;the formula identifies the element in the compound and the amount of each element
  7. substance that reacts with another substance or substances in a chemical reaction to create new substances with different properties
  8. slow chemical change that occurs when oxygen in the air reacts with metal
  9. the smallest part of an element that is representative of the 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
  10. group of atoms acting as one
  11. neutral particle in the nucleus of an atom
  12. horizontal row of elements in the periodic table
  13. group 18 element in the periodic table; the most stable and unreactive elements
  14. catalyst involved in chemical reactions in living things
Down
  1. new substance produced in a chemical reaction between reactants
  2. pure substance formed when non-metals combine
  3. number of protons in the nucleus of one atom of an element
  4. vertical column of elements in the periodic table; elements in a family all have similar chemical properties; also called a family
  5. invisible negatively charged particle that orbits the nucleus of an atom
  6. chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
  7. substance that helps a chemical reaction to proceed more quickly
  8. cloudy mixture in which tiny particles of one substance are held within another and particles cannot seperate
  9. 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
  10. group 17 elements in the periodic table; the most reactive non-metals
  11. element that has both metallic and non-metallic properties

25 Clues: group of atoms acting as one • change of state from liquid to gas • anything that has mass and takes up space • neutral particle in the nucleus of an atom • pure substance formed when non-metals combine • horizontal row of elements in the periodic table • positively charged particle in the nucleus of an atom • catalyst involved in chemical reactions in living things • ...

Basic Chemistry 2021-01-20

Basic Chemistry crossword puzzle
Across
  1. Anything less than 7 on the PH Scale
  2. One of the Organic Molecules. Important for structure and metabolism. Contains Nitrogen
  3. (Starch, Cellulose, Glycogen) Formed from Monosaccharides
  4. A substance taking part in a chemical reaction.
  5. Anything above 7 on the PH scale (Alkaline)
  6. any of a class of sugars whose molecules contain two monosaccharide residues (table sugar)
  7. The Simplest Sugars (Ex: glucose) Basic units of Carbohydrates
  8. are the species formed from chemical reactions
  9. is a process that changes or transforms one type of chemical into another.
  10. is the generic term for any disaccharides and monosaccharides
  11. the building block of protein.
  12. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change
  13. a molecule that can be bonded to other identical molecules to form a polymer.
  14. are variants of a particular chemical element which differ in neutron number, but have the same proton count
  15. the substance on which an enzyme acts
Down
  1. a complex organic substance present in living cells, especially DNA or RNA. composed of many nucleotide
  2. Opposite Charged ions are held together by force of electrical attract of oppositely charged ions made by transfer of electrons
  3. is a polymeric carbohydrate consisting of numerous glucose units joined by glycosidic bonds called polymers
  4. Helps make sure PH doesn't change
  5. Loss of water to combine molecules
  6. The energy needed to initiate a reaction
  7. any of a class of natural or synthetic substances composed of very large molecules, called macromolecules, that are multiples
  8. is a chemical reaction in which acid and a base react quantitatively with each other
  9. formed by sharing of electrons
  10. One of Four Organic Molecules. Composed of 3 fatty acids and a glycerol molecule
  11. The building blocks/Monomers for Nucleic Acid
  12. One of four Organic Molecules. It is our main source of energy
  13. Adding water to break apart large molecules
  14. A protein catalyst that increases the rate pf a chemical reaction by lowering activation energy

29 Clues: formed by sharing of electrons • the building block of protein. • Helps make sure PH doesn't change • Loss of water to combine molecules • Anything less than 7 on the PH Scale • the substance on which an enzyme acts • The energy needed to initiate a reaction • Anything above 7 on the PH scale (Alkaline) • Adding water to break apart large molecules • ...

Chemical Reactions and Enzymes 2023-07-26

Chemical Reactions and Enzymes crossword puzzle
Across
  1. A type of reaction that absorbs more energy than it releases.
  2. Substance made as a result of a chemical reaction.
  3. This is the amount of energy needed to be absorbed to start a chemical reaction.
  4. Specific reactants that an enzyme acts upon.
  5. This changes matter into a different substance.
  6. State where reactants and products are made at the same rate.
Down
  1. This is the amount of force needed to break a bond between two atoms.
  2. This is a substance changed during a chemical reaction.
  3. Substance that reduces the activation energy in a chemical reaction.
  4. Catalysts for chemical reactions in living things.
  5. A type of reaction that releases more energy than it absorbs.

11 Clues: Specific reactants that an enzyme acts upon. • This changes matter into a different substance. • Catalysts for chemical reactions in living things. • Substance made as a result of a chemical reaction. • This is a substance changed during a chemical reaction. • A type of reaction that absorbs more energy than it releases. • ...

Biomolecules Vocab 2024-04-30

Biomolecules Vocab crossword puzzle
Across
  1. Fatty, waxy, or oily compounds that are soluble in organic solvents and insoluble in water.
  2. The result of combining reactants with each other chemically
  3. A chemical reaction in which water is used to break down chemical bonds between two substances
  4. Large molecules created by chemically linking a series of building blocks.
  5. Large biomolecules that play essential roles in all cells and viruses.
  6. Atoms or small molecules that bond together to form more complex structures such as polymers.
  7. Sugar molecules
  8. A sugar that has 5 carbon atoms and 4 oxygen atoms in each molecule and is part of DNA
  9. The region of an enzyme where substrate molecules bind and go through a chemical reaction.
  10. A chemical compound found in living organisms
Down
  1. A molecule that has the chemical properties of a base and also contains nitrogen
  2. Small molecules that are the building blocks of proteins
  3. The base material that processing is conducted on
  4. The building blocks for all of the fat in our bodies and the fat that we eat
  5. The raw materials that are used to form products
  6. A molecule consisting of amino acids (The base of most body structures)
  7. The least amount of energy required to activate atoms so that they can undergo chemical transformation or physical transport.
  8. A nonmetallic element with the atomic number 6 that forms compounds with a lot of other elements and is a constituent of organic compounds in all known living tissues.
  9. A biological catalyst that is almost always a protein
  10. A substance that can speed up a chemical reaction, without being part of the designated reaction.

