chemical reaction Crossword Puzzles
Brianna Massaro- chemisrty 2019-10-17
Across
- the mass of an atom.
- is a solid that emerges from a liquid.
- it tells us the number of atoms of each element in a compound.
- the basic unit of an element.
- likes the same kind
- the weight of something
- A physical property is any property that is measurable
- an equation for a chemical reaction in which the number of atoms for each element in the reaction and the total charge are the same for both the reactants and the products.
- occurs because the gas molecules are in continuous random motion.
- a person engaged in chemical research or experiments.
- it is a substance that is made entirely from one type of atom.
Down
- chemical substances being held together by attraction of atoms to each other through sharing.
- dissolves some metals.
- a substance that takes part in and undergoes change during a reaction.
- lipped cylindrical glass container for laboratory use.
- goods you sell and ship to customers.
- is composed by two or more separate elements.
- With regard to atoms or atomic energy.
- dissolves in the solvent
- the person who developed a periodic table
- a weak bond between two molecules resulting from an electrostatic attraction between a proton in one molecule and an electronegative atom in the other.
- any metirial properties that happens during,or after a chemical reaction.
- a number of carbon atoms joined in a row.
- the number of atoms in the molecules of an element
- a liquid mixture in which the minor component.
25 Clues: likes the same kind • the mass of an atom. • dissolves some metals. • the weight of something • dissolves in the solvent • the basic unit of an element. • goods you sell and ship to customers. • is a solid that emerges from a liquid. • With regard to atoms or atomic energy. • the person who developed a periodic table • a number of carbon atoms joined in a row. • ...
Physics and Chemistry (Megan and Nisa) 2017-05-28
Across
- - A family of elements with similar chemical properties
- - an atom with negative charge
- - an atom with positive charge
- - A type of metal that reacts with other chemicals
- Table - Elements can be found in it
- - also known as H2O
- - Reaction that releases energy by light or heat
- - how many groups are there in the periodic table
- - a liquid used to dissolve another substance
- - an expression of chemical composition
Down
- - chemical element of atomic number 7, a colorless, odorless gas
- - Water and oxygen make this element
- - The smallest particle of an element
- - Reaction that releases cold
- dioxide - also known as Co2
- - materials which are considered essential to the support of biological life
- - a series of elements
- - simplest structural unit of a substance
- - The purest of all
- - also known as O2
20 Clues: - also known as O2 • - also known as H2O • - The purest of all • - a series of elements • dioxide - also known as Co2 • - Reaction that releases cold • - an atom with negative charge • - an atom with positive charge • Table - Elements can be found in it • - Water and oxygen make this element • - The smallest particle of an element • - an expression of chemical composition • ...
Unit 2 Jayna Luthman 2023-04-04
Across
- group of tissues
- energy used to create chemical reaction
- a group of molecules
- diffusion of water in a cell membrane
- basic unit of matter
- phospholipid tail (water fearing)
- group of cells
- allows certain molecules in and out of the cell
- when the active site's shape changes
- basic unit of life
- when cells use atp to move across the cell membrane
Down
- all the parts and functions put together form this
- molecules start out clustered then they disperse
- when molecules move around the membrane without the use of atp
- what leaves the active site after the chemical reaction
- phospholipid head (water loving)
- reacts with the enzyme at the active site (fits like a lock and key)
- a group of atoms
- protein that speeds up chemical reactions
- membrane whatpartofthecellmakesphospholipids
- where the enzyme binds with the substrate
21 Clues: group of cells • group of tissues • a group of atoms • basic unit of life • a group of molecules • basic unit of matter • phospholipid head (water loving) • phospholipid tail (water fearing) • when the active site's shape changes • diffusion of water in a cell membrane • energy used to create chemical reaction • protein that speeds up chemical reactions • ...
Tyler Proulx 2019-06-12
Across
- chemical rule that reflects observation
- way of presenting information about chemical proportions of atoms
- Co
- NaF
- CaS
- substance that is not conductive
- Hg0(s)-->Hg(1)+Oz(g)
- H20 forms only between atoms of nonmetals
- positively charged ion
- 14 electrons
- A12S3
- single element reacts with a compound
- substance that takes part in and undergoes change during a reaction
- S50
- A+B-->AB
- group of atoms bonded together
- total energy of an isolated system remains constant
- 4 electrons
Down
- formed by chemical reactions species
- forces that hold atoms together
- AB+CD-->CB+AD
- contains 7 valence electrons
- 42
- 51
- representation of a chemical reaction in the form of symbols
- NaC1
- negatively charged ion
- (2H2(g)+0z(g)-->(02(g)+H20(1)
- temperature of which a given solid will melt
- 1s^2 2s^2 2p^3
- substance that conducts electricity when dissolved in water
- an atom or molecule with an electric charge
32 Clues: 42 • 51 • Co • NaF • CaS • S50 • NaC1 • A12S3 • A+B-->AB • 4 electrons • 14 electrons • AB+CD-->CB+AD • 1s^2 2s^2 2p^3 • Hg0(s)-->Hg(1)+Oz(g) • negatively charged ion • positively charged ion • contains 7 valence electrons • (2H2(g)+0z(g)-->(02(g)+H20(1) • group of atoms bonded together • forces that hold atoms together • substance that is not conductive • formed by chemical reactions species • ...
Alexandra Gillen- Chapter 13 2016-10-12
Across
- A chemical that donates a hydrogen ion, H+.
- Change the substance and rearrange atoms.
- AB + C -> AC + B
- A chemical that accepts a hydrogen ion, H+.
- Energy transfers from reactants TO surroundings.
- When reaction and its reverse act at the same rate.
- A substance that undergoes a chemical change.
- Energy is transferred to reactants FROM products.
- AB + oxygen -> oxides of A & B + H2O.
Down
- Must be added to break bonds;forming bonds releases energy.
- The energy stored in chemicals that can be released during a reaction.
- A + B -> AB
- AB + CD -> AD + BC
- AB -> A + B
- A substance that is the result of the chemical change.
15 Clues: A + B -> AB • AB -> A + B • AB + C -> AC + B • AB + CD -> AD + BC • AB + oxygen -> oxides of A & B + H2O. • Change the substance and rearrange atoms. • A chemical that donates a hydrogen ion, H+. • A chemical that accepts a hydrogen ion, H+. • A substance that undergoes a chemical change. • Energy transfers from reactants TO surroundings. • ...
Chemical Reactions 2024-08-30
Across
- The name of a reaction where a complex substance is broken down into simpler parts
- Name of the experiment that uses hydrochloric acid and magnesium to create a big bang!
- Substances on the right hand side of a chemical equation
- Substances on the left hand side of a chemical equation
- Complete the reaction: Oxygen + Hydrogen -->
- The name of the reaction where a single element switches places with an element in a compound to form two new products
Down
- Complete the reaction: Calcium oxide + carbon dioxide -->
- Substances on the left hand side of a chemical equation
- A substance made up of more than once element
- The chemical formula for sodium hydroxide
- The first element on the periodic table
- The name of a reaction where two substances combine to form another substance
- A pure substance that cannot be broken down into smaller parts
13 Clues: The first element on the periodic table • The chemical formula for sodium hydroxide • Complete the reaction: Oxygen + Hydrogen --> • A substance made up of more than once element • Substances on the left hand side of a chemical equation • Substances on the left hand side of a chemical equation • Substances on the right hand side of a chemical equation • ...
Unit 7 Vocabulary 2021-02-08
Across
- Change - a change in matter that does not involve a change in chemical makeup.
- Reaction - a chemical reaction where energy is given off in the form of heat or light.
- - a substance that undergoes a chemical change.
- - a substance that results form a chemical change.
Down
- - a solid that is formed by combining two liquids that undergo a chemical reaction.
- Reaction - a chemical reaction where energy is absorbed and temperature usually decreases.
- of Conservation of Mass - the rule that states that matter cannot be created or destroyed during chemical reactions.
- Reaction - a process in which one or more substances change to form one or more new substances with different chemical makeups.
8 Clues: - a substance that undergoes a chemical change. • - a substance that results form a chemical change. • Change - a change in matter that does not involve a change in chemical makeup. • - a solid that is formed by combining two liquids that undergo a chemical reaction. • Reaction - a chemical reaction where energy is given off in the form of heat or light. • ...
marie lisa 2021-02-01
Across
- someone who worked on gravity and inertia
- used to clean or to fill the glassware
- the recipe to do an experiment
- something which can hurt.
- it is composed of a lot of different elements
- scientist who made the low of the pendulum
- the cellular theory was demonstrated by him
- glassware to measure the volume of the solution
- something poduced in a chemical reaction
- someone who discovered the atoms composition
- used to close the flask
Down
- products are created from rectants inside it
- experiments are done by someone to demonstrate something.
- new chemical species are created from it
- used to heat the solution in the glassware
- the electric battery
- something which reacts during a chemical reaction
- solution with water
- action to separate different elements
- glassware to countain a solution
20 Clues: solution with water • the electric battery • used to close the flask • something which can hurt. • the recipe to do an experiment • glassware to countain a solution • action to separate different elements • used to clean or to fill the glassware • new chemical species are created from it • something poduced in a chemical reaction • someone who worked on gravity and inertia • ...
Lillian Bigelow Unit 2 2025-03-24
Across
- examples are nucleus, ribosome, and cell membrane
- hates water
- cell membrane only allows certain things to pass through
- the results of a chemical reaction
- cells combine to form these
- molecules move from high concentration to low concentration
- a protein that speeds up chemical reactions
- type of diffusion involving water
- moving molecules through the membrane with the help of ATP
- a living thing
- atoms combine to form these
- basic unit of life
Down
- the place on an enzyme where the substrate binds
- organs make up these
- energy required to start a chemical reaction
- moving molecules through the membrane without ATP
- reactant molecules
- likes water
- when the enzyme changes shape and is unable to function
- basic unit of matter
- cell membrane is made up of these
- examples are heart, brain, and lungs
22 Clues: hates water • likes water • a living thing • reactant molecules • basic unit of life • organs make up these • basic unit of matter • cells combine to form these • atoms combine to form these • cell membrane is made up of these • type of diffusion involving water • the results of a chemical reaction • examples are heart, brain, and lungs • a protein that speeds up chemical reactions • ...
Year 8 Science Unit 8 2025-09-24
Across
- appearance of metal oxide
- rust may cause buildings to ___
- gas state of water
- chemical name for rust
- how reactive metals are
- a reaction that absorbs thermal energy from the surrounding
Down
- a requirement in burning
- the gas that produces a squeaky pop sound when burned with lighted splint
- a metal very reactive with water
- found in self-heating cans
- a chemical reaction where a substance combines with oxygen
- an example of endothermic process
- requirement for rusting to happen
- product of reaction between metal and acid
14 Clues: gas state of water • chemical name for rust • how reactive metals are • a requirement in burning • appearance of metal oxide • found in self-heating cans • rust may cause buildings to ___ • a metal very reactive with water • an example of endothermic process • requirement for rusting to happen • product of reaction between metal and acid • ...
Science 10 :) 2011-12-13
Across
- The prefix for 3.
- A negatively charged ion, the result of gaining one or more electrons.
- The prefix for 10.
- Represents the reactants and products in a chemical reaction using their symbols or formulas.
- A neutral compound that consists of positive and negative ions held together by a ionic bond.
- This happens when a base is added to an acid.
- The prefix for 7.
- A.K.A The left side.
- How many bonds does Carbon form?
- Neutral on the pH chart.
- A statement that summarizes an observed pattern in nature.
- Identifies the reactants and products in a chemical reaction using only the names of the elements and compounds.
- A neutral compound composed of two or more non-metallic elements held together by covalent bonds.
- The bond formed by the transfer of electrons from one atom to another.
- A.K.A The right side.
- An atom that has become charged by gaining or losing one or more electrons.
Down
- A group of atoms with a charge.
- Involves planning a series of data-gathering operations that will provide a basis for testing a hypothesis or answering a question.
- All atoms we start with must be accounted for. However they may change their ________________.
- Are substances that form in a chemical reaction.
- A bond formed by two or more atoms sharing one or more pairs of electrons.
- You start balancing the _________ when you are balancing reactions.
- A positively charged ion, the result of losing one or more electrons.
- The opposite of Acid.
- Something that is lost or gained in every chemical reaction.
25 Clues: The prefix for 3. • The prefix for 7. • The prefix for 10. • A.K.A The left side. • The opposite of Acid. • A.K.A The right side. • Neutral on the pH chart. • A group of atoms with a charge. • How many bonds does Carbon form? • This happens when a base is added to an acid. • Are substances that form in a chemical reaction. • ...
CHEM 111 and 112 Cross Word 2014-05-11
Across
- A starting substance in a chemical reaction
- The SI unit for temperature
- Fills a container to the extent of its own volume regardless of its shape
- The movement of one fluid through another
- The SI unit for the amount of a substance
- Able to be a acid or a base
- The study of a mass to mole relationship in chemical chemical formulas
- The change of a substance from a solid to a liquid
- A method of determining the concentration of a unknown solution by monitoring amounts during its reaction with a solution of known concentration
- The sum of the internal energy plus the product of the pressure and volume
- A substance formed in a chemical reaction
- The capacity to do work
- A charged particle that forms when a atom loses or gains one or more electrons
Down
- The distance between any point on a wave and the same point on the next wave
- A positively charged Ion
- An organic compound that contains only H and C
- The space occupied by a sample of matter
- The maximum amount of solute that dissolves in a fixed quantity of liquid
- The SI unit for energy
- Fills its container regardless of shape and size because its particles are far appart
- The loss of electrons in a Redox reaction
- A uncharged subatomic particle found in the nucleus
- Any species that produces a OH-
- Measure of pressure equal to 1 mmHg
- A horizontal row of the periodic table
25 Clues: The SI unit for energy • The capacity to do work • A positively charged Ion • The SI unit for temperature • Able to be a acid or a base • Any species that produces a OH- • Measure of pressure equal to 1 mmHg • A horizontal row of the periodic table • The space occupied by a sample of matter • The movement of one fluid through another • The SI unit for the amount of a substance • ...
Brianna Massaro- chemistry 2019-10-17
Across
- is a solid that emerges from a liquid.
- the mass of an atom.
- chemical substances being held together by attraction of atoms to each other through sharing.
- it tells us the number of atoms of each element in a compound.
- any metirial properties that happens during,or after a chemical reaction.
- a liquid mixture in which the minor component.
- With regard to atoms or atomic energy.
- likes the same kind
- lipped cylindrical glass container for laboratory use.
