chemical reaction Crossword Puzzles

Elements, Compounds, Mixtures, Molecules 2025-09-16

Elements, Compounds, Mixtures, Molecules crossword puzzle
Across
  1. A substance produced in a chemical reaction
  2. A representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products
  3. A sample of matter, either a single element or a single compound, that has definite chemical and physical properties
  4. 2 or more atoms from different elements bonded together in a set ratio
  5. A chemical substance that is present at the start of a chemical reaction
  6. Mixture in which substances are evenly distributed (you cannot see the different parts)
  7. Mixture A mixture in which you can see the different parts
Down
  1. Number written below chemical symbol that tells you how many atoms of that element is in the molecule
  2. 2 or more atoms from the same element bonded together
  3. 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
  4. Shows the elements in a compound and the set ratio of the atoms
  5. Anything that has mass and takes up space (volume)
  6. A pure substance that cannot be broken down into any other substance by chemical or physical means
  7. 2 or more substances mixed but NOT chemically bonded
  8. Basic particle from which all elements are made

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

Thermo 2023-04-30

Thermo crossword puzzle
Across
  1. substances that go into a chemical reaction
  2. chemical reaction in which heat is given off
  3. amount of energy used when a force of 1 newton moves an object 1 meter
  4. result of the movement of tiny particles called atoms, molecules or ions in solids, liquids and gases
  5. unit of the thermodynamic temperature scale
  6. amount of heat needed to change a liquid to a vapor at constant temperature and pressure
  7. transfer of heat by means of molecule excitement within a material without motion of the matter
  8. heat energy
  9. the study of energy changes that occur during chemical reactions and changes in state
  10. substances produced at the end of the reaction
  11. energy required to raise the temperature of one gram of a substance by one degree Celsius
  12. chemical reaction in which heat is absorbed
Down
  1. measurement of heat changes
  2. unit for heat capacities, latent heats, and heats of reaction
  3. energy emitted by matter that is a nonzero temperature, transported in the form of electromagnetic waves
  4. process of heat transfer by the movement of molecules within fluids such as gases and liquids
  5. heat capacity is determined by both the type and amount of substances that absorbs or release heat
  6. quantity of energy needed to melt or freeze a substance under condition of constant pressure
  7. energy an object or particle has due to its motion

19 Clues: heat energy • measurement of heat changes • substances that go into a chemical reaction • unit of the thermodynamic temperature scale • chemical reaction in which heat is absorbed • chemical reaction in which heat is given off • substances produced at the end of the reaction • energy an object or particle has due to its motion • ...

Science 2025-02-13

Science crossword puzzle
Across
  1. Rhythmically move or vibrate
  2. When plasma turns back into a gas
  3. A force exerted on matter through contact
  4. To strike or hit with force
  5. Heat can pass through easily like metal
  6. What goes into a chemical reaction
  7. What is produced in a chemical reaction
Down
  1. A chemical reaction that releases heat
  2. Not chemically reactive
  3. A chemical reaction that absorbs heat and energy
  4. Doesn't conduct heat and traps it like rubber

11 Clues: Not chemically reactive • To strike or hit with force • Rhythmically move or vibrate • When plasma turns back into a gas • What goes into a chemical reaction • A chemical reaction that releases heat • Heat can pass through easily like metal • What is produced in a chemical reaction • A force exerted on matter through contact • Doesn't conduct heat and traps it like rubber • ...

Unit 3 Chemical Reactions 2025-10-25

Unit 3 Chemical Reactions crossword puzzle
Across
  1. A substance made by chemical processes rather than occurring naturally.
  2. A new substance formed as a result of a chemical reaction.
  3. A mixture where larger particles are dispersed throughout a liquid or gas and will settle over time.
  4. The substance that dissolves another substance in a solution.
  5. A change that results in the formation of one or more new substances with different properties.
  6. A combination of two or more substances that are physically combined but not chemically bonded.
Down
  1. The ability of a substance to dissolve in another substance under certain conditions.
  2. A change in the form or appearance of a substance without changing its chemical composition.
  3. A chemical reaction that absorbs heat energy from its surroundings.
  4. The substance that is dissolved in a solution.
  5. A chemical reaction that releases heat energy to its surroundings.
  6. A homogeneous mixture where one substance is completely dissolved in another.
  7. A large molecule composed of repeating smaller units called monomers.
  8. A starting substance that takes part in a chemical reaction.
  9. A type of mixture where small particles are evenly spread out but do not settle over time.

15 Clues: The substance that is dissolved in a solution. • A new substance formed as a result of a chemical reaction. • A starting substance that takes part in a chemical reaction. • The substance that dissolves another substance in a solution. • A chemical reaction that releases heat energy to its surroundings. • ...

The Chemistry of life 2023-12-06

The Chemistry of life crossword puzzle
Across
  1. The place in an atom where protons and neutrons chill.
  2. The ingredients of a chemical reaction
  3. Hydrogens bonding
  4. Atoms holding together to form a ______.
  5. Really tiny particles that make up everything.
  6. The cool things on the periodic table.
  7. Carbohydrates are found in bananas, and ________ are found in meat.
  8. Fats playing an important role in the body.
  9. It has 6 electrons and Its symbol is 'C'
  10. Hydrogen with 3 neutrons
  11. Genetic gossip carriers like DNA and RNA.
Down
  1. The negative particle hanging around the nucleus.
  2. Pasta is a __________, which gives fast energy.
  3. The lightest of the elements.
  4. When elements decide to combine together.
  5. The result of some reactants.
  6. An atom that has positive or negative charge.
  7. The result of a chemical reaction.
  8. When atoms become friends and share electrons.
  9. The positive particle hanging out in the nucleus.

20 Clues: Hydrogens bonding • Hydrogen with 3 neutrons • The lightest of the elements. • The result of some reactants. • The result of a chemical reaction. • The ingredients of a chemical reaction • The cool things on the periodic table. • Atoms holding together to form a ______. • It has 6 electrons and Its symbol is 'C' • When elements decide to combine together. • ...

2.3 2022-10-07

2.3 crossword puzzle
Across
  1. — Carboxyl
  2. — Large and important structures of joined-together carbons
  3. — Valence electrons in carbon
  4. — One in a million
  5. — What comes out (in chemical reaction)
  6. acids — Greasy tails, component of (lipids)
  7. energy —
  8. reaction — Changing relationships, perhaps
  9. — Make it happen, biologically (one type of catalyst)
  10. — Cinderella before her transformation (which happens in enzyme)
  11. — Greasy non-polymers
  12. acid — Your twisty manual
  13. — Glucose, for instance
Down
  1. — Make it happen, generally
  2. — Two times (monomer thing)
  3. — Made of elements H, C, and O to get you through the day
  4. — Made by you and me, and your dog and that maple tree
  5. — Many (monosaccharides)
  6. — Sweet chain
  7. — Chains to pep up your cells and make them perform
  8. — A million in a million
  9. — Small CHONP!
  10. — The originals (in chemical reaction)
  11. acid — They “R” different
  12. site — Where did Cinderella go to transform herself?

25 Clues: energy — • — Carboxyl • — Sweet chain • — Small CHONP! • — One in a million • — Greasy non-polymers • — Glucose, for instance • — Many (monosaccharides) • — A million in a million • acid — They “R” different • acid — Your twisty manual • — Make it happen, generally • — Two times (monomer thing) • — Valence electrons in carbon • — The originals (in chemical reaction) • ...

Will Dumas chapter 13 2017-10-11

Will Dumas chapter 13 crossword puzzle
Across
  1. This is a reaction between a material and molecular oxygen
  2. new materials formed in a chemical reaction
  3. Chemical reaction where there is a net release of energy
  4. This states that no atoms are gained or lost during any reaction.
  5. This is also known as Activation Energy
  6. If a material has a pH of 3, is it acidic or basic.
Down
  1. Name of the new materials formed in a chemical reaction
  2. Name for the minimum energy required in order for a chemical reaction to proceed
  3. Chemical reaction in which there is a net absorption of energy
  4. a substance that accepts hydrogen ions

10 Clues: a substance that accepts hydrogen ions • This is also known as Activation Energy • new materials formed in a chemical reaction • If a material has a pH of 3, is it acidic or basic. • Name of the new materials formed in a chemical reaction • Chemical reaction where there is a net release of energy • This is a reaction between a material and molecular oxygen • ...

Chemical Equations and Reaction-Aryan Biju 2024-05-05

Chemical Equations and Reaction-Aryan Biju crossword puzzle
Across
  1. Calcium Oxide(CaO)
  2. It is defined as the addition of Oxygen to a substance
  3. It is a chemical reaction in which a more reactive metal displaces a less reactive metal in an aqueous solution
  4. It burns with a pop sound
  5. it is used for Black & White photography
  6. Calcium Carbonate(CaCO3)
  7. A chemical reaction in which oxidation and reduction occurs simultaneously
  8. a gas with a rotten egg smell
Down
  1. Brown Fumes are formed
  2. Its a chemical reaction in which two more substance combine to form a single product
  3. An exothermic reaction that occurs in our body
  4. A substance used to clense magnesium ribbon
  5. a green colour crystal
  6. A reaction in which heat is released or evolved

14 Clues: Calcium Oxide(CaO) • Brown Fumes are formed • a green colour crystal • Calcium Carbonate(CaCO3) • It burns with a pop sound • a gas with a rotten egg smell • it is used for Black & White photography • A substance used to clense magnesium ribbon • An exothermic reaction that occurs in our body • A reaction in which heat is released or evolved • ...

Chemical Equations 2025-12-16

Chemical Equations crossword puzzle
Across
  1. the amount of exposed material that affects reaction rate
  2. substances that slow down a chemical reaction
  3. a symbolic representation of a chemical reaction
  4. a substance that speeds up a reaction without being used up
  5. a small number showing atom count
Down
  1. a starting substance in a chemical reaction
  2. a substance formed from a chemical reaction
  3. having equal atoms on both sides
  4. amount of product formed
  5. a number placed in front of a formula

10 Clues: amount of product formed • having equal atoms on both sides • a small number showing atom count • a number placed in front of a formula • a starting substance in a chemical reaction • a substance formed from a chemical reaction • substances that slow down a chemical reaction • a symbolic representation of a chemical reaction • ...

Chemical Equations 2025-12-16

Chemical Equations crossword puzzle
Across
  1. the amount of exposed material that affects reaction rate
  2. a substance that speeds up a reaction without being used up
  3. amount of product formed
  4. a substance formed from a chemical reaction
  5. a starting substance in a chemical reaction
  6. a symbolic representation of a chemical reaction
  7. substances that slow down a chemical reaction
Down
  1. a small number showing atom count
  2. a number placed in front of a formula
  3. having equal atoms on both sides

10 Clues: amount of product formed • having equal atoms on both sides • a small number showing atom count • a number placed in front of a formula • a substance formed from a chemical reaction • a starting substance in a chemical reaction • substances that slow down a chemical reaction • a symbolic representation of a chemical reaction • ...

Unit 1 crossword 2016-12-08

Unit 1 crossword crossword puzzle
Across
  1. – a polymer made of monomers called amino acids
  2. energy – amount of energy that will break a bond between two Atoms
  3. acid – molecules that contain carbon hydrogen oxygen, nitrogen and sometimes sulfur
  4. – reach the win both the reactants and products are made at the same right
  5. acids – chains of carbon atoms bonded to hydrogen Adams
  6. – a substance that decreases the activation energy needed to start a chemical reaction and as a result also increases the rate of chemical reaction
  7. acid – polymers that are made up of monomers called nucleotides
Down
  1. – nonpolar molecules that include fats oil's and cholesterol
  2. – smallest basic unit of matter
  3. – chemical reaction absorbs more energy than it releases
  4. – and Adam that has gained or lost one or more electrons
  5. – catalyst for chemical reactions in living things
  6. – two or more Atoms held together by covalent bonds
  7. Substances changed during the chemical reaction
  8. – a large molecule or macromolecule made of many monomers bonded together

15 Clues: – smallest basic unit of matter • Substances changed during the chemical reaction • – a polymer made of monomers called amino acids • – catalyst for chemical reactions in living things • – two or more Atoms held together by covalent bonds • acids – chains of carbon atoms bonded to hydrogen Adams • – chemical reaction absorbs more energy than it releases • ...

Sciene 2013-08-06

Sciene crossword puzzle
Across
  1. Shorthand statement of the elements in a substance showing the relative number of atoms of each kind of element.
  2. bases that dissolve in water.
  3. Large marsupial
  4. Mixture of solute dissolved in a solvent. Solutions are clear but may be coloured.
  5. A measure of the acidity or alkalinity or water, soil etc.
  6. A chemical that reacts with a base to produce a salt and water.
  7. Has a trunk
  8. Substances that are dissolved in the solvent to form a solution.
  9. Flying mammal
  10. Chemical that starts to help or speed up a chemical reaction.
Down
  1. Very reactive metals in group 1 of the periodic table.
  2. A reaction between an acid and a base.
  3. A very small particle that makes up all things. Atoms have the same properties as the objects they make up.
  4. A representation of a chemical reaction. It lists the reactants involved and the products formed.
  5. Man's best friend
  6. Scale from 1 (acidic) to 14 (basic) that measures how acidic or basic a substance is.
  7. Likes to chase mice
  8. A chemical substance that will react with an acid to produce a salt and water.
  9. Neither acidic nor basic
  10. The compound formed by the sharing of electrons.

20 Clues: Has a trunk • Flying mammal • Large marsupial • Man's best friend • Likes to chase mice • Neither acidic nor basic • bases that dissolve in water. • A reaction between an acid and a base. • The compound formed by the sharing of electrons. • Very reactive metals in group 1 of the periodic table. • A measure of the acidity or alkalinity or water, soil etc. • ...

Ag 7.1 2025-10-27

Ag 7.1 crossword puzzle
Across
  1. made of two or more atoms bonded (connected) together
  2. pH of 7
  3. reaction in which temperature increases; energy is released
  4. pH of 0-6
  5. pH of 8-14
  6. the basic building blocks of matter; cannot be created, divided, or destroyed
  7. the new substances that are produced from a chemical reaction
  8. Atoms are ___________ during a chemical reaction.
Down
  1. reaction in which temperature decreases; energy is absorbed (taken in)
  2. anything that has mass & takes up space
  3. the original substances you start with before the chemical reaction occurs
  4. the science & art of growing plants & raising animals for food, fiber & fuel
  5. the amount of hydrogen (ions) a substance has
  6. ____________ of matter states that matter cannot be created or destroyed. It can only change form.

14 Clues: pH of 7 • pH of 0-6 • pH of 8-14 • anything that has mass & takes up space • the amount of hydrogen (ions) a substance has • Atoms are ___________ during a chemical reaction. • made of two or more atoms bonded (connected) together • reaction in which temperature increases; energy is released • the new substances that are produced from a chemical reaction • ...

Will Johnson Ch. 13 2021-11-29

Will Johnson Ch. 13 crossword puzzle
Across
  1. if changed, the equilibrium shifts to oppose change, until a new equilibrium is reached
  2. name for H30+
  3. chemical that accepts a hydrogen ion
  4. the combining of atoms in a chemical reaction
  5. the breaking down of an atom in a chemical reaction
Down
  1. name for OH-
  2. how fast the concentration decreases of reactants and the product increases
  3. substance that lowers the activation energy of a chemical reaction, which quickens the reaction rate
  4. when reaction and its reverse act at the same rate; the end of a reaction
  5. chemical that donates a hydrogen ion

10 Clues: name for OH- • name for H30+ • chemical that accepts a hydrogen ion • chemical that donates a hydrogen ion • the combining of atoms in a chemical reaction • the breaking down of an atom in a chemical reaction • when reaction and its reverse act at the same rate; the end of a reaction • how fast the concentration decreases of reactants and the product increases • ...

WS Equilibrium 2024-04-22

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

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

Derek Perrin 2019-06-11

Derek Perrin crossword puzzle
Across
  1. 1S^1
  2. Water
  3. Number of atoms and the charge are the same for both sides of the reaction
  4. what you have starting out in a chemical equation
  5. Way of using formulas to indicate the chemicals in the reaction
  6. AB= A Plus B
  7. Stealing or Transfer of Electrons
  8. Two molecules switch with each other
  9. Number next to atom to show how much of it there is
  10. Involves fire,burning, and explosions
  11. A Plus B= AB
  12. What you have at the end of a chemical equation
  13. Rearrangement of molecular or ionic structure of a substance
  14. Solution in which the solvent is water
Down
  1. Show the bonding between molecules
  2. Symbolic representation of a chemical reaction
  3. Involved in Bonding
  4. One molecule switches with another one
  5. Negatively Charged Ion
  6. Sodium Chloride
  7. Sharing of Electrons
  8. Different Electron Levels
  9. Mass cannot be created or destroyed
  10. Positively Charged Ion

24 Clues: 1S^1 • Water • AB= A Plus B • A Plus B= AB • Sodium Chloride • Involved in Bonding • Sharing of Electrons • Negatively Charged Ion • Positively Charged Ion • Different Electron Levels • Stealing or Transfer of Electrons • Show the bonding between molecules • Mass cannot be created or destroyed • Two molecules switch with each other • Involves fire,burning, and explosions • ...