20 Clues: Sugar molecules • A chemical compound found in living organisms • The raw materials that are used to form products • The base material that processing is conducted on • A biological catalyst that is almost always a protein • Small molecules that are the building blocks of proteins • The result of combining reactants with each other chemically • ...

CH2 Vocabulary 2022-10-11

CH2 Vocabulary crossword puzzle
Across
  1. A protein that performs different tasks.
  2. Large macromolecules made of amino acids that are responsible for growth and other chemical processes in living organisms.
  3. The transformation of one set of chemicals into another set of chemicals. (two words)
  4. A chemical bond formed when one or more electrons are transferred from one atom to another.
  5. A large number of amino-acids bonded together in a chain, forming part of (or the whole of) a protein molecule.
  6. Fats, oils, or waxes that are used by organisms for activities such as storing energy.
  7. A solution that has a low concentration of H+ ions.
  8. Basic unit of matter.
  9. Macromolecules used for storing and transmitting genetic information.
  10. The set of chemicals leaving a chemical reaction.
  11. Large molecular compounds made of smaller units, or monomers.
  12. Large molecular compounds are built by joining smaller ones together.
Down
  1. Single sugar molecules, such as glucose, fructose, or galactose.
  2. The building blocks of proteins. (two words)
  3. The energy needed to get a chemical reaction started. (two words)
  4. An atom with a net positive or negative charge due to the gain or loss of electrons.
  5. The main source of energy for living organisms.
  6. set of chemicals entering a chemical reaction.
  7. A property of water were water molecules are attracted to different substances.
  8. A property of water where water molecules are attracted to one another.
  9. A measurement system that indicates the concentration of H+ ions in a solution.
  10. A chemical bond formed when electrons are shared between atoms.
  11. Weak acids or bases that react with strong acids or bases to prevent sudden changes in pH.
  12. A solution that has a high concentration of H+ ions.
  13. Single molecular compounds.

25 Clues: Basic unit of matter. • Single molecular compounds. • A protein that performs different tasks. • The building blocks of proteins. (two words) • set of chemicals entering a chemical reaction. • The main source of energy for living organisms. • The set of chemicals leaving a chemical reaction. • A solution that has a low concentration of H+ ions. • ...

Ch. 5 AP Biology 2016-08-03

Ch. 5 AP Biology crossword puzzle
Across
  1. This is the energy of motion.
  2. Cell "taking a drink" of extracellular fluid.
  3. The specific amount of energy required to get a chemical reaction started.
  4. This is a measure of disorder or how dispersed energy is
  5. Small metal ions or molecules that assist enzymes
  6. Situation where solute concentrations are the same on both sides of a membrane
  7. Chemicals in foods that limit oxidation by free radicals.
  8. The acceleration of a chemical reaction by a molecule that is unchanged by the reaction.
  9. A type of regulation where a molecule binds to an enzyme somewhere other than the reaction site.
  10. The capacity to do work.
Down
  1. A disease where the liver becomes hardened, scarred, and filled with fat.
  2. A reaction that will not proceed without energy input.
  3. A reaction that transfers a phosphate group
  4. Type of transport that requires energy expenditure.
  5. Term for a specific molecule that fits the active site of an enzyme.
  6. Cell eating another cell
  7. In living and mechanical things, energy is generally wasted in this form.
  8. Chemical bonds have this type of energy.
  9. Type of diffusion that uses a transport protein but no free energy.
  10. An element that loses electrons becomes
  11. This type of inhibition occurs when the product of a reaction inhibits other enzymes in the series.
  12. The random spreading of molecules without energy input.
  13. The pressure that water exerts against a cell wall in plants.

23 Clues: Cell eating another cell • The capacity to do work. • This is the energy of motion. • An element that loses electrons becomes • Chemical bonds have this type of energy. • A reaction that transfers a phosphate group • Cell "taking a drink" of extracellular fluid. • Small metal ions or molecules that assist enzymes • Type of transport that requires energy expenditure. • ...

Chapter 13 Crossword 2017-02-27

Chapter 13 Crossword crossword puzzle
Across
  1. In what water is pH<7?
  2. Reactions in which there is a net release of energy.
  3. The new materials formed in a chemical reaction.
  4. Reactions in which there is net absorption of energy.
  5. Base=____.
  6. The minimum energy required to overcome the initial breaking of bonds in reactants.(2 words)
  7. A chemical that accepts a hydrogen ion.
Down
  1. Law that states matter is neither created nor destroyed. Law of ______ ______.(2 words)
  2. A chemical that donates a hydrogen ion.
  3. Reacting substances in a chemical reaction.
  4. The amount of energy required to pull two bonded atoms apart.(2 words)
  5. A measure of the concentration of hydrogen ions.
  6. Substance that lowers the activation energy of a chemical reaction.
  7. In what water is pH>7?
  8. The power to which 10 is raised.

15 Clues: Base=____. • In what water is pH<7? • In what water is pH>7? • The power to which 10 is raised. • A chemical that donates a hydrogen ion. • A chemical that accepts a hydrogen ion. • Reacting substances in a chemical reaction. • The new materials formed in a chemical reaction. • A measure of the concentration of hydrogen ions. • ...

Chapter 7 Revision Sheet 2016-05-20

Chapter 7 Revision Sheet crossword puzzle
Across
  1. dioxide Complete the equation: methane + oxygen —> _____ ______ + water
  2. The shell which can hold up to 18 electrons
  3. An ion with a negative charge
  4. Reactions in which a substance reacts with oxygen and heat is released
  5. A change of state is an example of a _____ change
  6. Chemical reactions that release energy
  7. The substance that reacts with oxygen in a combustion reaction
  8. proportions The law of ... which states that a compound, no matter how it is formed, always contains the same relative amounts of each element.
  9. The new substances that are formed during a chemical reaction
  10. The number that tells you how many molecules are in an equation
  11. of mass The law of … which states that matter can be neither created nor destroyed during a chemical reaction.
  12. reactions What takes place when the bonds between atoms are broken and new bonds are formed, creating a new arrangement of atoms and at least one new substance.
  13. Combustion reactions are examples of ______ reactions
  14. Element represented by the letter K
  15. The ability to do work
Down
  1. Number of electrons the first shell can hold
  2. The number that tells you how many atoms are in a molecule
  3. What Alfred Nobel invented
  4. An ion with a positive charge
  5. Complete the equation: hydrogen + _____ —> water
  6. All chemical equations need to be _______
  7. Chemical reactions that absorb energy from their surroundings
  8. The number that tells you the charge of an ion
  9. The original substances in a chemical reaction
  10. An atom with a different number of protons and neutrons
  11. A charged atom
  12. number The number of protons on an atom. Determines the element
  13. The protons and neutrons in an atom make up the _____

28 Clues: A charged atom • The ability to do work • What Alfred Nobel invented • An ion with a positive charge • An ion with a negative charge • Element represented by the letter K • Chemical reactions that release energy • All chemical equations need to be _______ • The shell which can hold up to 18 electrons • Number of electrons the first shell can hold • ...