- a number of carbon atoms joined in a row.
- the basic unit of an element.
- a person engaged in chemical research or experiments.
- occurs because the gas molecules are in continuous random motion.
Down
- the person who developed a periodic table
- is composed by two or more separate elements.
- an equation for a chemical reaction in which the number of atoms for each element in the reaction and the total charge are the same for both the reactants and the products.
- the weight of something
- A physical property is any property that is measurable
- a substance that takes part in and undergoes change during a reaction.
- a weak bond between two molecules resulting from an electrostatic attraction between a proton in one molecule and an electronegative atom in the other.
- it is a substance that is made entirely from one type of atom.
- dissolves in the solvent
- goods you sell and ship to customers.
- dissolves some metals.
- the number of atoms in the molecules of an element
25 Clues: likes the same kind • the mass of an atom. • dissolves some metals. • the weight of something • dissolves in the solvent • the basic unit of an element. • goods you sell and ship to customers. • is a solid that emerges from a liquid. • With regard to atoms or atomic energy. • the person who developed a periodic table • a number of carbon atoms joined in a row. • ...
8.P.1.3 Vocabulary 2021-04-20
Across
- a characteristic that can be observed (intensive), such as texture, color, odor, melting point, boiling point, density, or measured (extensive) such as mass, length, volume, that is used to describe matter and can be observed or measured without changing its composition
- the property or power of conducting heat, electricity, or sound
- a chemical reaction; a process that changes substances into new substances
- the ability of a chemical to burn or ignite, causing fire or combustion
- the temperature at which a solid turns into a liquid
- a chemical reaction in which oxygen combines with another substance; for example, when metal rusts
- an object's mass divided by its volume; a measure of how many particles are packed together into a certain amount of space
- solid particles that have been separated from a solution
Down
- the amount of a substance (solute) that will dissolve in another substance (solvent) at a certain volume and temperature
- a characteristic of a substance that is measurable or observable during a chemical reaction; includes pH, heat of combustion, reactivity
- the ability of a material to be beaten into a thin sheet or to be shaped without breaking
- wearing away due to chemical reactions, mainly oxidation. It occurs whenever a gas or liquid chemically attacks an exposed surface, often a metal, and is accelerated by warm temperatures and by acids and salts
- a change in matter that does not affect its chemical composition
- the temperature at which a liquid changes into a gas
- the relative capacity of an atom, molecule, or radical to undergo a chemical reaction with another atom, molecule, or compound
- the ability of a material to be stretched into a wire without breaking
16 Clues: the temperature at which a liquid changes into a gas • the temperature at which a solid turns into a liquid • solid particles that have been separated from a solution • the property or power of conducting heat, electricity, or sound • a change in matter that does not affect its chemical composition • ...
Chemistry Crossword 2015-11-13
Across
- shiny, malleable, ductile element that conducts electricity
- chemical reaction that releases energy
- atom that has become electrically charged because it has lost or gained electrons
- the smallest part of an element that is representative of that element
- change of state from a gas to a liquid
- group of atoms joined by covalent bonds
- compound that dissolves in water to form a solution with a pH lower than 7
- element that has both metallic and non-metallic properties
- chemical combination of two or more elements in a specific ratio
- ability to do work
- invisible negatively charged particle that orbits the nucleus of an atom
- combination of pure substances
Down
- anything that has mass or occupies space
- description of a substance that can be pounded or rolled into sheets
- chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
- substance that strongly resists the flow of electricity
- chemical reaction that absorbs energy
- ability of a substance to conduct electricity or heat
- pure substance that cannot be broken down into other substances
- atomic mass unit
- a material that electric charge can move through easily
- catalyst involved in chemical reactions in living things
- conductor through which electric current enters or leaves a device or material
- amount of mass in a given volume of a substance
- change of state from a solid to a liquid
25 Clues: atomic mass unit • ability to do work • combination of pure substances • chemical reaction that absorbs energy • chemical reaction that releases energy • change of state from a gas to a liquid • group of atoms joined by covalent bonds • anything that has mass or occupies space • change of state from a solid to a liquid • amount of mass in a given volume of a substance • ...
Science Mid-Term Exam 2023 2023-12-04
Across
- A pure substance made of only one kind of atom
- mixture a mixture in which the composition is not uniform throughout
- energy energy of motion
- energy energy carried by sound waves
- reaction the process by which one or more substances change to produce one or more different substances
- Energy Potential energy that depends on the height of an object
- variable The experimental factor that is manipulated; the variable whose effect is being studied. Changed on purpose.
- energy A form of potential energy that is stored in chemical bonds between atoms.
- variable that stays the same during an experiment
- energy The total energy of motion in the particles of a substance
Down
- measured using the 5 senses
- A substance produced in a chemical reaction
- transformation A change from one form of energy to another
- energy stored energy
- transfer Movement of energy from one place or object to another
- A chemical substance that is present at the start of a chemical reaction
- A substance made up of atoms of two or more different elements joined by chemical bonds
- mixture a mixture in which the composition is uniform throughout
- group In an experiment, the group that is not exposed to the treatment; contrasts with the experimental group and serves as a comparison for evaluating the effect of the treatment.
- Energy the potential energy of an object that is stretched or compressed
- observation made using numbers and measurements.
- variable The factor that changes as a result of an experiment.
- unique characteristic used to identify a pure substance.
- energy Energy caused by the movement of electrons.
24 Clues: energy stored energy • energy energy of motion • measured using the 5 senses • energy energy carried by sound waves • A substance produced in a chemical reaction • A pure substance made of only one kind of atom • observation made using numbers and measurements. • variable that stays the same during an experiment • energy Energy caused by the movement of electrons. • ...
biomolicules 2024-05-07
Across
- Made up of chemical building blocks called amino acids
- Deoxyribose is the five-carbon sugar molecule.
- A chemical that can speed up a reaction.
- A nucleic acid is a chain of nucleotides which stores genetic information in biological systems.
- A element that is a non-metal. It is black, brittle, a poor conductor, and dull.
- A monomer is a small molecule that reacts with a similar molecule.
- A class of organic compounds mainly made of carbon, oxygen, and hydrogen atoms.
- The amount of energy needed to convert all the molecules in one mole of a reacting substance from a ground state to the transition state intermediate.
- A lipid is a fatty, oily, or wax-like compound.
- The active site of an enzyme is the region that binds substrate molecules.
- Proteins that help speed up metabolism, or the chemical reactions in our bodies.
- The chemical breakdown of a compound due to a reaction with water.
Down
- Adenine, guanine, cytosine, and thymine.
- End substances after a biological process has occurred.
- The surface or material on or from which an organism lives grows, or obtains its nourishment.
- They are the building blocks of polypeptides and proteins.
- An electrically neutral molecule where a group of atoms are at a free state.
- A substance that changes in a chemical reaction.
- A compound made up of several repeating units.
- The building blocks of the fat in our bodies and in our food.
20 Clues: Adenine, guanine, cytosine, and thymine. • A chemical that can speed up a reaction. • Deoxyribose is the five-carbon sugar molecule. • A compound made up of several repeating units. • A lipid is a fatty, oily, or wax-like compound. • A substance that changes in a chemical reaction. • Made up of chemical building blocks called amino acids • ...
Science 2025-03-10
Across
- No definite shape or volume, expands to fill space
- The ability to float in a fluid
- A state of matter found in stars and lightning
- Gas turning into liquid
- A slow chemical reaction between metal and oxygen
- The increase in size of a material when heated
- Materials that resist the flow of heat or electricity
- The decrease in volume due to applied pressure
- The attraction between different substances
- A chemical reaction that dulls the surface of some metals
- Solid turning into liquid
- A state of matter at extremely low temperatures
- Materials that allow heat or electricity to pass through
- Solid turning directly into gas
Down
- A change that creates a new substance
- Gas turning directly into solid
- Process where a liquid turns into gas
- Takes the shape of its container but has a fixed volume
- Liquid turning into solid
- A material’s resistance to being scratched
- The gradual destruction of materials due to chemical reactions
- The amount of space an object takes up
- The attraction between molecules of the same substance
- Has a definite shape and volume
- A solid that forms from a chemical reaction in a solution
- The substance that dissolves another in a solution
- A change that does not alter the chemical composition
- The substance being dissolved in a solution
- Mass per unit volume
- The amount of matter in an object
30 Clues: Mass per unit volume • Gas turning into liquid • Liquid turning into solid • Solid turning into liquid • Gas turning directly into solid • The ability to float in a fluid • Has a definite shape and volume • Solid turning directly into gas • The amount of matter in an object • A change that creates a new substance • Process where a liquid turns into gas • ...
Lucas Da Silva 2022-03-08
Across
- the number in front of the formula
- he symbolic representation of a chemical reaction in the form of symbols and formula
- a lowest nuber ration of elements within a compound
- mass of 1 mole of a substance
- 6.022 x 10^23
- a conversion factor between compounds in a chemical reaction
Down
- the percent ratio of actual yield to the theoretical yield
- multiple of an empirical formula
- A measure of a chemical reaction's efficiency, as a ratio of moles of product to moles of reactant.
- is a reactant in a chemical reaction that determines the amount of product that is formed
- the study of ratios within chemical reactions
11 Clues: 6.022 x 10^23 • mass of 1 mole of a substance • multiple of an empirical formula • the number in front of the formula • the study of ratios within chemical reactions • a lowest nuber ration of elements within a compound • the percent ratio of actual yield to the theoretical yield • a conversion factor between compounds in a chemical reaction • ...
Science 10 2011-12-13
Across
- A positively charged ion, the result of losing one or more electrons.
- You start balancing the _________ when you are balancing reactions.
- All atoms we start with must be accounted for. However they may change their ________________.
- A.K.A The left side.
- An atom that has become charged by gaining or losing one or more electrons.
- A statement that summarizes an observed pattern in nature.
- The prefix for 10.
- The prefix for 3.
- Identifies the reactants and products in a chemical reaction using only the names of the elements and compounds.
- A neutral compound composed of two or more non-metallic elements held together by covalent bonds.
- A neutral compound that consists of positive and negative ions held together by a ionic bond.
- Something that is lost or gained in every chemical reaction.
- This happens when a base is added to an acid.
Down
- A bond formed by two or more atoms sharing one or more pairs of electrons.
- The prefix for 7.
- A.K.A The right side.
- A group of atoms with a charge.
- Represents the reactants and products in a chemical reaction using their symbols or formulas.
- Are substances that form in a chemical reaction.
- Neutral on the pH chart.
- Involves planning a series of data-gathering operations that will provide a basis for testing a hypothesis or answering a question.
- How many bonds does Carbon form?
- The bond formed by the transfer of electrons from one atom to another.
- A negatively charged ion, the result of gaining one or more electrons.
- The opposite of Acid.
25 Clues: The prefix for 7. • The prefix for 3. • The prefix for 10. • A.K.A The left side. • A.K.A The right side. • The opposite of Acid. • Neutral on the pH chart. • A group of atoms with a charge. • How many bonds does Carbon form? • This happens when a base is added to an acid. • Are substances that form in a chemical reaction. • ...
Smth 2024-02-15
Across
- process in which one or more substances, the reactants, are converted to one or more different substances
- the energy of chemical substances that is released when the substances undergo a chemical
- proteins that help speed up metabolism, or the chemical reactions in our bodies.
- a substance that is formed as the result of a chemical reaction
- a process in which substances are changed into others
- colourless, odourless gas that is stored in candles
- the smallest unit that can live on its own and that makes up all living organisms and the tissues of the body
- the invisible gaseous substance surrounding the earth, a mixture mainly of oxygen
- light from the sun
Down
- the surface or material on or from which an organism lives, grows, or obtains its nourishment.
- the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar.
- the process of providing the energy that is required to initiate a combustion process
- a usually reversible change in the physical properties of a substance,
- This gas is combined with (see last question) to create a combustible reaction
- is a substance that takes part in and undergoes change during a reaction.
- this is a product in human cellular respiration
- a change of materials into another, new materials with different properties and one or more than one new substances are formed
- is a reaction of a substance with oxygen to give heat and light
- a living organism of the kind exemplified by trees
- an individual animal, plant, or single-celled life form.
20 Clues: light from the sun • this is a product in human cellular respiration • a living organism of the kind exemplified by trees • colourless, odourless gas that is stored in candles • a process in which substances are changed into others • an individual animal, plant, or single-celled life form. • a substance that is formed as the result of a chemical reaction • ...
Photosynthesis And Cellular Respiration (spaces in words are -) 2023-11-16
Across
- The process that creates glucose
- Carbon _____
- To change
- the parts of a reaction
- Where chlorophyll is stored in a plant
- A plant is an example of a ____
- The process that turns glucose into ATP
Down
- A reaction with light
- Where cellular respiration is done
- The cycle that carbon goes through
- A fungi is a ____
- one of the reactants of photosynthesis
- A reaction that cannot be undone
- The end of a reaction
- The sweet sticky white stuff made in photosynthesis
15 Clues: To change • Carbon _____ • A fungi is a ____ • A reaction with light • The end of a reaction • the parts of a reaction • A plant is an example of a ____ • The process that creates glucose • A reaction that cannot be undone • Where cellular respiration is done • The cycle that carbon goes through • Where chlorophyll is stored in a plant • one of the reactants of photosynthesis • ...
Biomolecules 2022-12-06
Across
- a molecule that is essential for life
- splitting a polymer into monomers with the addition of water
- made of carbon, hydrogen, and oxygen; quick energy
- the process of making polymers into monomers
- DNA/RNA (CHONP)
- process of making monomers into polymers
- transports chemical energy
- a chemical reaction that makes polymers by removing water: dehydration ________
Down
- a type of reaction that releases energy
- larger units made of monomers
- small units that make up polymers
- a type of reaction that requires energy
- made of C, H, O, N
- stores long term energy
14 Clues: DNA/RNA (CHONP) • made of C, H, O, N • stores long term energy • transports chemical energy • larger units made of monomers • small units that make up polymers • a molecule that is essential for life • a type of reaction that releases energy • a type of reaction that requires energy • process of making monomers into polymers • the process of making polymers into monomers • ...