Chemistry SNC1D 2021-03-19

Chemistry SNC1D crossword puzzle
Across
  1. The smallest particle that makes up matter
  2. A burning splint makes a pop in this gas
  3. Use to test for carbon dioxide
  4. Uses electricity to decompose matter
  5. A variable that is not changed
  6. A substance at the start of a reaction
  7. Gases that are un-reactive
  8. To break down a substance
Down
  1. Produced by two different elements bonding
  2. Smallest piece of a compound
  3. A property that tells mass/volume
  4. Atoms do this to form a molecule
  5. Anything with mass and volume
  6. The study of matter and its changes
  7. Found on the periodic table
  8. This type of reaction makes new substances
  9. Made in a chemical reaction
  10. Causes a glowing splint to relight
  11. A shorthand way of describing a chemical change
  12. A light gas that does not burn
  13. A compound formed when oxygen joins an element

21 Clues: To break down a substance • Gases that are un-reactive • Found on the periodic table • Made in a chemical reaction • Smallest piece of a compound • Anything with mass and volume • Use to test for carbon dioxide • A light gas that does not burn • A variable that is not changed • Atoms do this to form a molecule • A property that tells mass/volume • ...

Chemistry Crossword 2014-11-07

Chemistry Crossword crossword puzzle
Across
  1. If you win 1st in the Olympics
  2. If you win 2nd in the Olympics
  3. metal + non metal
  4. absorbs heat
  5. New substance made in a chemical reaction
  6. most reactive of the metals
  7. Name of a planet and liquid at room temperature
  8. mass of one atom of an element
  9. most stable and un-reactive elements
  10. Experiment where products or chemical reactions can escape
  11. have both metallic and non-metallic properties
  12. Liquid at room temperature
  13. Substances in a chemical reaction
  14. You use this element to clean swimming pools
  15. Makes your bones stronger
  16. shiny, malleable and ductile
Down
  1. It is present in Bananas
  2. non metal + non metal
  3. most reactive non metals
  4. Your voice sounds high pitched when you consume it
  5. releases heat
  6. What you breathe in
  7. ________ + Chlorine = NaCl
  8. Pure substance
  9. "the presence of a ________ can affect the reaction rate"

25 Clues: absorbs heat • releases heat • Pure substance • metal + non metal • What you breathe in • non metal + non metal • It is present in Bananas • most reactive non metals • Makes your bones stronger • ________ + Chlorine = NaCl • Liquid at room temperature • most reactive of the metals • shiny, malleable and ductile • If you win 1st in the Olympics • If you win 2nd in the Olympics • ...

8th Grade Science review 1 2025-01-14

8th Grade Science review 1 crossword puzzle
Across
  1. Used to represent systems that are to large or to small to see.
  2. A possible explanation or answer for a problem or question.
  3. When something is given off.
  4. The measurement of the average kinetic energy of molecules in a material.
  5. To take something in.
  6. Information gathered by an investigation.
  7. Used to support or refute a claim.
  8. Where light originates from.
  9. Used to convince someone of something.
  10. The substances after a chemical reaction occurs.
Down
  1. The substances before a chemical reaction occurs.
  2. What atoms do during a chemical reaction.
  3. Stored Energy.
  4. H on the periodic table of elements.
  5. The energy of movement.
  6. When energy is changed from one type to another.
  7. A guess at what might happen.
  8. When energy moves from one place to another.
  9. The ability to cause movement or change.
  10. A pure substance that only made of one type of atom.

20 Clues: Stored Energy. • To take something in. • The energy of movement. • When something is given off. • Where light originates from. • A guess at what might happen. • Used to support or refute a claim. • H on the periodic table of elements. • Used to convince someone of something. • The ability to cause movement or change. • What atoms do during a chemical reaction. • ...

IGCSE Atoms, Elements & Compounds Crossword 2025-10-05

IGCSE Atoms, Elements & Compounds Crossword crossword puzzle
Across
  1. An acid reacts with a base (or alkali) to form a salt and water. (15)
  2. An ion that does not take part in a reaction. (9, 3)
  3. A chemical reaction that releases heat energy. (10)
  4. A substance that is present at the start of a reaction. (8)
  5. A chemical reaction that absorbs heat energy. (11)
Down
  1. Symbols used in chemical equations to show states of matter. (5, 7)
  2. A substance that reacts with oxygen to produce carbon dioxide and water. (4)
  3. A loss of oxygen or a gain of electrons. (9)
  4. A chemical reaction where one reactant breaks down into two or more simpler substances or products. (13)
  5. The scientific term for burning. (10)
  6. A substance that is present at the end of a reaction. (7)
  7. A more reactive element replaces a less reactive element from its compound. (12)
  8. A gain of oxygen or a loss of electrons. (9)

13 Clues: The scientific term for burning. (10) • A loss of oxygen or a gain of electrons. (9) • A gain of oxygen or a loss of electrons. (9) • A chemical reaction that absorbs heat energy. (11) • A chemical reaction that releases heat energy. (10) • An ion that does not take part in a reaction. (9, 3) • A substance that is present at the end of a reaction. (7) • ...

Chemical Bonding Vocabulary 2023-11-03

Chemical Bonding Vocabulary crossword puzzle
Across
  1. ion with a positive charge
  2. A free element replaces another in a compound. A + BC --> AC + B
  3. a lasting attraction between atoms
  4. a bond between two nonmetals. A bond when electrons are being shared.
  5. a chemical reaction accompanied by the absorption of heat.
  6. an atom that is missing or gains extra electrons and has a negative or positive charge
  7. the number that represents how many molecules in a chemical equation
  8. when bonds between atoms are broken and created to form new molecules.
  9. when one compound splits into two or more substances. AB --> A + B
  10. a chemical reaction that releases energy in the form of heat or light
Down
  1. a way to describe what goes on in a chemical reaction
  2. the substance that undergoes a chemical change. It is written on the left side of the chemical equation.
  3. electrons in the most outer shell of an atom
  4. when two different elements combine to form a more complex substance. A + B --> AB
  5. the small number that represents how many atoms of the element in a chemical formula
  6. the parts of two different compounds switch places with one another to form two new compounds. AB + CD --> AD + CB
  7. the result of a chemical change. It is written on the right side of the chemical equation.
  8. ion with a negative charge
  9. a bond between a metal and nonmetal. A bond where electrons are being transferred.

19 Clues: ion with a positive charge • ion with a negative charge • a lasting attraction between atoms • electrons in the most outer shell of an atom • a way to describe what goes on in a chemical reaction • a chemical reaction accompanied by the absorption of heat. • A free element replaces another in a compound. A + BC --> AC + B • ...

Evidences of Chemical Reactions Crossword 2024-11-12

Evidences of Chemical Reactions Crossword crossword puzzle
Across
  1. can be found in fizzing or bubbling of substances
  2. the resulting substance af a chemical reaction
  3. an _ reaction releases heat
  4. starting substance of a chemical reaction
  5. a _ reaction changes substances into new substances
Down
  1. an _ reaction absorbs heat
  2. usually found when a substance rots
  3. emits energy through thermal energy
  4. solid formed in some chemical reactions
  5. usually seen in the rusting of metal over time

10 Clues: an _ reaction absorbs heat • an _ reaction releases heat • usually found when a substance rots • emits energy through thermal energy • solid formed in some chemical reactions • starting substance of a chemical reaction • the resulting substance af a chemical reaction • usually seen in the rusting of metal over time • can be found in fizzing or bubbling of substances • ...

CrossWord 2024-05-07

CrossWord crossword puzzle
Across
  1. : A group of atoms held together by chemical bonds.
  2. : The substance that is dissolved in a solvent to form a solution.
  3. : An arrangement of elements in order of increasing atomic number.
  4. : A substance capable of dissolving other substances to form a solution.
  5. : Describing a process or reaction that absorbs heat from the surroundings.
  6. : A measure of the acidity or basicity of a solution, ranging from 0 to 14.
  7. : The smallest unit of an element that retains its properties.
Down
  1. : A state of balance in a chemical reaction where the rates of forward and reverse reactions are equal.
  2. : A chemical reaction involving the rapid combination of a substance with oxygen, releasing heat and light.
  3. : A compound that accepts hydrogen ions in water, with a pH greater than 7.
  4. : Describing a process or reaction that releases heat to the surroundings.
  5. : A substance that increases the rate of a chemical reaction without being consumed.
  6. : The unit used to measure the amount of a substance, equal to 6.022 × 10^23 particles.
  7. : A compound that releases hydrogen ions in water, with a pH less than 7.
  8. : A solid that forms from a solution and settles to the bottom of a container.
  9. : A pure substance that cannot be broken down into simpler substances by chemical means.
  10. : A substance composed of two or more different elements chemically bonded together.

17 Clues: : A group of atoms held together by chemical bonds. • : The smallest unit of an element that retains its properties. • : The substance that is dissolved in a solvent to form a solution. • : An arrangement of elements in order of increasing atomic number. • : A substance capable of dissolving other substances to form a solution. • ...

Chemical Reactions Vocabulary 2025-02-05

Chemical Reactions Vocabulary crossword puzzle
Across
  1. The materials used to start a chemical reaction
  2. The materials formed at the end of a reaction
  3. A reaction in which the positive and negative ions of two ionic compounds exchange places to form two new compounds
  4. Chemical reactions written with chemical names
  5. A reaction in which one element replaces a similar element in a compound
  6. A reaction in which a compound breaks down into two or more elements or smaller compounds
Down
  1. A representation of a chemical reaction that displays the reactants and products with chemical formulas
  2. When one or more substances is converted into one or more new substances
  3. A reaction in which two or more substances combine to form a single new substance
  4. Used instead of an equals sign
  5. A material that has been dissolved in water

11 Clues: Used instead of an equals sign • A material that has been dissolved in water • The materials formed at the end of a reaction • Chemical reactions written with chemical names • The materials used to start a chemical reaction • When one or more substances is converted into one or more new substances • ...

unit 12 kinetics crossword 2024-02-02

unit 12 kinetics crossword crossword puzzle
Across
  1. model that emphasizes the energy and orientation of molecular collisions to explain and predict reaction kinetics
  2. minimum energy necessary in order for a reaction to take place
  3. slowest elementary reaction in a reaction mechanism; determines the rate of the overall reaction
  4. stepwise sequence of elementary reactions by which a chemical change takes place
  5. number of reactant species involved in an elementary reaction
  6. Equation showing how the rate of a reaction depends on the concentration of reactants
  7. mathematical relationship between a reaction’s rate constant, activation energy, and temperature
  8. elementary reaction involving a single reactant species
  9. proportionality constant in a rate law
Down
  1. catalyst present in the same phase as the reactants
  2. species produced in one step of a reaction mechanism and consumed in a subsequent step
  3. how fast a reaction happens over a specific time, found by dividing concentration change by time change
  4. elementary reaction involving three reactant species
  5. (also, transition state) unstable combination of reactant species formed during a chemical reaction
  6. elementary reaction involving two reactant species
  7. catalyst present in a different phase from the reactants, furnishing a surface at which a reaction can occur
  8. time required for half of a given amount of reactant to be consumed

17 Clues: proportionality constant in a rate law • elementary reaction involving two reactant species • catalyst present in the same phase as the reactants • elementary reaction involving three reactant species • elementary reaction involving a single reactant species • number of reactant species involved in an elementary reaction • ...

Final Project Concept 3 2023-05-25

Final Project Concept 3 crossword puzzle
Across
  1. substances that are made by a chemical reaction
  2. oxygen present
  3. pancake like stacks of thylakoids membrane
  4. oxygen not present
  5. fluid like substance that fills the space between grana
  6. absorbs energy
  7. eats meat and vegetation
  8. mostly proteins that speed up bio chemical reactions
  9. pigment that captures sunlight
  10. the amount of energy to make a chemical reaction
  11. all of the chemical reactions within each cell organism
  12. enzymes active site gets deformed
  13. releases energy
Down
  1. substances that are changed during a chemical reaction
  2. breaking and forming of bonds between different substiances
  3. eats only vegetation
  4. fluid like substance that fills the space
  5. folded membranes
  6. eats only meat
  7. build larger molecules from smaller ones
  8. process of an organism making its own food
  9. eat dead materials
  10. Substances that speed up reactions without being permanent
  11. overall process by which sunlight water and carbon dioxide are chemically converted into energy stored in glycosides
  12. respiration
  13. called heterotrophs, get energy living or once living thing
  14. only fits one sub straight
  15. called autotrophs, get energy from nonliving sources
  16. breakdown larger molecules into simpler compounds

29 Clues: respiration • oxygen present • eats only meat • absorbs energy • releases energy • folded membranes • oxygen not present • eat dead materials • eats only vegetation • eats meat and vegetation • only fits one sub straight • pigment that captures sunlight • enzymes active site gets deformed • build larger molecules from smaller ones • fluid like substance that fills the space • ...

Types Of Reactions 2024-05-05

Types Of Reactions crossword puzzle
Across
  1. When 2 substances combine
  2. Reaction where removal of oxygen from a substance occurs
  3. Adding of coefficients to ensure law of conservation of mass isn't violated
  4. Exchange of ions to form 2 new substances
  5. Used to split water into hydrogen and oxygen
  6. Released during an exothermic reaction
  7. Combining capacity of an element/compound
Down
  1. Used to know if 1 metal displaces the other
  2. Insoluble substance
  3. Reaction that causes bad odor and taste
  4. Solution state where a salt is dissolved in water
  5. Decomposition reaction by absorbing light
  6. Increases the rate of a chemical reaction
  7. Found on the L.H.S of a chemical equation
  8. Reaction where metal is oxidised, leading to its destruction

15 Clues: Insoluble substance • When 2 substances combine • Released during an exothermic reaction • Reaction that causes bad odor and taste • Decomposition reaction by absorbing light • Increases the rate of a chemical reaction • Found on the L.H.S of a chemical equation • Exchange of ions to form 2 new substances • Combining capacity of an element/compound • ...

Will Johnson Ch. 13 2021-11-29

Will Johnson Ch. 13 crossword puzzle
Across
  1. name for H30+
  2. chemical that accepts a hydrogen ion
  3. if changed, the equilibrium shifts to oppose change, until a new equilibrium is reached
  4. when reaction and its reverse act at the same rate; the end of a reaction
  5. the combining of atoms in a chemical reaction
Down
  1. name for OH-
  2. chemical that donates a hydrogen ion
  3. how fast the concentration decreases of reactants and the product increases
  4. the breaking down of an atom in a chemical reaction
  5. substance that lowers the activation energy of a chemical reaction, which quickens the reaction rate

10 Clues: name for OH- • name for H30+ • chemical that donates a hydrogen ion • chemical that accepts a hydrogen ion • the combining of atoms in a chemical reaction • the breaking down of an atom in a chemical reaction • when reaction and its reverse act at the same rate; the end of a reaction • how fast the concentration decreases of reactants and the product increases • ...

Photosynthesis 2024-11-07

Photosynthesis crossword puzzle
Across
  1. a chemical process that changes molecules from one fomr to another
  2. a molecule that becomes part of glucose
  3. the green pigment found in plants and some bacteria
  4. blue green single cell organisms that photosynthesize
  5. the chemical process powered by light that lets plants make thier own food
  6. gasses given off by chemical reactions
Down
  1. a gas produces during photosynthesis
  2. mutually beneficial for two different living things
  3. gas that traps heat from the sun
  4. adenosinetriphosphate
  5. green "pancake" that contains pigment
  6. the chemicals that go into a reaction
  7. the chemicals produced or made by a reaction
  8. change from one form to another
  9. A flat, usually green part of a plant
  10. the organelle that performs photosynthesis
  11. food for plants
  12. a gas that is a reactant during photosynthesis
  13. the main part of a plant above ground

19 Clues: food for plants • adenosinetriphosphate • change from one form to another • gas that traps heat from the sun • a gas produces during photosynthesis • green "pancake" that contains pigment • the chemicals that go into a reaction • A flat, usually green part of a plant • the main part of a plant above ground • gasses given off by chemical reactions • ...

voc. 7 2021-12-06

voc. 7 crossword puzzle
Across
  1. chemical change
  2. substances on the left of the equation
  3. disperse the heat
  4. a large protein molecule that speeds up reactions
Down
  1. an equation that shows the elements changing
  2. a substance that speeds up the chemical reaction
  3. a substance that slows the chemical reaction
  4. the amount of energy needed for a reaction to occur
  5. the certain amount of volume
  6. how fast the chemical will react
  7. absorbs the heat
  8. ones on the left side

12 Clues: chemical change • absorbs the heat • disperse the heat • ones on the left side • the certain amount of volume • how fast the chemical will react • substances on the left of the equation • an equation that shows the elements changing • a substance that slows the chemical reaction • a substance that speeds up the chemical reaction • ...

voc. 7 2021-12-06

voc. 7 crossword puzzle
Across
  1. the certain amount of volume
  2. substances on the left of the equation
  3. an equation that shows the elements changing
  4. ones on the left side
  5. a substance that speeds up the chemical reaction
Down
  1. chemical change
  2. disperse the heat
  3. absorbs the heat
  4. a substance that slows the chemical reaction
  5. a large protein molecule that speeds up reactions
  6. how fast the chemical will react
  7. the amount of energy needed for a reaction to occur

12 Clues: chemical change • absorbs the heat • disperse the heat • ones on the left side • the certain amount of volume • how fast the chemical will react • substances on the left of the equation • a substance that slows the chemical reaction • an equation that shows the elements changing • a substance that speeds up the chemical reaction • ...

