chemical reaction Crossword Puzzles

Chemistry of Life 2024-05-31

Chemistry of Life crossword puzzle
Across
  1. acid Organic compounds that combine to form proteins.
  2. A substance that increases the rate of a chemical reaction without undergoing permanent chemical change.
  3. A large molecule composed of many repeated subunits (monomers).
  4. The substance on which an enzyme acts.
  5. acid Biopolymers essential for all known forms of life (DNA and RNA).
  6. A protein that acts as a catalyst to accelerate a chemical reaction.
  7. A group of naturally occurring molecules that include fats, waxes, and certain vitamins.
Down
  1. A large complex molecule, such as proteins, nucleic acids, carbohydrates, and lipids.
  2. A molecule composed of amino acids joined by peptide bonds.
  3. Organic compounds made up of carbon, hydrogen, and oxygen that provide energy.
  4. A molecule that can bind to other identical molecules to form a polymer.
  5. site The region on an enzyme where substrate molecules bind and undergo a chemical reaction.

12 Clues: The substance on which an enzyme acts. • acid Organic compounds that combine to form proteins. • A molecule composed of amino acids joined by peptide bonds. • A large molecule composed of many repeated subunits (monomers). • A protein that acts as a catalyst to accelerate a chemical reaction. • ...

Chemical Reactions 2015-11-28

Chemical Reactions crossword puzzle
Across
  1. When magnesium is burnt is air it emits energy as a bright ........
  2. When electricity is passed through water the gases released are hydrogen and .........
  3. The chemicals required for the reaction
  4. The name of the gas released when metals react with acid
  5. When electricity is passed through water, the reaction is known as .............
  6. A very reactive metal that explodes when placed in water
  7. The number of atoms in water
  8. These reactions do not form new substances
  9. The name of the process converting vapour into liquid form
  10. Reactions that burn fuels and oxygen to generate heat
  11. These reactions make new substances
  12. These reactions take in heat
  13. The opposite to an acid
  14. A reaction forming a sludge from two soluble solutions
  15. The name of the process converting water into gas
  16. The name of the main gas used to fuel bunsen burners
Down
  1. The chemicals formed after the reaction
  2. When magnesium is burnt in air, it forms magnesium .......
  3. These reactions generate heat
  4. dioxide The name of the gas formed when an acid reacts with a carbonate is known as …………. dioxide
  5. The name of a reaction that forms a gas
  6. The name of a chemical that contains much energy
  7. This type of reaction breaks down big molecules into smaller ones
  8. When small molecules or atoms are combined to make bigger molecules
  9. A blue soluble salt known as copper ...........
  10. Shells and marble are made of ......... carbonate
  11. The chemist's heat source
  12. My official name is dihydrogen oxide
  13. This is often released in exothermic reactions

29 Clues: The opposite to an acid • The chemist's heat source • The number of atoms in water • These reactions take in heat • These reactions generate heat • These reactions make new substances • My official name is dihydrogen oxide • The chemicals formed after the reaction • The chemicals required for the reaction • The name of a reaction that forms a gas • ...

TRIVIA ABOUT PHYSICAL AND CHEMICAL CHANGE 2024-11-11

TRIVIA ABOUT PHYSICAL AND CHEMICAL CHANGE crossword puzzle
Across
  1. A physical state change often demonstrated in ice hockey games to maintain a solid playing surface.
  2. Flame: The longest burning man-made flame located near a waterfall in New York.
  3. The process by which a solid changes directly to a gas without becoming liquid first.
  4. A form of light and heat energy release, often from the Olympic flame, which is continuously burning.
  5. Soda: This common household item reacts with vinegar to form a chemical reaction that produces gas bubbles.
  6. Gormley created a life-sized sculpture out of this solid state of water, demonstrating its melting.
  7. A product of a chemical reaction that fuels fireworks and explosions.
Down
  1. The state of matter involved in the largest ice sculpture, which kept its composition as H₂O
  2. When sand is packed and shaped, but its chemical composition remains the same.
  3. A substance made up of hydrogen and oxygen that can change into gas through evaporation.
  4. The country where the largest fireworks display took place in 2016 with over 800,000 fireworks.
  5. The country where a massive sandcastle was built, reaching nearly 58 feet in height.
  6. Treatment: Created by 13,688 students worldwide, this largest chemistry experiment focused on a process essential for clean drinking water.
  7. A strong, bright emission of light and heat from a reaction in fireworks
  8. V: NASA’s powerful rocket engine, known for its impressive chemical reaction.

15 Clues: A product of a chemical reaction that fuels fireworks and explosions. • A strong, bright emission of light and heat from a reaction in fireworks • V: NASA’s powerful rocket engine, known for its impressive chemical reaction. • When sand is packed and shaped, but its chemical composition remains the same. • ...

Chapter 17 Thermochemistry 2022-05-05

Chapter 17 Thermochemistry crossword puzzle
Across
  1. absorbs heat from the surroundings
  2. the heat absorbed by one mole of a solid substance as it melts to a liquid at a constant temperature
  3. the heat lost when one mole of a liquid solidifies at a constant temperature
  4. one that releases heat to its surroundings
  5. the heat of reaction for the complete burning of one mole of a substance
  6. include everything else in the universe
  7. the heat content of a system at constant pressure
Down
  1. the insulated device used to measure the absorption or release of heat in chemical or physical processes
  2. the amount of heat necessary to vaporize one mole of a given liquid
  3. states that if you add two or more thermochemical equations to give a final equation, then you can also add the heats of reaction to give the final heat of reaction
  4. a chemical equation that includes the enthalpy change
  5. the energy stored in the chemical bonds of a substance
  6. represented by q, is energy that transfers from one object to another because of a temperature difference between them
  7. the enthalpy change for the chemical equation exactly as it is written
  8. the precise measurement of the heat flow into or out of a system for chemical and physical processes
  9. the change in enthalpy that accompanies the formation of one mole of a compound from its elements with all substances in their standard states at 25 degrees Celsius
  10. the enthalpy change caused by dissolution of one mole of a substance
  11. the amount of heat released when 1 mol of vapor condenses at the normal boiling point
  12. the study of energy changes that occur during chemical reactions and changes in state
  13. the amount of heat it takes to raise the temperature of 1g of the substance 1 degree Celsius
  14. the amount of heat needed to increase the temperature of an object exactly 1 degree Celsius
  15. the part of the universe on which you focus your attention

22 Clues: absorbs heat from the surroundings • include everything else in the universe • one that releases heat to its surroundings • the heat content of a system at constant pressure • a chemical equation that includes the enthalpy change • the energy stored in the chemical bonds of a substance • the part of the universe on which you focus your attention • ...

Chapter 6+7 2024-04-02

Chapter 6+7 crossword puzzle
Across
  1. - a diagram of an atom, ion or molecule in which each dot represents a valence electron
  2. - an ion with a negative charge
  3. - a neutral group of atoms that are joined together by one or more covalent bonds
  4. - an atom or group of atoms that has a positive or negative charge
  5. - a chemical bond in which two atoms share a pair of valence electrons
  6. - notation that shows what elements a compound contains and the ratio of the atoms or ions of these elements in the compound
  7. - the force that holds cations and anions together
Down
  1. - a mixture of two or more elements, at least one of which is a metal, that has the characteristic properties of a metal
  2. - a substance that undergoes change in a chemical reaction
  3. - the attraction between a metal cation and the shared electrons that surround it
  4. - numbers that appear before a formula in a chemical equation to show the relative proportions of each reactant and product
  5. - an ion with a positive charge
  6. - the force that holds atoms or ions together as a unit
  7. - a representation of a chemical reaction in which the reactants and products are expressed as formulas
  8. - new substances formed as a result of a chemical reaction

15 Clues: - an ion with a positive charge • - an ion with a negative charge • - the force that holds cations and anions together • - the force that holds atoms or ions together as a unit • - a substance that undergoes change in a chemical reaction • - new substances formed as a result of a chemical reaction • - an atom or group of atoms that has a positive or negative charge • ...

11 - Physical v2021-01-26 2021-01-26

11 - Physical v2021-01-26 crossword puzzle
Across
  1. A substance formed in a chemical reaction.
  2. The total area of an object, for example the area of a skydiver's body facing the air as they fall, or the area of a car tyre that touches the road.
  3. A substance that changes the rate of a chemical reaction without being changed by the reaction itself.
  4. A protein which catalyses or speeds up a chemical reaction.
  5. The amount of matter an object contains. Measured in kilograms (kg) or grams (g).
Down
  1. Tells us how much of a substance is dissolved in water. The higher the value, the more particles of the substance are present.
  2. A collision between reactant particles that has enough energy for a reaction to happen.
  3. Another word for steepness. On a graph, defined as being the change in the 'y' value divided by the change in the 'x' value. It defines how steep a line is.
  4. Chart showing how the energy of reactants and products changes during a reaction.
  5. A substance that reacts together with another substance to form products during a chemical reaction.

10 Clues: A substance formed in a chemical reaction. • A protein which catalyses or speeds up a chemical reaction. • Chart showing how the energy of reactants and products changes during a reaction. • The amount of matter an object contains. Measured in kilograms (kg) or grams (g). • A collision between reactant particles that has enough energy for a reaction to happen. • ...

Unit 3 Vocabulary 2022-04-27

Unit 3 Vocabulary crossword puzzle
Across
  1. A rock formed by the deposition, compaction and cementation
  2. All substances.
  3. The process by which cells turn nutrients into useful energy
  4. In the absence of oxygen
  5. Sugar produced during photosynthesis
  6. Change in textural, shape, temperature or phase
  7. Wearing away of rock
  8. Rocks from magma
  9. Sunlight, water and carbon dioxide are turned into glucose, and oxygen
  10. Result of a chemical reaction
Down
  1. Snow or ice become water vapor without passing through the liquid phase
  2. Two or more atoms linked together
  3. In the presents of oxygen
  4. The capacity to do work
  5. Any rock and become another rock
  6. Heat and pressure in the Earth's crust
  7. the basic unit of an element
  8. Substances participating in a reaction.
  9. Breaking bonds between atoms.

19 Clues: All substances. • Rocks from magma • Wearing away of rock • The capacity to do work • In the absence of oxygen • In the presents of oxygen • the basic unit of an element • Breaking bonds between atoms. • Result of a chemical reaction • Any rock and become another rock • Two or more atoms linked together • Sugar produced during photosynthesis • Heat and pressure in the Earth's crust • ...

Christmas Chemistry Crossword 2025-12-09

Christmas Chemistry Crossword crossword puzzle
Across
  1. ^The starting materials in a chemical reaction, written on the left side of the arrow
  2. ^A rapid reaction between a substance and an oxidant, usually oxygen, producing heat and light
  3. ^Reaction where one element swaps places with another element in a compound; sometimes called single displacement
  4. ^Reaction where a single compound breaks down into two or more simpler substances
  5. ^The substances that are formed as a result of a chemical change, written on the right side of the arrow
Down
  1. ^Reaction where two ionic compounds exchange ions to form two new compounds; often forms a precipitate
  2. ^Reaction where two or more substances combine to form a more complex substance
  3. ^A chemical equation that shows the same number of atoms for each element on both sides of the arrow
  4. ^An insoluble solid that separates from a solution during a double replacement reaction
  5. ^Uses symbols and subscripts to show the elements and number of atoms in a compound

10 Clues: ^Reaction where two or more substances combine to form a more complex substance • ^Reaction where a single compound breaks down into two or more simpler substances • ^Uses symbols and subscripts to show the elements and number of atoms in a compound • ^The starting materials in a chemical reaction, written on the left side of the arrow • ...

photosythesis 2024-03-25

photosythesis crossword puzzle
Across
  1. a vascular tissue that responsible for sugar
  2. the substance which participate in chemical reaction
  3. what plants give off that we breath
  4. plant organelle that converts sunlight energy
  5. sugar
  6. a vascular tissue that transports water
Down
  1. a chemical reaction in plants
  2. the green pigment in plants
  3. the species formed from chemical reactions
  4. a clear gas that plants take in

10 Clues: sugar • the green pigment in plants • a chemical reaction in plants • a clear gas that plants take in • what plants give off that we breath • a vascular tissue that transports water • the species formed from chemical reactions • a vascular tissue that responsible for sugar • plant organelle that converts sunlight energy • the substance which participate in chemical reaction

Redox Crossword Room1 2021-08-23

Redox Crossword Room1 crossword puzzle
Across
  1. positively charged particles
  2. an atom that has a charge
  3. negatively charged particles
  4. gain of electrons
  5. the reaction between iron(III) and aluminium
Down
  1. combination of reduction and oxidation
  2. another name for burning
  3. loss of electron
  4. increases the rate of reaction
  5. non-metal elements from group 7
  6. absorbs energy
  7. releases energy
  8. substance resulting from a chemical reaction
  9. the transfer of electrons
  10. oxidation is loss reduction is gain

15 Clues: absorbs energy • releases energy • loss of electron • gain of electrons • another name for burning • an atom that has a charge • the transfer of electrons • positively charged particles • negatively charged particles • increases the rate of reaction • non-metal elements from group 7 • oxidation is loss reduction is gain • combination of reduction and oxidation • ...

Photosynthesis/Cellular Respiration TChapman 2021-09-16

Photosynthesis/Cellular Respiration TChapman crossword puzzle
Across
  1. reactant in photosynthesis also a waste product of aerobic respiration
  2. The end result of a chemical reaction
  3. A necessary ingredient for a chemical reaction
  4. A product of photosynthesis containing the stored chemical energy. A reactant of all types of respiration
  5. The stored chemical energy produced by respiration
  6. dioxide product of respiration
  7. The primary pigment contained in the grana for photosynthesis
  8. reactant of photosynthesis
  9. The process in which light energy is used to convert Carbon dioxide and Water into Glucose and Oxygen
  10. product of photosynthesis
  11. A waste product of anaerobic respiration that builds up and causes fatigue
Down
  1. The process in which sugar and oxygen react to produce Carbon dioxide, Water, and ATP (energy
  2. reactant in respiration
  3. the organelle that performs photosynthesis
  4. Without Oxygen
  5. The first step in all types of respiration. Occurs in the cytoplasm of the cell
  6. requires oxygen
  7. The energy source for photosynthesis
  8. The organelles that performs aerobic respiration. Powerhouse of the cell
  9. A waste product of photosynthesis. A reactant of aerobic respiration

20 Clues: Without Oxygen • requires oxygen • reactant in respiration • product of photosynthesis • reactant of photosynthesis • dioxide product of respiration • The energy source for photosynthesis • The end result of a chemical reaction • the organelle that performs photosynthesis • A necessary ingredient for a chemical reaction • The stored chemical energy produced by respiration • ...

CHEMICAL REACTIONS AND EQUATIONS 2022-07-18

CHEMICAL REACTIONS AND EQUATIONS crossword puzzle
Across
  1. Oxidation of fats and oils.
  2. Insoluble solid formed due to exchange of ions.
  3. Process in which metals are eaten up gradually by the action of air & moisture on their surface.
  4. Substances take part in chemical reaction.
  5. Hydrated Ferric Oxide
  6. Substance that is added to food containing fats and oils to prevent spoilage of food.
  7. Reaction in which an element displaces the other
  8. A type of decomposition reaction
Down
  1. Which gas is evolved at cathode during electrolysis of Water?
  2. Reaction that is used in black and white photography.
  3. Removal of hydrogen
  4. Calcium Hydroxide
  5. Dissolving sugar is an example of ___
  6. Respiration is an example of ____ reaction.
  7. Reaction in which oxidation and reduction takes place simultaneously.

15 Clues: Calcium Hydroxide • Removal of hydrogen • Hydrated Ferric Oxide • Oxidation of fats and oils. • A type of decomposition reaction • Dissolving sugar is an example of ___ • Substances take part in chemical reaction. • Respiration is an example of ____ reaction. • Insoluble solid formed due to exchange of ions. • Reaction in which an element displaces the other • ...

Christmas Chemistry Crossword Puzzle 2025-12-08

Christmas Chemistry Crossword Puzzle crossword puzzle
Across
  1. ^The starting materials in a chemical reaction, written on the left side of the arrow
  2. ^A rapid reaction between a substance and an oxidant, usually oxygen, producing heat and light
  3. ^Reaction where one element swaps places with another element in a compound; sometimes called single displacement
  4. ^Reaction where a single compound breaks down into two or more simpler substances
  5. ^The substances that are formed as a result of a chemical change, written on the right side of the arrow
Down
  1. ^Reaction where two ionic compounds exchange ions to form two new compounds; often forms a precipitate
  2. ^Reaction where two or more substances combine to form a more complex substance
  3. ^A chemical equation that shows the same number of atoms for each element on both sides of the arrow
  4. ^An insoluble solid that separates from a solution during a double replacement reaction
  5. ^Uses symbols and subscripts to show the elements and number of atoms in a compound

10 Clues: ^Reaction where two or more substances combine to form a more complex substance • ^Reaction where a single compound breaks down into two or more simpler substances • ^Uses symbols and subscripts to show the elements and number of atoms in a compound • ^The starting materials in a chemical reaction, written on the left side of the arrow • ...

