chemical reaction Crossword Puzzles

What's Hot? 2014-09-23

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

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

What's Hot? 2014-09-23

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

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

Stoichiomic Shrimp and Grits 2023-05-15

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

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

What's Hot? 2014-09-23

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

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

What's Hot? 2014-09-23

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

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

Chemistry Review 2017-02-08

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

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

reactions 2019-12-03

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

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

Stoichiomic Shrimp and Grits 2023-05-15

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

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

Chemical Reactions 2022-04-05

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

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

hozie is the shis 2016-06-07

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

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

Science Vocab 2023-12-06

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

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

Unit 2 Chemistry Vocab 2021-10-04

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

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

Factors Affecting The Rates of Reactions 2021-11-09

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

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

Redox Reaction 2020-07-01

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

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

Redox Reaction 2020-07-01

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

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

Science Chemical Crossword 2014-11-06

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

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

Chemistry :D 2015-11-13

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

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

Chapter 5 2022-05-04

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

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

Chemical Reaction Vocabulary 2022-03-25

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

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

Alex S. Crossword 2024-05-15

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

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

Chemistry Crossword 2021-10-04

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

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

Chapter 5 2022-05-04

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

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

Chemical Reactions 2024-05-24

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

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

Chemistry Crossword 2015-11-19

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

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

Chemical Reactions 2022-11-18

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

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

Year 9 Chemistry Key Words Revision 2022-05-08

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

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

Terms covered 2021-09-08

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

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

vocab science 2023-10-06

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

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

Cross Chemistry (Liam Lord) 2019-06-11

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

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

Chem 2 2022-01-20

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

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

Crossword 2024-04-27

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

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

Jakie Jake - Chemical Change 2022-03-18

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

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

Chemistry Vocab by Kaleigh Quick 2015-10-14

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

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

Collision Theory 2026-01-09

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

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

Science on The Mainstage 2024-12-03

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

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

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

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

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

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

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

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

Science 2025-04-28

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

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

Chemical Reactions 2025-10-23

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

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

Chemistry Vocab Game! 2019-10-12

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

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

Macromolecules 2024-10-22

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

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

Redox Reaction 2020-07-01

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

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

Ada's crossword puzzle 2024-05-15

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

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

Mixtures and Solutions 2023-05-05

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

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

Chemical Reactions 2025-09-07

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

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

chemistry crossword 2022-04-03

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

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

Chemistry 2025-05-12

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

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

Unit 4 Vocabulary 2024-03-26

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

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

Cross Chemistry (Liam Lord) 2019-06-11

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

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

Chemical Reactions Review 2022-05-02

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

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

Chemical Reactions Review 2022-05-02

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

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

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

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

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

Matter Vocabulary 2024-05-15

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

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

Chapter 2 Vocabulary Revie 2023-12-11

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

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

Stoichiometry Vocab 2022-01-20

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

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

Ch. 6&7 crossword puzzle 2018-05-01

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

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

Ch. 6&7 crossword puzzle 2018-05-01

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

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

Science crossword 2024-05-15

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

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

Chemical Reactants. 2023-11-13

Chemical Reactants. crossword puzzle
Across
  1. Are those which absorb from the surrounding and result in a net decrease in temperature
  2. is a chemical equation with the same number of each element on both sidesof the arrow.
  3. is a substance that is formed as a result of a chemical reaction
  4. The speed at which reactants are converted in products.
  5. a chemical reaction that releases energy in the farm of light or heat
  6. is the number infront of the formula that is relattes to the properties of the product for example 2 h20 means there is two molecules of water
  7. A substance that takes part in and undergoes change during a reaction
  8. Loss of electrons Reduction gainof electrons
  9. A type of lettering form written lower than the things around it in chemical formulas the number of atoms in a molecule is written in this manner.
  10. is a substance produced by a living organism that acts as a xatalyst to bring about a specific biochemical reaction
Down
  1. A substance that slows down or prevents a particular chemical reaction or different process or that reduces the activity of a particular reactant catalyst or enzyme
  2. for any system close to all transfers of matter and energy the mass of the system must remain constentover time as systems mass connect change so quantity cannot be removed.
  3. the amount of a substance that contains 6.02 x 10 power of 23 particles of that substance
  4. A representation of a chemical reaction using symbols of the elements to ndicate the amount of substance usually in moles of each reactant and product
  5. a state in which forward and reverse reactions or preceses proceed at quil rates.
  6. mass in grams of one mole of a substance
  7. A substance that increases the rate of chemical reaction with out it self undergoing any permanent chemical change

17 Clues: mass in grams of one mole of a substance • Loss of electrons Reduction gainof electrons • The speed at which reactants are converted in products. • is a substance that is formed as a result of a chemical reaction • a chemical reaction that releases energy in the farm of light or heat • A substance that takes part in and undergoes change during a reaction • ...

Chemistry revision 2016-06-07

Chemistry revision crossword puzzle
Across
  1. Metal carbonate + a salt + carbon dioxide + water
  2. as a neutral atom this element has 16 electrons
  3. aspirin will work faster if it is
  4. speeds up a chemical reaction without being changed
  5. what type of reaction is ABC A + B + C
  6. evidence of a chemical reaction that you can hear
  7. CO
  8. effect of cooling on rate of reaction
  9. state of matter where atoms are very close together
Down
  1. number of electrons in a full second shell
  2. in the periodic table, going down a group metals become more or less reactive
  3. what type of reaction is A + B AB
  4. potatoes cook faster if cut into more pieces due to an increase in
  5. this element has 8 protons
  6. this element has the atomic number 29
  7. which side of the reaction are the reactants on
  8. OH
  9. effect of heating on a rate of reaction
  10. a water molecule has one oxygen atoms and 2 of what element
  11. state of a substance dissolved in water

20 Clues: OH • CO • this element has 8 protons • aspirin will work faster if it is • what type of reaction is A + B AB • this element has the atomic number 29 • effect of cooling on rate of reaction • effect of heating on a rate of reaction • state of a substance dissolved in water • number of electrons in a full second shell • what type of reaction is ABC A + B + C • ...