Chapter 3 Vocab Crossword 2019-04-02
Across
- A measure of how acidic or basic something is on a scale of 1-14 with 1 being most acidic, 7 being neutral, and 14 being most basic
- An enzyme that is attached to an inert, insoluble substance. Can provide increased resistance to changes in conditions
- The reaction product inhibits the enzyme activity
- The inhibitor binds to the enzyme's active site and prevents the substrate from binding, stops the reaction from happening
- The minimum energy required to allow a certain chemical reaction to occur
- A molecule which speeds up a chemical reaction
- Protein molecules that act as biological catalysts
- To alter the structure of a protein by breaking bonds
- Operating outside of the cell
- An enzyme inhibitor which does not prevent the enzyme from functioning properly permanently
Down
- What is left after the enzyme binds with the substrate
- A process that uses the conditions of one component to regulate the function of the other. It is done to either increase or dampen the change in the system.
- The temperature at which any specific reaction or process is best carried out
- To prevent an enzyme from working in the normal manner
- The binding of a substrate or some other molecule to an enzyme causes a change in the shape of the enzyme so as to enhance or inhibit its activity
- The substance on which an enzyme acts
- Something which prevents an enzyme from working in the normal manner
- A region on an enzyme that binds to a protein or other substance during a reaction.
- Operating within the cell
- The maximum rate of reaction when the enzyme is saturated with substrate
- The number of chemical conversions of the substrate molecules per second at a catalytic site for a given enzyme concentration
- The pH level at which a specific enzyme can work most effectively
22 Clues: Operating within the cell • Operating outside of the cell • The substance on which an enzyme acts • A molecule which speeds up a chemical reaction • The reaction product inhibits the enzyme activity • Protein molecules that act as biological catalysts • To alter the structure of a protein by breaking bonds • What is left after the enzyme binds with the substrate • ...
Science 2013-09-19
Across
- a scale used to measure the concentration of H+ ions in a solution
- a solution made of a base/alkali and water
- A biological catalyst
- rain that has acid in it
- a base dissolved in water
- a substance that is used to stop heart burn
- the term commonly used for sodium chloride
- Where photosynthesis occurs
- OH-, formed by bases
- CO3
Down
- A green pigment found in plants
- A chemical reaction in which glucose is broken down,releasing energy for use by the plant or animal
- the waxy waterproof coating of a leaf
- A simple sugar formed by photosynthesis
- a common indicator that turns red in the presence of an acid and blue in the presence of a base
- a chemical reaction between a acid and a base
- Single-celled organism that lives in water
- H+, released by acids
- A process in which chemicals move,caused by different chemical concentrations
- a chemical that changes colour to show whether a substance is acidic,neutral or basic
20 Clues: CO3 • OH-, formed by bases • A biological catalyst • H+, released by acids • rain that has acid in it • a base dissolved in water • Where photosynthesis occurs • A green pigment found in plants • the waxy waterproof coating of a leaf • A simple sugar formed by photosynthesis • a solution made of a base/alkali and water • Single-celled organism that lives in water • ...
Vocabulary 2025-03-19
Across
- a reaction between any combustible substance and an oxidiser occurs to form an oxidised product
- molecules that contain only two atoms bonded together to one anotehr
- number that appears in front of the chemical formula in order to balance the atoms on both sides
- original substances
- a process by which one or more substances is changed into one more different substances
- resulting substances
Down
- a reaction of two or more reactants to form a product
- an equal balance of the numbers of the reactants and products
- describes the stoichiometry of some chemical reactions in which one element or ligand is replaced by a atom or group
- a discovery that mass is not created or destroyed during a chemical reaction
- a reaction in which a positive ion and a negative ions of two ionic compounds exchange places
- the reaction in which a reaction of a compound breaks down into two or more simpler substances
12 Clues: original substances • resulting substances • a reaction of two or more reactants to form a product • an equal balance of the numbers of the reactants and products • molecules that contain only two atoms bonded together to one anotehr • a discovery that mass is not created or destroyed during a chemical reaction • ...
vocab 5 2017-03-29
Across
- Reaction where the oxidation number the the oxidation number increases by losing electrons
- A number that represents the number of electrons lost or gained by an atom
- AB + CD -> AD + CB
- Reaction leaving a precipitate left
- When an acid and a base react to form water and salt
- The ability of a substance to undergo chemical changes
- A chart showing the reactivity of elements
Down
- Solid left in a solution after a chemical reaction
- A + BC -> AC
- Ability of a substance to dissolve in a solvent
- hydrocarbon + oxygen -> carbon dioxide + water
- AB -> A+B
- A + B -> AB
- An equation that only includes ions that react
- Reaction where where the oxidation number decreases by gaining electrons
15 Clues: AB -> A+B • A + B -> AB • A + BC -> AC • AB + CD -> AD + CB • Reaction leaving a precipitate left • A chart showing the reactivity of elements • hydrocarbon + oxygen -> carbon dioxide + water • An equation that only includes ions that react • Ability of a substance to dissolve in a solvent • Solid left in a solution after a chemical reaction • ...
Chemical Reactions 2022-11-16
Across
- an acid releases this into water
- bitter substance with high pH
- Chemical __________, causes a chemical change
- sour substance with a low pH
- a reaction that releases energy
Down
- a base releases this into water
- chemical reactions do this to atoms
- starting material in a reaction
- displacement reaction two kinds of atoms trade
9 Clues: sour substance with a low pH • bitter substance with high pH • a base releases this into water • starting material in a reaction • a reaction that releases energy • an acid releases this into water • chemical reactions do this to atoms • Chemical __________, causes a chemical change • displacement reaction two kinds of atoms trade
Chemical Reaction 2023-10-17
Across
- Change No new substance is made
- Substance/molecule that participates in a chemical reaction
- Equation Uses chemical formulas, numbers, symbols and arrows to show what happens during a chemical reaction
- Substance/molecule formed by a chemical reaction
- Reaction When two or more substances combine
Down
- A solid formed by a change in a solution
- Change A new substance is made
- of Conservation of Mass We can't create or destroy
8 Clues: Change A new substance is made • Change No new substance is made • A solid formed by a change in a solution • Substance/molecule formed by a chemical reaction • Reaction When two or more substances combine • of Conservation of Mass We can't create or destroy • Substance/molecule that participates in a chemical reaction • ...
enzyme vocab 2023-12-05
Across
- building reaction
- chemicals that reduce the activation energy of the energy
- starting material for chemical reaction
- release of energy
- absorption of energy
Down
- site where a single molecule can fit
- break down reaction
- site The region on the enzyme where the substrate binds
- substance on which an enzyme acts during a chemical reaction
- slow down or stop enzyme reaction
10 Clues: building reaction • release of energy • break down reaction • absorption of energy • slow down or stop enzyme reaction • starting material for chemical reaction • site where a single molecule can fit • site The region on the enzyme where the substrate binds • chemicals that reduce the activation energy of the energy • ...
Chemical Reactions Vocab 2022-02-15
Across
- "uncuttable" stuff
- liquid to gas phase change
- the result of a chemical reaction
- what you start with before rearrangement
- solid to liquid phase change
- plant food
- atomic rearrangement
- the code for what stuff is made of
Down
- all the same atoms or groups of atoms
- a network of repeating atoms
- provides understanding to the invisible
- a macroscale observation
- a damaging chemical reaction
- to cause a new combination
- a specific group of atoms
- size, relatively speaking
16 Clues: plant food • "uncuttable" stuff • atomic rearrangement • a macroscale observation • a specific group of atoms • size, relatively speaking • liquid to gas phase change • to cause a new combination • a network of repeating atoms • a damaging chemical reaction • solid to liquid phase change • the result of a chemical reaction • the code for what stuff is made of • ...
Chemistry 2025-02-18
Across
- A chemical reaction where one compound breaks down into two or more simpler substances
- The number of particles in one mole equal to 6.022 × 10²³
- A chemical reaction where two or more substances combine to form a single product
- Reaction A reaction where two compounds exchange ions forming two new compounds
- The mass of one mole of a substance measured in grams per mole (g/mol)
- A reaction where a substance reacts with oxygen releasing energy in the form of heat and light
Down
- Matter cannot be created or destroyed in a chemical reaction the mass of the reactants equals the mass of the products
- The simplest whole-number ratio of atoms in a compound
- Reaction A reaction where one element replaces another in a compound
- The actual number of atoms of each element in a molecule of a compound
- A unit that measures the amount of a substance equal to 6.022 × 10²³ particles
11 Clues: The simplest whole-number ratio of atoms in a compound • The number of particles in one mole equal to 6.022 × 10²³ • Reaction A reaction where one element replaces another in a compound • The actual number of atoms of each element in a molecule of a compound • The mass of one mole of a substance measured in grams per mole (g/mol) • ...
Crossword 2013-06-08
Across
- The speed at which a reaction occurs
- The starting materials for a chemical reaction
- External energy added to help the reaction occur
- When one element replaces a second element in a compound
- Produces energy in the form of heat and light
Down
- A single compound that breaks down into two or more simpler products
- A chemical change involving the exchange of positive ions between two compounds
- A substance that speeds up the reaction
- Substances formed by the chemical reaction
- Two or more substances react to form a single new substance
10 Clues: The speed at which a reaction occurs • A substance that speeds up the reaction • Substances formed by the chemical reaction • Produces energy in the form of heat and light • The starting materials for a chemical reaction • External energy added to help the reaction occur • When one element replaces a second element in a compound • ...
Chemical Reactions Crossword Puzzle 2021-10-04
Across
- substance that ENTERS into a chemical reaction
- mixture that dissolves and is spread out evenly
- matter made of only ONE kind of atom
- type of reaction that RELEASES energy, usually in the form of heat
- substance that does the dissolving in a solution
- particles do not settle
Down
- uniform composition or substances evenly mixed
- substances NOT evenly mixed
- substance formed as a result of a chemical reaction
- substance that gets dissolved in a solution
- matter that CAN be physically separated and contains 2 or more substances
- type of reaction that ABSORBS energy
- particles do settle, particles are spread out but do not dissolve
- made up of two or more elements
- anything that has mass and takes up space
15 Clues: particles do not settle • substances NOT evenly mixed • made up of two or more elements • type of reaction that ABSORBS energy • matter made of only ONE kind of atom • anything that has mass and takes up space • substance that gets dissolved in a solution • uniform composition or substances evenly mixed • substance that ENTERS into a chemical reaction • ...
Science, Physics and Math Crossword 11th Grade 2025-09-30
Across
- level - Probability of rejecting true hypothesis.
- - Scalar value from a square matrix.
- - Rectangular array of numbers.
- formula - Exact number of atoms in molecule.
- equilibrium - Forward and reverse reactions occur at same rate.
- test - Procedure to test assumptions in statistics.
- deviation - Measure of data spread from mean.
- - Scalar showing how vector changes under transformation.
- function - Function with variable in exponent.
- - Solution resisting pH changes.
- - Calculation of reactants and products in reaction.
- - Square of standard deviation.
- energy - Minimum energy required for reaction.
- solution - Solution holding maximum solute at temperature.
- mass - Mass of one mole of substance.
- - Substance donating protons in reaction.
- - Substance accepting protons in reaction.
- composition - Percent by mass of each element in compound.
- - Inverse operation of exponentiation.
Down
- number - 6.022 × 10^23 particles per mole.
- - Amount of substance dissolving in solvent.
- rate - Speed of chemical reaction.
- space - Mathematical structure formed by vectors.
- - Amount of substance containing Avogadro’s number.
- - Instantaneous rate of change of a function.
- - Predicting relationship between variables.
- - Value approached by a function as input approaches a point.
- equation - Equation involving derivatives.
- - Measure of relation between two variables.
- - Process of finding unknown concentration with known solution.
- formula - Simplest whole-number ratio of elements.
- - Measure of likelihood of event.
- - Area under a curve in mathematics.
- - Substance changing color at endpoint.
- - Solid formed in chemical reaction.
- theory - Explanation of how particles react when colliding.
- - Measure of hydrogen ion concentration.
- - Vector not changed in direction by transformation.
- - Substance speeding reaction without being consumed.
39 Clues: - Rectangular array of numbers. • - Square of standard deviation. • - Solution resisting pH changes. • - Measure of likelihood of event. • rate - Speed of chemical reaction. • - Scalar value from a square matrix. • - Area under a curve in mathematics. • - Solid formed in chemical reaction. • mass - Mass of one mole of substance. • - Inverse operation of exponentiation. • ...
Chemical and Physical change 2024-09-17
Across
- An atom or molecule.
- physical change from a solid to a gas. The dry ice in smoke machines ________ into a gas at room temperature.
- bond: An attractive force that holds two atoms together Chemical bonds are broken, formed during chemical changes not physical changes.
- physical change from a liquid to gas. Water droplets on a leaf evaporate into water vapour and rise into the air.
- change: Change in matter that forms one or more new substances. Substances form when atoms re-arrange. This change is hard to reverse.
- Any substance that takes up space and has ____. Examples of ______ include wood, water, air and your body.
- physical change from a gas to a liquid. Droplets form on the outside of a cold drink bottle because of water vapour condensing.
- substance with no fixed shape or volume. Particles move quickly and spread apart.
- physical change where a solid spreads through a liquid. When sugar is stirred into hot water, it dissolves to make a solution.
- Any substance that can burn. _____. include paper, wood and petrol.
Down
- change: change in matter that does not form new substances. When you crush a can, it changes shape but is still the same substance.
- substance with a fixed volume that flows and changes shape. Particles stay close together but move around each other freely.
- The breakdown of food by physical and chemical changes
- reaction: A reaction that absorbs heat. Causes the temperature to become cooler.
- reaction: A reaction that releases heat. Causes the temperature to become hotter.
- physical change from a liquid to a _____.
- physical change from a solid to liquid. If you heat chocolate on a stove, it will __.
- physical change where two or more substances are combined.
- chemical change where iron combines with oxygen and water. The new substance formed by this chemical change is iron oxide, or _____.
- of matter: One of the forms that ______ can take, such as solid, liquid or gas. The most familiar ¬¬______ __ ______ are solid, liquid and gas, but there are others.