Science Vocab 2025-02-06

Science Vocab crossword puzzle
Across
  1. an organism that feeds on other organisms
  2. energy of motion
  3. chemical formuals and symbols written to represent a reaction
  4. anything that has volume and mass
  5. positively charged particle in an atom
  6. the average energy of the particles in something
  7. a number placed in front of a chemical symbol to balance a chemical equation
  8. a substance produced during a chemical reaction
  9. smallest particle of matter
  10. energy transferred between two objects of different temperatures
  11. distinct forms of matter; solid, liquid, gas
  12. an organism that makes its own food
  13. negatively charged particle in an atom
  14. state of matter when atoms flow and have a definite volume but no definite shape
  15. particle in an atom with no charge
  16. simplest unit of a chemical compound, formed when two or more atoms bond together
  17. a measure of how much matter is in something
  18. nonliving things in an ecosystem
  19. characteristics that can only be observed during a chemical change
  20. state of matter when atoms spread out freely and have no definite shape or volume
  21. all living things in an ecosystem
Down
  1. a single substance with definite composition and properties
  2. when substances interact to form new substances
  3. resources that can be replaced by natural processes within a lifetime
  4. the total energy of the particles in something
  5. characteristics that can be observed without changing the substance
  6. organisms fighting to get the same resource
  7. a substance that takes part in and undergoes change during a reaction
  8. resources resources that are limited and cannot be replaced in lifetime
  9. building blocks of all matter; made up of one type of atom
  10. all of the biotic and abiotic factors in an area, and the interactions among them
  11. state of matter when atoms are packed closely together
  12. to prevent the loss of something
  13. all the members of one species living in a certain area
  14. states that matter cannot be created nor destroyed

35 Clues: energy of motion • smallest particle of matter • to prevent the loss of something • nonliving things in an ecosystem • anything that has volume and mass • all living things in an ecosystem • particle in an atom with no charge • an organism that makes its own food • positively charged particle in an atom • negatively charged particle in an atom • ...

Chemisty 2023-10-29

Chemisty crossword puzzle
Across
  1. How something may look
  2. bonding the formation of a bond between two or more atoms,
  3. a substance made by mixing other substances together.
  4. point the temperature at which a given solid will melt.
  5. a substance formed from the combination of two or more metals
  6. The process by which green plants and some other organisms use sunlight to synthesize nutrients from carbon dioxide and water.
  7. occurs in the cells of all living organisms. It reacts oxygen and sugar to produce carbon dioxide and water
  8. two or more elements that have chemically joined together.
  9. It is shiny or dull
  10. conductivity it allows electricity to flow through it
  11. A hard solid that normally melts at high temperatures.
  12. the quality of being pliable and flexible
  13. occurs when bonds are broken and/or formed between molecules or atoms
  14. A substance where atoms are spread out
  15. A substance where atoms are less compact
  16. a chemical process in which substances act mutually on each other and are changed into different substances, or one substance changes into other substances.
Down
  1. the smallest particle of a chemical element that can exist.
  2. a slow chemical reaction between metals and oxygen to produce a metal oxide
  3. a chemical reaction with a Hydrocarbon and Oxygen
  4. anything that takes up space and can be weighed
  5. the quality or state of being strong
  6. the degree of compactness of a substance.
  7. a group of atoms bonded together
  8. the branch of science concerned with the substances of which matter is composed, the investigation of their properties and reactions,
  9. an essential or characteristic part of something abstract.
  10. A hard substance with compact atoms
  11. You can flatten it with a hammer into a thin sheet or squish.
  12. the condition of the system at a given time
  13. reaction he processes by which chemicals interact to form new chemicals with different compositions
  14. a chemical substance, usually a liquid, which contains hydrogen and can react with other substances to form salts.

30 Clues: It is shiny or dull • How something may look • a group of atoms bonded together • A hard substance with compact atoms • the quality or state of being strong • A substance where atoms are spread out • A substance where atoms are less compact • the degree of compactness of a substance. • the quality of being pliable and flexible • the condition of the system at a given time • ...

Chapter 16 2014-12-14

Chapter 16 crossword puzzle
Across
  1. A substance that slows down a chemical reation.
  2. A substance formed as a result of a chemical change; substance to the right of a yield sign in an equation.
  3. Insoluble substnace that crystallizes out of a solution.
  4. The sum of the average atomic masses of the atoms in a molecule.
  5. A chemical change in which a substance breaks down or decomposes into other substances.
  6. The number places in front of a symbol or formula; used in balancing chemical equations.
  7. Energy is released or given off.
  8. Sum of the average atomic mass of the atoms or ion present in the formula of a compound.
  9. Energy is taken in or absorbed.
  10. The positive part of one compound unites with the negative part of another compound.
Down
  1. A chemical change in which two or more elements or compounds unite to form a compound.
  2. One element displaces another from a compound.
  3. A shorthand description of a chemical reaction; tells the reactants and products and their ratios.
  4. An inhibitor; slows down decay by retarding the processes that cause decay.
  5. A substance that undergoes a chemical changel substance to the left of a yield sign in an equation.
  6. A substance that increases the rate of a chemical reaction without being permanently changed itself.

16 Clues: Energy is taken in or absorbed. • Energy is released or given off. • One element displaces another from a compound. • A substance that slows down a chemical reation. • Insoluble substnace that crystallizes out of a solution. • The sum of the average atomic masses of the atoms in a molecule. • ...

Chemistry 2023-01-10

Chemistry crossword puzzle
Across
  1. reaction, One compound breaks down into two or more simpler compounds or elements.
  2. formula, A group of letters and subscript numbers that represent the make-up of chemical compounds.
  3. An atom or a group of atoms that has an electrical charge either positive or negative.
  4. displacement reaction, one element takes the place of another element in a compound.
Down
  1. Reduced in concentration by being mixed with a liquid such as water. (H20)
  2. reaction, Two or more reactants combine to produce a new product.
  3. New substances produced in a chemical reaction.
  4. reactions, A change in matter that produces new substances with new properties.
  5. Substance that react together in a chemical reaction.
  6. displacement reaction, The metal ions of two different compounds exchange places.

10 Clues: New substances produced in a chemical reaction. • Substance that react together in a chemical reaction. • reaction, Two or more reactants combine to produce a new product. • Reduced in concentration by being mixed with a liquid such as water. (H20) • reactions, A change in matter that produces new substances with new properties. • ...

Types of Reactions 2025-04-27

Types of Reactions crossword puzzle
Across
  1. Most reactive metal in the reactivity series
  2. Colour of CuSO4
  3. Type of reaction which produces a precipitate
  4. Colour of the precipitate formed in the D.D reaction of Lead Nitrate and Sodium Sulphate
  5. Reaction where heat is absorbed
  6. Least reactive metal in the reactivity series
  7. Chemical formula for Marble
Down
  1. 2 or more substances combine to form a single substance
  2. Type of Decomposition reaction used to break down AgCl
  3. AB→A+B
  4. Addition of Oxygen or removal of Hydrogen from a substance
  5. Reaction where heat is released
  6. CaO is also known as _____
  7. Addition of Hydrogen or removal of Oxygen from a substance
  8. Reaction in which Oxidation and Reduction take place simultaneously

15 Clues: AB→A+B • Colour of CuSO4 • CaO is also known as _____ • Chemical formula for Marble • Reaction where heat is released • Reaction where heat is absorbed • Most reactive metal in the reactivity series • Type of reaction which produces a precipitate • Least reactive metal in the reactivity series • Type of Decomposition reaction used to break down AgCl • ...

Chem 2022-11-17

Chem crossword puzzle
Across
  1. A charged atom.
  2. Molecules that cause a chemical reaction when combined resulting in products.
  3. A molcule formed between two non-metal atoms.
  4. The product of two or more reactants.
  5. A molecule consisting of more than one type of atom.
  6. A molcule formed between a non-metal atom and a metal atom.
  7. when one reactant brekas down into two or more products.
  8. When two compounds exchange ions to form two new products with the same ions.
Down
  1. When one element replaces another in a compound resulting in a different product.
  2. The number placed in front of atoms in order to balance the equation
  3. an molcule that needs two atoms of the same element.
  4. The number that tells you the amount of atoms of a single element are in the molecule.
  5. A chemical reaction in which a substance burns when added to oxygen.
  6. The result of a chemical reaction.

14 Clues: A charged atom. • The result of a chemical reaction. • The product of two or more reactants. • A molcule formed between two non-metal atoms. • an molcule that needs two atoms of the same element. • A molecule consisting of more than one type of atom. • when one reactant brekas down into two or more products. • A molcule formed between a non-metal atom and a metal atom. • ...

CHANGES AROUND US 2019-06-11

CHANGES AROUND US crossword puzzle
Across
  1. a change in which a new substance is formed
  2. the energy required to start a chemical reaction
  3. some chemical changes require the presence of another substance which itself does not undergo any change
  4. the substance formed after a chemical reaction
  5. we get this when we burn something
  6. initial substances after a chemical reaction
Down
  1. a change in which no new substance is formed
  2. the increase in size of matter on heating
  3. the decrease in size of matter on cooling

9 Clues: we get this when we burn something • the increase in size of matter on heating • the decrease in size of matter on cooling • a change in which a new substance is formed • a change in which no new substance is formed • initial substances after a chemical reaction • the substance formed after a chemical reaction • the energy required to start a chemical reaction • ...

Chemistry Review 2025-02-12

Chemistry Review crossword puzzle
Across
  1. the smallest amount of an individual element you can have
  2. this property of a substance tells us whether it is a solid or liquid at room temperature
  3. during this type of change, the size and shape of something is changed
  4. these are subatomic particles found in the nucleus that have NO electrical charge
  5. the smallest amount of a compound is one
  6. during this type of change a completely new substance is formed
  7. the substances that go into a chemical reaction on the left side of a chemical equation
  8. this number tells us the number of protons plus the number of neutrons
  9. this property of a substance tells us whether it is a liquid or a gas at room temperature
  10. elements in the same group/family have similar chemical and physical
  11. a tool you can use to separate Iron from other substances
Down
  1. these are subatomic particles found outside the nucleus of an atom and has a negative charge
  2. what is produced in a chemical reaction and found on the right side of a chemical reaction
  3. Salt water is this type of mixture because it looks the same throughout
  4. pure individual substances which is the ingredients to everything in the universe
  5. this is the universal solvent because it is the base of almost every liquid solution
  6. salad is this type of mixture because you can see the individual parts
  7. these types of substances are good conductors of heat and electricity
  8. two or more different elements chemically combined
  9. a mixture of metals melted into each other
  10. in group eight we have a collection of very unreactive gases like Neon which we call the
  11. these are subatomic particles found inside the nucleus of an atom and have a positive charge
  12. this number on the P.T.O.E tells us the number of protons and electrons in an atom

23 Clues: the smallest amount of a compound is one • a mixture of metals melted into each other • two or more different elements chemically combined • the smallest amount of an individual element you can have • a tool you can use to separate Iron from other substances • during this type of change a completely new substance is formed • ...

Chemistry Crossword 2025-04-15

Chemistry Crossword crossword puzzle
Across
  1. Mixture in which one substance is evenly mixed with another substance
  2. a substance containing only one type of atom;it cannot be broken down into another substance, in a chemical reaction
  3. an insoluble chemical produced during a chemical reaction
  4. Use of chemical to make the particles in a suspension clump together
  5. Suspension of two liquids
  6. Substance in which solute dissolves
  7. suspension in which the particles are permanently suspended
  8. A substance that can be dissolved in a solvent to make a solution
  9. Is a material formed by chemically bonding two or more chemical elements
  10. Neither acidic or basic
  11. A reaction with acid that gives water as well as salt
  12. Solution form when a solute dissolves in a solvent
Down
  1. Two or more substances that have been mixed together but not chemically combined
  2. A charge atoms or group of atoms formed by the gain or loss of one or more electrons
  3. Able to dissolve
  4. Smallest part of a substance that has all the properties of the substance matter
  5. Term for a weak solution
  6. A measure of how fast or slow something is
  7. Material that blocks light
  8. Substance that react with metals to release hydrogen
  9. Substance formed when metals react with water
  10. Term for a strong solution
  11. Metals that have the physical property of being softer than most metals, light than most metals (low density), and low melting points
  12. cloudy mixture of two or more substances that settle on standing
  13. Go into solution
  14. Negative ion is made up of one atom of hydrogen and one atom of oxygen
  15. Paper that can be used to identify an acid or base
  16. Not able to dissolve
  17. Chemical formula NaCL
  18. elements are made up atoms, which contains protons, neutrons, and electrons
  19. Substance that changes color in acids and bases

31 Clues: Able to dissolve • Go into solution • Not able to dissolve • Chemical formula NaCL • Neither acidic or basic • Term for a weak solution • Suspension of two liquids • Material that blocks light • Term for a strong solution • Substance in which solute dissolves • A measure of how fast or slow something is • Substance formed when metals react with water • ...

CARBON COMPOUND 2019-10-13

CARBON COMPOUND crossword puzzle
Across
  1. Alkene contains carbon-carbon ________ bond
  2. ________ are compounds with the same molecular formula but different structural formulae
  3. Main sources of hydrocarbon is coal, natural gas and ________
  4. Carboxylic Acids are ________ acid.
  5. Fermentation is the chemical process which microorganism such as yeast act on carbohydrate to produce ________ and carbon dioxide.
  6. ________ hydrocarbon produce less soot during combustion
  7. ________ are saturated hydrocarbon
  8. Halogenation is reaction between alkane and chlorine under ________
  9. unsaturated hydrocarbon decolourise brown colour of ________
  10. Vulcanization is a process whereby rubber is reacted with ________ to improved its properties
Down
  1. polymerisation is a process of combining ________ molecules together in a chemical reaction to form polymer chains
  2. This reaction is called the ________ reaction.
  3. Coagulation of latex can be prevented by adding ________ to it
  4. ________ has six carbon in a compound
  5. Alcohols are compounds in which one or more ________ atoms in an alkane have been replaced by an -OH group.
  6. Esters are produced when carboxylic acid reacts with alcohol in the presence of concentrated ________ acid as a catalyst.
  7. Alkene are held together by (Van-der ________) forces
  8. When ________ is heated and alkene and water is produced, the process is called dehydration
  9. Alcohol can be used as beverage, ________, solvent, antiseptic

19 Clues: Carboxylic Acids are ________ acid. • ________ are saturated hydrocarbon • ________ has six carbon in a compound • Alkene contains carbon-carbon ________ bond • This reaction is called the ________ reaction. • Alkene are held together by (Van-der ________) forces • ________ hydrocarbon produce less soot during combustion • ...

Exo/Endo 2025-02-13

Exo/Endo crossword puzzle
Across
  1. Has definite volume but no definite shape
  2. Distinct forms of matter
  3. Take part and undergoes change during a chemical reaction
  4. Has definite volume and shape
  5. Also known as thermal energy
  6. Heat is released
Down
  1. The simplest unit of a chemical compound
  2. Has indefinite volume and shape
  3. Heat is absorbed
  4. A substance produced during a chemical reaction

10 Clues: Heat is absorbed • Heat is released • Distinct forms of matter • Also known as thermal energy • Has definite volume and shape • Has indefinite volume and shape • The simplest unit of a chemical compound • Has definite volume but no definite shape • A substance produced during a chemical reaction • Take part and undergoes change during a chemical reaction

Unit 2 Chemistry of Life Review 2023-10-24

Unit 2 Chemistry of Life Review crossword puzzle
Across
  1. required to start a chemical reaction
  2. water is able to move up through thin tubes
  3. spontaneous type of reaction
  4. monomer of proteins
  5. substance doing the dissolving
  6. monomer of nucleic acids
  7. substance with low concentration of H+ ions
  8. water molecules stick to themselves
  9. monomer of carbohydrates
  10. this + fatty acid make up the monomer of lipids
  11. differ in number of neutrons
  12. type of enzyme reaction in which molecules are broken apart
  13. form bones/muscles and transports materials
  14. fill outermost energy level
  15. water molecules are attracted to other molecules
  16. type of bond where two slightly charged molecules are attracted to each other
  17. type of enzyme reaction in which molecules are joined together
  18. carbon has this many valence electrons; allows it to form many bonds
  19. positively charged
Down
  1. number of protons
  2. speeds up the rate of reaction
  3. number of protons + neutrons
  4. provide short term energy
  5. created when one substance is dissolved in another
  6. proteins that are catalysts which speed up chemical reactions by lowering activation energy
  7. water is considered to be a ____ _____ because it dissolves many solutes
  8. store genetic information
  9. substance with high concentration of H+ ions
  10. uneven distribution of charge
  11. provide long term energy storage
  12. substance being dissolved
  13. in outer energy levels; negatively charged
  14. type of bond where electrons are transferred from one atom to another
  15. two or more elements combined
  16. type of bond where electrons are shared between two atoms
  17. neutral (zero) charge
  18. non-spontaneous type of reaction

37 Clues: number of protons • positively charged • monomer of proteins • neutral (zero) charge • monomer of nucleic acids • monomer of carbohydrates • provide short term energy • store genetic information • substance being dissolved • fill outermost energy level • number of protons + neutrons • spontaneous type of reaction • differ in number of neutrons • uneven distribution of charge • ...