Stoichiometry Vocab 2022-01-20

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

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

Chemistry Unit 4 2023-01-24

Chemistry Unit 4 crossword puzzle
Across
  1. the mass of one mole of a substance
  2. lowest whole number ratio of the atoms of the elements in a compound
  3. the molar mass of a substance is expressed in... per mol
  4. we use molar mass to convert between mass and... of a substance
  5. the chemical reaction in which two or more substances react to form one new substance
  6. atoms, molecules, or formula units
  7. we use... to convert between moles and volume of a gas at STP
Down
  1. tells the actual number of each kind of atom present in a molecule of the compound
  2. avogadro's... assumes equal volumes of gases at the same temp. and pressure contain equal numbers of particles
  3. ... replacement is the chemical reaction in which there is an exchange of positive ions between two compounds
  4. the arrow in a chemical reaction that separates reactants and products
  5. the chemical reaction in which one compound breaks down into two or more simpler products
  6. percent by mass of each element in a compound
  7. in a chemical reaction, one or more... change into one or more products
  8. ... gas is always a reactant in a combustion reaction

15 Clues: atoms, molecules, or formula units • the mass of one mole of a substance • percent by mass of each element in a compound • ... gas is always a reactant in a combustion reaction • the molar mass of a substance is expressed in... per mol • we use... to convert between moles and volume of a gas at STP • we use molar mass to convert between mass and... of a substance • ...

lpresnell chapter13 mr.burkholder 2018-03-08

lpresnell chapter13 mr.burkholder crossword puzzle
Across
  1. What reaction is when there is a net release of energy.
  2. What chemical reaction is this AB-A+B
  3. what chemical reaction is this A+B-AB.
  4. What chemical reaction is this A+BC-AC+B.
  5. Bond energy is also known as what.
Down
  1. What reaction is when there is a net absorption of energy.
  2. what chemical reaction is this AB+CD-AD+CB.
  3. What chemical reaction is this AB+oxygen-oxides of A&B+H2O.
  4. what is the PH of basic water.
  5. What is the PH of pure water.
  6. What is the PH of acidic water.

11 Clues: What is the PH of pure water. • what is the PH of basic water. • What is the PH of acidic water. • Bond energy is also known as what. • What chemical reaction is this AB-A+B • what chemical reaction is this A+B-AB. • What chemical reaction is this A+BC-AC+B. • what chemical reaction is this AB+CD-AD+CB. • What reaction is when there is a net release of energy. • ...

Crossword 2024-04-16

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

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

Unit B by TJ Zintel 9Mi 2014-11-20

Unit B by TJ Zintel 9Mi crossword puzzle
Across
  1. a cloudy mixture that cannot be separated.
  2. Chemical combination of 2 or more elements in a specific ratio.
  3. a combination of pure substances
  4. A change of state from gas to solid.
  5. The number of protons in a nucleus.
  6. A solution in which the solvent is water.
  7. The measure of how easily electricity can move through this.
  8. The mass of one atom.
  9. A experiment in which the products are not accounted for.
  10. the elements that combine to create a chemical reactions.
  11. the vertical column in the periodic table of elements
  12. the center of the atom and it contains neutrons and protons
Down
  1. the amount of mass within a given area.
  2. A slow chemical reaction with oxygen and a metal.
  3. A fast chemical reaction that occurs when oxygen reacts with a substance.
  4. horizontal row on the periodic table of elements.
  5. a positively charged particle in a nucleus of an atom.
  6. A chemical reaction that gives off heat.
  7. a negatively charged particle in an atom.
  8. A combination of symbols and numbers to represent a compound.
  9. A experiment where the products are all accounted for.
  10. a neutral particle in a nucleus of an atom.
  11. A substance used to speed up a chemical reaction.
  12. shiny malleable substance that conducts electricity
  13. The smallest part of a element.

25 Clues: The mass of one atom. • The smallest part of a element. • a combination of pure substances • The number of protons in a nucleus. • A change of state from gas to solid. • the amount of mass within a given area. • A chemical reaction that gives off heat. • a negatively charged particle in an atom. • A solution in which the solvent is water. • ...

chemical and reaction equations 2024-05-12

chemical and reaction equations crossword puzzle
Across
  1. The color of ManganeseDioxide is…
  2. the reaction in which oxidation and reduction occur simultaneously is called…
  3. the reaction in which heat is released is called…
  4. A decomposition reaction which requires heat is called?
  5. the color of hydrated ferrous sulphate is?
  6. What is the highly reactive metal in the reactive series?
  7. The chemical substance which are formed due to chemical reaction is called…
  8. what makes food undesirable?
Down
  1. A chemical equation where the number of atoms of each element is equal on both sides is…
  2. what Produces dazzling white flame when burnt?
  3. Decomposition which requires electricity is called…
  4. What is the least reactive metal in the reactivity series?
  5. What is the test called to check for the presence of hydrogen gas?
  6. The color of lead oxide is…
  7. which compound reacts with Co2 to form calcium carbonate?
  8. the color of lead nitrate is…
  9. substances which acts against oxidation is called…

17 Clues: The color of lead oxide is… • what makes food undesirable? • the color of lead nitrate is… • The color of ManganeseDioxide is… • the color of hydrated ferrous sulphate is? • what Produces dazzling white flame when burnt? • the reaction in which heat is released is called… • substances which acts against oxidation is called… • ...

Science Bonus 4 2023-05-05

Science Bonus 4 crossword puzzle
Across
  1. energy released is less than the energy required
  2. one element replaces another in a compound
  3. when complex compounds break down into simpler substances
  4. material that increases rate of a reaction by lowering activation energy
  5. material used to slow down the rate of reactions
  6. energy released is greater than the energy required
  7. matter cannot enter or escape to the surroundings
Down
  1. substances that undergo the chemical change
  2. solid that forms from two liquids during a chemical reaction
  3. new substances that form
  4. amount of a substance in a given volume
  5. help control chemical reactions in the body at body temperature
  6. minimum amount of energy needed to start a chemical reaction
  7. when two or more elements combine to make a more complex compound
  8. matter can enter or escape to the surroundings

15 Clues: new substances that form • amount of a substance in a given volume • one element replaces another in a compound • substances that undergo the chemical change • matter can enter or escape to the surroundings • energy released is less than the energy required • material used to slow down the rate of reactions • matter cannot enter or escape to the surroundings • ...

Chemistry Crossword Puzzle 2014-05-14

Chemistry Crossword Puzzle crossword puzzle
Across
  1. number The sum of the number of protons and neutrons in an atom's nucleus.
  2. number The number of protons in the nucleus of an atom.
  3. Ratio A conversion factor derived from the coefficients of a balanced chemical equation interpreted in terms of moles
  4. Number Number of representative particles in a mole, 6.02 X 10^23
  5. Yield The amount of product that actually forms when the reaction is carried out in the laboratory
  6. shows the number of atoms of an element in one molecule of a substance
  7. atom with the same number of protons but different number of neutrons
  8. Formula A formula with the lowest whole-number ratio of elements in a compound
  9. Composition The percent by mass of each element in a compound
  10. Reagent Any reactant that is used up first in a chemical reaction; it determines the amount of product that can be formed in the reaction
Down
  1. changes changes that alter the form or appearance of a material but not a new substance
  2. the materials you have at the beginning of a reaction
  3. Mass The mass of one mole of a substance
  4. The portion of chemistry involving the calculation of quantities of substances involved in chemical reactions (and numerical relationships in chemical reactions)
  5. general term for a specific isotope of an element
  6. the materials you have at the end of a reaction
  7. changes a change to matter that produces a new substance with new properties
  8. of conservation of mass matter cannot be created or destroyed in a chemical reaction

18 Clues: Mass The mass of one mole of a substance • the materials you have at the end of a reaction • general term for a specific isotope of an element • the materials you have at the beginning of a reaction • number The number of protons in the nucleus of an atom. • Composition The percent by mass of each element in a compound • ...