Unit 4 Exam Review 2021-11-29

Unit 4 Exam Review crossword puzzle
Across
  1. 1 _____ of Li weighs 6.941 g
  2. represents a substance using chemical symbols and numbers
  3. a substance created in a reaction and located on the right-hand side of a chemical equation
  4. the cations and anions of two compounds switch places to form two new products
  5. the relationship between quantities of reactants and products
  6. burning baking soda demonstrates this reaction
  7. the average mass of an atom of an element
Down
  1. reacts with oxygen gas and releases energy
  2. the value 6.022 x 10^23
  3. numbers in front of a chemical symbol or formula
  4. has the form A + BC --> B + AC
  5. all balanced chemical equations obey this
  6. has the form A + B --> AB
  7. one or more reactants are converted into one or more products
  8. a substance used in a reaction and located on the left-hand side of a chemical equation
  9. the mass of a compound of one mole of a substance

16 Clues: the value 6.022 x 10^23 • has the form A + B --> AB • 1 _____ of Li weighs 6.941 g • has the form A + BC --> B + AC • all balanced chemical equations obey this • the average mass of an atom of an element • reacts with oxygen gas and releases energy • burning baking soda demonstrates this reaction • numbers in front of a chemical symbol or formula • ...

Pre-AP Chemistry Chemical Reactions 2022-01-11

Pre-AP Chemistry Chemical Reactions crossword puzzle
Across
  1. Methane
  2. This number is permanent and can not be changed in a compound.
  3. Atoms lose or gain electrons to form these.
  4. This type of reaction represents breaking down of compounds into simpler substances.
  5. This type reaction represents two or more elements or compounds to make more complex substance.
  6. This type of reaction occurs when one element replaces another one in a compound.
  7. This charge is formed by gaining electrons.
  8. This number can be changed to balance a chemical equation.
Down
  1. This type of elements always gain electrons.
  2. This charge is formed by losing electrons.
  3. The small letter that can't be changed, written under a element or a molecule.
  4. The number that can be changed, placed in front of a molecule
  5. This type of reaction represent burning of the oxygen to form water and carbon dioxide.
  6. This type of elements always lose electrons.
  7. This type of reaction occurs when different atoms in two different compounds trade places.
  8. Oxygen
  9. Ammonia
  10. This element is used to burn a compound and form combustion reaction.
  11. The ratio of the actual amount and the theoretical amount in a chemical reaction.
  12. This particle can not be created or destroyed during a chemical reaction.

20 Clues: Oxygen • Methane • Ammonia • This charge is formed by losing electrons. • Atoms lose or gain electrons to form these. • This charge is formed by gaining electrons. • This type of elements always gain electrons. • This type of elements always lose electrons. • This number can be changed to balance a chemical equation. • ...

Chemical reactions 2022-05-13

Chemical reactions crossword puzzle
Across
  1. it gives out heat during the reaction
  2. the elements reacting together in a chemical reaction
  3. this reactions needs heat to occur
  4. magnesium(Mg) + oxygen(O2)
Down
  1. something that helps speed up a chemical reaction
  2. magnesium(Mg) + chloride(Cl) (magnesium ___)
  3. a revesible reaction
  4. the result when iron(Fe) reacts with water(H2O) and oxygen(O2)
  5. carbon(C) + oxygen(O2) (___ dioxide)
  6. a chemical reaction forms a chemical..

10 Clues: a revesible reaction • magnesium(Mg) + oxygen(O2) • this reactions needs heat to occur • carbon(C) + oxygen(O2) (___ dioxide) • it gives out heat during the reaction • a chemical reaction forms a chemical.. • magnesium(Mg) + chloride(Cl) (magnesium ___) • something that helps speed up a chemical reaction • the elements reacting together in a chemical reaction • ...

Chemistry Crowssword 2017-11-08

Chemistry Crowssword crossword puzzle
Across
  1. When oxygen reacts w/ a substance to form a new substance.
  2. Made from chemical reaction
  3. Shine of substance
  4. Ability to conduct electricity/heat energy
  5. Metal+Non-Metal
  6. Cloudy mixture that can be separated
  7. Material made of 2 or more elements
  8. Pure substance
  9. Substances that helps speed up a reaction
  10. number that represents the number of atoms in an element.
  11. To absorb heat
Down
  1. gas to solid
  2. Chemical change in your body
  3. ability to pound into sheets
  4. Mass in given volume
  5. Slow chemical change when oxygen reacts with a metal
  6. organic catalysts
  7. solid to gas
  8. Ability to dissolve.
  9. anything that has mass and occupies space
  10. Letters/Number to indicate what elements are in product
  11. Starting materials of a reaction
  12. Ability to thin into wire.
  13. To release heat
  14. Non-Metal+Non-Metal

25 Clues: gas to solid • solid to gas • Pure substance • To absorb heat • Metal+Non-Metal • To release heat • organic catalysts • Shine of substance • Non-Metal+Non-Metal • Mass in given volume • Ability to dissolve. • Ability to thin into wire. • Made from chemical reaction • Chemical change in your body • ability to pound into sheets • Starting materials of a reaction • ...

Chemistry Crossword 2014-11-07

Chemistry Crossword crossword puzzle
Across
  1. If you win 1st in the Olympics
  2. Pure substance
  3. most reactive of the metals
  4. Experiment where products or chemical reactions can escape
  5. You use this element to clean swimming pools
  6. Liquid at room temperature
  7. have both metallic and non-metallic properties
  8. non metal + non metal
  9. most reactive non metals
  10. It is present in Bananas
  11. releases heat
  12. mass of one atom of an element
Down
  1. What you breathe in
  2. "the presence of a ________ can affect the reaction rate"
  3. metal + non metal
  4. Makes your bones stronger
  5. Substances in a chemical reaction
  6. Name of a planet and liquid at room temperature
  7. If you win 2nd in the Olympics
  8. absorbs heat
  9. ________ + Chlorine = NaCl
  10. most stable and un-reactive elements
  11. New substance made in a chemical reaction
  12. Your voice sounds high pitched when you consume it
  13. shiny, malleable and ductile

25 Clues: absorbs heat • releases heat • Pure substance • metal + non metal • What you breathe in • non metal + non metal • most reactive non metals • It is present in Bananas • Makes your bones stronger • Liquid at room temperature • ________ + Chlorine = NaCl • most reactive of the metals • shiny, malleable and ductile • If you win 1st in the Olympics • If you win 2nd in the Olympics • ...

Unit 2 Marcus Briscoe 2023-04-04

Unit 2 Marcus Briscoe crossword puzzle
Across
  1. Multiple organ system together
  2. Atoms combining to form.
  3. Water fearing.
  4. The part of an enzyme where the Substrate goes into.
  5. Water loving.
  6. Multiple organelles together.
  7. One of the methods that move molecule across without using energy or ATP.
  8. The basic unit of matter.
  9. The reactant in the chemical reaction.
  10. A protein that speeds up chemical reactions.
  11. The active site of an enzyme changes or deforms.
Down
  1. When Molecules move from cluster to spaced out.
  2. The results of a chemical reaction.
  3. Multiple molecules together.
  4. The cell membrane is made of.
  5. Allowing certain molecule to come in and out.
  6. The cell using energy or ATP to move molecules across the membrane through a protein.
  7. Energy required to create a reaction.
  8. Many cells packed together.
  9. The diffusion of water.
  10. Many organs together.
  11. Multiple tissues packed together.

22 Clues: Water loving. • Water fearing. • Many organs together. • The diffusion of water. • Atoms combining to form. • The basic unit of matter. • Many cells packed together. • Multiple molecules together. • The cell membrane is made of. • Multiple organelles together. • Multiple organ system together • Multiple tissues packed together. • The results of a chemical reaction. • ...

Enzymes 2021-08-25

Enzymes crossword puzzle
Across
  1. Substances that are created and come OUT of a chemical reaction.
  2. Type of protein that speeds up a chemical reaction.
  3. The energy required to start a chemical reaction.
  4. Substance that goes IN a chemical reaction.
  5. Enzymes _____ the energy needed to start a reaction.
Down
  1. Where an enzyme and a substrate meet or connect.
  2. The substance the enzyme acts on.
  3. ______ or pH can change the shape of the active site.
  4. Building block of proteins.
  5. Enzymes are an example of this type of macromolecule.
  6. Example of the enzyme that breaks down lactose.

11 Clues: Building block of proteins. • The substance the enzyme acts on. • Substance that goes IN a chemical reaction. • Example of the enzyme that breaks down lactose. • Where an enzyme and a substrate meet or connect. • The energy required to start a chemical reaction. • Type of protein that speeds up a chemical reaction. • Enzymes _____ the energy needed to start a reaction. • ...

Unit 4 vocabulary 2023-10-10

Unit 4 vocabulary crossword puzzle
Across
  1. where substrates fit into enzymes
  2. breaks down larger molecules into simpler compounds
  3. builds larger molecules from smaller ones
  4. builds a polymer by linking monomers
  5. larger, complex structures (made of monomers)
  6. deformation of an active site
Down
  1. substances that are made by a chemical reaction
  2. proteins that speed up and lower the activation energy
  3. the amount of energy needed to make a chemical reaction
  4. releases energy
  5. small, basic sub units
  6. breaks big polymers into smaller monomers
  7. breaking and forming of different bonds
  8. absorbs energy
  9. substances that are changed during a chemical reaction

15 Clues: absorbs energy • releases energy • small, basic sub units • deformation of an active site • where substrates fit into enzymes • builds a polymer by linking monomers • breaking and forming of different bonds • builds larger molecules from smaller ones • breaks big polymers into smaller monomers • larger, complex structures (made of monomers) • ...

Vocab crossword 2024-03-19

Vocab crossword crossword puzzle
Across
  1. Reaction: a proccess that involves rearrangement of the molecular of the ionic structure if a substance, as opposed to a change in the physical form or a nuclear reaction
  2. Reaction:chemical decomposition, or chemical breakdown, is the process or effect of simplifying a single chemical entity into two or more functional
  3. reaction: a substitution reaction is a chemical reaction during which one functional group in a chemical compound is replaced by another functional group
  4. Replacement: A reaction in which the positive and negative ions of ionic compounds exchange places to form new compounds
Down
  1. Reaction: combustion, or burning, is a high temputature exothermic redox chemical reaction between a fuel and an oxient, usually atmospheric oxygen, that produces oxidized, often generous products in a mixture termed as smoke
  2. (Chemistry term): a measure of the quantity of moles of a product formed in relation to the reactant consumed, obtained in a chemical reaction, usually expressed as a percentage
  3. reactant: the limiting reagent in a chemical reaction is a reactant that is totally consumed when the chemical reaction is completed
  4. Reactant: a reactant present in an amount in excess of that required to combine with all of the reactant
  5. The process or result of oxidizing or being oxidized
  6. Replacement:A reaction where the ion gets replaced

10 Clues: Replacement:A reaction where the ion gets replaced • The process or result of oxidizing or being oxidized • Reactant: a reactant present in an amount in excess of that required to combine with all of the reactant • Replacement: A reaction in which the positive and negative ions of ionic compounds exchange places to form new compounds • ...

Chemistry crossword 2023-10-30

Chemistry crossword crossword puzzle
Across
  1. insoluble solid formed in reaction
  2. compound made of metal and non-metal
  3. chemicals created during a reaction
  4. one ion in compound replaced/swapped with another
  5. an atom that has gained or lost electrons
  6. quick exothermic reaction of fuel and oxygen
  7. NO3
  8. breaks down reactant into 2 or more chemicals
  9. SO4
  10. chemical which speeds up a reaction
Down
  1. chemicals at the start of a reaction
  2. CO3
  3. a reaction which releases heat, light or sound
  4. a reaction where temperature goes down
  5. combines reactants
  6. slow reaction of metal and oxygen
  7. energy required to start a reaction
  8. used to determine hydrogen as a product

18 Clues: CO3 • NO3 • SO4 • combines reactants • slow reaction of metal and oxygen • insoluble solid formed in reaction • chemicals created during a reaction • energy required to start a reaction • chemical which speeds up a reaction • chemicals at the start of a reaction • compound made of metal and non-metal • a reaction where temperature goes down • used to determine hydrogen as a product • ...

Chapter 4 Terms 2016-01-10

Chapter 4 Terms crossword puzzle
Across
  1. changes that affect size, shape, state, or density
  2. the capacity of matter to do work
  3. An antelope running from lions has ____ energy
  4. A cantaloupe being held 5 feet above the ground has ____ energy
  5. chemical The Law of _______ of Mass states that the total mass of substances involved in a _____ reaction is constant
  6. conductivity the rate at which heat passes through a specific material
  7. substances involved in a chemical reaction
  8. physical property of a solute
  9. The pH scale measures _____
  10. conductivity the degree to which a specific material conducts electricity
  11. is the state or process of rotting; decay
  12. substance resulting from a chemical reaction
  13. point the temperature at which a liquid boils and turns into vapor
Down
  1. the willingness of a substance to combust
  2. e.g., solid, liquid, plasma
  3. point fahrenheit 212 degrees
  4. Water is the universal ______
  5. the connection between electric currents and magnetic fields
  6. changes that affect reactivity
  7. how close together the atoms composing a substance are
  8. 1 calorie=4.184 ____
  9. the amount of energy required to heat 1g of a substance by 1°C (two words)
  10. gradual destruction of a metal or alloy
  11. the capacity of a substance to be drawn into wire
  12. reaction with oxygen
  13. specific heat of pure water

26 Clues: 1 calorie=4.184 ____ • reaction with oxygen • e.g., solid, liquid, plasma • The pH scale measures _____ • specific heat of pure water • point fahrenheit 212 degrees • Water is the universal ______ • physical property of a solute • changes that affect reactivity • the capacity of matter to do work • gradual destruction of a metal or alloy • the willingness of a substance to combust • ...

Chemistry Crossword 2017-11-08

Chemistry Crossword crossword puzzle
Across
  1. To release heat
  2. number that represents the number of atoms in an element.
  3. Made from chemical reaction
  4. ability to pound into sheets
  5. When oxygen reacts w/ a substance to form a new substance.
  6. Non-Metal+Non-Metal
  7. Ability to conduct electricity/heat energy
  8. Ability to thin into wire.
  9. Slow chemical change when oxygen reacts with a metal
  10. To absorb heat
  11. Starting materials of a reaction
  12. Mass in given volume
  13. Shine of substance
Down
  1. solid to gas
  2. Cloudy mixture that can be separated
  3. Chemical change in your body
  4. gas to solid
  5. Metal+Non-Metal
  6. Material made of 2 or more elements
  7. Ability to dissolve.
  8. anything that has mass and occupies space
  9. Letters/Number to indicate what elements are in product
  10. Pure substance
  11. organic catalysts
  12. Substances that helps speed up a reaction

25 Clues: solid to gas • gas to solid • Pure substance • To absorb heat • To release heat • Metal+Non-Metal • organic catalysts • Shine of substance • Non-Metal+Non-Metal • Ability to dissolve. • Mass in given volume • Ability to thin into wire. • Made from chemical reaction • Chemical change in your body • ability to pound into sheets • Starting materials of a reaction • ...

Chemistry Crossword 2017-11-08

Chemistry Crossword crossword puzzle
Across
  1. Letters/Number to indicate what elements are in product
  2. Material made of 2 or more elements
  3. Made from chemical reaction
  4. Non-Metal+Non-Metal
  5. organic catalysts
  6. gas to solid
  7. Ability to thin into wire.
  8. When oxygen reacts w/ a substance to form a new substance.
  9. Substances that helps speed up a reaction
  10. Chemical change in your body
  11. ability to pound into sheets
  12. Pure substance
Down
  1. Ability to dissolve.
  2. Shine of substance
  3. Slow chemical change when oxygen reacts with a metal
  4. number that represents the number of atoms in an element.
  5. anything that has mass and occupies space
  6. Starting materials of a reaction
  7. Metal+Non-Metal
  8. Ability to conduct electricity/heat energy
  9. To absorb heat
  10. Cloudy mixture that can be separated
  11. solid to gas
  12. To release heat
  13. Mass in given volume

25 Clues: gas to solid • solid to gas • To absorb heat • Pure substance • Metal+Non-Metal • To release heat • organic catalysts • Shine of substance • Non-Metal+Non-Metal • Ability to dissolve. • Mass in given volume • Ability to thin into wire. • Made from chemical reaction • Chemical change in your body • ability to pound into sheets • Starting materials of a reaction • ...