Space Unit 2025-05-08

Space Unit crossword puzzle
Across
  1. A very young star that has not started fusion yet. The second step in the life of a star.
  2. A compressed ball of hot gas in space.
  3. A large cloud in space where stars are formed. The first step in the life of a star.
  4. The right side of a chemical reaction. What we start with.
  5. The color of star that is the hottest.
  6. The left side of a chemical reaction. What we are making.
  7. The first planet in the solar system.
  8. The type of reaction where two things are broken apart.
  9. The type of reaction where ONE element switches places.
  10. The fourth planet in the solar system. Also known as "The Red Planet".
Down
  1. The sixth planet in the solar system. Known for its large rings
  2. The eight planet in the solar system. Named after the Roman god of the sea.
  3. A smaller object that orbits around a planet. The Earth has one.
  4. The type of reaction where TWO elements switch places.
  5. A large object moving in an orbit around a star. One example is the Earth.
  6. The end of a stars life, where it collapses into something so dense, not even light can escape it.
  7. The type of reaction where two things are combined.
  8. The fifth planet in the solar system. Also the largest.
  9. A large explosion caused when a particularly large star dies.
  10. The second planet in the solar system. Named after the roman god of beauty and love
  11. The color of star that is the coldest.

21 Clues: The first planet in the solar system. • A compressed ball of hot gas in space. • The color of star that is the hottest. • The color of star that is the coldest. • The type of reaction where two things are combined. • The type of reaction where TWO elements switch places. • The fifth planet in the solar system. Also the largest. • ...

Aromatic Chemistry 2021-10-27

Aromatic Chemistry crossword puzzle
Across
  1. Which 5-memebered heterocyclic compound is most reactive in Electrophilic aromatic substitution reactions?
  2. A group that that increases the rate of a reaction of a benzene ring and directs incoming substituent to ortho or Para position is-
  3. tetrafluoroborate-In the nitration reaction, what is the other reagent that can be used instead of nitric acid and sulphuric acid at very low temperatures?
  4. halides-Compounds that do not react with benzene without a catalyst (Lewis acid catalyst e.g., FeBr3) present.
  5. A chemical specie that forms a chemical bond by donating its pair of electrons.
  6. groups (electron withdrawing groups) dictate their substituents to which position on the benzene ring?
  7. One of the rules of aromaticity is that aromatic compounds must be what geometry-
  8. Which reduction reaction reduces a carbonyl unit to CH2 under acidic conditions?
  9. bromide- What catalyst is added to enable a reaction between a benzene ring and molecular bromine?
Down
  1. A benzene mono-substituted with NO2 causes a relatively slow reaction of the benzene ring. What substituent group is NO2?
  2. - A substituent compound or molecule that is at position 2 to the main functional group on an aromatic compound is at what position
  3. The product between nitrile and azide ion is
  4. Acid- Oxidation of alkyl benzene with Potassium permanganate give rise to?
  5. The reaction between diazonium ion and cuprous salt is called
  6. Benzene is more comfortable to undergo what type of substitution reaction
  7. -A Friedel – Craft reaction that causes a straight alkyl side chain to a benzene followed by the loss of (C=O).
  8. rule - A formulaic factor that is used to determine if a compound is aromatic
  9. isomerism Tautomerism is also known as what?

18 Clues: The product between nitrile and azide ion is • isomerism Tautomerism is also known as what? • The reaction between diazonium ion and cuprous salt is called • Benzene is more comfortable to undergo what type of substitution reaction • Acid- Oxidation of alkyl benzene with Potassium permanganate give rise to? • ...

Chemical World 2024-03-04

Chemical World crossword puzzle
Across
  1. a mixture of two or more metals
  2. an acid that ionises completely in water
  3. exothermic reaction within cells that releases energy for the body’s use
  4. the number of particles in a given volume
  5. reaction a reaction involving an acid and a base to produce water and a salt
  6. not planned
  7. an ion that does not take part in the reaction
  8. in the presence of oxygen
  9. an acid that partially ionises (loses or gains electrons) in water
  10. to wear down a substance
  11. a biological catalyst that increases the rate of reactions in cells
Down
  1. a reaction that absorbs energy in the form of heat
  2. a compound made up of only hydrogen and carbon
  3. an insoluble product
  4. a reaction taking place in the presence of oxygen
  5. change from one form to another
  6. a reaction that involves burning in the presence of oxygen to release heat
  7. a compound made up of carbon and hydrogen
  8. a substance containing the elements carbon and oxygen
  9. to split apart into ions
  10. energy of motion
  11. distributed throughout a fluid
  12. in the absence of oxygen
  13. an exothermic reaction requiring the presence of oxygen
  14. substance that speeds up a chemical reaction
  15. a reaction that releases energy in the form of heat
  16. dissolved in water to create a solution

27 Clues: not planned • energy of motion • an insoluble product • to split apart into ions • in the absence of oxygen • to wear down a substance • in the presence of oxygen • distributed throughout a fluid • a mixture of two or more metals • change from one form to another • dissolved in water to create a solution • an acid that ionises completely in water • ...

8th Grade Review 2023-12-08

8th Grade Review crossword puzzle
Across
  1. Atoms are mostly made of this
  2. When heat is added, molecules move ____
  3. Material that comes from the Earth or natural resources
  4. Mass per unit volume
  5. Positively charged subatomic particles
  6. Process that changes liquids to solids
  7. Atoms on the left side of a chemical reaction
  8. Process that changes solids to liquids
  9. Material that is manmade in some way
  10. State of matter with molecules most tightly packed
Down
  1. State of matter with molecules most spread out
  2. Number that signifies the number of protons and neutrons in an atom
  3. Negatively charged subatomic particles
  4. An atom with an unequal number of protons and neutrons
  5. Atoms on the right side of a chemical reaction
  6. A chemical equation with equal molecules on both sides
  7. Two Hydrogen atoms bonded with one oxygen atom forms this molecule

17 Clues: Mass per unit volume • Atoms are mostly made of this • Material that is manmade in some way • Negatively charged subatomic particles • Positively charged subatomic particles • Process that changes liquids to solids • Process that changes solids to liquids • When heat is added, molecules move ____ • Atoms on the left side of a chemical reaction • ...

chemical Engineering 2024-02-19

chemical Engineering crossword puzzle
Across
  1. The science and technology of extracting metals from their ores, refining them, and preparing them for use
  2. The measure of water vapor content in the air, often expressed as a percentage of the maximum amount that the air could hold at the given temperature
  3. A device or system used to transfer heat between two or more fluids at different temperatures, often used in industrial processes
  4. A type of chemical bond formed between ions of opposite charges, typically involving the transfer of electrons
  5. A substance that increases the rate of a chemical reaction by providing an alternative reaction pathway with lower activation energy
  6. Having uniform physical properties in all directions, often used to describe materials or substances
  7. A synthetic polymer with a wide range of applications, including textiles, plastics, and engineering materials
  8. A quantitative relationship between reactants and products in a chemical reaction, often involving mole ratios
  9. Large, complex molecules essential for life processes, including proteins, nucleic acids, carbohydrates, and lipids
  10. The fourth state of matter, consisting of ionized gas exhibiting collective behavior
  11. The branch of mechanics concerned with the motion of bodies under the action of forces
  12. The process of separating the components of a mixture based on differences in their volatilities, typically involving heating and condensation
Down
  1. The process of reducing materials to small particles by crushing or grinding
  2. A thermodynamic process or system in which no heat is exchanged with the surroundings
  3. The branch of chemistry and physics concerned with the rates of chemical reactions and the factors that influence them
  4. A laboratory technique used to separate and analyze mixtures of compounds based on their differential migration through a stationary phase under the influence of a mobile phase
  5. The pressure exerted by a vapor in equilibrium with its liquid phase at a given temperature
  6. A chemical reaction involving the loss of electrons by a substance, often accompanied by the addition of oxygen or the removal of hydrogen
  7. Molecules that have the same molecular formula but different structural arrangements, resulting in different chemical and physical properties
  8. State of matter characterized by its ability to flow and conform to the shape of its container, with a fixed volume but no fixed shape

20 Clues: The process of reducing materials to small particles by crushing or grinding • The fourth state of matter, consisting of ionized gas exhibiting collective behavior • A thermodynamic process or system in which no heat is exchanged with the surroundings • The branch of mechanics concerned with the motion of bodies under the action of forces • ...

Key words for reactions and practical work 2019-11-06

Key words for reactions and practical work crossword puzzle
Across
  1. the number of particles per unit volume
  2. the number of collisions taking place per unit time
  3. a substance that speeds up a chemical reaction but remains chemically unchanged itself at the end of the reaction
  4. has a value represented by words, shown with a line graph
  5. the variable that you change or measure
  6. a collision between particles that leads to a reaction
  7. a measurement close to the true value
  8. an explanation of chemical reactions in terms of reacting particles colliding with sufficient energy for a reaction to take place
  9. the amount of product formed, or reactant used up, over time
  10. a variable that must not change during an experiment, otherwise, the results are invalid
  11. a poor measurement, usually seen as an anomalous result
Down
  1. the ‘exterior’ of a solid that can react with other substances
  2. the minimum energy needed for a reaction to take place. Often shortened to Ea
  3. a collision between particles that does not lead to a reaction
  4. has a value represented by numbers, shown with a bar chart
  5. the variable that you measure
  6. a result that is clearly different from the expected pattern
  7. measurements in which there is very little spread about the mean value
  8. a problem with the apparatus as the results are precise, but not accurate
  9. 1/s
  10. if another person repeats your experiment in the same way, or if you repeat using different equipment or techniques and the same results are obtained
  11. if you repeat your experiment using the same method and equipment and obtain the same results

22 Clues: 1/s • the variable that you measure • a measurement close to the true value • the number of particles per unit volume • the variable that you change or measure • the number of collisions taking place per unit time • a collision between particles that leads to a reaction • a poor measurement, usually seen as an anomalous result • ...

Chapter 6 & 7 2023-11-03

Chapter 6 & 7 crossword puzzle
Across
  1. new substances formed as a result of a chemical reaction
  2. the force that holds atoms or ions together as a unit
  3. a diagram of an atom, ion or molecule in which each dot represents a valence electron
  4. a representation of a chemical reaction in which the reactants and products are expressed as formulas
  5. a neutral group of atoms that are joined together by one or more covalent bonds
  6. a chemical bond in which two atoms share a pair of valence electrons
Down
  1. notation that shows what elements a compound contains and the ratio of the atoms or ions of these elements in the compound
  2. numbers that appear before a formula in a chemical equation to show the relative proportions of each reactant and product
  3. an atom or group of atoms that has a positive or negative charge
  4. a mixture of two or more elements, at least one of which is a metal, that has the characteristic properties of a metal
  5. a substance that undergoes change in a chemical reaction
  6. an ion with a positive charge
  7. the attraction between a metal cation and the shared electrons that surround it
  8. an ion with a negative charge
  9. the force that holds cations and anions together

15 Clues: an ion with a positive charge • an ion with a negative charge • the force that holds cations and anions together • the force that holds atoms or ions together as a unit • new substances formed as a result of a chemical reaction • a substance that undergoes change in a chemical reaction • an atom or group of atoms that has a positive or negative charge • ...

Max's Alcohol Crossword 2021-12-05

Max's Alcohol Crossword crossword puzzle
Across
  1. drug that slows central nervous system
  2. Poisoning, severe reaction to alcohol
  3. chemical reaction of yeast and sugars
  4. without alcohol
  5. Body, benefit of living drug free
  6. Alcoholic's Anonymous
  7. Dependence, condition where user has a chemical need for a drug
  8. stage 3 of alcoholism
  9. Abuse,excessive use of alcohol
  10. type of alcohol in alcoholic beverages
  11. stage 1 on alcoholism
  12. stage 2 of alcoholism
Down
  1. disease in which person has a dependency on alcohol
  2. Drinking, drinking five or more alcoholic drinks in one sitting
  3. state in which body is poisoned by alcohol
  4. Dependence, state in which believes a drug is need to function normally
  5. addict who is dependent on alcohol
  6. Blood Alcohol Concentration
  7. Fetal Alcohol Syndrome
  8. process of learning to live drug free

20 Clues: without alcohol • Alcoholic's Anonymous • stage 3 of alcoholism • stage 1 on alcoholism • stage 2 of alcoholism • Fetal Alcohol Syndrome • Blood Alcohol Concentration • Abuse,excessive use of alcohol • Body, benefit of living drug free • addict who is dependent on alcohol • Poisoning, severe reaction to alcohol • chemical reaction of yeast and sugars • ...

Chemistry Of Life 2013-08-24

Chemistry Of Life crossword puzzle
Across
  1. One particular type of atom and it can not be broken down into a simpler substance by ordinary chemical means
  2. Bond forms when atoms share a pair of electrons
  3. The attraction among molecules of different substances
  4. The specific reactants that an enzyme acts on
  5. Each subunit in the complete molecule.
  6. The attraction among molecules of a substance
  7. A solutions acidity or H+ ion concentration
  8. Is a polymer made of monomers called amino acids
  9. acids Polymers that are made up of monomers called nucleotides
  10. Is reached when both the reactants and products are made at the same rate
Down
  1. The substances changed during a chemical reaction
  2. Catalysts for chemical reactions in living things
  3. Chemical reaction absorbs more energy than it releases
  4. The amount of energy that will break a bond between two atoms
  5. Is a large molecule, or macromolecule, made of many monomers bonded together
  6. Bond forms through the electrical force between oppositely changed ions
  7. Substance that is present in the greater amount and that dissolves another substance

17 Clues: Each subunit in the complete molecule. • A solutions acidity or H+ ion concentration • The specific reactants that an enzyme acts on • The attraction among molecules of a substance • Bond forms when atoms share a pair of electrons • Is a polymer made of monomers called amino acids • The substances changed during a chemical reaction • ...

Chemistry 5.02 2022-05-28

Chemistry 5.02 crossword puzzle
Across
  1. has a pH of 7
  2. element found in all acids
  3. used to check pH level, indicator
  4. ions found in a alkali solution
  5. chemical symbol K
  6. pH above 7
  7. bond which consists of sharing electrons
  8. high concentration in a solution
  9. main topic key word
  10. chemical symbol NH
Down
  1. pH less than 7
  2. a mixture
  3. color acid becomes on the pH scale
  4. ions found in a acid solution
  5. color alkali becomes on the pH scale
  6. low concentration in a solution
  7. word used when something happens in a experiment
  8. way to know if it is a alkali solution
  9. bond which includes electrostatic attraction
  10. chemical symbol Na
  11. chemical symbol Ca

21 Clues: a mixture • pH above 7 • has a pH of 7 • pH less than 7 • chemical symbol K • chemical symbol Na • chemical symbol Ca • chemical symbol NH • main topic key word • element found in all acids • ions found in a acid solution • ions found in a alkali solution • low concentration in a solution • high concentration in a solution • used to check pH level, indicator • ...

ECM Vocabulary Review 2014-04-28

ECM Vocabulary Review crossword puzzle
Across
  1. Elements and compounds are both __ substances
  2. Fizzing and foaming and change in temperature are signs that a __ change is occurring
  3. Gets credit for organizing the Periodic Table
  4. Particle in an atom with a negative charge
  5. A reaction that produces and gives off heat
  6. Found on the Periodic Table
  7. Law that states that in a closed system, the mass before a change occurs will equal the mass after the change
  8. The new substances formed during a chemical reaction are called __
  9. Two or more elements chemically joined in a specific ratio
  10. Smallest unit of a compound that maintains the properties of the compound
Down
  1. Density and malleability are examples of __ properties
  2. Two or more elements and/or compounds NOT chemically combined
  3. Is equal to the number of protons in an atom
  4. A property that is unique to a substance and can be used to identify the substance
  5. A reaction that uses heat energy and therefore feels cool
  6. Particle in an atom with a positive charge
  7. Smallest unit of an element that maintains the properties of the element
  8. The substances on the left side of a chemical equation are called __

18 Clues: Found on the Periodic Table • Particle in an atom with a positive charge • Particle in an atom with a negative charge • A reaction that produces and gives off heat • Is equal to the number of protons in an atom • Elements and compounds are both __ substances • Gets credit for organizing the Periodic Table • Density and malleability are examples of __ properties • ...

