chemical reaction Crossword Puzzles

Unit 5 Crossword 2023-04-28

Unit 5 Crossword crossword puzzle
Across
  1. A chemical reaction where two elements in separate compounds "switch partners".
  2. Elements that cannot be by themselves, they must be paired with another element or another one of itself.
  3. A chemical equation where hydrocarbon reacts with oxygen to create water and carbon dioxide.
  4. A chemical reaction where two, or more small compounds or elements combine together to create a more complex compound.
  5. An ion that is made up of multiple elements.
  6. A large number placed in front of a compound or element in a chemical equation. It's used to dictate the number of a compound or element in a chemical equation.
  7. A chemical reaction where a complex compound is broken up into two or more simpler compounds or elements.
Down
  1. A compound formed by two non-metals
  2. A small number found on the lower right side of an element. It's used to dictate the number of an element in a formula.
  3. An ion that has a negative charge caused by the gaining of electrons
  4. A compound formed by a metal and a non-metal
  5. A molecule that is made up of multiple types of atoms
  6. A subatomic particle with a negative charge found in the shells of atoms.
  7. A chemical reaction where an element switches places with another element that is apart of a compound.
  8. An ion that has a positive charge, caused by the loss of electrons

15 Clues: A compound formed by two non-metals • A compound formed by a metal and a non-metal • An ion that is made up of multiple elements. • A molecule that is made up of multiple types of atoms • An ion that has a positive charge, caused by the loss of electrons • An ion that has a negative charge caused by the gaining of electrons • ...

Energetics 2020-06-29

Energetics crossword puzzle
Across
  1. lattice enthalpy for an ion depends on its size and?
  2. a chemical reaction which involves a decrease in Gibbs free energy
  3. the unit of enthalpy (per mole)
  4. solubility decreases down the group for these compounds
  5. an enthalpy which requires energy to produce one mole of a gaseous atom from its elements under standard conditions
  6. the distortion of an electron cloud on an anion in an ionic lattice
  7. the energy exchange between a chemical reaction and its surroundings at constant pressure
Down
  1. solubility increases down the group for these compounds
  2. an enthalpy change which requires energy to remove one mole of electrons from one mole of a gaseous, isolated, neutral atom
  3. an enthalpy cycle used to calculate lattice energy'
  4. a chemical reaction that releases energy to the surroundings
  5. an enthalpy change where one mole of a specified gaseous ion dissolves in sufficient water to form a very dilute solution
  6. the available energy to do useful work
  7. a chemical reaction is not spontaneous if Gibbs free energy is?
  8. an enthalpy change that takes place when 1 mole of an ionic solid dissolves in sufficient water to form an infinitely dilute solution.
  9. a reaction where products react together to re-form reactants at the same time as the reactants are forming products
  10. a thermodynamic quantity that represents the unavailability of a system's thermal energy for conversion into mechanical work
  11. a regular repeated arrangement of alternating positive and negative ions in a crystal

18 Clues: the unit of enthalpy (per mole) • the available energy to do useful work • an enthalpy cycle used to calculate lattice energy' • lattice enthalpy for an ion depends on its size and? • solubility increases down the group for these compounds • solubility decreases down the group for these compounds • a chemical reaction that releases energy to the surroundings • ...

elements,compounds and mixtures 2025-09-17

elements,compounds and mixtures crossword puzzle
Across
  1. number written below chemical symbol that tells how many atoms that element is in the molecule
  2. 2 or more atoms from different elements bonded together in a set ratio
  3. shows the elements in a compound and the set ratio of the atoms
  4. 2 or more atoms from the same element bonded together.
  5. a mixture in which you can see the different parts
Down
  1. a sample of matter, either a single element or a single compound, that has definite chemical and physical properties
  2. a substance produced in a chemical reaction
  3. Basic particle from which all elements are made
  4. a number in front of a chemical formula in an equation that indicates how many molecules or atoms of each
  5. mixture in which substances are evenly distributed
  6. a representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products
  7. A chemical substance that is present at the start of a chemical reaction
  8. 2 or more substances mixed together but not chemically bonded
  9. anything that has mass and takes up space
  10. A pure substance that cannot be broken down into any other substance by chemical or physical means

15 Clues: anything that has mass and takes up space • a substance produced in a chemical reaction • Basic particle from which all elements are made • mixture in which substances are evenly distributed • a mixture in which you can see the different parts • 2 or more atoms from the same element bonded together. • 2 or more substances mixed together but not chemically bonded • ...

CROSSWORD PUZZLE FOR ALCOHOLS, THIOLS AND ETHERS 2022-11-02

CROSSWORD PUZZLE FOR ALCOHOLS, THIOLS AND ETHERS crossword puzzle
Across
  1. number of electrons carbon has
  2. class of organic chemical compounds containing a sulfur atom in place of the oxygen atom
  3. difference in arrangement of electrons for benzene structures
  4. covalent bonds occur between two?
  5. for an element to become stable, it must have eight electrons
  6. type of geometric diastereomer that has functional groups on opposite sides of double bonds
  7. molecules with the same molecular formula but have different structures
  8. type of bond polarity where two elements on right side (both nonmetals) of periodic table
  9. type of reaction wherein the carbon skeleton of a molecule is rearranged to give a structural isomer of the original molecule.
  10. class of organic compounds that contain an oxygen between two alkyl groups
  11. for an element to become stable, it must have eight electrons
  12. type of chemical reaction in which a pair of atoms or groups of atoms are removed from a molecule
Down
  1. an atom or group of atoms attached to a chain (or ring) of carbon atoms
  2. type of chemical reaction where atoms or groups of atoms are added to each carbon atom of multiple bonds
  3. triple bond between carbon atoms
  4. type of organic compound whose molecules contain a benzene ring
  5. unsymmetrical addition reaction that refers to the addition of water
  6. the distribution of electrical charge over the atoms joined by the bond
  7. double bond between carbon atoms
  8. type of geometric diastereomer that has the functional group at the same side of double bonds
  9. alkanes that contain a ring of three or more carbons
  10. organic compound with a hydroxyl (OH) functional group on an aliphatic carbon atom
  11. type of chemistry that studies the compounds of carbon
  12. what is the principle element of organic compounds?
  13. state of an atom with four electrons available for covalent chemical bonding in its valence
  14. single bond between carbon atoms
  15. reaction in which the functional group of one chemical compound is substituted by another group

27 Clues: number of electrons carbon has • triple bond between carbon atoms • double bond between carbon atoms • single bond between carbon atoms • covalent bonds occur between two? • what is the principle element of organic compounds? • alkanes that contain a ring of three or more carbons • type of chemistry that studies the compounds of carbon • ...

Chemistry in Biology 2022-12-07

Chemistry in Biology crossword puzzle
Across
  1. substance that speeds up a chemical reaction
  2. molecule with oppositely charged regions
  3. substance dissolved in a solution
  4. substance in which another substance is dissolved
  5. two or more atoms of the same element having different numbers of neutrons
  6. substance that exists before a chemical reaction
  7. a pure substance composed of only one type of atom
  8. compound whose atoms are held together by
  9. reactant to which an enzyme binds
  10. particle without charge
  11. an electrical attraction between two oppositely charged atoms or groups of atoms
  12. minimum amount of energy needed for reactants to form products in a chemical reaction
  13. an atom that is positively or negatively charged because it has lost or gained electrons
  14. substance that releases hydrogen ions when dissolved in water
  15. protein that speeds up a biological reaction; biological catalyst
  16. substance that produces hydroxide ions when dissolved in water
Down
  1. attractive forces between molecules
  2. measure of the concentration of hydrogen ions in a solution
  3. a mixture that can react with an acid or base to maintain the pH of a solution within a specific range
  4. a type of chemical bond formed when atoms share electrons
  5. the specific place where a substrate binds on an enzyme
  6. energy-requiring process by which atoms or groups of atoms in substances are changed into different substances
  7. a combination of two or more different substances in which each substance keeps its individual characteristics
  8. weak electrostatic bond formed by the attraction of opposite charges between a H atom and an O, N, Fl atom
  9. a pure substance with unique properties, formed when two or more different elements combine
  10. positively charged particle
  11. negatively charged particle
  12. homogeneous mixture formed when a substance (the solute) is dissolved in another substance (the solvent)
  13. building block of matter
  14. substance formed by a chemical reaction
  15. contains neutrons and protons

31 Clues: particle without charge • building block of matter • positively charged particle • negatively charged particle • contains neutrons and protons • substance dissolved in a solution • reactant to which an enzyme binds • attractive forces between molecules • substance formed by a chemical reaction • molecule with oppositely charged regions • ...

element words 2022-09-17

element words crossword puzzle
Across
  1. A lead-antimony alloy is used in batteries
  2. the chemical element of atomic number 83
  3. flares
  4. chemical element
  5. heaviest chemical element of Group
  6. the chemical element of atomic number 41
  7. in the manufacture of photocells
  8. the chemical element of atomic number 97
  9. the chemical element of atomic number 18,
  10. the chemical element of atomic number 30
Down
  1. the chemical element of atomic number 62,
  2. scientific study and research.
  3. keeps a chain reaction under control
  4. chemical element with the symbol Pb and atomic number 82.
  5. brilliant reds its salts give to fireworks
  6. chemical element with the symbol Hs
  7. the chemical element of atomic number 16,
  8. cancer therapy.
  9. he chemical element of atomic number 7
  10. he chemical element of atomic number 5,
  11. the chemical element of atomic number 6

21 Clues: flares • cancer therapy. • chemical element • scientific study and research. • in the manufacture of photocells • heaviest chemical element of Group • chemical element with the symbol Hs • keeps a chain reaction under control • he chemical element of atomic number 7 • he chemical element of atomic number 5, • the chemical element of atomic number 6 • ...

types of reactions by harshit 2024-05-04

types of reactions by harshit crossword puzzle
Across
  1. one or group of atoms of a compound is replaced by another atom
  2. white solid precipitate
  3. symbolic representation of a chemical reaction
  4. reactions where heat is released
  5. two or more elements or compounds combine to form a product
  6. two compounds exchange their ions to form a compound
  7. oxidation of fats in food resulting bad taste
  8. involves gain of hydrogen or loss of oxygen
Down
  1. thin layer of zinc deposited on iron
  2. equal number of atoms of elements on both sides
  3. used for white washing
  4. involves gain of oxygen or loss of hydrogen
  5. substance undergoes a chemical change, forming a new substance
  6. represents chemical reactions using names of reactants and products
  7. represents chemical reactions with chemical formulas
  8. reactions where heat is absorbed
  9. one reactant breaks down into two or more products
  10. eating up of metals due to exposure to air and moisture

18 Clues: used for white washing • white solid precipitate • reactions where heat is absorbed • reactions where heat is released • thin layer of zinc deposited on iron • involves gain of oxygen or loss of hydrogen • involves gain of hydrogen or loss of oxygen • oxidation of fats in food resulting bad taste • symbolic representation of a chemical reaction • ...

Test 2023-04-12

Test crossword puzzle
Across
  1. positively charged ion
  2. the center of an atom
  3. composed of two or more elements NOT chemically combined
  4. made of one or more atoms
  5. starting substance in a chemical reaction
  6. negatively charged ion
  7. name of first group elements
  8. gold foil experiment director
  9. primary chemistry unit
  10. the outermost shell of electrons
  11. positively charged particle
  12. the smallest particle of an element
  13. total electrons in outer shell
  14. 12C and 13C
  15. change that produces a new substance
  16. repeating trends in elements properties
Down
  1. substance made during a chemical reaction
  2. reversible type of change
  3. composed of two or more elements chemically combined
  4. a chemical substance that cannot be broken down
  5. tendency to attract electrons
  6. bond with shared electrons
  7. nonreactive gases
  8. developed an early model of the atom
  9. negatively charged particle
  10. elements bonded with themselves, O2
  11. group having seven valence electrons

27 Clues: 12C and 13C • nonreactive gases • the center of an atom • positively charged ion • negatively charged ion • primary chemistry unit • reversible type of change • made of one or more atoms • bond with shared electrons • positively charged particle • negatively charged particle • name of first group elements • tendency to attract electrons • gold foil experiment director • ...

Day 2 2024-05-07

Day 2 crossword puzzle
Across
  1. a process of events
  2. a hard thing
  3. can be observed in a chemical reaction
  4. a change of materials
  5. when a liquid becomes cold and becomes a solid
  6. less rigid than a solid and more rigid than a gas
  7. easily set on fire
  8. super heated matter
  9. when a solid becomes hot or cold and becomes a liqid
  10. when a liquid becomes vapor from a hot surface
  11. liquid turns into gas
Down
  1. something that has mass and takes up space
  2. solid atoms become a periodic arrangement
  3. when a solid becomes gas
  4. the temperature where a liquid starts to become vapor
  5. when a liquid becomes cold and becomes a solid
  6. when chemicals react in a different way
  7. when a solid becomes a liquid
  8. when something is in a gaseous form
  9. water vapor becomes a liquid
  10. a liquid becomes a vapor form

21 Clues: a hard thing • easily set on fire • a process of events • super heated matter • a change of materials • liquid turns into gas • when a solid becomes gas • water vapor becomes a liquid • when a solid becomes a liquid • a liquid becomes a vapor form • when something is in a gaseous form • can be observed in a chemical reaction • when chemicals react in a different way • ...

Dalton Ruhenkamp Unit 2 2025-03-24

Dalton Ruhenkamp Unit 2 crossword puzzle
Across
  1. combination of molecules
  2. hates water
  3. allows certain molecules in or out of the cell
  4. the result of the chemical reaction
  5. combination of cells
  6. molecules naturally moving from clustered to being spaced out
  7. a molecule reaction speeds up chemical reactions
  8. the diffusion of water across a membrane
  9. occurs when cells spend energy to make molecules across the membrane through a transport protein
  10. all the organ systems combined
  11. combination of atoms
  12. combination of organelles
Down
  1. where the substrate connects to the enzyme
  2. combination of organs
  3. the energy needed to start chemical reactions
  4. a method of moving molecules across the membrane without using ATP (energy)
  5. the molecule that starts the chemical reation
  6. loves water
  7. a changed enzyme and is no longer effective
  8. the basic units of matter
  9. one hydrophilic head and 2 hydrophobic tails (cell membrane)
  10. combination of tissues

22 Clues: hates water • loves water • combination of cells • combination of atoms • combination of organs • combination of tissues • combination of molecules • the basic units of matter • combination of organelles • all the organ systems combined • the result of the chemical reaction • the diffusion of water across a membrane • where the substrate connects to the enzyme • ...

Grade 8 science july 2nd 2025 2025-07-02

Grade 8 science july 2nd 2025 crossword puzzle
Across
  1. How fast something moves without direction
  2. A method to write chemical formulas using valency
  3. The shortest distance from start to end point
  4. How much ground is covered during motion
  5. A way of showing the kinds and numbers of atoms in a molecule
  6. A substance that starts a chemical reaction
  7. The SI unit of distance
  8. The rate at which velocity changes
  9. The SI unit of time
  10. When an object changes its position over time
Down
  1. A word used for anything related to chemistry
  2. A substance formed in a chemical reaction
  3. The smallest particle of an element
  4. The SI unit for amount of substance
  5. When an object does not change its position
  6. The combining capacity of an element
  7. Moving at the same speed in a straight line
  8. Moving with changing speed or direction
  9. A letter or letters that represent an element
  10. Speed in a particular direction

20 Clues: The SI unit of time • The SI unit of distance • Speed in a particular direction • The rate at which velocity changes • The smallest particle of an element • The SI unit for amount of substance • The combining capacity of an element • Moving with changing speed or direction • How much ground is covered during motion • A substance formed in a chemical reaction • ...

chemical reactions 2025-01-23

chemical reactions crossword puzzle
Across
  1. A substance produced in a chemical reaction
  2. shows how many atoms, molecules or formula units take part in a reaction
  3. replacement when two parts of compounds are switch making two new compounds
  4. chemical change in which a element of chemical reacts with oxygen and
  5. equation- A representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products
  6. replacement reaction that occurs on one element replaces another element in one compound
Down
  1. when a compound goes through heat then breaks down
  2. the breaking down of compounds
  3. the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water
  4. A starting material in a chemical reaction
  5. A condition in which different elements are equal or in the correct proportions. There are three types of visual balance: symmetry, asymmetry, and radial.

11 Clues: the breaking down of compounds • A starting material in a chemical reaction • A substance produced in a chemical reaction • when a compound goes through heat then breaks down • chemical change in which a element of chemical reacts with oxygen and • shows how many atoms, molecules or formula units take part in a reaction • ...

Physical and Chemical Change 2019-11-07

Physical and Chemical Change crossword puzzle
Across
  1. A change of state where a liquid changes to a gas at the surface of the liquid
  2. A gradual erosion of rocks and buildings that occurs when limestone and marble react chemically with the carbonic acid in rainwater
  3. A change of state from solid to gas
  4. A change that does not result in a new substance being produced
  5. Evaporation of solvent from a solution to leave solute behind as crystals
  6. A change of state where a gas is cooled and forms a liquid
  7. The starting substances in chemical reactions
  8. The substances formed in chemical reactions
  9. A change of state from gas to solid
  10. A change of state where a liquid is heated and changes to a gas within the liquid
  11. A decrease in size
Down
  1. An increase in size
  2. Any chemical reaction where a substance burns in oxygen to produce light and heat
  3. The process of rearranging atoms in substances to form different substances
  4. A change that results in a new substance being formed
  5. The chemical reaction in plants that converts carbon dioxide and water into oxygen and glucose using energy from the sun
  6. A chemcial reaction that converts oxygen and glucose into water and carbon dioxide while releasing energy.
  7. A solid formed during a chemical change
  8. A simple chemical equation where chemicals are represented by their names
  9. The change of state from liquid to solid
  10. The change of state when a solid is heated and forms a liquid

21 Clues: A decrease in size • An increase in size • A change of state from solid to gas • A change of state from gas to solid • A solid formed during a chemical change • The change of state from liquid to solid • The substances formed in chemical reactions • The starting substances in chemical reactions • A change that results in a new substance being formed • ...

Energy Flow Crossword 2022-11-14

Energy Flow Crossword crossword puzzle
Across
  1. substances that are changed during a reaction
  2. absorbs energy
  3. substances that are made by a chemical reaction
  4. shows multiple food chains at once
  5. releases energy
  6. eats meat and vegetation
  7. a type of PROTEIN that speed up biochemical reactions by lowering the activation energy
  8. The amount of energy needed to make a chemical reaction start
Down
  1. get energy from nonliving things
  2. eats only meat
  3. get energy from living things or once living things
  4. eats only vegetation
  5. carries and stores energy
  6. levels of nourishment in a food chain
  7. eats dead material
  8. fits only one substrate
  9. enzymes active site loses its specific shape
  10. the breaking and creating of bonds between different substances

18 Clues: eats only meat • absorbs energy • releases energy • eats dead material • eats only vegetation • fits only one substrate • eats meat and vegetation • carries and stores energy • get energy from nonliving things • shows multiple food chains at once • levels of nourishment in a food chain • enzymes active site loses its specific shape • substances that are changed during a reaction • ...