Crossword 2015-08-17

Crossword crossword puzzle
Across
  1. pH is equal to 7
  2. an organic compound
  3. triphosphate, considered as the energy currency of life
  4. of conservation mass, states that matter can neither be created or destroyed
  5. measures the acidity or the alkalinity
  6. reaction, when an acid and a base are neutralised
  7. reaction, supplied with heat
  8. has the chemical formula of NaCl
  9. equation, accurately represents the ratio of molecules of reactants and products
  10. pH is less than 7
  11. pH is more than 7
  12. gives the state or level of an acid or base
  13. reaction, where the atoms lose electrons
  14. a fuel produced from a living matter
  15. reaction, when two chemicals react
Down
  1. paper, determines the pH of a base or an acid
  2. used in anything with a motor
  3. indicator, shows how strong acidic or alkaline a solution is
  4. makes people drunk
  5. equation, can also be known as a chemical equation
  6. uses light to convert carbon dioxide into glucose
  7. fuel, takes a long time to make this fuel
  8. a base that dissolves in water
  9. reaction, causes heat
  10. equation, shows the chemical formulas of the reactants and products
  11. reaction, when the product burns
  12. respiration, a form of cell respiration which lacks energy
  13. respiration, requires oxygen to be able to generate energy

28 Clues: pH is equal to 7 • pH is less than 7 • pH is more than 7 • makes people drunk • an organic compound • reaction, causes heat • reaction, supplied with heat • used in anything with a motor • a base that dissolves in water • reaction, when the product burns • has the chemical formula of NaCl • reaction, when two chemicals react • a fuel produced from a living matter • ...

Unit B crossword 2018-11-14

Unit B crossword crossword puzzle
Across
  1. compound when non metals combine to form a pure substance
  2. are characteristics that can define or describe a substance
  3. gases The most stable and nonreactive elements
  4. group 17 elements that are the most reactive nonmetals
  5. new materials produced when mixing to reactants
  6. changing from a gas to a liquid
  7. can be solid or gas, and doesn't conduct electricity
  8. have both metallic and nonmetallic properties
  9. gas changing directly into a solid
  10. reaction when two or more substance combine to form a new substance
  11. compound are substances formed as a result of the attraction between particles of opposite charges, called ions.
Down
  1. the smallest component of an element having the chemical properties of the element
  2. changing a solid to a gas directly
  3. a horizontal row in the periodic table
  4. number the sum of a number of neutrons and protons in an atom.
  5. reaction a chemical reaction that produces heat
  6. neutral particles
  7. changing from liquid to gas
  8. reaction a chemical reaction that absorbs heat and feels cold
  9. the charge of an atom or molecule
  10. a subatomic particle with a charge of negative electricity
  11. are shiny malleable and ductile
  12. symbol abbreviation for the element name
  13. Workplace hazardous materials information system

24 Clues: neutral particles • changing from liquid to gas • changing from a gas to a liquid • are shiny malleable and ductile • the charge of an atom or molecule • changing a solid to a gas directly • gas changing directly into a solid • a horizontal row in the periodic table • symbol abbreviation for the element name • have both metallic and nonmetallic properties • ...

Chemistry Crossword 2018-02-12

Chemistry Crossword crossword puzzle
Across
  1. the basic unit of a chemical element.
  2. a substance formed when two or more chemical elements are chemically bonded together.
  3. the amount or sample of a chemical substance that contains as many constitutive particles.
  4. the property of having poles or being polar.
  5. a chemical property that describes the tendency of an atom to attract a shared pair of electrons towards itself.
  6. mass/volume
  7. a combination of two or more pure substances in which each pure substance retains its individual chemical properties.
  8. a substance that cannot be broken down into simpler substances by chemical means.
  9. involves a reaction between any combustible material and an oxidizer to form an oxidized product.
  10. a substance that takes part in and undergoes change during a reaction.
Down
  1. a chemical compound composed of ions held together by electrostatic forces termed ionic bonding.
  2. a type of reaction in which multiple reactants combine to form a single product.
  3. a formula giving the proportions of the elements present in a compound but not the actual numbers or arrangement of atoms.
  4. the table of elements is called the ____ ____.
  5. a type of chemical reaction where an element reacts with a compound and takes the place of another element in that compound.
  6. _____ is made out of atoms.
  7. a formula giving the number of atoms of each of the elements present in one molecule of a specific compound.
  8. a type of reaction in which multiple reactants combine to form a single product.
  9. the science that deals with the composition and properties of substances and various elementary forms of matter.
  10. a molecular bond, is a chemical bond that involves the sharing of electron pairs between atoms.

20 Clues: mass/volume • _____ is made out of atoms. • the basic unit of a chemical element. • the property of having poles or being polar. • the table of elements is called the ____ ____. • a substance that takes part in and undergoes change during a reaction. • a type of reaction in which multiple reactants combine to form a single product. • ...

Chemistry Rocks 2014-05-15

Chemistry Rocks crossword puzzle
Across
  1. Unchanging ratio
  2. 6.023x10^23
  3. Reactants that are not used up
  4. Formula showing the simplest ratio of elements in a compound
  5. product obtained from chemical reaction
  6. Expresses mass ratio between different elements in a compound
  7. Structure of an element
Down
  1. Substance completely consumed after chemical reaction
  2. Matter is neither created nor destroyed during chemical reaction
  3. calculation of quantities of chemical elements or compounds in chemical reactions
  4. Amount of product formed if reaction completed
  5. Two or more atoms joined together chemically

12 Clues: 6.023x10^23 • Unchanging ratio • Structure of an element • Reactants that are not used up • product obtained from chemical reaction • Two or more atoms joined together chemically • Amount of product formed if reaction completed • Substance completely consumed after chemical reaction • Formula showing the simplest ratio of elements in a compound • ...

Chemical Reactions 2022-05-09

Chemical Reactions crossword puzzle
Across
  1. Two or more elements that are bonded together.
  2. The product when oxygen and water reacts with iron.
  3. The name of the chemical reaction when an element replaces another.
  4. The reaction where rust is formed.
  5. The substances that react in a chemical reaction.
Down
  1. A reaction that happens between an acid and a basic element.
  2. A chemical reaction that uses energy.
  3. A chemical reaction that releases energy.
  4. The results of a chemical reaction.
  5. A chemical compound containing oxygen.

10 Clues: The reaction where rust is formed. • The results of a chemical reaction. • A chemical reaction that uses energy. • A chemical compound containing oxygen. • A chemical reaction that releases energy. • Two or more elements that are bonded together. • The substances that react in a chemical reaction. • The product when oxygen and water reacts with iron. • ...