Enzyme Choice 2021-10-22

Enzyme Choice crossword puzzle
Across
  1. bond linking 2 amino acids
  2. the type of molecules enzymes are
  3. building block of protein
  4. region on an enzyme that binds to a protein
  5. change in the free energy is positive
  6. analogy for substrate combining w/ substrate
  7. enzyme-substrate _______
Down
  1. a molecule upon which an enzyme acts
  2. catalyst for an enzyme reaction
  3. first component of an enzyme reaction
  4. catalyst to bring about a chemical reaction
  5. result of an enzyme reaction
  6. change in the free energy is negative
  7. the enzyme that breaks down lactose
  8. denatured proteins change _______

15 Clues: enzyme-substrate _______ • building block of protein • bond linking 2 amino acids • result of an enzyme reaction • catalyst for an enzyme reaction • the type of molecules enzymes are • denatured proteins change _______ • the enzyme that breaks down lactose • a molecule upon which an enzyme acts • first component of an enzyme reaction • change in the free energy is negative • ...

Chemistry Crossword 2017-11-15

Chemistry Crossword crossword puzzle
Across
  1. the smallest part of an element that is representative of that element; a neutral particle made up of a nucleus containing protons and neutrons, and in which the number of electrons equals the number of protons
  2. invisible negatively charged particle that orbits the nucleus of an atom
  3. description of substance that can be pounded or rolled into sheets
  4. compound that dissolves in water to form a solution with a pH higher than 7
  5. substance that strongly resists the flow of energy
  6. a reaction that takes place when 2 or more substances react to form new substances
  7. colourless, odourless gas; produced by incomplete combustion of chemicals containing carbon (e.g. hydrocarbons); major source: motor vehicles
  8. chemical reaction that absorbs energy
  9. measure of atomic mass; 1 amu is equal to 1/12th the mass of a carbon 12 atom
  10. catalyst involved in chemical reactions in living things
  11. mass of one atom of an element calculated from the total number of protons, neutrons, and electrons of that atom; measured in atomic mass units (amu)
  12. creation of electrical current
  13. ability to do work
Down
  1. description of a solid that can be stretched into a long wire
  2. pure substance that cannot be broken down into other substances; substance made up of only 1 type of atom
  3. change of state from liquid to a gas
  4. group 2 elements in the periodic table; their reactivity is not as strong as that of the alkali metals
  5. change that results when 2 or more substances react to create a different substance or substances; the new substances have completely different properties from the original ones
  6. combination of symbols that represent a compound; the formula identifies the elements in the compound and the amount of each element
  7. an experiment in which all reactants and all products of a chemical reaction are accounted for
  8. group 1 elements in the periodic table, not including hydrogen; the most reactive of the metals
  9. chemical combination of 2 or more elements in a specific ratio
  10. chemical reaction that releases energy
  11. number of protons in the nucleus of one atom of an element

24 Clues: ability to do work • creation of electrical current • change of state from liquid to a gas • chemical reaction that absorbs energy • chemical reaction that releases energy • substance that strongly resists the flow of energy • catalyst involved in chemical reactions in living things • number of protons in the nucleus of one atom of an element • ...

CH1&2 Biology Crossword 2023-09-11

CH1&2 Biology Crossword crossword puzzle
Across
  1. One of the four types of biological macromolecules; the nucleic acids DNA and RNA store genetic information in unique sequences of nucleotides. (2 words)
  2. A bond formed by two atoms sharing electrons. (2 words)
  3. Liquid at room temperature and is found in plant fats, fish, and vegetable oils. (2 words)
  4. A lipid similar in structure to fats but only has one long-chain fatty acid linked to the glycerol head of the molecule; because the fatty acid chain is highly nonpolar, these are strongly hydrophobic.
  5. Knowledge based on experience and observations that are rational, testable, and repeatable.
  6. A functional group characterized by a carbon atom double-bonded to one oxygen atom and single-bonded to another. (2 words)
  7. A chemical within a cell that binds to an enzyme or substrate molecule and in doing so reduces the enzyme's ability to catalyze a reaction.
  8. A chemical within a cell that binds to part of an enzyme away from the active site, but alters the enzyme's shape so as to alter the active site, thereby reducing or blocking the enzyme's ability to bind with substrate. (2 words)
  9. A hypothesis that states a lack of relationship between cause and effect. (2 words)
  10. Disruption of protein folding/unfolding a protein.
  11. The fats in most foods we eat. 3 fatty acids joined to glycerol.
  12. A chemical within a cell that binds to an enzyme, altering the enzyme's shape or structure in a way that causes the enzyme to catalyze a reaction.
  13. A covalent bond between amine group (NH2) of one amino acid and a carboxyl group (COOH) of another.
  14. Otherwise known as "local folding." Folding along short sections of a polymer. (2 words)
  15. An atom that has extra neutrons or fewer neutrons than the number of protons.
  16. The molecule on which an enzyme acts. The active site on the enzyme binds to this, initiating a chemical reaction.
  17. A bond formed between a hydrogen atom in one molecule and another atom (often oxygen or nitrogen atom) in another molecule. (2 words)
  18. A lipid important in regulating growth and development.
  19. The part of an enzyme to which reactants (or substrates) bind and undergo a chemical reaction. (2 words)
  20. Weak acids or bases that react with strong acids or bases to prevent sharp, sudden changes in pH (neutralization).
  21. Large web of molecules that stored glucose molecules are linked together to form.
Down
  1. Any atom with a positive or negative charge.
  2. Formed when large numbers of simple sugars are bonded together.
  3. Otherwise known as "whole molecule folding." The complex 3D shape formed by multiple twists and bends in the polypeptide chain. (2 words)
  4. A chemical within a cell that binds to the active site of an enzyme, blocking substrate molecules from the site and thereby reducing the enzyme's ability to catalyze a reaction. (2 words)
  5. The sequence of amino acids in the polypeptide chain. (2 words)
  6. Two or more polypeptide chains bonded together. (2 words)
  7. The minimum energy needed to initiate a chemical reaction. (2 words)
  8. Forms rigid outerskeleton of most insects and crustaceans.
  9. Solid at room temperature, most animal fats, large sums contribute to cardiovascular disease. (2 words)
  10. A primary component of cell walls. Forms a huge variety of plant structures that are visible all around us.
  11. A type of protein that initiates and assists every chemical reaction that occurs.
  12. One nitrogen atom and two hydrogen atoms (NH2). A part of the structure of amino acids. (2 words)
  13. A bond formed by a transfer of electrons. (2 words)
  14. A molecule containing a phosphate group, a sugar molecule, and a nitrogen-containing molecule. The individual units that together, in a unique sequence, constitute a nucleic acid.

35 Clues: Any atom with a positive or negative charge. • Disruption of protein folding/unfolding a protein. • A bond formed by a transfer of electrons. (2 words) • A bond formed by two atoms sharing electrons. (2 words) • A lipid important in regulating growth and development. • Two or more polypeptide chains bonded together. (2 words) • ...

Proteins 2025-03-18

Proteins crossword puzzle
Across
  1. alpha helix or beta pleated sheet
  2. 2 or more polypeptide chains joined together
  3. a chemical agent that changes the rate of a chemical reaction, but is nto part of the chemical reaction
  4. these proteins allow organelles and substances to move within cells
  5. when a protein loses its characteristic shape
  6. the type of bond that joins amino acids
  7. these proteins serve as biological catalysts
  8. amino acids that the body cannot synthesize and must come from diet
  9. these proteins store iron, amino acids, and other useful nutrients
Down
  1. these proteins make up bones, muscles, organs
  2. a long chain of many amino acids
  3. these proteins allow for movement
  4. the monomer of a protein
  5. the amino acid sequence
  6. these proteins allow for cell-to-cell communication
  7. these proteins function in the immune system
  8. globular or fibrous

17 Clues: globular or fibrous • the amino acid sequence • the monomer of a protein • a long chain of many amino acids • these proteins allow for movement • alpha helix or beta pleated sheet • the type of bond that joins amino acids • 2 or more polypeptide chains joined together • these proteins function in the immune system • these proteins serve as biological catalysts • ...

Chemistry Crossword 2016-11-06

Chemistry Crossword crossword puzzle
Across
  1. Equation that only shows the the solid elements
  2. A reaction where a precipitate is formed
  3. One molecule replaces another
  4. Reaction where electrons are lost
  5. Reaction where electrons are gained
  6. Molecules break apart to form more simple compounds
  7. Charge
  8. One or more molecules come together to make a compound
Down
  1. Solids
  2. Two molecules replace to other molecules
  3. An acid reacts with water in a reaction
  4. Produces Water (H20)
  5. the ability to be soluble (Dissolve)
  6. A chart of reactivity of elements
  7. How reactive a Chemical is

15 Clues: Solids • Charge • Produces Water (H20) • How reactive a Chemical is • One molecule replaces another • A chart of reactivity of elements • Reaction where electrons are lost • Reaction where electrons are gained • the ability to be soluble (Dissolve) • An acid reacts with water in a reaction • Two molecules replace to other molecules • A reaction where a precipitate is formed • ...

Introduction to Lab 😁 2024-08-19

Introduction to Lab 😁 crossword puzzle
Across
  1. a portion of a well-mixed sample removed for testing
  2. substance or chemical being analyzed
  3. a physician that specializes in the nature and cause of disease
  4. free from all living organisms
  5. a blood sample in which the red blood cells have ruptured
  6. vitro within the laboratory
  7. means immediately
Down
  1. the study of cells
  2. determining the accuracy of an instrument
  3. capable of burning, corroding or damaging tissue by chemical reaction
  4. medical term for devices with sharp points or edges
  5. a substance used for a chemical reaction
  6. a biological sample such as blood, urine or body fluids

13 Clues: means immediately • the study of cells • vitro within the laboratory • free from all living organisms • substance or chemical being analyzed • a substance used for a chemical reaction • determining the accuracy of an instrument • medical term for devices with sharp points or edges • a portion of a well-mixed sample removed for testing • ...

Biology 2025-04-11

Biology crossword puzzle
Across
  1. only found in plant cells, photosynthesis occurs in this cell
  2. Respiration that doesn't require oxygen
  3. the sugar thats produced in photosynthesis
  4. uses sunlight to create energy
  5. type of respiration that requires oxygen
  6. consume sugars and other energies produced by other organisms
  7. substances that start a chemical reaction
  8. Powerhouse of the cell
Down
  1. the product of a chemical reaction
  2. Linked chemical process where energy from one drives another
  3. creates energy(ATP)produced by photosynthesis, can occur with or without oxygen
  4. uses the sugars that they produce themselves
  5. An energy that can be recharged and reused, Its like a battery

13 Clues: Powerhouse of the cell • uses sunlight to create energy • the product of a chemical reaction • Respiration that doesn't require oxygen • type of respiration that requires oxygen • substances that start a chemical reaction • the sugar thats produced in photosynthesis • uses the sugars that they produce themselves • ...

BB2200 week 2 2019-09-13

BB2200 week 2 crossword puzzle
Across
  1. A weak acid plus its conjugate base that cause a solution to resist changes in pH when an acid or base are added
  2. Molecule that has both a positive and a negative charge (net charge=0)
  3. Same molecular formula and same connectivity of atoms but different arrangement of atoms in space
  4. Two equal but opposite charges, separated in space, resulting from the uneven distribution of charge within a molecule or a chemical bond
  5. Amino acid which forms disulfide crosslinks (bonus: can you draw this amino acid?)
  6. A measure of the force of an atom's attraction for electrons it shares in a chemical bond with another atom
  7. Reaction involving intramolecular shift of atoms or groups (two words)
  8. Reaction in which one atom of a group is substituted for another (two words)
  9. Total sum of the chemical reaction happening in a living organism
  10. Energy-requiring biosynthetic pathways
Down
  1. Imino acid whose side chain is connected to the backbone at two places (bonus: can you draw this amino acid?)
  2. 3-letter abbreviation of the amino acid which is catalytically, the most important type of residue
  3. The pH at which the zwitterion is the predominant form (two words)
  4. Stereoisomers whose molecules are not mirror images of each other
  5. An electron-rich species that is negatively charged or contains unshared electron pairs and is attracted to chemical species that are positively charged or electron-deficient
  6. Reaction in which a double bond is formed when atoms in a molecule are removed (two words)
  7. Attraction of water to other water molecules

17 Clues: Energy-requiring biosynthetic pathways • Attraction of water to other water molecules • Stereoisomers whose molecules are not mirror images of each other • Total sum of the chemical reaction happening in a living organism • The pH at which the zwitterion is the predominant form (two words) • Molecule that has both a positive and a negative charge (net charge=0) • ...

The Chemistry of Life 2022-11-21

The Chemistry of Life crossword puzzle
Across
  1. / A substance made up a group of similar atoms that have the same number of protons
  2. / The main purpose of ______ is to convert excess food into long-term energy storage units.
  3. / Found in cell walls of plants
  4. / The combination of protons and neutrons
  5. / Covalent bond between two amino acids
  6. / molecules with partial charges on opposite ends
  7. / A new substance that is formed in a chemical reaction
  8. / The substance acted upon by an enzyme
  9. / A simple sugar
  10. / Atoms of an element that have different numbers of neutrons
  11. / Atomic particle with no charge
  12. / Consisted of hundreds of glucose units bonded together
  13. / A molecule that acts as a catalyst in biochemical reactions
  14. / The basic units of biochemistry contain ______ atoms.
  15. / The smallest unit of matter that can’t be broken down by chemical means
  16. / Unused glucose in animals is stored as this macromolecule
  17. / The minimum amount of energy required to start a chemical reaction
Down
  1. / A molecule made up of a sugar, phosphate group, and a base
  2. / These structures border cell membranes
  3. / The region where electrons orbit the nucleus
  4. / An electron that is found in the outermost shell of an atom
  5. / Building blocks of proteins
  6. / The number of protons in the nucleus of an atom, which determines its place in the periodic table
  7. / Testosterone is a chemical signal known as this
  8. / Covers parts of plants and aquatic birds to repel water
  9. / Atomic particle with a negative charge
  10. / Many sugars linked together
  11. / Used to speed up a chemical reaction
  12. / A substance that participates in a chemical reaction
  13. / Contains carbon, hydrogen, and oxygen; will dissolve in water
  14. / Found in shells of crabs, lobsters, and insects
  15. / Changes in temperature and pH can change a protein’s shape
  16. / An organic molecule that acts as the main energy source for cell processes
  17. / Composed of chains of amino acids made of carbon, hydrogen, oxygen, and nitrogen
  18. / Positively charged particle
  19. / Two sugars linked together
  20. / Organic molecule made up of carbon, hydrogen, and oxygen and will not dissolve in water
  21. / The combination of glucose and fructose
  22. / The site that attaches to a substrate on an enzyme

39 Clues: / A simple sugar • / Two sugars linked together • / Building blocks of proteins • / Many sugars linked together • / Positively charged particle • / Found in cell walls of plants • / Atomic particle with no charge • / Used to speed up a chemical reaction • / Covalent bond between two amino acids • / The substance acted upon by an enzyme • / These structures border cell membranes • ...

Honor Bio Ch 1 & 2 Vocab 2023-09-12

Honor Bio Ch 1 & 2 Vocab crossword puzzle
Across
  1. a small molecule that forms the head region of a triglyceride fat molecule
  2. a substance composed of atoms of different elements in specific ratios, held together by ionic bonds
  3. a carbohydrate that contains multiple simple carbohydrates linked together. Examples: starch, glycogen (2 words)
  4. a chemical within a cell that binds to an enzyme or substrate molecule and in doing so reduces the enzyme's ability to catalyze a reaction
  5. a chemical that can quickly absorb excess H+ ions in a solution or quickly release H+ ions
  6. a lipid important in regulating growth and development; Examples: cholesterol, testosterone, and estrogen
  7. A sterol, important in maintaining growth and development, important in cell membranes by giving it stability
  8. a chemical within a cell that binds to part of an enzyme away from the active site and reduces or blocks the enzyme's ability to bind with substrate (2 words)
  9. the property of some elements or isotopes of having a nucleus that breaks down spontaneously, releasing tiny, high-speed particles that carry energy
  10. one of the nitrogen-containing side-chain molecules attached to a sugar molecule in the sugar-phosphate backbone of DNA and RNA. Example: Adenine (3 words)
Down
  1. structural material for plants, most prevalent organic compound on earth
  2. a complex carbohydrate consisting of stored glucose molecules linked to form a large web
  3. describes knowledge that is based on experience and observations that are rational, testable, and repeatable
  4. the strength of a bond between two atoms (2 words)
  5. an unsaturated fat that has been partially hydrogenated (2 words)
  6. the molecule on which an enzyme acts
  7. a chemical within a cell that binds to the active site of an enzyme, blocking substrate molecules from the site and thereby reducing the enzyme's ability to catalyze a reaction (2 words)
  8. a bond created by the transfer of one or more electrons from one atom to another (2 words)
  9. a strong bond formed when two atoms share electrons (2 words)
  10. COOH (2 words)
  11. a protein that initiates and accelerated a chemical reaction in living organisms
  12. minimum energy needed to initiate a chemical reaction (2 words)
  13. a complex indigestible by humans, that forms the rigid outer skeleton of most insects and crustaceans
  14. variants of atoms that differ in the number of neutrons they possess
  15. NH₂ (2 words)

25 Clues: NH₂ (2 words) • COOH (2 words) • the molecule on which an enzyme acts • the strength of a bond between two atoms (2 words) • a strong bond formed when two atoms share electrons (2 words) • minimum energy needed to initiate a chemical reaction (2 words) • an unsaturated fat that has been partially hydrogenated (2 words) • ...