Chem 1 2022-05-04

Chem 1 crossword puzzle
Across
  1. qualitatively explains how chemical reactions occur and why reaction rates differ for different reactions
  2. measure of degree of randomness as particles move
  3. If a stress is applied to a system at equilibrium the system shifts in the direction that relieves the stress
  4. the minimum energy that must be input to a chemical system with potential reactants to cause a chemical reaction
Down
  1. a substance that speeds up a chemical reaction, but is not consumed by the reaction
  2. Rate of forward reaction equals rate of reverse reaction and the concentrations of products and reactants remain unchanged
  3. Products can react to re-form the reactants
  4. the maximum energy point along the reaction path
  5. change in concentration of a reactant or product per unit of time
  6. slows down reaction rate or prevents reaction from happening

10 Clues: Products can react to re-form the reactants • the maximum energy point along the reaction path • measure of degree of randomness as particles move • slows down reaction rate or prevents reaction from happening • change in concentration of a reactant or product per unit of time • a substance that speeds up a chemical reaction, but is not consumed by the reaction • ...

CC Y10 chemistry revision crossword 2020-06-30

CC Y10 chemistry revision crossword crossword puzzle
Across
  1. The amount of product that is made in a chemical reaction
  2. The most reactive group 7 element
  3. A substance that speeds up a chemical reaction without being permanently changed itself
  4. A process in which energy is transferred from the surroundings to stores of energy in chemical bonds
  5. The name of the process that is used to make ammonia
  6. A substance that changes colour based on the pH
  7. A reaction between an acid and a base
  8. The loss of electrons
  9. A process in which energy is transferred from stores of energy in chemical bonds to the surroundings
  10. A negative ion
  11. A reaction that can go in the forward and backwards direction
  12. This is where an electron is found in an atom
  13. The number of electrons in the outer shell of an alkali metal
  14. The type of formula that tells us the simplest whole number ratio of atoms of an element in a substance
  15. Atoms of an element with the same number of protons but different numbers of neutrons
  16. A base that is soluble in water
  17. The least reactive alkali metal
  18. A charged particle that is formed by the loss or gain of electrons by an atom
  19. The substance formed when an acid reacts with a base
  20. A row in the periodic table
  21. The colour of chlorine gas
  22. A rock that contains enough of a compound to extract a metal for profit
  23. A system that no substances can enter or leave
  24. The substance that is made in a chemical reaction
  25. A positive ion
  26. The negative electrode
  27. The neutral particle present in the nucleus of an atom
Down
  1. A vertical column in the periodic table
  2. The temperature does this in an exothermic reaction
  3. An allotrope of carbon consisting of a sheet that is one atom thick
  4. The minimum amount of energy needed by colliding particles for a reaction to happen
  5. A molecule which is made up of two atoms, for example a chlorine molecule
  6. Unreactive
  7. The gain of electrons
  8. The name of the variable that is kept the same during an experiment
  9. pH7
  10. An allotrope of carbon that is incredibly hard
  11. A reaction in which a more reactive element displaces a less reactive element from one of its compounds
  12. A bond which involves the electrostatic force of attraction between oppositely charged ions
  13. The breakdown of an ionic compound using electrolysis
  14. What two particles must do in order for a reaction to take place between them
  15. The technique used to separate an insoluble solid from a liquid
  16. The general name for the elements in group 7
  17. An unreactive metal that is found in its native state
  18. An allotrope of carbon that conducts electricity
  19. An insoluble solid
  20. The colour of copper sulfate crystals
  21. An ionic compound that is molten or dissolved in water and conducts electricity
  22. The colour of copper oxide
  23. The reactant that runs out first in a chemical reaction
  24. The positive electrode
  25. The constant that tells us the number of particles in one mole of a substance
  26. A reaction in which oxidation and reduction take place
  27. When a gas turns into a liquid
  28. The type of bonding when electrons are shared

55 Clues: pH7 • Unreactive • A negative ion • A positive ion • An insoluble solid • The gain of electrons • The loss of electrons • The positive electrode • The negative electrode • The colour of copper oxide • The colour of chlorine gas • A row in the periodic table • When a gas turns into a liquid • A base that is soluble in water • The least reactive alkali metal • The most reactive group 7 element • ...

chemical reactions 2025-01-23

chemical reactions crossword puzzle
Across
  1. A substance produced in a chemical reaction
  2. shows how many atoms, molecules or formula units take part in a reaction
  3. replacement when two parts of compounds are switch making two new compounds
  4. chemical change in which a element of chemical reacts with oxygen and
  5. equation- A representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products
  6. replacement reaction that occurs on one element replaces another element in one compound
Down
  1. when a compound goes through heat then breaks down
  2. the breaking down of compounds
  3. the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water
  4. A starting material in a chemical reaction
  5. A condition in which different elements are equal or in the correct proportions. There are three types of visual balance: symmetry, asymmetry, and radial.

11 Clues: the breaking down of compounds • A starting material in a chemical reaction • A substance produced in a chemical reaction • when a compound goes through heat then breaks down • chemical change in which a element of chemical reacts with oxygen and • shows how many atoms, molecules or formula units take part in a reaction • ...

Marisol 2021-11-29

Marisol crossword puzzle
Across
  1. Reaction-a net absorption of energy
  2. Reaction-a net release of energy
  3. energy-Known as activation energy
  4. rate-how quickly the concentration of reactants decreases and how quickly
  5. substance that lowers the activation energy of a chemical reaction
Down
  1. reaction and its reverse act at the same rate
  2. into small things from the product
  3. chemical that donates a hydrogen
  4. chemical that accepts a hydrogen
  5. of Mass Conservation-no atoms are gained or lost during any reaction

10 Clues: Reaction-a net release of energy • chemical that donates a hydrogen • chemical that accepts a hydrogen • energy-Known as activation energy • into small things from the product • Reaction-a net absorption of energy • reaction and its reverse act at the same rate • substance that lowers the activation energy of a chemical reaction • ...

Chemical Reactions and Equations 2024-05-14

Chemical Reactions and Equations crossword puzzle
Across
  1. CaO + H20 is a ______ reaction (exothermic/endothermic)
  2. gas evolved when an acid reacts with a metal
  3. common name of calcium hydroxide
  4. ______ reactions
  5. a substance that undergoes a chemical change in a reaction
  6. substance that speeds up a chemical reaction
Down
  1. brown gas produced during the decomposition of lead nitrate
  2. a substance which turns from green to white when heated
  3. a magnesium ribbon burns in _____ colour
  4. an insoluble solid formed during a double displacement reaction
  5. during a double displacement reaction, _____ are exchanged
  6. most reactive metal

12 Clues: ______ reactions • most reactive metal • common name of calcium hydroxide • a magnesium ribbon burns in _____ colour • gas evolved when an acid reacts with a metal • substance that speeds up a chemical reaction • CaO + H20 is a ______ reaction (exothermic/endothermic) • a substance which turns from green to white when heated • ...

Avery's Crossword 2024-05-15

Avery's Crossword crossword puzzle
Across
  1. The reaction that releases heat
  2. To be joined or join a chemical bond
  3. An example of this is Hydrogen and oxygen in water
  4. It measures the average kinetic energy
  5. A substance made by mixing other substances together
  6. A type of scientific study
  7. Some examples are Neon, Hydrogen,and Iron
  8. An action caused by an event or situation
  9. The sticking of particles together
Down
  1. The reaction that absorbs heat
  2. some types of this are thermal, nuclear, and electrical
  3. Everything that exists is considered this
  4. A substance that is formed when two or more reactants interact
  5. The increase of rate in a chemical reaction
  6. A substance that cannot be broken down into simpler substances
  7. The quality of being hot
  8. Multiple atoms connected/combined are known as this
  9. Some common examples are sugar, water, and carbon dioxide

18 Clues: The quality of being hot • A type of scientific study • The reaction that absorbs heat • The reaction that releases heat • The sticking of particles together • To be joined or join a chemical bond • It measures the average kinetic energy • Everything that exists is considered this • Some examples are Neon, Hydrogen,and Iron • An action caused by an event or situation • ...

Unit 5: Chapter 9: Chemical Reactions 2023-04-27

Unit 5: Chapter 9: Chemical Reactions crossword puzzle
Across
  1. The type of reaction when the cations and anions in two reactants switch places in a chemical reaction
  2. A substance that is the result of a chemical reaction
  3. A substance that goes into a chemical reaction and changes
  4. The type of reaction when one element replaces another element in a compound during a chemical reaction
  5. A reaction that happens when two reactants combine to form a single product
Down
  1. When a substance reacts with oxygen gas, producing heat and light
  2. Any element in the 17th column of the periodic table
  3. An ionic compound produced by an acid-base reaction
  4. A reaction that happens when one reactant breaks down into two or more products
  5. The flow of energy between two things when one thing is hotter than the other

10 Clues: An ionic compound produced by an acid-base reaction • Any element in the 17th column of the periodic table • A substance that is the result of a chemical reaction • A substance that goes into a chemical reaction and changes • When a substance reacts with oxygen gas, producing heat and light • ...

Reactions Review 2018-04-25

Reactions Review crossword puzzle
Across
  1. A low pH indicates that a substance is __________.
  2. Chemical equations need to be balanced do to the Law of Conservation of ______.
  3. An alpha particle is the same as the nucleus from a _____ atom.
  4. A ___ energy is an energy source that produces energy without producing waste.
  5. An alpha particle can be stopped with _______.
  6. ______ is the nuclear process that powers the sun.
  7. An unstable atom will _____ radiation until it becomes smaller and more stable.
  8. An alternative fuel for reactors is _______.
  9. A reaction that feels cold to the touch is ________.
  10. The Strong Force is the force that holds together the ______.
  11. Fusion is the process of _____ two or more nuclei into one larger nucleus.
  12. _____ radiation has the most energy.
  13. If Carbon-14 were to go through alpha decay, it would become _______-10.
  14. Everything that comes out of a reaction is a ______.
  15. A ______ reaction changes the protons and neutrons of an atom.
  16. The amount of time it takes for radioactive elements to decay is called ______.
  17. The size of a sample has _____ effect on what percent will decay in a half-life.
  18. When Oxygen-19 releases a beta particle, it becomes a stable atom of _______.
Down
  1. A _____ reaction is a reaction that alters bonds between atoms.
  2. All elements other than Hydrogen were formed in ______ by fusion.
  3. Hydroelectric power harnesses energy from the movement of ____.
  4. The pH _______ is the measurement of acidity and Basicity of a substance.
  5. If a reaction is releasing heat, then it is ______, and will feel hot.
  6. The ______ in a chemical equation are what goes in to the reaction.
  7. ______ is the nuclear process used to power nuclear reactors.
  8. A beta particle is a single ____.
  9. A _____ reaction is a reaction that can go in both directions.
  10. When the products of a reaction cause another reaction, it’s called a _________.
  11. An acid turns litmus paper _____ and dissolves some metals.
  12. Cobalt-60 is used in the treatment of _____.
  13. Currently, nuclear reactors mainly use _______ as a fuel.
  14. _______ is a renewable energy that relies on the sun for power.
  15. Half-life can be used to test the age of materials by ______ dating.
  16. Reactants are on the _______ side of a reaction arrow.

34 Clues: A beta particle is a single ____. • _____ radiation has the most energy. • An alternative fuel for reactors is _______. • Cobalt-60 is used in the treatment of _____. • An alpha particle can be stopped with _______. • A low pH indicates that a substance is __________. • ______ is the nuclear process that powers the sun. • ...

Unit 8 Chemical Reactions Vocabulary 2020-12-08

Unit 8 Chemical Reactions Vocabulary crossword puzzle
Across
  1. process where bonds between atoms are broken and new ones are formed, producing one or more different substances
  2. AB + CD ----> AD + CB ; always involves at least 4 elements
  3. change in which no new chemical substances are formed; can usually be reversed
  4. AB ---> A + B ; a reaction in which a single compound breaks down to form two or more simpler substances
  5. change resulting in a new substance being formed
  6. a chemical reaction that occurs when a substance reacts with oxygen, releasing energy in the form of heat and light
  7. water that contains dissolved substances
Down
  1. a solid that forms during a chemical reaction in solution
  2. conversion factor that relates the amounts in moles of any two substances in a chemical reaction
  3. A + BC ---> AC + B; a chemical reaction that occurs when the atoms of one element replace the atoms of another element in a compound
  4. A + B ----> AB, a reaction in which two or more substances combine to form a new compound
  5. number in front of a balanced formula telling how many molecules of that element or compound are present; is changed to balance an equation

12 Clues: water that contains dissolved substances • change resulting in a new substance being formed • a solid that forms during a chemical reaction in solution • AB + CD ----> AD + CB ; always involves at least 4 elements • change in which no new chemical substances are formed; can usually be reversed • ...

Unit 8 Chemical Reactions Vocabulary 2020-12-08

Unit 8 Chemical Reactions Vocabulary crossword puzzle
Across
  1. process where bonds between atoms are broken and new ones are formed, producing one or more different substances
  2. AB + CD ----> AD + CB ; always involves at least 4 elements
  3. change in which no new chemical substances are formed; can usually be reversed
  4. AB ---> A + B ; a reaction in which a single compound breaks down to form two or more simpler substances
  5. change resulting in a new substance being formed
  6. a chemical reaction that occurs when a substance reacts with oxygen, releasing energy in the form of heat and light
  7. water that contains dissolved substances
Down
  1. a solid that forms during a chemical reaction in solution
  2. conversion factor that relates the amounts in moles of any two substances in a chemical reaction
  3. A + BC ---> AC + B; a chemical reaction that occurs when the atoms of one element replace the atoms of another element in a compound
  4. A + B ----> AB, a reaction in which two or more substances combine to form a new compound
  5. number in front of a balanced formula telling how many molecules of that element or compound are present; is changed to balance an equation

12 Clues: water that contains dissolved substances • change resulting in a new substance being formed • a solid that forms during a chemical reaction in solution • AB + CD ----> AD + CB ; always involves at least 4 elements • change in which no new chemical substances are formed; can usually be reversed • ...

Unit 8 Chemical Reactions Vocabulary 2020-12-08

Unit 8 Chemical Reactions Vocabulary crossword puzzle
Across
  1. change in which no new chemical substances are formed; can usually be reversed
  2. number in front of a balanced formula telling how many molecules of that element or compound are present; is changed to balance an equation
  3. process where bonds between atoms are broken and new ones are formed, producing one or more different substances
  4. a chemical reaction that occurs when a substance reacts with oxygen, releasing energy in the form of heat and light
  5. a solid that forms during a chemical reaction in solution
  6. A + BC ---> AC + B; a chemical reaction that occurs when the atoms of one element replace the atoms of another element in a compound
Down
  1. AB + CD ----> AD + CB ; always involves at least 4 elements
  2. A + B ----> AB, a reaction in which two or more substances combine to form a new compound
  3. AB ---> A + B ; a reaction in which a single compound breaks down to form two or more simpler substances
  4. water that contains dissolved substances
  5. conversion factor that relates the amounts in moles of any two substances in a chemical reaction
  6. change resulting in a new substance being formed

12 Clues: water that contains dissolved substances • change resulting in a new substance being formed • a solid that forms during a chemical reaction in solution • AB + CD ----> AD + CB ; always involves at least 4 elements • change in which no new chemical substances are formed; can usually be reversed • ...

Chem Vocab Words cross puzzle! 2022-10-19

Chem Vocab Words cross puzzle! crossword puzzle
Across
  1. limits chemical reaction
  2. the number of protons in the nucleus of an atom
  3. a substance formed by chemical union of two or more elements
  4. any substance that has a definite composition
  5. numbers in front of each substance in an equation
  6. the relationship between the relative quantities of substances taking part in a reaction or forming a compound
  7. substances that are made
Down
  1. the accuracy of your lab
  2. making an equation equal
  3. yield produce by math
  4. a homogeneous mixture of two or more substances
  5. yield produced by data
  6. the amount of 3-dimensional space occupied by an object
  7. left over from chemical reactant
  8. the amount produced
  9. substances that react
  10. possible explanation for a set of observations or possible answer to a scientific question
  11. mass/volume
  12. list of all the elements (abbreviation)

19 Clues: mass/volume • the amount produced • yield produce by math • substances that react • yield produced by data • the accuracy of your lab • making an equation equal • limits chemical reaction • substances that are made • left over from chemical reactant • list of all the elements (abbreviation) • any substance that has a definite composition • ...

Chemistry 7 2022-04-28

Chemistry 7 crossword puzzle
Across
  1. qualitatively explains how chemical reactions occur and why reaction rates differ for different reactions
  2. measure of degree of randomness as particles move;
  3. If a stress is applied to a system at equilibrium the system shifts in the direction that relieves the stress
  4. the minimum energy that must be input to a chemical system with potential reactants to cause a chemical reaction
Down
  1. a substance that speeds up a chemical reaction, but is not consumed by the reaction
  2. Rate of forward reaction equals rate of reverse reaction and the concentrations of products and reactants remain unchanged
  3. Products can react to re-form the reactants
  4. the maximum energy point along the reaction path
  5. change in concentration of a reactant or product per unit of time
  6. slows down reaction rate or prevents reaction from happening

10 Clues: Products can react to re-form the reactants • the maximum energy point along the reaction path • measure of degree of randomness as particles move; • slows down reaction rate or prevents reaction from happening • change in concentration of a reactant or product per unit of time • a substance that speeds up a chemical reaction, but is not consumed by the reaction • ...

