chemical reaction Crossword Puzzles

Chemistry Crossword 2018-12-13

Chemistry Crossword crossword puzzle
Across
  1. A system of easy-to-use warning symbols for hazardous materials
  2. slow chemical change that occurs when oxygen in the air reacts with metal
  3. description of a solid that can be stretched into a long wire
  4. ability of a substance to conduct electricity or heat
  5. Change of state from a gas to a liquid
  6. Solid, liquid, gas and plasma
  7. chemical reaction that produces heat
  8. Measure of atomic mass
  9. Change of state from a liquid to a solid
  10. Amount of mass in a given volume of a substance
Down
  1. group 17 elements in the periodic table least reactive metals
  2. number of protons in the nucleus equal to electrons
  3. Change in the appearance or state of a substance that does not change the composition
  4. Change of state from solid to a liquid
  5. substance that speeds up chemical reactions
  6. positively charged center of an atom contains protons and nuetrons
  7. chemical reaction that absorbs heat
  8. invisible negatively charged particle that orbits the nucleus of an atom
  9. Change of state from a liquid to a gas
  10. pure substance formed when at least one ,metal and nonmetal combine
  11. Change of stare from a solid to gas or a gas to a solid
  12. a material that electricity or heat can move through easily
  13. chemical combination of two or more substances in a specific ratio
  14. pure substance that cannot be broken down into other substances contains one atom
  15. Catalyst involved in chemical reactions in living things

25 Clues: Measure of atomic mass • Solid, liquid, gas and plasma • chemical reaction that absorbs heat • chemical reaction that produces heat • Change of state from solid to a liquid • Change of state from a gas to a liquid • Change of state from a liquid to a gas • Change of state from a liquid to a solid • substance that speeds up chemical reactions • ...

Chemistry Crossword 2018-12-10

Chemistry Crossword crossword puzzle
Across
  1. positively charged center of an atom contains protons and nuetrons
  2. Change of stare from a solid to gas or a gas to a solid
  3. invisible negatively charged particle that orbits the nucleus of an atom
  4. chemical combination of two or more substances in a specific ratio
  5. a material that electricity or heat can move through easily
  6. Change of state from a gas to a liquid
  7. A system of easy-to-use warning symbols for hazardous materials
  8. chemical reaction that produces heat
  9. Measure of atomic mass
  10. Change in the appearance or state of a substance that does not change the composition
  11. Solid, liquid, gas and plasma
  12. number of protons in the nucleus equal to electrons
Down
  1. Catalyst involved in chemical reactions in living things
  2. description of a solid that can be stretched into a long wire
  3. Amount of mass in a given volume of a substance
  4. pure substance formed when at least one ,metal and nonmetal combine
  5. Change of state from a liquid to a solid
  6. Change of state from a liquid to a gas
  7. substance that speeds up chemical reactions
  8. group 17 elements in the periodic table least reactive metals
  9. chemical reaction that absorbs heat
  10. slow chemical change that occurs when oxygen in the air reacts with metal
  11. ability of a substance to conduct electricity or heat
  12. pure substance that cannot be broken down into other substances contains one atom
  13. Change of state from solid to a liquid

25 Clues: Measure of atomic mass • Solid, liquid, gas and plasma • chemical reaction that absorbs heat • chemical reaction that produces heat • Change of state from a liquid to a gas • Change of state from a gas to a liquid • Change of state from solid to a liquid • Change of state from a liquid to a solid • substance that speeds up chemical reactions • ...

Chapter 12: Basics of Chemistry 2013-01-29

Chapter 12: Basics of Chemistry crossword puzzle
Across
  1. Organic chemistry contains
  2. Combination of two or more atoms
  3. Neutralizes acids or raises the pH of hair products
  4. Can be mixed to make a stable solution
  5. Contains two or more of the same element (2 words)
  6. Lighting a match is an example of __
  7. Volatile organic compounds
  8. Measures the alkalinity and acidity of substances
  9. Change in chemical composition (2 words)
  10. Derived from plants (acronym)
  11. Salt water is an example of a (2 words)
  12. Particles in a mixture
  13. has a positive charge
  14. Water-loving
  15. Inorganic chemistry may contain
  16. Allows oil and water to mix
  17. Occupies space
Down
  1. Contains two or more of different elements in definite proportions (2 words)
  2. Smallest chemical compound
  3. Liquids that cannot be mixed to make a stable solution
  4. Chemical reaction in which the oxidizing agent is reduced and the reducing agent is oxidized
  5. Chemical reactions that release a significant amount of heat (2 words)
  6. Oil-loving
  7. Simplest form of chemical matter
  8. Separation of an atom or molecule into ions
  9. Liquid, __, and solid are the states of matter
  10. Composed of hydrogen and nitrogen
  11. Oxidizing ___ is a substance that releases oxygen
  12. Sweet, colourless oily substance
  13. Also known as bases
  14. Means multiples of ten
  15. Change in the form of physical properties (2 words)
  16. has a negative charge
  17. Chemical reaction that combines a substance with oxygen
  18. Most substances do not exist in a ___ state

35 Clues: Oil-loving • Water-loving • Occupies space • Also known as bases • has a negative charge • has a positive charge • Means multiples of ten • Particles in a mixture • Organic chemistry contains • Smallest chemical compound • Volatile organic compounds • Allows oil and water to mix • Derived from plants (acronym) • Inorganic chemistry may contain • Combination of two or more atoms • ...

Enzymes 2025-03-18

Enzymes crossword puzzle
Across
  1. The enzyme that breaks down starch into maltose
  2. A measure of acidity or alkalinity affecting enzyme activity
  3. The enzyme that breaks down lactose in dairy products
  4. The sugar in milk that requires lactase to be digested
  5. The specific molecule that an enzyme acts upon
  6. The result of an enzyme catalysed reaction
  7. A protease enzyme that works in the stomach
  8. A substance that speeds up a chemical reaction without being consumed
  9. The chemical formula for the acid in the stomach that activates pepsin
Down
  1. The organ that produces digestive enzymes for the small intestine
  2. A biological catalyst that speeds up chemical reactions
  3. The enzyme that breaks down proteins into amino acids
  4. When an enzyme loses its shape and stops working due to heat or pH changes
  5. A component of fats that results from lipase action
  6. A substance produced by the liver that helps emulsify fats for digestion
  7. The organ where pepsin breaks down proteins
  8. Intestine The main site of chemical digestion and nutrient absorption
  9. The enzyme that breaks down fats into fatty acids and glycerol

18 Clues: The result of an enzyme catalysed reaction • The organ where pepsin breaks down proteins • A protease enzyme that works in the stomach • The specific molecule that an enzyme acts upon • The enzyme that breaks down starch into maltose • A component of fats that results from lipase action • The enzyme that breaks down proteins into amino acids • ...

Metabolism 2026-02-11

Metabolism crossword puzzle
Across
  1. The organelle where photosynthesis takes place.
  2. An anaerobic process used to make energy without oxygen.
  3. The starting substance in a chemical reaction.
  4. The flattened sacs inside a chloroplast where light reactions occur.
  5. A pathway that breaks down large molecules into smaller ones
  6. A process that does not require oxygen.
  7. An organism that makes its own food.
  8. The sugar molecule produced during photosynthesis.
  9. A process that requires oxygen to produce energy.
  10. The green pigment that absorbs light energy.
Down
  1. The total of all chemical reactions occurring within a cell.
  2. The process where plants convert light energy into chemical energy. RESPIRATION, The process where cells break down glucose to release energy
  3. The substance formed at the end of a chemical reaction.
  4. A pathway that uses energy to build large molecules.
  5. The stage of cellular respiration that occurs in the mitochondrial matrix. GLYCOLYSIS, The first step of respiration that breaks glucose into pyruvate.
  6. An organism that must consume others for energy.
  7. The primary energy currency of the cell.
  8. The organelle known as the powerhouse that produces ATP.

18 Clues: An organism that makes its own food. • A process that does not require oxygen. • The primary energy currency of the cell. • The green pigment that absorbs light energy. • The starting substance in a chemical reaction. • The organelle where photosynthesis takes place. • An organism that must consume others for energy. • A process that requires oxygen to produce energy. • ...

Biology 2019-09-29

Biology crossword puzzle
Across
  1. A group of similar organisms that can breed and produce fertile offspring
  2. Attraction between molecules of the same substance
  3. A molecule that is a constituent of the inner bilayer of biological membranes, having a polar, hydrophilic head and a nonpolar, hydrophobic tail
  4. A double sugar, consisting of two monosaccharides joined by dehydration synthesis.
  5. Energy needed to get a reaction started
  6. Water fearing
  7. A subatomic particle that has no charge and that is found in the nucleus of an atom
  8. lipid molecule with four fused carbon rings
  9. A type of protein that speeds up a chemical reaction in a living thing
Down
  1. A chemical substance that is present at the start of a chemical reaction
  2. Carbohydrates that are made up of more than two monosaccharides
  3. A group of ecosystems that share similar climates and typical organisms
  4. the energy required to break a chemical bond and form neutral isolated atoms
  5. The amount of energy required to raise the temperature of 1 gram of a substance by 1 degree celcius
  6. A tendency to maintain a balanced or constant internal state; the regulation of any aspect of body chemistry, such as blood glucose, around a particular level
  7. An attraction between molecules of different substances
  8. Formed when one or more electrons are transferred from one atom to another
  9. A fat that is solid at room temperature and found in animal fats, lards, and dairy products
  10. describes a molecule in which the positive and negative charges are separated
  11. A liquid substance capable of dissolving other substances

20 Clues: Water fearing • Energy needed to get a reaction started • lipid molecule with four fused carbon rings • Attraction between molecules of the same substance • An attraction between molecules of different substances • A liquid substance capable of dissolving other substances • Carbohydrates that are made up of more than two monosaccharides • ...

Thermochemistry 2024-05-26

Thermochemistry crossword puzzle
Across
  1. Chemical reaction in which heat is absorbed
  2. Heat Energy
  3. water by 1°C, or about 4.2 joules
  4. The result of the movement of tiny particles called atoms, molecules, or ions
  5. A substance that takes part in an undergoes change during a reaction
  6. The species formed from chemical reactions
  7. The energy an object or particle has due to its motion
  8. Units
  9. The energy that comes from a source and travels through space at the speed of light
  10. The energy required to raise the temperature of 1 gram of a substance by 1°C
  11. The quantity of heat necessary to change 1 gram of solid to a liquid without temperature changes
  12. the amount of heat needed to turn 1 gram of a liquid into vapor, without a rise in the temperature of the liquid
Down
  1. The unit of temperature on the Celsius scale in the International System
  2. A unit of measurement for temperature (thermodynamics)
  3. solids, liquids and gases
  4. in a state
  5. The study of energy changes that occur during chemical reactions and
  6. The unit of work or energy in the International System of Units
  7. Chemical reaction in which heat is given off
  8. The process by which heat is transferred by movement of a heated fluid, such as air or water
  9. an energy unit equal to the approximate amount of energy required to raise 1 g
  10. The process by which heat is transferred from the hotter end to the colder end of an object
  11. The measurement of heat changes

23 Clues: Units • in a state • Heat Energy • solids, liquids and gases • The measurement of heat changes • water by 1°C, or about 4.2 joules • The species formed from chemical reactions • Chemical reaction in which heat is absorbed • Chemical reaction in which heat is given off • A unit of measurement for temperature (thermodynamics) • ...

Grade 7 Bilingual - Unit 2 crossword 2023-12-07

Grade 7 Bilingual - Unit 2 crossword crossword puzzle
Across
  1. Substances used in chemical reactions to detect, measure, examine, or produce other substances.
  2. When something falls down suddenly, usually because it's not structurally sound.
  3. How clearly objects can be seen, often used in the context of weather conditions.
  4. This process happens when something burns, combining with oxygen and releasing heat and light.
  5. Something that comes first, often serving as a preparation or introduction.
  6. This type of reaction involves the combining of a substance with oxygen.
  7. A common substance, chemically known as sodium chloride, often used to season food.
  8. A chemical reaction that releases heat into its surroundings
  9. Gases or particles that are released into the air, often from vehicles or factories.
  10. The condition of the atmosphere at a particular place and time, with respect to heat, cloudiness, dryness, sunshine, wind, rain, etc.
  11. A branch of mathematics dealing with data collection, analysis, interpretation, and presentation.
Down
  1. A substance that readily undergoes chemical changes
  2. A paper with a rough surface used for smoothing or polishing
  3. A type of plastic that is made from plant or other biological materials instead of petroleum.
  4. Huge, slow-moving masses of ice found in mountains or near the poles.
  5. A large rock, typically one that has been worn smooth by erosion.
  6. This substance, like gasoline or wood, is burned to produce energy
  7. Chemically inactive
  8. This type of chemical reaction absorbs heat
  9. To scatter or fade away
  10. The act of clearing a wide area of trees.
  11. Iron does this when it reacts with oxygen and water over time, forming a reddish-brown coating

22 Clues: Chemically inactive • To scatter or fade away • The act of clearing a wide area of trees. • This type of chemical reaction absorbs heat • A substance that readily undergoes chemical changes • A paper with a rough surface used for smoothing or polishing • A chemical reaction that releases heat into its surroundings • ...

dnjds 2022-01-27

dnjds crossword puzzle
Across
  1. depends only on the type of matter in a sample and not on the amount.
  2. no shape
  3. a coherent, typically large body of matter with no definite shape.
  4. particle of matter that uniquely defines a chemical element
  5. change of a substance from one physical form to another
  6. gas law pv=nrt
  7. transition of a substance directly from a solid-state to a gas state
  8. fourth state of matter
  9. depends on the amount of matter in a sample
  10. one chemical substance is transformed into one or more different substances
  11. composition is not uniform throughout the mixture
  12. the substances produced at the end of the reaction
  13. amount of mass and space taken up
Down
  1. mass is neither created nor destroyed
  2. takes shape of container
  3. the action of purifying a liquid by a process of heating and cooling.
  4. of a liquid, solution, or gas to a crystal
  5. process in which solid particles in a liquid or gaseous fluid are removed by the use of a filter medium
  6. a change in properties such as texture, shape, or state
  7. observed or measured without changing the identity of the substance
  8. substance that takes part in and undergoes change during a reaction.
  9. has a definite shape
  10. composition is uniform throughout the mixture
  11. of matter liquid gas solid
  12. substance form of matter that has a constant composition and properties that are constant throughout the sample
  13. combining 2 chemical substances
  14. a substance diffused or suspended in the air
  15. characteristic of a particular substance that can be observed in a chemical reaction.

28 Clues: no shape • gas law pv=nrt • has a definite shape • fourth state of matter • takes shape of container • of matter liquid gas solid • combining 2 chemical substances • amount of mass and space taken up • mass is neither created nor destroyed • of a liquid, solution, or gas to a crystal • depends on the amount of matter in a sample • a substance diffused or suspended in the air • ...

Foooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooood 2024-02-06

Foooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooood crossword puzzle
Across
  1. textureing agent
  2. metobobolic process that produces chemical changes in enzymes.
  3. adding bright, fresh notes and enhancing other ingredients
  4. Flavoring agent
  5. When people put food away to eat later
  6. the movement of particles through a membrane.
Down
  1. A bunch of students at CRMS work on a project about food and science.
  2. When protein gets unraveled due to heat.
  3. reaction, the reaction that browns foods.
  4. when food rises.
  5. changes in nutrient composition, fat content, moisture, flavor, smell, texture, and color.
  6. the reaction that put salt in your meat and
  7. combines liquids that would not be using oil or mustard.

13 Clues: Flavoring agent • textureing agent • when food rises. • When people put food away to eat later • When protein gets unraveled due to heat. • reaction, the reaction that browns foods. • the reaction that put salt in your meat and • the movement of particles through a membrane. • combines liquids that would not be using oil or mustard. • ...

David's Crossword Puzzle Chemistry 3rd Hour 2025-05-06

David's Crossword Puzzle Chemistry 3rd Hour crossword puzzle
Across
  1. A stable isotope of hydrogen
  2. Its product is something that looks like helium
  3. Its a name that ends with a D and Starts with a D
  4. Same element different number of nuetrons
  5. Hydrogen with different atomic mass
  6. Something in a chemical reaction that causes the reaction
  7. When Two things are joined together
Down
  1. Its Product is energy
  2. A kind of decay that gives off a Proton and a electron
  3. A kind of decay that gives off a positron and a neutron
  4. What is given at the end of a chemical reaction
  5. What is the opposite of Fusion
  6. the exact same thing as a electron but postive

13 Clues: Its Product is energy • A stable isotope of hydrogen • What is the opposite of Fusion • Hydrogen with different atomic mass • When Two things are joined together • Same element different number of nuetrons • the exact same thing as a electron but postive • Its product is something that looks like helium • What is given at the end of a chemical reaction • ...