Biology Vocab Chocie Board . 2022-10-28

Biology Vocab Chocie Board . crossword puzzle
Across
  1. - plant cell wall
  2. - single sugar molecule, monomer of carbohydrate for example glucose.
  3. - a small unit that can join together to form a polymer.
  4. - the molecule upon which an enzyme acts
  5. - biomolecule made up of carbon, hydrogen, and oxygen that provide quick energy.
  6. - simple sugar
  7. fats - no double bonds
  8. - a folded chain of amino acids that build and repair body tissues
  9. energy - start a reaction
Down
  1. - a lipid containing a phosphate group in its molecule, the primary component of the cell membrane.
  2. - change in shape caused by changes in temperature or ph
  3. complex - enzyme binds to its substrate molecules.
  4. fats - liquid at room temperature
  5. - sugar formed chemical bonding together
  6. - the storage form of glucose in animals
  7. - that speed up a chemical reaction
  8. acids - building blocks of protein
  9. - long-term energy
  10. - speed up the rate of chemical reaction
  11. acids - monomer of lipids

20 Clues: - simple sugar • - plant cell wall • - long-term energy • fats - no double bonds • acids - monomer of lipids • energy - start a reaction • fats - liquid at room temperature • acids - building blocks of protein • - that speed up a chemical reaction • - sugar formed chemical bonding together • - the storage form of glucose in animals • - the molecule upon which an enzyme acts • ...

Chemistry Crosswords 2017-11-11

Chemistry Crosswords crossword puzzle
Across
  1. process in which molecules move from an area of higher concentration to one of lower concentration
  2. energy stored in chemicals and released when chemicals react; a form of potential or stored energy
  3. change of state from a gas to a liquid
  4. change that results when two or more substances react to create a different substance or substances; the new substances have completely different properties from the original ones
  5. measure of atomic mass; 1 amu is equal to 1/12th the mass of a carbon 12 atom
  6. chemical reaction that takes place in cells; food (sugar) reacts with oxygen to produce energy, water, and carbon dioxide
  7. chemical reaction that absorbs energy
  8. number of protons in the nucleus of one atom of an element
  9. description of how a substance interacts with other substances, such as acids; chemical properties are observable only when a chemical change occurs
  10. a reaction that takes place when two or more substances react to form new substances
  11. cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance
  12. (CO(g)) colourless, odourless gas; produced by incomplete combustion of chemicals containing carbon (e.g. hydrocarbons); major source: motor vehicles
  13. chemical combination of two or more elements in a specific ratio
  14. with a pH lower than 7
  15. group 1 elements in the periodic table,not including hydrogen; the most reactive of the metals
  16. substance that helps a chemical reaction to proceed more quickly
Down
  1. mass of one atom of an element calculated from the total number of protons, neutrons, and electrons of that atom; measured in atomic mass units (amu)
  2. a solution in which water is the solvent
  3. compound that dissolves in water to form a
  4. catalyst involved in chemical reactions in living things
  5. description of a solid that can be stretched into a long wire
  6. slow chemical change that occurs when oxygen in the air reacts with a metal
  7. group 2 elements in the periodic table; their reactivity is not as strong as that of the alkali metals
  8. principle that matter is not created or destroyed in a chemical reaction; the mass of the products always equals the mass of the reactants
  9. an experiment in which all reactants and all products of a chemical reaction are accounted for
  10. combination of symbols that represent a compound; the formula identifies the elements in the compound and the amount of each element
  11. chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
  12. the smallest part of an element that is representative of that element; a neutral particle made up of a nucleus containing protons and neutrons, and in which the number of electrons equals the number of protons
  13. invisible negatively charged particle that orbits the nucleus of an atom
  14. amount of mass in a given volume of a substance

30 Clues: with a pH lower than 7 • chemical reaction that absorbs energy • change of state from a gas to a liquid • a solution in which water is the solvent • compound that dissolves in water to form a • amount of mass in a given volume of a substance • catalyst involved in chemical reactions in living things • number of protons in the nucleus of one atom of an element • ...

Unit 8 Chem- Vocabulary Puzzle 2021-03-10

Unit 8 Chem- Vocabulary Puzzle crossword puzzle
Across
  1. scale, goes from 0 to 14,indicates the acidity of a solution
  2. amount of solute dissolved in a given amount of solution
  3. group of connected and related things
  4. acids are electron pair acceptors-bases are electron pair donors
  5. acids are H+ producers-bases are OH– producers
  6. test to find out if a hypothesis can be supported
  7. reactions, processes by which substances are changed into new substances, different properties.
  8. charged species that result from the gain or loss of electrons from neutral atoms or molecules
  9. basic units of matter
  10. measure of the average kinetic energy of the particles of a system
  11. homogeneous mixtures of solutes and solvents
  12. acids are H+donors-bases are H+ acceptors
  13. solution that resists changes in pH.
  14. a measure concentration of how acidic or basic a solution is: = -log[H+]
  15. substance with a pH less than 7
  16. acid, the form a base takes after it gains a hydrogen ion (or proton)
  17. materials produced during a chemical reaction
Down
  1. principle, if equilibrium is disturbed, it will move in the direction that restores equilibrium
  2. energy, minimum energy that reactants must have for a reaction to occur
  3. force per unit of area
  4. separates into ions in water
  5. covalently bonded groups of atoms
  6. equal to the concentration of products divided by the concentration of reactants
  7. increases the rate of a reaction without being consumed during the reaction
  8. chemical reaction in which both forward and reverse reactions proceed at equal rates
  9. concentration of a solution expressed as the number of moles of solute dissolved in 1 L of solution.
  10. constant, the concentration of prod./ the con. of reactants, same at a given temp and pressure
  11. measurement of the OH- concentration in a substance: = 14 - pH
  12. substance with a pH greater than 7
  13. space occupied by matter
  14. equilibrium constant for a reaction
  15. rate, speed a reaction occurs, the change in concentration of a reactant or product over time
  16. starting materials in a chemical reaction
  17. base, the form an acid takes after it loses a hydrogen atom (or proton)

34 Clues: basic units of matter • force per unit of area • space occupied by matter • separates into ions in water • substance with a pH less than 7 • covalently bonded groups of atoms • substance with a pH greater than 7 • equilibrium constant for a reaction • solution that resists changes in pH. • group of connected and related things • acids are H+donors-bases are H+ acceptors • ...

Chemistry of Life 2021-11-16

Chemistry of Life crossword puzzle
Across
  1. Ability to do work
  2. Made of atoms of different elements
  3. ______ number is the number of protons in 1 atom
  4. Simplest part of a compound that can exist
  5. Bond in which atoms share electrons
  6. Particle with a charge of 0 and a weight of 1
  7. __________ bonds form between two water molecules
  8. _______ electrons fit in the first orbital
  9. Atoms are chemically _______ when the outermost orbital is full
  10. Particle with charge of -1; moves in orbitals
  11. All chemical reactions in an organism
Down
  1. Speeds up a reaction
  2. Result of a chemical reaction
  3. Particle with a charge of +1 and weight of 1
  4. Simplest substance of matter; cannot be broken down
  5. Anything that occupies space and has mass
  6. Central region of atom; protons and neutrons here
  7. What goes into a chemical reaction
  8. Space around nucleus where electrons move
  9. Simplest particle of an element
  10. How much matter an object has

21 Clues: Ability to do work • Speeds up a reaction • Result of a chemical reaction • How much matter an object has • Simplest particle of an element • What goes into a chemical reaction • Made of atoms of different elements • Bond in which atoms share electrons • All chemical reactions in an organism • Anything that occupies space and has mass • Space around nucleus where electrons move • ...

Unit 2 Katey Litten 2023-04-04

Unit 2 Katey Litten crossword puzzle
Across
  1. All organ systems combined
  2. To like or love water
  3. Basic unit of matter
  4. Where the enzyme and substrate fit perfectly together and have a chemical reaction
  5. Cells combined
  6. What comes out of/ what is made from the chemical reaction
  7. Organelles combined
  8. A way to move molecules across the membrane with no energy
  9. Tissues combined
  10. Organs combined to make a system
  11. A reactant molecule
  12. Atoms combined
  13. Special type of protein
  14. Allowing certain things to pass in or out
Down
  1. To fear or dislike water
  2. Makes up the cell membrane
  3. Molecules combined
  4. When molecules move from high concentration to low concentration
  5. A way to move molecules across the membrane with energy
  6. The minimum energy required for a chemical reaction to occur
  7. When the active site changes shape and cannot fit perfectly to the substrate
  8. Type of diffusion that uses water

22 Clues: Cells combined • Atoms combined • Tissues combined • Molecules combined • Organelles combined • A reactant molecule • Basic unit of matter • To like or love water • Special type of protein • To fear or dislike water • All organ systems combined • Makes up the cell membrane • Organs combined to make a system • Type of diffusion that uses water • Allowing certain things to pass in or out • ...

Chemical Reactions and Equations 2024-05-11

Chemical Reactions and Equations crossword puzzle
Across
  1. This type of reaction involves the breakdown of a compound into simpler substances.
  2. A reaction in which the positive and negative ions of two ionic compounds exchange places to form two new compounds.
  3. A decomposition reaction that is triggered by heat.
  4. A substance that causes another substance to be oxidized in a chemical reaction.
  5. A reaction between an acid and a base, producing water and a salt.
  6. A reaction in which there is a transfer of electrons between reactants.
  7. A substance that causes another substance to be reduced in a chemical reaction.
  8. A decomposition reaction that occurs due to the passage of an electric current.
  9. A decomposition reaction that is triggered by light.
Down
  1. A reaction in which one element replaces another element in a compound.
  2. A reaction that releases heat to the surroundings.
  3. A reaction that absorbs heat from the surroundings.
  4. A type of reaction where two or more substances combine to form a new substance.
  5. The substance that undergoes the process of reduction in a redox reaction.
  6. The substance that undergoes the process of oxidation in a redox reaction.

15 Clues: A reaction that releases heat to the surroundings. • A decomposition reaction that is triggered by heat. • A reaction that absorbs heat from the surroundings. • A decomposition reaction that is triggered by light. • A reaction between an acid and a base, producing water and a salt. • A reaction in which one element replaces another element in a compound. • ...

Chemistry Final Crossword 2020-06-13

Chemistry Final Crossword crossword puzzle
Across
  1. rearrangement of atom into new substances
  2. anything having mass and taking up space
  3. useable power such as heat or electricity
  4. the amount of space
  5. the action of predicting something
  6. done in the same way over time, especially so as to be fair or accurate.
  7. a course along which someone or something moves
  8. a substance made from a chemical reaction
  9. numbers with a contextual meaning
  10. the action of departing from an established course
  11. oil that is burned to produce heat or power
  12. a circumstance, fact, or influence that contributes to a result or outcome.
  13. a chemical reaction between a fuel and oxygen
Down
  1. a position on a real or imaginary scale of amount, quantity, extent, or quality.
  2. the amount of time occupied by something
  3. the basic unit of matter
  4. the substances that combine in a chemical reaction
  5. able to be changed or adapted
  6. start or set in motion
  7. basic description of the variability of a distribution
  8. quantitative observation of the size, extent or amount of an object.
  9. the area of variation between upper and lower limits on a particular scale.
  10. the rate at which someone or something is able to move
  11. how far something is
  12. of the action or process of observing something or someone carefully.
  13. standard reference experiment done under parallel or identical conditions.
  14. Pure substance that cannot be broken down into simpler substances by a chemical reaction.

27 Clues: the amount of space • how far something is • start or set in motion • the basic unit of matter • able to be changed or adapted • numbers with a contextual meaning • the action of predicting something • the amount of time occupied by something • anything having mass and taking up space • rearrangement of atom into new substances • useable power such as heat or electricity • ...

Unit 4 vocabulary 2023-10-10

Unit 4 vocabulary crossword puzzle
Across
  1. where substrates fit into enzymes
  2. breaks down larger molecules into simpler compounds
  3. builds larger molecules from smaller ones
  4. builds a polymer by linking monomers
  5. larger, complex structures (made of monomers)
  6. deformation of an active site
Down
  1. substances that are made by a chemical reaction
  2. proteins that speed up and lower the activation energy
  3. the amount of energy needed to make a chemical reaction
  4. releases energy
  5. small, basic sub units
  6. breaks big polymers into smaller monomers
  7. breaking and forming of different bonds
  8. absorbs energy
  9. substances that are changed during a chemical reaction

15 Clues: absorbs energy • releases energy • small, basic sub units • deformation of an active site • where substrates fit into enzymes • builds a polymer by linking monomers • breaking and forming of different bonds • builds larger molecules from smaller ones • breaks big polymers into smaller monomers • larger, complex structures (made of monomers) • ...

Stoichiometry 2024-02-29

Stoichiometry crossword puzzle
Across
  1. a type of chemical reaction where one product decomposes into TWO products
  2. the theory that explains matter is neither created nor destroyed
  3. when fuel is burned with oxygen and produces carbon dioxide (CO2) and water (H2O)
  4. the large number in the front of a chemical formula that shows how many MOLES or molecules there are
  5. the small number in a chemical formula that shows how many of one atom are in a molecule
Down
  1. a type of replacement chemical reaction where ionic compounds exchange their ions
  2. the part of a chemical equation to the right of the arrow
  3. another way to express mass
  4. a type of replacement chemical reaction where an element and ionic compound exchange
  5. a type of chemical reaction where TWO reactants form one product
  6. the part of a chemical equation to the left of the arrow; combines with each other to produce a chemical reaction

11 Clues: another way to express mass • the part of a chemical equation to the right of the arrow • the theory that explains matter is neither created nor destroyed • a type of chemical reaction where TWO reactants form one product • a type of chemical reaction where one product decomposes into TWO products • ...

Chemestry 2013-11-15

Chemestry crossword puzzle
Across
  1. have a bitter taste, some are corrosive, some are cleaning agents some dissolve in water
  2. chemical reactions that release energy
  3. corrosive substances, they react with solid substances 'eating' them away
  4. The change of a substance that involves the rearrangement of atoms to form new substances
  5. substances that react with solid substances eating them away
  6. a law that states that a compound, no matter how it is formed, always contains the same relative amounts of each element
  7. motion relative to the ground
Down
  1. able to be dissolved
  2. a form of energy in sugar
  3. incapable of being dissolved
  4. a scale that describes how acidic or basic a substance is
  5. The chemicals that are formed in a chemical reaction
  6. a reaction in which a substance reacts with oxygen and heat is released
  7. chemical reactions in which energy is absorbed from the surroundings
  8. a law that states that matter can neither be created nor destroyed during a chemical reaction
  9. the change of one type of energy to another
  10. when an acid and a base react with each other.
  11. substances that can be used to tell whether a substance is an acid or a base.
  12. the chemicals that react in a reaction
  13. a form of energy that always involves conversion

20 Clues: able to be dissolved • a form of energy in sugar • incapable of being dissolved • motion relative to the ground • chemical reactions that release energy • the chemicals that react in a reaction • the change of one type of energy to another • when an acid and a base react with each other. • a form of energy that always involves conversion • ...

Changes around us 2022-08-17

Changes around us crossword puzzle
Across
  1. Statue of liberty is green because it is coated with a thin layer of _____.
  2. physical changes are ______ change.
  3. An example of exothermic reaction is the reaction of _____ with water.
  4. a change in state of matter.
  5. Bombardier beetle makes their chemical bonds by combining hydrogen _______ and hydroquinone.
  6. Breaking chemical bonds takes in energy from the surroundings.
  7. The minimum amount of energy required for molecules to react with each other.
Down
  1. the catalyst used in elephant toothpaste is ______ iodide.
  2. Chemical changes are permanent and ______.
  3. Enzymes are biological ______.
  4. making chemical bonds gives out energy to the surroundings.
  5. The temperature at which an enzyme catalyses a reaction at the maximum rate.
  6. Cold packs consist water and ammonium ______.
  7. In physical changes the new substance have same _____ properties.
  8. Chemical reactions require activation energy because some ____ in the reactant must first break before any new ____ can be formed.

15 Clues: a change in state of matter. • Enzymes are biological ______. • physical changes are ______ change. • Chemical changes are permanent and ______. • Cold packs consist water and ammonium ______. • the catalyst used in elephant toothpaste is ______ iodide. • making chemical bonds gives out energy to the surroundings. • ...

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

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

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

OCR Gateway Science 2013-04-30

OCR Gateway Science crossword puzzle
Across
  1. Copper and what other metal make up brass?
  2. A reaction where the mix gets colder
  3. The charge on anything attracted to an anode
  4. Limestone is used to make this building material
  5. The more dense type of tectonic plate
  6. The gas given off at the cathode during electrolysis of sea water
  7. Iron does but aluminium doesn't
  8. A reaction where bonds are formed (E.g. making ammonia)
  9. The kind of substance with pH10
  10. A combination of two materials using properties of both
Down
  1. The kind of chemical bond where electrons are shared
  2. The chemical name for limestone
  3. _____ and water are needed to make iron rust
  4. The gas given off at the anode during electrolysis of sea water
  5. An alloy of lead and tin
  6. The things that are gained during reduction
  7. Aluminium has a lower what than steel?
  8. Chemical symbol for sodium
  9. When something loses electrons in a reaction
  10. What is needed to break down carbonates
  11. The catalyst used in the Haber Process (making ammonia)
  12. What appears during any 'precipitation' reaction

22 Clues: An alloy of lead and tin • Chemical symbol for sodium • The chemical name for limestone • Iron does but aluminium doesn't • The kind of substance with pH10 • A reaction where the mix gets colder • The more dense type of tectonic plate • Aluminium has a lower what than steel? • What is needed to break down carbonates • Copper and what other metal make up brass? • ...

voc. 7 2021-12-06

voc. 7 crossword puzzle
Across
  1. chemical change
  2. substances on the left of the equation
  3. disperse the heat
  4. a large protein molecule that speeds up reactions
Down
  1. an equation that shows the elements changing
  2. a substance that speeds up the chemical reaction
  3. a substance that slows the chemical reaction
  4. the amount of energy needed for a reaction to occur
  5. the certain amount of volume
  6. how fast the chemical will react
  7. absorbs the heat
  8. ones on the left side

12 Clues: chemical change • absorbs the heat • disperse the heat • ones on the left side • the certain amount of volume • how fast the chemical will react • substances on the left of the equation • an equation that shows the elements changing • a substance that slows the chemical reaction • a substance that speeds up the chemical reaction • ...