crossword puzzle 2017-11-17

crossword puzzle crossword puzzle
Across
  1. energy of movement; includes light heat mechanical movement and electricity
  2. a pair of reactions 1 exergonic and endergonic that are linked together such that the energy produced by the exergonic reaction provides the energy needed to drive the endergonic reaction
  3. in enzyme mediated chemical reactions the condition in which the product of a reaction inhibits 1+ of the enzymes involved in synthesizing the product
  4. a disk-shaped membranous sac found in chloroplasts the membranes of which contain the photosystems and ATP-synthesizing enzymes used in the light-dependent reactions of photosynthesis
  5. initial reactions of glucose metabolism in eukaryotic cells in which glucose breaks into pyruvate capturing energy in two molecules of ATP. If oxygen is absent this process is followed by fermentation.
  6. a red orange or yellow pigment found in chloroplasts that serves as an accessory light-gathering molecule in thylakoid photosystems
  7. process by which 2+ molecules that are somewhat similar in structure compete for the active site of an enzyme
  8. the space between the inner and outer membrane of a mitochondria.
  9. region of an enzyme molecule that binds substrates and performs the catalytic function of the enzyme
  10. “stored” energy normally chemical energy or energy of position within a gravitational field
  11. a molecule composed of the sugar ribose the base adenine and 2 phosphate groups; component of ATP
  12. a series of electron carrier molecules found in the thylakoid membranes of chloroplasts and the inner membrane of mitochondria that extract energy from electrons and generate ATP or other energetic molecules
  13. protein catalyst that speeds up the rate of specific biological reactions
  14. physic laws that define the basic properties and behavior of energy
  15. principle of physics: within any isolated system energy can be neither created nor destroyed but can we converted from one form to another
  16. principle of physics: any change in an isolated system causes the quantity of concentrated useful energy to decrease and the amount of randomness and disorder(entropy) to increase
  17. atoms or molecules that are the reactants for an enzyme catalyzed chemical reaction
  18. measure of the amount of randomness and disorder in a system
  19. a two stage carbon-fixation pathway; the series of reactions in certain plants that fixes carbon dioxide into oxaloacetic acid which is later broken down for use in C3 cycle of photosynthesis
  20. a series of reactions that occur under aerobic conditions and produce a large quantity of ATP while breaking down the pyruvate generated by glycolysis into carbon dioxide and water.
  21. a pigment found in chloroplasts that captures light energy during photosynthesis; absorbs violet blue and red light but reflects green light
  22. an adjustable opening in the epidermis of a leaf surrounded by a pair of guard cells that regulates the diffusion of carbon dioxide and water into and out of the leaf
  23. pertaining to a chemical reaction that liberates energy (either heat or increased entropy); “downhill” reaction
  24. molecule that can reversibly gain or lose electrons. Electron carriers generally accepted high energy electrons produced during an exergonic reaction and donate the electrons to acceptor molecules that use the energy to drive endergonic reactions
  25. in thylakoid membranes a light-harvesting complex and its associated electron transport system
  26. the process by which a gradient of hydrogen ions is produced and then allowed to run down capturing energy in the bonds of ATP molecules.
  27. in the light-harvesting complex of a photosystem the chlorophyll molecule to which light energy is transferred by the antenna molecules (light-absorbing pigments); the captured energy ejects an electron from the reaction center chlorophyll and the electron is transferred to the electron transport system
  28. an atom or molecule that is used in a chemical reaction to form a product
  29. capacity to do work
  30. an organic molecule that is bound to certain enzymes and is required for enzymes’ proper functioning a nucleotide bound to a water soluble vitamin
  31. process where enzyme action is advanced or inhibited by small organic molecules that act as regulators by binding to the enzyme and altering its active site
  32. acetyl CoA combines with a four carbon molecule to form a six carbon molecule called citrate. Produces two carbon dioxides one ATP three NADH and one FADH2 per acetyl CoA.
Down
  1. a series of reactions in plants in which O2 replaces CO2 during the C3 cycle preventing carbon fixation; this wasteful process dominates when C3 plants are forced to close their stomata to prevent water loss
  2. the second stage of photosynthesis in which the energy obtained by the light- dependent reactions is used to fix carbon dioxide into carbohydrates; occurs in the stroma of chloroplasts
  3. sequence of chemical reactions within a cell in which the products of one reaction are the reactants for the next reaction
  4. the first stage of photosynthesis in which the energy of light is captured as ATP and NADPH; occurs in thylakoids of chloroplasts
  5. the process that forms and breaks chemical bonds that hold atoms together
  6. the smallest unit of light energy
  7. in a chemical reaction the energy needed to force electron shells of reactant together prior to the formation of products
  8. a gel like material in the mitochondria in which cellular respiration takes place.
  9. a molecule composed of the sugar ribose the base adenine and 3 phosphate groups; the major energy carrier in cells last 2 phosphate groups attached by “high energy” bonds
  10. molecule that stores energy in “high energy” chemical bonds and releases the energy to drive coupled endothermic reactions. In cells ATP is the most common energy carrier molecule
  11. pertaining to a chemical reaction that requires an input of energy to proceed; an “uphill” reaction
  12. sum of all chemical reactions that occur within a single cell or within all the cells of a multicellular organism
  13. the cyclic series of reactions whereby carbon dioxide is fixed into carbohydrates during the light-independent reactions of photosynthesis; also called Calvin-Benson cycle
  14. substance that speeds up a chemical reaction without itself being permanently changed in the process; lowers the activation energy of a reaction
  15. a metabolic process that consumes sugar in the absence of oxygen. The products are organic acids gases or alcohol.
  16. same as C3 cycle
  17. an atom or molecule that is formed from reactants in a chemical reaction
  18. the initial steps in the C3 cycle in which carbon dioxide reacts with ribulose biphosphate to form a stable organic molecule
  19. the complete series of chemical reactions in which the energy of light is used to synthesize high-energy organic molecules normally carbohydrates from low-energy inorganic molecules normally carbon dioxide and water.
  20. the semi-fluid material inside chloroplasts in which the grana are embedded

52 Clues: same as C3 cycle • capacity to do work • the smallest unit of light energy • measure of the amount of randomness and disorder in a system • the space between the inner and outer membrane of a mitochondria. • physic laws that define the basic properties and behavior of energy • an atom or molecule that is formed from reactants in a chemical reaction • ...

science vocab 2021-10-15

science vocab crossword puzzle
Across
  1. The forces between atoms that hold the atoms together
  2. insulated container that prevents a chemical reaction from gaining heat from its surroundings.
  3. Anything with mass and volume
  4. instrument that can quantitate the amount of light of a specific wavelength
  5. The distance between two adjacent crests or troughs
  6. metric measurement of Wavelength
  7. When a reactant is not converted to a product
  8. matter cannot be created nor destroyed
Down
  1. indicates the formulas of all reactants and products
  2. Occurs when chemical reactants are converted into chemical products
  3. a description of a chemical compound using the letter designation of the elements
  4. The quantity of reactants consumed or the quantity of products produced
  5. a chemical compound that is consumed in a chemical
  6. The amount of a product produced by a chemical reaction compared to the amount of reactant
  7. The smallest particle of matter that still retains the properties of an element
  8. when reactant interact to form products

16 Clues: Anything with mass and volume • metric measurement of Wavelength • matter cannot be created nor destroyed • when reactant interact to form products • When a reactant is not converted to a product • a chemical compound that is consumed in a chemical • The distance between two adjacent crests or troughs • indicates the formulas of all reactants and products • ...

Physical Science Midterm 2018-12-14

Physical Science Midterm crossword puzzle
Across
  1. the numbers that appear before a formula
  2. a chemical reaction that releases energy to is surroundings
  3. a notation that shows what elements a compound contains and the ratio of the atoms or ions of these elements in the compound
  4. an atom that has a net positive or negative electric charge
  5. an eletron that is in the highest occupied energy level
  6. a reaction in which two or more substances react to form a single substance
  7. a chemical bond in which two atoms share a pair of valence electrons
  8. each row in the periodic table of elements
  9. a positively charged subatomic particle that is found in the nucleus of an atom
  10. a reaction in which two different compounds exchange positive ions and form two new compounds
  11. a neutral subatomic that is found in the nucleus of an atom
  12. new substances that are formed as a result of a chemical reaction
  13. atoms of the same element that have different numbers of neutrons and different mass numbers
  14. a neutral group of atoms that are joined together by one or more covalent bonds
  15. elements with proterties that fall between those of metals and nonmetals
  16. the force that holds cations and anions together
  17. each column in the periodic table of elements
Down
  1. a reaction in which one element takes the place of another element in a compound
  2. a reaction in which a compound breaks down into two or more simpler substances
  3. equals the number of protons in an atom
  4. dense positively charged mass located in the center of the atom
  5. a representation of a chemical reaction in which the reactants and products are expressed as formulas
  6. an ion wih a positive charge
  7. a covalent bond in which electrons are not shared equally
  8. the force that holds atoms or ions together as a unit
  9. the sum of the protons and neutrons in the nucleus of an atom
  10. the substances that undergo change
  11. elements that are poor conductors of heat and electric current
  12. a covalently bonded group of atoms that has a positive or negative charge and acts as a unit
  13. a negatively charged subatomic particle that is found in the space outside the nucleus
  14. a chemical reaction that absorbs energy from its surroundings
  15. elements that are good conductors of electric current and heat
  16. an ion with a negative charge

33 Clues: an ion wih a positive charge • an ion with a negative charge • the substances that undergo change • equals the number of protons in an atom • the numbers that appear before a formula • each row in the periodic table of elements • each column in the periodic table of elements • the force that holds cations and anions together • ...

This Week in Science 2024-09-20

This Week in Science crossword puzzle
Across
  1. In a chemical reaction a substance___________.
  2. A "metal" that light can pass through
  3. TWO WORDS. When a liquid becomes a gas
  4. Can it bend?
  5. The smallest unit of measure
  6. Properties you can see with a reaction
  7. A pure substance
  8. A liquid metal
  9. Two or more elements combined
Down
  1. Will it burn?
  2. Will it dissolve?
  3. When something can't bend
  4. When something will melt into water
  5. A metallic element that is reactive that we examined
  6. Is collecting in a mass in the ocean
  7. Properties you can only see with a reaction
  8. TWO WORDS. When a solid becomes a liquid

17 Clues: Can it bend? • Will it burn? • A liquid metal • A pure substance • Will it dissolve? • When something can't bend • The smallest unit of measure • Two or more elements combined • When something will melt into water • Is collecting in a mass in the ocean • A "metal" that light can pass through • TWO WORDS. When a liquid becomes a gas • Properties you can see with a reaction • ...

Emily Herr Chapter 13 2017-10-11

Emily Herr Chapter 13 crossword puzzle
Across
  1. a reaction between an acid and a base
  2. a substance that donates hydrogen ions
  3. the deterioration of a metal, typically cause by atmospheric oxygen
  4. the new materials formed in a chemical reaction
Down
  1. description of a chemical reaction in which there is a net release of energy
  2. description of a substance that can behave as either an acid or a base
  3. description of a chemical reaction in which there is a net absorption of energy
  4. the minimum energy required in order for a chemical reaction to proceed
  5. the process by which a reactant loses one or more electrons
  6. the process by which a reactant gains one or more electrons
  7. a substance that accepts hydrogen ions

11 Clues: a reaction between an acid and a base • a substance that donates hydrogen ions • a substance that accepts hydrogen ions • the new materials formed in a chemical reaction • the process by which a reactant loses one or more electrons • the process by which a reactant gains one or more electrons • the deterioration of a metal, typically cause by atmospheric oxygen • ...

Energy and Change 2022-10-19

Energy and Change crossword puzzle
Across
  1. the reaction where a more complex molecule breaks into simpler products
  2. a release of this is an indication of a chemical change
  3. atoms combine to form a more complex molecule
  4. energy from the electromagnetic spectrum
  5. the energy of heat
  6. a usually reversible change in the properties of a substance like size or shape
  7. lit splints go out in the presence of this gas
  8. the most energetic of the electromagnetic rays
  9. the thing that changes most when particles change state
  10. what is left after a chemical change
  11. tells you how many atoms you have of a given element
Down
  1. this number tells you how many molecules you have in a chemical reaction
  2. when oxygen reacts to an element or molecule
  3. this law states that mass cannot be destroyed or created
  4. the kind of change that means bonds between particles have been broken or made
  5. the kind of energy that comes from breaking bonds between particles
  6. the chemicals that you start with before a chemical change
  7. what chemical reactions need to occur
  8. a solid made when two chemical solutions mix
  9. the kind of gas that makes a POP! when exposed to flame
  10. the kind of gas that relights a glowing splint

21 Clues: the energy of heat • what is left after a chemical change • what chemical reactions need to occur • energy from the electromagnetic spectrum • when oxygen reacts to an element or molecule • a solid made when two chemical solutions mix • atoms combine to form a more complex molecule • lit splints go out in the presence of this gas • ...

CROSSWORD PUZZLE FOR ALCOHOLS, THIOLS AND ETHERS 2022-11-02

CROSSWORD PUZZLE FOR ALCOHOLS, THIOLS AND ETHERS crossword puzzle
Across
  1. type of chemical reaction where atoms or groups of atoms are added to each carbon atom of multiple bonds
  2. single bond between carbon atoms
  3. type of geometric diastereomer that has functional groups on opposite sides of double bonds
  4. difference in arrangement of electrons for benzene structures
  5. type of geometric diastereomer that has the functional group at the same side of double bonds
  6. triple bond between carbon atoms
  7. reaction in which the functional group of one chemical compound is substituted by another group
  8. how many electrons can fill in the succeeding shells?
  9. an atom or group of atoms attached to a chain (or ring) of carbon atoms
  10. alkanes that contain a ring of three or more carbons
  11. class of organic chemical compounds containing a sulfur atom in place of the oxygen atom
  12. type of reaction wherein the carbon skeleton of a molecule is rearranged to give a structural isomer of the original molecule.
  13. molecules with the same molecular formula but have different structures
Down
  1. covalent bonds occur between two?
  2. the distribution of electrical charge over the atoms joined by the bond
  3. what is the principle element of organic compounds?
  4. group of atoms with characteristic chemical behavior
  5. type of bond polarity where two elements on right side (both nonmetals) of periodic table
  6. state of an atom with four electrons available for covalent chemical bonding in its valence
  7. type of chemical reaction in which a pair of atoms or groups of atoms are removed from a molecule
  8. type of chemistry that studies the compounds of carbon
  9. type of organic compound whose molecules contain a benzene ring
  10. for an element to become stable, it must have eight electrons
  11. unsymmetrical addition reaction that refers to the addition of water
  12. how many electrons can fill in the innermost shell?
  13. organic compound with a hydroxyl (OH) functional group on an aliphatic carbon atom
  14. for an element to become stable, it must have eight electrons
  15. double bond between carbon atoms
  16. number of electrons carbon has
  17. class of organic compounds that contain an oxygen between two alkyl groups

30 Clues: number of electrons carbon has • single bond between carbon atoms • triple bond between carbon atoms • double bond between carbon atoms • covalent bonds occur between two? • what is the principle element of organic compounds? • how many electrons can fill in the innermost shell? • group of atoms with characteristic chemical behavior • ...

chemistry lab 2014-11-08

chemistry lab crossword puzzle
Across
  1. Metals group 1 in the periodic table, not including hydrogen
  2. group 17 in the periodic table of elements
  3. slow chemical change that occurs when oxygen in air reacts with metals
  4. Number number of protons in the nucleus of one atom of an element
  5. pure substance made up of only one type atom
  6. anything that has mass and occupies space
  7. an atom that has become electrically charged
  8. vertical column of elements in the periodic table
  9. substance that helps a chemical reaction to proceed more quickly
  10. Gases group 18 in the periodic table
  11. chemical combination of two or more elements in a specific ratio
  12. amount of mass in a given volume of a substance
  13. positively charged center of an atom
Down
  1. combination of pure substances
  2. Formula combination of symbols that represent a compound
  3. dull, brittle element that does not conduct electricity
  4. change of state from a solid to a liquid
  5. description of a substance that can be rolled or pounded into sheets
  6. change of state from a gas to a solid
  7. chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
  8. System an experiment in which all reactants and all products of a chemical reaction are accounted for
  9. Change a change in where 2 or more substances react to create a new substance with completely different properties
  10. description of a solid that can be stretched into a long wire
  11. Solution a solution in which water is the solvent

24 Clues: combination of pure substances • positively charged center of an atom • Gases group 18 in the periodic table • change of state from a gas to a solid • change of state from a solid to a liquid • anything that has mass and occupies space • group 17 in the periodic table of elements • pure substance made up of only one type atom • ...

Acid Base Vocabulary 2025-02-26

Acid Base Vocabulary crossword puzzle
Across
  1. A unit used to measure the amount of a substance, equal to Avogadro's number (6.022 × 10²³ particles).
  2. A substance that donates a proton (H⁺) to another substance.
  3. A law stating that mass is neither created nor destroyed in a chemical reaction.
  4. A substance that accepts a proton (H⁺) from another substance.
  5. Atoms of the same element that have a different mass due to varying neutron numbers
  6. Base The species formed when an acid loses a proton (H⁺) in a chemical reaction.
  7. The species formed when a base gains a proton (H⁺) in a chemical reaction.
Down
  1. A chemical bond formed by the sharing of electrons between two nonmetal atoms.
  2. A reaction that absorbs energy (usually in the form of heat) from its surroundings.
  3. A chemical bond formed by the transfer of electrons from a metal to a nonmetal, creating oppositely charged ions.
  4. The measurement of disorder
  5. A substance that increases the concentration of hydrogen ions (H⁺) in an aqueous solution.
  6. A measure of an atom's ability to attract and bond with electrons in a chemical bond.
  7. A substance that increases the concentration of hydroxide ions (OH⁻) in an aqueous solution.
  8. A measure of the acidity or basicity of a solution, calculated as the negative logarithm of the hydrogen ion concentration.

15 Clues: The measurement of disorder • A substance that donates a proton (H⁺) to another substance. • A substance that accepts a proton (H⁺) from another substance. • The species formed when a base gains a proton (H⁺) in a chemical reaction. • A chemical bond formed by the sharing of electrons between two nonmetal atoms. • ...

Balancing chemical equations 2021-10-27

Balancing chemical equations crossword puzzle
Across
  1. after chemical reaction
  2. before the chemical reaction
  3. mass cant be created nor desrtoyed
  4. when charges are equal
  5. a matiral substance
Down
  1. numder before element/compound
  2. telling a chemical reaction accured
  3. number after element/compound
  4. tells what the charge is
  5. when charges are not equal

10 Clues: a matiral substance • when charges are equal • after chemical reaction • tells what the charge is • when charges are not equal • before the chemical reaction • number after element/compound • numder before element/compound • mass cant be created nor desrtoyed • telling a chemical reaction accured

Bryan Chemistry Crossword 2019-02-14

Bryan Chemistry Crossword crossword puzzle
Across
  1. A positively charged particle in the nucleus of an atom.
  2. A neutral particle in the nucleus of an atom.
  3. The most stable and unreactive of the group 18 elements in the periodic table.
  4. A dull and brittle element that doesn't conduct electricity.
  5. A reaction that takes place when two or more substances react to form new substances.
  6. A combination of symbols that represent a compound, identifies what element and how much is in the compound.
  7. Ability of a substance to conduct electricity or heat.
  8. description of how a substance interacts with other substances. Only observable when chemical change occurs.
  9. When a pure substance formed when at least one metal and one non-metal combine.
  10. A substance made up of only one type of atom.
  11. Characteristics that describes a particular substance.
  12. The new substance produced in a chemical reaction between reactants.
  13. Change of state from a liquid to a solid.
  14. Group 1 elements in the periodic table, the most reactive of the metals
  15. Group 2 elements in the periodic table, their reactivity isn't as strong as Alkali Metals
  16. A mixture of two or more pure substances that looks like one substance.
  17. When a group of atoms acts like one.
  18. property that describes physical appearance and composition of a substance.
  19. A table where elements are sorted by physical and chemical properties.
  20. chemical reaction that takes place in cells.
  21. Change in the appearance or state of a substance that doesn't change the composition.
  22. Atom that has become electrically charged because it has lost or gained electrons.
  23. Chemical reaction that releases energy.
  24. A solution in which water is the solvent.
  25. Shiny, malleable, ductile element that conducts electricity.
  26. Change of state from a solid to a liquid
  27. description of a solid that can be stretched into a long wire.
Down
  1. Combination of pure substances.
  2. Solid,liquid, gas, and plasma.
  3. Description of a substance that can be pounded or rolled into sheets.
  4. slow chemical change that occurs when oxygen in the air reacts with a metal.
  5. A group of atoms joined together to make an object.
  6. Substance in a chemical reaction to make new substances with different qualities.
  7. Chemical reaction that occurs when oxygen reacts with a substance to form a new substance.
  8. A cloudy mixture in which tiny particles can be separated out.
  9. Change of state, from gas to liquid.
  10. Mixture in which the different substances that make up the mixture are visible.
  11. chemical combination of two or more elements in a specific ratio.
  12. Anything that has mass and occupies space.
  13. The most reactive non metals.
  14. change of state from a solid to a gas or from a gas to a solid.
  15. Amount of mass in a given volume of a substance.
  16. Change of state from gas to solid.
  17. change that results when two or more substances react to create a different substance or substances, the new substance would be completely different from the original.
  18. Chemical reaction that absorbs energy.
  19. Substance made of only one kind of matter.
  20. An element that has both metallic and nonmetallic properties.
  21. Change of state from a liquid to a gas .
  22. Mass of a substance that can dissolve in a given amount of solvent to make a saturated solution at a given temp.
  23. A cloudy mixture which particles cannot be separated out from the other substance.