All about Enzymes 2022-11-10

All about Enzymes crossword puzzle
Across
  1. A pH level ideal for the reaction to occur at the fastest possible rate
  2. A substance that speeds up the rate of chemical reactions
  3. An enzyme that breaks down protein
  4. Proteins which function as biological catalysts
  5. The starting material for an enzyme to act upon
  6. The region of an enzyme where substrate molecules bind and undergo a chemical reaction
Down
  1. An enzyme that breaks down hydrogen peroxide into water and oxygen
  2. A stomach enzyme that breaks down protein into amino acids and aids digestion
  3. An enzyme that breaks down cell walls and enhances the process of fruit juice extraction
  4. When an enzyme loses its structure and is no longer able to function, it is...
  5. An enzyme that converts complex carbohydrates into simple sugars
  6. A compound obtained at the end of a chemical reaction
  7. An enzyme that breaks down fat

13 Clues: An enzyme that breaks down fat • An enzyme that breaks down protein • Proteins which function as biological catalysts • The starting material for an enzyme to act upon • A compound obtained at the end of a chemical reaction • A substance that speeds up the rate of chemical reactions • An enzyme that converts complex carbohydrates into simple sugars • ...

Ch2 The Chemistry of Life 2024-09-21

Ch2 The Chemistry of Life crossword puzzle
Across
  1. Weak forces of attraction between molecules, caused by temporary dipoles formed by shifting electron clouds.
  2. A substance that stabilizes the pH of a solution by neutralizing small amounts of acid or base.
  3. A mixture in which small particles are dispersed in a liquid but do not dissolve (e.g., muddy water).
  4. A negatively charged particle that orbits the nucleus of an atom.
  5. A chemical bond formed when two atoms share electrons.
  6. scale A scale that measures the acidity or basicity of a solution, ranging from 0 (acidic) to 14 (basic), with 7 being neutral.
  7. A combination of two or more substances that are physically mixed but not chemically combined.
  8. The building block (monomer) of proteins.
  9. A polymer, such as DNA or RNA, that carries genetic information.
  10. The minimum amount of energy required to start a chemical reaction.
  11. An atom or molecule that has gained or lost electrons, resulting in a positive or negative charge.
  12. Organic compounds, including sugars and starches, that serve as a major energy source.
  13. A substance made of only one type of atom, such as hydrogen or oxygen.
  14. A polymer made of amino acids, responsible for many biological functions, including enzymes and muscle building.
  15. The substance that is dissolved in a solution (e.g., salt in saltwater).
  16. Organic compounds, such as fats and oils, used for long-term energy storage and cell structure.
  17. A substance with a pH below 7 that releases hydrogen ions (H⁺) in solution.
  18. A protein that acts as a biological catalyst to speed up chemical reactions in living organisms.
  19. A weak bond between slightly positive hydrogen atoms and slightly negative atoms (like oxygen or nitrogen) in molecules.
  20. A type of mixture where one substance (solute) is completely dissolved in another (solvent).
Down
  1. The central part of an atom, made up of protons and neutrons.
  2. The substance on which an enzyme acts during a chemical reaction.
  3. A substance with a pH above 7 that releases hydroxide ions (OH⁻) in solution.
  4. Atoms of the same element with the same number of protons but different numbers of neutrons.
  5. A substance made of two or more different elements chemically bonded together.
  6. The attraction between molecules of different substances (e.g., water molecules sticking to glass).
  7. The basic unit of matter, consisting of a nucleus surrounded by electrons.
  8. A substance that speeds up a chemical reaction without being consumed by it.
  9. The substance that dissolves the solute in a solution (e.g., water in saltwater).
  10. A substance that is formed as a result of a chemical reaction.
  11. A chemical bond formed when one atom transfers electrons to another atom, creating charged ions that attract each other.
  12. A substance that undergoes a change during a chemical reaction.
  13. A small molecule that can bond with others to form a polymer.
  14. A process in which substances (reactants) are changed into new substances (products) by breaking and forming bonds.
  15. The attraction between molecules of the same substance (e.g., water molecules sticking together).
  16. A large molecule made up of repeating smaller units called monomers.
  17. The building block (monomer) of nucleic acids, consisting of a sugar, a phosphate group, and a nitrogenous base.
  18. A group of atoms bonded together, representing the smallest unit of a compound that retains its chemical properties.

38 Clues: The building block (monomer) of proteins. • A chemical bond formed when two atoms share electrons. • The central part of an atom, made up of protons and neutrons. • A small molecule that can bond with others to form a polymer. • A substance that is formed as a result of a chemical reaction. • A substance that undergoes a change during a chemical reaction. • ...

Unit 2 2023-10-04

Unit 2 crossword puzzle
Across
  1. How much matter is in a certain space
  2. The new substances that occur after a chemical reaction
  3. Describes a material that can dissolve in a particular substance
  4. Describes a material that does not dissolve in something else
  5. A blend of two or more substances
  6. made of one type of material throughout
  7. How a substance interacts with fire
Down
  1. The substances you start with in a chemical reaction
  2. a characteristic of a substance that does not change
  3. Reaction A process in which one or more substances are converted to different substances
  4. When a solid dissolves in a liquid, the solid breaks apart into particles to small to see and it mixes completely in the liquid
  5. A measure of a fluid’s resistance to flow
  6. Process A method or means of somehow changing one or more chemicals or chemical compounds
  7. of Matter The distinct forms in which matter can exist (solid, liquid, gas)

14 Clues: A blend of two or more substances • How a substance interacts with fire • How much matter is in a certain space • made of one type of material throughout • A measure of a fluid’s resistance to flow • The substances you start with in a chemical reaction • a characteristic of a substance that does not change • The new substances that occur after a chemical reaction • ...

Chemistry paper 2 revision 2024-02-13

Chemistry paper 2 revision crossword puzzle
Across
  1. change of state from gas-liquid
  2. speeds up the rate of reaction by offering an alternative chemical pathway with a lower activation energy
  3. a process used to split long chain alkanes into shorter chains
  4. a pollutant produced under high temperature/pressure when nitrogen and oxygen from the air react
  5. A reaction that takes in energy from its surroundings
  6. caused by carbon particulates
  7. causes squeaky pop when lit splint added to it
  8. A reaction that gives out energy to its surroundings
  9. caused by carbon dioxide
  10. A molecule made up of only hydrogen and carbon atoms
  11. goes cloudy in presence of CO2
  12. relights a glowing splint
Down
  1. the minimum energy needed for a chemical reaction
  2. a pollutant that results in acid rain
  3. How thick a liquid is
  4. orange-colourless in present of an alkene
  5. a mixture designed as a useful product
  6. when increased, particles have more energy
  7. a pollutant produced by incomplete combustion
  8. used to separate inks in a sample
  9. a catalyst used in cracking
  10. increases as the molecules become larger- stronger IMF forces
  11. a pollutant produced by complete combustion
  12. the number of particles in a given volume
  13. water that is safe to drink is called...

25 Clues: How thick a liquid is • caused by carbon dioxide • relights a glowing splint • a catalyst used in cracking • caused by carbon particulates • goes cloudy in presence of CO2 • change of state from gas-liquid • used to separate inks in a sample • a pollutant that results in acid rain • a mixture designed as a useful product • water that is safe to drink is called... • ...

Caden Caldwell 2025-05-22

Caden Caldwell crossword puzzle
Across
  1. columns on the periodic table
  2. the total area of the exterior of an object
  3. hydrogen carbon and oxygen combine to make heat and light water and carbon dioxide
  4. reaction where a compound replaces a part of itself with another element
  5. something known because of your senses (sight sound smell etc)
  6. a number placed in front of a chemical symbol
  7. a atom that gained or lost a charge
  8. scaled from 0 to 7
  9. can be measured with a thermometer
  10. a reaction where a single compound splits or breaks down into smaller bits
  11. a reaction where two compound swap one of there parts with the other
  12. positive charge
  13. scaled from 7 to 14
  14. a atom that gained a positive charge
Down
  1. electrons on the outer most shell
  2. scaled at 7
  3. a atom that gained a negative charge
  4. range of numbers from 0 to 14
  5. a reaction where two or more elements or compounds combine
  6. a educated guess based on what you know
  7. the amount of a substance given
  8. the rows on the periodic table
  9. neutral charge
  10. number of protons
  11. how much matter contained in atom
  12. small number written below the chemical symbol and right a bit
  13. negative charge

27 Clues: scaled at 7 • neutral charge • positive charge • negative charge • number of protons • scaled from 0 to 7 • scaled from 7 to 14 • columns on the periodic table • range of numbers from 0 to 14 • the rows on the periodic table • the amount of a substance given • electrons on the outer most shell • how much matter contained in atom • can be measured with a thermometer • ...

Enzymes 2024-07-21

Enzymes crossword puzzle
Across
  1. - Biological catalysts speeding up reactions.
  2. - Enzymes functioning outside living cells.
  3. - Locations on enzymes, either active or allosteric.
  4. - Type of reaction enzymes catalyze.
  5. - Sites on enzyme other than the active site.
  6. - Resulting substances formed by enzyme action.
Down
  1. - Substances on which enzymes act.
  2. - Process enzymes speed up.
  3. - What catalysts do to reactions.
  4. - Type of catalysts enzymes are.
  5. - Substance speeding up chemical reactions without being changed.
  6. - Site on enzyme where substrate fits.
  7. - Enzymes working inside living cells.

13 Clues: - Process enzymes speed up. • - Type of catalysts enzymes are. • - What catalysts do to reactions. • - Substances on which enzymes act. • - Type of reaction enzymes catalyze. • - Site on enzyme where substrate fits. • - Enzymes working inside living cells. • - Enzymes functioning outside living cells. • - Biological catalysts speeding up reactions. • ...

Enzymes 2024-07-21

Enzymes crossword puzzle
Across
  1. - Biological catalysts speeding up reactions.
  2. - Enzymes functioning outside living cells.
  3. - Locations on enzymes, either active or allosteric.
  4. - Type of reaction enzymes catalyze.
  5. - Sites on enzyme other than the active site.
  6. - Resulting substances formed by enzyme action.
Down
  1. - Substances on which enzymes act.
  2. - Process enzymes speed up.
  3. - What catalysts do to reactions.
  4. - Type of catalysts enzymes are.
  5. - Substance speeding up chemical reactions without being changed.
  6. - Site on enzyme where substrate fits.
  7. - Enzymes working inside living cells.

13 Clues: - Process enzymes speed up. • - Type of catalysts enzymes are. • - What catalysts do to reactions. • - Substances on which enzymes act. • - Type of reaction enzymes catalyze. • - Site on enzyme where substrate fits. • - Enzymes working inside living cells. • - Enzymes functioning outside living cells. • - Biological catalysts speeding up reactions. • ...

Cellular Respiration 2023-04-05

Cellular Respiration crossword puzzle
Across
  1. The form of energy used by cells
  2. produces atp without oxygen
  3. energy in food comes from this source
  4. what comes out of a chemical reaction
  5. a product of cellular respiration
Down
  1. a waste product of anaerobic respiration
  2. what goes into a chemical reaction
  3. where cellular respiration takes place
  4. Inhaling and exhaling for gas exchange
  5. a byproduct of cellular respiration
  6. stores energy in food
  7. needed for cellular respiration
  8. cells need this to stay alive

13 Clues: stores energy in food • produces atp without oxygen • cells need this to stay alive • needed for cellular respiration • The form of energy used by cells • a product of cellular respiration • what goes into a chemical reaction • a byproduct of cellular respiration • energy in food comes from this source • what comes out of a chemical reaction • ...

Chemistry Puzzle 2025-04-08

Chemistry Puzzle crossword puzzle
Across
  1. plants produce food using sunlight
  2. a pure substance
  3. group of atoms bonded together
  4. the big number in front of the formula
  5. the smallest particle of matter
  6. the small number behind the element
  7. substance formed as a result of a chemical reaction
Down
  1. describes a chemical reaction
  2. change in form or appearance
  3. the starting materials found in a chemical equation

10 Clues: a pure substance • change in form or appearance • describes a chemical reaction • group of atoms bonded together • the smallest particle of matter • plants produce food using sunlight • the small number behind the element • the big number in front of the formula • the starting materials found in a chemical equation • substance formed as a result of a chemical reaction

Chapter 13 2019-10-02

Chapter 13 crossword puzzle
Across
  1. no atoms are lost or gained during any reaction.
  2. how quickly the concentration of reactants decreases and how quickly the concentration of products increases.
  3. to overcome the initial breaking of bonds in reactants.
  4. reaction is when there is a net release of energy.
Down
  1. also known as Activation Energy.
  2. is the minimum energy
  3. is a chemical that accepts a hydrogen ion, H+.
  4. is a chemical that donates a hydrogen ion, H+.
  5. reaction is when there is a net absorption of energy.
  6. when reaction and its reverse act at the same rate.
  7. is a measure of the concentration of hydronium ions, H3O+.

11 Clues: is the minimum energy • also known as Activation Energy. • is a chemical that accepts a hydrogen ion, H+. • is a chemical that donates a hydrogen ion, H+. • no atoms are lost or gained during any reaction. • reaction is when there is a net release of energy. • when reaction and its reverse act at the same rate. • reaction is when there is a net absorption of energy. • ...

Chemistry 3 Review Crossword 2020-02-13

Chemistry 3 Review Crossword crossword puzzle
Across
  1. Evil things that float around in the sky and judge me and contribute to global warming
  2. A Jedi who lived in the swamps of Degobah
  3. A chemical reaction in which the temperature measured in the reaction would decrease
  4. The scientific standard unit of energy
  5. Using electrolysis to coat an objecting in a metal
  6. A chemical reaction which gives off light
  7. A metal which cannot be mined and must be obtained through electrolysis
Down
  1. One way of extracting oil from fruits using heating and cooling
  2. Electrolysis of water produces oxygen and ...
  3. A unit of energy found on food packaging
  4. Lowers the activation energy of a reaction
  5. The electrode to which the negative ions move

12 Clues: The scientific standard unit of energy • A unit of energy found on food packaging • A Jedi who lived in the swamps of Degobah • A chemical reaction which gives off light • Lowers the activation energy of a reaction • Electrolysis of water produces oxygen and ... • The electrode to which the negative ions move • Using electrolysis to coat an objecting in a metal • ...

Enzymes 2020-03-02

Enzymes crossword puzzle
Across
  1. The founder of lock and key model.
  2. A breakdown of high-energy substances into lower-energy products.
  3. A component which is non-protein. It bound tightly and loosely for the efficiency of the enzyme's activity.
  4. An enzyme group which is to transfer a function group to another molecule.
  5. The condition where the unstable condition of an enzyme-substrate complex.
  6. It speeds up the chemical reaction and stays unchanged at the end of the reaction in a biological system.
  7. An enzyme group which breakdown substrate without removal of water.
Down
  1. The substance which promotes the active shape and increasing enzyme activity.
  2. The property of having a certain type of substrate to react with an enzyme.
  3. The enzymes change shape so that the substrate will be correctly oriented at the active site.
  4. The minimum energy needed for a specific chemical to occur.
  5. The place of the reaction occurs at an enzyme.
  6. Part of an endergonic reaction.
  7. Total reaction in a biological system.
  8. An enzyme group which join two molecules by the synthesis of a new bond.

15 Clues: Part of an endergonic reaction. • The founder of lock and key model. • Total reaction in a biological system. • The place of the reaction occurs at an enzyme. • The minimum energy needed for a specific chemical to occur. • A breakdown of high-energy substances into lower-energy products. • An enzyme group which breakdown substrate without removal of water. • ...

Chemical Reactions 2017-03-21

Chemical Reactions crossword puzzle
Across
  1. AB-A+B
  2. A list of metals ranked in order of decreasing reactivity to displace hydrogen gas from water and acid solutions.
  3. A+B-AB
  4. Tending to participate readily in reactions.
  5. Cause (a substance) to be deposited in solid form from a solution.
  6. Hydrocarbon+Oxygen-Carbon Dioxide+Water
  7. AB+CD-AD+CB
  8. Electrical charge that the central atom in a coordination compound would have if all the ligands and electron pairs were removed.
Down
  1. A reaction in which soluble ions in separate solutions are mixed together to form an insoluble compound that settles out of solution as a solid.
  2. The quality or property of being soluble.
  3. A chemical equation for a reaction which lists only those species participating in the reaction.
  4. A reaction in which an acid is added to a base (or a base is added to an acid) in order to form water and an inorganic salt.
  5. A half-reaction in which a chemical species decreases its oxidation number, usually by gaining electrons.
  6. A+BC-AC+B
  7. The process or result of oxidizing or being oxidized.

15 Clues: AB-A+B • A+B-AB • A+BC-AC+B • AB+CD-AD+CB • Hydrocarbon+Oxygen-Carbon Dioxide+Water • The quality or property of being soluble. • Tending to participate readily in reactions. • The process or result of oxidizing or being oxidized. • Cause (a substance) to be deposited in solid form from a solution. • ...