CH2 Vocabulary 2022-10-11

CH2 Vocabulary crossword puzzle
Across
  1. A large number of amino-acids bonded together in a chain, forming part of (or the whole of) a protein molecule.
  2. A protein that performs different tasks.
  3. A type of chemical bond formed when one or more electrons are transferred from one atom to another.
  4. Building blocks of proteins, there are 20 of them. (two words)
  5. This type of chemical bond is formed when electrons are shared between atoms.
  6. A measurement system that indicates the concentration of H+ ions in a solution.
  7. Single molecular compounds.
  8. A solution that has a high concentration of H+ ions.
  9. An atom with a net positive or negative charge due to the gain or loss of electrons.
  10. sugar molecules, such as glycogen or plant starch.
  11. Weak acids or bases that react with strong acids or bases to prevent sudden changes in pH.
  12. set of chemicals leaving a chemical reaction.
  13. The transformation of one set of chemicals into another set of chemicals. (two words)
Down
  1. Macromolecules used for storing and transmitting genetic information. (two words)
  2. Large molecular compounds made of smaller units, or monomers.
  3. A solution that has a low concentration of H+ ions.
  4. The building of polymers using monomers.
  5. Basic unit of matter.
  6. Single sugar molecules, such as glucose, fructose, or galactose.
  7. The energy needed to get a chemical reaction started. (two words)
  8. The main source of energy for living organisms.
  9. Fats, oils, or waxes that are used by organisms for activities such as storing energy.
  10. Large macromolecules made of amino acids that are responsible for growth and other chemical processes in living organisms.
  11. The set of chemicals entering a chemical reaction.

24 Clues: Basic unit of matter. • Single molecular compounds. • The building of polymers using monomers. • A protein that performs different tasks. • set of chemicals leaving a chemical reaction. • The main source of energy for living organisms. • sugar molecules, such as glycogen or plant starch. • The set of chemicals entering a chemical reaction. • ...

Ch8 Chemical Equations and Reactions 2022-01-10

Ch8 Chemical Equations and Reactions crossword puzzle
Across
  1. using electric current to decompose a substance
  2. represents the identities and relative molecular amounts in a chemical reaction.
  3. represented by two arrow pointing in opposite directions which show the products reforming the original reactants
  4. a solid that is formed from a chemical reaction in solution and that separates from the solution
  5. an equation that is represented by using words in a chemical reaction
  6. a reaction which combines with oxygen, releasing lots of energy in the form of light and hear
  7. where only one element replaces another element in a compound
  8. two or more substances combine to make one new compound
Down
  1. both the products and reactants of a chemical reaction using formulas or symbols
  2. when two ions from different compounds exchange places in an aqueous solution which forms two new compounds
  3. when a single compound reacts to form two or more simple substances
  4. a list of elements organized by how they undergo certain chemical reactions
  5. the whole number that appears in front of a formula in a chemical equation

13 Clues: using electric current to decompose a substance • two or more substances combine to make one new compound • where only one element replaces another element in a compound • when a single compound reacts to form two or more simple substances • an equation that is represented by using words in a chemical reaction • ...

week 6 2025-02-05

week 6 crossword puzzle
Across
  1. แรงระหว่างโมเลกุล
  2. อุณหพลศาสตร์
  3. สมดุลเคมี
  4. สโตอิชิโอเมทรี
  5. คีเลชัน
  6. ไอออนเชิงซ้อน
  7. เอนทัลปี
  8. จลนพลศาสตร์ของปฏิกิริยา
  9. พลังงานกระตุ้น
  10. กลไกปฏิกิริยา
  11. อิเล็กตรอนเวเลนซ์
Down
  1. กัมมันตรังสี
  2. คู่อิเล็กตรอนโดดเดี่ยว
  3. เซลล์อิเล็กโทรเคมี
  4. ครึ่งชีวิต
  5. เอนโทรปี
  6. โครงสร้างเรโซแนนซ์
  7. ลิแกนด์
  8. ผลผลิตเชิงทฤษฎี
  9. ออร์บิทัลโมเลกุล

20 Clues: คีเลชัน • ลิแกนด์ • เอนโทรปี • เอนทัลปี • สมดุลเคมี • ครึ่งชีวิต • กัมมันตรังสี • อุณหพลศาสตร์ • ไอออนเชิงซ้อน • กลไกปฏิกิริยา • สโตอิชิโอเมทรี • พลังงานกระตุ้น • ผลผลิตเชิงทฤษฎี • ออร์บิทัลโมเลกุล • แรงระหว่างโมเลกุล • อิเล็กตรอนเวเลนซ์ • เซลล์อิเล็กโทรเคมี • โครงสร้างเรโซแนนซ์ • คู่อิเล็กตรอนโดดเดี่ยว • จลนพลศาสตร์ของปฏิกิริยา

Thermochemistry 2023-04-28

Thermochemistry crossword puzzle
Across
  1. substance that takes part in and undergoes change during a reaction
  2. unit of work or energy in the international system of units
  3. energy object possesses due to its motion
  4. the measurement of heat changes
  5. substance produced at the end of a chemical reaction
  6. chemical reaction where heat is absorbed
  7. energy that comes from a course and travels through space at the speed of light
  8. the energy required to raise the temperature of one gram of a substance by one degree Celsius
  9. Energy possessed within object because of movement of particles within it
  10. Amount of heat needed to turn liquid into a gas
Down
  1. thermal energy
  2. Unit of measuring temperature
  3. An energy unit equal to the approximate amount of energy required to raise one gram of water by one degree Celsius, or about 4.2 joules.
  4. standard unit of thermodynamic temperature
  5. study of energy changes that occur during chemical reactions and changes in state
  6. Amount of heat needed to turn solid into a liquid
  7. Heat energy transmitted directly through a substance or object without the movement of the material
  8. chemical reaction where heat is given off
  9. Heat transferred through movement

19 Clues: thermal energy • Unit of measuring temperature • the measurement of heat changes • Heat transferred through movement • chemical reaction where heat is absorbed • energy object possesses due to its motion • chemical reaction where heat is given off • standard unit of thermodynamic temperature • Amount of heat needed to turn liquid into a gas • ...

