chemical reaction Crossword Puzzles
Efrain - Chemistry 2019-10-17
Across
- substance that is formed as the result of a chemical reaction
- mass- mass of one atom
- property-a substance that is observed when its in a chemical reaction
- A thing that is composed into two or separate elements
- a wide glass container with a flat bottom and an edge for pouring, used in science laboratories
- of definite properties-Chemicals combining in specific amounts
- A substance that can be in solid form from a solution
- rope-one of many forms of a chemical element, for example, coal and graphite
- reactants are the starting materials in a chemical reaction
- a solution is a homogeneous mixture of two or more substances
Down
- Is the particle in the atomic nucleus with a mass
- property-Material does not change
- Mixture that is the same
- Famous for making the periodic table
- A part or aspect of something abstract
- a stable subatomic particle with a charge of negative electricity
- basic -building blocks of ordinary matter
- a stable subatomic particle occurring in all atomic nuclei
- Table-A table of the chemical elements arranged in order of atomic number
19 Clues: mass- mass of one atom • Mixture that is the same • property-Material does not change • Famous for making the periodic table • A part or aspect of something abstract • basic -building blocks of ordinary matter • Is the particle in the atomic nucleus with a mass • A substance that can be in solid form from a solution • A thing that is composed into two or separate elements • ...
Unit 6 Chemical Reaction 2022-04-29
Across
- process that involves rearrangement of the molecular or ionic structure of a substance.
- reactant that determines the amount of product formed (i.e. reactant that gets used up first).
- reaction in which two aqueous compounds, react to form a solid.
- Reaction in which electrons are transferred between compounds.
- loss of electrons.
- gain of electrons.
- a substance that is formed as the result of a chemical reaction. These are located to the right side of the yield sign.
- One reactant breaks down into to or more products.
Down
- reaction in which a compound reacts with oxygen gas to form water and carbon dioxide.
- reaction in which an acid reacts with a base to form water and a salt.
- the solid that is formed in the products of a precipitation reaction.
- ratio between the amounts in moles of any two compounds from a given reaction.
- reaction in which 2 compounds, combine to form 1 product.
- Substance that enters into and is altered in the course of a chemical reaction. Found on the left side of the yield sign.
- reactant in a chemical reaction with a greater amount than necessary, meaning it is not completely consumed.
- substance that has been dissolved in water.
16 Clues: loss of electrons. • gain of electrons. • substance that has been dissolved in water. • One reactant breaks down into to or more products. • reaction in which 2 compounds, combine to form 1 product. • Reaction in which electrons are transferred between compounds. • reaction in which two aqueous compounds, react to form a solid. • ...
Unit 10 Crossword 2021-05-06
Across
- In an endothermic reaction, these have higher energy
- The type of energy that the sun radiates
- A law of science that says that energy cannot be created or destroyed
- This process is the first step of any chemical reaction and requires energy
- The unit of energy
- The type of energy commonly referred to as heat
- On an energy diagram, the amount of energy needed to break the bonds of the reactants
- A reaction that absorbs heat from its surroundings
- A reaction that releases heat to its surroundings
Down
- Stored Energy
- The type of energy that has to do with vibration of air molecules
- In an exothermic reaction, these have higher energy
- The type of energy that is associated with electrons flowing through a wire
- Energy that is stored inside chemical bonds
- This process is the second step of any chemical reaction and releases energy
- Energy that is stored inside the nucleus of an atom
- The energy of motion
17 Clues: Stored Energy • The unit of energy • The energy of motion • The type of energy that the sun radiates • Energy that is stored inside chemical bonds • The type of energy commonly referred to as heat • A reaction that releases heat to its surroundings • A reaction that absorbs heat from its surroundings • In an exothermic reaction, these have higher energy • ...
CR + P 2022-11-04
Across
- a light absorbing pigment, reflects green
- what reacts in a chemical reaction
- sugar
- how heterotrophs make get their energy.
- a pore in plants that control the gas exchange.
- where photosynthesis takes place
- atomic number eight on the periodic table
Down
- a reaction irreversible by physical means.
- the powerhouse of the cell
- energy as a result of electromagnetic radiation
- the process in which autotrophs make their food.
- what is produced by a chemical reaction
- an organism that cannot make its own food.