Chemistry 2025-03-13

Chemistry crossword puzzle
Across
  1. a chemical reaction in which heat turns into chemical potential, making the surroundings colder
  2. the densely packed center or core of an atom
  3. a substance that speeds up a chemical reaction without being changed itself
  4. type of bond between atoms that are sharing electrons
  5. a substance that slows down a chemical reaction
  6. a substance made of only one type of atom
  7. two or more elements chemically combined
Down
  1. a chemical reaction in which chemical potential turns into heat, making the surroundings warmer
  2. a substance at the start of a reaction (on the left side of the arrow in a chemical equation)
  3. the negatively charged subatomic particle
  4. the positively charged subatomic particle
  5. type of electron that is found on the outer edge or outermost energy level of an atom
  6. type of bond between atoms when one atom steals an electron from another

13 Clues: two or more elements chemically combined • the negatively charged subatomic particle • the positively charged subatomic particle • a substance made of only one type of atom • the densely packed center or core of an atom • a substance that slows down a chemical reaction • type of bond between atoms that are sharing electrons • ...

Chemical Reactions 2025-10-13

Chemical Reactions crossword puzzle
Across
  1. A measure of the acidity or basicity of a solution, ranging from 0 to 14.
  2. A chemical reaction between an acid and a base that produces a salt and water.
  3. A substance that releases hydrogen ions (H+) in water and has a pH less than 7.
  4. A solid element that is a good conductor of heat and electricity and can be shaped or molded.
  5. A chemical reaction that absorbs energy in the form of heat.
  6. A chemical reaction that releases energy in the form of heat.
  7. The new substance(s) formed due to a chemical reaction.
  8. A small number written below and to the right of an element in a chemical formula to indicate the number of atoms of that element.
  9. The amount of a substance dissolved in a given volume of solution.
  10. A positively or negatively charged atom or molecule.
Down
  1. A chemical equation where the number of atoms of each element is the same on both sides of the equation.
  2. The starting substance (s) that undergo a chemical reaction.
  3. A process that involves rearranging atoms to form new substances with different properties.
  4. A substance that releases hydroxide ions (OH-) in water and has a pH greater than 7.
  5. The process where a metal loses electrons and forms a positive ion.
  6. A number placed in front of a chemical formula to indicate the number of that substance.

16 Clues: A positively or negatively charged atom or molecule. • The new substance(s) formed due to a chemical reaction. • The starting substance (s) that undergo a chemical reaction. • A chemical reaction that absorbs energy in the form of heat. • A chemical reaction that releases energy in the form of heat. • ...

CHEMICAL REACTIONS 2024-04-21

CHEMICAL REACTIONS crossword puzzle
Across
  1. A chemical ___ is an expression that uses symbols to show the relationship between the starting substances and the substances that are produced by a chemical reaction.
  2. The substances formed in a chemical reaction.
  3. A substance that changes the rate of a chemical reaction without being used up or changed very much.
  4. A chemical reaction that gives off energy.
  5. A number placed in front of a chemical formula.
Down
  1. A chemical ___ uses chemical symbols and numbers to represent a given substance
  2. A chemical reaction that requires energy to be taken in.
  3. A chemical ___ is the process in which atoms are rearranged to produce new substances.
  4. The numbers written below and to the right of chemical symbols are called this.
  5. The substances that participate in a chemical reaction.

10 Clues: A chemical reaction that gives off energy. • The substances formed in a chemical reaction. • A number placed in front of a chemical formula. • The substances that participate in a chemical reaction. • A chemical reaction that requires energy to be taken in. • A chemical ___ uses chemical symbols and numbers to represent a given substance • ...

Science Crossword By Cam and Scott 2013-12-06

Science Crossword By Cam and Scott crossword puzzle
Across
  1. a scale that measures the acidity or alkalinity of a substance (2 words)
  2. an area or conditions in which an organism lives.
  3. an organic nutrients containing carbon, hydrogen, and oxygen
  4. a chemical that produces an acidic substance having a pH level of less than seven
  5. a device that encourages complete oxidization during combustion (2 words)
  6. the process of adding calcium carbonate to the environment
  7. a chemical reaction in which oxygen combines with other elements to form a new substance
  8. a special protein molecule that regulates chemical reactions in living organisms
Down
  1. a chemical used to control mold, or fungi
  2. a processed whereby chemicals accumulate in the tissues of organisms in the food chain
  3. paper saturated with a chemical to show if a substance is acidic or basic (2 words)
  4. a chemical used to control weeds
  5. a mineral that the body requires in an amount of 100mg a day to stay healthy
  6. rain or snow containing acid compounds from the air (2 words)
  7. a mixture of plant compounds used as a chemical indicator
  8. a substance that speeds up a chemical reaction without being used up in the reaction
  9. a chemical used to control pests
  10. a chemical used to control insects
  11. the study of the properties of matter
  12. the combining of an acid and a base to produce salt and water
  13. a chemical that produces a basic substance having a pH level of more than seven

21 Clues: a chemical used to control weeds • a chemical used to control pests • a chemical used to control insects • the study of the properties of matter • a chemical used to control mold, or fungi • an area or conditions in which an organism lives. • a mixture of plant compounds used as a chemical indicator • the process of adding calcium carbonate to the environment • ...

Biochemistry 2022-09-27

Biochemistry crossword puzzle
Across
  1. two or more molecules joined together
  2. reactant molecules that attach to active sites of enzymes
  3. when something has carbon in it it is said to be ____
  4. a chemical reaction that absorbs energy
  5. compounds that form the basic structural units of nucleic acids
  6. a carbohydrate made up of 3 or more units per molecule
  7. two monosaccharides bonded together to form a carbohydrate
  8. long chain of amino acids
Down
  1. the simplest form of carbohydrates
  2. a chemical reaction that releases energy
  3. the ability to do work
  4. substances that start chemical reactions
  5. a protein that speeds up the rate of chemical reactions
  6. building blocks of proteins
  7. unique blueprint of proteins that make up your traits
  8. oil is an example of this organic compound
  9. a single molecule that can join other molecules to form a polymer
  10. substances that form as a result of a chemical reaction

18 Clues: the ability to do work • long chain of amino acids • building blocks of proteins • the simplest form of carbohydrates • two or more molecules joined together • a chemical reaction that absorbs energy • a chemical reaction that releases energy • substances that start chemical reactions • oil is an example of this organic compound • ...

Chemical Reactions (2025) 2025-11-11

Chemical Reactions (2025) crossword puzzle
Across
  1. What carousel class are you going to next?
  2. Whats my name?(HCl)
  3. self-discipline and _________ are the virtues for the school year
  4. Sodium hydroxide is a?
  5. One of the products of a combustion reaction
  6. the common product between combustion and neutralization reactions
  7. are used to represent chemical reactions
  8. product of a neutralization reaction
Down
  1. I'm a strong base, what is my name? KOH
  2. consisting of many atoms.
  3. a type of chemical reaction where a hydrocarbon compound and oxygen react to produce carbon dioxide, water and heat.
  4. Your Chemistry Teacher's last name
  5. Be ______. The last word in the ALHCS VIBES
  6. a compound that has in both hydrogen and carbon
  7. These numbers are placed in front of the chemical formula to balance chemical equations
  8. I separate reactants from products in a chemical equation
  9. consisting of two atoms.
  10. a situation in which different elements are equal or in the correct proportions.