Thermochemistry 2023-04-28

Thermochemistry crossword puzzle
Across
  1. substance that takes part in and undergoes change during a reaction
  2. unit of work or energy in the international system of units
  3. energy object possesses due to its motion
  4. the measurement of heat changes
  5. substance produced at the end of a chemical reaction
  6. chemical reaction where heat is absorbed
  7. energy that comes from a course and travels through space at the speed of light
  8. the energy required to raise the temperature of one gram of a substance by one degree Celsius
  9. Energy possessed within object because of movement of particles within it
  10. Amount of heat needed to turn liquid into a gas
Down
  1. thermal energy
  2. Unit of measuring temperature
  3. An energy unit equal to the approximate amount of energy required to raise one gram of water by one degree Celsius, or about 4.2 joules.
  4. standard unit of thermodynamic temperature
  5. study of energy changes that occur during chemical reactions and changes in state
  6. Amount of heat needed to turn solid into a liquid
  7. Heat energy transmitted directly through a substance or object without the movement of the material
  8. chemical reaction where heat is given off
  9. Heat transferred through movement

19 Clues: thermal energy • Unit of measuring temperature • the measurement of heat changes • Heat transferred through movement • chemical reaction where heat is absorbed • energy object possesses due to its motion • chemical reaction where heat is given off • standard unit of thermodynamic temperature • Amount of heat needed to turn liquid into a gas • ...

enzyme 2021-03-24

enzyme crossword puzzle
Across
  1. consisting chiefly
  2. a substance that takes part in and undergoes change during a reaction.
  3. oppoiste of DNA
  4. start of a chemical reaction
  5. stores energy:made of fatty acid
  6. a substance that has a molecular
  7. a compound consisting of a nucleoside linked to a phosphate group
  8. a pure substance that cannot be broken down into other types of substances.
  9. a simple organic compound containing both a carboxyl
  10. first source of energy for animals
  11. molecules to form a polymer.
  12. made of amino acids
Down
  1. a substance deposited in bodily tissues as a store of carbohydrates
  2. the energy needed to start the chemical
  3. is common sugar
  4. Opposite of RNA
  5. the substance acted upon by an enzyme.
  6. destroy the characteristic properties
  7. the smallest unit of matter that retains all of the chemical properties of an element
  8. organic molecule made of smaller sub-units.
  9. produce itself
  10. protein that speeds up chemical reactions chemical substance that is present at
  11. a molecule that can be bonded to other
  12. of breaking down the substrate.
  13. a covalent bond formed by joining the carboxyl group of one amino acid to the amino group of another
  14. its a example of lipids
  15. species formed from chemical reactions
  16. to store energy for plants

28 Clues: produce itself • is common sugar • Opposite of RNA • oppoiste of DNA • consisting chiefly • made of amino acids • its a example of lipids • to store energy for plants • start of a chemical reaction • molecules to form a polymer. • of breaking down the substrate. • stores energy:made of fatty acid • a substance that has a molecular • first source of energy for animals • ...

Physical vs. Chemical Changes 2013-01-24

Physical vs. Chemical Changes crossword puzzle
Across
  1. a change of matter from one form to another
  2. One sign a chemical reaction occurred is a change in this.
  3. this is a physical property that is mass divided by volume
  4. An example of a physical change where sugar combines with water
  5. This is released or absorbed when matter changes
  6. Sodium and Chlorine react to form this substance
  7. Chemical property that describes a substance's ability to burn
  8. Bubbles, fizzing, or foaming shows that this was produced
  9. When two liquids combine, and form a new solid.
  10. When Iron reacts with Oxygen, this chemical change occurs.
  11. The amount of matter in an object
  12. Another word for chemical change
  13. The amount of space an object takes up
  14. Ice absorbs thermal energy and changes state
Down
  1. A form of energy that is released or absorbed.
  2. a characteristic of matter that describes it
  3. a change that occurs when one or more substances change into a new substance
  4. You look for these to see if a chemical reaction occurred
  5. A physical change involves a change in size, shape, or ____
  6. Anything that has mass and takes up space
  7. Chemical property that describes a substance's ability to combine with other substances
  8. Describes what form of matter it is, such as a solid

22 Clues: Another word for chemical change • The amount of matter in an object • The amount of space an object takes up • Anything that has mass and takes up space • a change of matter from one form to another • a characteristic of matter that describes it • Ice absorbs thermal energy and changes state • A form of energy that is released or absorbed. • ...

Chemistry Bonus 2024-05-08

Chemistry Bonus crossword puzzle
Across
  1. state of matter characterized by having neither a defined shape nor defined volume.
  2. describes a system containing water.
  3. what is put into a chemical reaction
  4. gas in which molecules have negligible size and kinetic energy dependent only on temperature.
  5. representation of a chemical reaction using symbols
  6. a solute passing into solution, usually a solid going to the liquid phase.
  7. deoxyribonucleic acd, an organic molecule that codes for proteins.
  8. result of chemical reaction
  9. the variable that is controlled or changed in an experiment to test its effect on the dependent variable.
  10. the closeness of a measurement to a true or accepted value.
  11. transformation from a gas directly to a solid
  12. the adhesion of a chemical species onto a surface
Down
  1. an ion with a negative electrical charge.
  2. any matter or substance that has mass.
  3. transformation from a solid directly to a gas
  4. to release heat
  5. the lowest possible state at which matter can exist, 0 K or -273.15°C.
  6. important numbers in a number
  7. the absorption of heat
  8. a technique where a solution of known concentration is used to determine the concentration of an unknown solution
  9. the defining unit of an element, which cannot be subdivided using chemical means.
  10. mass per unit volume

22 Clues: to release heat • mass per unit volume • the absorption of heat • result of chemical reaction • important numbers in a number • describes a system containing water. • what is put into a chemical reaction • any matter or substance that has mass. • an ion with a negative electrical charge. • transformation from a solid directly to a gas • ...