Unit V Crossword Puzzle 2023-12-06

Unit V Crossword Puzzle crossword puzzle
Across
  1. intensive property of matter that is a quantitative measure of "hotness" and "coldness"
  2. transfer of thermal energy between two bodies
  3. SI unit of energy
  4. this type of energy is involved in that of a moving body
  5. standard enthalpy of ________ is the enthalpy change of a chemical reaction in which 1 mole of a pure substance is formed from its formed from its elements in their most stable states
  6. this type of chemical reaction is absorbed by a system under constant pressure
  7. one ______ concentration is the standard state of a solution
  8. all matter other than the system being studied
  9. this type of calorimeter is designed to measure the energy change for processes occurring under conditions of constant volume
  10. unit of heat or other energy; the amount of energy required to raise 1 gram of water by 1 degree C
  11. this type of energy is the kinetic energy associated with the random motion of atoms and molecules
  12. portion of matter undergoing a chemical or physical change being studied
  13. state _____ is a property depending only on the state of a system, and not the path take to reach that state
  14. energy transfer due to changes in external, macroscopic variables such as pressure and volume
Down
  1. standard enthalpy of _______ is heat released when one mole of a compound undergoes complete combustion under standard conditions
  2. compound composed only of hydrogen and carbon
  3. study of measuring the amount of heat absorbed or released during a chemical reaction or a physical change
  4. this type of energy is derived from relative position, composition, or condition
  5. this type of chemical reaction or physical change absorbs heat
  6. also known as Calorie - unit used for quantifying energy provided by digestion of foods
  7. device used to measure the amount of heat absorbed or released in a chemical or physical process
  8. this law describes that if a process can be represented as a sum of several steps, the enthalpy change of the process equals the sum of the enthalpy changes of the steps
  9. sum of a system's internal energy
  10. this type of energy is the total of all possible kinds of energy present in a substance or substances
  11. ____ atm is the standard state of for gases

25 Clues: SI unit of energy • sum of a system's internal energy • ____ atm is the standard state of for gases • compound composed only of hydrogen and carbon • transfer of thermal energy between two bodies • all matter other than the system being studied • this type of energy is involved in that of a moving body • one ______ concentration is the standard state of a solution • ...

Chemical Reactions 2024-12-10

Chemical Reactions crossword puzzle
Across
  1. A notation that uses chemical symbols and numbers to represent the type and number of atoms present in a substance
  2. The process by which one or more substances change to produce one or more different substances
  3. to prevent the loss of something
  4. A substance produced during a chemical reaction
  5. A substance that takes part in and undergoes change during a reaction
  6. A number written below and to the right of a chemical symbol that shows the number of atoms present
Down
  1. The mass of all reactants must equal the mass of all products. Matter is neither created nor destroyed.
  2. Formed when two or more atoms join together chemically
  3. Chemical formulas and symbols written to represent a reaction
  4. the study of matter and its properties
  5. A number placed in front of a chemical symbol or formula in order to balance the equation

11 Clues: to prevent the loss of something • the study of matter and its properties • A substance produced during a chemical reaction • Formed when two or more atoms join together chemically • Chemical formulas and symbols written to represent a reaction • A substance that takes part in and undergoes change during a reaction • ...

Chemical Reactions 2025-04-10

Chemical Reactions crossword puzzle
Across
  1. the amount of matter in an object
  2. the basic building block of matter
  3. a chemical substance that is formed by the reactants
  4. two or more atoms held together by chemical bonds
  5. a chemical _____ is a representation of the reactants and products of a reaction
  6. _____ change occurs but does not cidentitye identify of the substance.
Down
  1. _____ change a process during which a substance or substances change into one or more new substances.
  2. a chemical substance that enters into a reaction
  3. the amount of space that an object occupies
  4. particular characteristics of a material
  5. the stuff that makes up all living and nonliving objects
  6. to mix into another substance at the scale of individual particles

12 Clues: the amount of matter in an object • the basic building block of matter • particular characteristics of a material • the amount of space that an object occupies • a chemical substance that enters into a reaction • two or more atoms held together by chemical bonds • a chemical substance that is formed by the reactants • ...

chemistry 2022-11-02

chemistry crossword puzzle
Across
  1. two or more molecules
  2. A state of matter that does not have a defined shape , fast moving particles
  3. change in the substance
  4. example fire
  5. heat released in a chemical reaction is
Down
  1. A state of matter that does have a defined shape
  2. no property change
  3. A state of matter that does not have a defined shape moving particles
  4. heat absorbed in a chemical reaction is
  5. Basic unit of chemical element

10 Clues: example fire • no property change • two or more molecules • change in the substance • Basic unit of chemical element • heat absorbed in a chemical reaction is • heat released in a chemical reaction is • A state of matter that does have a defined shape • A state of matter that does not have a defined shape moving particles • ...

chemistry 2022-11-02

chemistry crossword puzzle
Across
  1. two or more molecules
  2. A state of matter that does not have a defined shape , fast moving particles
  3. change in the substance
  4. example fire
  5. heat released in a chemical reaction is
Down
  1. A state of matter that does have a defined shape
  2. no property change
  3. A state of matter that does not have a defined shape moving particles
  4. heat absorbed in a chemical reaction is
  5. Basic unit of chemical element

10 Clues: example fire • no property change • two or more molecules • change in the substance • Basic unit of chemical element • heat absorbed in a chemical reaction is • heat released in a chemical reaction is • A state of matter that does have a defined shape • A state of matter that does not have a defined shape moving particles • ...

science-changes in matter 2023-07-27

science-changes in matter crossword puzzle
Across
  1. is a substance that can accept hydrogen
  2. they have particles to create an element called hydrogen
  3. solid, liquid and gas, it makes up everything in the universe
  4. a chemical reaction where the substances release energy as heat
  5. a process in which one or more chemicals react
  6. a chemical reaction that produces heat and light
Down
  1. a process in which one or more chemicals react
  2. is any substance that is consumed up in a reaction
  3. a compound formed from multiple chemicals
  4. a chemical reaction that takes in energy from surroundings

10 Clues: is a substance that can accept hydrogen • a compound formed from multiple chemicals • a process in which one or more chemicals react • a process in which one or more chemicals react • a chemical reaction that produces heat and light • is any substance that is consumed up in a reaction • they have particles to create an element called hydrogen • ...

Rates of reaction 2021-02-16

Rates of reaction crossword puzzle
Across
  1. The colour of sulfur powder
  2. The speed of a reaction
  3. Surface area increases when we make lumps of solid ....
  4. The energy needed by particles in order for a reaction to occur
  5. This is the type of variable that we keep the same
  6. The number of particles in a particular volume of a gas
  7. This is a very slow reaction that involves the corrosion of iron
  8. The substances that are made in a reaction
  9. The number of particles in a particular volume of solution
Down
  1. Increasing this gives the reacting particles more energy
  2. Particles do this when they bump into each other
  3. This is a substance that can be added to a reaction to speed it up. It remains unchanged in the reaction.
  4. This is the variable that we measure
  5. This is the variable that we change
  6. The volume of a gas can be measured using a gas ....
  7. This is what we call a collision in which a chemical reaction takes place
  8. The starting materials in a reaction

17 Clues: The speed of a reaction • The colour of sulfur powder • This is the variable that we change • This is the variable that we measure • The starting materials in a reaction • The substances that are made in a reaction • Particles do this when they bump into each other • This is the type of variable that we keep the same • The volume of a gas can be measured using a gas .... • ...

Science Revision 2020-06-03

Science Revision crossword puzzle
Across
  1. powerhouse of the cell
  2. has the chemical symbol Ag
  3. holds the DNA of a cell
  4. the science that studies forces and movement
  5. the reaction gives out heat
Down
  1. has the chemical symbol Au
  2. the science that studies chemicals and their reactions
  3. the science that studies living things and organisms
  4. the reaction absorbs heat
  5. has the chemical symbol Fe

10 Clues: powerhouse of the cell • holds the DNA of a cell • the reaction absorbs heat • has the chemical symbol Au • has the chemical symbol Ag • has the chemical symbol Fe • the reaction gives out heat • the science that studies forces and movement • the science that studies living things and organisms • the science that studies chemicals and their reactions

Chemical Reactions Vocabulary Crossword 2025-03-21

Chemical Reactions Vocabulary Crossword crossword puzzle
Across
  1. A combination of symbols that represents the elements in a compound, like "H2O" for water.
  2. Changing the order of something in order to create new substances.
  3. The starting substance in a chemical reaction.
  4. The temperature at which a liquid changes to a gas, but no new substance is formed. Water has a __ __ of 100 degrees Celsius.
  5. A ___ is formed when two or more atoms bond together. (i.e. H2O = water)
  6. The smallest particles that make up all the matter and ___ during chemical reactions.
Down
  1. A process in which substances change into new substances with different chemical properties.
  2. The relative size of things.
  3. Ice has a ___ ___ of 0 degrees Celsius, the temperature where it changes from a solid to a liquid.
  4. Scientists use these to represent how atoms are arranged and interact with one another in a chemical reaction.
  5. The ability to rust is a chemical ___ of iron because it reacts with oxygen over time.
  6. Something that is made of all the same atoms or groups of atoms.
  7. Some acids are ___, meaning they can eat away at metals over time.
  8. In the reaction between hydrogen and oxygen, water is the ___ that is formed. (The end result.)

14 Clues: The relative size of things. • The starting substance in a chemical reaction. • Something that is made of all the same atoms or groups of atoms. • Changing the order of something in order to create new substances. • Some acids are ___, meaning they can eat away at metals over time. • A ___ is formed when two or more atoms bond together. (i.e. H2O = water) • ...

Unit 4 Wrap Up 2025-02-06

Unit 4 Wrap Up crossword puzzle
Across
  1. all gasses held to earth by its gravity
  2. the technical or scientific term for the rotting process
  3. the most common molecule used for growth and energy (its a sugar)
  4. carbon can be naturally transferred from the geosphere to the atmosphere through these
  5. A life form that extracts energy from rotting remains
  6. an element used to build chloroplasts and DNA, most of it is inert
  7. all water on earth, regardless of condition or location
  8. an element that allows for complex molecules and proteins to form
  9. a natural water purification process that depends upon the sun
  10. water vapor goes through this process at higher altitudes and cold temperatures, forms clouds
  11. the chemical reaction that stores energy by building glucose
  12. when water vapor is forced out out of the atmosphere and returns to Earth's surface
Down
  1. all living things on earth, regardless of size
  2. when marine animals die, their bones and shells sink to the bottom and become part of this
  3. the organelle in plant cells only that runs the photosynthesis reaction
  4. the organelle in plant and animal cells that runs the respiration reaction
  5. the chemical reaction that extracts energy from glucose
  6. all rock, soil, minerals, and fossil fuels on or in Earth
  7. openings in the surface of leaves that allow plants to exchange gases with their atmosphere
  8. the blood protein that carries oxygen, can be damaged by too many nitrates in water
  9. a greenhouse gas, its chemical formula is CH4
  10. marine animals can pull carbon and calcium out of ocean water to create these

22 Clues: all gasses held to earth by its gravity • a greenhouse gas, its chemical formula is CH4 • all living things on earth, regardless of size • A life form that extracts energy from rotting remains • the chemical reaction that extracts energy from glucose • all water on earth, regardless of condition or location • the technical or scientific term for the rotting process • ...

Biology Chapter 2 vocab 2023-09-21

Biology Chapter 2 vocab crossword puzzle
Across
  1. quality of molecules having an unequal distribution of electrical charge
  2. the process of particles in a solution that are evenly distributed throughout the solvent by Brownian motion
  3. the attraction between like particles within polar substances
  4. the substances formed during a chemical reaction
  5. a substance that is present before a chemical reaction, and takes part in it
  6. a substance that can produce hydroxide ions or accept hydrogen ions
  7. a change in a substance that does not changes the identity of the substance
  8. the physical stuff that makes up the universe
  9. the building blocks for information of storage molecules of DNA and RNA
  10. the attracion of particles in one substance for particles in a different substance
  11. an organic compound comprimised by carbon, hydrogen,and oxygen
  12. the smallest particle of a covalently bonded compound
  13. an attraction between two atoms from shared or transferred valence electrons
Down
  1. one or more new substances being formed that have different physical and chemical properties
  2. the process of a substance where the solute is broken up and distributed within the solvent
  3. nonpolar organic compounds that are used for energy storage and cell membranes
  4. a substance that binds to an enzyme and reduces its activity, slowing its chemical reaction
  5. a pure substance made of one kind of atom
  6. simple organic compounds important in living things as a source of energy and structure
  7. a covalently bonded compound containing carbon
  8. a measurement of the average speed of the particles within a substance
  9. a substance that changes the rate of a chemical reaction
  10. a class of organic compounds that serve as the building blocks of proteins
  11. the tendency of energy to disperse and become less available to do work
  12. a substance that can produce hydrogen ions in a solution
  13. a naturally occuring catalyst, usually a protein
  14. a pure substance made from two or more elements that are chemically combined
  15. the building block of matter
  16. the ability to do work

29 Clues: the ability to do work • the building block of matter • a pure substance made of one kind of atom • the physical stuff that makes up the universe • a covalently bonded compound containing carbon • the substances formed during a chemical reaction • a naturally occuring catalyst, usually a protein • the smallest particle of a covalently bonded compound • ...

Cell proccesses 2024-10-20

Cell proccesses crossword puzzle
Across
  1. A solution in which the solute and solvent are equally distributed.
  2. Any substance that dissolves in a liquid solvent.
  3. To make a chemical reaction happen or happen more quickly by acting as a catalyst.
  4. Any external solution that has a high solute concentration and low water concentration.
  5. Movement of molecules from a solution with high concentration of water molecules to lower concentration.
  6. Chemical reaction releasing energy through heat or light.
  7. A homogeneous mixture that is made up of a solute dissolved within a solvent.
  8. A energy-carrying molecule found in cells of all living things.
  9. Proteins that serve as biological catalysts, increasing chemical reactions.
  10. Energy-driven process where membrane proteins transport molecules across the cell membrane.
  11. Movement of molecules across the cell membrane from lower concentration to higher.
  12. A theory of enzyme action that explains how enzymes fit their substrate.
  13. Chemical reaction that absorbs heat from its surroundings.
  14. A type of Passive Transport that uses specialized proteins like channel and carrier to move molecules across the cell membrane.
Down
  1. A law stating at matter cannot be destroyed or created.
  2. An active transport pump that exchanges sodium ions for potassium ions.
  3. Barrier that allows some molecules to pass through but others not.
  4. The minimum energy required for a reaction to occur.
  5. Involving no oxygen or without oxygen.
  6. Process by which green plants or certain other organisms transform light energy into chemical.
  7. A law that states that energy is not created nor destroyed merely changes form.
  8. An enzyme's shape and confirmation changing overtime in response to substrate binding.
  9. Process of capturing a particle and engulfing it with the cell membrane.
  10. Movement of particles from high concentration to low and not using help from membrane proteins.
  11. Process in which cells derive energy from glucose.
  12. Type of membrane transport that doesn't use energy to move substances across the cell membrane.
  13. Solutions having low concentration compared to other solutions across the semipermeable membrane.
  14. Basic building blocks of all living things. Human body has trillions of them.
  15. Involving ,needing or relating to oxygen.

29 Clues: Involving no oxygen or without oxygen. • Involving ,needing or relating to oxygen. • Any substance that dissolves in a liquid solvent. • Process in which cells derive energy from glucose. • The minimum energy required for a reaction to occur. • A law stating at matter cannot be destroyed or created. • Chemical reaction releasing energy through heat or light. • ...

Alisson Jiménez. Oxidation 2022-01-18

Alisson Jiménez. Oxidation crossword puzzle
Across
  1. is a substance or compound that causes a chemical reaction
  2. It is a chemical element found in the air
  3. It is a process where a substance changes its molecular structure and its bonds, appearing in a new way
  4. Action of transforming
  5. Are transformations that can change the state of any material
  6. Result of a job or operation
  7. It is a chemical element and its compounds
Down
  1. Thermal degree or level of a body or place
  2. Is a symbolic description of a chemical reaction
  3. Process by which elements in a system undergo chemical changes
  4. Relationship between two or more people or things
  5. It is a sequence to reach a goal

12 Clues: Action of transforming • Result of a job or operation • It is a sequence to reach a goal • It is a chemical element found in the air • Thermal degree or level of a body or place • It is a chemical element and its compounds • Is a symbolic description of a chemical reaction • Relationship between two or more people or things • ...