Chemistry Crossword!!! 2014-11-04

Chemistry Crossword!!! crossword puzzle
Across
  1. Compound formed when two nonmetals combine
  2. a system in which the products can escape
  3. characteristics used to describe a substance
  4. created the organization for the periodic table of elements
  5. A compound that is created by combing a metal and non-metal
  6. the substances that start the reaction
  7. the orbit of electrons around a nucleus in an atom
  8. the 7 horizontal rows in the periodic table
  9. elements with metal and non metal properties
  10. a chemical reaction that is formed when oxygen reacts with a substance that gives off energy
  11. Element that is brittle before heated
  12. matter going from a solid to liquid
Down
  1. An Organic Catalyst
  2. These chemists wrote the first chemistry text and created beakers and other lab equipment
  3. Found in the 18th group on periodic table of elements
  4. stands for workplace hazardous material information system
  5. a physical property found in metals and carbon
  6. Number that represents number of electrons and protons in one atom of elements
  7. A higher_________ creates a faster reaction rate
  8. Another word for a mechanical mixture
  9. Comes from the Greek word meaning juice of a plant
  10. the amount of mass in a given volume
  11. A chemical reaction that releases heat
  12. anything with mass or that occupies space
  13. Subatomic particles that are neutrally charged

25 Clues: An Organic Catalyst • matter going from a solid to liquid • the amount of mass in a given volume • Another word for a mechanical mixture • Element that is brittle before heated • the substances that start the reaction • A chemical reaction that releases heat • a system in which the products can escape • anything with mass or that occupies space • ...

Energy Unit Review 2021-12-20

Energy Unit Review crossword puzzle
Across
  1. energy obtained from flowing water.
  2. a source of energy that exists in limited quantities and, once used, cannot be replaced except over the course of millions of years.
  3. the ability to do work.
  4. energy that depends upon an object’s height above a reference point.
  5. the energy associated with electric charges.
  6. rich deposits of hydrocarbons formed underground from the remains of once-living organisms.
  7. a nuclear reaction in which an atomic nucleus is split into two smaller parts.
  8. energy that is stored as a result of position or shape.
  9. thermal energy beneath Earth’s surface.
Down
  1. the energy stored in chemical bonds.
  2. a cell that generates electricity from a controlled reaction between hydrogen and oxygen.
  3. energy stored in atomic nuclei.
  4. a form of energy consisting of changing electric and magnetic fields.
  5. the energy associated with the motion and position of everyday objects.
  6. potential energy of an object that is stretched or compressed.
  7. a nuclear reaction in which the nuclei of two atoms combine to form a larger nucleus.
  8. the chemical energy stored in living things.
  9. the energy an object has due to its motion.
  10. sunlight that is converted into usable energy.
  11. the practice of finding ways to use less energy or to use energy more efficiently.
  12. a source of energy that can be replaced in a relatively short period of time.
  13. a device that stores energy and then discharges it by converting chemical energy into electricity.
  14. the total potential and kinetic energy of all the particles in an object.

23 Clues: the ability to do work. • energy stored in atomic nuclei. • energy obtained from flowing water. • the energy stored in chemical bonds. • thermal energy beneath Earth’s surface. • the energy an object has due to its motion. • the chemical energy stored in living things. • the energy associated with electric charges. • sunlight that is converted into usable energy. • ...

dnjds 2022-01-27

dnjds crossword puzzle
Across
  1. depends only on the type of matter in a sample and not on the amount.
  2. no shape
  3. a coherent, typically large body of matter with no definite shape.
  4. particle of matter that uniquely defines a chemical element
  5. change of a substance from one physical form to another
  6. gas law pv=nrt
  7. transition of a substance directly from a solid-state to a gas state
  8. fourth state of matter
  9. depends on the amount of matter in a sample
  10. one chemical substance is transformed into one or more different substances
  11. composition is not uniform throughout the mixture
  12. the substances produced at the end of the reaction
  13. amount of mass and space taken up
Down
  1. mass is neither created nor destroyed
  2. takes shape of container
  3. the action of purifying a liquid by a process of heating and cooling.
  4. of a liquid, solution, or gas to a crystal
  5. process in which solid particles in a liquid or gaseous fluid are removed by the use of a filter medium
  6. a change in properties such as texture, shape, or state
  7. observed or measured without changing the identity of the substance
  8. substance that takes part in and undergoes change during a reaction.
  9. has a definite shape
  10. composition is uniform throughout the mixture
  11. of matter liquid gas solid
  12. substance form of matter that has a constant composition and properties that are constant throughout the sample
  13. combining 2 chemical substances
  14. a substance diffused or suspended in the air
  15. characteristic of a particular substance that can be observed in a chemical reaction.

28 Clues: no shape • gas law pv=nrt • has a definite shape • fourth state of matter • takes shape of container • of matter liquid gas solid • combining 2 chemical substances • amount of mass and space taken up • mass is neither created nor destroyed • of a liquid, solution, or gas to a crystal • depends on the amount of matter in a sample • a substance diffused or suspended in the air • ...

Chemistry- Semester 2 2024-05-16

Chemistry- Semester 2 crossword puzzle
Across
  1. this law expresses the relationship between pressure, temperature, and volume
  2. substance which is neither acidic or basic
  3. universal solvent
  4. a heat transfer when warm rises from from cooler either from gases or liquids
  5. contains more dissolved solute than a saturated solution (crystals are formed)
  6. a solution with a relatively high concentration
  7. element present in all acids
  8. a number written in front of a reactant or product of a chemical equation
  9. solute that dissolves in a solvent
  10. homogeneous mixtures
  11. a solution with a relatively low concentration
  12. substances that are formed as a result of a chemical reaction
  13. weak base used to neutralize stomach acidity
Down
  1. a form of energy
  2. this variable has units of mL or L
  3. contains less dissolved solute that a saturated (more solute can be dissolved)
  4. a heat transfer when there is no contact between the heat source and the object being heat
  5. it has never been this cold= zero K
  6. contains the maximum amount of dissolved solute in a solvent
  7. the substance that takes part in or undergoes change in a chemical reaction
  8. the ability to do work or supply heat
  9. the unit that represents the amount of a substance
  10. a heat transfer when two objects are in contact with each other
  11. experimental measurement of the amount of products obtained from a chemical reaction
  12. this law describes the relationship between pressure and volume of a gas
  13. law that talks about how volume and temperature are directly proportional

26 Clues: a form of energy • universal solvent • homogeneous mixtures • element present in all acids • this variable has units of mL or L • solute that dissolves in a solvent • it has never been this cold= zero K • the ability to do work or supply heat • substance which is neither acidic or basic • weak base used to neutralize stomach acidity • ...

Enzyme 2026-03-03

Enzyme crossword puzzle
Across
  1. organic molecules such as vitamins and NAD+. Organic cofactors
  2. fit describes a flexible active site that changes shape, or conforms, to the substrate as they bond together.
  3. is the sum of all the chemical reactions occurring in that cell.
  4. other molecules, called inhibitors, inhibit the activity of enzymes. That is, they reduce or stop the enzyme from functioning. Reducing enzyme activity also reduces the reaction rate.
  5. are the molecules formed as a result of a chemical reaction, which are produced from reactants.
  6. is the process of breaking down large molecules into smaller ones. As the bonds break, free energy is released.
Down
  1. is one that absorbs free energy from the surroundings.
  2. and key describes the active site as having a set shape
  3. is one that has a net release of free energy.
  4. are the starting molecules that undergo a chemical reaction, which are converted into products.
  5. is the process of making large molecules from smaller ones. Free energy is absorbed from the surroundings to build new chemical bonds
  6. the energy required to start any reaction

12 Clues: the energy required to start any reaction • is one that has a net release of free energy. • is one that absorbs free energy from the surroundings. • and key describes the active site as having a set shape • organic molecules such as vitamins and NAD+. Organic cofactors • is the sum of all the chemical reactions occurring in that cell. • ...

Biology chapter 2 2023-09-21

Biology chapter 2 crossword puzzle
Across
  1. - a particle of matter that uniquely defines a chemical element
  2. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
  3. a relationship between people or groups based on shared feelings, interests, or experiences
  4. the movement of a fluid from an area of higher concentration to an area of lower concentration
  5. any of the class of soluble, crystalline, typically sweet-tasting carbohydrates found in living tissues and exemplified by glucose and sucrose.
  6. a thermodynamic quantity representing the unavailability of a system's thermal energy for conversion into mechanical work, often interpreted as the degree of disorder or randomness in the system
  7. the lowest part or edge of something, especially the part on which it rests or is supported.
  8. a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction
  9. a substance that takes part in and undergoes change during a reaction.
  10. any of a class of organic compounds that are fatty acids or their derivatives and are insoluble in water but soluble in organic solvents. They include many natural oils, waxes, and steroids.
  11. acid the building blocks of proteins
  12. the strength and vitality required for sustained physical or mental activity
  13. chemical compounds that show, in water solution, a sharp taste, a corrosive action on metals, and the ability to turn certain blue vegetable dyes red
  14. a substance which slows down or prevents a particular chemical reaction or other process or which reduces the activity of a particular reactant, catalyst, or enzyme.
  15. a substance made up of only one type of atom, all with the same number of protons
  16. a thing or person that is the result of an action or process.
  17. Change the material involved in the change is structurally the same before and after the change
Down
  1. having electrical or magnetic polarity.
  2. any of a large group of organic compounds that includes sugars, starch, and cellulose, containing hydrogen and oxygen in the same ratio as water (2:1) and used as structural materials and for energy storage within living tissues.
  3. a thing that is composed of two or more separate elements; a mixture.
  4. the sticking together of particles of the same substance.
  5. a compound consisting of a nucleoside linked to a phosphate group. Nucleotides form the basic structural unit of nucleic acids such as DNA.
  6. Change a change of materials into another, new materials with different properties and one or more than one new substances are formed
  7. a substance made up of various types of particles that occupies physical space and has inertia
  8. the degree or intensity of heat present in a substance or object, especially as expressed according to a comparative scale and shown by a thermometer or perceived by touch
  9. a band of scar tissue that joins two surfaces of the body that are usually separate
  10. compound any of a large class of chemical compounds in which one or more carbon atoms are covalently bound to atoms of other elements, most commonly hydrogen, oxygen or nitrogen.
  11. a substance produced by a living organism which acts as a catalyst to bring about a specific biochemical reaction.
  12. (with reference to a solid) become or cause to become incorporated into a liquid so as to form a solution

29 Clues: acid the building blocks of proteins • having electrical or magnetic polarity. • the sticking together of particles of the same substance. • a thing or person that is the result of an action or process. • - a particle of matter that uniquely defines a chemical element • a thing that is composed of two or more separate elements; a mixture. • ...

Science Definitions 2021-08-13

Science Definitions crossword puzzle
Across
  1. -(of a reaction or process) accompanied by or requiring the absorption of heat.
  2. -(Of a reaction or process) accompanied by the release of heat.
  3. -A circumstance of fact that contributes to a result.
  4. -A measure, quantity or frequency typically one measured against another quantity of measure.
  5. -Power derived from the utilization of physical or chemical resources, especially to provide light and heat or to work machines.
  6. -The process of burning something. Or a rapid chemical combination of a substance with oxygen.
  7. reaction -A process that involves rearrangement of the molecular or ionic structure of a substance.
  8. -The relative amount of a particular substance contained with a solution or mixture or in a particular volume of space.
Down
  1. -The action of breathing.
  2. -A continuous physical force exerted on or against an object by something in contact with it.
  3. -The degree or intensity of heat present in a substance or object, especially as expressed according to a comparative scale and shown by a thermometer.
  4. transfer -Also known as energy conversion is the process of changing energy from one form to another.
  5. -A substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical damage.

13 Clues: -The action of breathing. • -A circumstance of fact that contributes to a result. • -(Of a reaction or process) accompanied by the release of heat. • -(of a reaction or process) accompanied by or requiring the absorption of heat. • -A continuous physical force exerted on or against an object by something in contact with it. • ...

Unit 4 Crossword 2021-09-29

Unit 4 Crossword crossword puzzle
Across
  1. point where liquid becomes gas
  2. a solution that contains less solute than a saturated solution
  3. how hot or cold something is
  4. mass over volume
  5. the minor compound in a solution
Down
  1. causes a chemical reaction
  2. the Aurora Borealis is a:
  3. amount of a particular substance in a solution
  4. point where solid becomes liquid
  5. a solution that cannot dissolve any more solute
  6. gas and liquids are:
  7. substance formed in a chemical reaction
  8. dissolves other substances

13 Clues: mass over volume • gas and liquids are: • the Aurora Borealis is a: • causes a chemical reaction • dissolves other substances • how hot or cold something is • point where liquid becomes gas • point where solid becomes liquid • the minor compound in a solution • substance formed in a chemical reaction • amount of a particular substance in a solution • ...

Activity 1 2022-05-07

Activity 1 crossword puzzle
Across
  1. ____ is between the number of moles of reactants consumed and the number of moles of a product generated in a chemical reaction.
  2. A greek symbol like aplha, omega, ang beta. In chemical kinetics, it means "change in".
  3. The study of chemical rates is called _____.
  4. Chemical reactions can cause a substance turn into a new substance. This change is known as ____.
  5. _____must be balanced to reflect the law of conservation of matter.
Down
  1. A ____ is a process of reactants being converted to products.
  2. The substances that go into a chemical reaction are known as the _____.
  3. The substances produced at the end of the reaction are known as the _____.
  4. _____ refers to anything that occupies space and has mass.
  5. _____ is a change in concentration over a time period.

10 Clues: The study of chemical rates is called _____. • _____ is a change in concentration over a time period. • _____ refers to anything that occupies space and has mass. • A ____ is a process of reactants being converted to products. • _____must be balanced to reflect the law of conservation of matter. • ...

Keyword crossword - Chemistry 2023-10-06

Keyword crossword - Chemistry crossword puzzle
Across
  1. the number (6.02 × 1023)
  2. compounds formed between an element and a halogen, e.g. sodium iodide
  3. a white solid known chemically as calcium oxide
  4. a substance that dissolves in water, producing H+(aq) ions
  5. the process of forming crystals from a saturated solution
  6. a method of rust protection by attachment of blocks of a metal
  7. protein molecules that act as biological catalysts
  8. if two liquids form a completely uniform mixture when added together
  9. a black, solid fossil fuel formed underground
  10. the major ore of iron, iron(III) oxide
  11. an uncharged subatomic particle present in the nuclei of atoms
  12. the electrode in any type of cell at which oxidation
  13. fertilisers to provide the elements nitrogen, phosphorus and potassium
  14. a formula for a compound which shows the simplest ratio of atoms present
  15. term that describes a liquid that evaporates easily;
  16. mixtures of elements (usually metals)
  17. expresses the relationship between the mass of a substance and the volume it occupies:
  18. the energy required to break a particular type of covalent bond
  19. the change of a vapour or a gas into a liquid;
  20. the industrial manufacture of sulfuric acid using the raw materials sulfur and air
  21. the chemical process by which plants synthesise glucose from atmospheric carbon dioxide and water
  22. a word to describe a metallic substance that rings like a bell when hit with a hammer
Down
  1. an acid–base indicator that is colourless in acidic solutions and blue in alkaline solutions
  2. the ability to conduct heat
  3. term that describes substances that do not produce a chemical reaction
  4. a substance added to the soil to replace essential elements lost when crops are harvested,
  5. the minimum energy required to start a chemical reaction
  6. the protection of iron and steel objects by coating with a layer of zinc
  7. sodium aluminium fluoride
  8. a substance which changes colour when added to acidic or alkaline solutions,
  9. a molten mixture of impurities, mainly calcium silicate, formed in the blast furnace
  10. the separation of a solid from a liquid
  11. the number of the vertical column that an element is in on the Periodic Table
  12. an alloy of copper and zinc
  13. the direct change of state from solid to gas or gas to solid: the liquid phase is bypassed
  14. a substance that increases the rate of a chemical reaction
  15. oxide of a metal that will react with acids to neutralise the acid
  16. an insoluble salt formed during a precipitation reaction
  17. an acid–base indicator that is red in acidic and yellow in alkaline solutions
  18. ionic equations showing the reactions at the anode and cathode in an electrolytic cell
  19. elements in Group VIII
  20. a process or chemical reaction in which heat energy is produced
  21. element which shows some of the properties of metals and some of non-metals,
  22. a substance which oxidises another substance during a redox reaction
  23. the central region of an atom
  24. a corrosive substance (e.g. an acid) is one that can dissolve or ‘eat away’ at other materials
  25. scale: a scale running from below 0 to 14
  26. a loose, orange–brown, flaky layer of hydrated iron(III) oxide
  27. anything that occupies space and has mass
  28. a chemical reaction in which water is removed from a compound
  29. an adjective to describe a substance without water combined with it

51 Clues: elements in Group VIII • the number (6.02 × 1023) • sodium aluminium fluoride • the ability to conduct heat • an alloy of copper and zinc • the central region of an atom • mixtures of elements (usually metals) • the major ore of iron, iron(III) oxide • the separation of a solid from a liquid • scale: a scale running from below 0 to 14 • anything that occupies space and has mass • ...