18 Clues: Whats my name?(HCl) • Sodium hydroxide is a? • consisting of two atoms. • consisting of many atoms. • Your Chemistry Teacher's last name • product of a neutralization reaction • I'm a strong base, what is my name? KOH • are used to represent chemical reactions • What carousel class are you going to next? • Be ______. The last word in the ALHCS VIBES • ...

REYES (M5 Pre Task: Microbial Metabolism) 2022-10-21

REYES (M5 Pre Task: Microbial Metabolism) crossword puzzle
Across
  1. bind to the active site of enzymes
  2. energy currency of the cell
  3. energy source is from chemical compounds
  4. a reaction that needs energy
  5. an enzyme that lacks either a cofactor or coenzyme
  6. chemical reaction of breaking down of complex molecules
  7. INHIBITORS inhibits substrate binding and regulates enzymes
  8. biological catalysts
Down
  1. FIT transition-state formation
  2. inorganic chemicals as energy source
  3. organisms that use fixed organic carbon compounds
  4. organic molecules essential for proper enzyme function
  5. enzyme attached to a cofactor or coenzyme
  6. chemical reaction of building complex molecules
  7. a reaction that does not need energy

15 Clues: biological catalysts • energy currency of the cell • a reaction that needs energy • FIT transition-state formation • bind to the active site of enzymes • inorganic chemicals as energy source • a reaction that does not need energy • energy source is from chemical compounds • enzyme attached to a cofactor or coenzyme • chemical reaction of building complex molecules • ...

REYES (M5 Pre Task: Microbial Metabolism) 2022-10-21

REYES (M5 Pre Task: Microbial Metabolism) crossword puzzle
Across
  1. a reaction that does not need energy
  2. organisms that use fixed organic carbon compounds
  3. energy currency of the cell
  4. chemical reaction of building complex molecules
  5. a type of inhibitor that prevents substrate binding and regulates enzymes
  6. a reaction that needs energy
Down
  1. organic molecules essential for proper enzyme function
  2. transition-state formation
  3. energy source is from chemical compounds
  4. enzyme attached to a cofactor or coenzyme
  5. bind to the active site of enzymes
  6. inorganic chemicals as energy source
  7. chemical reaction of breaking down of complex molecules
  8. biological catalysts
  9. an enzyme that lacks either a cofactor or coenzyme

15 Clues: biological catalysts • transition-state formation • energy currency of the cell • a reaction that needs energy • bind to the active site of enzymes • a reaction that does not need energy • inorganic chemicals as energy source • energy source is from chemical compounds • enzyme attached to a cofactor or coenzyme • chemical reaction of building complex molecules • ...

REYES (M5 Pre Task: Microbial Metabolism) 2022-10-21

REYES (M5 Pre Task: Microbial Metabolism) crossword puzzle
Across
  1. a reaction that does not need energy
  2. organisms that use fixed organic carbon compounds
  3. energy currency of the cell
  4. chemical reaction of building complex molecules
  5. a type of inhibitor that prevents substrate binding and regulates enzymes
  6. a reaction that needs energy
Down
  1. organic molecules essential for proper enzyme function
  2. transition-state formation
  3. energy source is from chemical compounds
  4. enzyme attached to a cofactor or coenzyme
  5. bind to the active site of enzymes
  6. inorganic chemicals as energy source
  7. chemical reaction of breaking down of complex molecules
  8. biological catalysts
  9. an enzyme that lacks either a cofactor or coenzyme

15 Clues: biological catalysts • transition-state formation • energy currency of the cell • a reaction that needs energy • bind to the active site of enzymes • a reaction that does not need energy • inorganic chemicals as energy source • energy source is from chemical compounds • enzyme attached to a cofactor or coenzyme • chemical reaction of building complex molecules • ...

Types of reactions - daneesh 2025-04-27

Types of reactions - daneesh crossword puzzle
Across
  1. Ions are exchanged
  2. Heat is taken in during the reaction
  3. Chemical formula
  4. Oxidation and Reduction happen togather
  5. A compound splits into smaller substances
  6. Speed up reaction
  7. Making equal
  8. Reactants combine to form a product
Down
  1. Energy is released as heat during reaction
  2. Gains oxygen
  3. Substance dissolved in water to form solution
  4. A more reactive element pushes out the other
  5. Solid that separates from liquid mixture
  6. Loses oxygen
  7. Chemical reaction causing metal to deteriorate
  8. Spoiling of food due to fat oxidation

16 Clues: Gains oxygen • Loses oxygen • Making equal • Chemical formula • Speed up reaction • Ions are exchanged • Reactants combine to form a product • Heat is taken in during the reaction • Spoiling of food due to fat oxidation • Oxidation and Reduction happen togather • Solid that separates from liquid mixture • A compound splits into smaller substances • ...

Chemistry crossword 2015-11-17

Chemistry crossword crossword puzzle
Across
  1. Pure substance formed when at least one metal and non-metal combine
  2. Smallest part of an element that is representative of that element
  3. Substance that greatly resists the flow of electricity
  4. Substance that helps a chemical reaction to proceed quicker
  5. Describes how a substance reacts with other other substances
  6. Combination of symbols that represent a compound, it identifies the elements in a compound and the amount of each element
  7. group of 17 elements in the periodic table. Most reactive non-metals
  8. Describes the physical appearance and composition of a substance
  9. A chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
  10. Anything that has mass and takes up space
  11. A material that is made up of one substance
  12. Catalyst involved in a chemical reactions in living thing
  13. An experiment in which one or more products of a chemical reaction can escape
  14. Shiny, malleable, ductile, element that conducts electricity
  15. Horizontal row of elements in the periodic table
Down
  1. A change that occurs when 2 or more substances react to create a new substance
  2. Pure substance formed when two non-metals combine
  3. The mass of one atom in an element, made up of protons, neutrons and electrons
  4. A material that electric charge can move through easily
  5. Chemical combination of two or more elements in a specific ratio
  6. New substance produced in a chemical reaction between reactants
  7. The number of protons in a nucleus of one atom in an element
  8. Characteristics that can be used to describe a substance
  9. Solid to gas

24 Clues: Solid to gas • Anything that has mass and takes up space • A material that is made up of one substance • Horizontal row of elements in the periodic table • Pure substance formed when two non-metals combine • Substance that greatly resists the flow of electricity • A material that electric charge can move through easily • ...