Carbohydrates 2023-09-29

Carbohydrates crossword puzzle
Across
  1. the monomer of carbohydrates
  2. the reaction that removes water from the reactant to build up a polymer
  3. Carbohydrates that take more energy to digest because it has more bonds to break down
  4. a sugar that has two monomers
  5. all sugars end with this suffix
  6. the general term for a molecule that is made up of 2+ subunits
  7. the general term for the metabolic reaction that breaks down molecules; releases energy
  8. the macromolecule that provides short and long term energy
Down
  1. the reaction that adds water to a polymer to break it down into monomers
  2. carbs, proteins, nucleic acids, and lipids are all types of this
  3. there are 12 atoms of this element in glucose
  4. this element's chemical symbol is "O"
  5. has the same chemical formula, but different structure (e.g. galactose & fructose)
  6. carbohydrates that are easy to digest
  7. the element that makes molecules "organic"
  8. the general term for the metabolic reaction that builds up monomers; takes energy
  9. a large molecule of sugar, such as starch
  10. the general term for a molecule that is the simplest building block of a macromolecule
  11. a common food item used in spaghetti that is high in carbs

19 Clues: the monomer of carbohydrates • a sugar that has two monomers • all sugars end with this suffix • this element's chemical symbol is "O" • carbohydrates that are easy to digest • a large molecule of sugar, such as starch • the element that makes molecules "organic" • there are 12 atoms of this element in glucose • a common food item used in spaghetti that is high in carbs • ...

Chemistry Vocabulary Crossword 2023-04-28

Chemistry Vocabulary Crossword crossword puzzle
Across
  1. study of heat and energy related to various physical transformations and chemical reactions
  2. unit of work or energy
  3. amount of heat needed to an lignin into vapor
  4. metric unit of temperature
  5. the result of the movement of tiny particles called atoms, molecules or ions in solids, liquids and gases
  6. used to measure amounts of heat transferred to or from a substance
  7. a temperature scale based on molecular motion
  8. energy that comes from a source and travels through space at the speed of light
Down
  1. the elements created in the end of a reaction
  2. amount of heat needed to turn a solid into a liquid
  3. heat energy
  4. a process which heat is transferred by movement of a heated fluid such as air or water
  5. the quantity of heat absorbed per unit mass of the material when its temperature increases
  6. energy in motion
  7. a reaction followed by the release of heat
  8. the substances that react in a chemical reaction
  9. a measurement of the energy content of food
  10. a reaction followed by the absorption of heat
  11. the process when heat energy is transmitted through collisions between atoms or molecules

19 Clues: heat energy • energy in motion • unit of work or energy • metric unit of temperature • a reaction followed by the release of heat • a measurement of the energy content of food • the elements created in the end of a reaction • amount of heat needed to an lignin into vapor • a reaction followed by the absorption of heat • a temperature scale based on molecular motion • ...

Chapter 13 Crossword Lyndi Williamson 2019-10-06

Chapter 13 Crossword Lyndi Williamson crossword puzzle
Across
  1. The amount of energy required to pull the bonded atoms apart
  2. Type of reaction when there is a net release of energy
  3. Type of reaction when there is a net absorption of energy
  4. The minimum energy required to overcome the initial breaking of bonds in reactants
  5. A chemical that accepts a hydrogen ion
Down
  1. One or more new compounds are formed as a result of the rearrangement of atoms
  2. How quickly we can turn the reactive side into the product side
  3. A chemical that donates a hydrogen ion
  4. A substance that lowers the activation energy of a chemical reaction, which allows for the reaction to proceed at a faster rate
  5. When reaction and its reverse act at the same rate

10 Clues: A chemical that donates a hydrogen ion • A chemical that accepts a hydrogen ion • When reaction and its reverse act at the same rate • Type of reaction when there is a net release of energy • Type of reaction when there is a net absorption of energy • The amount of energy required to pull the bonded atoms apart • ...

Year 10 Chemistry 2013-05-26

Year 10 Chemistry crossword puzzle
Across
  1. A substance made by mixing other substances together.
  2. The degree or intensity of heat present in a substance or object.
  3. The formation of a solid in a solution or inside another solid during a chemical reaction or by diffusion in a solid.
  4. A substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
  5. A table of the chemical elements arranged in order of atomic number.
  6. A measure, quantity, or frequency, typically one measured against some other quantity or measure.
  7. The condition of being protected from or unlikely to cause danger, risk, or injury.
Down
  1. A substance that takes part in and undergoes change during a reaction.
  2. A minute portion of matter.
  3. An apparent displacement or difference in the apparent position of an object viewed along two different lines of sight.
  4. A substance produced during a natural, chemical, or manufacturing process.
  5. The continuous physical force exerted on or against an object by something in contact with it.
  6. Approximately equivalent to the number of protons and neutrons in the atom.

13 Clues: A minute portion of matter. • A substance made by mixing other substances together. • The degree or intensity of heat present in a substance or object. • A table of the chemical elements arranged in order of atomic number. • A substance that takes part in and undergoes change during a reaction. • ...

Chapter 6/7 Vocab 2023-04-14

Chapter 6/7 Vocab crossword puzzle
Across
  1. notation that shows what elements a compound contains and the ratio of the atoms or ions of these elements in the compound
  2. a diagram of an atom, ion or molecule in which each dot represents a valence electron
  3. a representation of a chemical reaction in which the reactants and products are expressed as formulas
  4. the attraction between a metal cation and the shared electrons that surround it
  5. a chemical bond in which two atoms share a pair of valence electrons
  6. a mixture of two or more elements, at least one of which is a metal, that has the characteristic properties of a metal
  7. the force that holds cations and anions together
Down
  1. a substance that undergoes change in a chemical reaction
  2. the force that holds atoms or ions together as a unit
  3. a neutral group of atoms that are joined together by one or more covalent bonds
  4. an atom or group of atoms that has a positive or negative charge
  5. the energy stored in chemical bonds
  6. new substances formed as a result of a chemical reaction

13 Clues: the energy stored in chemical bonds • the force that holds cations and anions together • the force that holds atoms or ions together as a unit • a substance that undergoes change in a chemical reaction • new substances formed as a result of a chemical reaction • an atom or group of atoms that has a positive or negative charge • ...

Vocab ch 6&7 2023-05-19

Vocab ch 6&7 crossword puzzle
Across
  1. - the energy stored in chemical bonds
  2. - a chemical bond in which two atoms share a pair of valence electrons
  3. - new substances formed as a result of a chemical reaction
  4. - the attraction between a metal cation and the shared electrons that surround it
  5. - the force that holds atoms or ions together as a unit
  6. - a representation of a chemical reaction in which the reactants and products are expressed as formulas
Down
  1. - notation that shows what elements a compound contains and the ratio of the atoms or ions of these elements in the compound
  2. an atom or group of atoms that has a positive or negative charge
  3. - a substance that undergoes change in a chemical reaction
  4. - the force that holds cations and anions together
  5. a diagram of an atom, ion or molecule in which each dot represents a valence electron
  6. - a mixture of two or more elements, at least one of which is a metal, that has the characteristic properties of a metal
  7. - a neutral group of atoms that are joined together by one or more covalent bonds

13 Clues: - the energy stored in chemical bonds • - the force that holds cations and anions together • - the force that holds atoms or ions together as a unit • - a substance that undergoes change in a chemical reaction • - new substances formed as a result of a chemical reaction • an atom or group of atoms that has a positive or negative charge • ...

Lauren's Science Vocabulary Crossword Puzzle 2013-09-09

Lauren's Science Vocabulary Crossword Puzzle crossword puzzle
Across
  1. A mixture of two or more substances.
  2. The chemical element with an atomic number 2.
  3. A subatomic particle composed of nucleons and atoms.
  4. A chemical change which forms new substances.
  5. A chemical link between two atoms caused by electrostatic force.
  6. A numerical measure of a physical or chemical property.
  7. Starting material in a chemical reaction.
  8. Two or more atoms which have chemically combined to form a single species.
  9. The basic unit of a chemical element.
Down
  1. The chemical element of atomic number 8.
  2. Another term for atomic mass.
  3. A substance that cannot be broken down by chemical means.
  4. A table of the chemical elements arranged in order of atomic number.
  5. The number of protons in the nucleus of an atom.
  6. A colorless, odorless, highly flammable gas.
  7. The substance in which the solute is dissolved.
  8. A subatomic particle without an electric charge.
  9. The substance that is dissolved in a solution.

18 Clues: Another term for atomic mass. • A mixture of two or more substances. • The basic unit of a chemical element. • The chemical element of atomic number 8. • Starting material in a chemical reaction. • A colorless, odorless, highly flammable gas. • The chemical element with an atomic number 2. • A chemical change which forms new substances. • ...

Lauren's Science Vocabulary Crossword Puzzle 2013-09-09

Lauren's Science Vocabulary Crossword Puzzle crossword puzzle
Across
  1. The chemical element of atomic number 8.
  2. The substance that is dissolved in a solution.
  3. The chemical element with an atomic number 2.
  4. A subatomic particle without an electric charge.
  5. A numerical measure of a physical or chemical property.
  6. Another term for atomic mass.
  7. The basic unit of a chemical element.
  8. A table of the chemical elements arranged in order of atomic number.
  9. The substance in which the solute is dissolved.
  10. Two or more atoms which have chemically combined to form a single species.
  11. A colorless, odorless, highly flammable gas.
Down
  1. Starting material in a chemical reaction.
  2. A chemical link between two atoms caused by electrostatic force.
  3. A chemical change which forms new substances.
  4. A substance that cannot be broken down by chemical means.
  5. A subatomic particle composed of nucleons and atoms.
  6. The number of protons in the nucleus of an atom.
  7. A mixture of two or more substances.

18 Clues: Another term for atomic mass. • A mixture of two or more substances. • The basic unit of a chemical element. • The chemical element of atomic number 8. • Starting material in a chemical reaction. • A colorless, odorless, highly flammable gas. • A chemical change which forms new substances. • The chemical element with an atomic number 2. • ...

Station Labs Crossword 2022-10-18

Station Labs Crossword crossword puzzle
Across
  1. type of energy used in photosynthesis
  2. the process by which plants make their food
  3. what plants create during photosynthesis
  4. a substance that changes during a chemical reaction
Down
  1. what plants use during photosynthesis (gas)
  2. organelle which contains chlorophyll
  3. type of reaction in photosynthesis
  4. the finished portion of a chemical reaction
  5. what plants release after photosynthesis
  6. where the plant absorbs sunlight

10 Clues: where the plant absorbs sunlight • type of reaction in photosynthesis • organelle which contains chlorophyll • type of energy used in photosynthesis • what plants release after photosynthesis • what plants create during photosynthesis • what plants use during photosynthesis (gas) • the process by which plants make their food • the finished portion of a chemical reaction • ...

Chem Unit 2 Vocab 2023-10-19

Chem Unit 2 Vocab crossword puzzle
Across
  1. The amount of matter does not change during a chemical reaction, only that the atoms are rearranged to form new substances. This is evidenced in a balanced chemical equation.
  2. Smallest particle in a chemical element or compound that has the chemical properties of that element.
  3. a negatively charged subatomic particle found outside of the nucleus of the atom
  4. pure substances that are composed of two or more types of elements that are chemically combined
  5. Mixture is not uniform throughout, the component substances can be visibly distinguished
Down
  1. a subatomic particle with no charge (neutral) found in the nucleus of the atom.
  2. a positive subatomic particle found in the nucleus of an atom.
  3. new substances formed in a chemical reaction and that they are located on the right side of the arrow in a chemical equation.
  4. Simplest form of a pure substance that cannot be broken into anything else by physical or chemical means.
  5. Mixture is uniform throughout, the substances are evenly mixed and cannot be visibly distinguished
  6. substances broken apart or combined in a chemical reaction and that they are located on the left side of the arrow in a chemical equation
  7. physical combinations of two or more different substances that retain their own individual properties and are combined physically (mixed together)

12 Clues: a positive subatomic particle found in the nucleus of an atom. • a subatomic particle with no charge (neutral) found in the nucleus of the atom. • a negatively charged subatomic particle found outside of the nucleus of the atom • Mixture is not uniform throughout, the component substances can be visibly distinguished • ...

Vocab 2 2023-10-02

Vocab 2 crossword puzzle
Across
  1. The amount of matter does not change during a chemical reaction, only that the atoms are rearranged to form new substances. This is evidenced in a balanced chemical equation
  2. Smallest particle in a chemical element or compound that has the chemical properties of that element
  3. pure substances that are composed of two or more types of elements that are chemically combined
  4. a negatively charged subatomic particle found outside of the nucleus of the atom
  5. physical combinations of two or more different substances that retain their own individual properties and are combined physically (mixed together)
Down
  1. a subatomic particle with no charge (neutral) found in the nucleus of the atom
  2. is uniform throughout, the substances are evenly mixed and cannot be visibly distinguished
  3. a positive subatomic particle found in the nucleus of an atom
  4. new substances formed in a chemical reaction and that they are located on the right side of the arrow in a chemical equation
  5. Simplest form of a pure substance that cannot be broken into anything else by physical or chemical means
  6. is not uniform throughout, the component substances can be visibly distinguished
  7. substances broken apart or combined in a chemical reaction and that they are located on the left side of the arrow in a chemical equation

12 Clues: a positive subatomic particle found in the nucleus of an atom • a subatomic particle with no charge (neutral) found in the nucleus of the atom • is not uniform throughout, the component substances can be visibly distinguished • a negatively charged subatomic particle found outside of the nucleus of the atom • ...

vocab 2 2023-10-02

vocab 2 crossword puzzle
Across
  1. is not uniform throughout, the component substances can be visibly distinguished
  2. substances broken apart or combined in a chemical reaction and that they are located on the left side of the arrow in a chemical equation
  3. physical combinations of two or more different substances that retain their own individual properties and are combined physically (mixed together)
  4. of mass - The amount of matter does not change during a chemical reaction, only that the atoms are rearranged to form new substances. This is evidenced in a balanced chemical equation.
  5. Smallest particle in a chemical element or compound that has the chemical properties of that element.
  6. pure substances that are composed of two or more types of elements that are chemically combined
Down
  1. is uniform throughout, the substances are evenly mixed and cannot be visibly distinguished
  2. a negatively charged subatomic particle found outside of the nucleus of the atom
  3. a positive subatomic particle found in the nucleus of an atom.
  4. new substances formed in a chemical reaction and that they are located on the right side of the arrow in a chemical equation.
  5. a subatomic particle with no charge (neutral) found in the nucleus of the atom.
  6. Simplest form of a pure substance that cannot be broken into anything else by physical or chemical means.

12 Clues: a positive subatomic particle found in the nucleus of an atom. • is not uniform throughout, the component substances can be visibly distinguished • a negatively charged subatomic particle found outside of the nucleus of the atom • a subatomic particle with no charge (neutral) found in the nucleus of the atom. • ...

Chemistry U2 Vocab 2023-10-02

Chemistry U2 Vocab crossword puzzle
Across
  1. Mixture is not uniform throughout, the component substances can be visibly distinguished
  2. of conservation of mass The amount of matter does not change during a chemical reaction, only that the atoms are rearranged to form new substances. This is evidenced in a balanced chemical equation.
  3. pure substances that are composed of two or more types of elements that are chemically combined
  4. new substances formed in a chemical reaction and that they are located on the right side of the arrow in a chemical equation.
  5. substances broken apart or combined in a chemical reaction and that they are located on the left side of the arrow in a chemical equation
  6. physical combinations of two or more different substances that retain their own individual properties and are combined physically (mixed together)
Down
  1. Simplest form of a pure substance that cannot be broken into anything else by physical or chemical means.
  2. a negatively charged subatomic particle found outside of the nucleus of the atom
  3. Smallest particle in a chemical element or compound that has the chemical properties of that element.
  4. Mixture is uniform throughout, the substances are evenly mixed and cannot be visibly distinguished
  5. a subatomic particle with no charge (neutral) found in the nucleus of the atom.
  6. a positive subatomic particle found in the nucleus of an atom.

12 Clues: a positive subatomic particle found in the nucleus of an atom. • a negatively charged subatomic particle found outside of the nucleus of the atom • a subatomic particle with no charge (neutral) found in the nucleus of the atom. • Mixture is not uniform throughout, the component substances can be visibly distinguished • ...