50 Clues: The most reactive non metals. • Solid,liquid, gas, and plasma. • Combination of pure substances. • Change of state from gas to solid. • Change of state, from gas to liquid. • When a group of atoms acts like one. • Chemical reaction that absorbs energy. • Chemical reaction that releases energy. • Change of state from a liquid to a gas . • ...

Thermochemistry 2023-03-29

Thermochemistry crossword puzzle
Across
  1. The change in the enthalpy of a chemical reaction that occurs at a constant pressure.
  2. The property of matter which shows the capacity to perform work.
  3. The heat absorbed by one mole of that substance as it is converted from a solid to a liquid.
  4. The heat required to raise the temperature of the unit mass of a given substance by a given amount.
  5. The process of measuring the amount of heat released or absorbed during a chemical reaction.
  6. An apparatus for measuring the amount of heat involved in a chemical reaction or other process.
  7. The energy possessed by an object due to its position relative to others
  8. The enthalpy change when 1 mole of a substance burns and combines with oxygen.
  9. A unit of energy equivalent to the heat energy needed to raise the temperature of 1 gram of water by 1 °C
  10. The subsection of chemistry that deals with quantities of heat that gets absorbed or evolved during a chemical reaction.
  11. Energy that is possessed by the process of being in motion.
Down
  1. The heat absorbed by one mole of a substance as it is converted from a liquid to a gas.
  2. The net release of heat from a compound or reaction.
  3. The energy stored in the Chemical bonds of a substance.
  4. A physical quantity that expresses quantitatively the perceptions of hotness and coldness.
  5. A quantity equivalent to the total heat content of a system
  6. A law that states, “Energy can neither be created nor destroyed- only transformed from one form of energy to another.”
  7. The SI unit of work or energy, equal to the work done by a force of one newton.
  8. A form of energy arising from the random motion of the molecules of bodies, which may be transferred by conduction, convection, or radiation
  9. The absorption of heat.

20 Clues: The absorption of heat. • The net release of heat from a compound or reaction. • The energy stored in the Chemical bonds of a substance. • A quantity equivalent to the total heat content of a system • Energy that is possessed by the process of being in motion. • The property of matter which shows the capacity to perform work. • ...

Ashli Thurston-Chemistry 2019-10-17

Ashli Thurston-Chemistry crossword puzzle
Across
  1. Two elements put together
  2. They cannot be broken down into simpler substences
  3. a reaction that changes something physical ex:painting
  4. Stuff like flammability, reactivity, toxicity ect.
  5. The person who discovered stuff about the Periodic Table
  6. What you start with
  7. The mass of an element
  8. The result of something
  9. The same of something
Down
  1. stuff like color, smell, size, texture ect.
  2. One of the substances in a chemical reaction
  3. A steep piece of rock
  4. What you add
  5. a reaction that changes something chemical ex:burning
  6. A mixture
  7. The smallest part of matter

16 Clues: A mixture • What you add • What you start with • A steep piece of rock • The same of something • The mass of an element • The result of something • Two elements put together • The smallest part of matter • stuff like color, smell, size, texture ect. • One of the substances in a chemical reaction • They cannot be broken down into simpler substences • ...

Dagnys matter crossword 2025-10-08

Dagnys matter crossword crossword puzzle
Across
  1. its a chemical or physical
  2. what are liquid solids and gases called
  3. matter that has no definite shape or volume
  4. a group of atoms bonded together
  5. what state of matter is water
  6. can change form
  7. how many states of matter are there
  8. the reaction when something changes property
  9. what something looks like
Down
  1. what state of matter is a table
  2. the reaction when something changes substance
  3. what does matter take up
  4. the amount of space an object takes up
  5. a reaction or process
  6. the type of energy something heats up
  7. tiny partiqules world made up of

16 Clues: can change form • a reaction or process • what does matter take up • what something looks like • its a chemical or physical • what state of matter is water • what state of matter is a table • a group of atoms bonded together • tiny partiqules world made up of • how many states of matter are there • the type of energy something heats up • the amount of space an object takes up • ...

Ch 2 2025-09-04

Ch 2 crossword puzzle
Across
  1. A type of chemical bond where two atoms share one or more pairs of valence electrons.
  2. The number of protons in the nucleus of an atom (no space between words).
  3. Anything that has mass and takes up space.
  4. Atoms or molecules that have gained or lost one or more electrons, giving them a net electrical charge.
  5. A covalent bond in which the electrons are shared equally between the two atoms (no space between words)..
  6. A weak bond that forms between a partially positive hydrogen atom and a partially negative atom, typically oxygen or nitrogen.
  7. A chemical bond formed by the electrostatic attraction between oppositely charged ions.
  8. The starting substances in a chemical reaction.
  9. The substances that are formed as a result of a chemical reaction.
  10. The elements that an organism needs to live a healthy life and reproduce.
  11. Elements that are essential for life but are required in very small quantities.
  12. The electrons in the outermost shell of an atom, which are involved in chemical bonding.
  13. A negatively charged ion.
Down
  1. The total mass of the protons, neutrons, and electrons in a single atom (no space between words)..
  2. A chemical reaction that proceeds in only one direction.
  3. A covalent bond in which the electrons are shared unequally between the two atoms, creating a partial positive and partial negative charge on the atoms (no space between words)..
  4. A positively charged ion.
  5. Subatomic particles located in the nucleus of an atom that have a positive electrical charge.
  6. Subatomic particles located in the nucleus of an atom that have no electrical charge.
  7. The four most abundant elements in living organisms: carbon (C), hydrogen (H), oxygen (O), and _________________________.
  8. A chemical reaction that can proceed in both the forward and reverse directions.
  9. The sum of the atomic masses of all the atoms in a molecule (no space between words)..
  10. Negatively charged subatomic particles that orbit the nucleus of an atom.
  11. A pure substance that consists of only one type of atom.
  12. The smallest unit of an element that retains the chemical properties of that element.

25 Clues: A positively charged ion. • A negatively charged ion. • Anything that has mass and takes up space. • The starting substances in a chemical reaction. • A chemical reaction that proceeds in only one direction. • A pure substance that consists of only one type of atom. • The substances that are formed as a result of a chemical reaction. • ...

Kobey Brewster ch.13 crossword 2017-10-11

Kobey Brewster ch.13 crossword crossword puzzle
Across
  1. the new materials formed in a chemical reaction
  2. a substance that donates hydrogen ions
  3. a polyatomic ion made by adding a proton(hydrogen ion) to a water molecule
  4. a substance that accepts by hydrogen ions
  5. the process by which a reactant loses one or more electrons
  6. description of a chemical reaction in which there is a net release of energy
  7. the reacting substances in a chemical reaction
Down
  1. description of a chemical reaction in which there is a net absorption of energy
  2. the minimum energy required in order for a chemical reaction to proceed
  3. the deterioration of a metal, typically caused by atmospheric oxygen

10 Clues: a substance that donates hydrogen ions • a substance that accepts by hydrogen ions • the reacting substances in a chemical reaction • the new materials formed in a chemical reaction • the process by which a reactant loses one or more electrons • the deterioration of a metal, typically caused by atmospheric oxygen • ...

Biology Chapter 2 Key Terms 2025-09-19

Biology Chapter 2 Key Terms crossword puzzle
Across
  1. Substance found listed on the left-hand side of a chemical equation; present before a chemical reaction and takes part in the reaction.
  2. The smallest particle of an element; the building block of matter.
  3. An attraction between atoms; the result of sharing or transferring valence electrons.
  4. A change in a substance that results in one or more new substances being formed; these have different physical and chemical properties than those of the original substance.
  5. Process by which particles in a solution are evenly distributed throughout the solvent by "Brownian Motion."
  6. The process occurring when a solute is broken into smaller pieces by and distributed within a solvent, which is the second substance.
  7. A substance that produces Hydroxide ions (OH-).
  8. Used for energy storage and in cell membranes of living things; A class of nonpolar organic compounds insoluble in water.
  9. Substance found listed on the right-hand side of a chemical equation; it is the substance formed during a chemical reaction.
  10. The tendency of energy to disperse; thus, it is less available to do its work.
  11. A substance change that does not change the identity of the substance.
  12. Measurement of the average speed of particles moving within a substance.
  13. Organic compound comprised of elements Carbon, Hydrogen and Oxygen.
  14. A naturally occurring catalyst; usually a protein.
  15. The smallest particle of a covalently bonded compound.
  16. A class of organic compounds that serve as the building blocks of proteins.
Down
  1. A pure substance made of two or more elements.
  2. The attraction between particles in one substance for particles in a different substance.
  3. A substance that binds to an enzyme and reduces its activity; it slows a chemical reaction that the enzyme catalyzes.
  4. The attraction between like particles within polar substances.
  5. A substance that produces Hydrogen ions (H+).
  6. A substance that changes the rate of a chemical reaction; Itis not used up or affected by this reaction.
  7. A pure substance with only one kind of atom.
  8. A simple organic compound and a carbohydrate; It is important as a source of both energy and structure.
  9. The ability to do work; It drives both physical and chemical processes necessary for life.
  10. Molecules that have an uneven distribution of electrical charge; some regions are negative charge and others are positive.
  11. Contains the element Carbon and is a covalently bonded compound.
  12. The physical stuff that makes up the universe; occupies space and has mass.
  13. A class of organic compounds that serve as building blocks for information storage of DNA and RNA molecules; has three parts.

29 Clues: A pure substance with only one kind of atom. • A substance that produces Hydrogen ions (H+). • A pure substance made of two or more elements. • A substance that produces Hydroxide ions (OH-). • A naturally occurring catalyst; usually a protein. • The smallest particle of a covalently bonded compound. • The attraction between like particles within polar substances. • ...

Chemistry Crossword ErnaniA. 9B 2019-02-10

Chemistry Crossword ErnaniA. 9B crossword puzzle
Across
  1. A neutral particle in the nucleus of an atom.
  2. Ability of a substance to conduct electricity or heat.
  3. The most reactive non metals.
  4. Characteristics that describes a particular substance.
  5. change of state from a solid to a gas or from a gas to a solid.
  6. A table where elements are sorted by physical and chemical properties.
  7. When a pure substance formed when at least one metal and one non-metal combine.
  8. A combination of symbols that represent a compound, identifies what element and how much is in the compound.
  9. A cloudy mixture in which tiny particles can be separated out.
  10. A dull and brittle element that doesn't conduct electricity.
  11. A substance made up of only one type of atom.
  12. Chemical reaction that releases energy.
  13. Change of state from a liquid to a solid.
  14. Group 2 elements in the periodic table, their reactivity isn't as strong as Alkali Metals
  15. Chemical reaction that occurs when oxygen reacts with a substance to form a new substance.
  16. A positively charged particle in the nucleus of an atom.
  17. Mass of a substance that can dissolve in a given amount of solvent to make a saturated solution at a given temp.
  18. An element that has both metallic and nonmetallic properties.
  19. A reaction that takes place when two or more substances react to form new substances.
  20. Amount of mass in a given volume of a substance.
  21. description of a solid that can be stretched into a long wire.
  22. When a group of atoms acts like one.
Down
  1. Change of state from a liquid to a gas .
  2. Anything that has mass and occupies space.
  3. Change of state from a solid to a liquid
  4. Change of state from gas to solid.
  5. chemical combination of two or more elements in a specific ratio.
  6. change that results when two or more substances react to create a different substance or substances, the new substance would be completely different from the original.
  7. A mixture of two or more pure substances that looks like one substance.
  8. Chemical reaction that absorbs energy.
  9. A solution in which water is the solvent.
  10. property that describes physical appearance and composition of a substance.
  11. Shiny, malleable, ductile element that conducts electricity.
  12. A group of atoms joined together to make an object.
  13. Mixture in which the different substances that make up the mixture are visible.
  14. description of how a substance interacts with other substances. Only observable when chemical change occurs.
  15. Change of state, from gas to liquid.
  16. Atom that has become electrically charged because it has lost or gained electrons.
  17. The new substance produced in a chemical reaction between reactants.
  18. chemical reaction that takes place in cells.
  19. Change in the appearance or state of a substance that doesn't change the composition.
  20. Substance in a chemical reaction to make new substances with different qualities.
  21. The most stable and unreactive of the group 18 elements in the periodic table.
  22. slow chemical change that occurs when oxygen in the air reacts with a metal.
  23. Solid,liquid, gas, and plasma.
  24. Group 1 elements in the periodic table, the most reactive of the metals
  25. Description of a substance that can be pounded or rolled into sheets.
  26. Substance made of only one kind of matter.
  27. Combination of pure substances.
  28. A cloudy mixture which particles cannot be separated out from the other substance.

50 Clues: The most reactive non metals. • Solid,liquid, gas, and plasma. • Combination of pure substances. • Change of state from gas to solid. • Change of state, from gas to liquid. • When a group of atoms acts like one. • Chemical reaction that absorbs energy. • Chemical reaction that releases energy. • Change of state from a liquid to a gas . • ...

Chemistry 2024-10-10

Chemistry crossword puzzle
Across
  1. the study of the relationships between heat and other forms of energy within a system
  2. a chemical reaction where one element in a compound is replaced by another element
  3. the amount of product that is produced in a reaction
  4. a conductor through which electricity enters or leaves an object, substance, or region
  5. a theoretical gas that consistently obeys the gas laws
  6. the substance that dissolves in a solution
  7. substance that has neither a definite solid nor volume
  8. the formation of a salt in water
  9. a group of elements in group 18
  10. a substance that affects another
  11. a chemical reaction where one substance breaks apart into two or more different products
  12. substance that has a definite volume but not a definite shape
  13. an electron in the outermost shell
  14. a single atom that is not bonded to anything else
  15. particles with no charge
  16. a mixture that looks uniform when stirred or shaken but separates into different layers when allowed to settle
  17. a chemical reaction where the electrons transfer between two substances
  18. the amount of protons and neutrons in the nucleus
  19. a group of elements in period 7 that are mostly radioactive
  20. a substance that when dissolved in water, will conduct electricity
  21. a thermodynamic quantity equivalent to the total heat content of a system
  22. a group of reactive nonmetals in group 17
  23. substance that has a definite shape and volume
  24. the mass of one mole of units of a substance or grams/mole
  25. a bond where one atom donates electrons and the other accepts the electrons and a bond is formed by attraction between the newly formed ion
  26. a new substance formed in a chemical reaction
  27. a charged particle
  28. the SI base unit for the amount of substance
  29. a colloidal suspension containing small liquid or solid particles that are evenly spread throughout a gas
  30. a phase of matter
  31. the number of moles of a solute dissolved in a solution
  32. a substance that dissociates in water to produce hydrogen atoms
  33. a solid formed in a liquid after a chemical reaction
  34. a substance that can affect the rate of a chemical reaction without being changed itself
  35. a group of metals in groups 3 through group 12
  36. energy released through waves,particles, or rays
  37. a positively charged ion
  38. the process that occurs when more solvent is added to a fixed amount of solute
  39. a binary of oxygen with another element or group
  40. a colloidal suspension that is formed between two liquids
  41. a solution that contains less than the maximum amount of solute possible
  42. a pair that is not bonded
  43. the number of moles of solute dissolved in a solvent
  44. a measure of disorder within a syste
  45. a variant of an element that has different amounts of neutrons, but the same amount of protons
  46. a reaction that is indicated by an arrow pointing right to left
  47. a chemical reaction where two compounds react in an aqueous solution
  48. the possible location around a nucleus where the electrons could be found
  49. simplest form of a substance
  50. a horizontal row on the periodic table
  51. a bond that occurs when two atoms share four electrons
  52. Danish physicist who came up with the modern atomic model
  53. a reaction that occurs when the rate of forward reaction is equal to the rate of reverse reaction
  54. a blend of two or more substances together
  55. can act as both a base and an acid
  56. everything that exists
  57. a process during which substances are changed into one or more new substances
  58. reacting with oxygen
  59. a reactant that is used up first in a chemical reaction
  60. the amount of product that would be produced if the limiting reagent completely reacted
Down
  1. a vertical column of the periodic table
  2. a substance that is brittle, dull, and has poor conductivity
  3. substance where elements are united chemically in a fixed proportion
  4. the ratio of actual yield to theoretical yield
  5. a solution that contains the maximum amount of solute possible
  6. a negative ion
  7. the substance that dissolves a solute
  8. a reaction that absorbs heat
  9. an ion formed when two or more atoms join together
  10. a mathematical rule about how a gas will behave under certain conditions
  11. it determines the concentration of an unknown solution
  12. a reaction that is indicated by an arrow pointing from left to right
  13. a liquid mixture in which the minor component is uniformly distributed within the major componen
  14. particles with negative charges that orbit the nucleus
  15. a compound of hydrogen and carbon
  16. a weaker intramolecular force
  17. the branch of chemistry that deals with the speed or rate of chemical reactions
  18. a colloidal suspension that is formed when multiple gas particles are trapped in a liquid or solid
  19. the smallest unit of matter
  20. a reactant that is left over when the limiting reagent is gone
  21. a solution that holds more solute than is normally possible in a saturated solution
  22. the body of delocalized electrons that surround cations
  23. Where the neutrons and protons are located
  24. elements must combine in such a way that each atom has eight electrons in all of its shells
  25. a combination of two substances, where the molecules of one substance are much larger than those of another substance but they are still evenly distributed throughout
  26. a group of reactive metals in group 1
  27. the tendency of an atom to attract electrons in a chemical bond
  28. a positively charged electrode
  29. the reaction will happen
  30. a group of atoms bonded together
  31. the process of measuring the amount of heat released or absorbed during a chemical reaction
  32. a small difference in the charges of atoms
  33. the symbolic representation of a chemical reaction
  34. it tells the amount of solute that is dissolved in the solvent
  35. a substance that is a solid, ductile, lustrous, and a conductor
  36. the calculation of reactants and products in a chemical reaction
  37. a group of reactive metals in group 2
  38. an advanced algebra function called the "p-function" which means, "take the negative of the base ten algorithm
  39. a physical property of the compound that determines the other physical properties of a compound
  40. substances that have both properties of metals and nonmetals
  41. particle with positive charge
  42. a negatively charged electrode
  43. a reaction that produces heat
  44. a group of elements in period 6 that have similar properties to lanthanum
  45. the amount of protons in the nucleus
  46. the change in concentration of the reactant or product over time
  47. the study of the heat change in a chemical reaction
  48. the capacity to do work
  49. a bond where atoms are connected via a sea of electrons
  50. two atoms of the same element bonded together
  51. a substance that dissociates in water to produce hydroxide ions
  52. the concentration of the hydroxide ions
  53. a colloidal suspension with solid particles in a liquid

113 Clues: a negative ion • a phase of matter • a charged particle • reacting with oxygen • everything that exists • the capacity to do work • particles with no charge • the reaction will happen • a positively charged ion • a pair that is not bonded • the smallest unit of matter • a reaction that absorbs heat • simplest form of a substance • a weaker intramolecular force • ...