Photosynthesis Vocab Crossword 2025-04-10

Photosynthesis Vocab Crossword crossword puzzle
Across
  1. The word for H2O
  2. Photosynthesis cannot occur without this
  3. The color that chlorophyll mostly reflects
  4. The word for C6H12O6
  5. An ingredient in a chemical reaction
  6. The gas reactant for photosynthesis
  7. The main pigment used in photosynthesis
  8. The photosynthesis product that is cast away by plants
Down
  1. A chemical reaction through which plants make sugar
  2. Dioxide The word for CO2
  3. The part of the leave that is used for breathing
  4. The word for O2
  5. The organelle where photosynthesis occurs
  6. The photosynthesis product that plants use for food
  7. The liquid reactant for photosynthesis
  8. The result(s) of a chemical reaction

16 Clues: The word for O2 • The word for H2O • The word for C6H12O6 • Dioxide The word for CO2 • The gas reactant for photosynthesis • An ingredient in a chemical reaction • The result(s) of a chemical reaction • The liquid reactant for photosynthesis • The main pigment used in photosynthesis • Photosynthesis cannot occur without this • The organelle where photosynthesis occurs • ...

7th grade science crossword puzzle - Interactive piece 2023-06-02

7th grade science crossword puzzle - Interactive piece crossword puzzle
Across
  1. reaction is hotter than its surroundings
  2. changes consist of boiling, melting, freezing, and shredding
  3. neutral charge in atom
  4. 2 or more atoms chemically bonded to each other
  5. has a definite shape and volume
  6. reaction is cooler than its surroundings
  7. can neither be created or destroyed in a chemical reaction
Down
  1. positive charge in atom
  2. negative charge in atom
  3. changes consist of burning, cooking, rusting, and rotting
  4. bond that occurs through the interaction of neutral atoms
  5. has a deinite volume but takes the shape of the container
  6. substance that cannot be broken down by chemical means
  7. bond is the strongest type of chemical bond
  8. has no definite shape or volume

15 Clues: neutral charge in atom • positive charge in atom • negative charge in atom • has a definite shape and volume • has no definite shape or volume • reaction is hotter than its surroundings • reaction is cooler than its surroundings • bond is the strongest type of chemical bond • 2 or more atoms chemically bonded to each other • ...

Chemical reactions and equations 2024-05-14

Chemical reactions and equations crossword puzzle
Across
  1. Representation of a chemical reaction1.
  2. Reaction where a single compound breaks down into two or more elements or new compounds1.
  3. Chemical equation with the same number of atoms of each element on both sides1.
  4. Dissolved in water.
  5. Reaction that releases energy.
  6. where an element displaces another element from a compound1.
  7. Substances on the left hand side of the equation
  8. Reaction where two or more substances combine to form a new substance1.
  9. Substance that speeds up a reaction without being consumed.
  10. Reaction that absorbs energy.
Down
  1. involving the gain of oxygen .
  2. involving the loss of oxygen
  3. Reaction of a substance with oxygen, releasing energy.
  4. Insoluble solid formed in a reaction.
  5. Substances on the Right hand side of the equation

15 Clues: Dissolved in water. • involving the loss of oxygen • Reaction that absorbs energy. • involving the gain of oxygen . • Reaction that releases energy. • Insoluble solid formed in a reaction. • Representation of a chemical reaction1. • Substances on the left hand side of the equation • Substances on the Right hand side of the equation • ...

Chemical Clues 2025-05-01

Chemical Clues crossword puzzle
Across
  1. One substance breaks down into two or more simpler substances.
  2. An equation where the number of atoms of each element is the same on both sides.
  3. Substance that speeds up a reaction, without changing itself.
  4. Spoiling of fats and oils (bad smell/taste).
  5. Gives out heat.
  6. The new substances formed in a chemical reaction.
  7. Slow damage of metals by air/moisture.
  8. The starting substances in a chemical reaction.
Down
  1. A way to represent a chemical reaction using symbols and formulas.
  2. A more reactive element replaces a less reactive one.
  3. Loss of oxygen or gain of electrons.
  4. Two compounds exchange ions to form new compounds.
  5. A substance reacts with oxygen to release heat and light.
  6. Takes in heat.
  7. Breaking compounds using electricity
  8. Gain of oxygen or loss of electrons.

16 Clues: Takes in heat. • Gives out heat. • Loss of oxygen or gain of electrons. • Breaking compounds using electricity • Gain of oxygen or loss of electrons. • Slow damage of metals by air/moisture. • Spoiling of fats and oils (bad smell/taste). • The starting substances in a chemical reaction. • The new substances formed in a chemical reaction. • ...

Elements crossword by Ian and Amos 2015-02-12

Elements crossword by Ian and Amos crossword puzzle
Across
  1. made from two compounds
  2. gas liquid solid
  3. stuff
  4. gas to liquid
  5. substances from a chemical reaction
  6. spread out
  7. made from one type of material
  8. solid to liquid
  9. amount of matter in a thing that made out of
Down
  1. not shiny
  2. atoms
  3. liquid to gas
  4. liquid to solid
  5. made from elements
  6. solid to gas
  7. flow around each other
  8. become denser
  9. a staring substances in a chemical reaction
  10. cannot move
  11. shiny

20 Clues: atoms • stuff • shiny • not shiny • spread out • cannot move • solid to gas • liquid to gas • gas to liquid • become denser • liquid to solid • solid to liquid • gas liquid solid • made from elements • flow around each other • made from two compounds • made from one type of material • substances from a chemical reaction • a staring substances in a chemical reaction • ...