Reactions Between Acids and Bases 2021-05-10

Reactions Between Acids and Bases crossword puzzle
Across
  1. The chemical formula for sodium hydroxide
  2. Buildings made of this are damaged by acid rain
  3. Experiment to combine an acid and a base
  4. _________ + sodium hydroxide --> sodium chloride + water
  5. Animal killed by acid rain
  6. Acid + base --> __________ + water
  7. Occurs when an acid and a base are combined
Down
  1. Type of converter in cars used to remove harmful oxides of nitrogen from exhaust fumes
  2. Burning these contributes to acid rain
  3. Equipment that holds the base during a reaction
  4. One type of acid present in acid rain
  5. Equipment that holds the acid during a reaction
  6. A measure of how acidic or basic a substance is
  7. Used to show a colour change in a chemical reaction

14 Clues: Animal killed by acid rain • Acid + base --> __________ + water • One type of acid present in acid rain • Burning these contributes to acid rain • Experiment to combine an acid and a base • The chemical formula for sodium hydroxide • Occurs when an acid and a base are combined • Equipment that holds the base during a reaction • ...

"Oren Chemistry Quarterly Review" 2022-03-21

"Oren Chemistry Quarterly Review" crossword puzzle
Across
  1. The ability to dissolve other substances.
  2. A form that doesn't usually change, usually found in the form of a gas.
  3. A substance made when others are mixed together.
  4. The reaction after the reactant caused the reaction.
  5. a chemical substance.
  6. A substance, which may be liquid or solid.
  7. the ingredients to a substance.
  8. How much of a substance is dissolved.
  9. The ability to dissolve.
Down
  1. A process that changes the phase of the of the subject.
  2. A substance that dissolves into another substance.
  3. A substance that causes the reaction.
  4. Mass the mass of a chemical element
  5. A metal that is made up of two or more metallic substances.

14 Clues: a chemical substance. • The ability to dissolve. • the ingredients to a substance. • Mass the mass of a chemical element • A substance that causes the reaction. • How much of a substance is dissolved. • The ability to dissolve other substances. • A substance, which may be liquid or solid. • A substance made when others are mixed together. • ...

Chemical Reactions and Equations 2024-05-12

Chemical Reactions and Equations crossword puzzle
Across
  1. Substances that take part in a chemical reaction.
  2. A more reactive metal displaces a less reactive metal from its salt solution.
  3. Oxidation and Reduction of reactants taking place simultaneously.
  4. Decomposition by passage of electric current.
  5. Substances formed during a chemical reaction.
  6. Slow Oxidation of Fats and Oils, resulting in foul odour and taste.
  7. Energy is released along with formation of products.
  8. Process in which the original substance loses its nature and identity to form new substance(s) with different properties.
Down
  1. Decomposition in the presence of sunlight.
  2. Energy in the form of heat, light or electricity is absorbed to break down the reactants.
  3. Single reactant breaks down to give simpler products.
  4. Denotes that the reactant or product is present as a solution in water.
  5. Deterioration of a metal caused by the action of substances like moisture and acids in its surroundings.
  6. Mutually exchanged during a double displacement reaction.
  7. Decomposition by heating.
  8. Several reactants combine to form a single product.

16 Clues: Decomposition by heating. • Decomposition in the presence of sunlight. • Decomposition by passage of electric current. • Substances formed during a chemical reaction. • Substances that take part in a chemical reaction. • Several reactants combine to form a single product. • Energy is released along with formation of products. • ...

Unit 2 Dalton Johns 2023-04-04

Unit 2 Dalton Johns crossword puzzle
Across
  1. makes up the cell membrane
  2. when combined it makes organs
  3. special proteins
  4. water loving
  5. in all living things molecules combined into
  6. occurs when cells spend ATP to move molecules
  7. method of moving across the membrane that doesn't use ATP
  8. allows certain molecules in or out of the cell
Down
  1. naturally moves clustered molecules
  2. what comes out of a chemical reaction
  3. tissue is combined to make
  4. combined atoms make
  5. basic units of life
  6. water fearing
  7. required for reactions of the metabolism
  8. a region on enzymes called the
  9. the start of a chemical reaction
  10. all things are made up of
  11. when proteins unfold or break down
  12. made up of organs
  13. diffusion of water across membrane
  14. the organ system an

22 Clues: water loving • water fearing • special proteins • made up of organs • combined atoms make • basic units of life • the organ system an • all things are made up of • makes up the cell membrane • tissue is combined to make • when combined it makes organs • a region on enzymes called the • the start of a chemical reaction • when proteins unfold or break down • ...

Unit 2 Puzzle 2023-10-04

Unit 2 Puzzle crossword puzzle
Across
  1. all living things on earth
  2. oxygen is present
  3. site of steps 2 and 3 of aerobic cellular respiration
  4. substances created during a chemical reaction
  5. all the water on the earth
  6. all the gases surrounding earth
  7. type of organism that can make its own food
  8. organelle, site of photosynthesis
  9. two types, second step of anaerobic respiration
Down
  1. adenosine diphosphate
  2. type of organism that must eat other organisms
  3. all rocks/soil on earth
  4. anything with mass and takes up space
  5. types of organism that breaks down biotic compounds, recycler
  6. first step of aerobic respiration
  7. substances at the beginning of a chemical reaction
  8. process of using light energy to move glucose
  9. nutrient, used in proteins and nucleic acids
  10. adenosine triphosphate
  11. pigment in chloroplasts

20 Clues: oxygen is present • adenosine diphosphate • adenosine triphosphate • all rocks/soil on earth • pigment in chloroplasts • all living things on earth • all the water on the earth • all the gases surrounding earth • first step of aerobic respiration • organelle, site of photosynthesis • anything with mass and takes up space • type of organism that can make its own food • ...

KINETICS 2016-04-13

KINETICS crossword puzzle
Across
  1. Non- continuous method of detecting change during a reaction.
  2. This was developed to help explain how changes in conditions affect the rate of reaction.
  3. A high energy molecular structure formed as a result of successful collision of reactant molecule.
  4. A technique used to stop a reaction at the moment a sample is withdrawn.
  5. Works by passing light through the solution being studied.
  6. The reciprocal of time.
  7. Is the energy that must be overcome for a chemical reaction to occur.
  8. In the reaction of zinc with dilute hydrochloric acid, what is the preferred physical state of the metal to ensure rapid reaction.
  9. The temperature in kelvin (K).
  10. He established the relationship between absolute temperature and reaction rate.
Down
  1. The energy associated with movement of particles.
  2. This formation of this solution is the end point and will hide the cross.
  3. Refers to the orientation of the particles with respect to each other
  4. A substance that changes the rate of reaction.
  5. A biological catalyst.
  6. The effect of raising temperature on reaction rate.
  7. He is credited with coining the term, catalyst.
  8. This method of measuring rate of reaction cannot be used where Hydrogen gas is evolved.
  9. Scottish Scientist who developed distribution curve for kinetic energy values.

19 Clues: A biological catalyst. • The reciprocal of time. • The temperature in kelvin (K). • A substance that changes the rate of reaction. • He is credited with coining the term, catalyst. • The energy associated with movement of particles. • The effect of raising temperature on reaction rate. • Works by passing light through the solution being studied. • ...

3.2 Key Terms 2021-04-26

3.2 Key Terms crossword puzzle
Across
  1. Change of Formation, the energy change that takes place when 1 mole of a compound is formed from its constituent elements in their standard state, under standard conditions
  2. Change of Reaction, the energy change associated with a given reaction
  3. Equilibrium, exists in a closed system when the rate of the forward reaction is equal to the rate of the reverse reaction
  4. Distribution, the distribution of energies of molecules at a particular temperature, often shown as a graph
  5. Bond Enthalpy, the mean energy needed for 1 mole of a given type of gaseous bonds to undergo homolytic fission
  6. Chateliers Principle, when a system in dynamic equilibrium is subjected to a change, the position of equilibrium will shift to minimise the change
  7. a diagram of a reaction that allows you to compare the enthalpy of the reactants with the products
  8. Change of Neutralisation, the energy change associated with the formation of 1 mole of water from a neutralisation reaction, under standard conditions
  9. the energy change that takes place when 1 mole of a substance is completely combusted, under standard conditions
  10. a catalyst used in a reaction which is in the same phase as the reactant
Down
  1. of Reaction, the change in concentration of a reactant or product in a given time
  2. a reaction in which the enthalpy of the products is smaller than the enthalpy of the reactants (9)
  3. Energy, the minimum energy required to start a reaction by breaking bonds in the reactants
  4. a reaction in which the enthalpy of the products is greater than the enthalpy of the reactants (10)
  5. Law, states that the enthalpy change in a chemical reaction is independent of the route it takes
  6. a catalyst used in a reaction which is in a different phase to the reactants
  7. the quantitative study of energy change in a chemical reaction
  8. Heat Capacity, the energy required to raise 1g of a substance by 1K
  9. Constant, gives the position of where equilibrium lays, by giving the ratio between products and reactants

19 Clues: the quantitative study of energy change in a chemical reaction • Heat Capacity, the energy required to raise 1g of a substance by 1K • Change of Reaction, the energy change associated with a given reaction • a catalyst used in a reaction which is in the same phase as the reactant • a catalyst used in a reaction which is in a different phase to the reactants • ...

Reactions & Enzymes 2024-02-05

Reactions & Enzymes crossword puzzle
Across
  1. reactant of an enzyme-catalyzed reaction
  2. substance that speeds up a chemical reaction
  3. process that changes one set of chemicals into another set
  4. elements or compounds that are produced by a chemical reaction
  5. protein catalyst
Down
  1. energy needed to start a chemical reaction
  2. elements or compounds that enter into a chemical reaction

7 Clues: protein catalyst • reactant of an enzyme-catalyzed reaction • energy needed to start a chemical reaction • substance that speeds up a chemical reaction • elements or compounds that enter into a chemical reaction • process that changes one set of chemicals into another set • elements or compounds that are produced by a chemical reaction

chemical reactions Casandra McCullough Burkholder science 2017-10-03

chemical reactions Casandra McCullough Burkholder science crossword puzzle
Across
  1. a substance that lowers the activation of energy of a chemical reaction, which allows for the reaction to proceed at a faster rate
  2. bond energy is also known as this.
  3. in this reaction, there is a net release of energy.
  4. law that states no atoms are gained or lost during any reaction
  5. how quickly the concentration of the reactants decreases and how quickly the concentration of products increases
Down
  1. in this reaction, there is a net absorption of the energy.
  2. is a chemical that donates a hydrogen ion
  3. __ may collide without enough force to break the bonds
  4. during __ one or more new compounds are formed as a result of the rearrangement of atoms
  5. is a chemical that accepts a hydrogen ion

10 Clues: bond energy is also known as this. • is a chemical that donates a hydrogen ion • is a chemical that accepts a hydrogen ion • in this reaction, there is a net release of energy. • __ may collide without enough force to break the bonds • in this reaction, there is a net absorption of the energy. • law that states no atoms are gained or lost during any reaction • ...

Materials Science Crossword 2020-12-16

Materials Science Crossword crossword puzzle
Across
  1. If a material absorbs a lot of water, you can say it is ....................
  2. Mixing bicarbonate of soda with vinegar is a .............reaction and gas is produced.
  3. When water turns into water vapour it.........
  4. A chemical reaction is .................
  5. Small grains of sugar dissolve .......... than large grains of sugar.
Down
  1. This kind of reaction is reversible.
  2. Salt and sugar are ...............in water.
  3. This material can be rigid or flexible.
  4. Sugar .............. in water.
  5. Burning is a ..........reaction.
  6. water vapour is a kind of ......
  7. When you only change one variable an experiment is ......
  8. When ice turns to water it ......

13 Clues: Sugar .............. in water. • Burning is a ..........reaction. • water vapour is a kind of ...... • When ice turns to water it ...... • This kind of reaction is reversible. • This material can be rigid or flexible. • A chemical reaction is ................. • Salt and sugar are ...............in water. • When water turns into water vapour it......... • ...

Materials Science Crossword 2020-12-16

Materials Science Crossword crossword puzzle
Across
  1. If a material absorbs a lot of water, it is an ............... material.
  2. Mixing bicarbonate of soda with vinegar is a .............reaction and gas is produced.
  3. When water turns into water vapour it.........
  4. A chemical reaction is .................
  5. Small grains of sugar dissolve .......... than large grains of sugar.
Down
  1. This kind of reaction is reversible.
  2. Salt and sugar are ...............in water.
  3. This material can be rigid or flexible.
  4. Sugar .............. in water.
  5. Burning is a ..........reaction.
  6. water vapour is a kind of ......
  7. When you only change one variable an experiment is ......
  8. When ice turns to water it ......

13 Clues: Sugar .............. in water. • Burning is a ..........reaction. • water vapour is a kind of ...... • When ice turns to water it ...... • This kind of reaction is reversible. • This material can be rigid or flexible. • A chemical reaction is ................. • Salt and sugar are ...............in water. • When water turns into water vapour it......... • ...

Chem Vocab Unit 6 2015-11-02

Chem Vocab Unit 6 crossword puzzle
Across
  1. an equation representing only the substances which react in a chemical reaction
  2. when two substances come together chemically to make one
  3. a reaction resulting water and CO2
  4. when the reactants don't change
  5. the rate at which a solid dissolves
  6. when one substance chemically separates into two
  7. dissolved in water
  8. the ability for a substance to dissolve in an solute
  9. a chemical reaction where two substances transfer electrons
Down
  1. when one compound is replaced by part of another
  2. matter can not be created or destroyed
  3. two compounds exchange ions

12 Clues: dissolved in water • two compounds exchange ions • when the reactants don't change • a reaction resulting water and CO2 • the rate at which a solid dissolves • matter can not be created or destroyed • when one compound is replaced by part of another • when one substance chemically separates into two • the ability for a substance to dissolve in an solute • ...

Unit 4 Vocabulary 2019-04-04

Unit 4 Vocabulary crossword puzzle
Across
  1. A chemical formula that shows the number and kinds of atoms in a molecule
  2. The calculation of quantities in chemical reactions
  3. A method of writing or displaying numbers in terms of a decimal number between 1 and 10 multiplied by a power of 10.
  4. Matter is not created nor destroyed in any chemical or physical change (must balance reaction equations to show this)
  5. A reactant that is totally consumed during a chemical reaction, limits the extent of the reaction, and determines the amount of product.
  6. a conversion factor from the coefficients of a balanced chemical equation
  7. A measurement of how much solute exists within a certain volume of solvent
Down
  1. the percent by mass of each element in a compound
  2. unit of concentration: moles of solute/liters of solution
  3. a technique of problem-solving that uses the units that are part of a measurement to help solve the problem
  4. the percent by mass of a component of a mixture or of a given element in a compound
  5. a chemical formula showing the smallest whole number ratio of elements in a compound rather than the total number of atoms
  6. mass of one mole of a substance (units g/mol)

13 Clues: mass of one mole of a substance (units g/mol) • the percent by mass of each element in a compound • The calculation of quantities in chemical reactions • unit of concentration: moles of solute/liters of solution • A chemical formula that shows the number and kinds of atoms in a molecule • a conversion factor from the coefficients of a balanced chemical equation • ...

Julie 2.1 vocab 2021-10-27

Julie 2.1 vocab crossword puzzle
Across
  1. reaction that gives off thermal energy
  2. as substance present before a chemical reaction
  3. absorbs heat energy
  4. process that changes substances
Down
  1. process that changes substance into new substance
  2. formed during a chemical reaction
  3. matter that does not effect its chemical composition
  4. solid,liquid,gas

8 Clues: solid,liquid,gas • absorbs heat energy • process that changes substances • formed during a chemical reaction • reaction that gives off thermal energy • as substance present before a chemical reaction • process that changes substance into new substance • matter that does not effect its chemical composition

Photosynthesis 2022-06-07

Photosynthesis crossword puzzle
Across
  1. the most abundant light-absorbing pigment
  2. chemical reactions and processes occurring at the cellular level
  3. this gas was not present in Earth's early atmosphere, but is essential to life
  4. the viscous fluid inside of the chloroplast
  5. metabolic reactions that allow autotrophs to harness the sun's energy
  6. the interior of a thylakoid
  7. pores in leaves that allow for gas exchange
  8. facilitates a chemical reaction, but is not one of the reactants
  9. common nickname for ribulose 1,5-bisphosphate carboxylase/oxygenase
  10. a reaction where energy is consumed
  11. biological catalyst
Down
  1. a reaction where energy is released
  2. also known as PGAL and this is the 3-carbon product of photosynthesis
  3. creates inefficiency during hot days when rubisco combines with oxygen rather than carbon dioxide
  4. to lose an electron
  5. flattened membrane sacks found within the chloroplast
  6. ___________ pigments transfer absorbed energy to chlorophyll a
  7. to gain an electron
  8. _______ cycle - where carbon is fixed into complex molecules.

19 Clues: to lose an electron • to gain an electron • biological catalyst • the interior of a thylakoid • a reaction where energy is released • a reaction where energy is consumed • the most abundant light-absorbing pigment • the viscous fluid inside of the chloroplast • pores in leaves that allow for gas exchange • flattened membrane sacks found within the chloroplast • ...