Chapter 13 McKenna Babcock 2018-02-28

Chapter 13 McKenna Babcock crossword puzzle
Across
  1. the process by which a reactant loses one or more electrons
  2. a substance that donates hydrogen ions
  3. the minimum energy required for a chemical reaction to proceed
  4. the reacting substances in a chemical reaction
  5. a chemical reaction in which there is a net release of energy
Down
  1. the deterioration of a metal, typically caused by atmospheric oxygen
  2. a chemical reaction in which there is a net absorption of energy
  3. the new materials formed in a chemical reaction
  4. a reaction between an acid and a base
  5. a substance that accepts hydrogen ions

10 Clues: a reaction between an acid and a base • a substance that donates hydrogen ions • a substance that accepts 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 • a chemical reaction in which there is a net release of energy • ...

Chemical reactions 2022-05-13

Chemical reactions crossword puzzle
Across
  1. It gives out heat during the reaction
  2. The elements reacting together in a chemical reaction
  3. This reactions needs heat to occur
  4. Magnesium(Mg) + Oxygen(O2)
Down
  1. Something that helps speed up a chemical reaction
  2. Magnesium(Mg) + Chloride(Cl) (magnesium ___)
  3. A revesible reaction
  4. The result when iron(Fe) reacts with water(H2O) and oxygen(O2)
  5. Carbon(C) + Oxygen(O2) (___ dioxide)
  6. A chemical reaction forms a chemical ____

10 Clues: A revesible reaction • Magnesium(Mg) + Oxygen(O2) • This reactions needs heat to occur • Carbon(C) + Oxygen(O2) (___ dioxide) • It gives out heat during the reaction • A chemical reaction forms a chemical ____ • Magnesium(Mg) + Chloride(Cl) (magnesium ___) • Something that helps speed up a chemical reaction • The elements reacting together in a chemical reaction • ...

Unit B-Matter and Chemical change 2017-11-16

Unit B-Matter and Chemical change crossword puzzle
Across
  1. This is made up of only one type of matter
  2. Pure substances formed as a result of the attraction between between particles of the opposite charge.
  3. A gas changes directly to a solid this is called…
  4. A substance that can be pounded and rolled into sheets is…
  5. Describes how a substance reacts with another substance(such as acid)
  6. A material that cannot be broken down into a simpler form(hint:Periodic table)
  7. A slow chemical reaction where oxygen in the air reacts with a metal
  8. Workplace Hazardous Information System
  9. This describes which element and how much of each are in a compound
  10. group 2 of the elements in the periodic table,their reactivity is not as strong as the alkali metals.
  11. A solid changes directly to a gas this is called…
Down
  1. The materials at the start of a reaction.
  2. The new material produced by the reaction.
  3. The change that occurs when a material changes from one state to another.
  4. The most reactive non-metals
  5. Characteristics used to describe a substance(physical and chemical).
  6. This chemical reaction occurs when oxygen reacts with a substance to form a new substance that gives off lots of energy(hint:explosion)
  7. The most stable and unreactive gases
  8. A chemical reaction in which heat is released
  9. When two or more substances form react to form a new substance.
  10. A group of ions acting as one
  11. Anything that has mass and occupies space.
  12. amu
  13. When non-metals combine this is formed.
  14. An experiment in which all reactants and all products "accounted" for(even though they are always accounted for).
  15. A chemical reaction in which heat(energy) is absorbed
  16. group 1 of elements in the periodic table(not including hydrogen)that are the most reactive metals.

27 Clues: amu • The most reactive non-metals • A group of ions acting as one • The most stable and unreactive gases • Workplace Hazardous Information System • When non-metals combine this is formed. • The materials at the start of a reaction. • The new material produced by the reaction. • This is made up of only one type of matter • Anything that has mass and occupies space. • ...

Crossword science. 2025-02-13

Crossword science. crossword puzzle
Across
  1. a group of atoms combining to together
  2. a chemical substance composed of many
  3. make up matter; the faster the particles move,
  4. during a chemical reaction
  5. reaction
  6. reaction One or more substances change to
  7. A substance that takes part in and undergoes
  8. particles
  9. a pure substance that cannot be broken down
  10. a different substance
Down
  1. A substance produced during a
  2. Absorbing heat
  3. Releasing heat
  4. molecules
  5. warmer the matter becomes
  6. the smallest particle
  7. Energy The total kinetic (motion) energy of the

17 Clues: reaction • molecules • particles • Absorbing heat • Releasing heat • the smallest particle • a different substance • warmer the matter becomes • during a chemical reaction • A substance produced during a • a chemical substance composed of many • a group of atoms combining to together • reaction One or more substances change to • a pure substance that cannot be broken down • ...

7a and 7b key terms 2024-01-10

7a and 7b key terms crossword puzzle
Across
  1. is the process or result of oxidating or being oxidized
  2. the action or fact of making a specified thing smaller or less in amount, degree, or size
  3. a combination of chemical formulas and symbols that models a chemical reaction
  4. is the number placed before a chemical formula within a chemical equation.
  5. the substances that combine to produce
  6. the substance that enters into a chemical reaction
  7. the unit measurement of the international system for measuring liquids
  8. occurs when two or more reactants combine to form a single product.
Down
  1. a reaction in which one element is substituted for another element on a compound
  2. generally occurs between substances in an aqueous solution.
  3. is a process that changes a substance into one or more different substances.
  4. a reaction in which one compound breaks down into two or more simpler substances
  5. the ratio between the mass and the amount of substance
  6. is the chemical combination of a substance with oxygen, producing heat and light.

14 Clues: the substances that combine to produce • the substance that enters into a chemical reaction • the ratio between the mass and the amount of substance • is the process or result of oxidating or being oxidized • generally occurs between substances in an aqueous solution. • occurs when two or more reactants combine to form a single product. • ...

SCIENCE 2025-03-10

SCIENCE crossword puzzle
Across
  1. The reaction where heat is absorbed. (10)
  2. A substance made of two or more chemically bonded elements. (8)
  3. A compound that fizzes upon contact with blood. (16)
  4. The type of reaction that releases energy, often as heat. (12)
  5. When a liquid turns into gas, like water drying. (10)
  6. The change when ice turns into water. (9)
  7. The process of iron reacting with oxygen to form rust. (8)
  8. The loss of electrons in a reaction. (9)
  9. The basic unit of matter. (5)
  10. Tiny bubbles formed in reactions like hydrogen peroxide with blood. (4)
  11. The states of matter: solid, liquid, or gas. (5)
  12. The term for a solid forming from a solution. (9)
Down
  1. The process of absorbing water in a reaction. (9)
  2. A metal that oxidizes to form rust. (4)
  3. table A chart that organizes elements by properties. (13)
  4. A change that alters the molecular structure of a substance. (14)
  5. form when this reacts with blood. (7)
  6. A change that does not alter chemical composition. (14)
  7. The process of metal breaking down due to oxidation. (9)
  8. The gas essential for oxidation and combustion. (6)
  9. phase change where a solid turns into a liquid. (7)
  10. The smallest unit of chemical compounds. (9)
  11. A reaction where one substance breaks into two or more. (12)
  12. The layer of gases surrounding Earth. (3)
  13. A force that holds atoms together in molecules. (4)
  14. A form of energy that can start chemical changes. (4)
  15. A substance that undergoes a chemical change when burned. (5)
  16. A substance used to neutralize stomach acid. (7)
  17. The energy required to break chemical bonds. (6)
  18. The process where metals lose their luster due to oxidation. (10)

30 Clues: The basic unit of matter. (5) • form when this reacts with blood. (7) • A metal that oxidizes to form rust. (4) • The loss of electrons in a reaction. (9) • The reaction where heat is absorbed. (10) • The change when ice turns into water. (9) • The layer of gases surrounding Earth. (3) • The smallest unit of chemical compounds. (9) • ...

chemical equations 2022-10-06

chemical equations crossword puzzle
Across
  1. a chemical reaction showing matter was +/-
  2. substances present before chemical reaction
  3. changing reactants into products
  4. a pure substance that cant be broken down
  5. mass is never created ordestroyed
Down
  1. the substances after a chemical reaction
  2. the number in front of a chemical formula
  3. chemical reaction showing no matter was +/-
  4. a group of atoms bonded together
  5. anything that has mass and takes up space

10 Clues: changing reactants into products • a group of atoms bonded together • mass is never created ordestroyed • the substances after a chemical reaction • the number in front of a chemical formula • a pure substance that cant be broken down • anything that has mass and takes up space • a chemical reaction showing matter was +/- • substances present before chemical reaction • ...

Bio CK12 1.16 Types of Biochemical Reactions 2025-09-27

Bio CK12 1.16 Types of Biochemical Reactions crossword puzzle
Across
  1. process that occurs when one or more substances, called reactants, is changed into one or more new substances, called products.
  2. exothermic reaction in organisms
  3. organic molecules, such as glucose, that organisms use for chemical energy.
  4. all the ________ reactions allow the cells to function properly, and maintain life
  5. chemical reaction that releases energy.
  6. Animal that has the highest metabolic rate
Down
  1. endothermic reaction in organisms; reactions build up bigger molecules from smaller ones.
  2. chemical reaction that occurs inside the cells of living things.
  3. an individual living thing.
  4. monomer of protein.
  5. a branch of chemistry that is the study of chemical processes that occur in living things.
  6. sum of all the biochemical reactions in an organism.
  7. study of life.
  8. basic unit of structure and function of living things.

14 Clues: study of life. • monomer of protein. • an individual living thing. • exothermic reaction in organisms • chemical reaction that releases energy. • Animal that has the highest metabolic rate • sum of all the biochemical reactions in an organism. • basic unit of structure and function of living things. • chemical reaction that occurs inside the cells of living things. • ...

Organic Compounds 2018-03-08

Organic Compounds crossword puzzle
Across
  1. monomer is amino acids; used to build structure, acts as enzymes, used for transport
  2. composed of 2 sugars
  3. a polysaccharide used by plants to store their energy
  4. the molecule that enzyme attaches to speed up the build up or break down of reactions
  5. speeds up chemical reactions
  6. water
  7. to break
  8. DNA blueprint of the cell used for storage of info
  9. composed of 3 or more sugars complex carbohydrates
  10. RNA used to make proteins
  11. the monomer of nucleic acids
  12. a polysaccharide used by plants to build structure
  13. one
  14. a polysaccharide used by animals to store their energy
  15. many
Down
  1. the substances made in a chemical reaction
  2. the monomer of proteins
  3. provides energy for the cell
  4. large/big
  5. composed of one sugar
  6. composed of nucleotides, RNA, DNA
  7. used to speed up reaction
  8. the energy needed to get a reaction started
  9. the substance used in a chemical reaction
  10. one individual sub unit that makes up polymer
  11. a large molecule made of many monomers
  12. insoluble substance used for energy

27 Clues: one • many • water • to break • large/big • composed of 2 sugars • composed of one sugar • the monomer of proteins • used to speed up reaction • RNA used to make proteins • provides energy for the cell • speeds up chemical reactions • the monomer of nucleic acids • composed of nucleotides, RNA, DNA • insoluble substance used for energy • a large molecule made of many monomers • ...

Chemistry Crosswords 2017-11-11

Chemistry Crosswords crossword puzzle
Across
  1. cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance
  2. process in which molecules move from an area of higher concentration to one of lower concentration
  3. with a pH lower than 7
  4. (CO(g)) colourless, odourless gas; produced by incomplete combustion of chemicals containing carbon (e.g. hydrocarbons); major source: motor vehicles
  5. a reaction that takes place when two or more substances react to form new substances
  6. chemical reaction that absorbs energy
  7. amount of mass in a given volume of a substance
  8. combination of symbols that represent a compound; the formula identifies the elements in the compound and the amount of each element
  9. the smallest part of an element that is representative of that element; a neutral particle made up of a nucleus containing protons and neutrons, and in which the number of electrons equals the number of protons
  10. principle that matter is not created or destroyed in a chemical reaction; the mass of the products always equals the mass of the reactants
  11. catalyst involved in chemical reactions in living things
  12. change of state from a gas to a liquid
Down
  1. description of a solid that can be stretched into a long wire
  2. slow chemical change that occurs when oxygen in the air reacts with a metal
  3. group 1 elements in the periodic table,not including hydrogen; the most reactive of the metals
  4. energy stored in chemicals and released when chemicals react; a form of potential or stored energy
  5. compound that dissolves in water to form a
  6. mass of one atom of an element calculated from the total number of protons, neutrons, and electrons of that atom; measured in atomic mass units (amu)
  7. change that results when two or more substances react to create a different substance or substances; the new substances have completely different properties from the original ones
  8. description of how a substance interacts with other substances, such as acids; chemical properties are observable only when a chemical change occurs
  9. a solution in which water is the solvent
  10. group 2 elements in the periodic table; their reactivity is not as strong as that of the alkali metals
  11. chemical reaction that takes place in cells; food (sugar) reacts with oxygen to produce energy, water, and carbon dioxide
  12. chemical combination of two or more elements in a specific ratio
  13. number of protons in the nucleus of one atom of an element
  14. measure of atomic mass; 1 amu is equal to 1/12th the mass of a carbon 12 atom
  15. chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
  16. substance that helps a chemical reaction to proceed more quickly
  17. an experiment in which all reactants and all products of a chemical reaction are accounted for
  18. invisible negatively charged particle that orbits the nucleus of an atom

30 Clues: with a pH lower than 7 • chemical reaction that absorbs energy • change of state from a gas to a liquid • a solution in which water is the solvent • compound that dissolves in water to form a • amount of mass in a given volume of a substance • catalyst involved in chemical reactions in living things • number of protons in the nucleus of one atom of an element • ...

Stoichiometry 2025-01-19

Stoichiometry crossword puzzle
Across
  1. A chemical equation where the number of each type of atom is the same on both sides.
  2. The total of the masses of all the atoms in a molecule.
  3. Describes a chemical reaction using words instead of symbols.
  4. The space occupied by one unit of gas at standard temperature and pressure.
  5. Letters used in equations to show whether a substance is solid, liquid, gas, or dissolved in water.
  6. An equation that shows only the reacting particles in a chemical reaction.
  7. The total of the masses of all the atoms in a compound.
  8. Substances formed as a result of a chemical reaction.
  9. Standard conditions of temperature and pressure, often used in experiments.
Down
  1. A short abbreviation used to represent an element.
  2. A group of atoms with a charge that acts as a single unit.
  3. The mass of one unit of a substance measured in grams.
  4. The simplest ratio of ions in an ionic compound.
  5. Shows the exact number of each type of atom in a molecule.
  6. that start a chemical reaction.
  7. States that equal volumes of gases have the same number of particles under the same conditions.
  8. The number of particles in one unit of a substance.
  9. A unit for counting very large numbers of particles.

18 Clues: that start a chemical reaction. • The simplest ratio of ions in an ionic compound. • A short abbreviation used to represent an element. • The number of particles in one unit of a substance. • A unit for counting very large numbers of particles. • Substances formed as a result of a chemical reaction. • The mass of one unit of a substance measured in grams. • ...

Science Unit B 2014-11-12

Science Unit B crossword puzzle
Across
  1. A system in which gases and reactants can escape and be contaminated
  2. A reaction in which two or more substances combine to change the properties of the substances before non-reversible
  3. Determines number of protons and electrons
  4. Non-Reversible change
  5. The substance is made up of only one atom
  6. Reversible change
  7. metal + non-metal
  8. A chemical reaction that occurs with oxygen that is fast
  9. A chemical reaction that occurs with oxygen that is slow
  10. releases heat
  11. Anything on the periodic table
  12. Democritus figured out an atom is … John Dalton experimented this
  13. The mass of one atom in the element
  14. This represents the element on the periodic table
  15. Used in the chemical naming of a molecular compound
  16. this is to ensure the user of the product is safe while in the use product in a workplace
  17. When reactants combine creating this
Down
  1. an organic catalyst
  2. substances combined with each other to create a product and chemical reaction
  3. non-metal + non-metal
  4. Fused in the nucleus with protons
  5. absorption of heat
  6. Concentration, catalyst, surface area and temperature all affect the …
  7. No gases can escape nor can it be contaminated
  8. The number in a formula that represents the amount of the element present

25 Clues: releases heat • Reversible change • metal + non-metal • absorption of heat • an organic catalyst • non-metal + non-metal • Non-Reversible change • Anything on the periodic table • Fused in the nucleus with protons • The mass of one atom in the element • When reactants combine creating this • The substance is made up of only one atom • Determines number of protons and electrons • ...