Chemistry Module 13 2023-04-19

Chemistry Module 13 crossword puzzle
Across
  1. the law that states enthalpy is a state function
  2. the law that states entropy must increase or remain the same; can never decrease
  3. when ∆Hrxn of a chemical reaction is negative
  4. measure of disorder in a system
  5. needed energy to start chemical reaction
  6. when does a reaction is spontaneous
Down
  1. it say that the final answer is fixed, whereas the way to get the answer is different.
  2. equation of Gibbs free energy
  3. when ∆Hrxn of a chemical reaction is positive
  4. energy change accompanying with a chemical reaction
  5. when does a reaction is not spontaneous

11 Clues: equation of Gibbs free energy • measure of disorder in a system • when does a reaction is spontaneous • when does a reaction is not spontaneous • needed energy to start chemical reaction • when ∆Hrxn of a chemical reaction is negative • when ∆Hrxn of a chemical reaction is positive • the law that states enthalpy is a state function • ...

vocab 2023-10-03

vocab crossword puzzle
Across
  1. numbers come next a symbol
  2. equation represent a reaction
  3. creates a solution
  4. natural,agricultural,or industrial product
  5. substance one kind of particle
  6. no definite shape
  7. substance formed
  8. crystals
  9. two or more atoms
  10. same protons
  11. constant term
  12. dissolved in a solvent
Down
  1. bonding two or more
  2. identical
  3. changes to a chemical reaction
  4. throughout the mixture
  5. combination
  6. reaction new substance
  7. of conservation of mass mass states

19 Clues: crystals • identical • combination • same protons • constant term • substance formed • no definite shape • two or more atoms • creates a solution • bonding two or more • throughout the mixture • dissolved in a solvent • numbers come next a symbol • reaction new substance • changes to a chemical reaction • substance one kind of particle • equation represent a reaction • ...

Carbohydrates Crossword 2023-04-27

Carbohydrates Crossword crossword puzzle
Across
  1. means many
  2. means to cut
  3. monomer of carbohydrates
  4. means sugar
  5. shape of glucose
  6. means two
  7. structure for plants
  8. molecular formula of fructose and glucose
  9. chemical reaction that separates monosaccharides
  10. fuel for body and brain
  11. bond between monosaccharides
  12. shape of fructose
  13. carbohydrate energy storage in animals
Down
  1. the polymer of carbohydrates
  2. means water
  3. fruit sugar
  4. two monosaccharides bonded together
  5. table sugar
  6. energy storage for plants
  7. means one
  8. chemical reaction combining monosaccharides
  9. malt sugar

22 Clues: means two • means one • means many • malt sugar • means water • fruit sugar • table sugar • means sugar • means to cut • shape of glucose • shape of fructose • structure for plants • fuel for body and brain • monomer of carbohydrates • energy storage for plants • the polymer of carbohydrates • bond between monosaccharides • two monosaccharides bonded together • carbohydrate energy storage in animals • ...

Reactions and Energy 2021-05-17

Reactions and Energy crossword puzzle
Across
  1. heat / the heat required to raise the temperature of the unit mass of a given substance by a given amount (usually one degree).
  2. / when a substance (or a few substances) change into another substance.
  3. / the strength and vitality required for sustained physical or mental activity.
  4. / a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
  5. / equal to the work done by a force of one newton when its point of application moves one meter in the direction of action of the force, equivalent to one 3600th of a watt-hour.
  6. area / the area of such an outer part or uppermost layer.
  7. / (of a reaction or process) accompanied by or requiring the absorption of heat.
  8. rate / speed of reaction for a reactant or product in a particular reaction is intuitively defined as how quickly or slowly a reaction takes place.
  9. / a substance that takes part in and undergoes change during a reaction.
  10. energy / the minimum quantity of energy that the reacting species must possess in order to undergo a specified reaction.
Down
  1. / The degree or intensity of heat present in a substance or object, especially as expressed according to a comparative scale and shown by a thermometer or perceived by touch
  2. / product is a new material formed in a chemical reaction.
  3. of conservation of Mass / states that mass in an isolated system is neither created nor destroyed by chemical reactions or physical transformations
  4. / the heat required to raise the temperature of the unit mass of a given substance by a given amount (usually one degree).
  5. / (of a compound) formed from its constituent elements with a net release of heat.
  6. / either of two units of heat energy.
  7. / the process or result of oxidizing or being oxidized.

17 Clues: / either of two units of heat energy. • / the process or result of oxidizing or being oxidized. • area / the area of such an outer part or uppermost layer. • / product is a new material formed in a chemical reaction. • / when a substance (or a few substances) change into another substance. • / a substance that takes part in and undergoes change during a reaction. • ...

Chemical reaction 2023-07-18

Chemical reaction crossword puzzle
Across
  1. this Energy is used to break the bonds between the atoms
  2. when heat is absorbed in during a chemical reaction
  3. two or more substances joined together to make a new substance.
Down
  1. a substance breaks down into simpler substance
  2. when heat is given out during a chemical reaction
  3. a substance gains oxygen during a chemical reaction
  4. it cannot be created nor destroyed,only transferable

7 Clues: a substance breaks down into simpler substance • when heat is given out during a chemical reaction • a substance gains oxygen during a chemical reaction • when heat is absorbed in during a chemical reaction • it cannot be created nor destroyed,only transferable • this Energy is used to break the bonds between the atoms • ...

Chemistry cossword 2024-03-14

Chemistry cossword crossword puzzle
Across
  1. - Analyzing light interactions with matter
  2. - Capable of being maintained over the long term
  3. - Production of complex molecules in living organisms
  4. - Relating to the decomposition of substances by electricity
  5. - Chemical reaction that releases heat energy
  6. - Chemical reaction involving transfer of electrons
  7. - Breakdown of molecules induced by light
  8. - Loss of a proton from a molecule
  9. - Reactant acted upon by an enzyme
  10. - Act of dividing or isolating components from a mixture
  11. - Reactivity involving electron-deficient species
  12. - Composed of different components not uniformly distributed
  13. - Bending of light waves as they pass around obstacles
  14. - Reactivity involving electron-rich species
Down
  1. - Measure of effectiveness or productivity
  2. - Study of chemical processes involving electricity
  3. - Study of particles' behavior at the smallest scales
  4. - Process of combining monomers to form polymers
  5. - Substance being analyzed or measured
  6. - Enzyme responsible for polymerization of nucleic acids
  7. - Study of the spatial arrangement of atoms in molecules
  8. - Initiation of a chemical reaction
  9. - Technique separating chemical mixtures
  10. - Chemicals that donate or accept protons
  11. - Acceleration of chemical reactions by catalysts
  12. - Methodical examination or investigation
  13. - Substance capable of dissolving other substances
  14. - Bonding of metal ions to ligands in complexes
  15. - Process of determining the concentration of a solution
  16. - Balance between opposing forces or actions

30 Clues: - Loss of a proton from a molecule • - Reactant acted upon by an enzyme • - Initiation of a chemical reaction • - Substance being analyzed or measured • - Technique separating chemical mixtures • - Chemicals that donate or accept protons • - Methodical examination or investigation • - Breakdown of molecules induced by light • - Analyzing light interactions with matter • ...