- Adenosine 5β²-triphosphate (energy)
- A compound of one Carbon and two oxygen atoms
- an organism that makes itβs own food, self sufficient.
16 Clues: sugar • the powerhouse of the cell • where photosynthesis takes place • what reacts in a chemical reaction • Adenosine 5β²-triphosphate (energy) • what is produced by a chemical reaction • how heterotrophs make get their energy. • a light absorbing pigment, reflects green • atomic number eight on the periodic table • a reaction irreversible by physical means. • ...
ur mom - miranda reyes 2021-10-25
Across
- a chemical reaction in which one element replaces another in a compound
- reactions that occur when two different atoms or molecules interact to form a different molecule or compound
- a representation of a chemical reaction using symbols of the elements to indicate the amount of substance, usually in moles, of each reactant and product
- occur when parts of two ionic compounds are exchanged, making two new compounds
- a substance that is present at the end of a chemical reaction.
- a character, usually a letter or number, that's printed slightly below and to the side of another character
- a substance that enters into and is altered in the course of a chemical reaction.
Down
- states that in a chemical reaction mass is neither created nor destroyed.
- a chemical reaction between substances, usually including oxygen and usually accompanied by the generation of heat and light in the form of flame
- a constant term related to the properties of a product.
- a reaction in which a compound breaks down into two or more simpler substances.
- identifies each constituent element by its chemical symbol and indicates the proportionate number of atoms of each element.
- an arrow that is placed after the reactant or reactants
13 Clues: a constant term related to the properties of a product. • an arrow that is placed after the reactant or reactants • a substance that is present at the end of a chemical reaction. • a chemical reaction in which one element replaces another in a compound • states that in a chemical reaction mass is neither created nor destroyed. • ...
Chemistry Unit 2016-02-10
Across
- any combination of two or more elements
- the mass of the products in a chemical reaction must equal the mass of the reactants
- below the element symbol
- absorbs energy
- path taken by electrons
- energy released as heat
- example:Hydrogen
- example:Calcium
- example:Boron
- positive part in the nucleus
- 2,8,8,2
- the middle of an atom
- elements from top to bottom
Down
- what was put into a chemical reaction
- any combination of elements
- creator of Peroidic Table
- number of electrons
- farthest electron from the middle
- what represents an atom
- makes everything
- example:Helium
- elements from left to right
- formed by a chemical reaction
- makes up the Periodic Table
- neutral part in the nucleus
- fast and slow______.
26 Clues: 2,8,8,2 • example:Boron • absorbs energy • example:Helium • example:Calcium • makes everything • example:Hydrogen • number of electrons • fast and slow______. • the middle of an atom • what represents an atom • path taken by electrons • energy released as heat • below the element symbol • creator of Peroidic Table • any combination of elements • elements from left to right • ...
Noah Seger Unit 2 2025-03-21
Across
- cell membrane that allow substrates to flow
- movment of molucues from high constration to low constraition
- the movement of water molecules
- movement of cells moving
- something made of cells
- region where an enzyme binds
- structure for living organisms
- a group of cells to perform a function
- to function in the cell
- is a liquid that manages the compont of cell membrane
- mouluces that are formed in a chemical reaction
Down
- triggering a bioligical process
- water-lovinger
- where a protien loses its shape
- biomolecule that speeds up a chemical reaction
- when enyzme acts in a chemical reaction
- cells that move without energy
- a group of differnt organs
- two atoms bonded together
- is the basic unit of matter
- water fearing
- composed of different tissue
22 Clues: water fearing • water-lovinger • something made of cells • to function in the cell • movement of cells moving • two atoms bonded together • a group of differnt organs • is the basic unit of matter • region where an enzyme binds • composed of different tissue • cells that move without energy • structure for living organisms • triggering a bioligical process • ...
Crossword 2014-08-19
Across
- A mixture of finely powdered aluminium and iron oxide that produces a very high temperature on combustion, used in welding and for incendiary bombs.
- Two or more reactants combine to form a single product.
- A chemical reaction where two reactant ionic compounds exchange ions to form two new product compounds with the same ions.
- A reaction in which soluble ions in separate solutions are mixed together to form an insoluble compound that settles out of solution as a solid.
- A relation stating that in a chemical reaction, the mass of the products equals the mass of the reactants.