Honors Biology Chapter 2: Chemistry of Life - Vocabulary 2016-09-06

Honors Biology Chapter 2: Chemistry of Life - Vocabulary crossword puzzle
Across
  1. simplest particle of an element that retains all the properties of that element
  2. atom or molecule with an electrical charge
  3. attractive force between a hydrogen molecule with a with a partial positive charge and another atom or molecule with a partial or full negative charge
  4. protein or RNA molecule that speeds up metabolic reactions without being permanently changed or destroyed
  5. center of the atom, makes up most of the mass, contains protons and neutrons
  6. positively charged particle
  7. substances formed during a chemical reaction, shown on the right side of a chemical equation
  8. the amount of solute dissolved in a fixed amount of solvent
  9. reduce the amount of activation energy needed for a reaction to take place
  10. compares the relative concentrations of hydronium ions and hydroxide ions in a solution, ranges from 0-14, 0 is very acidic, 7 is neutral, & 14 is very basic
  11. 3-dimensional region around a nucleus that indicated the probable location of an electron
  12. all of the chemical reactions that occur in an organism
  13. solution that has a greater number of hydronium ions than hydroxide ions
  14. solution in which water is the solvent
  15. starting substances in a chemical reaction, shown on the left side of a chemical equation
  16. reaction in which a reactant gains one or more electrons becoming more negative in charge
  17. one or more substances change to produce one or more different substances
  18. negatively charged particle
  19. reaction in which a reactant loses one or more electrons becoming more positive in charge
  20. substances that cannot be broken down chemically into simpler kinds of matter
  21. mixture in which one or more substances are uniformly distributed in another substance
  22. the H3O+ ion created when a free H+ ion reacts with a water molecule
  23. attractive force between two particles of different substances
  24. atoms of 2 or more elements that are combined in fixed proportions
  25. solution that has a greater number of hydroxide ions than hydronium ions
  26. particle that has no charge
  27. chemical substances that neutralize small amounts of either an acid or a base added to a solution
Down
  1. forms when 2 atoms share one or more pairs of electrons
  2. number of protons in an atom
  3. atoms of the same element that have a different number of neutrons
  4. the OH- ion created when one water molecule pulls apart another water molecule
  5. anything that occupies space and has mass
  6. reaction in which electrons are transferred between atoms
  7. amount of energy needed to start a reaction
  8. the quantity of matter an object has
  9. attractive force that holds atoms together
  10. solution in which no more solute can dissolve
  11. substance in which the solute is dissolved
  12. equal to the total number of protons and neutrons of an atom
  13. simplest part of a substance that retains all of the properties of that substance
  14. attraction between molecules that results in the rise of the surface of a liquid when in contact with a solid
  15. substance dissolved in the solvent
  16. attractive force between oppositely charged ions which form when electrons are transferred from one atom to another
  17. attractive force that holds molecules of a single substance together
  18. molecule with unevenly distributed charges
  19. the ability to do work

46 Clues: the ability to do work • positively charged particle • negatively charged particle • particle that has no charge • number of protons in an atom • substance dissolved in the solvent • the quantity of matter an object has • solution in which water is the solvent • anything that occupies space and has mass • atom or molecule with an electrical charge • ...

BIOCHEMISTRY 2015-02-01

BIOCHEMISTRY crossword puzzle
Across
  1. A sugar (carbohydrate) composed of two monosaccharides, thus yields two monosaccharide molecules on complete hydrolysis
  2. A simple sugar, example: fructose, glucose, and ribose.
  3. The passive movement of molecules or particles along a concentration gradient, or from regions of higher to regions of lower concentration
  4. A lipid consisting of a glycerol bound to two fatty acids and a phosphate group
  5. The basic building block of nucleic acids, It is an organic compound made up of nitrogenous base, a sugar, and a phosphate group
  6. They are chemical compounds which yield hydrogen ions or protons when dissolved in water
  7. Any of the group of organic compounds consisting of carbon, hydrogen, and oxygen, usually in the ratio of 1:2:1
  8. The presence of or having distinct and opposite poles
  9. A liquid in which substances (or solutes) are dissolved forming a solution
  10. ACID The building block of protein in which each is coded for by a codon and linked together through peptide bonds
  11. Describes a chemical reaction that absorbs energy (usually in the form of heat)
  12. A type of homogenous mixture in which the particles of one or more substances (the solute) are distributed uniformly throughout another substance (the solvent)
  13. ENERGY The energy that an atomic system must acquire before a process (can occur
  14. A fatty or waxy organic compound that is readily soluble in nonpolar solvent (e.g. ether) but not in polar solvent (e.g water)
  15. the act or state of adhering; state of being adhered or united
  16. A double-stranded nucleic acid that contains the genetic information for cell growth, division, and function
Down
  1. A type of RNA that carries the code or chemical blueprint for a specific protein
  2. A large complex molecule, such as nucleic acids, proteins, carbohydrates, and lipids, with relatively large molecular weight
  3. molecules that catalyze (i.e., increase the rates of) chemical reactions
  4. Any of a class of carbohydrates formed by repeating units linked together by glycosidic bonds
  5. An extremely small particle or substance, especially at cellular or structural leve
  6. a chemical substance formed as a result of a chemical reaction
  7. An energy-rich compound made up of a single molecule of glycerol and three molecules of fatty acid, and serves as a major component of animal and plant oils and fats
  8. it is a measure to determine the acidity or alkalinity of a solution or a substance
  9. The act, state or process of sticking together
  10. A substance capable of initiating or speeding up a chemical reaction
  11. A substance consisting of atoms or ions of two or more elements that are chemically bonded together
  12. describes a chemical reaction that releases energy (usually in the form of heat)
  13. A substance taking part in a chemical reaction
  14. ACID Any of the group of a long chain of hydrocarbon derived from the breakdown of fats (through a process called hydrolysis). It has a single carboxylic group andaliphatic tail.
  15. (usually water molecules) through a semipermeable membrane from an area of low solute concentration to an area of high solute concentration.
  16. ACID Any of the group of complex compounds consisting of linear chains of monomeric nucleotides whereby each monomeric unit is composed of phosphoric acid, sugar and nitrogenous base,
  17. water-soluble compound that reacts with acid
  18. group of synthetic hormones including prednisone, prednisolone, methylprednisolone and dexamethasone
  19. A molecule composed of polymers of amino acids joined together by peptide bonds. It can be distinguished from fats and carbohydrates by containing nitrogen.

35 Clues: water-soluble compound that reacts with acid • The act, state or process of sticking together • A substance taking part in a chemical reaction • The presence of or having distinct and opposite poles • A simple sugar, example: fructose, glucose, and ribose. • a chemical substance formed as a result of a chemical reaction • ...

Equilibrium Vocabulary 2021-04-28

Equilibrium Vocabulary crossword puzzle
Across
  1. A substance that forms in a chemical reaction
  2. The process by which one or more substances change to produce one or more different substances
  3. A substance or molecule that participates in a chemical reaction
Down
  1. States that when a system experiences a disturbance, it will respond to restore a new equilibrium state
  2. The rate of a forward reaction equals the rate of its reverse reaction and the concentrations of its products and reactants remain unchanged
  3. A chemical reaction in which the products can react to re-form the reactants
  4. The amount of a particular substance in a given quantity of a mixture
  5. The rate at which a chemical reaction takes place

8 Clues: A substance that forms in a chemical reaction • The rate at which a chemical reaction takes place • A substance or molecule that participates in a chemical reaction • The amount of a particular substance in a given quantity of a mixture • A chemical reaction in which the products can react to re-form the reactants • ...

MY CROSSWORD >:( 2021-12-02

MY CROSSWORD >:( crossword puzzle
Across
  1. a chemical that donates a hydrogen
  2. AB + CD → AD + CB
  3. a chemical that accepts a hydrogen
  4. A + BC → AC + B
Down
  1. Increasing the concentration of one substance favors the reaction that produces less of that substance
  2. A + B → AB
  3. Increasing temperature favors the reaction that absorbs energy.
  4. AB → A + B
  5. AB + oxygen → oxides of A & B +
  6. Increasing pressure favors the reaction that produces less gas.

10 Clues: A + B → AB • AB → A + B • A + BC → AC + B • AB + CD → AD + CB • AB + oxygen → oxides of A & B + • a chemical that donates a hydrogen • a chemical that accepts a hydrogen • Increasing temperature favors the reaction that absorbs energy. • Increasing pressure favors the reaction that produces less gas. • ...

Photosynthesis 2024-05-02

Photosynthesis crossword puzzle
Across
  1. CO2
  2. The process a plant makes to get energy
  3. is a substance that changes in a chemical reaction
  4. What gives a leaf its color
  5. light produced by the sun
Down
  1. When 1 or more substances in changed
  2. a substance that is present at the end of a chemical reaction
  3. reaction When nothing is changed at the atomic level
  4. An organelle that makes photosynthesis happen
  5. H2O

10 Clues: CO2 • H2O • light produced by the sun • What gives a leaf its color • When 1 or more substances in changed • The process a plant makes to get energy • An organelle that makes photosynthesis happen • is a substance that changes in a chemical reaction • reaction When nothing is changed at the atomic level • a substance that is present at the end of a chemical reaction

Properties and Changes of Matter 2024-10-07

Properties and Changes of Matter crossword puzzle
Across
  1. chemical reactions where more energy is required to break the bonds of the reactants than is released when products form
  2. a change in matter in which the substances that make up that matter change into substances with different chemical and physical properties
  3. the ability of a type of matter to burn easily
  4. ability of one material to dissolve in another material
  5. occurs when atoms of one or more substances rearrange to form one or more new substances
  6. the mass of a substance divided by the volume of the substance
Down
  1. the ability to conduct electricity or thermal energy
  2. the reaction of a substance with an oxidizing agent, changing it into a new substance.
  3. a characteristic of matter that can be observed as it changes to a different type of matter
  4. when a substance reacts with another substance, changing it into a new substance
  5. more energy is released when the products form than is required to break the bonds in the reactants
  6. the amount of matter in an object
  7. any characteristics of matter that you can observe without changing the identity of the substances that make it up
  8. the amount of space a substance takes up.
  9. substances that are produced by the chemical reaction
  10. are the starting substances in a chemical reaction

16 Clues: the amount of matter in an object • the amount of space a substance takes up. • the ability of a type of matter to burn easily • are the starting substances in a chemical reaction • the ability to conduct electricity or thermal energy • substances that are produced by the chemical reaction • ability of one material to dissolve in another material • ...

Mechanism 2024-10-14

Mechanism crossword puzzle
Across
  1. Stated that the alkene which has least alkyl substituents will predominate. (Hoffman)
  2. A mechanism involving a species that donates an electron pair.(Nucleophilic)
  3. A reaction mechanism where a small molecule is removed, forming a double bond. (Elimination)
  4. a theoretical conjecture that tries to describe in detail what takes place at each stage of an overall chemical reaction.(Mechanism)
  5. A type of nucleophilic substitution mechanism that is bimolecular. (SN2)
  6. a reaction in which the functional group of one chemical compound is substituted by another group(Substitution)
Down
  1. A reaction gives a structural isomer of the original molecule. (Rearrangement)
  2. Reaction where molecule losses oxygen or gain one or more electron. (Reduction )
  3. A mechanism where two reactants combine to form a larger molecule (Addition)
  4. A reaction where an increase in oxidation state occurs. (Oxidation)
  5. Said that the predominate alkene would be the one with most alkyl substituents.(Saytzeff )
  6. A type of nucleophilic substitution mechanism that is unimolecular. (SN1)

12 Clues: A reaction where an increase in oxidation state occurs. (Oxidation) • A type of nucleophilic substitution mechanism that is bimolecular. (SN2) • A type of nucleophilic substitution mechanism that is unimolecular. (SN1) • A mechanism where two reactants combine to form a larger molecule (Addition) • ...

kayley - chemistry 2019-10-18

kayley - chemistry crossword puzzle
Across
  1. the basic unit of a chemical element
  2. a thing that is composed of two or more separate elements
  3. characteristic of a substance that may be observed when it participates in a chemical reaction
  4. having assets in excess of liabilities; able to pay one's debts
  5. cloudy
  6. undergoes changes during a reaction
  7. an article or substance that is manufactured or refined for sale
  8. Russian chemist who developed a periodic table of the chemical elements and predicted the discovery of several new elements
Down
  1. a part or aspect of something abstract, especially one that is essential or characteristic
  2. the mass of an atom of a chemical element expressed in atomic mass units
  3. same
  4. final product
  5. different
  6. things you can observe
  7. a gesture of respect, homage, or polite recognition or acknowledgment, especially one made to or by a person when arriving or departing

15 Clues: same • cloudy • different • final product • things you can observe • undergoes changes during a reaction • the basic unit of a chemical element • a thing that is composed of two or more separate elements • having assets in excess of liabilities; able to pay one's debts • an article or substance that is manufactured or refined for sale • ...

Skibidi toilet gyatt from TikTok rizz party in Ohio makes the sigma alpha come out from red dress girl with Turkish quandale dingle mogs handsome Squidward from lookmaxxing university 2024-05-16

Skibidi toilet gyatt from TikTok rizz party in Ohio makes the sigma alpha come out from red dress girl with Turkish quandale dingle mogs handsome Squidward from lookmaxxing university crossword puzzle
Across
  1. a substance that is added to soil to help plants grow
  2. a usually miniature representation of something
  3. the temperature at which it starts to change into steam or vapor
  4. a group of atoms joined together in a particular way
  5. the relative size of things
  6. a particle of matter that uniquely defines a chemical element
  7. a starting substance that is part of a chemical reaction
  8. formed when atoms, ions, or molecules are arranged in a pattern that repeats in three dimensions
Down
  1. the temperature at which is given solid will melt
  2. a set of chemical symbols showing the elements present in a compound and their relative porportions
  3. able to cause damage
  4. something that is made of all the same atoms or groups
  5. the change of one type of matter into another type
  6. an ending substance that is part of a chemical reaction
  7. to change the order or position

15 Clues: able to cause damage • the relative size of things • to change the order or position • a usually miniature representation of something • the temperature at which is given solid will melt • the change of one type of matter into another type • a group of atoms joined together in a particular way • a substance that is added to soil to help plants grow • ...

Chapter 2 2019-01-17

Chapter 2 crossword puzzle
Across
  1. a solution that resists changes in pH when acid or alkali is added to it.
  2. (atomic __)letters that represent an element
  3. (protein)spheroproteins
  4. Basic unit of a chemical element.
  5. Composed of 2 or more elements.
  6. amino acid
  7. an atom or molecule with a net electric charge due to the loss or gain of one or more electrons.
  8. electrical charge
  9. the emission of ionizing radiation or particles caused by the spontaneous disintegration of atomic nuclei.
  10. a carbohydrate whose molecules consist of a number of sugar molecules bonded together.
  11. particle with a negative charge
  12. created in 1869
  13. chemical reaction in which an acid and a base react quantitatively with each other.
  14. the outermost shell of an atom containing the valence electrons.
  15. Adenosine triphosphate
  16. Energy form directly involved in putting the matter into motion.
  17. a substance produced by a living organism which acts as a catalyst to bring about a specific biochemical reaction.
  18. any of a class of sugars whose molecules contain two monosaccharide residues.
  19. fibrous proteins
  20. particle with a neutral charge
  21. each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei
  22. Carbon-containing compound.
  23. a weak bond between two molecules resulting from an electrostatic attraction between a proton in one molecule and an electronegative atom in the other.
  24. Positive subatomic particle.
Down
  1. (protein) antibodies is an example of this
  2. one of a class of substances that cannot be separated into simpler substances by chemical means.
  3. Lack of carbon; compound.
  4. include wax and oil; fatty acid
  5. single sugar
  6. (model) also known as Bohr’s atomic model
  7. a radioactive isotope.
  8. deoxyribonucleic acid
  9. anything that has mass and takes up space
  10. the ionized or ionizable constituents of a living cell, blood, or other organic matter.
  11. a bond involving the sharing of electrons netween atoms
  12. A bond that forms when electrons are transferred from one atom to another.
  13. a measure of the hydorgen ion concentration of a solution
  14. A reaction where 2 or more molecules or atoms combine to form a larger and more complex molecule.
  15. form the basic structural unit of nucleic acids
  16. a substance that accepts hydrogen ions
  17. organic compound composed of carbon, hydrogen, and oxygen; includes starches, sugars, and glucose.
  18. a substance that liberates hydrogen ions when in an aqueous solution.
  19. a region on an enzyme that binds to a protein or other substance during a reaction.
  20. energy that travels by waves or particles
  21. A reaction where bonds are broken.
  22. a group of atoms bonded together
  23. (reaction)process in which molecules are formed, changed, or broken down.
  24. (atomic __) A number equal to the sum of all the neutrons and the protons in an atom's nucleus.
  25. A reaction where bonds are broken and combined.
  26. another term would be inert energy
  27. (atomic __)atomic mass
  28. a change from one state (solid or liquid or gas) to another without a change in chemical composition
  29. ribonucleic acid
  30. the energy of a body or a system with respect to the motion of the body or of the particles in the system.
  31. (atomic __) the number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table.