Vocab 4 2024-03-27

Vocab 4 crossword puzzle
Across
  1. a chemical substance that neutralizes alkalis, dissolves some metals, and turns litmus red; typically, a corrosive or sour-tasting liquid of this kind.
  2. any substance that in water solution is slippery to the touch, tastes bitter
  3. a chemical reaction in which an acid and base quantitatively react together to form a salt and water as products
  4. a chemical process in which two or more simple elements or compounds combine to form a more complex product.
  5. the number in front of the formula.
  6. tells you by mass what percent of each element is present in a compound
  7. Empirical Formula
Down
  1. a reaction in which a compound breaks down into two or more simpler substances.
  2. consisting of an ionic assembly of positively charged cations and negatively charged anions
  3. the mass in grams of one mole of a substance.
  4. a chemical reaction, the total mass of the products must be equal to the total mass of the reactants.
  5. raw materials that react with one another and form products
  6. chemical substances which are formed due to a chemical reaction between two or more chemical substances
  7. small-sized number on the bottom right of the symbol.
  8. ives the total number of atoms of each element in a molecule.
  9. potential of hydrogen

16 Clues: Empirical Formula • potential of hydrogen • the number in front of the formula. • the mass in grams of one mole of a substance. • small-sized number on the bottom right of the symbol. • raw materials that react with one another and form products • ives the total number of atoms of each element in a molecule. • ...

Vocab 4 2024-03-27

Vocab 4 crossword puzzle
Across
  1. a chemical substance that neutralizes alkalis, dissolves some metals, and turns litmus red; typically, a corrosive or sour-tasting liquid of this kind.
  2. any substance that in water solution is slippery to the touch, tastes bitter
  3. a chemical reaction in which an acid and base quantitatively react together to form a salt and water as products
  4. a chemical process in which two or more simple elements or compounds combine to form a more complex product.
  5. the number in front of the formula.
  6. tells you by mass what percent of each element is present in a compound
  7. Empirical Formula
Down
  1. a reaction in which a compound breaks down into two or more simpler substances.
  2. consisting of an ionic assembly of positively charged cations and negatively charged anions
  3. the mass in grams of one mole of a substance.
  4. a chemical reaction, the total mass of the products must be equal to the total mass of the reactants.
  5. raw materials that react with one another and form products
  6. chemical substances which are formed due to a chemical reaction between two or more chemical substances
  7. small-sized number on the bottom right of the symbol.
  8. ives the total number of atoms of each element in a molecule.
  9. potential of hydrogen

16 Clues: Empirical Formula • potential of hydrogen • the number in front of the formula. • the mass in grams of one mole of a substance. • small-sized number on the bottom right of the symbol. • raw materials that react with one another and form products • ives the total number of atoms of each element in a molecule. • ...

vocab crossword 2013-12-19

vocab crossword crossword puzzle
Across
  1. proton positive charge, located in the nucleus
  2. law of conversation of mass states that in a chemical reaction, matter can't be created or destroyed
  3. the smallest part of an element-the building block of matter
  4. family a vertical group, based on same, or similar chemical or physical properties
  5. chemical reaction the changes when an element is put together or pulled apart
  6. a greek word that means indivisible
  7. physical change is a type of change in which the form of matter is altered but one substance is not transformed into another
  8. the center of an atom, that holds the protons and neutrons
  9. physical property a characteristic that can be observed or measured
  10. reactant the substance you start with
  11. electron negative charge, that moves around the nucleus
Down
  1. product the substance you end with
  2. the first person to discover atoms
  3. period the horizontal rows, numbered 1-7
  4. mass the number of protons and neutrons inside the nucleus
  5. chemical change occur when a substance combines with another to form a new substance
  6. molecule a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction
  7. compound a substance that is made of 2 or more than 2 different elements
  8. neutron neutral charge, located inside the nucleus
  9. chemical property a characteristic that enables a substance to undergo a chemical change
  10. element a substance that is made up of only 1 atom

21 Clues: the first person to discover atoms • product the substance you end with • a greek word that means indivisible • reactant the substance you start with • period the horizontal rows, numbered 1-7 • proton positive charge, located in the nucleus • neutron neutral charge, located inside the nucleus • element a substance that is made up of only 1 atom • ...

Actuvity 2 2023-12-04

Actuvity 2 crossword puzzle
Across
  1. Substance with a pH less than 7.
  2. Process of forming ions in a solution.
  3. Study of energy changes in chemical reactions.
  4. Solid formed during a chemical reaction in a solution.
  5. Type of reaction involving both reduction and oxidation.
Down
  1. State in which opposing forces or processes are balanced.
  2. Substances that undergo a chemical change.
  3. The ability of a substance to dissolve in a solvent.
  4. Reaction between an acid and a base, resulting in a neutral solution.
  5. French chemist known for his principle on chemical equilibrium.
  6. The amount of a substance in a given volume.
  7. Substance that speeds up a chemical reaction without being consumed.

12 Clues: Substance with a pH less than 7. • Process of forming ions in a solution. • Substances that undergo a chemical change. • The amount of a substance in a given volume. • Study of energy changes in chemical reactions. • The ability of a substance to dissolve in a solvent. • Solid formed during a chemical reaction in a solution. • ...