20 Clues: An atom or molecule. • physical change from a liquid to a _____. • The breakdown of food by physical and chemical changes • physical change where two or more substances are combined. • Any substance that can burn. _____. include paper, wood and petrol. • reaction: A reaction that absorbs heat. Causes the temperature to become cooler. • ...
chemistry crossword 2015-11-19
Across
- formula combination of symbols that represent a compound
- shells orbit of electrons around the nucleus of an atom
- atom that has become electrically charged because it has lost or gained elections
- change change in the appearance or state of a substance that does not change the composition
- substance is only made up of one matter
- chemical reaction that releases energy
- is also a cloudy mixture but the particles are to small that its cannot be separated easily
- mixture mixture in which the different substances that make up the mixture visible
- number its the sum of the number of protons and neutrons in an atom
- substance that reacts with another substance in a chemical to create a new substance
- ions group of atoms acting as one
- positive charged particle in the nucleus of an atom
- compound pure substance formed when at least one metal and one non metal combine
Down
- group of atoms joined by covalent bonds
- vertical column of elements in the periodic table
- is a cloudy mixture in which tiny particles of one substance are held within another
- property description of how substance interacts with other substance
- reaction chemical reaction that absorbs energy
- gas group 18 elements in the periodic table the most stable and unreactive elements
- shiny,malleable,ductile element that conducts electricity
- change when the results of 2 substance created a new substance but a different substance from the first 2
- chemical combination of 2 or more elements in a specific ratio
- number number of protons in the nucleus of one atom of an element
- horizontal row of elements in the periodic table
24 Clues: ions group of atoms acting as one • chemical reaction that releases energy • group of atoms joined by covalent bonds • substance is only made up of one matter • reaction chemical reaction that absorbs energy • horizontal row of elements in the periodic table • vertical column of elements in the periodic table • positive charged particle in the nucleus of an atom • ...
Chemistery Crossword 2015-11-13
Across
- amount of mass in a given volume of a substance
- vertical column of elements in the periodic table
- element that has both metal and non-metal properties
- shiny, malleable, ductile element that conducts electricity
- invisible negatively charged particle that orbits the nucleus of an atom
- pure substances formed when non-metals combine
- atom that has become electrically charged
- catalyst involved in chemical reactions in living things
- description of a substance that can be pounded or rolled into sheets
- a substance that is neither an acid nor a base
- elements and compounds that organisms need fro living
Down
- pure substance that cannot be broken down into other substances
- substance that helps a chemical reaction to proceed more quickly
- combination of pure substances
- pure substance formed when at least one metal and non-metal combine
- horizontal row of elements in the periodic table
- group 18 elements in the periodic table
- group 17 elements in the periodic table
- an experiment in which 1 or more products of a chemical reaction can escape
- chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
- group of atoms joined by covalent bonds
- neutral particle in the nucleus of an atom
- dull, brittle element that does not conduct electricity
- chemical combination of 2 or more elements in a specific ratio
- the smallest part of an element that is representative of that element
25 Clues: combination of pure substances • group 18 elements in the periodic table • group 17 elements in the periodic table • group of atoms joined by covalent bonds • atom that has become electrically charged • neutral particle in the nucleus of an atom • pure substances formed when non-metals combine • a substance that is neither an acid nor a base • ...
Unit 3 Vocabulary Assignment 2024-02-05
Across
- a biological process which converts sugars such as glucose, fructose, and sucrose into cellular energy.
- A chemical energy made from the cell.
- The substances which participate in a chemical reaction
- an organelle found in large numbers in most cells, in which the biochemical processes of respiration and energy production occur.
- How Plants make their own food
- a series of protein complexes and other molecules that transfer electrons from electron
- Does not need oxygen
Down
- use stored chemical energy from the light-dependent reactions to “fix” CO2 and create a product that can be converted into glucose.
- Cellular resperation with no oxygen
- glucose is broken down into carbon dioxide and water.
- responsible for the absorption of light to provide energy for photosynthesis.
- happen in the thylakoid membrane of the chloroplasts and occur in the presence of sunlight.
- a metabolic process by which glucose or other six-carbon sugars are converted into cellular energy and the metabolite lactate
- Needs oxygen
- a process in which one or more substances are converted to one or more different substances
- splits glucose into two pyruvate molecules.
- the process by which biological fuels are oxidized in the presence of an inorganic electron acceptor such as oxygen
- The energy of chemical substances that is released when the substances undergo a chemical reaction and transform into other substances.
- The substance developed after a biological reaction has occurred
- A molecule that is combined with a phosphate to make ATP
20 Clues: Needs oxygen • Does not need oxygen • How Plants make their own food • Cellular resperation with no oxygen • A chemical energy made from the cell. • splits glucose into two pyruvate molecules. • glucose is broken down into carbon dioxide and water. • The substances which participate in a chemical reaction • A molecule that is combined with a phosphate to make ATP • ...
Elements Compounds Mixtures 2024-08-12
Across
- A pure substance made of only one type of atom.
- Shell A grouping of electrons surrounding the nucleus of an atom.
- The substances formed as a result of a chemical reaction.
- A type of mixture where the components are not evenly distributed.
- Structure The arrangement of protons, neutrons, and electrons within an atom.
- The smallest unit of an element, consisting of protons, neutrons, and electrons.
- A type of mixture that has a uniform composition throughout.
- Bond The force that holds atoms together in a molecule or compound.
- A group of atoms bonded together, representing the smallest fundamental unit of a chemical compound.
Down
- A particle with no charge, found in the nucleus of an atom.
- An element that usually lacks metallic properties and is often a poor conductor of electricity.
- A substance formed when two or more elements are chemically bonded together.
- A negatively charged particle that orbits the nucleus of an atom.
- A mixture of two or more elements, where at least one is a metal.
- Substance A material that has a constant composition and consistent properties throughout.
- A positively charged particle found in the nucleus of an atom.
- The starting substances that undergo a chemical reaction.
- An element that has properties intermediate between metals and non-metals.
- Equation A symbolic representation of a chemical reaction, showing the reactants and products.
- A type of element that is typically shiny, malleable, and a good conductor of electricity.
- Levels The specific energies that electrons can have in an atom.
- A combination of two or more substances that are not chemically bonded.
22 Clues: A pure substance made of only one type of atom. • The substances formed as a result of a chemical reaction. • The starting substances that undergo a chemical reaction. • A particle with no charge, found in the nucleus of an atom. • A type of mixture that has a uniform composition throughout. • A positively charged particle found in the nucleus of an atom. • ...
Unit 1&2 vocab 2024-09-27
Across
- The fixed energies an electron can have in an atom
- A form of energy that can be transfered between objects
- The central part of an atom containing protons and neutrons
- The process of a substance changing from one state to another
- The smallest unit of a chemical element
- A form of energy that exhibits wavelike behavior as it travels through space
- Everything outside of the system being studied
- A measure of how hot or cold something is
- The electrons in the outermost shell of an atom that are involved in chemical bonding
- Neutral subatomic particles locatedin the nucleus
- A reaction that absorbes heat
- A measure of the disorder or randomness in a system
- A pure substance consisting of only one type of atom
Down
- The distance between successive peaks of a wave
- Positevly charged subatomic particles located in the nucleus of an atom
- The movement of heat from one substance to another
- A tabular arrangement of the chemical elements, organized by atomic number
- The energy of moving particles in a substance, related to temperature
- The part of the universe being studied in a chemical reaction
- A fundamental property of electrons that describes their intrinsic angular momentum
- The process of measuring heat changes in a chemical reaction
- A unit of energy used to measure heat
- The total heat content of a system
- The number of protons in the nucleus of an atom, which determines the element's identity
24 Clues: A reaction that absorbes heat • The total heat content of a system • A unit of energy used to measure heat • The smallest unit of a chemical element • A measure of how hot or cold something is • Everything outside of the system being studied • The distance between successive peaks of a wave • Neutral subatomic particles locatedin the nucleus • ...
Chemical Reactions 2022-10-27
Across
- Engineer, a scientist who uses chemical reaction to solve problems
- a chemical that makes a chemical reaction happen faster
- Scientist, A scientist who uses chemical reactions to make new materials
- the smallest particle of matter made up of protons, neutrons, and electrons
Down
- more than one atom combined to form a substance
- Change, a change in state of matter where no new substance is formed
- the result of substances being combined in a chemical reaction
- substances that are combined to form products in a chemical reaction
- Change, Chemicals combining to cause new substances to be formed
- characteristics of matter that can be used to identify substances
10 Clues: more than one atom combined to form a substance • a chemical that makes a chemical reaction happen faster • the result of substances being combined in a chemical reaction • Change, Chemicals combining to cause new substances to be formed • characteristics of matter that can be used to identify substances • ...
Courtney Couts Chemical Reactions Ch.13 2016-10-09
Across
- A+B-> AB
- it is very hard, not impossible, to reverse
- AB+CD-> AD+CB
- If changed the equilibrium shifts to oppose change, until new or equilibrium is reached.
- energy transfers from reactants to surroundings (exo- exit)
- must be added to break bonds
- Change the rate of chemical reactions
Down
- AB+C-> AC+B
- the energy stored in molecules that can be released during a reaction
- when reaction and its reverse act at the same rate.
- a substance that is the result of the chemical change
- energy is transferred to reactants from surroundings
- a substance that undergoes a chemical change
- when a solid material forms from a chemical change
- AB-> A+B
15 Clues: A+B-> AB • AB-> A+B • AB+C-> AC+B • AB+CD-> AD+CB • must be added to break bonds • Change the rate of chemical reactions • it is very hard, not impossible, to reverse • a substance that undergoes a chemical change • when a solid material forms from a chemical change • when reaction and its reverse act at the same rate. • energy is transferred to reactants from surroundings • ...
Chemistry Review - SNC2L 2023-11-09
Across
- pH stands for the 'power of ______'
- What element has the symbol Pb?
- What element is high in bananas? Hint: Symbol K
- What type of chemical would have a pH of 10?
- What type of reaction breaks compounds apart?
- What type of change is paper burning?
- What type of chemical is HCl?
Down
- What type of reaction makes a compound?
- A chemical ________ tells us how many atoms of each element are in a molecule.
- Elements are made of ______?
- What pH is neutral?
- How many oxygen atoms are in Glucose (C6H12O6)?
- What element has the atomic number of 8?
- What type of change is Ice melting?
- What type of combustion has a blue flame?
15 Clues: What pH is neutral? • Elements are made of ______? • What type of chemical is HCl? • What element has the symbol Pb? • pH stands for the 'power of ______' • What type of change is Ice melting? • What type of change is paper burning? • What type of reaction makes a compound? • What element has the atomic number of 8? • What type of combustion has a blue flame? • ...
Lucas Da Silva 2022-03-08
Across
- the number in front of the formula
- he symbolic representation of a chemical reaction in the form of symbols and formula
- a lowest nuber ration of elements within a compound
- mass of 1 mole of a substance
- 6.022 x 10^23
- a conversion factor between compounds in a chemical reaction
Down
- the percent ratio of actual yield to the theoretical yield
- multiple of an empirical formula
- A measure of a chemical reaction's efficiency, as a ratio of moles of product to moles of reactant.
- is a reactant in a chemical reaction that determines the amount of product that is formed
- the study of ratios within chemical reactions
11 Clues: 6.022 x 10^23 • mass of 1 mole of a substance • multiple of an empirical formula • the number in front of the formula • the study of ratios within chemical reactions • a lowest nuber ration of elements within a compound • the percent ratio of actual yield to the theoretical yield • a conversion factor between compounds in a chemical reaction • ...
photosynthesis 2012-10-02
Across
- cell layer in plants that contain chloroplasts
- where Calvin cycle occurs
- conversion of solar energy in to chemical energy
- photosynthesis used by desert plants
- energy molecule made during the light reaction
- green pigment in plants
- coenzyme made during the light reaction
- organisms that make their own food
- aka consumers
- product of CO2Fixation phase in Calvin cycle
Down
- energy used by plants
- site of light absorption and electron excitation
- where light reaction occurs
- reaction that converts CO2 in to carbohydrate (6,5)
- organelle that conducts photosynthesis
- hole in the leaf that lets oxygen diffuse out and CO2 in
- molecule that is split during light reaction
- pumps H+ ions in to thylakoid as electrons move along
- reaction of oxidation and reduction combined
- 5 carbon molecule
- product of CO2 Reduction phase in Calvin cycle
21 Clues: aka consumers • 5 carbon molecule • energy used by plants • green pigment in plants • where Calvin cycle occurs • where light reaction occurs • organisms that make their own food • photosynthesis used by desert plants • organelle that conducts photosynthesis • coenzyme made during the light reaction • molecule that is split during light reaction • ...
Chemical Reactions Crossword 2023-11-20
Across
- 6.02x1023
- Calculate the mass, in grams, of 3.00 moles of calcium chloride. (round to the nearest tenth)
- the unit of mass for subatomic particles
- What is the molar mass of Al2O3? (nearest whole number with units)
- a group of atoms bonded together
- a standard scientific unit for measuring large quantities of very small entities such as atoms or molecules
- the volume of one mole of gas
- an extremely small piece of something – can refer to either atoms or molecules
- the relationship between the relative quantities of substances taking part in a reaction or forming a compound
- the reactant that restricts the amount of product that can be made in a chemical reaction
Down
- the lightest of the subatomic particles
- a weighted average of the isotopes of a particular element
- the subatomic particle with a positive charge
- How many moles are present in 100 g of Al? (round to the nearest hundredth)
- How many molecules are in 108 grams of water? (rounded to the nearest hundredth)
- the basic unit of a chemical element
- The number of molecules of oxygen required to react with 2 moles of propane in a complete combustion reaction.
- the reactant that there is extra of in a chemical reaction.
- atoms of the same type with different numbers of neutrons
19 Clues: 6.02x1023 • the volume of one mole of gas • a group of atoms bonded together • the basic unit of a chemical element • the lightest of the subatomic particles • the unit of mass for subatomic particles • the subatomic particle with a positive charge • atoms of the same type with different numbers of neutrons • a weighted average of the isotopes of a particular element • ...
Chemistry Reaction Rate Vocabulary 2025-04-11
Across
- the average kinetic energy of the particles in a sample of matter
- the sum of all the surfaces on each side of a three-dimensional shape
- the minimum amount of energy required to start a chemical reaction
- a chemical reaction in which energy is released to the surroundings as heat
- the expression that shows how the rate of formation of product depends on the concentration of all species other than the solvent that take part in a reaction
- the theory that states that the number of new compounds formed in a chemical reaction is equal to the number of molecules that collide, multiplied by a factor that corrects for low-energy collisions
Down
- the rate at which a chemical reaction takes place; measured by the rate of formation of the product or the rate of disappearance of the reactants
- the amount of a particular substance in a given quantity of a mixture, solution, or ore
- a substance that changes the rate of a chemical reaction without being consumed or changed significantly
- a chemical reaction that requires energy input
10 Clues: a chemical reaction that requires energy input • the average kinetic energy of the particles in a sample of matter • the minimum amount of energy required to start a chemical reaction • the sum of all the surfaces on each side of a three-dimensional shape • a chemical reaction in which energy is released to the surroundings as heat • ...