Chemistry crossword 2015-11-17

Chemistry crossword crossword puzzle
Across
  1. Substance that helps a chemical reaction to proceed quicker
  2. Combination of symbols that represent a compound, it identifies the elements in a compound and the amount of each element
  3. Solid to gas
  4. A chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
  5. Pure substance formed when two non-metals combine
  6. Substance that greatly resists the flow of electricity
  7. Catalyst involved in a chemical reactions in living thing
  8. An experiment in which one or more products of a chemical reaction can escape
  9. Smallest part of an element that is representative of that element
  10. group of 17 elements in the periodic table. Most reactive non-metals
Down
  1. A material that is made up of one substance
  2. A change that occurs when 2 or more substances react to create a new substance
  3. Characteristics that can be used to describe a substance
  4. Horizontal row of elements in the periodic table
  5. Describes the physical appearance and composition of a substance
  6. Describes how a substance reacts with other other substances
  7. Pure substance formed when at least one metal and non-metal combine
  8. Chemical combination of two or more elements in a specific ratio
  9. A material that electric charge can move through easily
  10. New substance produced in a chemical reaction between reactants
  11. Shiny, malleable, ductile, element that conducts electricity
  12. The number of protons in a nucleus of one atom in an element
  13. Anything that has mass and takes up space
  14. The mass of one atom in an element, made up of protons, neutrons and electrons

24 Clues: Solid to gas • Anything that has mass and takes up space • A material that is made up of one substance • Horizontal row of elements in the periodic table • Pure substance formed when two non-metals combine • Substance that greatly resists the flow of electricity • A material that electric charge can move through easily • ...

What Glows? 2025-09-22

What Glows? crossword puzzle
Across
  1. One celled marine organisms
  2. Substance that reacts with a substrate
  3. Causes a chemical reaction
  4. Microscopic Aquatic organisms
  5. Substance with two chemical elements
  6. Associated with another organism
  7. Emission of light because of another light source
  8. Interacts with chemicals to create bioluminescence
  9. Emission of light because of reaction
  10. Produces heatless light
  11. Protein that accelerates vital processes
Down
  1. Energy emitted as waved or particles
  2. Light emitted by chemical reaction
  3. Light from Fungi on decaying wood
  4. Light used to hide from predators
  5. To create or manufacture

16 Clues: Produces heatless light • To create or manufacture • Causes a chemical reaction • One celled marine organisms • Microscopic Aquatic organisms • Associated with another organism • Light from Fungi on decaying wood • Light used to hide from predators • Light emitted by chemical reaction • Energy emitted as waved or particles • Substance with two chemical elements • ...

Stoichiometry 2025-01-09

Stoichiometry crossword puzzle
Across
  1. mass This term defines the mass of 1 mole of any substance.
  2. Substances that are consumed in a chemical reaction.
  3. The reactant that is completely consumed first in a reaction, limiting the amount of product.
  4. The number in front of a compound in a chemical equation, indicating the number of moles.
  5. The reactant that remains after a reaction is complete.
  6. A chemical equation with the same number of each type of atom on both sides.
  7. The amount of product formed in a reaction.
Down
  1. The relationship of quantities in a balanced chemical equation.
  2. The study of the quantitative relationships in chemical reactions.
  3. A way to express the concentration of a solution, in moles per liter
  4. A general term for the tiny things that make up matter.
  5. Substances formed as a result of a chemical reaction.
  6. The amount of matter in a substance, often measured in grams.
  7. The unit used to measure the amount of a substance, equal to 602 sextellion
  8. The scientist who defined the number of particles in a mole.

15 Clues: The amount of product formed in a reaction. • Substances that are consumed in a chemical reaction. • Substances formed as a result of a chemical reaction. • A general term for the tiny things that make up matter. • The reactant that remains after a reaction is complete. • mass This term defines the mass of 1 mole of any substance. • ...

Year 8 Chemistry Review 2023-09-20

Year 8 Chemistry Review crossword puzzle
Across
  1. Particles need to do this to react
  2. These are broken during a chemical reaction
  3. We can increase this by making particles smaller
  4. When a gas becomes a solid
  5. A change in shape,form or appearance
  6. When a liquid becomes a gas
  7. The amount of a particular substance in a given volume
  8. Substance made up of 2 or more different types of atoms
  9. A substance that will increase the rate of chemical reaction without affecting the products
  10. Energy of motion
  11. The substances that we start with in a chemical reaction
  12. The substances that we make in a chemical reaction
  13. A pure substance made of one type of atom
Down
  1. An example of a biological catalyst
  2. The substance being dissolved
  3. The liquid that the solute is being dissolved in
  4. When a solid becomes a liquid
  5. Increasing this will increase the rate of reaction
  6. A substance where the particles are far apart and move quickly on their own
  7. A substance with particles that are close together but can move and slide over each other
  8. A change that produces a new substance
  9. Anything that has mass and volume
  10. A substance with particles that are close together in a fixed position

23 Clues: Energy of motion • When a gas becomes a solid • When a liquid becomes a gas • The substance being dissolved • When a solid becomes a liquid • Anything that has mass and volume • Particles need to do this to react • An example of a biological catalyst • A change in shape,form or appearance • A change that produces a new substance • A pure substance made of one type of atom • ...

Chemistry 2022-01-25

Chemistry crossword puzzle
Across
  1. Make both sides equal using the law of conservation of mass
  2. The mass of 1 mole of a substance
  3. Uses a magnetic field to measure using deflection
  4. When two substances combine to make a new compound
  5. A conversion that relates the number of moles in two substances
  6. The ratio of actual Yield in the theoretical yield in percent
  7. Shows the number and kinds of atoms in a molecule
  8. Shows the ratio of elements in a compound
  9. Si unit of measurement
  10. Change with an exchange of positive ions in two compounds
  11. Contains relative amounts of reactants to match the balanced equation
Down
  1. A reaction where atoms of one element replace those atoms of another element.
  2. Number of particles in a mole 6.022 x 10²³
  3. Uses symbols to represent a chemical reaction to show relationships
  4. The number of grams of solute in each 100g of solution
  5. A starting material in a chemical reaction
  6. Measurement of quantities in chemical reactions
  7. Max amount of product that can be produced by a certain amount of reactant
  8. A reaction that breaks down into simpler substances
  9. The elements of compounds produced in a chemical reaction
  10. Weighted average of atomic masses of natural isotopes

21 Clues: Si unit of measurement • The mass of 1 mole of a substance • Shows the ratio of elements in a compound • Number of particles in a mole 6.022 x 10²³ • A starting material in a chemical reaction • Measurement of quantities in chemical reactions • Uses a magnetic field to measure using deflection • Shows the number and kinds of atoms in a molecule • ...

Physical & Chemical Changes 2020-07-21

Physical & Chemical Changes crossword puzzle
Across
  1. what is formed when gases are released in a solution during a chemical reaction
  2. what is formed when a solid appears in a liquid solution during a chemical reaction
  3. this forms on metal due to a reaction with oxygen in the air
  4. a chemical reaction that releases heat, making a substance hotter
  5. a change that alters the chemical composition of a substance
Down
  1. a change that alters the appearance of substance but not its chemical composition
  2. another word for burning
  3. a chemical reaction that absorbs heat, making a substance colder
  4. this can change in both physical and chemical change; it is a measure of how hot or cold a substance is
  5. this can change in both physical and chemical changes; this refers to how a substance reflects different wavelengths of light
  6. how the surface of a substance feels
  7. this refers to how a chemical reacts to oxygen

12 Clues: another word for burning • how the surface of a substance feels • this refers to how a chemical reacts to oxygen • this forms on metal due to a reaction with oxygen in the air • a change that alters the chemical composition of a substance • a chemical reaction that absorbs heat, making a substance colder • ...