55 Clues: amino acid • single sugar • created in 1869 • fibrous proteins • ribonucleic acid • electrical charge • deoxyribonucleic acid • a radioactive isotope. • Adenosine triphosphate • (atomic __)atomic mass • (protein)spheroproteins • Lack of carbon; compound. • Carbon-containing compound. • Positive subatomic particle. • particle with a neutral charge • include wax and oil; fatty acid • ...

Crossword - Science Chapter 5-6 2021-11-25

Crossword - Science Chapter 5-6 crossword puzzle
Across
  1. Properties of matter than can only be seen during a chemical reaction
  2. Generally have a high density
  3. Generally a gas at room temperature
  4. Is sometimes malleable and ductile
  5. A substance made up of one type of particle that can not be further simplified
  6. the change in state from gas to liquid
  7. The change in state from solid to gas
  8. The rapid reaction with oxygen that results in lots of energy
  9. Has a fixed volume and shape
Down
  1. A type of mixture that is not evenly combined
  2. The number of protons in an atom
  3. The slow reaction of metals with oxygen that forms metal oxides
  4. Mass/Volume
  5. The amount of protons and neutrons in total
  6. Has a fixed volume but no fixed shape

15 Clues: Mass/Volume • Has a fixed volume and shape • Generally have a high density • The number of protons in an atom • Is sometimes malleable and ductile • Generally a gas at room temperature • The change in state from solid to gas • Has a fixed volume but no fixed shape • the change in state from gas to liquid • The amount of protons and neutrons in total • ...

Biochem Review 2024-10-06

Biochem Review crossword puzzle
Across
  1. This element is often referred to as the backbone of life
  2. This macromolecule has four structural levels and is made up of amino acids
  3. a polymer of amino acids
  4. The polymer of this macromolecule are polysaccharides
  5. elements contained in nucleic acids
  6. Chemical reaction which breaks down larger molecules into smaller molecules with addition to water
  7. Triglycerides are composed of fatty acids and . . .
  8. reactant of an enzyme reaction
  9. Glucose and fructose are examples of this monomer
  10. This type of fat has a kinked tail and is liquid at room temperature
Down
  1. structure consists of a nitrogenous base, sugar, and a phosphate group
  2. Catalyzes a chemical reaction
  3. The structural component of cell membranes
  4. Another factor aside from pH and substrate concentration that denatures an enzyme
  5. Elements of carbohydrates

15 Clues: a polymer of amino acids • Elements of carbohydrates • Catalyzes a chemical reaction • reactant of an enzyme reaction • elements contained in nucleic acids • The structural component of cell membranes • Glucose and fructose are examples of this monomer • Triglycerides are composed of fatty acids and . . . • The polymer of this macromolecule are polysaccharides • ...

Enzymes 4.1.3 2024-02-07

Enzymes 4.1.3 crossword puzzle
Across
  1. The most important factor in determining specificity.
  2. A reaction that BUILDS the substrate.
  3. __________ can change the shape of an enzyme.
  4. What are enzymes made out of?
  5. An _______ pH or temperature is the pH or temperature that the enzyme performs best at.
  6. Three letters that MANY enzymes end with.
  7. The catalyst _________ the rate of the reaction.
  8. Since enzymes are made of proteins, they are technically made of ______.
  9. Protein molecules that act as biological catalysts.
  10. Enzymes are _______.
  11. A molecule that is able to bind to the enzyme and block the substrate.
  12. A reaction that BREAKS the substrate.
  13. The name of a hypothesis that helps explain enzyme function.
  14. The biological molecule that the enzyme will work on.
Down
  1. Pancreatic amylase breaks down _____.
  2. What the substrate becomes after the enzyme lets go.
  3. An enzyme can become ________ if it is exposed to extreme highs or lows of temperature or acidity.
  4. The act of taking away water in order to bind molecules.
  5. The act of adding water in order to break apart molecules.
  6. The type of activities enzymes activate.
  7. Asenzyme _________ increases, the rate of reaction increases then plateaus.
  8. The percentage of hydrogen ions in a solution.
  9. The substrate has to ____ the active site in order to form a bond.
  10. A substance that increases the rate of a chemical reaction.
  11. A specifically shaped area of the enzyme that fits around the substrate.

25 Clues: Enzymes are _______. • What are enzymes made out of? • Pancreatic amylase breaks down _____. • A reaction that BUILDS the substrate. • A reaction that BREAKS the substrate. • The type of activities enzymes activate. • Three letters that MANY enzymes end with. • __________ can change the shape of an enzyme. • The percentage of hydrogen ions in a solution. • ...

8.P.1 Chemistry 2021-05-20

8.P.1 Chemistry crossword puzzle
Across
  1. a positive subatomic particle found in the nucleus of an atom
  2. matter made up of two or more substances that are not joined chemically
  3. a group of chemical symbols and numbers that shows the number of atoms of each element in a molecule
  4. pH of less than 7
  5. new substances formed in a chemical reaction and that they are located on the right side of the arrow in a chemical equation
  6. the ease and speed with which an element combines, or reacts, with other elements and compounds
  7. a characteristic of a substance that cannot be observed without changing the identity of the substance
  8. a change in substance that does not change the chemical makeup of the substance
  9. a pure substance that cannot be broken down into other substances by chemical or physical means
  10. a system in which no matter is allowed to enter or leave
  11. an element that conducts heat and electricity well, is shiny, and can be hammered into sheets or drawn into wires
  12. substances broken apart or combined in a chemical reaction and they are located on the left side of the arrow in a chemical equation
  13. a description of a chemical reaction using chemical formulas, subscripts and coefficients
  14. a mixture in which substances are evenly distributed
  15. the ability of an object to transfer heat or electricity to another object
  16. the basic building block of most of the matter around us
  17. elements in the same vertical column of the periodic table
  18. an element that does not conduct heat or electricity well and is dull and brittle or gaseous
  19. 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 the reaction
Down
  1. the number of protons in the nucleus of an atom
  2. a chart of elements showing the repeating pattern of their properties
  3. a term used to describe a material that can be pulled out into a long wire
  4. a pure substance that forms when two or more elements join chemically in a fixed proportion
  5. a term used to describe a material that can be pounded into shapes
  6. scale used to classify solutions
  7. a solid substance formed when two solutions are chemically combined
  8. the average mass of all the isotopes of an element
  9. pH of more than 7
  10. a system in which matter can enter from or escape to the surroundings
  11. result in the formation of one or more new substances with new chemical and physical properties
  12. a mixture in which substances are not distributed evenly
  13. a characteristic of a substance that can be observed directly or measured with a tool without changing the identity of the substance
  14. a subatomic particle with no charge and is found in the nucleus of the atom
  15. a specific number of atoms of the element found in each molecule of a substance
  16. elements that has some properties of both metals and nonmetals
  17. the number of electrons found in the outer shell
  18. a group of two or more atoms held together by chemical bonds
  19. a negatively charged subatomic particle found outside the nucleus of an atom

38 Clues: pH of less than 7 • pH of more than 7 • scale used to classify solutions • the number of protons in the nucleus of an atom • the number of electrons found in the outer shell • the average mass of all the isotopes of an element • a mixture in which substances are evenly distributed • a mixture in which substances are not distributed evenly • ...

Types Of Reaction 2024-05-09

Types Of Reaction crossword puzzle
Across
  1. Reaction in which a single reactant breaks down to form simpler products.
  2. Double displacement reaction in which an insoluble solid that is insoluble in water, emerges from a liquid solution.
  3. Decomposition reaction in which decomposition occurs by applying electricity.
  4. Substance that speeds up a chemical reaction.
  5. Decomposition reaction in which decomposition is carried out by heating.
  6. Formation of a single product from two or more reactants.
  7. Decomposition reaction in which decomposition occurs in the presence of sunlight/light.
Down
  1. Reaction in which heat energy is released along with formation of products.
  2. Reaction in which heat energy is absorbed along with formation of products.
  3. When fats and oils are oxidized causing a change in smell and change.
  4. Reaction in which a highly reactive metal displaces a less reactive metal from its salt solution.
  5. Reaction in which an acid and a base react to form water and salt.
  6. Reaction in which both oxidation and reduction takes place simultaneously.
  7. Reaction in which a substance loses oxygen during a reaction or if it gains hydrogen.
  8. Gradual destruction of a metal when exposed to oxygen, moisture, gases in the atmosphere.

15 Clues: Substance that speeds up a chemical reaction. • Formation of a single product from two or more reactants. • Reaction in which an acid and a base react to form water and salt. • When fats and oils are oxidized causing a change in smell and change. • Decomposition reaction in which decomposition is carried out by heating. • ...

Chemistry Unit 6 vocab 2016-04-18

Chemistry Unit 6 vocab crossword puzzle
Across
  1. insoluble solid that form from two liquids
  2. charge of an atomic ion
  3. lose electrons
  4. an element from both compounds switch places
  5. 1 substance break into two products
  6. hydrocarbon reacts with oxygen and products are always water and carbon dioxide
Down
  1. tendency of a substance to experience a chemical reaction either by itself or with other materials
  2. a single element replace the element of the other
  3. gain electrons
  4. 2 substances combine into 1 product
  5. a chemical reaction that has one of the products as a precipitate
  6. reaction between an acid and a base producing a neutral solution
  7. a decreasing list of metals that ranked reactivity
  8. ability of a substance (solute) to dissolve in a solvent
  9. ionic equation an equation that only include the ions that react

15 Clues: gain electrons • lose electrons • charge of an atomic ion • 2 substances combine into 1 product • 1 substance break into two products • insoluble solid that form from two liquids • an element from both compounds switch places • a single element replace the element of the other • a decreasing list of metals that ranked reactivity • ...

Chapter 7 vocabulary 2021-12-06

Chapter 7 vocabulary crossword puzzle
Across
  1. its absorbs the heat energy.
  2. is the amount of substance in the volume
  3. thinsg that form as a reslut of the reaction accures
  4. a process that makes chemical change
  5. its absorbs the heat of the energy.
Down
  1. it lets chemists know at a glace the reactants
  2. its the amount of the energy in something
  3. Things that are there before the reaction begins
  4. its lets you know how fast a reaction is after it started
  5. things that slow down a chemical reaction

10 Clues: its absorbs the heat energy. • its absorbs the heat of the energy. • a process that makes chemical change • is the amount of substance in the volume • its the amount of the energy in something • things that slow down a chemical reaction • it lets chemists know at a glace the reactants • Things that are there before the reaction begins • ...

Chem. Menu 6 Crossword puzzle 2024-01-31

Chem. Menu 6 Crossword puzzle crossword puzzle
Across
  1. delta H equals one mole of a compound
  2. the sum of the delta H of the individual reaction
  3. Form Kinetic energy related to random motion of particles
  4. the substance undergoing chemical or physical change
  5. process that releases heat energy to the surroundings
  6. Amount of heat required to raise temperature of a substance
  7. The capacity to do work or transfer heat
  8. the process of measuring the amount of heat released or absorbed during a chemical reaction
  9. lots of movement "hot"
Down
  1. insulated device used for measuring heat changes in chemical and physical process
  2. picture or words to describe something
  3. Everything outside the system
  4. process that absorbs heat energy from the surroundings
  5. less movement "cold"
  6. quantitative measurements of "hot" or "cold"
  7. used to describe the amount of something
  8. Energy in and physical changes in terms of the flow and measurement of the energy
  9. a thermodynamic quantity equivalent to the total heat content of a system
  10. transfer of energy

19 Clues: transfer of energy • less movement "cold" • lots of movement "hot" • Everything outside the system • delta H equals one mole of a compound • picture or words to describe something • used to describe the amount of something • The capacity to do work or transfer heat • quantitative measurements of "hot" or "cold" • the sum of the delta H of the individual reaction • ...

Matter and Chemical Change Sections 1 and 2 2023-01-14

Matter and Chemical Change Sections 1 and 2 crossword puzzle
Across
  1. Tells the number of protons and electrons of the element.
  2. Okay conductors, brittle solids.
  3. Weight of an element. Protons + Neutrons = the answer
  4. Most reactive metals.
  5. Philosopher who believed all matter is composed of air, fire, earth, and water.
  6. Pure substance. Made of 2+ elements
  7. Don't react with anything.
  8. Philisopher who believed matter was composed of tiny, indivisible particles he called atomos.
  9. Mixture. You can see the different parts.
Down
  1. Electrons in the outermost energy level that is not full.
  2. Pure substance. Made of 1 type of atom
  3. Energy is realeased/absorbed and a new substance is formed.
  4. Electrons orbit the nuculues in specific levels.
  5. Properties that are only seen after a chemical reaction - ability to burn, behaviour in air, flash point, reaction to heat, reaction to water, reaction to acids, and reaction to red and blue litmus.
  6. Created the Plum Pudding Model. Said that atoms have one large positive chage and negative charges embedded in it.
  7. Mixture. You can't see the different parts.
  8. Properties that are observable - ductility, malleability, state, solubility, magnetism, boil/melt point, crystal formation, colour, and conductivity.
  9. Second most reactive metals.
  10. Good conductors, shiny, malleable, and ductile.
  11. Most reactive non-metals.
  12. All elements are composed of atoms. Created the Billiard Ball Model.
  13. Bad conductors, dull, brittle.
  14. Eletrons orbit an extremely dense core.
  15. Atoms of the same element with different numbers of neutrons.

24 Clues: Most reactive metals. • Most reactive non-metals. • Don't react with anything. • Second most reactive metals. • Bad conductors, dull, brittle. • Okay conductors, brittle solids. • Pure substance. Made of 2+ elements • Pure substance. Made of 1 type of atom • Eletrons orbit an extremely dense core. • Mixture. You can see the different parts. • ...

Balancing Equations Vocab 2021-01-14

Balancing Equations Vocab crossword puzzle
Across
  1. The symbolic representation of a chemical reaction in the form of symbols
  2. States that mass in an isolated system is neither created nor destroyed by chemical reactions or physical transformations
  3. To make or produce
  4. When things aren't equal
Down
  1. The number located slightly below and to the side of another character in chemical formulas
  2. A substance that is present at the start of a chemical reaction
  3. To be equal
  4. The substance formed as a result of a chemical reaction
  5. The number in front of the formula, which tells us how many molecules of the formula are present

9 Clues: To be equal • To make or produce • When things aren't equal • The substance formed as a result of a chemical reaction • A substance that is present at the start of a chemical reaction • The symbolic representation of a chemical reaction in the form of symbols • The number located slightly below and to the side of another character in chemical formulas • ...

Chapter 7 vocabulary 2021-12-06

Chapter 7 vocabulary crossword puzzle
Across
  1. its absorbs the heat energy.
  2. is the amount of substance in the volume
  3. thinsg that form as a reslut of the reaction accures
  4. a process that makes chemical change
  5. its absorbs the heat of the energy.
Down
  1. it lets chemists know at a glace the reactants
  2. its the amount of the energy in something
  3. Things that are there before the reaction begins
  4. its lets you know how fast a reaction is after it started
  5. things that slow down a chemical reaction

10 Clues: its absorbs the heat energy. • its absorbs the heat of the energy. • a process that makes chemical change • is the amount of substance in the volume • its the amount of the energy in something • things that slow down a chemical reaction • it lets chemists know at a glace the reactants • Things that are there before the reaction begins • ...

Chapter 7 vocabulary 2021-12-06

Chapter 7 vocabulary crossword puzzle
Across
  1. its absorbs the heat energy.
  2. is the amount of substance in the volume
  3. thinsg that form as a reslut of the reaction accures
  4. a process that makes chemical change
  5. its absorbs the heat of the energy.
Down
  1. it lets chemists know at a glace the reactants
  2. its the amount of the energy in something
  3. Things that are there before the reaction begins
  4. its lets you know how fast a reaction is after it started
  5. things that slow down a chemical reaction

10 Clues: its absorbs the heat energy. • its absorbs the heat of the energy. • a process that makes chemical change • is the amount of substance in the volume • its the amount of the energy in something • things that slow down a chemical reaction • it lets chemists know at a glace the reactants • Things that are there before the reaction begins • ...