Kamryn Ruetz Chapter 13 2016-10-12
Across
- A substance that is the result of a chemical change
- Na+CaF2 to Ca+NaF
- A chemical that accepts a hydrogen ion
- The energy stored in molecules that can be released during a reaction
- AgF+CaCl2 to AgCl+CaF2
- Fe+O2 to Fe2O3
Down
- When reaction and it's reverse act at the same rate
- C2H4+O2 to CO2+H2O
- If changed the equilibrium shifts to oppose change, until new equilibrium is reached
- Must be added to break bonds
- Energy that transfers from reactants to surroundings
- A substance that undergoes a chemical change
- MgO to Mg+O2
- Energy that is transfered to reactants from surroundings
- A chemical that donates a hydrogen ion
15 Clues: MgO to Mg+O2 • Fe+O2 to Fe2O3 • Na+CaF2 to Ca+NaF • C2H4+O2 to CO2+H2O • AgF+CaCl2 to AgCl+CaF2 • Must be added to break bonds • A chemical that accepts a hydrogen ion • A chemical that donates a hydrogen ion • A substance that undergoes a chemical change • When reaction and it's reverse act at the same rate • A substance that is the result of a chemical change • ...
Photosynthesis 2021-02-25
Across
- a molecule containing chlorophyll
- surrounds the chloroplast
- NADP+/NADPH
- sugar
- compound found in the chloroplasts of plants
- a structure that is bound to the light-dependent site
- where energy is generated
- allows plants to grow
- does not require light to have a reaction
- how plants get their energy to produce glucose
Down
- the chemical reactions that converts carbon dioxide and other compounds into glucose
- ADP/ATP
- a substance that enters into and is altered in the course of a chemical reaction
- manufactured in the leaves from excess glucose
- light being absorbed and converted to chemical energy
- the substance in which plants grow
16 Clues: sugar • ADP/ATP • NADP+/NADPH • allows plants to grow • surrounds the chloroplast • where energy is generated • a molecule containing chlorophyll • the substance in which plants grow • does not require light to have a reaction • compound found in the chloroplasts of plants • manufactured in the leaves from excess glucose • how plants get their energy to produce glucose • ...
Intro to Biology Review #1! 2023-02-06
Across
- Cellular ___ makes ATP
- Internal "jelly filling" of a cell
- Cells are surrounded & protected by a ___
- Staying alive by maintaining balance
- Organelle that controls the cell
- One complete living thing
Down
- Give more, get more = ___ Feedback Loop
- Organelle that stores water
- Organelle that makes energy
- When cells refuse to die
- "The Study of Life"
- Cells all working together
- Things that begin a chemical reaction
- Results of a chemical reaction
- Smallest unit of life
- Give more, get less = ___ Feedback Loop
16 Clues: "The Study of Life" • Smallest unit of life • Cellular ___ makes ATP • When cells refuse to die • One complete living thing • Cells all working together • Organelle that stores water • Organelle that makes energy • Results of a chemical reaction • Organelle that controls the cell • Internal "jelly filling" of a cell • Staying alive by maintaining balance • ...
Vocab 2023-02-02
Across
- an object that helps us understand
- group of atoms joined together
- something that can be observed
- relative to size
- can damage
- change position
- helps plants grow
Down
- Made during a chemical reaction
- atoms rearrange into new a new form
- repeating atoms that link together
- made of all the same atoms
- types and numbers of atoms that repeat
- temperature that changes into solid
- tiny pieces that all matter
- a temperature that changes liquid into gas
- part of a chemical reaction
16 Clues: can damage • change position • relative to size • helps plants grow • made of all the same atoms • tiny pieces that all matter • part of a chemical reaction • group of atoms joined together • something that can be observed • Made during a chemical reaction • an object that helps us understand • repeating atoms that link together • atoms rearrange into new a new form • ...
Biology Ch.2 Crossword - Kirsten Warren 2018-10-01
Across
- a substance produced by a living organism that acts as a catalyst to bring about specific biochemical reaction
- acid a simple organic compound containing both a carboxyl (—COOH) and an amino (—NH2) group.
- the action or fact of forming a united whole
- a compound consisting of a nucleoside linked to a phospate group.
- the tendency of energy to disperse
- the action or process of adhering to a surface or object
- any of a large group of organic compounds occuring in foods and living tissues and including sugars, starch, and cellulose.
- any of the class of soluble, crystalline, typically sweet-tasting carbohydrates found in living tissues and exemplified by glucose and sucrose
- bulding blocks for matter
- a substance formed when two or more chemical elements are chemically bonded together
Down
- a pure substance made of only 1 kind of atom
- change rearanges the atoms
- measure of the average speed of the particles within a substance
- a thing that is composed of 2 or more seperate elements
- get things done
- any of a class of organic compounds that are fatty acids or their derivatives and are insoluble in water but soluble in organic solvents.
- Change do not change a matter's identity
- a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change
- a substance that takes part in and undergoes change during a reaction
- a lasting attraction between atoms, ions or molecules that enables the formation of chemical compounds
20 Clues: get things done • bulding blocks for matter • change rearanges the atoms • the tendency of energy to disperse • Change do not change a matter's identity • a pure substance made of only 1 kind of atom • the action or fact of forming a united whole • a thing that is composed of 2 or more seperate elements • the action or process of adhering to a surface or object • ...
Maddie Roberts 2025-05-23
Across
- a substance formed when two or more chemical elements combine in a fixed ratio
- structure of an atom
- has a pH greater than 7
- a charged atom or molecule
- Atoms with the same number of protons but different numbers of neutrons
- Vertical columns on the periodic table
- a variable that stands alone and isn't changed by the other variables you are trying to measure
- consist of a nucleus proton and neutron
- a negatively charged ion
- Horizontal row on the periodic table
- relies on another variable
- A substance with high electrical conductivity, luster, and malleability,
- A scale that says how acidic or basic something is
- Circles around the nucleus
- Releases heat
Down
- a conclusion reached on a basis of evidence and reasoning
- observing something
- Takes heat in
- a representation of a chemical compound
- changes appearance after a reaction
- A mass of an atom
- unpaired valence electrons
- Lacks characteristic of a metal
- Shares valence electrons with other atoms
- a chemical that gives off hydrogen ions
- the number of a chemical
- A chemical reaction between an acid and a base
- forms a new substance when a reaction happens
- Electrons in the outer shell of an atom
- an orbit that electrons follow around an atom's nucleus.
30 Clues: Takes heat in • Releases heat • A mass of an atom • observing something • structure of an atom • has a pH greater than 7 • the number of a chemical • a negatively charged ion • unpaired valence electrons • a charged atom or molecule • relies on another variable • Circles around the nucleus • Lacks characteristic of a metal • changes appearance after a reaction • ...
energy changes 2013-05-18
Across
- These types of reactions are used in chemical cool packs used in sports
- The decomposition of ammonium chloride is an example fo this type of reaction
- An example of an everyday endothermic reaction
- This means 'without water'
- An exanple of a reversible reaction showing a colour change from blue to white involves this compound
- An exothermic reaction gives .... heat
- In chemical reactions this cannot be created or destroyed
Down
- This would be present in an equation of a reversible reaction
- An endothermic reaction takes ... heat
- An example of an everyday exothermic reaction
- These types of reactions are used in hand warmers
11 Clues: This means 'without water' • An endothermic reaction takes ... heat • An exothermic reaction gives .... heat • An example of an everyday exothermic reaction • An example of an everyday endothermic reaction • These types of reactions are used in hand warmers • In chemical reactions this cannot be created or destroyed • ...
matter vocab 2024-05-23
Across
- the amount of space the objects take up
- a characteristic of a substance that can be observed or measured without changing the identity
- absorbing heat- hot
- the ability to do work
- a group of atoms bonded together
- a substance that changes in a chemical reaction
- a substance that cannot be broken down into similar substance by chemical means
- typically large body of matter with no defined shape
- to attract water molecules together
- a link between atoms in molecules or compounds
- the chemical substance Which are formed from 2 or more chemical substances
Down
- a substance made by mixing other substances together
- a rearrangement of atoms or molecules
- releasing heat-cold
- a change of materials into another, new chemicals are formed
- the study of matter
- a condition of being hot
- a thing that is composed of two or more separate elements
18 Clues: absorbing heat- hot • releasing heat-cold • the study of matter • the ability to do work • a condition of being hot • a group of atoms bonded together • to attract water molecules together • a rearrangement of atoms or molecules • the amount of space the objects take up • a link between atoms in molecules or compounds • a substance that changes in a chemical reaction • ...
Energy Changes (Exothermic and Endothermic Reactions) 2023-06-07
Across
- In an exothermic reaction the energy change is ............ as energy is released
- The temperature of the surroundings .......... in an exothermic reaction
- In an endothermic reaction the energy change is ............ as energy is absorbed
- A type of reaction where the reactants have more energy than the products
- The name of the chemicals that are made in a chemical reaction
- An endothermic reaction that happens in plants
Down
- What is the energy needed to start a reaction called?
- A type of reaction that absorbs energy from the surroundings
- The name of the chemicals that react together in a chemical reaction
- An exothermic reaction that happens in all living things to release energy
- The temperature of the surroundings .......... in an endothermic reaction
11 Clues: An endothermic reaction that happens in plants • What is the energy needed to start a reaction called? • A type of reaction that absorbs energy from the surroundings • The name of the chemicals that are made in a chemical reaction • The name of the chemicals that react together in a chemical reaction • ...
Chemistry Crossword Puzzle 2022-06-15
Across
- The amount of each atom within the molecule or formula unit
- a type of change that cannot be reversed, occurs on a molecular level.
- the type of yield found by stoichiometry.
- the result of a chemical reaction/equation.
- the total mass of a chemical compound.
- The number in a chemical reactions indicating the relative amount of each particle present before and after the reaction. The mole ratio is derived by comparing these numbers
- The relationship between the quantities of reactants and products before, during, and following chemical reactions.
- a standard scientific unit for measuring large quantities of very small entities such as atoms, molecules, and particles
Down
- Reactions that occur when two different atoms or molecules interact to form a different molecule or compound.
- The number used as the conversion factor for going from moles to particles (or vice versa).
- what must be done to a chemical equation to maintain the law of conservation of mass.
- A reaction that occurs when one reactant breaks down into two or more products.
- the reactant that determines the maximum amount of product that can be made.
- a type of change that is reversible.
- consisting of multiple atoms.
15 Clues: consisting of multiple atoms. • a type of change that is reversible. • the total mass of a chemical compound. • the type of yield found by stoichiometry. • the result of a chemical reaction/equation. • The amount of each atom within the molecule or formula unit • a type of change that cannot be reversed, occurs on a molecular level. • ...
matter 2023-01-18
Across
- usually a one- or two letter set of charaters that is used to identify a element
- the chemical products created in chemical reaction
- A combanation of symbols that shows the ratio of elements in a compound
- A process in which substances undergo chemical changes
- the number of protons and neutrons in the nucleus
- A substance that takes part in and undergos change during a reaction
- the central core of an atom,containing protons and usually neutrons
- A combanation of two or more atoms that are bonded together
- a display of chemical elements to organize
- A symbolic representation of a chemical reaction in form of symbols
- the smallest particle of an element
- two or more substances that are mixed together but not chemicaly combined
- electrons in the outer shell of an atom
- the number of protons in the nucleus determines location in the periodic table
- A transfer of electrons between a metal and a nonmetal
- small positively charged particle in the nucleus of an atom
- a tiny negitivity charged high-energy particle that moves in the space outside the nucleus of an atom
Down
- particles smaller than atoms:protons neutrons or electron
- A change that alters the form or appearence of a substance but does not make the material into another substance
- A stubstance made of two or more elements chemically combined
- A change in matter that produces new stubstances
- the force that holds two atoms together
- A single kind of matter that has distinct physical and chemical properties
- anything that has mass and occupies space
- chemical bond with shared electrons between two nonmetals
- A numeral or constant quantity placed before and multiplying the variable
- A region of negative charge surrounding an atomic nucleus
- atomic mass unit-number of protons and neutrons
- A substance that cannot be broken down into other substances by chemical or physical means
- small uncharted particle in the nucleus of an atom
30 Clues: the smallest particle of an element • the force that holds two atoms together • electrons in the outer shell of an atom • anything that has mass and occupies space • a display of chemical elements to organize • atomic mass unit-number of protons and neutrons • A change in matter that produces new stubstances • the number of protons and neutrons in the nucleus • ...
Final Crossword Puzzle 2023-04-21
Across
- The letter(s)found in an element box to represent that element.
- This is the same as the number of protons.
- Cations ______ an electron.
- Protons are...
- The middle of an atom.
- NaCl (ionic)
- compounds with a metal and nonmetal
- This is found by adding the particles in the nucleus.
- N2O5 (covalent)
- This has a charge because it gained or lost electrons.
- A reaction that absorbs energy.
- Neutral (pH of 7)
- IF4(covalent)
- The safety flame appears ________.
- Protons, neutrons, and electrons are called...
- Anions ______an electron.
- Chemical Symbol Au
- The negative particle found outside the nucleus of an atom
- When turning on a bunsen burner you want to start with a ______ flame.
- The second electron shell can hold this many.
- The fist electron shell can hold this many.
- A negative ion.
- If the amount of electrons and protons match in an atom it is...
- If the amount of protons and neutrons match in an atom it is...
- Chemical Symbol N
- Chemical Symbol K
- Electrons and Protons are the ______ particles.
Down
- Chemical Symbol Cl
- The electrons in the outermost shell.
- Chemical Symbol H
- The atomic mass is found at the ______of an element's box.
- below 7 pH
- Li3P (ionic)
- The atomic number is found at the _______of an element's box.
- Hydrogen has this many protons.
- NO (covalent)
- To turn ____the gas make sure it is an L shape.
- When using a bunsen burner you should wear ________ goggles.
- Before turning on a bunsen burner you should turn the collar to make sure the ______ are closed.
- An endothermic reaction feels _______to touch.
- The first letter in a chemical symbol is uppercase. The second is_______.
- Uses dots to show the amount of valence electrons
- Most acidic (pH of 0)
- An exothermic reaction feels ______to touch.
- The nucleus it made of neutrons and ________.
- Has numbers on it that determine if something is acidic or basic based off the potential hydrogen.
- above 7 pH
- Chemical Symbol B
- The neutral particle found in the nucleus.
- A postive ion.
- Chemical Symbol He
- 7 pH
- compounds with two nonmetals
- A reaction that releases energy.
- Carbon has this many valence electrons.