- A chemical reaction expressed in words rather than chemical formulas.
- Interaction of two or more chemicals that produces one or more new chemical compounds, or alters the properties of the mixed chemicals.
Down
- The separation of a chemical compound into elements or simpler compounds
- A substance that takes part in and undergoes change during a reaction.
- Type of reaction where part of one reactant is replaced by another reactant.
- A substance that is formed as the result of a chemical reaction
- A red-brown metal, the chemical element of atomic number 29.
- A substance which has a molecular structure built up almost or completely from a large number of similar units bonded together
13 Clues: Two or more reactants combine to form a single product. • A red-brown metal, the chemical element of atomic number 29. • A substance that is formed as the result of a chemical reaction • A chemical reaction expressed in words rather than chemical formulas. • A substance that takes part in and undergoes change during a reaction. • ...
METALS AND ACIDS 2024-05-14
Across
- This change can indicate a chemical reaction has occurred
- This metal is essential for healthy teeth and bones
- This gas is produced when metals are added to acids
- This is a group one metal that burns with a lilac flame in water
- This acid produces nitrates when added to metals
- This salt is produced when sulfuric acid is added to metals
- These can be produced when a chemical reaction takes place
Down
- This acid produces chloride salts when added to metals
- This has a pH of between 0 and 7
- This metal burns with an intense bright white light
- This change can happen if a chemical reaction has happened
- This form of energy can be released when a chemical reaction takes place
- This metal is found in table salt
- This can be emitted when a chemical reaction takes place
14 Clues: This has a pH of between 0 and 7 • This metal is found in table salt • This acid produces nitrates when added to metals • This metal is essential for healthy teeth and bones • This metal burns with an intense bright white light • This gas is produced when metals are added to acids • This acid produces chloride salts when added to metals • ...
Chemistry Crackers! 2025-06-16
Across
- A solid that forms from a solution during a chemical reaction
- Substance that speeds up a reaction without being used up
- A reaction where a more reactive element replaces a less reactive one
- Loss of electrons during a reaction
Down
- A reaction that releases heat
- Substances formed as a result of a chemical reaction
- Gain of electrons during a reaction
- A reaction that absorbs heat
- Substances that start a chemical reaction
- A symbolic representation of a chemical reaction
10 Clues: A reaction that absorbs heat • A reaction that releases heat • Gain of electrons during a reaction • Loss of electrons during a reaction • Substances that start a chemical reaction • A symbolic representation of a chemical reaction • Substances formed as a result of a chemical reaction • Substance that speeds up a reaction without being used up • ...
Chapter 13 Crossword By: Jacob Blanchard 2017-10-11
Across
- A chemical that donates a hydrogenion, H+.
- When two atoms are displaced in a formula
- Any substance that increases the rate of a chemical reaction
- A measure of the acidity of a solution
- The amount of energy required to pull 2 bonded atoms apart
Down
- When one atom is displaced in a formula
- The minimum amount of energy required in order for a chemical reaction to proceed
- A chemical reaction when there is a net release of energy
- Reaction where oxides are formed
- A chemical reaction where there is a net absorption of energy
- The new materials formed in a chemical reaction
11 Clues: Reaction where oxides are formed • A measure of the acidity of a solution • When one atom is displaced in a formula • When two atoms are displaced in a formula • A chemical that donates a hydrogenion, H+. • The new materials formed in a chemical reaction • A chemical reaction when there is a net release of energy • ...