Chapter 7 vocabulary 2021-12-06

Chapter 7 vocabulary crossword puzzle
Across
  1. its absorbs the heat energy.
  2. is the amount of substance in the volume
  3. thinsg that form as a reslut of the reaction accures
  4. a process that makes chemical change
  5. its absorbs the heat of the energy.
Down
  1. it lets chemists know at a glace the reactants
  2. its the amount of the energy in something
  3. Things that are there before the reaction begins
  4. its lets you know how fast a reaction is after it started
  5. things that slow down a chemical reaction

10 Clues: its absorbs the heat energy. • its absorbs the heat of the energy. • a process that makes chemical change • is the amount of substance in the volume • its the amount of the energy in something • things that slow down a chemical reaction • it lets chemists know at a glace the reactants • Things that are there before the reaction begins • ...

Chemistry Terms 2024-01-04

Chemistry Terms crossword puzzle
Across
  1. A substance that undergoes a change during the reaction.
  2. that elements or compounds undergo to form a new substance.
  3. Smell
  4. A representation of a chemical reaction using symbols to represent elements in the reaction.
  5. An observable and measurable physical characteristic.
Down
  1. The temperature where a solid turns to a liquid.
  2. Substance's ability to be dissolved into another substance.
  3. Substances produced from a chemical reaction
  4. The temperature where a liquid changes to a gas.
  5. Mass cannot be created or destroyed within a closed system.

10 Clues: Smell • Substances produced from a chemical reaction • The temperature where a solid turns to a liquid. • The temperature where a liquid changes to a gas. • An observable and measurable physical characteristic. • A substance that undergoes a change during the reaction. • that elements or compounds undergo to form a new substance. • ...

Midterm Review 6 2025-12-02

Midterm Review 6 crossword puzzle
Across
  1. Light-independent reactions that fix carbon into sugars
  2. Measure of hydrogen ion concentration (abbr.)
  3. Pathways that break down molecules and release energy
  4. Substance that increases hydrogen ion concentration in solution
  5. Process converting light energy into chemical energy and producing oxygen
  6. Solution that minimizes changes in pH
Down
  1. Energy‑absorbing chemical reaction
  2. Tool used to accurately measure and transfer microliter volumes
  3. Energy‑releasing chemical reaction
  4. Substance that decreases hydrogen ion concentration in solution
  5. Plot used to determine concentration of unknowns from known standards
  6. Use of microscopes to view small structures

12 Clues: Energy‑absorbing chemical reaction • Energy‑releasing chemical reaction • Solution that minimizes changes in pH • Use of microscopes to view small structures • Measure of hydrogen ion concentration (abbr.) • Pathways that break down molecules and release energy • Light-independent reactions that fix carbon into sugars • ...

Hannah mullane - chemistry crossword 2014-11-17

Hannah mullane - chemistry crossword crossword puzzle
Across
  1. Is sodium hydroxide (NaOH) an acid or base?
  2. Ra is the symbol for?
  3. What is the name given to substances that are initially involved in a chemical reaction?
  4. What is the first element on the periodic table?
  5. is the fourth most abundant element in the universe in terms of mass?
  6. What orbits the nucleus of an atom?
  7. Atoms of the same chemical element that have different atomic mass are known as?
  8. What is the chemical symbol for gold?
Down
  1. What is the third most common gas found in the air we breathe?
  2. What is the main gas found in the air we breathe?
  3. At room temperature, what is the only metal that is in liquid form?
  4. What is H20 more commonly known as?
  5. K is the chemical symbol for which element?
  6. What is the centre of an atom called?
  7. True or false? Acids have a pH level below 7.

15 Clues: Ra is the symbol for? • What is H20 more commonly known as? • What orbits the nucleus of an atom? • What is the centre of an atom called? • What is the chemical symbol for gold? • Is sodium hydroxide (NaOH) an acid or base? • K is the chemical symbol for which element? • True or false? Acids have a pH level below 7. • What is the first element on the periodic table? • ...

Atoms 2023-04-28

Atoms crossword puzzle
Across
  1. Shows a chemical equation happened
  2. The chemical formula after a chemical reaction
  3. a neutrally charged subatomic particle
  4. The chemical formula before a chemical reaction
Down
  1. The number below the atom
  2. a negatively charged subatomic particle
  3. a positively charged subatomic particle
  4. The big number at the beginning of a chemical formula

8 Clues: The number below the atom • Shows a chemical equation happened • a neutrally charged subatomic particle • a negatively charged subatomic particle • a positively charged subatomic particle • The chemical formula after a chemical reaction • The chemical formula before a chemical reaction • The big number at the beginning of a chemical formula

Chapter 10 2023-05-09

Chapter 10 crossword puzzle
Across
  1. Causes reduction to happen (2 words)
  2. A process in which an electron is removed from a molecule during a chemical reaction
  3. Two processes considered as complementary processes
  4. A process in which an electron is added to a molecule during a chemical reaction
  5. Used to identify a specific reaction or specific substances (2 words)
Down
  1. Is always 0 in an element(2 words)
  2. A reaction that involves the transfer of electrons (2 words)
  3. Element that is a common identifier of a specific reaction
  4. Causes oxidation to happen (2 words)
  5. A reaction in which a substance reacts with oxygen gas, releasing energy in the form of light and heat

10 Clues: Is always 0 in an element(2 words) • Causes reduction to happen (2 words) • Causes oxidation to happen (2 words) • Two processes considered as complementary processes • Element that is a common identifier of a specific reaction • A reaction that involves the transfer of electrons (2 words) • Used to identify a specific reaction or specific substances (2 words) • ...

Redox - Equilibrium 2022-04-19

Redox - Equilibrium crossword puzzle
Across
  1. Heat flowing into or within a system
  2. "Substance that increases the rate of a chemical reaction"
  3. When something continues to stay the same
  4. SI base unit for temperature
  5. A solo substance in a reaction
  6. "State of balance between opposing forces or actions"
Down
  1. Word used to express heat
  2. "The measure of how much of a given substance there is mixed with another substance"
  3. Appears at the end of a reaction
  4. Appears at the begging of a reaction
  5. Heat flowing into or within a system
  6. Force applied to a substance
  7. Measure of speed
  8. When one thing bumps into another
  9. When a reaction leans towards one side

15 Clues: Measure of speed • Word used to express heat • Force applied to a substance • SI base unit for temperature • A solo substance in a reaction • Appears at the end of a reaction • When one thing bumps into another • Heat flowing into or within a system • Appears at the begging of a reaction • Heat flowing into or within a system • When a reaction leans towards one side • ...

Changes of matter 2023-07-27

Changes of matter crossword puzzle
Across
  1. Something that is made from mixing other substances.
  2. Slippery to touch, tastes bitter, turn red litmus paper blue.
  3. A substance that changes during reaction.
  4. (of a reaction or process) accompanied by or requiring the absorption of heat.
  5. reaction a process that involves rearrangement of the molecular or ionic structure of a substance, as distinct from a change in physical form or a nuclear reaction.
  6. Corrosive, sour tasting liquid.
Down
  1. (of a reaction or process) accompanied by the release of heat.
  2. physical substance in general, makes up everything.
  3. Chemical process where substances act mutually on each other and undergoes change
  4. The process of burning something.

10 Clues: Corrosive, sour tasting liquid. • The process of burning something. • A substance that changes during reaction. • physical substance in general, makes up everything. • Something that is made from mixing other substances. • Slippery to touch, tastes bitter, turn red litmus paper blue. • (of a reaction or process) accompanied by the release of heat. • ...

8 - Period Table & Food and digestion v2021-02-08 2021-02-08

8 - Period Table & Food and digestion v2021-02-08 crossword puzzle
Across
  1. Vertical column on the Perodic Table
  2. Horizontal row on the Periodic Table
  3. Smallest particle that can be obtained in a chemical reaction
  4. A group of organs that carry out digestion.
  5. A way of writing out what happens in a chemical reaction.
Down
  1. Last group on the Periodic Table
  2. Substance made of two or more different types of atom bonded together
  3. Waste food material produced by the intestines.
  4. Temperature at which a liquid turns to a gas
  5. A substance that reacts together with another substance to form products during a chemical reaction.

10 Clues: Last group on the Periodic Table • Vertical column on the Perodic Table • Horizontal row on the Periodic Table • A group of organs that carry out digestion. • Temperature at which a liquid turns to a gas • Waste food material produced by the intestines. • A way of writing out what happens in a chemical reaction. • ...

Activity 1 2022-05-07

Activity 1 crossword puzzle
Across
  1. ____ is between the number of moles of reactants consumed and the number of moles of a product generated in a chemical reaction.
  2. _____ refers to anything that occupies space and has mass.
  3. A greek symbol like aplha, omega, ang beta. In chemical kinetics, it means "change in".
  4. A ____ is a process of reactants being converted to products.
  5. The study of chemical rates is called _____.
  6. _____must be balanced to reflect the law of conservation of matter.
Down
  1. Chemical reactions can cause a substance turn into a new substance. This change is known as ____.
  2. The substances produced at the end of the reaction are known as the _____.
  3. _____ is a change in concentration over a time period.
  4. The substances that go into a chemical reaction are known as the _____.

10 Clues: The study of chemical rates is called _____. • _____ is a change in concentration over a time period. • _____ refers to anything that occupies space and has mass. • A ____ is a process of reactants being converted to products. • _____must be balanced to reflect the law of conservation of matter. • ...

Metabolic Processes 2012-05-30

Metabolic Processes crossword puzzle
Across
  1. To build the body
  2. Large molecules made up of large numbers of repeating subunits
  3. Controls movement into and out of Nucleus
  4. The absorption of energy by an atom's electron
  5. Transform light energy into the cemical potential energy in glucose and other carbohydrates
  6. Any agent that accelerates chemical reaction without altering it
Down
  1. The full name for ATP
  2. Protective barrier that surrounds a cell
  3. One of the four major macromolecules
  4. Chemical change in body tissue that converts nutrients into energy
  5. Discovered that air plays a role in photosynthesis
  6. Obtaining molecules of food by ingesting or manufacturing them
  7. Protein catalyst that speeds up chemical reaction without being processed
  8. To break down

14 Clues: To break down • To build the body • The full name for ATP • One of the four major macromolecules • Protective barrier that surrounds a cell • Controls movement into and out of Nucleus • The absorption of energy by an atom's electron • Discovered that air plays a role in photosynthesis • Large molecules made up of large numbers of repeating subunits • ...

Chemistry Crossword 2022-04-08

Chemistry Crossword crossword puzzle
Across
  1. The best university ever
  2. When a chemical equation has the same number of atoms for each element on both sides
  3. ___thermic reactions feel cold
  4. The branch of chemistry involving calculations about quantities of reactants and products
  5. Your school's mascot
  6. Your chemistry teacher's last name
  7. When 1 element gets “kicked out” and replaced by another, it's called ____ replacement
Down
  1. The number of particles in one mole was named after this scientist
  2. A type of chemical reaction that creates fire
  3. 1 reactant breaks down into 2 (or more) products
  4. Speeds up a chemical reaction
  5. 2 (or more) reactants combine to form 1 product
  6. When 2 compounds “switch partners,” it's called ____ replacement
  7. ___thermic reactions feel hot

14 Clues: Your school's mascot • The best university ever • Speeds up a chemical reaction • ___thermic reactions feel hot • ___thermic reactions feel cold • Your chemistry teacher's last name • A type of chemical reaction that creates fire • 2 (or more) reactants combine to form 1 product • 1 reactant breaks down into 2 (or more) products • ...

Vocab 2025-09-25

Vocab crossword puzzle
Across
  1. no charge
  2. protons
  3. tendency
  4. change
  5. abbreviation
  6. chemical
  7. same
  8. releases
  9. negative
  10. absorbs
  11. elements
Down
  1. reactant
  2. attraction
  3. temperature
  4. molecule
  5. equal
  6. different
  7. outer
  8. basic
  9. combination
  10. biologic
  11. reaction
  12. shared
  13. substance
  14. positive
  15. result

26 Clues: same • equal • outer • basic • change • shared • result • protons • absorbs • reactant • molecule • tendency • biologic • chemical • reaction • positive • releases • negative • elements • no charge • different • substance • attraction • temperature • combination • abbreviation

Chemistry 2025-02-03

Chemistry crossword puzzle
Across
  1. stable oxide
  2. Biological cells release the energy stored in glucose for use by the cell or the body
  3. A natural process that converts a refined metal into a more
  4. A decrease in oxidation number of an atom or ion during a reaction
Down
  1. A chemical reaction that takes place between an oxidising substance and a reducing substance
  2. RIG A memory aid for remembering one definition of oxidation and reduction
  3. A chemical reaction in which a substance reacts with oxygen - the reaction is exothermic
  4. Silvery-gray metal that resembles iron
  5. An increase in oxidation number of an atom or ion during a reaction
  6. A term used to describe oxidised organic material
  7. This element has the symbol C

11 Clues: stable oxide • This element has the symbol C • Silvery-gray metal that resembles iron • A term used to describe oxidised organic material • A natural process that converts a refined metal into a more • A decrease in oxidation number of an atom or ion during a reaction • An increase in oxidation number of an atom or ion during a reaction • ...

Changing materials 2020-11-09

Changing materials crossword puzzle
Across
  1. always made in a chemical reaction(3,9)
  2. A chemical which speeds up a chemical reaction but is not used up
  3. A biological catalyst
  4. Gas which burns with a pop
  5. Does not dissolve
  6. Increases the pH of an acid towards 7
  7. alkaline substances turn pH paper this colour
Down
  1. salt formed by reacting potassium hydroxide and hydrochloric acid (9,8)
  2. The change of state from liquid to gas
  3. Acidic solution you put on your chips
  4. The change of state from solid to liquid
  5. The kind of change which does not involve the formation of a new substance
  6. Substance spread on fields to neutralise acidic soil
  7. Diluting an acid moves the pH closer to this

14 Clues: Does not dissolve • A biological catalyst • Gas which burns with a pop • Acidic solution you put on your chips • Increases the pH of an acid towards 7 • The change of state from liquid to gas • always made in a chemical reaction(3,9) • The change of state from solid to liquid • Diluting an acid moves the pH closer to this • alkaline substances turn pH paper this colour • ...

Unit III: Cell Energetics 2021-11-22

Unit III: Cell Energetics crossword puzzle
Across
  1. a form of anaerobic cellular respiration that takes place in animals
  2. the step in photosynthesis where carbon dioxide is attached to RuBp using the enzyme RuBisCo
  3. the final step to the light dependent reaction that facilitates the production of NADPH
  4. the process of anaerobic cellular respiration that takes place in prokaryotic and single celled eukaryotic cells
  5. the photoreceptive area of a chloroplast where the light dependent reaction takes place
  6. what happens when you digest food and the molecules break down in the body for use as energy
  7. reduced form of an electron transport molecule used in cellular respiration
  8. metabolic pathways that construct molecules from smaller units
  9. series of chemical reactions to release stored energy through the oxidation of acetyl-CoA from glucose
  10. a series of photosynthetic reactions that requires photons measure 680 and 700nm in wavelength
  11. a temporary molecule formed when an enzyme comes into perfect contact with its substrate.
  12. Oxygen, the element required for the continued cycling of ATP production in mitochondrion
  13. an electron transport molecule used in photosynthesis
  14. a substance that acts as a catalyst in living organisms
  15. catabolism of nutrients to carbon dioxide, water, and energy in the presence of oxygen
  16. the liquid where the Calvin Cycle takes place
Down
  1. the process for modulating the activity of a protein by the binding of a cellular signal
  2. the chemical reactions in the body's cells that change food into energy
  3. when an inhibitor binds to the enzyme at a location other than the active site
  4. the substance on which an enzyme acts
  5. a chemical reaction in which the standard change in free energy is positive
  6. interruption of a chemical pathway owing to one chemical substance inhibiting the effect of another by competing with it for binding or bonding.
  7. a chemical reaction where the change in the free energy is negative
  8. the final step of photosynthesis where G3P is created
  9. process by which organisms combine oxygen with food to make chemical energy
  10. a process that harnesses light (photon) energy and transforms it into chemical energy
  11. the site of photosynthesis
  12. an organism that produces/makes its own food
  13. a protein that used a proton motive force to create ATP them chemiosmosis
  14. cytoplasmic pathway which breaks down glucose into two three-carbon compounds
  15. the chemical breakdown of a substance by bacteria, yeasts, or other microorganisms, typically involving effervescence and the giving off of heat
  16. an organism that needs to consumer other organisms for energy
  17. a series of electron transporters embedded in the inner mitochondrial or thylakoid membrane
  18. The first step in photosynthesis where water is made into oxygen, electrons and protons
  19. the movement of ions (H+) across a semipermeable membrane bound structure
  20. the force that promotes movement of protons across membranes down a concentration gradient

36 Clues: the site of photosynthesis • the substance on which an enzyme acts • an organism that produces/makes its own food • the liquid where the Calvin Cycle takes place • the final step of photosynthesis where G3P is created • an electron transport molecule used in photosynthesis • a substance that acts as a catalyst in living organisms • ...

rinas puzzle 2025-02-13

rinas puzzle crossword puzzle
Across
  1. A substance produced during a chemical reaction
  2. The process by which one or more substances
  3. during a chemical reaction
  4. A chemical reaction in which heat is absorbed
Down
  1. something that warms your hand, example of exo
  2. A chemical reaction in which heat is released
  3. A substance that takes part in and undergoes
  4. When iron rusts, example of exothermic
  5. energy The total kinetic (motion) energy of the tiny particles
  6. to produce one or more different substances

10 Clues: during a chemical reaction • When iron rusts, example of exothermic • The process by which one or more substances • to produce one or more different substances • A substance that takes part in and undergoes • A chemical reaction in which heat is released • A chemical reaction in which heat is absorbed • something that warms your hand, example of exo • ...