Chemistry Gridlock 2024-02-01

Chemistry Gridlock crossword puzzle
Across
  1. A substance capable of dissolving another to form a solution.
  2. The amount of product obtained in a chemical reaction or process.
  3. Non-uniform composition or distribution of components.
  4. A substance that undergoes a chemical reaction.
  5. Separation process based on differences in boiling points.
  6. Examination of reaction rates and mechanisms.
  7. A mixture of two immiscible liquids, typically oil and water, stabilized by an emulsifying agent.
  8. The gaseous phase of a substance that is typically a liquid or solid at room temperature.
  9. Having a thick and sticky consistency, often referring to fluids with high resistance to flow.
Down
  1. Process of retrieving valuable components from waste streams.
  2. Study of behavior and properties of fluids, especially in pipes.
  3. Adhering molecules to a surface for separation or purification.
  4. The movement of solvent molecules through a semipermeable membrane.
  5. A reaction that releases heat to the surroundings.
  6. Introduction of air or oxygen into a liquid or solid substance.
  7. Study of energy and heat transfer within chemical processes.
  8. A large molecule made up of repeating structural units.
  9. Network of pipes used to transport fluids within a chemical plant.
  10. Sustainable energy sources like solar, wind, and bioenergy.
  11. The rate of flow of a fluid, particles, or energy across a specified surface.

20 Clues: Examination of reaction rates and mechanisms. • A substance that undergoes a chemical reaction. • A reaction that releases heat to the surroundings. • Non-uniform composition or distribution of components. • A large molecule made up of repeating structural units. • Separation process based on differences in boiling points. • ...

Chemistry: Matter and Chemical Reactions 2023-10-13

Chemistry: Matter and Chemical Reactions crossword puzzle
Across
  1. Iron-Fe
  2. Change when condition changes but material is same
  3. Represented by symbols
  4. Aurum-Au
  5. Represented by formulas
  6. Broken down by distillation/filtration
  7. NaCl
  8. Change when materials combine to make new substance
  9. DiOxide CO2
Down
  1. Substance that is at start of reaction
  2. Kallium-K
  3. Argentum-Ag
  4. Plumbum-Pb
  5. Substance produced by chemical reaction
  6. Sn-Tin
  7. H2O
  8. Copper-CU

17 Clues: H2O • NaCl • Sn-Tin • Iron-Fe • Aurum-Au • Kallium-K • Copper-CU • Plumbum-Pb • Argentum-Ag • DiOxide CO2 • Represented by symbols • Represented by formulas • Substance that is at start of reaction • Broken down by distillation/filtration • Substance produced by chemical reaction • Change when condition changes but material is same • Change when materials combine to make new substance

Unit 8 Chem- Vocabulary Puzzle 2021-03-10

Unit 8 Chem- Vocabulary Puzzle crossword puzzle
Across
  1. homogeneous mixtures of solutes and solvents
  2. equilibrium constant for a reaction
  3. increases the rate of a reaction without being consumed during the reaction
  4. materials produced during a chemical reaction
  5. equal to the concentration of products divided by the concentration of reactants
  6. starting materials in a chemical reaction
  7. constant, the concentration of prod./ the con. of reactants, same at a given temp and pressure
  8. force per unit of area
  9. acids are electron pair acceptors-bases are electron pair donors
  10. rate, speed a reaction occurs, the change in concentration of a reactant or product over time
  11. space occupied by matter
  12. a measure concentration of how acidic or basic a solution is: = -log[H+]
  13. chemical reaction in which both forward and reverse reactions proceed at equal rates
  14. group of connected and related things
  15. reactions, processes by which substances are changed into new substances, different properties.
  16. concentration of a solution expressed as the number of moles of solute dissolved in 1 L of solution.
  17. measure of the average kinetic energy of the particles of a system
  18. acids are H+ producers-bases are OH– producers
Down
  1. measurement of the OH- concentration in a substance: = 14 - pH
  2. amount of solute dissolved in a given amount of solution
  3. test to find out if a hypothesis can be supported
  4. separates into ions in water
  5. scale, goes from 0 to 14,indicates the acidity of a solution
  6. base, the form an acid takes after it loses a hydrogen atom (or proton)
  7. substance with a pH greater than 7
  8. acids are H+donors-bases are H+ acceptors
  9. solution that resists changes in pH.
  10. charged species that result from the gain or loss of electrons from neutral atoms or molecules
  11. substance with a pH less than 7
  12. energy, minimum energy that reactants must have for a reaction to occur
  13. acid, the form a base takes after it gains a hydrogen ion (or proton)
  14. covalently bonded groups of atoms
  15. basic units of matter
  16. Châteliers principle, if equilibrium is disturbed, it will move in the direction that restores equilibrium

34 Clues: basic units of matter • force per unit of area • space occupied by matter • separates into ions in water • substance with a pH less than 7 • covalently bonded groups of atoms • substance with a pH greater than 7 • equilibrium constant for a reaction • solution that resists changes in pH. • group of connected and related things • starting materials in a chemical reaction • ...

Unit 8 Chem- Vocabulary Puzzle 2021-03-10

Unit 8 Chem- Vocabulary Puzzle crossword puzzle
Across
  1. scale, goes from 0 to 14,indicates the acidity of a solution
  2. amount of solute dissolved in a given amount of solution
  3. group of connected and related things
  4. acids are electron pair acceptors-bases are electron pair donors
  5. acids are H+ producers-bases are OH– producers
  6. test to find out if a hypothesis can be supported
  7. reactions, processes by which substances are changed into new substances, different properties.
  8. charged species that result from the gain or loss of electrons from neutral atoms or molecules
  9. basic units of matter
  10. measure of the average kinetic energy of the particles of a system
  11. homogeneous mixtures of solutes and solvents
  12. acids are H+donors-bases are H+ acceptors
  13. solution that resists changes in pH.
  14. a measure concentration of how acidic or basic a solution is: = -log[H+]
  15. substance with a pH less than 7
  16. acid, the form a base takes after it gains a hydrogen ion (or proton)
  17. materials produced during a chemical reaction
Down
  1. principle, if equilibrium is disturbed, it will move in the direction that restores equilibrium
  2. energy, minimum energy that reactants must have for a reaction to occur
  3. force per unit of area
  4. separates into ions in water
  5. covalently bonded groups of atoms
  6. equal to the concentration of products divided by the concentration of reactants
  7. increases the rate of a reaction without being consumed during the reaction
  8. chemical reaction in which both forward and reverse reactions proceed at equal rates
  9. concentration of a solution expressed as the number of moles of solute dissolved in 1 L of solution.
  10. constant, the concentration of prod./ the con. of reactants, same at a given temp and pressure
  11. measurement of the OH- concentration in a substance: = 14 - pH
  12. substance with a pH greater than 7
  13. space occupied by matter
  14. equilibrium constant for a reaction
  15. rate, speed a reaction occurs, the change in concentration of a reactant or product over time
  16. starting materials in a chemical reaction
  17. base, the form an acid takes after it loses a hydrogen atom (or proton)

34 Clues: basic units of matter • force per unit of area • space occupied by matter • separates into ions in water • substance with a pH less than 7 • covalently bonded groups of atoms • substance with a pH greater than 7 • equilibrium constant for a reaction • solution that resists changes in pH. • group of connected and related things • acids are H+donors-bases are H+ acceptors • ...

Unit 8 Chem- Vocabulary Puzzle 2021-03-10

Unit 8 Chem- Vocabulary Puzzle crossword puzzle
Across
  1. scale, goes from 0 to 14,indicates the acidity of a solution
  2. amount of solute dissolved in a given amount of solution
  3. group of connected and related things
  4. acids are electron pair acceptors-bases are electron pair donors
  5. acids are H+ producers-bases are OH– producers
  6. test to find out if a hypothesis can be supported
  7. reactions, processes by which substances are changed into new substances, different properties.
  8. charged species that result from the gain or loss of electrons from neutral atoms or molecules
  9. basic units of matter
  10. measure of the average kinetic energy of the particles of a system
  11. homogeneous mixtures of solutes and solvents
  12. acids are H+donors-bases are H+ acceptors
  13. solution that resists changes in pH.
  14. a measure concentration of how acidic or basic a solution is: = -log[H+]
  15. substance with a pH less than 7
  16. acid, the form a base takes after it gains a hydrogen ion (or proton)
  17. materials produced during a chemical reaction
Down
  1. principle, if equilibrium is disturbed, it will move in the direction that restores equilibrium
  2. energy, minimum energy that reactants must have for a reaction to occur
  3. force per unit of area
  4. separates into ions in water
  5. covalently bonded groups of atoms
  6. equal to the concentration of products divided by the concentration of reactants
  7. increases the rate of a reaction without being consumed during the reaction
  8. chemical reaction in which both forward and reverse reactions proceed at equal rates
  9. concentration of a solution expressed as the number of moles of solute dissolved in 1 L of solution.
  10. constant, the concentration of prod./ the con. of reactants, same at a given temp and pressure
  11. measurement of the OH- concentration in a substance: = 14 - pH
  12. substance with a pH greater than 7
  13. space occupied by matter
  14. equilibrium constant for a reaction
  15. rate, speed a reaction occurs, the change in concentration of a reactant or product over time
  16. starting materials in a chemical reaction
  17. base, the form an acid takes after it loses a hydrogen atom (or proton)

34 Clues: basic units of matter • force per unit of area • space occupied by matter • separates into ions in water • substance with a pH less than 7 • covalently bonded groups of atoms • substance with a pH greater than 7 • equilibrium constant for a reaction • solution that resists changes in pH. • group of connected and related things • acids are H+donors-bases are H+ acceptors • ...

Unit 8 Chem- Vocabulary Puzzle 2021-03-10

Unit 8 Chem- Vocabulary Puzzle crossword puzzle
Across
  1. scale, goes from 0 to 14,indicates the acidity of a solution
  2. amount of solute dissolved in a given amount of solution
  3. group of connected and related things
  4. acids are electron pair acceptors-bases are electron pair donors
  5. acids are H+ producers-bases are OH– producers
  6. test to find out if a hypothesis can be supported
  7. reactions, processes by which substances are changed into new substances, different properties.
  8. charged species that result from the gain or loss of electrons from neutral atoms or molecules
  9. basic units of matter
  10. measure of the average kinetic energy of the particles of a system
  11. homogeneous mixtures of solutes and solvents
  12. acids are H+donors-bases are H+ acceptors
  13. solution that resists changes in pH.
  14. a measure concentration of how acidic or basic a solution is: = -log[H+]
  15. substance with a pH less than 7
  16. acid, the form a base takes after it gains a hydrogen ion (or proton)
  17. materials produced during a chemical reaction
Down
  1. principle, if equilibrium is disturbed, it will move in the direction that restores equilibrium
  2. energy, minimum energy that reactants must have for a reaction to occur
  3. force per unit of area
  4. separates into ions in water
  5. covalently bonded groups of atoms
  6. equal to the concentration of products divided by the concentration of reactants
  7. increases the rate of a reaction without being consumed during the reaction
  8. chemical reaction in which both forward and reverse reactions proceed at equal rates
  9. concentration of a solution expressed as the number of moles of solute dissolved in 1 L of solution.
  10. constant, the concentration of prod./ the con. of reactants, same at a given temp and pressure
  11. measurement of the OH- concentration in a substance: = 14 - pH
  12. substance with a pH greater than 7
  13. space occupied by matter
  14. equilibrium constant for a reaction
  15. rate, speed a reaction occurs, the change in concentration of a reactant or product over time
  16. starting materials in a chemical reaction
  17. base, the form an acid takes after it loses a hydrogen atom (or proton)

34 Clues: basic units of matter • force per unit of area • space occupied by matter • separates into ions in water • substance with a pH less than 7 • covalently bonded groups of atoms • substance with a pH greater than 7 • equilibrium constant for a reaction • solution that resists changes in pH. • group of connected and related things • acids are H+donors-bases are H+ acceptors • ...

Chemical Enginnering Puzzle 2024-06-24

Chemical Enginnering Puzzle crossword puzzle
Across
  1. Chemical element used as a catalyst in the production of ammonia (Fe)
  2. Unit of energy often used in thermodynamics and chemical engineering
  3. Substance that decreases the rate of a chemical reaction
  4. Unit of pressure used in chemical engineering (abbr.)
  5. Famous French chemist known for his contributions to chemical thermodynamics (Josiah Willard Gibbs)
  6. A substance that increases the rate of a chemical reaction without being consumed in the process
  7. Initialism for a process that involves the separation of components based on their boiling points
  8. The study of heat transfer and its applications
  9. Material that increases the rate of a chemical reaction
  10. The process of converting raw materials into products of higher value
  11. The force per unit area exerted by a fluid against a surface
  12. The movement of molecules or atoms from a region of high concentration to a region of low concentration
  13. The study of the interaction between light and matter
  14. Chemical element used in the production of steel (Fe)
  15. Substance added to a reaction to speed up the process without being consumed
  16. Instrument used to measure the concentration of a substance in a solution
  17. Chemical symbol for a noble gas used in welding (Ar)
  18. Device used to measure the pressure of gases or liquids
  19. The chemical process of breaking down complex compounds into simpler ones
  20. The process of extracting valuable metals from their ores
Down
  1. The process of converting one form of energy into another form
  2. Initialism for the principle that states energy cannot be created or destroyed
  3. The study of the flow of fluids
  4. Type of reactor used to carry out a reaction in a continuous flow (CSTR)
  5. The study of the properties and behavior of gases
  6. The point at which a chemical reaction becomes self-sustaining and generates enough heat to continue without an external heat source
  7. A device used to measure the flow rate of a fluid passing through it
  8. Initialism for a process used to separate mixtures based on differences in boiling points
  9. Famous German chemist known for his work on thermodynamics (Rudolf Clausius)
  10. Equation describing the relationship between a fluid's pressure, velocity, and elevation
  11. Type of reactor commonly used in the production of ammonia
  12. Type of reaction where heat is absorbed from the surroundings
  13. Material that can be shaped or molded under heat and pressure
  14. The study of the movement of fluids and the forces acting on them
  15. A type of reactor where the reaction occurs in a fixed bed of catalyst
  16. The study of the electrical properties of solutions
  17. Measure of disorder or randomness in a system
  18. Measurement unit for viscosity
  19. The branch of chemistry dealing with the rates of chemical reactions
  20. The study of the composition, structure, properties, and change of matter

40 Clues: Measurement unit for viscosity • The study of the flow of fluids • Measure of disorder or randomness in a system • The study of heat transfer and its applications • The study of the properties and behavior of gases • The study of the electrical properties of solutions • Chemical symbol for a noble gas used in welding (Ar) • ...

Chapter 16 2024-12-09

Chapter 16 crossword puzzle
Across
  1. Negatively charged particle in an atom
  2. Substance made of two or more different elements
  3. Substance that undergoes a chemical reaction
  4. Charged atom
  5. reaction Process where substances change into new substances
  6. Two or more atoms bonded together
  7. bond Bond formed by sharing electrons
Down
  1. Atom with the same number of protons but different neutrons
  2. Substance produced in a chemical reaction
  3. Positively charged particle in an atom
  4. bond Bond formed by transferring electrons
  5. Center of an atom
  6. Pure substance made of one kind of atom
  7. Neutral particle in an atom
  8. Smallest unit of matter

15 Clues: Charged atom • Center of an atom • Smallest unit of matter • Neutral particle in an atom • Two or more atoms bonded together • bond Bond formed by sharing electrons • Negatively charged particle in an atom • Positively charged particle in an atom • Pure substance made of one kind of atom • Substance produced in a chemical reaction • bond Bond formed by transferring electrons • ...

Chemistry Study Guide 2016-02-10

Chemistry Study Guide crossword puzzle
Across
  1. Outermost orbital.
  2. Number of electrons/protons.
  3. Energy is released.
  4. Make up group 18 in the periodic table.
  5. Column on periodic table.
  6. Substance that changes in a chemical reaction.
  7. Can't be broken down farther.
  8. Mass of an atom
  9. Positively charged center of an atom.
  10. Russian chemist and inventor.
  11. Reaction that occurs in which a layer of metal is bonded to the surface of another substance (mainly metal)
  12. Two atoms of different elements combine.
Down
  1. Total amount of mass within a substance remains constant after a chemical reaction
  2. Regions of space outside the nucleus where an electron may exist.
  3. Move around the nucleus, negative charge.
  4. Found in nucleus, no charge.
  5. Solid metrical, hard, shiny, malleable, ductile and conducts electricity.
  6. Brittle, not malleable or ductile, poor conductors.
  7. Cross between metal and non-meta, partially conducts.
  8. Particle found in the nucleus, positive charge.
  9. Smallest part of an element and can't be broken down farther.
  10. Abbreviation of an element
  11. Energy is absorbed.
  12. Rows on periodic table.
  13. Formed when one or more atoms combine.
  14. Result of a chemical reaction.