55 Clues: 7 pH • below 7 pH • above 7 pH • Li3P (ionic) • NaCl (ionic) • NO (covalent) • IF4(covalent) • Protons are... • A postive ion. • N2O5 (covalent) • A negative ion. • Chemical Symbol H • Neutral (pH of 7) • Chemical Symbol B • Chemical Symbol N • Chemical Symbol K • Chemical Symbol Cl • Chemical Symbol Au • Chemical Symbol He • Most acidic (pH of 0) • The middle of an atom. • Anions ______an electron. • ...
Glossary 2016-10-23
Across
- Chemicals produce in a chemical reaction. they are written on the right hand side o the arrow
- A type of sugar produced by photosynthesis with chemical formula
- The term commonly used for sodium chloride but covers any compound formed by a metal taking the place of the hydrogen atom in an acid
- Respiration A reaction that uses oxygen to release energy stored in glucose
- Hydrated iron
- A reaction of an acid with a base forming a salt and water
- A process in which chemicals move caused by different concentrations of the chemical
Down
- equation Simple written description of what is happening in a reaction
- Endothermic reaction that takes place in green plants. Uses energy from sunlight to combine water and carbon dioxide and produces glucose and oxygen gas.
- The break down of metals due to their reaction with other chemicals
- rain Rain that has acids such as nitric acid and sulfurie acid dissolved in it
- A biological catalyst that speeds up a reaction
12 Clues: Hydrated iron • A biological catalyst that speeds up a reaction • A reaction of an acid with a base forming a salt and water • A type of sugar produced by photosynthesis with chemical formula • The break down of metals due to their reaction with other chemicals • equation Simple written description of what is happening in a reaction • ...
Chemical Equations 2022-02-01
Across
- Rate or ___ depend on number and efficiency of the collision
- Stoichiometry comes from the greek word stoicheion meaning _____ and measure
- This is the condition that needs to be met
- Reaction rate increases as ______ surface increases
- Study of substances in balanced equations
Down
- A balanaced equation indicates the ______ of substances.
- Reaction ____ is the measure of how quickly a chemical reaction occurs
- We measure reaction rate in units of this
- In this reaction, atoms are neither destroyed nor created
- Proteins in living things that act as catalysts
- Catalysts can do this to reaction rates
11 Clues: Catalysts can do this to reaction rates • We measure reaction rate in units of this • Study of substances in balanced equations • This is the condition that needs to be met • Proteins in living things that act as catalysts • Reaction rate increases as ______ surface increases • A balanaced equation indicates the ______ of substances. • ...
dfg 2025-04-21
Across
- The small number showing how many atoms in a formula.
- A reaction that takes in heat.
- A change that creates one or more new substances.
- An equation where the atoms don't match on both sides.
- The force particles create when they hit the walls of a container.
- An equation where the number of atoms is the same on both sides.
- A solid formed when two solutions react.
- When a gas cools and becomes a liquid.
- What happens when particles move apart when heated.
- When metals react slowly with air or water.
- When a liquid turns into a solid.
- A chemical equation written in words.
Down
- A reaction that gives off heat.
- A change that does not create a new substance.
- The big number showing how many molecules or units.
- A reaction in plants that makes glucose from sunlight.
- The amount of matter in an object.
- A chemical equation using symbols and formulas.
- A burning reaction with oxygen.
- A reaction in cells that releases energy from glucose.
- When a solid changes straight into a gas.
- The substance made in a reaction.
- A state of matter that spreads out to fill any space.
- What happens when particles come closer when cooled.
- The starting substance in a reaction.
- When a liquid turns into a gas.
- A state of matter that flows and takes the shape of its container.
27 Clues: A reaction that takes in heat. • A reaction that gives off heat. • A burning reaction with oxygen. • When a liquid turns into a gas. • The substance made in a reaction. • When a liquid turns into a solid. • The amount of matter in an object. • The starting substance in a reaction. • A chemical equation written in words. • When a gas cools and becomes a liquid. • ...
Biology Crossword Puzzle 2025-01-15
Across
- a process in which one or more substances are converted to one or more different substances
- a subatomic particle with a positive charge
- a chemical bond that involves the sharing of electrons to form electron pairs
- a homogeneous mixture where one substance is evenly and completely distributed into another substance
- the basic unit of an element, is the building block of everything
- the substance being dissolved when forming a solution
- an elementary particle that has a negative charge of electricity and travels around the nucleus of an atom
- a combination of two or more substances in any proportion
- a substance that releases hydroxide ions into solutions
- a molecule made up of amino acids linked together by covalent bonds
- the smallest particle of a substance that has all of the physical and chemical properties of that substance
- a substance made up of two or more different chemical elements
- a solution that can resist pH change upon the addition of an acidic or basic components
- a biological molecule composed of carbon, hydrogen, and oxygen atoms
Down
- a region on an enzyme that binds to a protein or other substance during a reaction
- the positively charged center of the atom consisting of protons and neutrons
- a molecule that is the basic building block of the nucleic acids DNA and RNA
- a subatomic particle with a neutral charge
- a substance that is present at the start of a chemical reaction
- an atom or molecule that is charged due to a difference in number of electrons and protons
- a substance with the ability to dissolve other substances to form a solution
- a substance that acts as a catalyst in living organisms
- a substance that is present at the end of a chemical reaction
- large molecules formed by joining smaller organic molecules together
- a large molecule made up of many repeating compounds called monomers
- an atom with the same amount of protons but different amount of neutrons
- the fundamental building blocks of proteins
- a substance that speeds up a chemical reaction without being consumed during the reaction
- the reactants that bind to an enzyme
- a substance that releases hydrogen ions into solutions
30 Clues: the reactants that bind to an enzyme • a subatomic particle with a neutral charge • a subatomic particle with a positive charge • the fundamental building blocks of proteins • the substance being dissolved when forming a solution • a substance that releases hydrogen ions into solutions • a substance that acts as a catalyst in living organisms • ...
Biology A Unit 2 Lesson 6: Chemical Reactions 2022-08-20
Across
- a specialized protein that speeds up a chemical reaction
- a substance involved in a chemical reaction
- the energy input required to start a chemical reaction (2 words)
- a model of a chemical reaction (2 words)
- the output of a chemical reaction
- a change that releases more energy than it absorbs
Down
- a process in which the chemical arrangement of a substance changes (2 words)
- a change that absorbs more energy than it releases
8 Clues: the output of a chemical reaction • a model of a chemical reaction (2 words) • a substance involved in a chemical reaction • a change that absorbs more energy than it releases • a change that releases more energy than it absorbs • a specialized protein that speeds up a chemical reaction • the energy input required to start a chemical reaction (2 words) • ...
9.4 Combustion Reactions 2025-03-04
Across
- some organisms use this instead of oxygen for cellular respiration
- second product in a combustion reaction
- another name for methane
- combustion in the cells of living organisms
- CH4
- a chemical reaction where a substance rapidly reacts with oxygen, typically producing heat and light
- third product of a combustion reaction
Down
- C3H8
- second reactant in a combustion reaction
- C8H18
- what we call combustion in everyday language
- first product in a combustion reaction
- a molecule that cells use to power various functions
- first reactant in a combustion reaction
- C6H12O6
15 Clues: CH4 • C3H8 • C8H18 • C6H12O6 • another name for methane • first product in a combustion reaction • third product of a combustion reaction • second product in a combustion reaction • first reactant in a combustion reaction • second reactant in a combustion reaction • combustion in the cells of living organisms • what we call combustion in everyday language • ...
Unit 2 Jacob Simons 2023-04-05
Across
- movement of molecules from a region of low concentration to a high
- large complex molecules
- the basic unit of life
- a small structure in a cell
- the basic unit of a chemical element
- part of an organism that performs a specific function
- minimum quantity of energy in order for a species to undergo a chemical reaction
- water loving
- a group of atoms bonded together
- when a protein is changed from its natural quality
- Proteins that accelerate chemical reactions
Down
- a reactant in a chemical reaction
- a group of cells that work together to perform a specific function
- water fearing
- the ability of the cell to control what comes in or out of the cell
- The part of the enzyme where the substrate binds
- A fat that contain phosphorus
- A living thing that has an organized structure
18 Clues: water loving • water fearing • the basic unit of life • large complex molecules • a small structure in a cell • A fat that contain phosphorus • a group of atoms bonded together • a reactant in a chemical reaction • the basic unit of a chemical element • Proteins that accelerate chemical reactions • A living thing that has an organized structure • ...
CC8 Acid and Alkali 2017-02-13
Across
- The result when a solute dissolves in a solvent
- Substances that neutralise acids to form salt and water only
- Colour indicator goes when in acid
- Hydroxide ion (OH-) donor
- A solid that is unable to dissolve in a solvent
- An insoluble solid that forms during a preciptation reaction
- A solid that will dissolve in a solvent
- Symbol (s) used in chemical equations
Down
- Symbol (aq) used in chemical equations
- Substance that is able to dissolve in a solvent
- a reaction where hydrogen ions react with hydroxide ions to form water
- the measure of how soluble something is
- gives a green colour with indicator
- Hydrogen ion (H+) donor
- A liquid that can cause a solid to dissolve
- Symbol (l) used in chemical equations
- Symbol (g) used in chemical equations
- Colour methyl orange goes in alkali solutions
18 Clues: Hydrogen ion (H+) donor • Hydroxide ion (OH-) donor • Colour indicator goes when in acid • gives a green colour with indicator • Symbol (l) used in chemical equations • Symbol (g) used in chemical equations • Symbol (s) used in chemical equations • Symbol (aq) used in chemical equations • the measure of how soluble something is • A solid that will dissolve in a solvent • ...
Lucas Da Silva 2025-04-22
Across
- the number in front of the formula
- he symbolic representation of a chemical reaction in the form of symbols and formula
- a lowest nuber ration of elements within a compound
- mass of 1 mole of a substance
- 6.022 x 10^23
- a conversion factor between compounds in a chemical reaction
Down
- the percent ratio of actual yield to the theoretical yield
- multiple of an empirical formula
- A measure of a chemical reaction's efficiency, as a ratio of moles of product to moles of reactant.
- is a reactant in a chemical reaction that determines the amount of product that is formed
- the study of ratios within chemical reactions
11 Clues: 6.022 x 10^23 • mass of 1 mole of a substance • multiple of an empirical formula • the number in front of the formula • the study of ratios within chemical reactions • a lowest nuber ration of elements within a compound • the percent ratio of actual yield to the theoretical yield • a conversion factor between compounds in a chemical reaction • ...
Lucas Da Silva 2022-03-08
Across
- the number in front of the formula
- he symbolic representation of a chemical reaction in the form of symbols and formula
- a lowest nuber ration of elements within a compound
- mass of 1 mole of a substance
- 6.022 x 10^23
- a conversion factor between compounds in a chemical reaction
Down
- the percent ratio of actual yield to the theoretical yield
- multiple of an empirical formula
- A measure of a chemical reaction's efficiency, as a ratio of moles of product to moles of reactant.
- is a reactant in a chemical reaction that determines the amount of product that is formed
- the study of ratios within chemical reactions
11 Clues: 6.022 x 10^23 • mass of 1 mole of a substance • multiple of an empirical formula • the number in front of the formula • the study of ratios within chemical reactions • a lowest nuber ration of elements within a compound • the percent ratio of actual yield to the theoretical yield • a conversion factor between compounds in a chemical reaction • ...
Lucas Da Silva 2022-03-08
Across
- the number in front of the formula
- he symbolic representation of a chemical reaction in the form of symbols and formula
- a lowest nuber ration of elements within a compound
- mass of 1 mole of a substance
- 6.022 x 10^23
- a conversion factor between compounds in a chemical reaction
Down
- the percent ratio of actual yield to the theoretical yield
- multiple of an empirical formula
- A measure of a chemical reaction's efficiency, as a ratio of moles of product to moles of reactant.
- is a reactant in a chemical reaction that determines the amount of product that is formed
- the study of ratios within chemical reactions
11 Clues: 6.022 x 10^23 • mass of 1 mole of a substance • multiple of an empirical formula • the number in front of the formula • the study of ratios within chemical reactions • a lowest nuber ration of elements within a compound • the percent ratio of actual yield to the theoretical yield • a conversion factor between compounds in a chemical reaction • ...
Matter 2024-02-27
Across
- has mass and takes up space
- chemical formula for water
- change in _____ is an indicator of chemical reaction
- positively charged subatomic particle
- exothermic reactions _____ bonds
- change that produces a new substance
- an insoluable solid in a liquid solution
- releases energy
- endothermic reactions ____ bonds
Down
- number of protons in an element
- smallest unit of matter
- chemical formula for carbon dioxide
- absorbs energy
- group of atoms bonded together
- chemical formula for salt
- evaporating water is a ______ change
- neutrally charged subatomic particle
- burning wood is a ______ change
- negatively charged subatomic particle
19 Clues: absorbs energy • releases energy • smallest unit of matter • chemical formula for salt • chemical formula for water • has mass and takes up space • group of atoms bonded together • number of protons in an element • burning wood is a ______ change • exothermic reactions _____ bonds • endothermic reactions ____ bonds • chemical formula for carbon dioxide • ...
Chemical Reactions Vocabulary 2025-11-11
Across
- The physical form of matter - solid, liquid or gas.
- A change that occurs when the spacing or interactions between paticles in a substance change or the particles mix with other particles.
- The amount of matter in an object.
- A process that absorbs energy (turns cold).
- An insoluble solid formed when two liquid solutions are mixed.
- A process that releases energy (produces heat).
- The original substances present before a reaction takes place.
Down
- A symbolic representation of the reactants and products in a chemical reaction.
- Saved; neither gained nor lost.
- The scientific law that mass is neither created nor destroyed during a chemical reaction.
- The total energy of motion of the particles in a sample of a substance.
- A process during which a substance changes into one or more new substances.
- To mix into another substance at the molecular level.
- The final substances present at the end of a chemical reaction.
14 Clues: Saved; neither gained nor lost. • The amount of matter in an object. • A process that absorbs energy (turns cold). • A process that releases energy (produces heat). • The physical form of matter - solid, liquid or gas. • To mix into another substance at the molecular level. • An insoluble solid formed when two liquid solutions are mixed. • ...
Chemical reactions 2016-02-25
Across
- The reacting substances are known as
- Heat is evolved during
- The shorthand representation of chemical reaction is
- The reaction which produces insoluble salts
- Name the gas evolved when lead nitrate is heated.
- The name of N2O
- The term used for oxidation of fats and oils.