Thermochemistry Crossword 2015-01-15

Thermochemistry Crossword crossword puzzle
Across
  1. Energy associated with the random motion of atoms and molecules
  2. A reaction that releases thermal energy as heat flows out of the system
  3. Heat absorbed by the container is ___________
  4. the value of the ΔH for any reaction that can be written in steps equals the sum of the values of ΔH for each of the individual steps
  5. A change in the form of a substance, in which the chemical bonds are broken
  6. A device used to measure enthalpy changes for chemical and physical reactions by measuring the change in heat using a thermometer.
  7. A type of system where matter cannot leave, but energy can
  8. Energy associated with the flow of electrons
  9. A change in the chemical bonds between atoms, resulting in the rearrangement of atoms into new substances
  10. A curve that represents an experiment in which it was determined that not all particles at a specific temperature had exactly the same velocity. Also known as the Kinetic Energy Distribution Curve
  11. A type of system where matter and energy can enter or leave
  12. A specially designed container in which changes in temperature can be measured, and is reinforced to withstand large forces from rapid expansion of hot gases from chemical reactions
  13. Energy stored within the bonds of chemicals
  14. Energy available in a system or object
  15. The study of energy changes that accompany physical or chemical changes in matter
  16. A reaction that absorbs thermal energy as heat flows into the system
  17. A type of molar enthalpy change that involves a solid dissociating into ions
  18. Dilute aqueous solutions assumed to have ____ and specific heat capacity of pure water 1g/mL and 4.18J(g×°C)
  19. An equation to calculate the heat energy produced in a reaction
  20. The capacity to do work
Down
  1. The enthalpy change associated with a physical, chemical or nuclear change involving 1 mol of a substance
  2. A set of reactants and products under study, usually represented by a chemical equation
  3. Enthalpy change in a system _________ the quantity of heat (q) that flows from the system to the surroundings
  4. The measure of the transfer of the thermal energy from one substance to another
  5. Certain characteristics of a system that must be made when performing calorimetry
  6. The technological process of measuring energy changes in a chemical system
  7. Energy stored within the collection of neutrons and protons in the nucleus
  8. The difference in enthalpies of reactants and products during a change.
  9. A theory that states "In order for a chemical reaction to occur, the reacting particles (molecules and/or atoms) must collide with each other. If the particles do not collide, no reactions occur."
  10. No heat is _________ transferred between calorimter and outside
  11. A type of molar enthalpy change that involves multiple molecules bonding to form a new substance
  12. The area of chemistry that deals with rates of reactions
  13. Quantity of heat required to raise the temperature of a unit mass of a substance 1°C or 1K.
  14. A type of molar enthalpy change that involves a substance changing state from liquid to gas
  15. The measure of the average kinetic energy in a substance (measured in °C or K)
  16. Collision frequency × fraction of effective collisions
  17. A type of molar enthalpy change that involves a substance changing state from liquid to solid
  18. A type of molar enthalpy change that involves an acid and base reaction together
  19. A type of system where matter and energy cannot leave
  20. A change in the protons or neutrons in an atom, resulting in the formation of new atoms
  21. A type of molar enthalpy change that involves a substance being burned off in oxygen gas

41 Clues: The capacity to do work • Energy available in a system or object • Energy stored within the bonds of chemicals • Energy associated with the flow of electrons • Heat absorbed by the container is ___________ • A type of system where matter and energy cannot leave • Collision frequency × fraction of effective collisions • ...

chemistry on a go 2025-04-23

chemistry on a go crossword puzzle
Across
  1. is a pure substance formed when two or more different elements are chemically combined in a fixed ratio.
  2. is the amount of matter in an object.
  3. is the force of attraction that holds atoms together in a molecule or compound
  4. is defined as a group of two or more atoms that are held together by chemical bonds
  5. is made of one atom and are shown on the periodic table.
  6. is a material composed of two or more substances that are physically combined, but not chemically bonded
  7. capacity to do work
  8. material substance that makes up the universe along with energy.
  9. Chemistry is the branch of science that deals with the properties, composition, and structure of elements and compounds, how they can change
Down
  1. is defined as a measure of the average kinetic energy of the particles
  2. is a chemical process that absorbs heat from its surroundings.
  3. is the basic building blocks of all matter made up of quarks.
  4. is defined as the transfer of thermal energy from one object to another due to a temperature difference
  5. is a process where substances, called reactants, interact and transform into new substances, called products
  6. is a chemical process that exerts heat out
  7. is a substance that participates in a chemical reaction and undergoes a change during the reaction

16 Clues: capacity to do work • is the amount of matter in an object. • is a chemical process that exerts heat out • is made of one atom and are shown on the periodic table. • is the basic building blocks of all matter made up of quarks. • is a chemical process that absorbs heat from its surroundings. • material substance that makes up the universe along with energy. • ...

7 2024-08-23

7 crossword puzzle
Across
  1. Solid formed in a solution
  2. Group 18 gases
  3. Measure of disorder
  4. Releases heat
  5. Group 1 metals
  6. Number of particles in a mole
  7. Quantitative relationship in reactions
  8. Biological catalyst
  9. Horizontal row in periodic table
  10. Study of reaction rates
  11. Absorbs heat
  12. Gain of electrons
Down
  1. Study of energy changes
  2. Vertical column in periodic table
  3. Metals in the center of the table
  4. Oxidation-reduction reaction
  5. Splitting of a compound by electricity
  6. Unit of chemical amount
  7. Group 17 elements
  8. Free energy in a system
  9. Group 2 metals
  10. Table organizing elements
  11. Loss of electrons
  12. Balance in a reaction
  13. Law of heat summation

25 Clues: Absorbs heat • Releases heat • Group 18 gases • Group 1 metals • Group 2 metals • Group 17 elements • Loss of electrons • Gain of electrons • Measure of disorder • Biological catalyst • Balance in a reaction • Law of heat summation • Study of energy changes • Unit of chemical amount • Free energy in a system • Study of reaction rates • Table organizing elements • Solid formed in a solution • ...

Chemistry Unit 6 vocab 2016-04-18

Chemistry Unit 6 vocab crossword puzzle
Across
  1. insoluble solid that form from two liquids
  2. charge of an atomic ion
  3. lose electrons
  4. an element from both compounds switch places
  5. 1 substance break into two products
  6. hydrocarbon reacts with oxygen and products are always water and carbon dioxide
Down
  1. tendency of a substance to experience a chemical reaction either by itself or with other materials
  2. a single element replace the element of the other
  3. gain electrons
  4. 2 substances combine into 1 product
  5. a chemical reaction that has one of the products as a precipitate
  6. reaction between an acid and a base producing a neutral solution
  7. a decreasing list of metals that ranked reactivity
  8. ability of a substance (solute) to dissolve in a solvent
  9. ionic equation an equation that only include the ions that react

15 Clues: gain electrons • lose electrons • charge of an atomic ion • 2 substances combine into 1 product • 1 substance break into two products • insoluble solid that form from two liquids • an element from both compounds switch places • a single element replace the element of the other • a decreasing list of metals that ranked reactivity • ...

Chemistry Chapter 9 2022-04-25

Chemistry Chapter 9 crossword puzzle
Across
  1. products ____ forming when one reactant runs out
  2. abbreviation for moles
  3. propane
  4. other reactions that consume one or more of the reactants or products
  5. stoichiometric quantities are used so to both reactants “____ ____” at the same time
  6. the reactant that is completely used up when a reaction is run to completion
  7. Hydrofluoric Acid
  8. the ______ of product calculated is the theoretical yield of that product
  9. mixture that contains the relative amounts of reactants that matches the numbers in the balanced equation
  10. when chemicals are mixed together so that they can undergo a reaction, they are often mixed in stoichiometric __________
  11. the amount of ________ is controlled by the limiting reactant
  12. The actual yield of a product as a percentage of the theoretical yield
  13. chemists say that the ________ equation for a chemical reaction describes the stoichiometry of the reaction
Down
  1. the ratio of moles of one substance to moles of another substance in a balanced chemical equation
  2. balanced equation can be multiplied by ____ ________ and you’d still have a balanced equation
  3. it is important to recognize that the coefficients in a balanced equation give the ________ number of molecules
  4. the process of using a chemical reaction equation to determine the relative amounts of reactants and products involved in a reaction
  5. _____________ Notation
  6. in chemistry, you cannot count molecules directly; instead we count by ________
  7. Big number used before each compound to balance equation
  8. we have to look for the ________ that is limiting to determine how much product can be formed
  9. use the _________ integers that satisfies a balanced equation
  10. the mass in grams of one mole of a compound
  11. The maximum amount of a given product that can be formed when the limiting reactant is completely consumed
  12. the amount of product actually obtained
  13. you must count by weighing, so you have to find the ________ reactant given the masses of the reactants
  14. you can use an ________ to predict the moles of products that a given number of moles of reactants will yield

27 Clues: propane • Hydrofluoric Acid • abbreviation for moles • _____________ Notation • the amount of product actually obtained • the mass in grams of one mole of a compound • products ____ forming when one reactant runs out • Big number used before each compound to balance equation • use the _________ integers that satisfies a balanced equation • ...

Britany E. Oxidation 2022-01-20

Britany E. Oxidation crossword puzzle
Across
  1. The transformation of chemical substances or species.
  2. New substance formed
  3. is an oxidation reaction.
  4. a substance that is at the beginning of a chemical reaction.
  5. a process by which the atoms loose electrons
  6. can convert stored chemical energy into electrical current.
Down
  1. is an action between elements of communication is the exchange of information
  2. is a negative electrical charge
  3. products do not change.
  4. union or connection between different things
  5. gaseous substance which atomic number is 8

11 Clues: New substance formed • products do not change. • is an oxidation reaction. • is a negative electrical charge • gaseous substance which atomic number is 8 • union or connection between different things • a process by which the atoms loose electrons • The transformation of chemical substances or species. • can convert stored chemical energy into electrical current. • ...

Chapter 13 Austin Pontious 2021-02-25

Chapter 13 Austin Pontious crossword puzzle
Across
  1. is a chemical that donates a hydrogenion
  2. must be moving fast enoughto overcome theenergyof activation.
  3. were once commonly usedas refrigerants
  4. reaction there is a netabsorption of energy.
  5. No atoms are gainedor lost during any reaction.
Down
  1. one or more newcompounds are formed as a result of therearrangement of atoms.
  2. reaction there is a net releaseof energy.
  3. is a substance that lowers theactivation energy of a chemical reaction
  4. is dependent on thecollisions among molecules.
  5. is the amount of energy required topull two bonded atoms apart,

10 Clues: were once commonly usedas refrigerants • is a chemical that donates a hydrogenion • reaction there is a net releaseof energy. • reaction there is a netabsorption of energy. • is dependent on thecollisions among molecules. • No atoms are gainedor lost during any reaction. • must be moving fast enoughto overcome theenergyof activation. • ...

Enzyme Vocabulary Crossword 2021-09-27

Enzyme Vocabulary Crossword crossword puzzle
Across
  1. The result at the end of the reaction
  2. What is needed to start a reaction
  3. _________ energy is the energy needed to start the reaction (enzymes lower this)
  4. Enzymes are this type of macromolecule
  5. A protein that speeds up chemical reactions by lowering activation energy
Down
  1. Maintaining a stable internal environment
  2. The substance that binds to the enzyme
  3. Speeding up a reaction
  4. The sum total of all the chemical reactions taking place within an organism
  5. When a protein unfolds (or breaks down) and is no longer functional

10 Clues: Speeding up a reaction • What is needed to start a reaction • The result at the end of the reaction • The substance that binds to the enzyme • Enzymes are this type of macromolecule • Maintaining a stable internal environment • When a protein unfolds (or breaks down) and is no longer functional • A protein that speeds up chemical reactions by lowering activation energy • ...

Hayden Smallman Ch.13 Chemical Reactions 2021-12-02

Hayden Smallman Ch.13 Chemical Reactions crossword puzzle
Across
  1. reaction is a net absorption of energy.
  2. energy is the amount of energy required to pull two bonded atoms apart.
  3. is a measure of the concentration.
  4. of a reaction dependent on the collisions among molecules.
  5. rate is how quickly the concentration of reactants.
  6. of mass conservation is No atoms are gained or lost.
Down
  1. is a chemical that donates a hydrogen ion.
  2. reaction is a net release of energy.
  3. energy is also known as Activation Energy.
  4. is a chemical that accepts a hydrogen ion.
  5. is a substance that lowers the activation energy.

11 Clues: is a measure of the concentration. • reaction is a net release of energy. • reaction is a net absorption of energy. • is a chemical that donates a hydrogen ion. • energy is also known as Activation Energy. • is a chemical that accepts a hydrogen ion. • is a substance that lowers the activation energy. • rate is how quickly the concentration of reactants. • ...

Chapter 7 vocabulary 2021-12-06

Chapter 7 vocabulary crossword puzzle
Across
  1. its absorbs the heat energy.
  2. is the amount of substance in the volume
  3. thinsg that form as a reslut of the reaction accures
  4. a process that makes chemical change
  5. its absorbs the heat of the energy.
Down
  1. it lets chemists know at a glace the reactants
  2. its the amount of the energy in something
  3. Things that are there before the reaction begins
  4. its lets you know how fast a reaction is after it started
  5. things that slow down a chemical reaction

10 Clues: its absorbs the heat energy. • its absorbs the heat of the energy. • a process that makes chemical change • is the amount of substance in the volume • its the amount of the energy in something • things that slow down a chemical reaction • it lets chemists know at a glace the reactants • Things that are there before the reaction begins • ...

Chapter 7 vocabulary 2021-12-06

Chapter 7 vocabulary crossword puzzle
Across
  1. its absorbs the heat energy.
  2. is the amount of substance in the volume
  3. thinsg that form as a reslut of the reaction accures
  4. a process that makes chemical change
  5. its absorbs the heat of the energy.
Down
  1. it lets chemists know at a glace the reactants
  2. its the amount of the energy in something
  3. Things that are there before the reaction begins
  4. its lets you know how fast a reaction is after it started
  5. things that slow down a chemical reaction

10 Clues: its absorbs the heat energy. • its absorbs the heat of the energy. • a process that makes chemical change • is the amount of substance in the volume • its the amount of the energy in something • things that slow down a chemical reaction • it lets chemists know at a glace the reactants • Things that are there before the reaction begins • ...

Fallon Foley 2017-05-22

Fallon Foley crossword puzzle
Across
  1. During roasting, heating causes the molecules to speed up and move farther apart so they...
  2. coffee can be blamed for
  3. How many years have coffee drinkers been around
  4. light colored coffee is
  5. Coffee can be blamed for high
  6. Too much coffee can keep you
  7. Coffee shouldn't be made with boiling water because boiling water drives off too many of these
  8. What chemical reaction occurs during roasting
  9. Where does half the worlds coffee come from
Down
  1. Moderate amounts of coffee can decrease
  2. dark colored coffee is
  3. The bitterness in coffee is due to the presence of
  4. Foam is an example of a colloid which is a heterogeneous mixture composed of one ______ to another
  5. What is a chemical reaction that occurs
  6. where does coffee come from
  7. Coffee can be blamed for
  8. The average coffee beans contain___ types of acids
  9. What's the browning of the bean chemical change called
  10. coffee beans are
  11. What are coffee beans removed from

20 Clues: coffee beans are • dark colored coffee is • light colored coffee is • coffee can be blamed for • Coffee can be blamed for • where does coffee come from • Too much coffee can keep you • Coffee can be blamed for high • What are coffee beans removed from • Moderate amounts of coffee can decrease • What is a chemical reaction that occurs • Where does half the worlds coffee come from • ...

stoichiometry 2025-10-24

stoichiometry crossword puzzle
Across
  1. max amount of a substance that can be made
  2. first to conduct carefully controlled experiments
  3. how much left of a reactant after reaction
  4. created atomic theory
  5. substances that are used at start of reaction
  6. equation that goes from a mole to another mole
  7. reaction between substances that changes chemicals
  8. turning a substance into another
  9. the reactant that limits the others
  10. the result of reaction
Down
  1. atoms are never created or destroyed
  2. number to the right of a substance
  3. equation that goes from particles to mass
  4. conversion of amount of a substance to another
  5. how accurate the actual yield was
  6. equation with same amount of substances on both sides
  7. number to the left of a substance
  8. a substance
  9. equation that goes from mass to mass
  10. max amount that actually was made

20 Clues: a substance • created atomic theory • the result of reaction • turning a substance into another • how accurate the actual yield was • number to the left of a substance • max amount that actually was made • number to the right of a substance • the reactant that limits the others • atoms are never created or destroyed • equation that goes from mass to mass • ...