26 Clues: Mass of an atom • Outermost orbital. • Energy is released. • Energy is absorbed. • Rows on periodic table. • Column on periodic table. • Abbreviation of an element • Found in nucleus, no charge. • Number of electrons/protons. • Can't be broken down farther. • Russian chemist and inventor. • Result of a chemical reaction. • Positively charged center of an atom. • ...

Unit 3 Vocabulary 2022-11-21

Unit 3 Vocabulary crossword puzzle
Across
  1. Ability to burn
  2. Gas to Liquid
  3. Changes based on the amount of matter present
  4. Reaction that does not change the substance
  5. Two or more atoms chemically joined
  6. Amount of space a substance takes up
  7. Amount of matter a substance has
  8. Components in the mixture can be identified
  9. Solid to Liquid
  10. Gas to Solid without going through liquid
  11. Definite Volume, no definite shape
  12. The starting substances in a chemical reaction
  13. Liquid to Gas
Down
  1. Does not change based on the amount of matter
  2. No definite shape and no definite volume
  3. Two or more substances physically joined
  4. Reaction that changes the entire substance
  5. Solid to Gas without going through liquid
  6. Liquid to Solid
  7. The ending substances in a chemical reaction
  8. Ability to rust
  9. All components take on the same look
  10. Two or more different atoms chemically joined
  11. Energy Causes phase changes to happen
  12. Substance Made of entire one substance
  13. How toxic or poisonous a substance is
  14. Definite Shape and Definite Volume

27 Clues: Gas to Liquid • Liquid to Gas • Ability to burn • Liquid to Solid • Ability to rust • Solid to Liquid • Amount of matter a substance has • Definite Volume, no definite shape • Definite Shape and Definite Volume • Two or more atoms chemically joined • Amount of space a substance takes up • All components take on the same look • Energy Causes phase changes to happen • ...

Unit 8 Vocabulary Puzzle 2021-03-10

Unit 8 Vocabulary Puzzle crossword puzzle
Across
  1. Châtelier's principle, if equilibrium is disturbed, it will move in the direction that restores equilibrium
  2. energy, minimum energy that reactants must have for a reaction to occur
  3. basic units of matter
  4. acids are H+donors-bases are H+ acceptors
  5. substance with a pH greater than 7
  6. concentration of a solution expressed as the number of moles of solute dissolved in 1 L of solution.
  7. substance with a pH less than 7
  8. chemical reaction in which both forward and reverse reactions proceed at equal rates
  9. group of connected and related things
  10. scale, goes from 0 to 14,indicates the acidity of a solution
  11. solution that resists changes in pH.
  12. rate, speed a reaction occurs, the change in concentration of a reactant or product over time
  13. increases the rate of a reaction without being consumed during the reaction
  14. force per unit of area
  15. test to find out if a hypothesis can be supported
  16. equilibrium constant for a reaction
  17. starting materials in a chemical reaction
  18. acid, the form a base takes after it gains a hydrogen ion (or proton)
Down
  1. constant, the concentration of prod./ the con. of reactants, same at a given temp and pressure
  2. measurement of the OH- concentration in a substance: = 14 - pH
  3. acids are H+ producers-bases are OH– producers
  4. measure of the average kinetic energy of the particles of a system
  5. separates into ions in water
  6. charged species that result from the gain or loss of electrons from neutral atoms or molecules
  7. space occupied by matter
  8. homogeneous mixtures of solutes and solvents
  9. acids are electron pair acceptors-bases are electron pair donors
  10. covalently bonded groups of atoms
  11. is equal to the concentration of products divided by the concentration of reactants
  12. materials produced during a chemical reaction
  13. reactions, processes by which substances are changed into new substances, different properties.
  14. base, the form an acid takes after it loses a hydrogen atom (or proton)
  15. amount of solute dissolved in a given amount of solution
  16. a measure concentration of how acidic or basic a solution is: = -log[H+]

34 Clues: basic units of matter • force per unit of area • space occupied by matter • separates into ions in water • substance with a pH less than 7 • covalently bonded groups of atoms • substance with a pH greater than 7 • equilibrium constant for a reaction • solution that resists changes in pH. • group of connected and related things • acids are H+donors-bases are H+ acceptors • ...

Acids, Bases and Equilibria 2023-03-09

Acids, Bases and Equilibria crossword puzzle
Across
  1. A substance which can neutralise an acid
  2. When there is both a forwards and backwards reaction
  3. When a chemical gains oxygen in a reaction
  4. When a chemical loses oxygen in a react
  5. A reaction between an acid an a base
  6. A substance with a pH of less than 7
  7. Acid + base -> ? + Water
  8. When the forwards and backwards reaction happen at the same rate
Down
  1. All acids contain this element
  2. Hazard symbol found on containers for strong acids and alkalis
  3. An ion found in strong alkalis
  4. A solution in which the solute is dissolved in water
  5. A substance with pH 7
  6. A chemical used to see if a substance is acid or alkali
  7. A base that can dissolve in water

15 Clues: A substance with pH 7 • Acid + base -> ? + Water • All acids contain this element • An ion found in strong alkalis • A base that can dissolve in water • A reaction between an acid an a base • A substance with a pH of less than 7 • When a chemical loses oxygen in a react • A substance which can neutralise an acid • When a chemical gains oxygen in a reaction • ...

Biology Crossword 2021-01-26

Biology Crossword crossword puzzle
Across
  1. Act of breathing.
  2. the actin which offspring is produced by two parents.
  3. A substance produced by an organsim to start a biochemical reaction.
  4. all bones and joint in the human body.
  5. the substance on which an enzyme acts.
  6. spontaneous movement of solvent molecules.
  7. Contains chlorophyll, where photosynthesis takes place.
  8. the network of organs and tissues that help you breath.
  9. Any living factor
  10. special organs and cells that fight infections.
  11. network of tissues that rid the body of toxins.
  12. a substance produced by a living organism which acts as a catalyst.
  13. a substance that increases that rate of a chemical reaction
  14. An enzyme that is essential for breaking down lactose.
Down
  1. Converting light energy into chemical energy.
  2. a stable state of balance.
  3. a substance that increases the rate of a chemical reaction.
  4. burning fuels react with oxygen to release energy.
  5. movement of a substance from a place high or low concentration
  6. A bacteria or virus that can cause diseases.
  7. state of all bodily systems being maintained and balanced
  8. life sustaining chemical reaction in organisms.
  9. Any non-living factor.
  10. a group of tissues on a lining organism that have adapted
  11. Membrane-bound unit that contains the fundamental molecules of life.

25 Clues: Act of breathing. • Any living factor • Any non-living factor. • a stable state of balance. • all bones and joint in the human body. • the substance on which an enzyme acts. • spontaneous movement of solvent molecules. • A bacteria or virus that can cause diseases. • Converting light energy into chemical energy. • life sustaining chemical reaction in organisms. • ...

Ch.12 DNA & Ch. 2-4 Enzymes Vocab 2023-12-06

Ch.12 DNA & Ch. 2-4 Enzymes Vocab crossword puzzle
Across
  1. The twisted ladder shape of DNA, consisting of two helical strands.
  2. Starting materials in a chemical reaction.
  3. Deoxyribonucleic acid, a molecule that carries genetic information.
  4. An enzyme that adds a few RNA nucleotides to the beginning of the new DNA strand.
  5. Region on an enzyme where substrates bind.
  6. The two strands of DNA run in opposite directions.
  7. Adenine, Thymine, Guanine, and Cytosine; the building blocks of DNA.
  8. The process of copying DNA to produce two identical DNA molecules.
Down
  1. An enzyme that unzips DNA by breaking hydrogen bonds between base pairs.
  2. In DNA, the amount of adenine is equal to thymine, and the amount of guanine is equal to cytosine.
  3. An enzyme that synthesizes new DNA strands by adding complementary nucleotides to the existing strands.
  4. Substance that speeds up a chemical reaction.
  5. Resulting substance(s) from a chemical reaction.
  6. Process that transforms reactants into products.
  7. Energy required to start a chemical reaction.
  8. The specific pairing of nitrogenous bases in DNA: A with T, and G with C.
  9. An enzyme that links the fragments of the backbone of a DNA strand together.
  10. Virus that infects bacteria and injects its DNA into the host cell.
  11. Process of introducing foreign DNA into a cell.
  12. A three-dimensional spiral shape.

20 Clues: A three-dimensional spiral shape. • Starting materials in a chemical reaction. • Region on an enzyme where substrates bind. • Substance that speeds up a chemical reaction. • Energy required to start a chemical reaction. • Process of introducing foreign DNA into a cell. • Resulting substance(s) from a chemical reaction. • Process that transforms reactants into products. • ...

Chemistry Crossword 2022-08-23

Chemistry Crossword crossword puzzle
Across
  1. The appearance of matter changes without changing the chemical composition
  2. When two or more substances combine to form a new substance
  3. Variables we keep constant throughout an experiement
  4. The number of protons in an element found at the top of the periodic table tile
  5. Data we colloect that discribes our senses
  6. Elements in the periodic table are ordered by the number of...
  7. The resulting substances of a chemical reaction
  8. The law of _________________ of Mass
  9. In a chemical reaction matter is neither created or destroyed, it is ______________
  10. A hypothesis should include the sections which start with the words...
  11. A reaction where something reacts with oxygen, burning or exploding when it does
Down
  1. When oxygen supply is restricted resulting in other reactions occuring instead
  2. The symbol that represents an element on the periodic table
  3. The three types of Matter
  4. Data we collect by measuring something numerically
  5. Anything that has weight and takes up space
  6. When there is sufficiant oxygen to complete combustion
  7. In a closed system, the mass of the reactants is equal to the mass of the _____________
  8. A reaction that releases energy into the surroundings
  9. The number that represents the total protons and neutrons in an atom
  10. The measure of change in the variable you are testing
  11. A variable that changes and that you test
  12. This substance is always needed for combustion reactions to occur
  13. The starting material of a chemical reaction

24 Clues: The three types of Matter • The law of _________________ of Mass • A variable that changes and that you test • Data we colloect that discribes our senses • Anything that has weight and takes up space • The starting material of a chemical reaction • The resulting substances of a chemical reaction • Data we collect by measuring something numerically • ...

Unit 3 Crossword 2024-03-12

Unit 3 Crossword crossword puzzle
Across
  1. Has a pH of less than 7
  2. Example: A + B → AB
  3. When a base is dissolved in water, it forms _________ ions
  4. Acids turn pH paper this color
  5. When you mix a base and a fat/oil, you form this
  6. When you combine an acid and a base you form a ____ and water
  7. When you combine an acid and a metal, you form a salt and ________ gas
  8. Example: AB → A + B
  9. The substances at the beginning of a chemical reaction
  10. Two ionic compounds exchange ions to form new ionic compounds in a ______ replacement reaction
  11. One element is replaced by another in a ______ replacement reaction
  12. Written to the lower right of an element symbol, this tells you how many of an element is in a compound.
Down
  1. Matter cannot be created or destroyed due to the Law of ___________ of mass.
  2. The number placed in front of a chemical formula that says how many are present in a balanced chemical equation
  3. Has a pH of more than 7
  4. Bases have a ______ taste
  5. The scale that tells how acidic or basic a solution is
  6. Bases turn pH paper this color
  7. The substances present when the chemical reaction is completed
  8. When an acid is dissolved in water, it forms ___________ ions
  9. Example: hydrocarbon + oxygen → carbon dioxide + water
  10. Acids have a ____ taste
  11. When one or more substances change into one or more new substances

23 Clues: Example: A + B → AB • Example: AB → A + B • Has a pH of more than 7 • Has a pH of less than 7 • Acids have a ____ taste • Bases have a ______ taste • Acids turn pH paper this color • Bases turn pH paper this color • When you mix a base and a fat/oil, you form this • The scale that tells how acidic or basic a solution is • Example: hydrocarbon + oxygen → carbon dioxide + water • ...

Chapter 6 Vocab Review 2024-02-26

Chapter 6 Vocab Review crossword puzzle
Across
  1. a slight attraction that develops between the oppositely charged regions of nearby molecules
  2. A substance that decreases the hydrogen ion concentration in a solution.
  3. A type of protein that speeds up a chemical reaction in a living thing
  4. Energy-rich organic compounds, such as fats, oils, and waxes, that are made of carbon, hydrogen, and oxygen.
  5. A very large organic molecule composed of many smaller molecules
  6. A mixture that forms when one substance dissolves another.
  7. A charged atom
  8. negatively charged particle
  9. compound made up of carbon, hydrogen, and oxygen atoms; major source of energy for the human body
  10. Center of an atom
  11. compound with an amino group on one end and a carboxyl group on the other end
  12. A substance made up of atoms of two or more different elements joined by chemical bonds
  13. a molecule in which one side of the molecule is slightly negative and the opposite side is slightly positive
  14. the substance in which the solute dissolves
  15. reactant of an enzyme-catalyzed reaction
  16. A pure substance made of only one kind of atom
  17. A group of atoms bonded together
  18. weak attraction between a hydrogen atom and another atom
Down
  1. A substance that increases the hydrogen ion concentration of a solution.
  2. Substance being dissolved
  3. Energy needed to get a reaction started
  4. A pocket or groove on the surface of the enzyme.
  5. no charge
  6. a bond formed when atoms share one or more pairs of electrons
  7. compound that prevents sharp, sudden changes in pH
  8. Basic unit of matter
  9. a complex organic substance present in living cells, especially DNA or RNA, whose molecules consist of many nucleotides linked in a long chain.
  10. A combination of two or more substances that are not chemically combined
  11. positively charged particle
  12. reaction the process by which one or more substances change to produce one or more different substances
  13. A substance produced in a chemical reaction
  14. Atoms of the same element that have different numbers of neutrons
  15. substance that speeds up the rate of a chemical reaction
  16. A chemical substance that is present at the start of a chemical reaction
  17. A long molecule consisting of many similar or identical monomers linked together.
  18. A building block of DNA, consisting of a five-carbon sugar covalently bonded to a nitrogenous base and a phosphate group.
  19. A three dimensional polymer made of monomers of amino acids.
  20. hydrogen ion concentration

38 Clues: no charge • A charged atom • Center of an atom • Basic unit of matter • Substance being dissolved • hydrogen ion concentration • positively charged particle • negatively charged particle • A group of atoms bonded together • Energy needed to get a reaction started • reactant of an enzyme-catalyzed reaction • A substance produced in a chemical reaction • ...

Chemical Reactions Crossword 2024-02-22

Chemical Reactions Crossword crossword puzzle
Across
  1. The principal which states that matter cannot be created or destroyed.
  2. A symbolic representation of a chemical reaction in which both sides of the equation contain equal numbers of atoms in each element.
  3. A number written below and to the right of a chemical symbol that shows the number of a specific type of atom present.
  4. The process by which one or more substances change to produce one or more different (new) substances.
  5. A notation that uses chemical symbols and numbers as subscripts to represent the type and number of atoms.
  6. The substance(s) that go together in a chemical equation (found in front of the arrow).
Down
  1. A solid substance that forms in a liquid from a chemical reaction.
  2. A number placed in front of chemical formula to describe the number of molecules.
  3. The substance(s) that are produced in a chemical reaction (the arrow always points toward these).
  4. The amount of matter an object contains (usually measured in grams).
  5. These are signs of a chemical reaction: 1.gas 2.odor 3.temperature change 4.color 5. precipitate
  6. Chemical formulas and symbols written to represent a reaction.

12 Clues: Chemical formulas and symbols written to represent a reaction. • A solid substance that forms in a liquid from a chemical reaction. • The amount of matter an object contains (usually measured in grams). • The principal which states that matter cannot be created or destroyed. • A number placed in front of chemical formula to describe the number of molecules. • ...

Chemical reactions 2022-02-22

Chemical reactions crossword puzzle
Across
  1. a structure made by repeating groups of atoms that link together in a large network
  2. the energy of motion
  3. the temperature when a liquid changes into a substance
  4. a relative size of things
  5. letters and numbers showing the types and number of atoms that repeat to make up a substance
  6. to change the position of something
  7. a thing that helps us understand something
  8. a group of atoms arranged in a particular way
Down
  1. power\energizes something
  2. a substance that is added to help plants grow
  3. an ending substance from a chemical reaction
  4. a reaction that realeases stored energy
  5. a reaction that takes energy from its surroundings
  6. a transition when a solid, liquid, or gas changes to a solid, liquid, or gas
  7. something that is made from groups of atoms
  8. a starting substance that is part of a chemical reaction
  9. a form of resistance when you rub two things together
  10. able to cause damage
  11. these things make up everything
  12. the temperature in which a solid changes to a liquid

20 Clues: the energy of motion • able to cause damage • power\energizes something • a relative size of things • these things make up everything • to change the position of something • a reaction that realeases stored energy • a thing that helps us understand something • something that is made from groups of atoms • an ending substance from a chemical reaction • ...