- The unbalanced chemical equation is known as
Down
- Coating of zinc over iron is
- Some crystals of copper sulphate were dissolved in water.The color of the solution obtained would be.
- AlCl3.
- Color of silver chloride.
- The digestion of food in the is an example of
- Fe2O3.xH2O is called as
- The type of reaction in which one element replaces another element in a compound.
- Color of PbO.
- Addition of oxygen to substance is called as
- Color of Pb(NO3)2
- The new substance produced is known as
19 Clues: AlCl3. • Color of PbO. • The name of N2O • Color of Pb(NO3)2 • Heat is evolved during • Fe2O3.xH2O is called as • Color of silver chloride. • Coating of zinc over iron is • The reacting substances are known as • The new substance produced is known as • The reaction which produces insoluble salts • Addition of oxygen to substance is called as • ...
Lucas Da Silva 2022-03-08
Across
- the number in front of the formula
- he symbolic representation of a chemical reaction in the form of symbols and formula
- a lowest nuber ration of elements within a compound
- mass of 1 mole of a substance
- 6.022 x 10^23
- a conversion factor between compounds in a chemical reaction
Down
- the percent ratio of actual yield to the theoretical yield
- multiple of an empirical formula
- A measure of a chemical reaction's efficiency, as a ratio of moles of product to moles of reactant.
- is a reactant in a chemical reaction that determines the amount of product that is formed
- the study of ratios within chemical reactions
11 Clues: 6.022 x 10^23 • mass of 1 mole of a substance • multiple of an empirical formula • the number in front of the formula • the study of ratios within chemical reactions • a lowest nuber ration of elements within a compound • the percent ratio of actual yield to the theoretical yield • a conversion factor between compounds in a chemical reaction • ...
Physical and Chemical Reaction 2023-11-23
Across
- Two or more elements chemically combined together
- The reactants can be turned back to the products
- A reaction where new compounds are formed
- Chemical symbol is Na
Down
- Chemical symbol is C
- A liquid compound containing 2 Hydrogen atoms and 1 Oxygen atom
- Chemical symbol is O
- Chemical symbol is Mg
- A reaction where NO new compounds are formed
- Made up of one type of atom only
- Particles are tightly packed together
11 Clues: Chemical symbol is C • Chemical symbol is O • Chemical symbol is Mg • Chemical symbol is Na • Made up of one type of atom only • Particles are tightly packed together • A reaction where new compounds are formed • A reaction where NO new compounds are formed • The reactants can be turned back to the products • Two or more elements chemically combined together • ...
Adin's Chemistry Crossword 2021-02-19
Across
- The percent of product produced in a reaction
- A substance that other materials disolve in to form a solution
- A homogeneous mixture of two or more substances
- The ratio of atoms in a compound
- A sector of Chemistry that deals with quantitative relationships between elements in a compound and between the reactants and products in a chemical reaction
- A substance that is present at the beginning of a chemical reaction
- The amount in moles of two substances in any given chemical reaction
- A reactant that is used up completely
Down
- A measurement of an amount of substance
- This shows the mole relationships of reactants and products
- Mass of a substance
- This is a number that relates to the number of a mole
- A molecule that is capable of forming a covalent bond with an electron pair
- To decrease the concentration of a solute in a solution
14 Clues: Mass of a substance • The ratio of atoms in a compound • A reactant that is used up completely • A measurement of an amount of substance • The percent of product produced in a reaction • A homogeneous mixture of two or more substances • This is a number that relates to the number of a mole • To decrease the concentration of a solute in a solution • ...
Biology Vocabulary Crossword 2024-09-29
Across
- A type of organic molecule made of sugar molecules, providing energy to cells.
- The minimum energy needed for a chemical reaction to occur.
- A network of membranes involved in protein and lipid synthesis.
- The substance on which an enzyme acts during a chemical reaction.
- The substances formed as a result of a chemical reaction.
- An organelle in plant cells that converts sunlight into energy through photosynthesis.
- A storage sac within a cell that holds various substances, such as nutrients or waste
- A chemical reaction that releases energy, often producing heat.
- Whip-like structures that help some cells move.
- The gel-like substance inside a cell where organelles are located.
- The cellular structure that synthesizes proteins by translating mRNA.
- A molecule, such as DNA or RNA, that carries genetic information.
- A simple carbohydrate that provides energy to cells.
- A chemical reaction that absorbs energy, often resulting in a temperature drop.
Down
- A building block of lipids, consisting of long chains of carbon and hydrogen.
- The basic unit of nucleic acids, consisting of a sugar, a phosphate group, and a base.
- A protein that speeds up chemical reactions in the body.
- A carbohydrate made of two monosaccharides linked together.
- An organelle that processes and packages proteins for export from the cell.
- A large molecule made of amino acids that performs various functions in the body.
- A three-carbon molecule that combines with fatty acids to form lipids.
- A carbohydrate made of many monosaccharides linked together.
- The simplest form of sugar, serving as a building block for carbohydrates.
- A type of fat that contains no double bonds between carbon atoms, typically solid at room temperature.
- The membrane-bound organelle that contains the cell's genetic material.
- A type of organic molecule that includes fats and oils, important for energy storage.
- The building blocks of proteins, used by the body for growth and repair.
- A rigid outer layer that provides support and protection to plant cells.
- The protective barrier that surrounds a cell, controlling what enters and exits.
- A type of fat that contains one or more double bonds between carbon atoms, usually liquid at room temperature.
30 Clues: Whip-like structures that help some cells move. • A simple carbohydrate that provides energy to cells. • A protein that speeds up chemical reactions in the body. • The substances formed as a result of a chemical reaction. • The minimum energy needed for a chemical reaction to occur. • A carbohydrate made of two monosaccharides linked together. • ...
yareli 1.2 2021-10-27
Across
- chemical that abs orbs heat energy
- in feraction between molecules that causes a chemical that cause a chemical change, converting an existing substanc into new substance
- the substsnces present before a chemical reaction accruin a chemical reaction the arrow usally point away from the reactint
- material that has mas and takes up some amout of space
- a change matter that dose not affect it's chemical compostion
Down
- a chemical process that changes a substance into a new substance
- chemical reaction that give off heat energy
- the substances that are formed during a chemical reaction a chemical reaction the arrows point to word the product
8 Clues: chemical that abs orbs heat energy • chemical reaction that give off heat energy • material that has mas and takes up some amout of space • a change matter that dose not affect it's chemical compostion • a chemical process that changes a substance into a new substance • ...
Unit 2 Vocab 2 2025-10-30
Across
- of Matter Matter isn’t created or destroyed, even in a spooky reaction.
- A magical (or chemical) mixture that causes change.
- Change A process where new substances form — like when vinegar and baking soda react!
- Equation Shows equal numbers of atoms on both sides — proving matter is conserved.
- Invisible like gas released during some reactions.
Down
- Signs that a chemical change happened — color, bubbles, light, or temperature change.
- A witch’s bubbling pot — or a container for a chemical reaction!
- Change A change in appearance only — like ice melting into water.
- The scientist of Halloween, mixing mysterious ingredients together! |
- Orange Halloween symbol — might even take part in a fizzy reaction!
- System A reaction where gases or vapors can escape into the air.
- System A setup where no matter can enter or escape during an experiment.
12 Clues: Invisible like gas released during some reactions. • A magical (or chemical) mixture that causes change. • A witch’s bubbling pot — or a container for a chemical reaction! • System A reaction where gases or vapors can escape into the air. • Change A change in appearance only — like ice melting into water. • ...
Physical and Chemical Changes and Reactions 2024-01-30
Across
- In a ball and stick model, this represents the bonds.
- A change in size, shape, form, or state of matter in which the matter's identity stays the same.
- The starting substances in a chemical reaction.
- Speed up chemical reactions.
- A characteristic of matter that can be observed as it changes to a different type of matter.
- A change in matter in which the substances that make up the matter change into other substances with new physicacharacteristicl properties.
Down
- A process in which atoms of one or more substances rearrange to form one or more new substances.
- The substances produced by the chemical reaction.
- A characteristic of matter that you can observe or measure without changing the identity of the matter.
- Slow or stop a chemical reaction.
- A strong force of attraction holding atoms together in a molecule.
- Speed up chemical reactions in living cells.
- In a ball and stick model, this represents the atoms.
- Two or more atoms that are held together by bonds and act as a unit.
14 Clues: Speed up chemical reactions. • Slow or stop a chemical reaction. • Speed up chemical reactions in living cells. • The starting substances in a chemical reaction. • The substances produced by the chemical reaction. • In a ball and stick model, this represents the bonds. • In a ball and stick model, this represents the atoms. • ...
WWWW 2023-10-06
Across
- A way to represent a chemical reaction with symbols and numbers.
- The substances formed as a result of a chemical reaction.
- The starting substances in a chemical reaction.
- Rapid burning with oxygen, often producing heat and light.
- __Equations: Adjusting coefficients to ensure atoms are conserved.
Down
- A process that changes substances into new ones.
- A factor that affects reaction speed; higher temps make reactions faster.
- Breaking down a compound into simpler substances.
- Combining substances to make a more complex one.
- A substance that speeds up a reaction without being used up in the process.
10 Clues: The starting substances in a chemical reaction. • A process that changes substances into new ones. • Combining substances to make a more complex one. • Breaking down a compound into simpler substances. • The substances formed as a result of a chemical reaction. • Rapid burning with oxygen, often producing heat and light. • ...
Jillian-chemistry 2019-10-18
Across
- amount of space an object takes up
- the building blocks of everything
- the ability to do work
- when multiple atoms combine
- a substance that is created from a chemical reaction
- of the same kind
- change of a gas to a liquid to a gas
- a property that is measurable and color able
- an atom that has become charged due to the loss or gain of electron
- what you started with
- what you get after a chemical reaction
- the mass of an atom or element
Down
- substance that does the dissolving in the solution
- anything that has mass and volume
- combination of atoms formed by a covalent bond
- the person who made the periodic table
- any material that react with an element
- a positively cared particle in the nucleus of an atom
- when a reaction turns into jelly or a solid
- base unit of an element
20 Clues: of the same kind • what you started with • the ability to do work • base unit of an element • when multiple atoms combine • the mass of an atom or element • anything that has mass and volume • the building blocks of everything • amount of space an object takes up • change of a gas to a liquid to a gas • the person who made the periodic table • ...
Nao Iwashima 2022-11-30
Across
- - K
- - g
- - Zn
- - H
- - the left side of the chemical reaction
- - Na
- formula mass - Mr
- - the amount of space that a substance or object occupies, or that is enclosed within a container.
- - the right side of the chemical reaction
- - the smallest particle
- - s
- - NH3
- dioxide - CO2
- - number of units in one mole of any substance (defined as its molecular weight in grams), equal to 6.02214076 × 10 to the power of 23
Down
- - the relationship between the relative quantities of substances taking part in a reaction or forming a compound, typically a ratio of whole integers.
- - Mg
- - everyone's favorite subject
- - can be measured in g/dm³ or mol/dm³
- - the second smallest particle
- - composed of two or more elements
- - should be prioritized when during an experiment
- - a liquid mixture in which the minor component (the solute) is uniformly distributed within the major component
- - O2
23 Clues: - K • - g • - H • - s • - Mg • - Zn • - Na • - O2 • - NH3 • dioxide - CO2 • formula mass - Mr • - the smallest particle • - everyone's favorite subject • - the second smallest particle • - composed of two or more elements • - can be measured in g/dm³ or mol/dm³ • - the left side of the chemical reaction • - the right side of the chemical reaction • - should be prioritized when during an experiment • ...
S&S Chemistry 6 2021-07-25
Across
- vessel used for high temp. chemical reactions.
- change directly from solid to gas.
- jar with conical body and cylindrical neck.
- reaction reaction with absorption of heat.
- reaction - separation of a substance.
- reaction product of one is a reactant in the next.
- point temperature where solid turns liquid.
- purify by boiling and condensing.
Down
- burner gas burner used in laboratories.
- point temp. when a liquid boils at sea level.
- point temperature where liquid turns solid.
- reaction one molecule is added to another.
- reaction reaction with release of heat.
- reaction with oxygen to give heat and light.
- flat-bottomed jar made of glass.
15 Clues: flat-bottomed jar made of glass. • purify by boiling and condensing. • change directly from solid to gas. • reaction - separation of a substance. • burner gas burner used in laboratories. • reaction reaction with release of heat. • reaction one molecule is added to another. • reaction reaction with absorption of heat. • jar with conical body and cylindrical neck. • ...
Balancing Chemical Equations 2024-12-13
Across
- the opposite of synthesis
- small number to the right of an element symbol
- chemical representation of a reaction
- chemical substance after the reaction
- number to the left of the formula
- this happens to matter in a chemical reaction
- a group of 2 or more elements forming a new substance
Down
- substances on the left of the equation
- 2 or more element forming one new substance
- substance dissolved in water
- symbolic representation of a substance
11 Clues: the opposite of synthesis • substance dissolved in water • number to the left of the formula • chemical representation of a reaction • chemical substance after the reaction • substances on the left of the equation • symbolic representation of a substance • 2 or more element forming one new substance • this happens to matter in a chemical reaction • ...
Enzyme 2024-11-16
Across
- The substance produced at the end of an enzyme-catalyzed reaction.
- When chemicals are mixed together this happens.
- This word means relating to biology or living organisms.
- The part of the enzyme where the substrate binds.
- This word means 'not permanent'.
- A molecule that speeds up chemical reactions in the body.
Down
- This word means to make something new.
- A...........is a chemical that can speedup any chemical reaction.
- This word means to hold together or to stick together.
- The substance on which an enzyme acts.
- Enzymes are not changed by the reaction, so they can be.........
- A molecule formed when the substrate binds to the enzyme is called enzyme-substrate.....
12 Clues: This word means 'not permanent'. • This word means to make something new. • The substance on which an enzyme acts. • When chemicals are mixed together this happens. • The part of the enzyme where the substrate binds. • This word means to hold together or to stick together. • This word means relating to biology or living organisms. • ...