Science 2021-11-11

Science crossword puzzle
Across
  1. ____or fire
  2. physical properties can be observed or______ without changing the substance
  3. when a reactions happens
  4. how an object is formed
  5. how big something is
  6. how something feels
  7. When a new subtance isnt made a ______ is formed
  8. how flamble something is
Down
  1. the chemical formula has to be ______ in order to see these properties
  2. The smell of physical properties
  3. 2nd example of physical properties
  4. when a chemical reaction forms new ______
  5. Does not create a new _____
  6. state of ____
  7. 4th example of chemical properties
  8. how toxic something is in chemical properties
  9. unexpected ______ change (Tempurture or light)

17 Clues: ____or fire • state of ____ • how something feels • how big something is • how an object is formed • when a reactions happens • how flamble something is • Does not create a new _____ • The smell of physical properties • 2nd example of physical properties • 4th example of chemical properties • when a chemical reaction forms new ______ • how toxic something is in chemical properties • ...

Photosynthesis Crossword - Stanfield 2019-12-09

Photosynthesis Crossword - Stanfield crossword puzzle
Across
  1. Simple chemical and simple alcohol
  2. simple sugar
  3. the chemical breakdown of a substance by bacteria, yeasts, or other microorganisms
  4. an energy source
  5. O2
  6. where photosynthesis occurs
  7. flat pancake like sacs
  8. Cluster of protiens that transfer through the mitochondria to make ATP
  9. an organic acid
  10. a linked series of chemical reactions occurring within a cell.
  11. H2O
  12. convert the energy in food into ATP to be used as chemical energy by the cell.
Down
  1. a series of chemical reactions used by all aerobic organisms
  2. the chemical reactions that convert carbon dioxide and other compounds into glucose.
  3. use of light energy to make NADPH and ATP
  4. CO2
  5. Not requiring oxygen
  6. enzymes breakdown glucose
  7. stack of the pancake like sacs
  8. plants perform this to create glucose
  9. Taking in one atom and producing releasing another.
  10. requiring oxygen

22 Clues: O2 • CO2 • H2O • simple sugar • an organic acid • an energy source • requiring oxygen • Not requiring oxygen • flat pancake like sacs • enzymes breakdown glucose • where photosynthesis occurs • stack of the pancake like sacs • Simple chemical and simple alcohol • plants perform this to create glucose • use of light energy to make NADPH and ATP • ...

Vocabulary Crossword 2025-02-13

Vocabulary Crossword crossword puzzle
Across
  1. When an acid (pH<7) and a base (pH>7) react to produce a salt in water, with a pH of 7 (neutral).
  2. A chemically bonded cluster of atoms.
  3. A compound in aqueous solution that neutralizes a base to form a salt and water.
  4. When a positive ion gains electrons to become less positively charged, or when a neutral atom gains electrons to become a negatively charged ion.
  5. The compounds formed by a chemical reaction.
  6. A numeral written in front of a chemical formula in a chemical equation; indicates the proportions of the reactants and products in a chemical reaction.
Down
  1. When an atom loses electrons to become a positively charged ion.
  2. A compound in aqueous solution that neutralizes an acid to form a salt and water.
  3. Two or more different elements chemically bonded together.
  4. A base that contains the hydroxide ion.
  5. One of the compounds going into a chemical reaction.

11 Clues: A chemically bonded cluster of atoms. • A base that contains the hydroxide ion. • The compounds formed by a chemical reaction. • One of the compounds going into a chemical reaction. • Two or more different elements chemically bonded together. • When an atom loses electrons to become a positively charged ion. • ...

Chapter 7 vocabulary 2021-12-06

Chapter 7 vocabulary crossword puzzle
Across
  1. its absorbs the heat energy.
  2. is the amount of substance in the volume
  3. thinsg that form as a reslut of the reaction accures
  4. a process that makes chemical change
  5. its absorbs the heat of the energy.
Down
  1. it lets chemists know at a glace the reactants
  2. its the amount of the energy in something
  3. Things that are there before the reaction begins
  4. its lets you know how fast a reaction is after it started
  5. things that slow down a chemical reaction

10 Clues: its absorbs the heat energy. • its absorbs the heat of the energy. • a process that makes chemical change • is the amount of substance in the volume • its the amount of the energy in something • things that slow down a chemical reaction • it lets chemists know at a glace the reactants • Things that are there before the reaction begins • ...

Chapter 7 vocabulary 2021-12-06

Chapter 7 vocabulary crossword puzzle
Across
  1. its absorbs the heat energy.
  2. is the amount of substance in the volume
  3. thinsg that form as a reslut of the reaction accures
  4. a process that makes chemical change
  5. its absorbs the heat of the energy.
Down
  1. it lets chemists know at a glace the reactants
  2. its the amount of the energy in something
  3. Things that are there before the reaction begins
  4. its lets you know how fast a reaction is after it started
  5. things that slow down a chemical reaction

10 Clues: its absorbs the heat energy. • its absorbs the heat of the energy. • a process that makes chemical change • is the amount of substance in the volume • its the amount of the energy in something • things that slow down a chemical reaction • it lets chemists know at a glace the reactants • Things that are there before the reaction begins • ...

Chapter 13 crossword - Ella Johnson 2021-12-01

Chapter 13 crossword - Ella Johnson crossword puzzle
Across
  1. This energy is also known as Bond energy
  2. when energy is absorbed or enters, what reaction is it.
  3. the amount of energy required to pull two bonded atoms apart,
  4. Combustion is a type of chemical _____
Down
  1. Not all ___ lead to products.
  2. when reaction and its reverse act at the same rate.
  3. Giving off heat represents a ____ ___
  4. Most reactions go faster at higher __
  5. The more surface area the ___ the reaction
  6. when balancing a chemical equation you balance __ at a time

10 Clues: Not all ___ lead to products. • Giving off heat represents a ____ ___ • Most reactions go faster at higher __ • Combustion is a type of chemical _____ • This energy is also known as Bond energy • The more surface area the ___ the reaction • when reaction and its reverse act at the same rate. • when energy is absorbed or enters, what reaction is it. • ...

stoichiometry 2023-01-02

stoichiometry crossword puzzle
Across
  1. type of reaction where exchange of ions between two compounds
  2. What type of reaction? CHO + 4O -> 3CO + 3HO
  3. unit for formula mass
  4. also known as gram formula mass
  5. type of reaction where two or more substances react to produce a single compound
Down
  1. can only be changed to balance a equation
  2. left of the arrow
  3. a type of reaction where bonds between atoms are formed or broken
  4. right of the arrow; after the chemical
  5. one __ is equal to 6.022 × 1023 particles

10 Clues: left of the arrow • unit for formula mass • also known as gram formula mass • right of the arrow; after the chemical • can only be changed to balance a equation • one __ is equal to 6.022 × 1023 particles • What type of reaction? CHO + 4O -> 3CO + 3HO • type of reaction where exchange of ions between two compounds • ...

Science 24 Chemistry Unit Review 2022-05-02

Science 24 Chemistry Unit Review crossword puzzle
Across
  1. Any chemical reaction that absorbs heat.
  2. Two or more substances react together.
  3. Chemicals that kill particular plants
  4. Device installed in industrial smokestacks to remove sulfur.
  5. Acid and base, salt compound and water.
  6. Any chemical reaction that releases heat.
  7. Natural earth's warming, cool intervals.
Down
  1. Chemically breaks down or degrades metal.
  2. Acid materials that are deposited on earth.
  3. Workplace Hazardous Materials Information System.
  4. Substances of molecules that are bonded together.
  5. Substance combines with oxygen to produce heat:burning.
  6. Carbon dioxide,water, methane, that trap heats on earth.
  7. Two, or more metals mixed together.
  8. Man-made substance
  9. Substances, chemicals to kill plants or animals.

16 Clues: Man-made substance • Two, or more metals mixed together. • Chemicals that kill particular plants • Two or more substances react together. • Acid and base, salt compound and water. • Any chemical reaction that absorbs heat. • Natural earth's warming, cool intervals. • Chemically breaks down or degrades metal. • Any chemical reaction that releases heat. • ...

Enzymes 4.1.3 2024-02-07

Enzymes 4.1.3 crossword puzzle
Across
  1. The most important factor in determining specificity.
  2. A reaction that BUILDS the substrate.
  3. __________ can change the shape of an enzyme.
  4. What are enzymes made out of?
  5. An _______ pH or temperature is the pH or temperature that the enzyme performs best at.
  6. Three letters that MANY enzymes end with.
  7. The catalyst _________ the rate of the reaction.
  8. Since enzymes are made of proteins, they are technically made of ______.
  9. Protein molecules that act as biological catalysts.
  10. Enzymes are _______.
  11. A molecule that is able to bind to the enzyme and block the substrate.
  12. A reaction that BREAKS the substrate.
  13. The name of a hypothesis that helps explain enzyme function.
  14. The biological molecule that the enzyme will work on.
Down
  1. Pancreatic amylase breaks down _____.
  2. What the substrate becomes after the enzyme lets go.
  3. An enzyme can become ________ if it is exposed to extreme highs or lows of temperature or acidity.
  4. The act of taking away water in order to bind molecules.
  5. The act of adding water in order to break apart molecules.
  6. The type of activities enzymes activate.
  7. Asenzyme _________ increases, the rate of reaction increases then plateaus.
  8. The percentage of hydrogen ions in a solution.
  9. The substrate has to ____ the active site in order to form a bond.
  10. A substance that increases the rate of a chemical reaction.
  11. A specifically shaped area of the enzyme that fits around the substrate.

25 Clues: Enzymes are _______. • What are enzymes made out of? • Pancreatic amylase breaks down _____. • A reaction that BUILDS the substrate. • A reaction that BREAKS the substrate. • The type of activities enzymes activate. • Three letters that MANY enzymes end with. • __________ can change the shape of an enzyme. • The percentage of hydrogen ions in a solution. • ...

Enzymes 4.1.3 2024-02-07

Enzymes 4.1.3 crossword puzzle
Across
  1. The most important factor in determining specificity.
  2. __________ can change the shape of an enzyme.
  3. An enzyme can become ________ if it is exposed to extreme highs or lows of temperature or acidity.
  4. The act of adding water in order to break apart molecules.
  5. Enzymes are _______.
  6. Protein molecules that act as biological catalysts.
  7. Pancreatic amylase breaks down _____.
  8. An _______ pH or temperature is the pH or temperature that the enzyme performs best at.
  9. A reaction that BUILDS the substrate.
  10. What are enzymes made out of?
  11. Asenzyme _________ increases, the rate of reaction increases then plateaus.
  12. The catalyst _________ the rate of the reaction.
  13. A reaction that BREAKS the substrate.
Down
  1. A specifically shaped area of the enzyme that fits around the substrate.
  2. The type of activities enzymes activate.
  3. The act of taking away water in order to bind molecules.
  4. A molecule that is able to bind to the enzyme and block the substrate.
  5. Three letters that MANY enzymes end with.
  6. The biological molecule that the enzyme will work on.
  7. The name of a hypothesis that helps explain enzyme function.
  8. Since enzymes are made of proteins, they are technically made of ______.
  9. The substrate has to ____ the active site in order to form a bond.
  10. The percentage of hydrogen ions in a solution.
  11. What the substrate becomes after the enzyme lets go.
  12. A substance that increases the rate of a chemical reaction.

25 Clues: Enzymes are _______. • What are enzymes made out of? • Pancreatic amylase breaks down _____. • A reaction that BUILDS the substrate. • A reaction that BREAKS the substrate. • The type of activities enzymes activate. • Three letters that MANY enzymes end with. • __________ can change the shape of an enzyme. • The percentage of hydrogen ions in a solution. • ...

Balancing Equations Vocab 2021-01-14

Balancing Equations Vocab crossword puzzle
Across
  1. The symbolic representation of a chemical reaction in the form of symbols
  2. States that mass in an isolated system is neither created nor destroyed by chemical reactions or physical transformations
  3. To make or produce
  4. When things aren't equal
Down
  1. The number located slightly below and to the side of another character in chemical formulas
  2. A substance that is present at the start of a chemical reaction
  3. To be equal
  4. The substance formed as a result of a chemical reaction
  5. The number in front of the formula, which tells us how many molecules of the formula are present

9 Clues: To be equal • To make or produce • When things aren't equal • The substance formed as a result of a chemical reaction • A substance that is present at the start of a chemical reaction • The symbolic representation of a chemical reaction in the form of symbols • The number located slightly below and to the side of another character in chemical formulas • ...

science cross word puzzle 2021-11-16

science cross word puzzle crossword puzzle
Across
  1. change changes affecting the form of a chemical substance
  2. propertie a property (as color, hardness, boiling point) of matter not involving in its manifestation a chemical change
  3. changes a usually irreversible chemical reaction involving the rearrangement of the atoms of one or more substances
  4. is defined as a state of matter consisting of particles that have neither a defined volume nor defined shape
  5. is a material made up of two or more different chemical substance/substances which are not chemically combined
  6. a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction
  7. any substance composed of identical molecules consisting of atoms of two or more chemical elements
  8. material substance that constitutes the observable universe
Down
  1. changing into a gas when energy is added
  2. any substance that cannot be decomposed into simpler substances by ordinary chemical processes
  3. substance a sample of matter with both definite and constant composition and distinct chemical properties
  4. is one of the states of matter
  5. properties a particular substance that can be observed in a chemical reaction
  6. smallest unit into which matter can be divided without the release of electrically charged particles
  7. one of the three basic states of matter, the others being liquid and gas

15 Clues: is one of the states of matter • changing into a gas when energy is added • change changes affecting the form of a chemical substance • material substance that constitutes the observable universe • one of the three basic states of matter, the others being liquid and gas • properties a particular substance that can be observed in a chemical reaction • ...

Matter & Energy Crossword Puzzle 2023-10-10

Matter & Energy Crossword Puzzle crossword puzzle
Across
  1. instrument used to determine if a reaction is endothermic or exothermic
  2. a reaction that absorbs heat energy and feels cold to the touch
Down
  1. a reaction that releases heat energy and feels hot to the touch.
  2. method, like temperature, to determine energy change in a reaction.
  3. shift in a chemical reaction from reactants to products.
  4. reaction in chemical ice packs, feels cold when activated
  5. rapid heat and light release, e.g., lighting a candle.
  6. type of change where the substance that it is does change.
  7. energy that is transferred as a result of temperature difference.
  8. type of change where the substance's physical properties change, but not its composition.

10 Clues: rapid heat and light release, e.g., lighting a candle. • shift in a chemical reaction from reactants to products. • reaction in chemical ice packs, feels cold when activated • type of change where the substance that it is does change. • a reaction that absorbs heat energy and feels cold to the touch • ...

Science Crossword 2023-11-16

Science Crossword crossword puzzle
Across
  1. The sharing of one pair of electrons
  2. Thermal energy in the transfer of one body of matter to another
  3. The clinging of one substance to another
  4. The energy of motion cel
  5. A positively charged ion
  6. Two atomic forms of an element that differ in the number of neutrons
  7. Measure of how hard it is to break the surface of liquid
  8. The final molecules of a chemical reaction
  9. The sharing of a pair of valence electrons by two atoms
  10. Why molecules stay close together
Down
  1. The sharing of one pair of electrons
  2. The amount of heat required to raise the temperature of 1 g of water by 1 degree Celius
  3. The making and breaking of chemical bonds
  4. An attraction between an anion and a cation
  5. A negatively charged ion
  6. An atom's attraction for the electrons of a covalent bond
  7. Measure of the total amount of kinetic energy due to molecular motion
  8. Has the capacity to cause change
  9. The dissolving agent of a solution
  10. The starting molecules of a chemical reaction

20 Clues: A negatively charged ion • The energy of motion cel • A positively charged ion • Has the capacity to cause change • Why molecules stay close together • The dissolving agent of a solution • The sharing of one pair of electrons • The sharing of one pair of electrons • The clinging of one substance to another • The making and breaking of chemical bonds • ...