CROSSWORD PUZZLE FOR ALCOHOLS, THIOLS AND ETHERS 2022-11-02

CROSSWORD PUZZLE FOR ALCOHOLS, THIOLS AND ETHERS crossword puzzle
Across
  1. molecules with the same molecular formula but have different structures
  2. alkanes that contain a ring of three or more carbons
  3. double bond between carbon atoms
  4. what is the principle element of organic compounds?
  5. class of organic compounds that contain an oxygen between two alkyl groups
  6. type of bond polarity where two elements on right side (both nonmetals) of periodic table
  7. type of chemical reaction in which a pair of atoms or groups of atoms are removed from a molecule
  8. organic compound with a hydroxyl (OH) functional group on an aliphatic carbon atom
  9. an atom or group of atoms attached to a chain (or ring) of carbon atoms
  10. type of geometric diastereomer that has functional groups on opposite sides of double bonds
  11. unsymmetrical addition reaction that refers to the addition of water
  12. type of chemistry that studies the compounds of carbon
  13. for an element to become stable, it must have eight electrons
  14. type of reaction wherein the carbon skeleton of a molecule is rearranged to give a structural isomer of the original molecule.
Down
  1. type of chemical reaction where atoms or groups of atoms are added to each carbon atom of multiple bonds
  2. type of organic compound whose molecules contain a benzene ring
  3. type of geometric diastereomer that has the functional group at the same side of double bonds
  4. the distribution of electrical charge over the atoms joined by the bond
  5. covalent bonds occur between two?
  6. for an element to become stable, it must have eight electrons
  7. class of organic chemical compounds containing a sulfur atom in place of the oxygen atom
  8. type of configurational diastereomer that is cyclic and formed when ring closes at an epimeric carbon
  9. difference in arrangement of electrons for benzene structures
  10. triple bond between carbon atoms
  11. group of atoms with characteristic chemical behavior
  12. number of electrons carbon has
  13. reaction in which the functional group of one chemical compound is substituted by another group
  14. single bond between carbon atoms
  15. state of an atom with four electrons available for covalent chemical bonding in its valence

29 Clues: number of electrons carbon has • double bond between carbon atoms • triple bond between carbon atoms • single bond between carbon atoms • covalent bonds occur between two? • what is the principle element of organic compounds? • alkanes that contain a ring of three or more carbons • group of atoms with characteristic chemical behavior • ...

Chemistry Review 2023-05-01

Chemistry Review crossword puzzle
Across
  1. negative value for H
  2. positive subatomic particle
  3. used to quantify the heat flow into or out of a system
  4. electrons are arranged in a "sea of electrons"
  5. a chemical geometry with a 180 degree angle
  6. type of radiation that is pure energy
  7. the weakest of the intermolecular forces
  8. unit of pressure
  9. the capacity to do work
  10. the rows of the periodic table
  11. type of chemical reaction in which one product is formed
  12. 1s2 2s2 2p6 3s2 3p6 4s2 3d6
  13. gas law that related pressure, volume, temperature, and amount of a gas
  14. bond between a nonmetal and a nonmetal
  15. credited for the Atomic Theory of Atoms
  16. the unit of energy, heat, or work
  17. type of chemical reaction in which water and carbon dioxide are products
  18. used to measure volume of a liquid
  19. most electronegative element
Down
  1. the bond that holds two molecules together
  2. first part of the atom to be discovered
  3. unit of temperature
  4. electron geometry of methane
  5. group 1 of the periodic table
  6. studies the rate at which a chemical reaction occurs
  7. happens when there are too many protons in the nucleus and neutrons cannot hold them in
  8. a metal that is a liquid at room temperature
  9. ionic, covalent, or metallic bond
  10. a force between H and N,O, or F
  11. the study of heat released or required by a chemical reaction
  12. mass divided by volume
  13. created the "Nuclear" model of the atom, after the gold foil experiment
  14. a unit to measure concentration
  15. created the "Plum Pudding" model of the atom
  16. group 7 on the periodic table
  17. type of replacement reaction where one element "trades places" with an element in a compound
  18. Valence shell electron pair repulsion
  19. result of an electronegativity difference greater than 0.3
  20. bond between a metal and a nonmetal
  21. 1s2 2s2 2p6 3s2 3p6 4s2

40 Clues: unit of pressure • unit of temperature • negative value for H • mass divided by volume • the capacity to do work • 1s2 2s2 2p6 3s2 3p6 4s2 • positive subatomic particle • 1s2 2s2 2p6 3s2 3p6 4s2 3d6 • electron geometry of methane • most electronegative element • group 1 of the periodic table • group 7 on the periodic table • the rows of the periodic table • ...

Unit 4 Vocabulary 2022-11-03

Unit 4 Vocabulary crossword puzzle
Across
  1. A substance that enters into a chemical reaction.
  2. A pure substance that cannot be broken down into other substances by chemical or physical means.
  3. A change in which one or more substances combine or break apart to form new substances.
  4. The process by which molecules at the surface of a liquid absorbs enough energy to change to a gas.
  5. The result of an inward pulling among the molecules of a liquid that brings the molecules on the surface closer together; causes the surface to act as if it has a think skin.
  6. 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.
  7. Small, positively charged particles that are found in the nucleus of an atom.
  8. A tiny, electrically charged particle that moves around the outside of the nucleus of an atom.
Down
  1. A change that alters the form or appearance of a material but does not make the material into another substance.
  2. A small particle in the nucleus of the atom with no electrical charge.
  3. A neutral group of two or more atoms held together by covalent bonds.
  4. The force of attraction that holds two atoms together.
  5. The basic particle from which all elements are made.
  6. A short, easy way to show a chemical reaction, using symbols.
  7. A substance formed as a result of a chemical reaction.
  8. A reaction that releases energy , usually in the form of heat.
  9. The change in state from a gas to a liquid.
  10. A substance made of two or more elements chemically combined in a specific ratio or proportion.
  11. The amount of heat required to raise the temperature of 1 kilogram of material by 1 Kelvin; which is equivalent to 1 degree Celsius.
  12. The part of a solution that is usually present in the largest amount and dissolves the solute.

20 Clues: The change in state from a gas to a liquid. • A substance that enters into a chemical reaction. • The basic particle from which all elements are made. • The force of attraction that holds two atoms together. • A substance formed as a result of a chemical reaction. • A short, easy way to show a chemical reaction, using symbols. • ...

Biochemistry 2016-10-21

Biochemistry crossword puzzle
Across
  1. Breaking down complex molecules (polymers) by the chemical addition of water. Used in digestion
  2. "Compound containing carbon, hydrogen, and oxygen in the approximate ratio of C:2H:O
  3. Water-fearing"; pertaining to nonpolar molecules (or parts of molecules) that do not dissolve in water
  4. Monomer of nucleic acids made up of a 5-carbon sugar, a phosphate group, and a nitrogenous base
  5. compound a covalently bonded compound that contains carbon
  6. A substance that speeds up the rate of a chemical reaction
  7. energy The minimum amount of energy needed to start a chemical reaction
  8. Class of nutrients made up of amino acids. They are needed to build and repair body structures, and to regulate processes in the body
  9. A molecule of any compound that can react with other molecules of the same or different compound
Down
  1. A large molecule composed of repeating structural units
  2. "water-loving"; pertaining to polar or charged molecules (or parts of molecules) that are soluble in water
  3. acid A biological macro-molecule (DNA or RNA) composed of the elements C, H, N, O, and P that carries genetic information.
  4. Bond created by the weak attraction of a slightly positive hydrogen atom to a slightly negative portion of another molecule
  5. A very large molecule (as of a protein, nucleic acid, or carbohydrate) built up from smaller chemical structures
  6. A protein that makes a reaction happen QUICKER; decreases activation energy of a reaction.
  7. a simple carbohydrate molecule
  8. synthesis A chemical reaction in which two molecules covalently bond to each other with the removal of a water molecule
  9. Attraction between molecules of the same substance
  10. a large carbohydrate molecule
  11. An attraction between molecules of different substances
  12. Organic molecules made of carbon, hydrogen, and oxygen and store food energy until needed (Fats)
  13. acid Building blocks of protein

22 Clues: a large carbohydrate molecule • a simple carbohydrate molecule • acid Building blocks of protein • Attraction between molecules of the same substance • A large molecule composed of repeating structural units • An attraction between molecules of different substances • A substance that speeds up the rate of a chemical reaction • ...

Emily Lahr - 2.1 Vocab 2021-10-26

Emily Lahr - 2.1 Vocab crossword puzzle
Across
  1. A chemical reaction
  2. The substances that are formed during a chemical reaction
  3. A chemical reaction that gives off heat
  4. A change in matter
  5. A chemical change; a process that changes substances
Down
  1. Material that has mass
  2. A chemical reaction that absorbs heat
  3. The substances present before a chemical reaction occurs

8 Clues: A change in matter • A chemical reaction • Material that has mass • A chemical reaction that absorbs heat • A chemical reaction that gives off heat • A chemical change; a process that changes substances • The substances present before a chemical reaction occurs • The substances that are formed during a chemical reaction

Chapter 11 Vocabulary Test: Properties /Changes in Matter 2024-01-24

Chapter 11 Vocabulary Test: Properties /Changes in Matter crossword puzzle
Across
  1. The properties of a substance become different
  2. A characteristic of matter that can be observed and measured without changing the matter
  3. Chemical reactions that release energy
  4. Ability to burn or ignite
  5. A measure of mass per unit of volume, of how closely the particles in an object are packed together
  6. Something that increases the rate of a chemical reaction
  7. The behavior of a substance when it undergoes a chemical change or reaction
  8. Substances used in chemical reactions that are changed into something else
  9. The amount of matter in an object
  10. When a solid spreads and mixes evenly into a liquid
Down
  1. These describe chemical reactions
  2. The temperature at which boiling occurs in a liquid
  3. The measure of power
  4. States that wnenever a chemical change occurs, the total mass of substance in a chemical reacton remains the same throughout the change
  5. The ability of matter to undergo chemical reactions with other kinds of matter
  6. The amount of space that matter occupies
  7. The temperature at which a solid becomes a liquid
  8. When two or more kinds of matter interact
  9. The change of state when a solid changes directly into a gas
  10. The volume of fluid that is pushed aside by an object
  11. The type of change when matter forms new substances with differenct physical and chemical properties from the original matter
  12. The weakening of metals caused by chemical action
  13. New substances produced during a chemical change
  14. Chemical reactions that absorb energy

24 Clues: The measure of power • Ability to burn or ignite • These describe chemical reactions • The amount of matter in an object • Chemical reactions that absorb energy • Chemical reactions that release energy • The amount of space that matter occupies • When two or more kinds of matter interact • The properties of a substance become different • ...

Blue Book Revew Modules 1-7 2025-11-16

Blue Book Revew Modules 1-7 crossword puzzle
Across
  1. a well-tested explanation of a phenomenon in the natural world
  2. _____ = mass/volume
  3. A possible, testable explanation, educated guess
  4. ______ number= the number of protons in an atom
  5. a push or pull that acts on an object
  6. a point against which motion is measured
  7. these compounds are made of only two elements
  8. the state of matter in which a substance has a definite volume
  9. the substance in a solution that gets dissolved
  10. the change in an objects velocity over time
Down
  1. substances that undergo a chemical change
  2. the smallest unit of a chemical compound, composed of two or more atoms bonded together
  3. the smallest chemical unit of an experiment
  4. The gathering of information using senses or instruments
  5. this reaction type absorbs energy from its surroundings
  6. for every action there is an _____ and opposite reaction
  7. this energy type is stored in chemical bonds
  8. A factor that can change in an experiment

18 Clues: _____ = mass/volume • a push or pull that acts on an object • a point against which motion is measured • substances that undergo a chemical change • A factor that can change in an experiment • the smallest chemical unit of an experiment • the change in an objects velocity over time • this energy type is stored in chemical bonds • ...

Physical and Chemical Change 2019-11-07

Physical and Chemical Change crossword puzzle
Across
  1. A solid formed during a chemical change
  2. A simple chemical equation where chemicals are represented by their names
  3. A chemcial reaction that converts oxygen and glucose into water and carbon dioxide while releasing energy.
  4. A change of state where a gas is cooled and forms a liquid
  5. The change of state when a solid is heated and forms a liquid
  6. A change that results in a new substance being formed
  7. The substances formed in chemical reactions
  8. A decrease in size
  9. Evaporation of solvent from a solution to leave solute behind as crystals
  10. Any chemical reaction where a substance burns in oxygen to produce light and heat
  11. A gradual erosion of rocks and buildings that occurs when limestone and marble react chemically with the carbonic acid in rainwater
  12. A change of state where a liquid is heated and changes to a gas within the liquid
  13. The starting substances in chemical reactions
Down
  1. The chemical reaction in plants that converts carbon dioxide and water into oxygen and glucose using energy from the sun
  2. An increase in size
  3. A change of state from solid to gas
  4. The process of rearranging atoms in substances to form different substances
  5. A change that does not result in a new substance being produced
  6. A change of state from gas to solid
  7. A change of state where a liquid changes to a gas at the surface of the liquid
  8. The change of state from liquid to solid

21 Clues: A decrease in size • An increase in size • A change of state from solid to gas • A change of state from gas to solid • A solid formed during a chemical change • The change of state from liquid to solid • The substances formed in chemical reactions • The starting substances in chemical reactions • A change that results in a new substance being formed • ...

Physical and Chemical Change 2019-11-07

Physical and Chemical Change crossword puzzle
Across
  1. A solid formed during a chemical change
  2. The substances formed in chemical reactions
  3. The change of state when a solid is heated and forms a liquid
  4. A gradual erosion of rocks and buildings that occurs when limestone and marble react chemically with the carbonic acid in rainwater
  5. The change of state from liquid to solid
  6. A change that results in a new substance being formed
  7. A simple chemical equation where chemicals are represented by their names
  8. A change of state from solid to gas
  9. A decrease in size
  10. The chemical reaction in plants that converts carbon dioxide and water into oxygen and glucose using energy from the sun
  11. The starting substances in chemical reactions
Down
  1. A change of state from gas to solid
  2. A change of state where a gas is cooled and forms a liquid
  3. Evaporation of solvent from a solution to leave solute behind as crystals
  4. An increase in size
  5. A change that does not result in a new substance being produced
  6. The process of rearranging atoms in substances to form different substances
  7. A change of state where a liquid changes to a gas at the surface of the liquid
  8. Any chemical reaction where a substance burns in oxygen to produce light and heat
  9. A change of state where a liquid is heated and changes to a gas within the liquid
  10. A chemcial reaction that converts oxygen and glucose into water and carbon dioxide while releasing energy.

21 Clues: A decrease in size • An increase in size • A change of state from gas to solid • A change of state from solid to gas • A solid formed during a chemical change • The change of state from liquid to solid • The substances formed in chemical reactions • The starting substances in chemical reactions • A change that results in a new substance being formed • ...

Chemical equation and reaction 2024-05-06

Chemical equation and reaction crossword puzzle
Across
  1. respiration is a ________ reaction
  2. reaction in which heat is released
  3. process of losing oxygen
  4. hydrogen and oxygen combine to form
  5. the word _____ is written if reactant or product is present as a solution in water
  6. process of gaining oxygen
  7. insoluble substance formed during a reaction
Down
  1. reaction in which heat and energy is absorbed
  2. process when fat and oil get oxidized and their smell and taste change
  3. when 2 reactant combine to form a single product
  4. reaction can also be termed a thermal decomposition
  5. slaked lime is used for ________
  6. heat is represented by which shape in a a reaction
  7. when metal is attacked by substance around it like moisture its said to be
  8. precipitate reaction produce ______ salts

15 Clues: process of losing oxygen • process of gaining oxygen • slaked lime is used for ________ • respiration is a ________ reaction • reaction in which heat is released • hydrogen and oxygen combine to form • precipitate reaction produce ______ salts • insoluble substance formed during a reaction • reaction in which heat and energy is absorbed • ...

Chapter 12 Vocab 2014-02-12

Chapter 12 Vocab crossword puzzle
Across
  1. The smallest chemical components of an element; structures that make up the element and have the same properties of the element.
  2. Liquids that are mutually soluble, meaning that they can be mixed together to form stable solutions.
  3. Chemical reaction that combines a substance with oxygen to produce an oxide.
  4. Unstable physical mixtures of undissolved particles in a liquid.
  5. Chemistry Study of substances containing carbon.
  6. The process through which oxygen is subtracted from or hydrogen is added to a substance through a chemical reaction.
  7. Molecule A chemical combination of two or more atoms of different elements in fixed proportions.
  8. change A change in the chemical composition of makeup of a substance.
  9. Rapid oxidation of a substance, accompanied by the production of heat and light.
Down
  1. An unstable physical mixture of two or more immiscible substances plus a special ingredient called an emulsifier.
  2. A stable mixture of two or more substances.
  3. Liquids that are not capable of being mixed together to form stable solutions.
  4. science that deals with composition, structures, and properties of matter, and how matter changes under different conditions.
  5. Chemistry The study of substances that do not contain the element carbon, but may contain the element hydrogen.
  6. Any substance that occupies space and has mass.
  7. Molecule molecule containing two or more atoms of the same element in definite proportions.
  8. Change A change in the form of physical properties of a substance, without a chemical reactions of the creation of a new substance.
  9. A chemical reaction in which the oxidizing agent is reduced and the reducing agent is oxidized.
  10. A contraction of surface active agents; substances that allow oil and water to mix, or emulsify.
  11. substance A chemical combination of matter in definite proportions.
  12. A chemical combination of two or more atoms in definite proportions.
  13. The substance that dissolves the solute and makes a solution.

22 Clues: A stable mixture of two or more substances. • Any substance that occupies space and has mass. • Chemistry Study of substances containing carbon. • The substance that dissolves the solute and makes a solution. • Unstable physical mixtures of undissolved particles in a liquid. • substance A chemical combination of matter in definite proportions. • ...

Unit 4 Review 1 2024-11-25

Unit 4 Review 1 crossword puzzle
Across
  1. What bonds do during an exothermic reaction
  2. To take in or soak up energy.
  3. A reaction that absorbs heat from its surroundings.
  4. What bonds do during an endothermic reaction.
  5. Energy transferred between objects due to temperature difference.
  6. A process in which substances change into new substances.
Down
  1. To give off energy or heat.
  2. Substances formed as a result of a chemical reaction.
  3. A reaction that releases heat into its surroundings.
  4. Substances that start a chemical reaction.
  5. A connection between atoms in a molecule.

11 Clues: To give off energy or heat. • To take in or soak up energy. • A connection between atoms in a molecule. • Substances that start a chemical reaction. • What bonds do during an exothermic reaction • What bonds do during an endothermic reaction. • A reaction that absorbs heat from its surroundings. • A reaction that releases heat into its surroundings. • ...