Unit 9 π₯ Reactions β’οΈ 2024-05-28
Across
- - radioactive decay by emission of an alpha particle - 4/2 He
- - radioactive decay by emission of a gamma ray - 0/0 y
- - a chemical reaction in which two or more substances react to yield a single product
- - increases the hydroxide ion concentration in a solution (ends with OH)
- - a substance or molecule that participates in a chemical reaction; on the left side
- - a solid that forms and settles out of a liquid mixture
- - a nuclear reaction in which a heavy nucleus splits with the release of energy
- - a substance or molecule that is formed during a chemical reaction; on the right side
- - a chemical change in which a single compound is broken down into two or more simpler products
- - acid and base combine to form salt and water
Down
- - radioactive decay in which an electron is emitted - 0/-1 e
- - a chemical reaction that involves a substance rapidly combining with oxygen to form one or more oxides
- - law of __________ of mass states that mass cannot be created or destroyed
- - increases the hydrogen ion concentration of a solution (begins with H)
- - the amount of time it takes for one half of unstable nuclei to become stable
- - _______-displacement - one element takes the place of another element in a compound
- - a nuclear reaction in which 2 nuclei fuse to form a heavier nucleus with the release of energy
- - _______-displacement - ions of two compounds exchange places in an aqueous solution to form two new compounds
18 Clues: - acid and base combine to form salt and water • - radioactive decay by emission of a gamma ray - 0/0 y • - a solid that forms and settles out of a liquid mixture • - radioactive decay in which an electron is emitted - 0/-1 e • - radioactive decay by emission of an alpha particle - 4/2 He • - increases the hydroxide ion concentration in a solution (ends with OH) • ...
Bundle 2 Vocabulary Review 2021-03-22
Across
- The smallest particle of an element; made of protons, neutrons and electrons
- New substances created from 2 or more substances with different chemical and physical properties
- Shorthand notation system using chemical symbols and subscript numbers representing the type of chemical and number of atoms to form the smallest unit of a substance
- A number placed in front of a chemical symbol or formula that represents the the number of molecules
- A solid substance that is formed from a chemical reaction
- A substance produced by a chemical reaction
- Characteristics that can be observed or measured when undergoing a chemical change into a new substance
- Chemical formulas and symbols written to represent chemical reactions
- A single substance, either elements or compounds, with a definite definition and properties
- A characteristic that can be observed without changing the substance
- A substance that takes part in and undergoes a change in chemical reaction
- A measure of the amount of matter in an object
Down
- Scientific law stating that matter/mass can not be created or destroyed; mass of reactants and products must be equal
- Chemical and physical characteristics of a substance that can be observed and used to classify matter
- The process of changing one or more substances into new different substance(s)
- Materials made from natural substances that undergo chemical reactions
- Simplest unit of chemical compounds created from 2 or more atoms joined together
- The method of changing one or more substances
- A number below and to the right of a chemical symbol to represent the number of a specific type of atom present
- To prevent the loss of something
20 Clues: To prevent the loss of something • A substance produced by a chemical reaction • The method of changing one or more substances • A measure of the amount of matter in an object • A solid substance that is formed from a chemical reaction • A characteristic that can be observed without changing the substance • ...
ENDO & EXO Word Puzzle 2023-11-30
Across
- a link between atoms
- a written problem of chemical reactions
- molecules needed to break and repair bonds
- when molecules undergo a molecular rearrangement to produce a physical change
- a change of state from liquid to solid
- Delta H exothermic reaction
- things they start with
- a reaction that changes the physical properties of a substance or molecule
- Endothermic reaction
Down
- the ending thing
- the release of heat
- H Enthalpy change
- Delta H endothermic reaction
- unit of measurement equal to 1,000 joules
- take in heat
- an Endothermic reaction where heat is absorbed
16 Clues: take in heat • the ending thing • the release of heat • a link between atoms • Endothermic reaction • H Enthalpy change • things they start with • Delta H exothermic reaction • Delta H endothermic reaction • a change of state from liquid to solid • a written problem of chemical reactions • unit of measurement equal to 1,000 joules • molecules needed to break and repair bonds • ...