WS Equilibrium 2024-04-22

WS Equilibrium crossword puzzle
Across
  1. the principle that in a reversible reaction the ratio of the rate of the forward reaction to the rate of the reverse reaction is a constant for that reaction
  2. measures the relative amounts of products and reactants present during a reaction at a particular point in time
  3. a chemical reaction where the reactants form products that, in turn, react together to give the reactants back
  4. is the state of a system in which the rate of the forward reaction is equal to the rate of the reverse reaction
  5. expresses the relationship between products and reactants of a reaction at ___________ with respect to a specific unit
  6. heat is absorbed by the system from the surroundings
  7. the sum of the internal energy and the product of pressure and volume
  8. a system whose reactants, products, or both are in more than one phase is a
Down
  1. if heat is released by the system into the surroundings
  2. When the products and reactants of an equilibrium reaction form a single phase, whether gas or liquid, the system is a
  3. a substance that is present at the start of a chemical reaction
  4. is used in the manufacturing of ammonia from nitrogen and hydrogen, and then goes on to explain the reasons for the conditions used in the process
  5. the minimum energy that colliding particles must have in order to undergo a reaction
  6. states that if a dynamic equilibrium is disturbed by changing the conditions, the position of equilibrium shifts to counteract the change to reestablish an equilibrium
  7. the time needed for a change in concentration to occur
  8. a natural physical system that does not allow transfer of matter in or out of the system
  9. a substance that is present at the end of a chemical reaction

17 Clues: heat is absorbed by the system from the surroundings • the time needed for a change in concentration to occur • if heat is released by the system into the surroundings • a substance that is present at the end of a chemical reaction • a substance that is present at the start of a chemical reaction • ...

Classification of Matter 2025-11-06

Classification of Matter crossword puzzle
Across
  1. two or more substances that are not chemically united
  2. change in the physical properties of a substance
  3. the elements of a compound and their relative proportions
  4. substance obtained from another substance through chemical change
  5. change that is accompanied by a liberation of heat
  6. Uniform mixture where the components are evenly distributed
  7. state in which the particles of a substance are mixed with a fluid but are undissolved
  8. one of two or more existing forms of an element.
  9. A substance having a specific molecular composition
  10. substance participating in a chemical reaction present at the start of the reaction
  11. a substance composed of two or more metals, or of a metal or metals with a nonmetal
  12. change that is accompanied by an absorption of heat
  13. pure substance composed of two or more elements
Down
  1. chemical reaction involving the rearrangement of the atoms of one or more substances
  2. Substances that cannot be separated into simpler substances
  3. characteristic of a substance that is observed without changing the chemical composition
  4. property of a substance that is observed when the chemical composition is changed
  5. matter with a constant composition and distinct properties
  6. non-uniform mixture
  7. very small particles of one substance are distributed evenly throughout another substance
  8. the smallest component of an element having the chemical properties of the element

21 Clues: non-uniform mixture • pure substance composed of two or more elements • change in the physical properties of a substance • one of two or more existing forms of an element. • change that is accompanied by a liberation of heat • A substance having a specific molecular composition • change that is accompanied by an absorption of heat • ...

Macromolecules BY HAILEY RUIZ 2021-08-20

Macromolecules BY HAILEY RUIZ crossword puzzle
Across
  1. a chemicals reaction that is accompanied by the absorption of heat
  2. Elements or compounds produces by a chemical reaction
  3. the backbone of the lipid
  4. Made up of 5-carbons
  5. The monomer of lipids
  6. a compound made of carbon, hydrogen, and oxygen atoms
  7. speeds up the rate of specific biological reaction..
  8. energy needed for a reaction to begin
  9. Sweet and can give you energy
  10. Macromolecule made mostly from carbon and hydrogen atoms.
Down
  1. Acid Compound with an amino group on one end and a carboxyl group on the other end
  2. Acid Macromolecules contain hydrogen, carbon, and phosphorus
  3. a chemical reaction that is accompanied by the release of heat
  4. SINGLE SUGAR MOLECULE
  5. a fat with at least one double carbon-carbon
  6. Reactant of an enzyme reaction!!
  7. A compound made by joining 2 monosaccharides
  8. A fatty acids containing no double bonds
  9. contains carbon, hydrogen, oxygen, and nitrogen! Need it so your body can grow

19 Clues: Made up of 5-carbons • SINGLE SUGAR MOLECULE • The monomer of lipids • the backbone of the lipid • Sweet and can give you energy • Reactant of an enzyme reaction!! • energy needed for a reaction to begin • A fatty acids containing no double bonds • a fat with at least one double carbon-carbon • A compound made by joining 2 monosaccharides • ...

enzymes 2020-11-01

enzymes crossword puzzle
Across
  1. any substance that speeds up a reaction
  2. the substance produced in an enzyme reaction
  3. enzymes can be used over and over _____ after a chemical reaction
  4. the substance an enzyme works on
  5. a biological catalyst
Down
  1. type of protein, found on the surface of cells
  2. enzymes _____ up chemical reactions
  3. type of protein, a chemical messenger
  4. enzymes remain ______ after a chemical reaction
  5. what enzymes are made out of
  6. type of protein, fights infections

11 Clues: a biological catalyst • what enzymes are made out of • the substance an enzyme works on • type of protein, fights infections • enzymes _____ up chemical reactions • type of protein, a chemical messenger • any substance that speeds up a reaction • the substance produced in an enzyme reaction • type of protein, found on the surface of cells • ...

Chemistry 2012-11-19

Chemistry crossword puzzle
Across
  1. an negatively charged particle that is found in on the outside of the nucleus
  2. something you study everyday in 8th grade
  3. separation of a substance into two or more sustances
  4. reaction something that happens when you mix two or more substances together
  5. having the power to dissolve
  6. an positively charged particle that is founf in the nucleus
  7. an non charge particle that is found in the nucleus
  8. having the power of not dissolving
  9. there are 103 of these in the periodic table
Down
  1. a representation of a chemical reaction using symbols of the elements to indiate the amount of a substance
  2. conversion the process of changing one form of energy into another
  3. bubbling or steaming produce by heat
  4. relatively high degee of warmth
  5. the smallest component of an element
  6. reaction reaction two compounds switch places to form two new compounds
  7. the smallest physical unit of an element
  8. an electrically charged atom or group of atoms formed by the loss or gain of one or more electrons
  9. the home of where you can find protons and neutrons

18 Clues: having the power to dissolve • relatively high degee of warmth • having the power of not dissolving • bubbling or steaming produce by heat • the smallest component of an element • the smallest physical unit of an element • something you study everyday in 8th grade • there are 103 of these in the periodic table • the home of where you can find protons and neutrons • ...