Endo/Exo 2023-12-01

Endo/Exo crossword puzzle
Across
  1. Needed to break bonds
  2. absorbes heat
  3. When two or more elements mix together
Down
  1. A source of energy
  2. a substance that takes part in and undergoes change during a reaction
  3. Joined by a chemical reaction
  4. A process in which a chemical substance changes because of the addition of oxygen
  5. releases heat
  6. Substance reacts with oxygen and gives off heat
  7. To separate

10 Clues: To separate • absorbes heat • releases heat • A source of energy • Needed to break bonds • Joined by a chemical reaction • When two or more elements mix together • Substance reacts with oxygen and gives off heat • a substance that takes part in and undergoes change during a reaction • A process in which a chemical substance changes because of the addition of oxygen

Chemistry 5.02 2022-05-28

Chemistry 5.02 crossword puzzle
Across
  1. has a pH of 7
  2. element found in all acids
  3. used to check pH level, indicator
  4. ions found in a alkali solution
  5. chemical symbol K
  6. pH above 7
  7. bond which consists of sharing electrons
  8. high concentration in a solution
  9. main topic key word
  10. chemical symbol NH
Down
  1. pH less than 7
  2. a mixture
  3. color acid becomes on the pH scale
  4. ions found in a acid solution
  5. color alkali becomes on the pH scale
  6. low concentration in a solution
  7. word used when something happens in a experiment
  8. way to know if it is a alkali solution
  9. bond which includes electrostatic attraction
  10. chemical symbol Na
  11. chemical symbol Ca

21 Clues: a mixture • pH above 7 • has a pH of 7 • pH less than 7 • chemical symbol K • chemical symbol Na • chemical symbol Ca • chemical symbol NH • main topic key word • element found in all acids • ions found in a acid solution • ions found in a alkali solution • low concentration in a solution • high concentration in a solution • used to check pH level, indicator • ...

Chemical Reactions 2024-04-29

Chemical Reactions crossword puzzle
Across
  1. Process where atoms are rearranged into new molecules to form a new substance (2 words)
  2. When two or more atoms are connected
  3. Number telling how many of a molecule are in the reaction
  4. Characteristics only observed by changing the arrangement of atoms in the substance (2 words)
  5. Substances that go into a chemical reaction
  6. Characteristics observed without changing the type of atoms in the substance (2 words)
  7. Chemical equations must be ________ with the same number of each atom on both sides of the equation
  8. The Law of ________ of Matter states that matter cannot be created or destroyed
  9. Substances that exist at the end of the reaction
Down
  1. Number telling how many of each atom is in a molecule
  2. Two or more atoms of different elements bonded together
  3. Two or more non-metal atoms bonded together
  4. Characteristics of a substance
  5. Everything that has mass and takes up space
  6. One or more letters representing an element (2 words)
  7. Drawn between the reactants and products showing the direction of the reaction

16 Clues: Characteristics of a substance • When two or more atoms are connected • Two or more non-metal atoms bonded together • Everything that has mass and takes up space • Substances that go into a chemical reaction • Substances that exist at the end of the reaction • Number telling how many of each atom is in a molecule • One or more letters representing an element (2 words) • ...

Unit 2 Vocab 2023-02-16

Unit 2 Vocab crossword puzzle
Across
  1. - attraction between molecules of the same substance
  2. - a compound that produces hydroxide ions (OH-) in solution; a solution with a pH of more than 7
  3. - mixture of water and nondissolved material
  4. - molecules composed of many monomers; makes up macromolecules
  5. - dissolving substance in a solution
  6. - pure substance that consists entirely of one type of atom
  7. - negatively charged particle; located in the space surrounding the nucleus
  8. - elements or compounds produced by a chemical reaction
  9. - smallest unit of most compounds that displays all the properties of that compound
  10. - subunit of which nucleic acids are composed; made up of a 5-carbon sugar, a phosphate group, and a nitrogenous base
  11. - elements or compounds that enter into a chemical reaction
  12. - a compound that forms hydrogen ions (H+) in solution; a solution with a pH of less than 7
Down
  1. - the center of an atom, which contains the protons and neutrons
  2. - compound made up of carbon, hydrogen, and oxygen atoms; type of nutrient that is the major source of energy for the body
  3. - force of attraction between different kinds of molecules
  4. - macromolecule that contains carbon, hydrogen, oxygen and nitrogen; needed by the body for growth and repair
  5. - reactant of an enzyme-catalyzed reaction
  6. - one of several forms of a single element, which contains the same number of protons but different numbers of neutrons
  7. - protein catalyst that speeds up the rate of specific biological reactions
  8. - substance that is dissolved in a solution
  9. - small chemical unit that makes up a polymer
  10. - the basic unit of matter
  11. - substance formed by the chemical combination of two or more elements in definite proportions
  12. - a compound that prevents sharp, sudden changes in pH
  13. - material composed of two or more elements or compounds that are physically mixed together but not chemically combined
  14. - type of mixture in which all the components are evenly distributed
  15. - substance that speeds up the rate of a chemical reaction
  16. - macromolecule made mostly from carbon and hydrogen atoms; includes fats, oils, and waxes

28 Clues: - the basic unit of matter • - dissolving substance in a solution • - reactant of an enzyme-catalyzed reaction • - substance that is dissolved in a solution • - mixture of water and nondissolved material • - small chemical unit that makes up a polymer • - attraction between molecules of the same substance • - a compound that prevents sharp, sudden changes in pH • ...

Science Whiz 2023-04-27

Science Whiz crossword puzzle
Across
  1. A physical method used to separate mixtures
  2. The small (offset) number that tells the number of atoms of an element in each molecule
  3. A mixture of larger particles that are visible and will separate out
  4. Which type of bond is described as electrons in a matrix of positively charged atoms
  5. What is the Universal Solvent
  6. Metals are elements that will _____ electrons
  7. Which type of electron occupies the outermost energy level or shell of an atom?
  8. An atom that has a positive or negative electrical charge
  9. Substance (2words) what does a chemical change always result in
  10. The number in front of the molecules symbol which indicates the number of molecules of a substance
  11. The largest amount of a solute that can dissolve in a certain amount of solvent
  12. A homogeneous mixture of larger particles that remain suspended but form lumpy or fluffy masses when vinegar is added
  13. The solubility of a solute is the largest amount of solute that can dissolve in a certain quantity of ____
  14. A metal such as copper or silver is transferred from one surface to another using electric current
  15. An atom with a positive charge
Down
  1. An atom with a negative charge
  2. A solid that forms as a result of a chemical reaction when two solutions are mixed.
  3. The periodic table is organized so that atoms of elements with the same number of valence electrons are in _____
  4. Are broken in existing molecules or compounds
  5. Nonmetals are elements that will _____ electrons
  6. Which type of bond is responsible for the attraction of one water molecule to another
  7. Homogeneous mixture formed when substances dissolve
  8. The result ( new substance)from a chemical reaction
  9. Are bonds within a molecule, that hold the molecule together
  10. What compounds are formed from two nonmetals
  11. A reaction of a substance with oxygen to form an oxide with heat and light (fire) also burning
  12. Electric current is passed through a substance to effect a chemical change
  13. How many valence electrons do most elements want?
  14. The original substance in a chemical reaction either disappears or diminishes
  15. Dissolved in the solvent

30 Clues: Dissolved in the solvent • What is the Universal Solvent • An atom with a negative charge • An atom with a positive charge • A physical method used to separate mixtures • What compounds are formed from two nonmetals • Are broken in existing molecules or compounds • Metals are elements that will _____ electrons • Nonmetals are elements that will _____ electrons • ...

Mole and Stoichiometry Crossword 2022-05-20

Mole and Stoichiometry Crossword crossword puzzle
Across
  1. standard sets of conditions for experimental measurements to be established to allow comparisons to be made between different sets of data.
  2. 6.02214076 x 10^23 of some chemical unit.
  3. a reactant present in an amount in excess of that required to combine with all of the limiting reactants.
  4. the relationship between the relative quantities of substances taking part in a reaction or forming a compound.
  5. the concentration of a solution measured as the number of moles of solute per liter of solution.
  6. 6.02214 x 10^23 mol^-1
  7. the maximum amount of product that could be formed from the given amounts of reactants.
  8. the amount of a substance dissolved in a certain mass of solvent.
  9. the amount of product that is actually formed when the reaction is carried in the laboratory.
  10. an arithmetical multiplier for converting a quantity expressed in one set of units into an equivalent expressed in another.
Down
  1. tells you by mass what percent of each element is present in a compound.
  2. the percent ratio of actual yield to the theoretical yield.
  3. the reactant that gets consumed first in a chemical reaction and therefore limits how much product can be formed.
  4. a conversion factor between compounds in a chemical reaction that is derived from the coefficients of the compounds in a balanced equation.
  5. the smallest unit in which a substance naturally exists.
  6. the volume of 1 mole of a substance.
  7. the simplest whole number ratio of atoms present in a compound.
  8. the mass of a sample of a chemical compound divided by the amount of substance in that sample, measured in moles.

18 Clues: 6.02214 x 10^23 mol^-1 • the volume of 1 mole of a substance. • 6.02214076 x 10^23 of some chemical unit. • the smallest unit in which a substance naturally exists. • the percent ratio of actual yield to the theoretical yield. • the simplest whole number ratio of atoms present in a compound. • the amount of a substance dissolved in a certain mass of solvent. • ...

Science vocab 2014-11-09

Science vocab crossword puzzle
Across
  1. The smallest compound of an element which can normally exist by itself and still have that properties of that element.
  2. An ion with a positive electric charge. An atom which has lost one or more electrons.
  3. A solid which forms and settles into a solution.
  4. compound A compound made up of ions.
  5. The substances that change as a result of a chemical change.
  6. A substance containing two or more elements which have been chemically combined.
  7. compound A compound made up of molecules; the molecules consist of atoms that are linked by sharing electrons.
  8. A charged particle;an atom or group of atoms which has lost or gained electrons.
Down
  1. A way of describing the composition of a substance,using symbols and numbers.
  2. reaction A reaction that absorbs energy in the from of heat
  3. The substances formed as a result of a chemical change.
  4. energy The energy needed for a reaction to occur.
  5. reaction An energy that releases energy in the form of heat.
  6. An ion with a negative electric charge. An atom which has gained one or more electrons.
  7. The way chemists write down chemical reactions,using the symbols and formula of the chemicals taking part.

15 Clues: compound A compound made up of ions. • A solid which forms and settles into a solution. • energy The energy needed for a reaction to occur. • The substances formed as a result of a chemical change. • reaction A reaction that absorbs energy in the from of heat • reaction An energy that releases energy in the form of heat. • ...

Thermochemistry 2022-05-24

Thermochemistry crossword puzzle
Across
  1. device used to measure heat
  2. sum of kinetic and potential energy
  3. the quantity of heat needed to raise the temperature
  4. the SI unit of energy
  5. the change in enthalpy
  6. non SI unit of energy
  7. standard thermodynamics
  8. a system that depends on its present state
  9. a chemical or physical reaction were heat is involved
  10. a chemical or physical reaction were heat is absorbed
  11. energy that flows with difference of temperature
Down
  1. an extensive property of a substance
  2. the quantity of heat needed to raise constant pressure
  3. energy associated with an object's movement
  4. the energy required by a system to change
  5. the potential to move matter
  6. the value of q
  7. the stablest form
  8. two more distinct forms of energy
  9. the energy an object has by position

20 Clues: the value of q • the stablest form • the SI unit of energy • non SI unit of energy • the change in enthalpy • standard thermodynamics • device used to measure heat • the potential to move matter • two more distinct forms of energy • sum of kinetic and potential energy • the energy an object has by position • an extensive property of a substance • ...

UNIT 2 2022-09-29

UNIT 2 crossword puzzle
Across
  1. sphere of earth, all the gases surrounding earth
  2. process of using light energy to make glucose
  3. second step of aerobic respiration
  4. describes a situation in which oxygen is present
  5. substances at the beginning of a chemical reaction
  6. sphere of earth, all living things on earth
  7. adenosine triphosphate
  8. first step of aerobic respiration
  9. pigment in chloroplast
  10. substances created during a chemical reaction
Down
  1. second step of photosynthesis
  2. first step of photosynthesis
  3. process of breaking down glucose to make ATP
  4. sphere of earth, all soil and rocks
  5. adenosine phosphate
  6. anything that has mass and takes up space
  7. second step of anaerobic respiration
  8. organelle-site of photosynthesis
  9. nutrient used in phosphates of nucleic acids
  10. sphere of earth, all water on earth

20 Clues: adenosine phosphate • adenosine triphosphate • pigment in chloroplast • first step of photosynthesis • second step of photosynthesis • organelle-site of photosynthesis • first step of aerobic respiration • second step of aerobic respiration • sphere of earth, all soil and rocks • sphere of earth, all water on earth • second step of anaerobic respiration • ...

Administration of Medication 2013-08-16

Administration of Medication crossword puzzle
Across
  1. inherited bleeding disorder caused by a clotting deficiency
  2. part of label with prescription symbol
  3. serious allergic reaction
  4. shows on label, name and dose of drug
  5. chemical used in treatment or diagnosis of disease
  6. sealed glass container holding single dose
  7. fluids, medications or nutrients into vein
  8. part of label showing doses and directions
  9. whole blood through the veins
Down
  1. chemical used to treat disease
  2. indicates what to put on medication label
  3. quantity of drug given at one time
  4. restricted drugs subject for abuse
  5. physician order to pharmacist
  6. substance capable of causing allergic reaction
  7. Nutrients entered to the GI through a tube
  8. closed glass container with rubber stopper
  9. an area of hardened tissue
  10. small raised area on skin
  11. medication through injection

20 Clues: serious allergic reaction • small raised area on skin • an area of hardened tissue • medication through injection • physician order to pharmacist • whole blood through the veins • chemical used to treat disease • quantity of drug given at one time • restricted drugs subject for abuse • shows on label, name and dose of drug • part of label with prescription symbol • ...

Science Chp 5 2025-02-18

Science Chp 5 crossword puzzle
Across
  1. the ending materials in a chemical reaction
  2. whenever bonds between atoms and molecules are created or destroyed
  3. the reaction happens by itself
  4. when two or more molecules combine with each other to make a new molecule
Down
  1. when one atom kicks another atom out of a molecule
  2. the creation of a solid from a solution during a chemical reaction
  3. when a molecule decomposes, or breaks apart, into two or more molecules
  4. when one atom trades places with another atom
  5. the starting materials in a chemical reaction

9 Clues: the reaction happens by itself • the ending materials in a chemical reaction • when one atom trades places with another atom • the starting materials in a chemical reaction • when one atom kicks another atom out of a molecule • the creation of a solid from a solution during a chemical reaction • whenever bonds between atoms and molecules are created or destroyed • ...

Science Vocab 2 2023-10-02

Science Vocab 2 crossword puzzle
Across
  1. Simplest form of a pure substance that cannot be broken into anything else by physical or chemical means.
  2. - a negatively charged subatomic particle found outside of the nucleus of the atom
  3. - physical combinations of two or more different substances that retain their own individual properties and are combined physically (mixed together)
  4. - a subatomic particle with no charge (neutral) found in the nucleus of the atom.
  5. of conservation of mass - The amount of matter does not change during a chemical reaction, only that the atoms are rearranged to form new substances. This is evidenced in a balanced chemical equation.
  6. - pure substances that are composed of two or more types of elements that are chemically combined
  7. Mixture - is uniform throughout, the substances are evenly mixed and cannot be visibly distinguished
Down
  1. Mixture - is not uniform throughout, the component substances can be visibly distinguished
  2. - new substances formed in a chemical reaction and that they are located on the right side of the arrow in a chemical equation.
  3. - substances broken apart or combined in a chemical reaction and that they are located on the left side of the arrow in a chemical equation
  4. - a positive subatomic particle found in the nucleus of an atom.
  5. Smallest particle in a chemical element or compound that has the chemical properties of that element.

12 Clues: - a positive subatomic particle found in the nucleus of an atom. • - a negatively charged subatomic particle found outside of the nucleus of the atom • - a subatomic particle with no charge (neutral) found in the nucleus of the atom. • Mixture - is not uniform throughout, the component substances can be visibly distinguished • ...

Menu project Ethan King 2023-03-30

Menu project Ethan King crossword puzzle
Across
  1. reaction to sunlight
  2. reaction to touch
  3. multi pull elements
  4. element used to fill bloons
  5. reaction to water
  6. system in body that digests food
  7. letter found on periodic table
Down
  1. graph that shows all elements
  2. a change that is chemical
  3. element used in pools
  4. a change that is physical
  5. Start of digestive system
  6. element you inhale

13 Clues: reaction to touch • reaction to water • element you inhale • multi pull elements • reaction to sunlight • element used in pools • a change that is chemical • a change that is physical • Start of digestive system • element used to fill bloons • graph that shows all elements • letter found on periodic table • system in body that digests food