Unit B crossword 2018-11-14

Unit B crossword crossword puzzle
Across
  1. a horizontal row in the periodic table
  2. changing a solid to a gas directly
  3. compound when non metals combine to form a pure substance
  4. changing from liquid to gas
  5. reaction a chemical reaction that absorbs heat and feels cold
  6. compound are substances formed as a result of the attraction between particles of opposite charges, called ions.
  7. gases The most stable and nonreactive elements
  8. symbol abbreviation for the element name
  9. can be solid or gas, and doesn't conduct electricity
  10. number the sum of a number of neutrons and protons in an atom.
  11. are shiny malleable and ductile
Down
  1. the smallest component of an element having the chemical properties of the element
  2. neutral particles
  3. changing from a gas to a liquid
  4. gas changing directly into a solid
  5. reaction when two or more substance combine to form a new substance
  6. reaction a chemical reaction that produces heat
  7. group 17 elements that are the most reactive nonmetals
  8. a subatomic particle with a charge of negative electricity
  9. new materials produced when mixing to reactants
  10. are characteristics that can define or describe a substance
  11. the charge of an atom or molecule
  12. Workplace hazardous materials information system
  13. have both metallic and nonmetallic properties

24 Clues: neutral particles • changing from liquid to gas • changing from a gas to a liquid • are shiny malleable and ductile • the charge of an atom or molecule • gas changing directly into a solid • changing a solid to a gas directly • a horizontal row in the periodic table • symbol abbreviation for the element name • have both metallic and nonmetallic properties • ...

Chemical Kinetics 2024-02-02

Chemical Kinetics crossword puzzle
Across
  1. The particular arrangement of reactant and product molecules at the point of maximum energy in the rate-determining step of a reaction
  2. An equation that relates the rate constant for a reaction to the frequency factor, A, the activation energy, , and the temperature, T; : k = Ae^(-E/RT)
  3. The slowest elementary step in a reaction mechanism
  4. A detailed picture, or model, of how the reaction occurs; that is, the order in which bonds are broken and formed and the changes in relative positions of the atoms as the reaction proceeds
  5. A protein molecule that acts to catalyze specific biochemical reactions
  6. A substance that undergoes a reaction at the active site in an enzyme
  7. The area of chemistry concerned with the speeds, or rates, at which chemical reactions occur
  8. A reaction in which the reaction rate is proportional to the concentration of a single reactant, raised to the first power
  9. A substance that changes the speed of a chemical reaction without itself undergoing a permanent chemical change in the process
Down
  1. An elementary reaction that involves a single molecule
  2. A constant of proportionality between the reaction rate and the concentrations of reactants that appear in the rate law
  3. A measure of the decrease in concentration of a reactant or the increase in concentration of a product with time
  4. An equation that relates the reaction rate to the concentrations of reactants
  5. A substance formed in one elementary step of a multistep mechanism and consumed in another
  6. The number of molecules that participate as reactants in an elementary reaction
  7. A term in the Arrhenius equation that is related to the frequency of collision and the probability that the collisions are favorably oriented for reaction
  8. A reaction in which the overall reaction order in the rate law is 2
  9. A model of reaction rates based on the idea that molecules must collide to react
  10. The minimum energy needed for reaction; the height of the energy barrier to formation of products
  11. The time required for the concentration of a reactant substance to decrease to half its initial value

20 Clues: The slowest elementary step in a reaction mechanism • An elementary reaction that involves a single molecule • A reaction in which the overall reaction order in the rate law is 2 • A substance that undergoes a reaction at the active site in an enzyme • A protein molecule that acts to catalyze specific biochemical reactions • ...

Chemical reactions 2024-03-07

Chemical reactions crossword puzzle
Across
  1. a reaction that gives off heat
  2. writing the reactants and products of a reaction
  3. chemicals that combine in a chemical reaction
  4. a chemical change through combination with oxygen
  5. a chemical change is...
Down
  1. a chemical change through burning
  2. compound produced in a chemical reaction
  3. a physical change is...
  4. a reaction that takes in heat from surroundings
  5. speeds up or slows down a chemical reaction but does not take part

10 Clues: a physical change is... • a chemical change is... • a reaction that gives off heat • a chemical change through burning • compound produced in a chemical reaction • chemicals that combine in a chemical reaction • a reaction that takes in heat from surroundings • writing the reactants and products of a reaction • a chemical change through combination with oxygen • ...

Unit 4 Vocabulary 2023-01-03

Unit 4 Vocabulary crossword puzzle
Across
  1. Type of bond formed between nonmetals, where electrons are shared
  2. Bitter-tasting compounds that in solution have a pH greater than 7, are capable of reacting with an acid to form a salt
  3. AB + C -> AC + B
  4. The substances which participate in a chemical reaction
  5. AB -> A+B
  6. Sour tasting compound containing hydrogen, with a pH less than 7
  7. The concept that the same amount of matter exists before and after a chemical reaction; matter is neither created nor destroyed
  8. Type of bond formed between metals and nonmetals, where there is a transfer of electrons
  9. AB + CD -> AC + BD
  10. A+B -> AB
Down
  1. A chemical reaction in which the reactants absorb heat energy from the surroundings to form products
  2. A measure of acidity and alkalinity of a solution that is a number on a scale
  3. The results of a chemical reaction
  4. A chemical reaction in which the reactants release heat energy
  5. An electron in the outer shell associated with an atom
  6. The tendency of atoms to prefer to have eight electrons in the valence shell
  7. The maximum amount of a substance that will dissolve in a given amount of solvent at a specified temperature

17 Clues: AB -> A+B • A+B -> AB • AB + C -> AC + B • AB + CD -> AC + BD • The results of a chemical reaction • An electron in the outer shell associated with an atom • The substances which participate in a chemical reaction • A chemical reaction in which the reactants release heat energy • Sour tasting compound containing hydrogen, with a pH less than 7 • ...

Science Crossword 2017-02-12

Science Crossword crossword puzzle
Across
  1. Has no electrical charge
  2. Things that go into a chemical reaction
  3. The core of an atom
  4. Hard shiny malleable ductile
  5. A gas like neon
  6. The atoms have to be the same before and after the reaction has taken place
  7. Capital and lower case letter on the perodic table
  8. Path that electrons follow
  9. A reaction that takes heat in from the enviroment
  10. Has a negative electrical charge
  11. In a liquid chemical reaction at the bottom their is sometimes a ...
  12. 6 rows on the perodic table
  13. 18 columns on the perodic table
  14. 2 or more seperate elements bonded togeather
Down
  1. On the perodic table
  2. Like carbon
  3. Positive electrical charge
  4. Helps form a chemical bond
  5. A group of atoms bonded togeather
  6. Put togeather the perodic table
  7. Understood the atomic structure
  8. Number of protons in an element
  9. Like silicon
  10. Total mass of an element
  11. A reaction that gives off heat
  12. Sodium and Chlorine make salt which is a ....
  13. Small part of an element

27 Clues: Like carbon • Like silicon • A gas like neon • The core of an atom • On the perodic table • Has no electrical charge • Total mass of an element • Small part of an element • Positive electrical charge • Helps form a chemical bond • Path that electrons follow • 6 rows on the perodic table • Hard shiny malleable ductile • A reaction that gives off heat • Put togeather the perodic table • ...