Vocab 2021-09-28

Vocab crossword puzzle
Across
  1. the minimum quantity of energy which the reacting species must possess in order to undergo a specified reaction.
  2. a measure of how acidic/basic water is
  3. a molecule in which one end of the molecule is slightly positive, while the other end is slightly negative.
  4. the minor component in a solution, dissolved in the solvent.
  5. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
  6. able to dissolve other substances.
  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 surface on which an organism lives.
  9. proteins that help speed up metabolism
Down
  1. Where the substrate binds together.
  2. organic substances that maintain a constant pH over a given range by neutralizing the effects of hydrogen ions
  3. a substance made by mixing other substances together.
  4. a chemical substance formed as a result of a chemical reaction
  5. a substance that can neutralize the acid by reacting with hydrogen ions
  6. a liquid mixture in which the minor component (the solute) is uniformly distributed within the major component (the solvent).
  7. a weak bond between two molecules resulting from an electrostatic attraction between a proton in one molecule and an electronegative atom in the other.
  8. a chemical substance that neutralizes alkalis, dissolves some metals, and turns litmus red

17 Clues: able to dissolve other substances. • Where the substrate binds together. • a measure of how acidic/basic water is • proteins that help speed up metabolism • the surface on which an organism lives. • a substance made by mixing other substances together. • the minor component in a solution, dissolved in the solvent. • ...

Cross word 2024-12-02

Cross word crossword puzzle
Across
  1. reaction- A chemical reaction that releases thermal energy.
  2. a substance or molecule that participates in a chemical reaction
  3. Known as the "Middle life" around 252 to 66 million years ago.
Down
  1. A chemical reaction that absorbs energy from it's enviorment
  2. A substance or molecule that forms in a chemical reaction.
  3. the mostly solid bulk of Earth's interior.
  4. water or the amount of water that falls to the earth as hail, mist, rain, sleet, or snow.
  5. any of the large bodies that revolve around the Sun in the solar system
  6. reaction- A process that occurs when two or more molecule interact to form new molecules
  7. The central or innermost portion of the Earth, lying below the mantle and probably consisting of iron and nickel.

10 Clues: the mostly solid bulk of Earth's interior. • A substance or molecule that forms in a chemical reaction. • reaction- A chemical reaction that releases thermal energy. • A chemical reaction that absorbs energy from it's enviorment • Known as the "Middle life" around 252 to 66 million years ago. • a substance or molecule that participates in a chemical reaction • ...

Evidence of Chemical Changes 2025-09-21

Evidence of Chemical Changes crossword puzzle
Across
  1. When a reaction absorbs heat and becomes cooler than the surrounding area
  2. A new substance that is created by the rearranging of atoms after a chemical reaction
  3. When a substance undergoes a change in appearance, but a new substance is not created
  4. An element or compound that exists prior to a chemical reaction
  5. When elements or compounds combine to create new substances
Down
  1. the symbol in a chemical reaction that shows the passage of time
  2. Insoluble solids that emerge out of a liquid solution during a chemical reaction
  3. When a reaction emits heat and becomes warmer than the surrounding area
  4. A sign of a chemical change; can be in the form of light or heat
  5. Does not dissolve in liquid

10 Clues: Does not dissolve in liquid • When elements or compounds combine to create new substances • An element or compound that exists prior to a chemical reaction • the symbol in a chemical reaction that shows the passage of time • A sign of a chemical change; can be in the form of light or heat • When a reaction emits heat and becomes warmer than the surrounding area • ...

chemistry lab 2014-11-08

chemistry lab crossword puzzle
Across
  1. positively charged center of an atom
  2. description of a solid that can be stretched into a long wire
  3. slow chemical change that occurs when oxygen in air reacts with metals
  4. Change a change in where 2 or more substances react to create a new substance with completely different properties
  5. vertical column of elements in the periodic table
  6. Metals group 1 in the periodic table, not including hydrogen
  7. dull, brittle element that does not conduct electricity
  8. Solution a solution in which water is the solvent
  9. Formula combination of symbols that represent a compound
  10. Number number of protons in the nucleus of one atom of an element
  11. change of state from a solid to a liquid
  12. Gases group 18 in the periodic table
  13. combination of pure substances
  14. an atom that has become electrically charged
  15. System an experiment in which all reactants and all products of a chemical reaction are accounted for
Down
  1. amount of mass in a given volume of a substance
  2. anything that has mass and occupies space
  3. change of state from a gas to a solid
  4. substance that helps a chemical reaction to proceed more quickly
  5. chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
  6. description of a substance that can be rolled or pounded into sheets
  7. group 17 in the periodic table of elements
  8. chemical combination of two or more elements in a specific ratio
  9. pure substance made up of only one type atom
  10. Mass mass of one element of an atom

25 Clues: combination of pure substances • positively charged center of an atom • Mass mass of one element of an atom • Gases group 18 in the periodic table • change of state from a gas to a solid • change of state from a solid to a liquid • anything that has mass and occupies space • group 17 in the periodic table of elements • pure substance made up of only one type atom • ...

Physical and Chemical Change 2019-11-07

Physical and Chemical Change crossword puzzle
Across
  1. The change of state from liquid to solid
  2. The process of rearranging atoms in substances to form different substances
  3. The chemical reaction in plants that converts carbon dioxide and water into oxygen and glucose using energy from the sun
  4. A simple chemical equation where chemicals are represented by their names
  5. A decrease in size
  6. A chemcial reaction that converts oxygen and glucose into water and carbon dioxide while releasing energy.
  7. A change that does not result in a new substance being produced
  8. A change of state from solid to gas
  9. A change of state where a liquid is heated and changes to a gas within the liquid
Down
  1. Evaporation of solvent from a solution to leave solute behind as crystals
  2. The change of state when a solid is heated and forms a liquid
  3. The substances formed in chemical reactions
  4. A gradual erosion of rocks and buildings that occurs when limestone and marble react chemically with the carbonic acid in rainwater
  5. An increase in size
  6. A change of state where a gas is cooled and forms a liquid
  7. A change that results in a new substance being formed
  8. The starting substances in chemical reactions
  9. A solid formed during a chemical change
  10. A change of state where a liquid changes to a gas at the surface of the liquid
  11. A change of state from gas to solid
  12. Any chemical reaction where a substance burns in oxygen to produce light and heat

21 Clues: A decrease in size • An increase in size • A change of state from gas to solid • A change of state from solid to gas • A solid formed during a chemical change • The change of state from liquid to solid • The substances formed in chemical reactions • The starting substances in chemical reactions • A change that results in a new substance being formed • ...

Physical and Chemical Change 2019-11-07

Physical and Chemical Change crossword puzzle
Across
  1. The starting substances in chemical reactions
  2. A change that results in a new substance being formed
  3. A gradual erosion of rocks and buildings that occurs when limestone and marble react chemically with the carbonic acid in rainwater
  4. Evaporation of solvent from a solution to leave solute behind as crystals
  5. A change of state where a liquid changes to a gas at the surface of the liquid
  6. A change of state where a gas is cooled and forms a liquid
  7. A change of state where a liquid is heated and changes to a gas within the liquid
  8. A decrease in size
  9. Any chemical reaction where a substance burns in oxygen to produce light and heat
Down
  1. A change of state from gas to solid
  2. The change of state from liquid to solid
  3. A change that does not result in a new substance being produced
  4. The process of rearranging atoms in substances to form different substances
  5. A change of state from solid to gas
  6. A simple chemical equation where chemicals are represented by their names
  7. A solid formed during a chemical change
  8. A chemcial reaction that converts oxygen and glucose into water and carbon dioxide while releasing energy.
  9. The chemical reaction in plants that converts carbon dioxide and water into oxygen and glucose using energy from the sun
  10. An increase in size
  11. The change of state when a solid is heated and forms a liquid
  12. The substances formed in chemical reactions

21 Clues: A decrease in size • An increase in size • A change of state from gas to solid • A change of state from solid to gas • A solid formed during a chemical change • The change of state from liquid to solid • The substances formed in chemical reactions • The starting substances in chemical reactions • A change that results in a new substance being formed • ...

Chemistry - Back From Winter Break Recap 2026-01-09

Chemistry - Back From Winter Break Recap crossword puzzle
Across
  1. The elements/compounds on the left side of the chemical reaction equation
  2. When all your elements/compounds are "happy"
  3. This reaction occurs when...Carbon, Hydrogen, and Oxygen --> H2O + CO2
  4. The name of the best cat in the world
  5. Your favorite teacher
Down
  1. State of balance
  2. This reaction occurs when...element + element --> compound
  3. This reaction occurs when...compound --> element + element
  4. The elements/compounds on the right side of the chemical reaction equation
  5. Elements to the right of the "staircase"
  6. A compound that shares electrons
  7. Elements to the left of the "staircase"
  8. A compound that gives/receives electrons

13 Clues: State of balance • Your favorite teacher • A compound that shares electrons • The name of the best cat in the world • Elements to the left of the "staircase" • Elements to the right of the "staircase" • A compound that gives/receives electrons • When all your elements/compounds are "happy" • This reaction occurs when...element + element --> compound • ...

CW-PC Prop & Changes 2025-01-13

CW-PC Prop & Changes crossword puzzle
Across
  1. Mass is not created or destroyed…it only changes forms
  2. Descriptive adjectives and measurements done without changing the samples composition
  3. Chemical bonds between atoms are broken or formed creating new substances with different properties
  4. Cannot change back; Ex. explosion or fire
  5. Right of arrow; produced at the end of the reaction
Down
  1. Has the possibility of a chemical reaction Ex. my bike can rust
  2. Change in size, shape, or state of matter; “it still is…” or “Change it back”
  3. Changes in temperature, sound, or light
  4. Solid that forms from a solution Ex. Milk & vinegar = cottage cheese
  5. No reaction
  6. Left of arrow; present at the start of the reaction
  7. yields (-->) in chemical reaction; means “reacts to produce”

12 Clues: No reaction • Changes in temperature, sound, or light • Cannot change back; Ex. explosion or fire • Left of arrow; present at the start of the reaction • Right of arrow; produced at the end of the reaction • Mass is not created or destroyed…it only changes forms • yields (-->) in chemical reaction; means “reacts to produce” • ...

Mini-Plenary: rates of reaction crossword 2019-05-11

Mini-Plenary: rates of reaction crossword crossword puzzle
Across
  1. These are the molecules that form in a chemical reaction.
  2. Increasing the ____________ of reactants, will mean there are more molecules to collide into each other.
  3. These are molecules that react together in a chemical reaction.
  4. As temperature increases, reacts have more ______ energy to collide into one another.
  5. To increase the rate of a chemical reaction, brake the reactants up into _______ pieces. This increases the surface area.
  6. A high ________, will increase the rate of reaction.
Down
  1. _________ energy is the minimum energy required for a reaction to occur.
  2. In order for molecules to react, they must ______.
  3. A large surface area of reacts, would ______ the reaction time.
  4. A ________ is something that speeds up a chemical reaction without being used up itself.

10 Clues: In order for molecules to react, they must ______. • A high ________, will increase the rate of reaction. • These are the molecules that form in a chemical reaction. • A large surface area of reacts, would ______ the reaction time. • These are molecules that react together in a chemical reaction. • ...

My Science Tools !! 2022-12-13

My Science Tools !! crossword puzzle
Across
  1. site where a substrate binds and chemical reaction occurs.
  2. negatively charged particle.
  3. the molecule that the enzyme reacts with.
  4. a liquid that is able to dissolve a solid.
  5. a substance that is dissolved in a solution.
  6. the membrane enclosed organelle within a cell.
  7. electrons are not shared evenly over the covalent bond.
  8. a state of balance among all the body systems needed for the body to survive and function correctly.
  9. bond common type of chemical bond in organisms.
  10. a fundamental item that can't be easily broken into smaller pieces.
  11. bond a chemical bond formed when one or more electrons to another atom.
  12. is a particle of matter that uniquely defines a chemical element.
Down
  1. made up of one or more atoms.
  2. bond formed by equal sharing of electron.
  3. one or two more atoms with the same atomic number.
  4. chemical elements combined in a fixed ratio.
  5. mixture of solvent and solute molecules.
  6. a subatomic particle found in the nucleus of every atom expect that of simple hydrogen.
  7. energy the minimum amount of extra energy required by a reacting molecule to get converted into product.
  8. reaction breaking chemical bonds between reactants molecules and forming new bonds.

20 Clues: negatively charged particle. • made up of one or more atoms. • mixture of solvent and solute molecules. • bond formed by equal sharing of electron. • the molecule that the enzyme reacts with. • a liquid that is able to dissolve a solid. • chemical elements combined in a fixed ratio. • a substance that is dissolved in a solution. • ...

Chemistry Puzzle 2022-01-28

Chemistry Puzzle crossword puzzle
Across
  1. another word for atomic mass
  2. a chemical bond of only one type of element
  3. the smallest unit of mass
  4. a unit of atoms, compounds, elements or other pieces of matter
  5. a reaction that produces CO2 and H2O
  6. a reaction where atoms switch places
Down
  1. a reaction where atoms fall away from one another
  2. a reaction where atoms bind together
  3. a row in the periodic table
  4. notation that tells you how many of an element or compound there is
  5. a chemical bond of multiple types of atoms
  6. a chemical bond of multiple atoms (can be the same)

12 Clues: the smallest unit of mass • a row in the periodic table • another word for atomic mass • a reaction where atoms bind together • a reaction that produces CO2 and H2O • a reaction where atoms switch places • a chemical bond of multiple types of atoms • a chemical bond of only one type of element • a reaction where atoms fall away from one another • ...

Science T2 Recap 2025-06-16

Science T2 Recap crossword puzzle
Across
  1. Reaction where two or more substances combine to form one product
  2. Reaction where one compound breaks down into simpler substances
  3. A chemical reaction that produces heat and light
  4. Arrangement of electrons in an atom
  5. Gas essential for combustion to occur
Down
  1. A process in which substances change into new substances
  2. Negatively charged particle in an atom
  3. A pure substance made of only one kind of atom
  4. Substance formed as a result of a chemical reaction
  5. The loss of electrons in a chemical reaction

10 Clues: Arrangement of electrons in an atom • Gas essential for combustion to occur • Negatively charged particle in an atom • The loss of electrons in a chemical reaction • A pure substance made of only one kind of atom • A chemical reaction that produces heat and light • Substance formed as a result of a chemical reaction • ...

Crossword on organic reactions 2021-02-05

Crossword on organic reactions crossword puzzle
Across
  1. The simplest reaction in which two or more molecules join to form a bigger one.
  2. These are mirror images of each other but are not identical to each other.
  3. This is a reaction where the results is one pi bond being converted into a sigma pond or the other way round.
  4. When energy is absorbed from the surroundings into a system, which causes the standard enthalpy change to a positive value.
  5. This is a thermodynamic quantity in which is a measure of the degree of disorder within any given system.
  6. When energy is transferred to the surroundings resulting in the standard enthalpy change to be a negative value.
  7. A substance which speeds up reactions when added.
  8. A chemical reaction between an acid and a base.
  9. This is when one functional group in a chemical compound is replaced by another functional group.
  10. This happens when a molecule rearranges itself to form one or more products.
  11. This is a process that increases the co ordination number and oxidative state of a metal centre
Down
  1. A chemical species that forms bonds with nucleophiles by accepting an electron pair.
  2. This is when two substituents are removed from a molecule by a one or two step mechanism.
  3. This reaction includes a transfer of electrons between two species.
  4. A broad type of reaction when the carbon skeleton of a molecule is changed to give a structural isomer of the initial molecule.
  5. This is the lowest amount of energy required to make the atoms or molecules undergo chemical reactions.
  6. Any chemical reactions which include free moving radicals.
  7. This is the phase in which both reactants and products are present in concentrations that do not have any further tendency to change over time, so that there is no apparent change in the system's properties.
  8. An object or molecule does not possess symmetry.
  9. This is caused in the form of light by absorption of heat.
  10. This is a chemical species which provides electrons to form a covalent bond.

21 Clues: A chemical reaction between an acid and a base. • An object or molecule does not possess symmetry. • A substance which speeds up reactions when added. • Any chemical reactions which include free moving radicals. • This is caused in the form of light by absorption of heat. • This reaction includes a transfer of electrons between two species. • ...

CROSSWORD PUZZLE FOR ALCOHOLS, THIOLS AND ETHERS 2022-11-02

CROSSWORD PUZZLE FOR ALCOHOLS, THIOLS AND ETHERS crossword puzzle
Across
  1. class of organic compounds that contain an oxygen between two alkyl groups
  2. reaction in which the functional group of one chemical compound is substituted by another group
  3. group of atoms with characteristic chemical behavior
  4. difference in arrangement of electrons for benzene structures
  5. unsymmetrical addition reaction that refers to the addition of water
  6. class of organic chemical compounds containing a sulfur atom in place of the oxygen atom
  7. double bond between carbon atoms
  8. triple bond between carbon atoms
  9. type of bond polarity where two elements on right side (both nonmetals) of periodic table
  10. state of an atom with four electrons available for covalent chemical bonding in its valence
  11. alkanes that contain a ring of three or more carbons
  12. type of geometric diastereomer that has the functional group at the same side of double bonds
Down
  1. covalent bonds occur between two?
  2. an atom or group of atoms attached to a chain (or ring) of carbon atoms
  3. for an element to become stable, it must have eight electrons
  4. type of geometric diastereomer that has functional groups on opposite sides of double bonds
  5. for an element to become stable, it must have eight electrons
  6. type of chemical reaction where atoms or groups of atoms are added to each carbon atom of multiple bonds
  7. type of reaction wherein the carbon skeleton of a molecule is rearranged to give a structural isomer of the original molecule.
  8. type of organic compound whose molecules contain a benzene ring
  9. organic compound with a hydroxyl (OH) functional group on an aliphatic carbon atom
  10. molecules with the same molecular formula but have different structures
  11. type of chemistry that studies the compounds of carbon
  12. type of chemical reaction in which a pair of atoms or groups of atoms are removed from a molecule
  13. the distribution of electrical charge over the atoms joined by the bond
  14. single bond between carbon atoms
  15. hydrocarbons having one carbon-carbon double bond and the general formula CnH2n
  16. what is the principle element of organic compounds?
  17. number of electrons carbon has

29 Clues: number of electrons carbon has • double bond between carbon atoms • single bond between carbon atoms • triple bond between carbon atoms • covalent bonds occur between two? • what is the principle element of organic compounds? • group of atoms with characteristic chemical behavior • alkanes that contain a ring of three or more carbons • ...

Physical and Chemical Change 2019-11-07

Physical and Chemical Change crossword puzzle
Across
  1. A chemcial reaction that converts oxygen and glucose into water and carbon dioxide while releasing energy.
  2. The chemical reaction in plants that converts carbon dioxide and water into oxygen and glucose using energy from the sun
  3. The change of state from liquid to solid
  4. The substances formed in chemical reactions
  5. The process of rearranging atoms in substances to form different substances
  6. A change that does not result in a new substance being produced
  7. A change of state where a liquid changes to a gas at the surface of the liquid
  8. The starting substances in chemical reactions
  9. A change of state where a liquid is heated and changes to a gas within the liquid
  10. The change of state when a solid is heated and forms a liquid
Down
  1. Any chemical reaction where a substance burns in oxygen to produce light and heat
  2. A simple chemical equation where chemicals are represented by their names
  3. A solid formed during a chemical change
  4. A decrease in size
  5. A gradual erosion of rocks and buildings that occurs when limestone and marble react chemically with the carbonic acid in rainwater
  6. A change of state from solid to gas
  7. Evaporation of solvent from a solution to leave solute behind as crystals
  8. A change of state from gas to solid
  9. A change that results in a new substance being formed
  10. A change of state where a gas is cooled and forms a liquid
  11. An increase in size

21 Clues: A decrease in size • An increase in size • A change of state from solid to gas • A change of state from gas to solid • A solid formed during a chemical change • The change of state from liquid to solid • The substances formed in chemical reactions • The starting substances in chemical reactions • A change that results in a new substance being formed • ...