Chemistry Vocab 2022-01-24

Chemistry Vocab crossword puzzle
Across
  1. chemical substances involved at the start of a chemical reaction.
  2. the actual yeild divided by the theotrical yeild times 100, the ratio of the actual yeild to the theotrical yeild x100
  3. a quantity of a substance that contains avagadro's number
  4. this is the ratio elements in a compound using the smallest whole numbers.
  5. a conversion factor that relates the amounts in moles of any 2 substances involved in a chemical reaction
  6. one that contains the relative amounts of reactants that match the number in the balanced equation
  7. symbolic representation of a chemical reaction where the number of atoms of each element is on the left of the arrow is equal to the number of atoms of each element on the right.
  8. the study of the quantities of materials consumed and produced
  9. this is the actual formula of each element in a compound.
Down
  1. a conversion factor that relates the amount of moles of any two sustances involved in a chemical reaction
  2. this refers to the number of grams of a given element in 100g of a compound.
  3. one in which two substances chemically combine to form a third.
  4. one in which a single compound breaks up into two or ore other substances
  5. the weighted average of the masses of all ocurring isotopes of an element.
  6. one in which an element reacts by replacing another element in a compound.
  7. the reactant that is used up when a reaction goes to completion
  8. an instrument used to determine the relative masses of atoms by the deflection of their ions on a magnetic feild.
  9. the number of of atoms in exactly 12g of carbon 12 rounded to 4 figures 6.022x10²³
  10. one in which two compounds exchange parts to form two new compounds.
  11. this is the mass of one mole of a compound.
  12. chemical substances that result from a cheical reaction
  13. calculated maximum mass of a product that can be obtained from the given amounts of reactants.

22 Clues: this is the mass of one mole of a compound. • chemical substances that result from a cheical reaction • a quantity of a substance that contains avagadro's number • this is the actual formula of each element in a compound. • the study of the quantities of materials consumed and produced • one in which two substances chemically combine to form a third. • ...

chemical equations 2022-10-06

chemical equations crossword puzzle
Across
  1. a chemical reaction showing matter was +/-
  2. substances present before chemical reaction
  3. changing reactants into products
  4. a pure substance that cant be broken down
  5. mass is never created ordestroyed
Down
  1. the substances after a chemical reaction
  2. the number in front of a chemical formula
  3. chemical reaction showing no matter was +/-
  4. a group of atoms bonded together
  5. anything that has mass and takes up space

10 Clues: changing reactants into products • a group of atoms bonded together • mass is never created ordestroyed • the substances after a chemical reaction • the number in front of a chemical formula • a pure substance that cant be broken down • anything that has mass and takes up space • a chemical reaction showing matter was +/- • substances present before chemical reaction • ...

Chemistry Final Crossword 2020-06-13

Chemistry Final Crossword crossword puzzle
Across
  1. rearrangement of atom into new substances
  2. anything having mass and taking up space
  3. useable power such as heat or electricity
  4. the amount of space
  5. the action of predicting something
  6. done in the same way over time, especially so as to be fair or accurate.
  7. a course along which someone or something moves
  8. a substance made from a chemical reaction
  9. numbers with a contextual meaning
  10. the action of departing from an established course
  11. oil that is burned to produce heat or power
  12. a circumstance, fact, or influence that contributes to a result or outcome.
  13. a chemical reaction between a fuel and oxygen
Down
  1. a position on a real or imaginary scale of amount, quantity, extent, or quality.
  2. the amount of time occupied by something
  3. the basic unit of matter
  4. the substances that combine in a chemical reaction
  5. able to be changed or adapted
  6. start or set in motion
  7. basic description of the variability of a distribution
  8. quantitative observation of the size, extent or amount of an object.
  9. the area of variation between upper and lower limits on a particular scale.
  10. the rate at which someone or something is able to move
  11. how far something is
  12. of the action or process of observing something or someone carefully.
  13. standard reference experiment done under parallel or identical conditions.
  14. Pure substance that cannot be broken down into simpler substances by a chemical reaction.

27 Clues: the amount of space • how far something is • start or set in motion • the basic unit of matter • able to be changed or adapted • numbers with a contextual meaning • the action of predicting something • the amount of time occupied by something • anything having mass and taking up space • rearrangement of atom into new substances • useable power such as heat or electricity • ...

Ch.12 DNA & Ch. 2-4 Enzymes Vocab - Nitya Jain 2023-12-05

Ch.12 DNA & Ch. 2-4 Enzymes Vocab - Nitya Jain crossword puzzle
Across
  1. a substance that speeds up the rate of a chemical reaction
  2. the observation that [A] = [T] and [G] = [C]
  3. an enzyme that unzips DNA by breaking hydrogen bonds
  4. a pair of helices twisted around each other
  5. the nearly perfect fit between A–T and G–C nucleotides
  6. the element or compound produced by a chemical reaction
  7. a process that changes or transforms one set of chemicals into another
  8. a process of cells duplicating DNA before they divide
  9. when changes in pH or temperature change the shape of a protein making it non-functional
  10. proteins that speed up chemical reactions that take place in cells
  11. two strands of DNA running in opposite directions
  12. an enzyme that adds some RNA nucleotide to the beginning of the new DNA strand
Down
  1. a region on an enzyme that binds to a protein or other substance during a reaction
  2. the principal enzyme involved in DNA replication
  3. a process when a harmless form of bacteria changes into a disease causing form
  4. an enzyme that links the fragments of the backbone of DNA strands together
  5. bases that contain nitrogen
  6. energy the energy needed to get a reaction started
  7. a kind of virus that infects bacteria
  8. the element or compound that enters a chemical reaction
  9. a nucleic acid made up of nucleotides joined into long strands or chains
  10. an extended spiral chain of units in a protein, nucleic acid, or other large molecule

22 Clues: bases that contain nitrogen • a kind of virus that infects bacteria • a pair of helices twisted around each other • the observation that [A] = [T] and [G] = [C] • the principal enzyme involved in DNA replication • two strands of DNA running in opposite directions • energy the energy needed to get a reaction started • an enzyme that unzips DNA by breaking hydrogen bonds • ...

The Final Assignment 2022-12-16

The Final Assignment crossword puzzle
Across
  1. logical interpretation based on prior knowledge
  2. bottom of the microscope
  3. includes DNA and RNA
  4. holds the slide in place on the stage of the microscope
  5. smallest unit of matter
  6. reactant in an enzyme catalyzed reaction
  7. compounds that result from a chemical reaction
  8. include sugars, starches, and cellulose
  9. protects the eyes during a lab investigation
  10. structure of a cell
  11. "brain of the cell"
Down
  1. cell that contains a nucleus
  2. cell that does not contain a nucleus
  3. starting material in a chemical reaction
  4. magnifying glass
  5. inside of the nucleus
  6. includes fats, phospholipids, waxes, and steroids
  7. sharp object used to dissect
  8. large molecule composed of smaller molecules
  9. process of gathering information

20 Clues: magnifying glass • structure of a cell • "brain of the cell" • includes DNA and RNA • inside of the nucleus • smallest unit of matter • bottom of the microscope • cell that contains a nucleus • sharp object used to dissect • process of gathering information • cell that does not contain a nucleus • include sugars, starches, and cellulose • starting material in a chemical reaction • ...

Chemistry crossword 2023-10-31

Chemistry crossword crossword puzzle
Across
  1. negatively charged particles that orbit an atom's nucleus
  2. The person that discovered hydrogen was Henry Cavendish Uranium Is named after the planet Uranus
  3. substances that release hydrogen ions in a solution
  4. the process of a solid turning directly into a gas, without passing through a liquid phase
  5. a reaction that combines, carbon dioxide and water to produce sugar and oxygen under the presence of sunlight
  6. changes the rearrangement of atoms
  7. the ability of a substance to dissolve in a solven
  8. a reaction with metals and oxygen to produce a metal oxide.
  9. The process of gaining electron
  10. the breakdown of a compound using water
  11. substances that release hydroxide ions in a solution
  12. a substance made of two or more different elements bonded together
  13. the processes that transform one substance into another
  14. a state in which a chemical reaction is no longer proceeding
  15. The basic building blocks of matter
  16. the process of changing from a gas to a liquid
Down
  1. the topic this whole crossword is about
  2. The process of liquid turning into a gas
  3. the simplest form of a substance, can't be broken down any further
  4. a chemical reaction with a hydrocarbon and oxygen to produce carbon dioxide and water
  5. alloys combining different metals to create alloys
  6. A measure of how acidic or basic a solution is
  7. the process by which a chemical reaction is accelerated by a catalyst
  8. groups of atoms bonded together to form compounds
  9. It is usually used as an additive in alloys
  10. The process of forming crystals from a solution
  11. atoms of the same element that have a different number of neutrons
  12. table the chart that organizes all elements by their atomic number and chemical properties
  13. acid produces a metal salt and hydrogen

29 Clues: The process of gaining electron • changes the rearrangement of atoms • The basic building blocks of matter • the topic this whole crossword is about • the breakdown of a compound using water • acid produces a metal salt and hydrogen • The process of liquid turning into a gas • It is usually used as an additive in alloys • A measure of how acidic or basic a solution is • ...

Chemistry crossword 2023-10-31

Chemistry crossword crossword puzzle
Across
  1. The process of liquid turning into a gas
  2. The process of forming crystals from a solution
  3. a substance made of two or more different elements bonded together
  4. the processes that transform one substance into another
  5. The basic building blocks of matter
  6. negatively charged particles that orbit an atom's nucleus
  7. a chemical reaction with a hydrocarbon and oxygen to produce carbon dioxide and water
  8. Is named after the planet Uranus
  9. alloys combining different metals to create alloys
  10. changes the rearrangement of atoms
  11. the process of a solid turning directly into a gas, without passing through a liquid phase
  12. the simplest form of a substance, can't be broken down any further
  13. the breakdown of a compound using water
  14. A measure of how acidic or basic a solution is
  15. The process of gaining electron
Down
  1. a reaction that combines, carbon dioxide and water to produce sugar and oxygen under the presence of sunlight
  2. It is usually used as an additive in alloys
  3. a state in which a chemical reaction is no longer proceeding
  4. The person that discovered hydrogen was Henry Cavendish
  5. the process by which a chemical reaction is accelerated by a catalyst
  6. the process of changing from a gas to a liquid
  7. the topic this whole crossword is about
  8. the ability of a substance to dissolve in a solven
  9. groups of atoms bonded together to form compounds
  10. table the chart that organizes all elements by their atomic number and chemical properties
  11. atoms of the same element that have a different number of neutrons
  12. substances that release hydroxide ions in a solution
  13. a reaction with metals and oxygen to produce a metal oxide.
  14. substances that release hydrogen ions in a solution
  15. acid produces a metal salt and hydrogen

30 Clues: The process of gaining electron • Is named after the planet Uranus • changes the rearrangement of atoms • The basic building blocks of matter • the topic this whole crossword is about • acid produces a metal salt and hydrogen • the breakdown of a compound using water • The process of liquid turning into a gas • It is usually used as an additive in alloys • ...

Chemistry Learning Set 2 Practice 2024-12-10

Chemistry Learning Set 2 Practice crossword puzzle
Across
  1. The substances that are made as a result of a chemical reaction taking place
  2. A chemical reaction written with the scientific/chemical names for the substances in the reaction
  3. The number that tells the amount of each element in a molecule
  4. An area/space where material cannot get in or out
  5. A chemical reaction where a fuel reacts with oxygen to form new substances, characterized by light and flames
  6. The process of using electricity to separate the hydrogen and oxygen atoms in a water molecule to form hydrogen and oxygen molecules
  7. The factor that might have changed as a result of the experiment, measured to see if there was a difference
  8. The number that shows the amount of molecules of reactant or product in the equation
  9. Lab process to test one variable to see if there will be a change in results
Down
  1. The scientific notation for atoms and molecules use symbols from the periodic table
  2. One or more substances interacting to form one or more substances different from the beginning substance
  3. The factor that is changed to see if it will make a difference
  4. Multiple types of molecules in the container or material
  5. The factors in lab that are kept constant throughout the experiment
  6. A feature of a substance that will remain the same no matter the physical change made to the substance
  7. Different types of atoms
  8. Matter going from one state; solid, liquid, or gas, to another state of matter
  9. An area/space where material can get in and out
  10. The material that is put together to make a chemical reaction occur
  11. The smallest part of matter, building blocks of molecules
  12. The smallest part of the substances we interact with in the world

21 Clues: Different types of atoms • An area/space where material can get in and out • An area/space where material cannot get in or out • Multiple types of molecules in the container or material • The smallest part of matter, building blocks of molecules • The factor that is changed to see if it will make a difference • ...

Chemistry Crossword 2014-11-07

Chemistry Crossword crossword puzzle
Across
  1. Positively charged particle located in the nucleus of an atom.
  2. Slow chemical reaction that occurs when oxygen in the air reacts with a metal.
  3. An atom that has lost or gained electrons to become electrically charged.
  4. A group in the periodic table that is made up of the most stable and nonreactive elements.
  5. A substance that reacts with another substance(s) to form a new substance with different properties.
  6. An experiment where all of the products of a chemical reaction are accounted for.
  7. A pure substance that has one type of atom and cannot be broken down.
  8. Vertical column of elements in the periodic table
  9. A group in the periodic table that is made up of the most reactive metals.
  10. An organic catalyst that speeds up reaction in living beings.
  11. Substance that speeds up a chemical reaction.
Down
  1. Number of protons in a nucleus of 1 atom of an element.
  2. A physical property that determines how well a solid can be stretched into a wire.
  3. An element that does not conduct electricity. Is dull & brittle.
  4. An experiment where the products of a chemical reaction can escape.
  5. A particle in the centre of an atom that is neutral.
  6. An element in the periodic table with both metallic & non-metallic properties.
  7. The centre of an atom that is positively charged with neutons & protons.
  8. Fast chemical reaction that occurs when oxygen reacts with a substance and gives off heat.
  9. A compound represented by symbols.
  10. Invisible negatively charged particles that orbits an atoms nucleus.
  11. A group of non-metals in the periodic table that are the most reactive.
  12. Amount of mass in a given volume of a substance.
  13. The smallest part of an element in which it represents. It is made up of a nucleus containing protons & neutrons.

24 Clues: A compound represented by symbols. • Substance that speeds up a chemical reaction. • Amount of mass in a given volume of a substance. • Vertical column of elements in the periodic table • A particle in the centre of an atom that is neutral. • Number of protons in a nucleus of 1 atom of an element. • An organic catalyst that speeds up reaction in living beings. • ...

Chem Mod 9 Vocab 2023-04-26

Chem Mod 9 Vocab crossword puzzle
Across
  1. the heat energy given out when one mole of a substance burns completely in oxygen
  2. the extent of a reaction when it is at equilibrium
  3. chemical reaction where the reactants form products that, in turn, react together to give the reactants back
  4. the amount of energy that is transferred from one system to its surroundings because of a temperature difference
  5. the measurement of energy in a thermodynamic system
  6. condition in the course of a reversible chemical reaction in which no net change in the amounts of reactants and products occurs
  7. everything that is not a part of the system
  8. the energy stored in the chemical bonds of a substance
  9. unit of work or energy in the International System of Units
  10. the amount of energy is neither created nor destroyed
  11. physical destruction of an object that is exposed to intense heat
Down
  1. one in which all species are present in the same phase
  2. one in which species exist in more than one phase
  3. the quantity of heat required to raise the temperature of one gram of a substance by one Celsius degree
  4. change in one of the variables that describe a system at equilibrium produces a shift in the position of the equilibrium that counteracts the effect of this change
  5. the study of heat and energy related to various physical transformations and chemical reactions
  6. reaction in which the conversion of reactants to products and the conversion of products to reactants occur simultaneously
  7. effect on an equilibrium when one or more species in the reaction is shared with another reaction.
  8. the amount of energy needed to change one mole of a substance from the solid phase to the liquid phase at constant temperature and pressure
  9. a device used to measure the heat flow of a chemical reaction or physical change
  10. A system is the set of substances and energy that is being studied
  11. when the rate of the forward reaction equals the rate of the reverse reaction
  12. the capacity to supply heat or do work
  13. condition in the course of a reversible chemical reaction in which no net change in the amounts of reactants and products occurs
  14. the amount of energy needed to warm 1 g of H2O by 1°C

25 Clues: the capacity to supply heat or do work • everything that is not a part of the system • one in which species exist in more than one phase • the extent of a reaction when it is at equilibrium • the measurement of energy in a thermodynamic system • the amount of energy is neither created nor destroyed • the amount of energy needed to warm 1 g of H2O by 1°C • ...

Maddie 2024-05-22

Maddie crossword puzzle
Across
  1. A pure substance
  2. The smallest unit of an element
  3. The amount of matter in an object
  4. A measure of heat or coldness
  5. A combination of substances that can be physically separated
  6. The transfer of thermal energy
  7. the substances that are formed during a reaction
  8. The ability to cause change
  9. To hold together
  10. An chemical reaction process that changes substances into new substances
Down
  1. The substances which participate in a reaction
  2. The amount of space something takes up
  3. Something that takes up space
  4. Two or more atoms joined together
  5. Characteristic of a substance that can be observed or measured without changing
  6. An action that takes a substance and changes it
  7. A substance relating to how it can change as a result of a reaction
  8. A change in matter than doesn't affect its chemical composition

18 Clues: A pure substance • To hold together • The ability to cause change • Something that takes up space • A measure of heat or coldness • The transfer of thermal energy • The smallest unit of an element • The amount of matter in an object • Two or more atoms joined together • The amount of space something takes up • The substances which participate in a reaction • ...