Chemical Kinetics 2025-08-29

Chemical Kinetics crossword puzzle
Across
  1. Effect of temperature on rate constant and rate of reaction
  2. Sum of the powers of concentrations in the rate law
  3. Reaction rate at the start of the reaction
  4. Proportionality constant in the rate law
  5. High-energy unstable arrangement of atoms during reaction
  6. Change in concentration of reactant or product per unit time
  7. Reaction rate measured over a finite time interval
  8. Reaction rate independent of concentration
  9. Higher order reaction behaving like first order due to excess reactant
  10. Time taken for half of the reactant to be consumed
  11. Number of molecules colliding in an elementary step
  12. Equation relating rate constant to temperature and activation energy
  13. Catalyst in the same phase as reactants
Down
  1. Theory that reaction occurs when particles collide with enough energy
  2. Reaction rate at a particular moment in time
  3. Slowest step controlling the overall rate
  4. Substance that increases rate by lowering activation energy
  5. Mathematical representation of rate vs concentration
  6. Minimum energy needed for a reaction to occur
  7. Collision with proper orientation and energy for reaction
  8. Equation giving concentration as function of time
  9. Catalyst in a different phase from reactants
  10. Study of the speed of chemical reactions and the factors affecting them
  11. Pre-exponential factor in Arrhenius equation
  12. Rate proportional to concentration of one reactant
  13. Rate proportional to square of one reactant or two reactants
  14. Sequence of elementary steps in a reaction
  15. Reaction involving multiple steps
  16. Reaction occurring in a single step
  17. Expression relating rate to concentration of reactants

30 Clues: Reaction involving multiple steps • Reaction occurring in a single step • Catalyst in the same phase as reactants • Proportionality constant in the rate law • Slowest step controlling the overall rate • Reaction rate at the start of the reaction • Reaction rate independent of concentration • Sequence of elementary steps in a reaction • ...

A good show of appreciation is a proper-ty 2023-01-06

A good show of appreciation is a proper-ty crossword puzzle
Across
  1. 4, 8, 15, 16, 23 and 42
  2. to change the order or position of something
  3. something that is made of all the same atoms or groups of atoms
  4. During a chemical reaction, atoms do not ______ from one type to another.
  5. different substances have different __________
  6. a thing or things belonging to someone; possessions collectively
  7. a building or buildings and the land belonging to it or them
  8. During a chemical reaction, atoms rearrange to form ______ groups of atoms.
  9. The Law of Conservation is not ______
Down
  1. ______ vary in the type or number of atoms that make up the group.
  2. ______ are similar to and different from what they represent in important ways.
  3. the relative size of things
  4. The atoms found in the products of a chemical reaction must have been present in the ______ as well.
  5. an ending substance that is made during a chemical reaction
  6. (2 words) letters and numbers showing the types and number of atoms that repeat to make up a substance
  7. a starting substance that is part of a chemical reaction
  8. something that can be observed about a substance, such as color, smell, or boiling point
  9. Substances have different properties because they are made of different groups of ______

18 Clues: 4, 8, 15, 16, 23 and 42 • the relative size of things • The Law of Conservation is not ______ • to change the order or position of something • different substances have different __________ • a starting substance that is part of a chemical reaction • an ending substance that is made during a chemical reaction • ...

Chemical Reactions 2022-04-29

Chemical Reactions crossword puzzle
Across
  1. a system that allows a reaction to escape
  2. a solid formed when two liquid solutions are mixed
  3. Another name for chemical reaction
  4. the process of substances changing into another substance
  5. a process that releases energy, hot
  6. saved
  7. the desired features of a design
  8. an early design of product
  9. a system that does not let a reaction escape
Down
  1. to retrieve waste material for it to be reused
  2. a substance before a reaction happens
  3. something that limits the solution of a problem
  4. the principle that mass is not created or destroyed during a chemical reaction
  5. a process that absorbs energy, cold
  6. the energy in the particles of a substance
  7. solid, liquid, or gas
  8. to mix into another substance
  9. the final substance at the end of a reaction

18 Clues: saved • solid, liquid, or gas • an early design of product • to mix into another substance • the desired features of a design • Another name for chemical reaction • a process that absorbs energy, cold • a process that releases energy, hot • a substance before a reaction happens • a system that allows a reaction to escape • the energy in the particles of a substance • ...

Chemical Reactions 2022-04-29

Chemical Reactions crossword puzzle
Across
  1. a system that allows a reaction to escape
  2. a solid formed when two liquid solutions are mixed
  3. Another name for chemical reaction
  4. the process of substances changing into another substance
  5. a process that releases energy, hot
  6. saved
  7. the desired features of a design
  8. an early design of product
  9. a system that does not let a reaction escape
Down
  1. to retrieve waste material for it to be reused
  2. a substance before a reaction happens
  3. something that limits the solution of a problem
  4. the principle that mass is not created or destroyed during a chemical reaction
  5. a process that absorbs energy, cold
  6. the energy in the particles of a substance
  7. solid, liquid, or gas
  8. to mix into another substance
  9. the final substance at the end of a reaction

18 Clues: saved • solid, liquid, or gas • an early design of product • to mix into another substance • the desired features of a design • Another name for chemical reaction • a process that absorbs energy, cold • a process that releases energy, hot • a substance before a reaction happens • a system that allows a reaction to escape • the energy in the particles of a substance • ...

Chemical Reactions 2022-04-29

Chemical Reactions crossword puzzle
Across
  1. a system that allows a reaction to escape
  2. a solid formed when two liquid solutions are mixed
  3. Another name for chemical reaction
  4. the process of substances changing into another substance
  5. a process that releases energy, hot
  6. saved
  7. the desired features of a design
  8. an early design of product
  9. a system that does not let a reaction escape
Down
  1. to retrieve waste material for it to be reused
  2. a substance before a reaction happens
  3. something that limits the solution of a problem
  4. the principle that mass is not created or destroyed during a chemical reaction
  5. a process that absorbs energy, cold
  6. the energy in the particles of a substance
  7. solid, liquid, or gas
  8. to mix into another substance
  9. the final substance at the end of a reaction

18 Clues: saved • solid, liquid, or gas • an early design of product • to mix into another substance • the desired features of a design • Another name for chemical reaction • a process that absorbs energy, cold • a process that releases energy, hot • a substance before a reaction happens • a system that allows a reaction to escape • the energy in the particles of a substance • ...