Physical and Chemical Change 2019-11-07

Physical and Chemical Change crossword puzzle
Across
  1. A chemcial reaction that converts oxygen and glucose into water and carbon dioxide while releasing energy.
  2. A gradual erosion of rocks and buildings that occurs when limestone and marble react chemically with the carbonic acid in rainwater
  3. The substances formed in chemical reactions
  4. A simple chemical equation where chemicals are represented by their names
  5. A decrease in size
  6. A change of state from solid to gas
  7. Evaporation of solvent from a solution to leave solute behind as crystals
  8. A change that does not result in a new substance being produced
  9. An increase in size
Down
  1. The change of state when a solid is heated and forms a liquid
  2. A change of state where a liquid changes to a gas at the surface of the liquid
  3. A change of state where a liquid is heated and changes to a gas within the liquid
  4. A solid formed during a chemical change
  5. The chemical reaction in plants that converts carbon dioxide and water into oxygen and glucose using energy from the sun
  6. A change of state from gas to solid
  7. The change of state from liquid to solid
  8. The process of rearranging atoms in substances to form different substances
  9. A change of state where a gas is cooled and forms a liquid
  10. A change that results in a new substance being formed
  11. The starting substances in chemical reactions
  12. Any chemical reaction where a substance burns in oxygen to produce light and heat

21 Clues: A decrease in size • An increase in size • A change of state from gas to solid • A change of state from solid to gas • A solid formed during a chemical change • The change of state from liquid to solid • The substances formed in chemical reactions • The starting substances in chemical reactions • A change that results in a new substance being formed • ...

Physical and Chemical Change 2019-11-07

Physical and Chemical Change crossword puzzle
Across
  1. The change of state from liquid to solid
  2. A change of state where a liquid changes to a gas at the surface of the liquid
  3. A change that results in a new substance being formed
  4. A gradual erosion of rocks and buildings that occurs when limestone and marble react chemically with the carbonic acid in rainwater
  5. A change of state where a gas is cooled and forms a liquid
  6. The starting substances in chemical reactions
  7. A decrease in size
  8. An increase in size
  9. Any chemical reaction where a substance burns in oxygen to produce light and heat
Down
  1. A change of state from gas to solid
  2. A chemcial reaction that converts oxygen and glucose into water and carbon dioxide while releasing energy.
  3. Evaporation of solvent from a solution to leave solute behind as crystals
  4. The chemical reaction in plants that converts carbon dioxide and water into oxygen and glucose using energy from the sun
  5. A simple chemical equation where chemicals are represented by their names
  6. The substances formed in chemical reactions
  7. A change that does not result in a new substance being produced
  8. The process of rearranging atoms in substances to form different substances
  9. A change of state where a liquid is heated and changes to a gas within the liquid
  10. A solid formed during a chemical change
  11. A change of state from solid to gas
  12. The change of state when a solid is heated and forms a liquid

21 Clues: A decrease in size • An increase in size • A change of state from gas to solid • A change of state from solid to gas • A solid formed during a chemical change • The change of state from liquid to solid • The substances formed in chemical reactions • The starting substances in chemical reactions • A change that results in a new substance being formed • ...

C7-9 2021-11-04

C7-9 crossword puzzle
Across
  1. The reaction used to break longer hydrocarbons into more useful smaller hydrocarbons.
  2. Separating a liquid from a mixture by evaporation and condensation.
  3. A reaction which absorbs less energy than it releases.
  4. A reaction where the products can react to re-form the reactants.
  5. Breaking down a compound using heat.
  6. A hydrocarbon with no double bonds.
  7. The principle stating how changes to an environment will change the equilibrium point of a reversible reaction.
Down
  1. A reaction which absorbs more energy than it releases.
  2. the point in a reversible reaction at which the forward and backward rates of reaction are the same
  3. a substance that speeds up a chemical reaction by providing a different pathway for the reaction that has a lower activation energy.
  4. The energy required to break the bonds necessary for a reaction to take place.
  5. A hydrocarbon with at least one Carbon to Carbon double bond.
  6. A special type of distillation involving separating several liquids based on the temperature they condense at.
  7. A chemical only containing carbon and hydrogen.

14 Clues: A hydrocarbon with no double bonds. • Breaking down a compound using heat. • A chemical only containing carbon and hydrogen. • A reaction which absorbs more energy than it releases. • A reaction which absorbs less energy than it releases. • A hydrocarbon with at least one Carbon to Carbon double bond. • ...

Unit 8 Chemical Reactions Vocabulary 2020-12-08

Unit 8 Chemical Reactions Vocabulary crossword puzzle
Across
  1. change in which no new chemical substances are formed; can usually be reversed
  2. number in front of a balanced formula telling how many molecules of that element or compound are present; is changed to balance an equation
  3. process where bonds between atoms are broken and new ones are formed, producing one or more different substances
  4. a chemical reaction that occurs when a substance reacts with oxygen, releasing energy in the form of heat and light
  5. a solid that forms during a chemical reaction in solution
  6. A + BC ---> AC + B; a chemical reaction that occurs when the atoms of one element replace the atoms of another element in a compound
Down
  1. AB + CD ----> AD + CB ; always involves at least 4 elements
  2. A + B ----> AB, a reaction in which two or more substances combine to form a new compound
  3. AB ---> A + B ; a reaction in which a single compound breaks down to form two or more simpler substances
  4. water that contains dissolved substances
  5. conversion factor that relates the amounts in moles of any two substances in a chemical reaction
  6. change resulting in a new substance being formed

12 Clues: water that contains dissolved substances • change resulting in a new substance being formed • a solid that forms during a chemical reaction in solution • AB + CD ----> AD + CB ; always involves at least 4 elements • change in which no new chemical substances are formed; can usually be reversed • ...

Unit 16 2014-05-01

Unit 16 crossword puzzle
Across
  1. For a reaction to occur, the particles must collide, they must collide with the appropriate orientation, and they must collide with sufficient energy.
  2. In a chemical reaction, the state in which the rate of the forward reaction equals the rate of the reverse reaction, so that the relative concentrations of the reactants and products do not change with time.
  3. (of a chemical reaction or compound) occurring or formed with absorption of heat
  4. The sum of all the areas of all the faces or surfaces that enclose a solid.
  5. A measurement of how much solute exists within a certain volume of solvent
  6. (thermodynamics) a thermodynamic quantity equal to the internal energy of a system plus the product of its volume and pressure
  7. something that brings about a change in something else
  8. Evolutionary timing methods based on the observation that at least some regions of genomes evolve at constant rates.
Down
  1. Result of diffusion where there is continuous movement of particles but no overall change in concentration
  2. (of a chemical reaction or compound) occurring or formed with evolution of heat
  3. rate at which reactants change into products over time
  4. Energy needed to get a reaction started
  5. A chemical reaction in which the products re-form the original reactants

13 Clues: Energy needed to get a reaction started • rate at which reactants change into products over time • something that brings about a change in something else • A chemical reaction in which the products re-form the original reactants • A measurement of how much solute exists within a certain volume of solvent • ...

Chemistry Unit Review 2023-10-26

Chemistry Unit Review crossword puzzle
Across
  1. A group of two or more atoms held together by chemical bonds and functioning as a single unit.
  2. equation A symbolic representation of a chemical reaction, with reactants on the left side and products on the right side.
  3. A substance made up of two or more different elements chemically combined in a fixed ratio.
  4. A change in which one or more substances are transformed into new substances with different chemical properties.
  5. A measure of the acidity or basicity of a solution, ranging from 0 to 14, with 7 being neutral, below 7 being acidic, and above 7 being basic.
  6. A substance that is dissolved in a solvent, often the component that is present in lesser quantity in a solution.
  7. The basic building block of matter, consisting of a nucleus containing protons and neutrons, with electrons orbiting around it.
  8. The new substances formed as a result of a chemical reaction.
  9. formula A representation of a substance using chemical symbols and numbers to indicate the types and number of atoms present.
  10. The act of adjusting the coefficients in a chemical equation to ensure that the number of atoms of each element is equal on both sides of the equation.
  11. The ability of a substance to dissolve in a given solvent at a given temperature and pressure.
  12. A substance capable of dissolving other substances, often the component that is present in greater quantity in a solution.
Down
  1. A change in the physical properties of a substance, such as size, shape, or state, without a change in its chemical composition.
  2. A pure substance composed of only one type of atom, distinguished by its atomic number on the periodic table.
  3. table A tabular arrangement of elements in order of increasing atomic number, organized based on similar chemical properties.
  4. The principle that states that the mass of substances involved in a chemical reaction remains constant; mass is neither created nor destroyed, only rearranged.
  5. A substance that accepts hydrogen ions (H+) or donates electrons, characterized by a bitter taste and the ability to turn red litmus paper blue.
  6. The process in which one or more substances undergo a chemical change, resulting in the formation of new substances with different properties.
  7. A substance that participates in a chemical reaction and undergoes change.
  8. A substance that donates hydrogen ions (H+) or accepts electrons, characterized by a sour taste and the ability to turn blue litmus paper red.

20 Clues: The new substances formed as a result of a chemical reaction. • A substance that participates in a chemical reaction and undergoes change. • A substance made up of two or more different elements chemically combined in a fixed ratio. • A group of two or more atoms held together by chemical bonds and functioning as a single unit. • ...

Unit 5 Crossword Puzzle 2023-11-18

Unit 5 Crossword Puzzle crossword puzzle
Across
  1. element a element that form molecules that consist of two atoms
  2. substance(s) formed as the result of the reactants combining and are written on the right side of a chemical equation
  3. atoms that gain or lose electrons (have a charge)
  4. a metal and nonmetal that bond together
  5. a reaction where two or more elements combine to create a product
  6. a substance that was formed when two or more chemical elements chemically bonded together
  7. starting formulas that are written on the left side of a chemical equation
Down
  1. a reaction where two compounds on the reactant side switches out their ‘partners’
  2. a whole number in front of a chemical formula to balance out a equation
  3. a reaction where a element on the reactant side replaces another element that is in a compound
  4. a reaction where one reactant breaks down into two or more products
  5. two nonmetals that bond together
  6. small number written below a element/compound
  7. a reaction where a hydrocarbon and oxygen combine to release carbon dioxide, water, and heat

14 Clues: two nonmetals that bond together • a metal and nonmetal that bond together • small number written below a element/compound • atoms that gain or lose electrons (have a charge) • element a element that form molecules that consist of two atoms • a reaction where two or more elements combine to create a product • ...

Unit 10 Stoichiometry Vocabulary Crossword 2021-01-28

Unit 10 Stoichiometry Vocabulary Crossword crossword puzzle
Across
  1. reactant that is in short supply for a chemical reaction
  2. indicates the number of moles of each substance
  3. a starting element or compound in a chemical reaction
  4. reactant that is not used up completely in a reaction
  5. a conversion factor that relates the amounts in moles of any two substances involved in a chemical reaction
Down
  1. element or compound at the end of a chemical reaction
  2. indicates the number of atoms of each element
  3. the process by which one or more substances change to produce one or more different substances
  4. calculation of quantities in chemical reactions
  5. maximum amount of product that can be produced from a given amount of reactant

10 Clues: indicates the number of atoms of each element • calculation of quantities in chemical reactions • indicates the number of moles of each substance • element or compound at the end of a chemical reaction • a starting element or compound in a chemical reaction • reactant that is not used up completely in a reaction • ...

Djenane Telfort 2022-03-08

Djenane Telfort crossword puzzle
Across
  1. lowest whole number ratio elements within a compound
  2. atoms, molecules, and formula units
  3. mass of one mole of a substance
  4. the amount of product actually produced in the experiment
  5. the substance that will be used up first in a chemical reaction
  6. multiple of an empirical formula
Down
  1. ratio between the number of moles of any two substances in a chemical reaction
  2. study of ratios within chemical reactions
  3. the starting substance in a chemical reaction
  4. reactants left over when a reaction stops
  5. the maximum amount of product that can be used or made based on the limiting reactant

11 Clues: mass of one mole of a substance • multiple of an empirical formula • atoms, molecules, and formula units • study of ratios within chemical reactions • reactants left over when a reaction stops • the starting substance in a chemical reaction • lowest whole number ratio elements within a compound • the amount of product actually produced in the experiment • ...

Chemistry Crossword 2017-11-08

Chemistry Crossword crossword puzzle
Across
  1. atom that has become electrically charged because it has lost or gained electrons; a positive ion is an atom that has lost one or more electrons;a negative ion is an atom that has gained one or more electrons
  2. positively charged particle in the nucleus of an atom
  3. Substance that help a reaction speed faster
  4. An experiment in which all reactants and all products of a chemical reaction are accounted for
  5. substance made of only one kind of matter, which has a unique set of properties
  6. When two or substances react to make a new substance
  7. smallest part of an element that is representative of that element; a neutral particle made up of a nucleus containing protons and neutrons, and in which the number of electrons equals the number of protons
  8. chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
  9. group 1 elements in the periodic table, not including hydrogen; the most reactive of the metals
  10. new substance produced in a chemical reaction between reactants
  11. neutral particle in the nucleus of an atom
  12. shiny, malleable, ductile element that conducts electricity
Down
  1. slow chemical change that occurs when oxygen in the air reacts with a metal
  2. pure substance formed when at least one metal and one non-metal combine
  3. An experiment in which one or more products of a chemical reaction can escape
  4. dull, brittle element that does not conduct electricity
  5. group 18 elements in the periodic table;the most stable and nonreactive elements
  6. When a substance state changes, but can be changed back
  7. group 2 elements in the periodic table; their reactivity is not as strong as that of the alkali metals
  8. Releases heat energy
  9. element that has both metallic and non-metallic properties
  10. positively charged center of an atom;contains protons and neutrons
  11. Absorbs heat energy
  12. group 17 elements in the periodic table;the most reactive non-metals
  13. catalyst involved in chemical reactions in living things

25 Clues: Absorbs heat energy • Releases heat energy • neutral particle in the nucleus of an atom • Substance that help a reaction speed faster • When two or substances react to make a new substance • positively charged particle in the nucleus of an atom • dull, brittle element that does not conduct electricity • When a substance state changes, but can be changed back • ...

NSD -2025 2025-02-24

NSD -2025 crossword puzzle
Across
  1. A technique used to determine the concentration of a solution by reacting it with a standard solution.
  2. The spontaneous emission of radiation by an unstable atomic nucleus.
  3. A substance that undergoes change in a chemical reaction.
  4. A state in which the forward and reverse reactions occur at the same rate.
  5. The smallest unit of an element that retains its chemical properties.
  6. A substance formed as a result of a chemical reaction.
  7. A substance that increases the concentration of hydroxide ions (OH⁻) in a solution.
  8. The loss of electrons by an atom or molecule.
  9. A substance composed of two or more different elements chemically bonded together.
  10. A substance made of only one type of atom.
  11. An insoluble solid that forms in a solution during a chemical reaction.
  12. Different structural forms of the same element in the same physical state.
  13. The substance in which the solute dissolves to form a solution.
  14. A solution that resists changes in pH when an acid or base is added.
Down
  1. The mixing of atomic orbitals to form new hybrid orbitals.
  2. An element that is a good conductor of heat and electricity, malleable, and ductile.
  3. A group of two or more atoms chemically bonded together.
  4. The gain of electrons by an atom or molecule.
  5. The substance dissolved in a solution.
  6. An atom or molecule with a net electric charge due to the loss or gain of electrons.
  7. A substance that increases the concentration of hydrogen ions (H⁺) in a solution.
  8. The calculation of reactants and products in a chemical reaction.
  9. The concentration of a solution expressed as moles of solute per liter of solution.
  10. The SI unit for the amount of substance, containing Avogadro’s number of particles.
  11. A measure of the disorder or randomness in a system.
  12. A homogeneous mixture of solute and solvent.
  13. A substance that speeds up a chemical reaction without being consumed.
  14. The total heat content of a system.
  15. An element with properties intermediate between metals and nonmetals.
  16. Atoms of the same element with different numbers of neutrons.

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

Spelling Words 2017-11-08

Spelling Words crossword puzzle
Across
  1. Something that is reversible
  2. What you need to achieve something
  3. what is everywhere
  4. science topic
  5. you can control your temper
  6. Water,Carbon dioxide ...
  7. To be grateful for something
  8. a type of reaction
  9. water
  10. being knowledgeable
  11. a type of variable
Down
  1. person who studies about science
  2. being curious
  3. same as the split strategy in math
  4. a small object which involves volume or mass
  5. Can be chemical or physical
  6. forgiving people
  7. control,dependent or independent
  8. character strength topic about achieving
  9. To never give up
  10. Our current unit

21 Clues: water • being curious • science topic • forgiving people • To never give up • Our current unit • what is everywhere • a type of reaction • a type of variable • being knowledgeable • Water,Carbon dioxide ... • Can be chemical or physical • you can control your temper • Something that is reversible • To be grateful for something • person who studies about science • control,dependent or independent • ...

Chemistry Crossword 2015-11-13

Chemistry Crossword crossword puzzle
Across
  1. an experiment in which all products of a chemical reaction are accounted for
  2. chemical combination of two or more elements in a specific ratio
  3. a colourless, odorless, poisonous gas
  4. substance that helps a chemical reaction proceed more quickly
  5. number of protons in the nucleus of one atom as an element
  6. the smallest part of an element that is representative of that element
  7. change that results when two or more substances react to form a new substance
  8. measure of atomic mass
  9. combination of symbols that represent a compound
  10. ability of a substance to conduct electricity or heat
  11. mass of one atom of an element calculated from the total number of protons, neutrons, and electrons in an atom
  12. atom that has become electrically charged because it lost or gained electrons
  13. principle that matter is not created or destroyed in a reaction
  14. group 1 elements in the periodic table, not including hydrogen; the most reactive of the elements
Down
  1. invisible negatively charged particle that orbits around the nucleus of an atom
  2. pure substance formed when at least one metal and one non-metal combine
  3. material that electric charge can move through easily
  4. pure substance that cannot be broken down into other substances
  5. group 2 elements in the periodic table: their reactivity is not as strong as that of alkili metals
  6. vertical column of elements in the periodic table
  7. a reaction that takes place when two or more substances to form a new substance
  8. group 17 elements in the periodic table: the most reactive non-metal
  9. chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
  10. energy stored in chemicals and released when chemicals react
  11. vertical column of elements in periodic table

25 Clues: measure of atomic mass • a colourless, odorless, poisonous gas • vertical column of elements in periodic table • combination of symbols that represent a compound • vertical column of elements in the periodic table • material that electric charge can move through easily • ability of a substance to conduct electricity or heat • ...