Chemistry Crossword 2024-04-21
Across
- Substances that are formed by a chemical change in a reaction
- The top point of a wave
- An equality statement in fraction form that helps you convert between units
- A shape of molecule where there are 3 electron domains around the central atom
- A type of reaction where a hydrocarbon reacts with oxygen gas to produce carbon dioxide and water vapor
- The distance between two consecutive points on a wave
- The amount of moles in volume of solution
- A shape of molecule where there are 4 electron domains around the central atom
- A region on the central atom of a molecule where electrons are most likely to be found (bonding and nonbonding electrons)
- A type of reaction that involves two ionic compounds where the cations switch places
- The unit of particles for an ionic compound
- A type of chemical reaction in which multiple substances form a single product
- The number of particles present in one mole of substance
- A shape of molecule where there are 3 bonds and 1 lone pair of electrons on the central atom
- A chemical substance that releases H+ ions in aqueous solutions
- A type of chemical reaction that involves a single element and an ionic compound where the single element switches places with the like element in the compound
- A bond formed when electrons are shared between two atoms
- A chemical substance that releases OH- ions in aqueous solutions
- The rate of occurrence of a wave
- The acronym that stands for Valence Shell Electron Pair Repulsion Theory
- A solution in which a solid is dissolved in water
- The geometry of where atoms are in relation to a central atom, only taking into account the bonding electrons
Down
- A solid that forms from a reaction between two aqueous solutions
- A type of electron that participates in bonding
- A number that indicates how many atoms are present in a molecule
- A type of chemical reaction in which a single substance breaks down into multiple substances
- A shape of molecule where there are 2 electron domains around the central atom
- The breakdown of ions in an aqueous solution
- Substances that are destroyed by a chemical change in a reaction
- A chart used to predict the states of matter of compounds
- A bond formed when electrons are transferred from one to another
- The arrangement of electrons in orbitals around the nucleus
- The unit of particles for an element
- A chemical reaction in which an acid and base react with one another to produce water and a salt solution
- The mass of a substance in grams
- A chart used to predict if a single replacement reaction will occur
- Electrons follow these pathways around the nucleus of the atom
- A number that indicates the charge of an ion
- Diagram that shows the valence electrons of an atom
- A number that indicates how many moles of a substance are present in a balanced chemical reaction
- A pair of electrons on the central atom of a molecule that do not participate in bonding
- The height of the wave
- The geometry of where atoms are in relation to a central atom, taking into account both bonds and lone pairs of electrons
- Reducing the number of moles of solute per unit volume of solution
- The bottom point of a wave
- The unit of particles for a covalent compound
46 Clues: The height of the wave • The top point of a wave • The bottom point of a wave • The mass of a substance in grams • The rate of occurrence of a wave • The unit of particles for an element • The amount of moles in volume of solution • The unit of particles for an ionic compound • The breakdown of ions in an aqueous solution • A number that indicates the charge of an ion • ...
Chemical reactions 2018-01-23
Across
- A change of state
- Substances produced by a chemical reaction
- A reaction that releases heat and light
- The side of the arrow products are found on
- When the amount of something remains the same
- What is needed for a thermal decomposition reaction
Down
- This happens to the atoms in a chemical reaction
- The side of the arrow reactants are found on
- Substances shown before the arrow in an equation.
- A reaction were a new substance is formed
- A store of chemical energy
- Another word for heat
12 Clues: A change of state • Another word for heat • A store of chemical energy • A reaction that releases heat and light • A reaction were a new substance is formed • Substances produced by a chemical reaction • The side of the arrow products are found on • The side of the arrow reactants are found on • When the amount of something remains the same • ...
U3 Part 1: Reactions 2021-10-20
Across
- one element is replaced by another
- absorbs heat
- chemical breakdown
- releases heat
- measure of the quantity of moles in a reaction
- exploding
- mass remains the same
- number placed in front of a chemical symbol
- same amount of atoms on both sides
Down
- reactivity from highest to lowest
- two different atoms form a different compound
- solid that dissolves in liquid
- a substance that is present at the end of a chemical reaction
- knowing a product in advance
- when two ions bond together to form an insoluble salt
- two elements are replaced by another
- rearrange of molecular structure
- substance that undergoes change during a reaction
- two atoms
- does not dissolve in liquid
- aq s l g
- amounts in moles of any two compounds
22 Clues: aq s l g • two atoms • exploding • absorbs heat • releases heat • chemical breakdown • mass remains the same • does not dissolve in liquid • knowing a product in advance • solid that dissolves in liquid • rearrange of molecular structure • reactivity from highest to lowest • one element is replaced by another • same amount of atoms on both sides • two elements are replaced by another • ...