Types of Reaction 2024-05-06
Across
- The process of adding water molecules to a substance or compound, often resulting in a hydrated form of the compound or a change in its physical properties
- Any chemical reaction in which the oxidation state of atoms changes, involving the transfer of electrons between reactants
- The opposite of synthesis, where a single compound breaks down into two or more simpler substances
- When two soluble substances in a solution combine to form an insoluble product, which then settles out of the solution
- When an acid reacts with a base to produce water and a salt
- The process of combining two or more substances to form a more complex compound or product, often accompanied by the release of energy
- When two or more substances combine to form a single product
Down
- A rapid chemical reaction between oxygen and a fuel, often producing heat and light
- Chemical reaction in which a compound is broken down by reacting with water, often resulting in the cleavage of bonds within the compound and the formation of two or more new compounds
- The chemical reaction involving the loss of electrons or an increase in oxidation state, often resulting in the addition of oxygen or the removal of hydrogen
- The opposite of oxidation, involving the gain of electrons or a decrease in oxidation state
- The development of unpleasant odors and flavors in fats and oils due to the breakdown of their chemical structure, often caused by exposure to oxygen, light, or heat
- The process of increasing the rate of a chemical reaction by adding a substance known as a catalyst, which remains unchanged at the end of the reaction and often lowers the activation energy required for the reaction to occur
- Process used to produce alcoholic beverages like wine and beer, as well as certain food products like yogurt and sauerkraut, typically involving the breakdown of sugars by microorganisms such as yeast or bacteria
- When one element replaces another element in a compound, often in the form of an element reacting with a compound
15 Clues: When an acid reacts with a base to produce water and a salt • When two or more substances combine to form a single product • A rapid chemical reaction between oxygen and a fuel, often producing heat and light • The opposite of oxidation, involving the gain of electrons or a decrease in oxidation state • ...
2.2/2.4 Chemical Reactions and Enzymes Vocab 2022-11-20
Across
- elements or compounds created by a chemical reaction
- reactant of an enzyme-catalyzed reaction
- attraction between molecules that are the same substance
- force of attraction between different kinds of molecules
- substance that speeds up the chemical reaction rate
- hydrogen atom and another atom that have a weak attraction
Down
- energy that is needed to get a reaction started
- elements or compounds that combine into a chemical reaction
- set of steps that transforms one set of chemicals into another
- protein catalyst that speeds up the specific biological reactions rate
10 Clues: reactant of an enzyme-catalyzed reaction • energy that is needed to get a reaction started • substance that speeds up the chemical reaction rate • elements or compounds created by a chemical reaction • attraction between molecules that are the same substance • force of attraction between different kinds of molecules • ...
Science 2022-09-20
Across
- A change in a substance that does not change its identity of the substance.
- a substance that takes part in and undergoes change during a reaction.
- The tendency of energy to disperse and become less available to do work
- An attraction between molecules of different substances
- A substance produced in a chemical reaction
- A pure substance made from two or more elements that are chemically combined.
- Molecule with partial charges. Mixes with water.
- The process by which particles in solution are evenly distributed throughout the solvent by Brownian motion.
- A substance that slows down or stops a chemical reaction
- a biomolecule composed of carbon, hydrogen, and oxygen with a ration of about two hydrogen atoms and one oxygen atom for every carbon atom
- Energy-rich organic compounds, such as fats, oils, and waxes, that are made of carbon, hydrogen, and oxygen.
- The smallest particle of a covalently bonded An attractive between two atoms as a result of sharing or transferring valence electrons.
- A type of protein that speeds up a chemical reaction in a living thing
- a measurement of the average speed of particles within a substance.
Down
- substance that speeds up the rate of a chemical reaction
- A substance that can produce hydroxide ions or accept hydrogen ions in solution
- A change in a substance that results in one or more new substances being formed that have different physical and chemical properties than those of the original substance.
- Attraction between molecules of the same substance
- monomer of nucleic acids made up of a 5-carbon sugar, a phosphate group, and a nitrogenous base
- Compounds that contain carbon
- An attractive between two atoms as a result of sharing or transferring valence electrons.
- compound
- Building blocks of matter
- the physical stuff that makes up the universe
- A substance that can produce hydrogen ions in solution
- the process by which one substance, the solute, is broken up into smaller pieces by and distributed
- Building blocks of protein
- A pure substance made of only one kind of atom
- the ability to do work
29 Clues: compound • the ability to do work • Building blocks of matter • Building blocks of protein • Compounds that contain carbon • A substance produced in a chemical reaction • the physical stuff that makes up the universe • A pure substance made of only one kind of atom • Molecule with partial charges. Mixes with water. • Attraction between molecules of the same substance • ...
Chem 2023-04-28
Across
- The substances that are formed as a result of a chemical reaction.
- The transfer of heat energy through electromagnetic waves, such as light or infrared radiation.
- The energy an object possesses due to its motion.
- The transfer of heat energy through a material or between materials that are in direct contact with each other.
- The study of the relationship between chemical reactions and heat energy.
- The SI unit of energy, equal to the work done when a force of one newton is applied over a distance of one meter.
- The starting materials in a chemical reaction that undergo a change to form products.
- The amount of heat energy required to raise the temperature of a unit mass of a substance by one degree Celsius or one Kelvin.
Down
- The amount of heat energy required to convert a substance from a liquid to a gas at constant temperature and pressure.
- The transfer of heat energy by the movement of a fluid, such as air or water, from one place to another.
- The amount of heat energy required to raise the temperature of one gram of water by one degree Celsius.
- The SI unit of temperature, equal to the Celsius temperature plus 273.15 degrees.
- A chemical reaction or process that releases heat energy into its surroundings.
- A chemical reaction or process that absorbs heat energy from its surroundings.
- The part of the total energy of a system that is related to its temperature and represents the sum of the kinetic energy and potential energy of its particles.
- The unit of temperature based on the freezing and boiling points of water.
- The measurement of heat energy transferred during a chemical or physical change.
- The energy transferred between objects that are at different temperatures.
- The amount of heat energy required to convert a substance from a solid to a liquid at constant temperature and pressure.
19 Clues: The energy an object possesses due to its motion. • The substances that are formed as a result of a chemical reaction. • The study of the relationship between chemical reactions and heat energy. • The unit of temperature based on the freezing and boiling points of water. • The energy transferred between objects that are at different temperatures. • ...
Macromolecule Crosword 2022-11-15
Across
- outcome of chemical reaction
- Mactomolecule composed of many monomers
- a type of catalyst for biological reactions
- possible monomer for a carbonhydrate
- what happens to an enzyme if conditions are not ideal
- part of an enzyme where substrate attaches
- the reactant of an enzyme reaction
- "giant molecule"
- Type of macromolecule used for long-term energy storage
- Type of macromolecule with lots of different jobs in a cell
Down
- Compound containing mostly carbon (may contain other elements)
- Type of macromolecule used for short-term energy storage
- DNA and RNA are examples
- transformation of one set of chemicals into different chemicals
- monomer for a protien
- a measure of how acidic or basic something is
- small part of a polymer
- a substance that speeds up a chemical reaction
- monomer for a nucleic acid
19 Clues: "giant molecule" • monomer for a protien • small part of a polymer • DNA and RNA are examples • monomer for a nucleic acid • outcome of chemical reaction • the reactant of an enzyme reaction • possible monomer for a carbonhydrate • Mactomolecule composed of many monomers • part of an enzyme where substrate attaches • a type of catalyst for biological reactions • ...
crossword 2022-10-21
Across
- colorless transparent odorless liquid
- chemical reaction
- living organism involing the production of energy
- organell found in large number of most cells
- colorless odorless reactive gas
- light from sun
- a substance wich participate in a chemical reaction
- energy molocule
Down
- colorless odorless gas
- a organell in plants
- involves green pigment chlorophyll and generates oxygen
- inside
- outside
- energy of body cells
14 Clues: inside • outside • light from sun • energy molocule • chemical reaction • a organell in plants • energy of body cells • colorless odorless gas • colorless odorless reactive gas • colorless transparent odorless liquid • organell found in large number of most cells • living organism involing the production of energy • a substance wich participate in a chemical reaction • ...
CC8 Acid and Alkali 2017-02-13
Across
- A liquid that can cause a solid to dissolve
- An insoluble solid that forms during a preciptation reaction
- Hydroxide ion (OH-) donor
- Symbol (g) used in chemical equations
- Symbol (aq) used in chemical equations
- Symbol (s) used in chemical equations
- Colour indicator goes when in acid
- A solid that will dissolve in a solvent
- A solid that is unable to dissolve in a solvent
- The result when a solute dissolves in a solvent
- Hydrogen ion (H+) donor
Down
- Substances that neutralise acids to form salt and water only
- the measure of how soluble something is
- a reaction where hydrogen ions react with hydroxide ions to form water
- Colour methyl orange goes in alkali solutions
- gives a green colour with indicator
- Substance that is able to dissolve in a solvent
- Symbol (l) used in chemical equations
18 Clues: Hydrogen ion (H+) donor • Hydroxide ion (OH-) donor • Colour indicator goes when in acid • gives a green colour with indicator • Symbol (g) used in chemical equations • Symbol (s) used in chemical equations • Symbol (l) used in chemical equations • Symbol (aq) used in chemical equations • the measure of how soluble something is • A solid that will dissolve in a solvent • ...
not generated 2.3&2.4 2022-10-07
Across
- 4 valence electrons, sixth element
- 2 or more chemically bonded atoms
- energy needed to start a reaction
- speeds up chemical reactions
- sugar
- makes up polymers
- made from amino acids
- process to make polymers
- fat, oil, or wax
Down
- ending element or compound
- starting element or compound
- polymers of nucleotides
- active site to speed up reaction
- from reactants to products
- made from monomers
- amino group and carboxyl group
- giant molecules
- reactants in a catalyst sped up reaction
- catalysts in cell
- make up nucleicacids
20 Clues: sugar • giant molecules • fat, oil, or wax • makes up polymers • catalysts in cell • made from monomers • make up nucleicacids • made from amino acids • polymers of nucleotides • process to make polymers • ending element or compound • from reactants to products • starting element or compound • speeds up chemical reactions • amino group and carboxyl group • active site to speed up reaction • ...
not generated 2.3&2.4 2022-10-07
Across
- 4 valence electrons, sixth element
- 2 or more chemically bonded atoms
- energy needed to start a reaction
- speeds up chemical reactions
- sugar
- makes up polymers
- made from amino acids
- process to make polymers
- fat, oil, or wax
Down
- ending element or compound
- starting element or compound
- polymers of nucleotides
- active site to speed up reaction
- from reactants to products
- made from monomers
- amino group and carboxyl group
- giant molecules
- reactants in a catalyst sped up reaction
- catalysts in cell
- make up nucleicacids
20 Clues: sugar • giant molecules • fat, oil, or wax • makes up polymers • catalysts in cell • made from monomers • make up nucleicacids • made from amino acids • polymers of nucleotides • process to make polymers • ending element or compound • from reactants to products • starting element or compound • speeds up chemical reactions • amino group and carboxyl group • active site to speed up reaction • ...
Sadia Ahidjo 2022-03-08
Across
- is a conversion factor between compounds in a chemical reaction, that is derived from the coefficients of the compounds in a balanced equation
- A chemical reaction is a process that leads to the chemical transformation of one set of chemical substances to another
- the lowest wheel # racial element within a compound.
- of 1 mole of substance
- maximum amount of product that can be produced based on the limiting reactant.
- is a unit of mass in the metric system defined as one thousandth (1 x 10-3) of a kilogram.
Down
- the ratio of the actual yield to the theoretical yield
- reactant that runs out first in a chemical reaction.
- multiple of an empirical formula
- the study of ratios within chemical reaction
10 Clues: of 1 mole of substance • multiple of an empirical formula • the study of ratios within chemical reaction • reactant that runs out first in a chemical reaction. • the lowest wheel # racial element within a compound. • the ratio of the actual yield to the theoretical yield • maximum amount of product that can be produced based on the limiting reactant. • ...
Sedimentary Rock Crossword 2023-11-21
Across
- Double decomposition reaction with water
- Laying down of sediment carried by wind
- Formed from shells and bodies of underwater organisms
- Denoting rocks composed of broken pieces
- Loss of electrons during a reaction by molecule
- Precipitation of a binding material around grains
- How sedimentary is formed
- process of alternate freezing and thawing
- Physical process of rubbing whereby particles of rock
- Chemical reaction of carbon dioxide to give carbonates
Down
- The property possessed by a shape that has angles
- Formed due to the expansion of rocks
- Process breaking rocks apart
- material which is the result of weathering and decompostion of rocks
- Process changes the composition of rocks
- Materials that have been moved from their place of origin
- Grouping objects or events on their similarities
- Any substance that has defined composition
- The process of eroding or being eroded by wind,water, etc.
- The exertion of force on something
20 Clues: How sedimentary is formed • Process breaking rocks apart • The exertion of force on something • Formed due to the expansion of rocks • Laying down of sediment carried by wind • Double decomposition reaction with water • Process changes the composition of rocks • Denoting rocks composed of broken pieces • process of alternate freezing and thawing • ...
1225 2025-11-16
Across
- Heat needed to vaporize substance
- Process at constant volume
- Energy change during chemical reaction
- Determines direction of reaction shift
- Transition between solid, liquid, gas
- Heat needed to melt substance
- Heat capacity per unit mass
- Process at constant temperature
- Process at constant pressure
- Absorbs heat from surroundings
- Natural tendency of process to occur
- Ratio of products to reactants at balance
- Energy required to raise temperature
- Energy transfer by force over distance
- Energy available to do work
Down
- Device for measuring heat flow
- Process with no heat exchange
- Speeds up reaction without being used up
- Minimum energy to remove electron
- Study of heat in chemical processes
- Heat absorbed or released during phase change
- Releases heat to surroundings
- SI unit of energy
- Minimum energy required to react
- Total enthalpy change independent of steps
25 Clues: SI unit of energy • Process at constant volume • Heat capacity per unit mass • Energy available to do work • Process at constant pressure • Process with no heat exchange • Heat needed to melt substance • Releases heat to surroundings • Device for measuring heat flow • Absorbs heat from surroundings • Process at constant temperature • Minimum energy required to react • ...
Chemical Reactions 2025-03-18
Across
- Reaction where an element replaces another in a compound.
- Reaction where reactants join to form one product.
- Table used to identify precipitation reactions.
- Ensuring equal atoms on both sides of an equation.
Down
- Reaction where a single reactant breaks into products.
- Reaction forming an insoluble compound from two solutions.
- Series used to predict displacement reactions.
- Substances formed as a result of a reaction.
- Substances that start a chemical reaction.
- Representation of a chemical reaction using words.
10 Clues: Substances that start a chemical reaction. • Substances formed as a result of a reaction. • Series used to predict displacement reactions. • Table used to identify precipitation reactions. • Reaction where reactants join to form one product. • Representation of a chemical reaction using words. • Ensuring equal atoms on both sides of an equation. • ...