Chemistry Bonus Crossword! 2024-05-09

Chemistry Bonus Crossword! crossword puzzle
Across
  1. Smallest particle of an element
  2. The study of matter and the changes it undergoes
  3. The study of quantitative relationships between the amounts of reactants used and products formed by a chemical reaction
  4. A neutral subatomic particle in an atoms nucleus that has a mass nearly equal to that of a proton
  5. States that the volume of a given amount of gas at a constant temperature varies inversely with the pressure
  6. Chemical reaction in which a greater amount of energy is required to break the existing bonds in the reactants than is released when the new bonds form in the product molecules
  7. The chart that organizes all the known elements
  8. The amount of a substance that contains 6.02x10^23 particles
  9. The SI unit of heat and energy
  10. Measure of the amount of matter
  11. Sub atomic particle in an atoms nucleus that has a positive charge of plus one
Down
  1. The process by witch a gas or vapor becomes a liquid
  2. The capacity to do work or produce heat
  3. Describes the physical behavior of an ideal gas in terms of the temperature, volume, and pressure and number of moles of a gas that are present
  4. An atom or bonded group of atoms with a positive or negative charge
  5. Negatively charged fast moving particle
  6. A form of matter that flows, has constant volume, and takes the shape of it's container
  7. Chemical reaction that occurs when a single compound breaks down into two or more elements or new compounds
  8. Chemical reaction in which more energy is released than is required to break bonds in the initial reaction
  9. Process in which vaporization occurs only at the surface of a liquid
  10. Ratio that compares the mass to the volume

21 Clues: The SI unit of heat and energy • Smallest particle of an element • Measure of the amount of matter • The capacity to do work or produce heat • Negatively charged fast moving particle • Ratio that compares the mass to the volume • The chart that organizes all the known elements • The study of matter and the changes it undergoes • ...

Chemical Chameleon Crossword 2022-05-16

Chemical Chameleon Crossword crossword puzzle
Across
  1. hypothetical reactions to balance 9 down reaction (Hint:includes a hyphen)
  2. the type of reaction that forms a new substance, a blank reaction
  3. chemical that is corrosive to human tissue (Hint: chemical formula no capitals)
  4. chemical name for household sugar
  5. a blank stirrer widely used in labs
  6. a change in blank is a way to identify a chemical change
Down
  1. the color of Potassium Permanganate (KMnO4)when dissolved in water
  2. results in the gain of electrons and a decrease in charge
  3. another word for basic
  4. results in the loss of electrons and an increase in the charge
  5. a reaction in which one reactant is oxidized and one reactant is reduced at the same time

11 Clues: another word for basic • chemical name for household sugar • a blank stirrer widely used in labs • a change in blank is a way to identify a chemical change • results in the gain of electrons and a decrease in charge • results in the loss of electrons and an increase in the charge • the type of reaction that forms a new substance, a blank reaction • ...

Quarter Final 2 2025-12-11

Quarter Final 2 crossword puzzle
Across
  1. A new substance is made (burning, rusting, cooking).
  2. A chemical reaction where plants make their own food in the form of Glucose using sunlight.
  3. Thick, semi-solid layer with slow-moving rock.
  4. The final product made in a chemical reaction.
  5. Makes its own food through photosynthesis (plants).
  6. The starting materials in a chemical reaction.
Down
  1. The chemical reaction that cells use to break down sugar (glucose) and release energy in the form of ATP.
  2. Thin, solid outer layer where we live.
  3. The study of matter and how it interacts. This involves atoms, molecules and chemicals.
  4. Pure substances made of only one type of atom.
  5. Gets food by eating other organisms (animals).

11 Clues: Thin, solid outer layer where we live. • Pure substances made of only one type of atom. • Gets food by eating other organisms (animals). • Thick, semi-solid layer with slow-moving rock. • The final product made in a chemical reaction. • The starting materials in a chemical reaction. • Makes its own food through photosynthesis (plants). • ...

Biomolecule Terms 2025-05-05

Biomolecule Terms crossword puzzle
Across
  1. The substance an enzyme acts on. They may be broken apart or put together. The reactant.
  2. Another name for a biomolecule. Needed by all living things.
  3. Make a reaction start faster
  4. A chemical reaction that joins two or more molecules together to form a larger molecule while also removing water. Occurs when monomers bond together to make polymers creating biomolecules.
  5. the process of making something, such as a new molecule or protein.
  6. A molecule that has all the genetic information for an organism. Includes directions for development, growth and reproduction of the organism.
  7. A restricted region of an enzyme molecule which binds to the substrate
  8. Releases energy by breaking down glucose and other foods in the presence of oxygen.
  9. Destruction of an enzyme by temperature or other factors.
Down
  1. occurs within a cell or between cells that regulates cell function.
  2. A substance that is present at the start of a chemical reaction and is altered during the reaction. What is put together to make something new.
  3. Substances found in all living things that are necessary for biological processes.
  4. Uses the energy of the sun to synthesize (make) organic compounds (sugars) from inorganic compounds (CO2 and water).
  5. A molecule that can be bonded to another identical molecule. The smallest part of a biomolecule.
  6. Fat tissues that help keep an organism warm.
  7. The minimum amount of energy required for a chemical reaction to occur
  8. the end result of a biological or chemical process, what was made or created.
  9. An organic compound that is a major component of lipids and a building block for the fat in the body.
  10. Proteins that act as a catalyst to accelerate a reaction. They are NOT permanently changed in the process, so they are reusable. The work with specific substrates. Their name end in -ASE
  11. a large molecule made up of monomers that are joined together.

20 Clues: Make a reaction start faster • Fat tissues that help keep an organism warm. • Destruction of an enzyme by temperature or other factors. • Another name for a biomolecule. Needed by all living things. • a large molecule made up of monomers that are joined together. • occurs within a cell or between cells that regulates cell function. • ...

BIOCOMBUSTIBLES 2024-03-13

BIOCOMBUSTIBLES crossword puzzle
Across
  1. Raw materials used for biofuel production, such as crops, residues, or organic waste.
  2. Is the total heat content of a system, denoted by the symbol "H."Stoichiometry: The calculation of reactants and products in chemical reactions based on balanced equations, helping determine quantities and relationships in a reaction.
  3. The conversion of sugars into alcohol or organic acids by microorganisms, often used in biofuel production.
  4. Derived from vegetable oils or animal fats, biodiesel is an eco-friendly alternative to traditional diesel fuel.
  5. Microbial breakdown of organic matter to produce biogas, a process common in anaerobic digesters.
  6. Microscopic aquatic plants that can be used to produce biofuels due to their high oil content.
  7. Energy sources that can be replenished naturally, like solar, wind, and bioenergy.
  8. Processes involving the use of heat to convert biomass into biofuels, such as gasification and pyrolysis.
  9. Chemical reaction converting fats or oils into biodiesel and glycerol.
  10. Thermal decomposition of biomass in the absence of oxygen, producing bio-oil, gas, and biochar.
  11. Refers to a type of combustible material that remains in a solid state at room temperature and is used as a source of energy through combustion
  12. Refers to biofuels made from non-edible plant materials like wood, grass, or agricultural residues.
  13. The process of converting biomass into a gaseous fuel, like synthesis gas
Down
  1. The calculation of reactants and products in chemical reactions based on balanced equations, helping determine quantities and relationships in a reaction.
  2. Alcohol produced by fermenting sugars, commonly used as a biofuel for vehicles.
  3. Refers to plant materials rich in cellulose and lignin, often used in the production of advanced biofuels.
  4. A chemical reaction that absorbs heat from its surroundings, resulting in a decrease in temperature.
  5. A chemical reaction that releases heat to its surroundings, causing an increase in temperature.
  6. Chemical process breaking down complex molecules into simpler ones using water, commonly used in biofuel production.
  7. Are solid, liquid, or gaseous materials that release energy through a process called combustion, which releases energy into an oxygenated environment
  8. Are those renewable fuels that are obtained through natural resources or organic waste, both animal and plant

21 Clues: Chemical reaction converting fats or oils into biodiesel and glycerol. • The process of converting biomass into a gaseous fuel, like synthesis gas • Alcohol produced by fermenting sugars, commonly used as a biofuel for vehicles. • Energy sources that can be replenished naturally, like solar, wind, and bioenergy. • ...

Midterm crossword 2024-12-16

Midterm crossword crossword puzzle
Across
  1. A set of two or more Lewis Structures that collectively describe the electronic bonding of a single polytomic species. The actual structure of the polyatomic ion is a combination of the resonance structures.
  2. the lowest allowed energy state of an atom, molecule, or ion.
  3. A substance that contains water molecule(s) within its structure.
  4. the branch of chemistry that deals with the study of the rate of chemical reactions
  5. a chemical formula showing the simplest ratio of elements present in a compound.
  6. Formed between atoms with different sized radii; the smaller atoms fill the spaces between the larger atoms.
  7. Illustrates the forces between two atoms as a function of distance in covalent bonding.
  8. a chemical compound formed when a acid gives a proton to a base
  9. the amount of energy required to remove an electron from an isolated atom.
Down
  1. the attractive or repulsive forces between entire molecules due to differences in charge
  2. a physical constant that describes the relationship between the energy of a photon and its frequency
  3. substance that is found in the same state as the reactants and is seen at both the beginning and ending of the reaction
  4. crystalline solids that are held together by the attraction between positively and negatively charged ions
  5. Formed between atoms with similar radii; one atom substitutes another in the lattice
  6. describes the strength of the electrostatic force (attraction or repulsion) between two charged objects.
  7. the rate of a chemical reaction at a specific moment in time.
  8. a chemical compound formed by the removal of a proton from an acid
  9. the sequence of elementary steps by which a chemical reaction occurs
  10. arises from the electrostatic attractive force between conduction electrons and positively charged metal ions.
  11. the step that requires the highest amount of activation energy and determines the overall rate of the reaction
  12. the process of a molecule breaking into ions in a solution
  13. occurs when an atom, molecule, or ion loses one or more electrons in a reaction

22 Clues: the process of a molecule breaking into ions in a solution • the rate of a chemical reaction at a specific moment in time. • the lowest allowed energy state of an atom, molecule, or ion. • a chemical compound formed when a acid gives a proton to a base • A substance that contains water molecule(s) within its structure. • ...

Isabele Henninger Unit 2 2025-03-25

Isabele Henninger Unit 2 crossword puzzle
Across
  1. scared of water
  2. quanity of energy
  3. the diffusion of water across a membrane
  4. formed to make a chemical reaction
  5. organs combined
  6. basic unit of matter
  7. allows substances to pass
  8. underlying substance
  9. organelles combined
Down
  1. the movement of molecules or ions across a membrane
  2. organ systems combined
  3. molecules naturally move from being clustered together to being spaced
  4. tissues combined
  5. substrates make a chemical reaction
  6. a molecule containing one hydrophilic head and two hydrophilic tails
  7. molecules combined
  8. cells combined
  9. protein
  10. doesn't need energy
  11. tendency to mix
  12. atoms combined
  13. take away qualities

22 Clues: protein • cells combined • atoms combined • scared of water • organs combined • tendency to mix • tissues combined • quanity of energy • molecules combined • doesn't need energy • take away qualities • organelles combined • basic unit of matter • underlying substance • organ systems combined • allows substances to pass • formed to make a chemical reaction • substrates make a chemical reaction • ...

Semester 1 Project 2022-12-13

Semester 1 Project crossword puzzle
Across
  1. unequal sharing of electrons
  2. variable that is changed
  3. smallest unit of matter
  4. energy absorbed
  5. no definite shape or volume
  6. variable that is observed/measured
  7. positive charge, located in nucleus
  8. made of two or more substances
  9. definite shape and volume
Down
  1. energy released
  2. definite volume, no definite shape
  3. equal sharing of electrons
  4. form in a chemical reaction
  5. electrons are given and taken
  6. electrons in outer energy level
  7. react in a chemical reaction
  8. electrons are shared
  9. negative charge, around nucleus
  10. no charge, located in nucleus
  11. # of protons + # of neutrons

20 Clues: energy released • energy absorbed • electrons are shared • smallest unit of matter • variable that is changed • definite shape and volume • equal sharing of electrons • form in a chemical reaction • no definite shape or volume • unequal sharing of electrons • react in a chemical reaction • # of protons + # of neutrons • electrons are given and taken • no charge, located in nucleus • ...

crossword puzzle 2021-06-08

crossword puzzle crossword puzzle
Across
  1. proteins that act as catalysts within living cells
  2. a molecule acted upon by an enzyme
  3. the smallest functional unit of an organism
  4. a chemical that changes the rate of another chemical reaction
  5. process charging the structure of a portion
  6. the product of a chemical reaction
Down
  1. the amount of sub-component in a soliton
  2. a substance that effects the time of reaction
  3. Site a substrate combines or begins a chemical reaction
  4. the smallest unit of matter

10 Clues: the smallest unit of matter • a molecule acted upon by an enzyme • the product of a chemical reaction • the amount of sub-component in a soliton • the smallest functional unit of an organism • process charging the structure of a portion • a substance that effects the time of reaction • proteins that act as catalysts within living cells • ...

Chemical Reactions 2023-12-04

Chemical Reactions crossword puzzle
Across
  1. Is a form of physical change
  2. Anything that has Mass/Volume
  3. Uses formulas and symbols to show how atoms rearrange in a chemical reaction
  4. Substances that react at the start of a reaction
  5. Is an example of chemical reaction
Down
  1. Any substance that has a defined composition
  2. of matter Is an example of physical properties
  3. Substances formed at the end of a reaction
  4. Is a form of chemical change
  5. Can be changed in order to balance the equation

10 Clues: Is a form of physical change • Is a form of chemical change • Anything that has Mass/Volume • Is an example of chemical reaction • Substances formed at the end of a reaction • Any substance that has a defined composition • of matter Is an example of physical properties • Can be changed in order to balance the equation • Substances that react at the start of a reaction • ...

Chapter 13 MBaker Crossword 2018-03-09

Chapter 13 MBaker Crossword crossword puzzle
Across
  1. A substance that increases the rate of a chemical reaction without itself being consumed by the chemical reaction
  2. Description of a solution in which the hydronium ion concentration is higher than the hydroxide ion concentration
  3. A deterioration of metal,typically caused by atmospheric oxygen
  4. Description of a chemical reaction in which there is a net release of energy
  5. A description in which the hydronium ion concentration is equal to the hydroxide ion concentration
  6. A reaction between a reaction and base
Down
  1. The new material formed in a chemical reaction
  2. Representation of a chemical reaction in which reactants are written to the left of an arrow that points to the products on the right
  3. A rapid exothermic oxidation-reduction reaction between a material molecular oxygen
  4. The amount of energy required to pull two bonded atoms apart,which is the same amount of energy released when two atoms are bonded together

10 Clues: A reaction between a reaction and base • The new material formed in a chemical reaction • A deterioration of metal,typically caused by atmospheric oxygen • Description of a chemical reaction in which there is a net release of energy • A rapid exothermic oxidation-reduction reaction between a material molecular oxygen • ...

CHEMISTRY 2023-05-21

CHEMISTRY crossword puzzle
Across
  1. a pure substance that forms when two or more elements join chemically in a fixed proportion.
  2. the basic building block of most of the matter around us.
  3. matter that has the same chemical composition throughout and cannot be separated into its parts by physical means.
  4. a process used to separate the parts of a mixture by particle size.
  5. the tendency of a substance to undergo chemical changes.
  6. matter made up of two or more substances that are not joined chemically.
  7. a code, usually made up of one or two letters, used to represent an element.
  8. a solid that forms during a chemical reaction that takes place in a solution.
  9. a mixture in which substances are evenly distributed.
  10. a vertical column in the periodic table.
  11. a measure of an atom's mass that is equal to the number of protons & neutrons in the atom's nucleus.
  12. a substance that is present at the beginning of a chemical reaction.
  13. a particle with no charge, found in the nucleus of an atom.
  14. a chart that organizes information about all the known elements according to their properties.
  15. a characteristic of a substance that cannot be observed without changing the identity of the substance.
  16. an element that does not conduct heat or electricity well and is dull and brittle.
  17. a group of two or more atoms held together by chemical bonds.
  18. a process by which elements and compounds combine to form new substances.
  19. a horizontal row in the periodic table.
  20. a method for separating solids from liquids in a solution.
  21. a description of a chemical reaction using chemical formulas, subscripts, and coefficients.
Down
  1. the scientific principle that matter is neither created nor destroyed during a chemical reaction.
  2. a number that tells how many atoms of each element are in a molecule.
  3. one of the basic substances that combine to form all other substances; a substance that cannot be broken down into simpler means.
  4. the center of an atom, containing protons and neutrons.
  5. a group of chemical symbols and numbers that shows the number of atoms of each element in a molecule.
  6. a negatively charged subatomic particle that is located outside the nucleus of an atom.
  7. a change that results in the formation of a new substance or substances.
  8. a change in a substance that does not change the chemical makeup of the substance.
  9. a mixture in which substances are not distributed evenly.
  10. a characteristic of a substance that can be observed directly or measured with a tool without changing the identity of the substance.
  11. a substance that is produced during a chemical reaction.
  12. the number of protons in the nucleus of an atom.
  13. a positively charged particle found in the nucleus of an atom.
  14. an element that has some properties of both metals and nonmetals.
  15. a number written before a chemical formula to show how many atoms or molecules of that substances are involved in a reaction.
  16. a method used to separate a dissolved solid from a liquid.
  17. an element that conducts heat & electricity well, is shiny, and can be hammered into sheets or drawn into wires.

38 Clues: a horizontal row in the periodic table. • a vertical column in the periodic table. • the number of protons in the nucleus of an atom. • a mixture in which substances are evenly distributed. • the center of an atom, containing protons and neutrons. • the tendency of a substance to undergo chemical changes. • a substance that is produced during a chemical reaction. • ...

Chemistry Unit 5 2024-03-05

Chemistry Unit 5 crossword puzzle
Across
  1. is a reactant in a chemical reaction that determines the amount of product that is formed
  2. condition in the course of a reversible chemical reaction in which no net change in the amounts of reactants and products occurs
  3. what is used to predict the amount of substances present in a reaction
  4. What you get in a chemical reaction
Down
  1. a substance that enters into and is altered in the course of a chemical
  2. a chemical equation that has the same number and type of atoms for each element on both sides of the equation
  3. molecules composed of only two atoms, of the same or different chemical elements
  4. What is the com parison of actual yield with the theoretical yield
  5. a conversion factor that relates the amounts in moles of any two substances in a chemical reaction
  6. ratio between the mass and the amount of substance of any sample of said compound
  7. The amount predicted to be produced from a stoichiometric calculation is

11 Clues: What you get in a chemical reaction • What is the com parison of actual yield with the theoretical yield • what is used to predict the amount of substances present in a reaction • a substance that enters into and is altered in the course of a chemical • The amount predicted to be produced from a stoichiometric calculation is • ...

Enzyme Vocabulary 2022-09-16

Enzyme Vocabulary crossword puzzle
Across
  1. reaction or process accompanied by the release of heat
  2. a state of balance between opposing forces or actions
  3. a substance that takes part in and undergoes change during a reaction
  4. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change
  5. a substance that is present at the end of a chemical reaction
Down
  1. characterized by or formed with absorption of heat
  2. reaction, 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
  3. Energy, energy required for a chemical reaction to occur
  4. proteins that help speed up metabolism, or the chemical reactions in our bodies

9 Clues: characterized by or formed with absorption of heat • a state of balance between opposing forces or actions • reaction or process accompanied by the release of heat • Energy, energy required for a chemical reaction to occur • a substance that is present at the end of a chemical reaction • a substance that takes part in and undergoes change during a reaction • ...