Chemistry Revision Crossword By Eli and Jack 2013-09-19
Across
- Chemicals that take part in a reaction
- Chemiclas produced in a chemical reaction
- A substance that releases hydrogen ions into an aqeous solution
- A reaction of a base and acid resulting in a salt and water
- An endothermic reaction that takes place in green plants, uses energy from sunlight to combine carbon dioxide and water to produce glucose and oxygen
- A chemical that changes colour to show wheather a substance is acidic, neutral or basic
- A biological catalyst that speeds up a reaction
Down
- A common indicator that turns red in the presence of an acid and blue in the presence of a base
- A green chemical in the chloroplast of green plants
- A term used to describe materials that store arbon in thei stucture
- A base that dissolves in water
- The term commonly used for sodium chloride, but covers any compound formed by a metal taking the place of a hydrogen atom in an acid
- A scale used to measure the concentration of H+ ions in a solution
- A soltion made of a base/alkali and water
- A chemical reaction in which glucose is broken down, releasing energy for use by the plant or animal
- A simple sugar formed by photosynthesis used in respiration
- Process in which chemicals move, caused by different concentrations of metals
- single celled organisms that live in water
- Rain that has acid such as nitric and sulfuric acid dissolved in it
- A substance that releases OH- ions
20 Clues: A base that dissolves in water • A substance that releases OH- ions • Chemicals that take part in a reaction • Chemiclas produced in a chemical reaction • A soltion made of a base/alkali and water • single celled organisms that live in water • A biological catalyst that speeds up a reaction • A green chemical in the chloroplast of green plants • ...
tanner pollard 2017-10-04
Across
- description of a chemical reaction on which there is a net release of energy
- the new materials formed in a chemical reaction
- an ionic compound commonly formed from the reaction between an acid and a base
- the minimum energy required in order for a chemical reaction to proceed
- the process by which a reactant loses one or more electrons
- the reacting substances in a chemical reaction
Down
- matter is neither created nor destroyed during a chemical reaction
- a rapid exothermic oxidation-reduction reaction between a material and molecular oxygen
- the amount of energy required to pull two bonded atoms apart
- description of a chemical reaction in which there is a net absorption of energy
- a measure of the acidity of a solution; equal to the negative logarithm of the hydronium ion concentration
11 Clues: the reacting substances in a chemical reaction • the new materials formed in a chemical reaction • the process by which a reactant loses one or more electrons • the amount of energy required to pull two bonded atoms apart • matter is neither created nor destroyed during a chemical reaction • the minimum energy required in order for a chemical reaction to proceed • ...
Elements, Mixtures and Compounds 2023-11-18
Across
- yellow metal used to make jewellery
- particle formed when atoms join together
- compound with formula H2O
- unusual metal found in thermometers
- hard, strong material eg. copper
- substance formed when 2 elements bond
- chemical used in a reaction
- chemical formed in a reaction
- describes elements such as helium, oxygen and hydrogen
- the table where elements are listed
Down
- element which we breathe in
- family of similar elements
- non metal used to purify water
- tiny particle which makes up all substances
- row across the Periodic Table
- compound which we breathe out
- simplest chemicals
- side of the Periodic Table where you find metals
- chemical change which makes new materials
- metal element found in food cans
- metal used to make ladders and windows
21 Clues: simplest chemicals • compound with formula H2O • family of similar elements • element which we breathe in • chemical used in a reaction • row across the Periodic Table • compound which we breathe out • chemical formed in a reaction • non metal used to purify water • hard, strong material eg. copper • metal element found in food cans • yellow metal used to make jewellery • ...
ur mom 2021-10-25
Across
- identifies each constituent element by its chemical symbol and indicates the proportionate number of atoms of each element.
- states that in a chemical reaction mass is neither created nor destroyed.
- a chemical reaction in which one element replaces another in a compound
- a character, usually a letter or number, that's printed slightly below and to the side of another character
- a representation of a chemical reaction using symbols of the elements to indicate the amount of substance, usually in moles, of each reactant and product
- a substance that enters into and is altered in the course of a chemical reaction.
Down
- a chemical reaction between substances, usually including oxygen and usually accompanied by the generation of heat and light in the form of flame
- a reaction in which a compound breaks down into two or more simpler substances.
- a substance that is present at the end of a chemical reaction.
- a constant term related to the properties of a product.
- reactions that occur when two different atoms or molecules interact to form a different molecule or compound
- occur when parts of two ionic compounds are exchanged, making two new compounds
- an arrow that is placed after the reactant or reactants
13 Clues: a constant term related to the properties of a product. • an arrow that is placed after the reactant or reactants • a substance that is present at the end of a chemical reaction. • a chemical reaction in which one element replaces another in a compound • states that in a chemical reaction mass is neither created nor destroyed. • ...
Madison Heinze ch.13 2016-10-12
Across
- when you only deal with doubles that are together
- energy the energy that is stored in molecules that can be released during a reaction.
- if changed the equilibrium shifts to oppose change, until new equilibrium is reached
- energy transfers from reactions to surroundings (usually hot)
- increasing of one substance favors the reaction that produces less of that substance
- not having the same numbers on both sides to make something equal
- a substance that undergoes a chemical change.
Down
- increasing favors the reaction that produces less gas
- energy is transferred to reactants from surroundings (usually cold)
- when you only deal with singles that are by themselves
- when reaction and it's reverse act at the same rate
- changes the rate of chemical reactions
- energy forming bonds that releases energy.
- a substance that is the result of the chemical change.
- increasing favors to the reaction that takes in energy
15 Clues: changes the rate of chemical reactions • energy forming bonds that releases energy. • a substance that undergoes a chemical change. • when you only deal with doubles that are together • when reaction and it's reverse act at the same rate • increasing favors the reaction that produces less gas • when you only deal with singles that are by themselves • ...
8th Grade Test Review 2023-11-16
Across
- results when a change takes place that does not change the substances' molecules
- a state of matter where molecules move or flow together
- on the left of a chemical equation, what goes into the reaction
- describes its ability to change into different substances
- can be observed without changing it into another substance
- anything that has mass and takes up space
- ability to be flattened into thin sheets
Down
- study of the properties of matter and how matter changes
- on the right of a chemical equation, what comes out of the reaction
- results when a reaction takes place that changes the substances' molecules
- the amount of mass in a given volume
- when bubble form in a chemical reaction
- ability to undergo a chemical reaction
- the formation of a solid in a solution
- a state of matter where molecules tightly compacted together
15 Clues: the amount of mass in a given volume • ability to undergo a chemical reaction • the formation of a solid in a solution • when bubble form in a chemical reaction • ability to be flattened into thin sheets • anything that has mass and takes up space • a state of matter where molecules move or flow together • study of the properties of matter and how matter changes • ...
Types Of Reactions - Rehan Shibu 10-R 2024-05-05
Across
- This reaction happens when one reactant gets oxidised and other gets reduced during a reaction.
- Special type of decomposition reaction in which the reactant gets decomposed by heat.
- reaction in which two or more substances combine to form a single new substance.
- It is a condition in which aerial oxidation of unsaturated fat present in food gives it an unpleasant flavour and odour.
- An inorganic compound that is made of copper and sulphur and is blue in colour.
- A chemical reaction in which a more reactive element displaces a less reactive element from its compound.
- Special types of decomposition reaction in which the reactant gets decomposed by electricity.
- This reaction happens when a substance loses oxygen during a reaction.
- chemical reactions in which the reactants absorb heat energy from the surroundings to form products.
Down
- This reaction is also called as precipitation reaction.
- This is a type of reaction where a single reactant breaks down to give simpler products.
- This is a type of decomposition reaction where a reactant is broken down to simpler products in the presence of light.
- Reactions in which heat is released along with the formation of products.
- the insoluble solid which settles down after the completion of the chemical reaction.
- this is a process in which metals are eaten up gradually by the action of air, moisture and chemicals on their surfaces.
- Any reaction that produces a precipitate.
- This reaction is defined as the addition of an oxygen element or the removal of a hydrogen element to a substance.
17 Clues: Any reaction that produces a precipitate. • This reaction is also called as precipitation reaction. • This reaction happens when a substance loses oxygen during a reaction. • Reactions in which heat is released along with the formation of products. • An inorganic compound that is made of copper and sulphur and is blue in colour. • ...
Xavier Marquez's Chemistry Crossword 2017-02-27
Across
- A group of two or more atoms covalently bonded together
- A numerical measure of a physical or chemical property
- When a single atoms replaces another element in a compound
- Compound A compound that contains exactly two different elements
- A new type of material through chemical reactions
- When a compound steals electrons from other atoms or compounds
- when a chemical species decreases its oxidation number
- When the chemical has a rapid combination with Oxygen
- Product of chemical compounds
- The amount of product obtained in a chemical reaction
Down
- A substance that goes through change but does not change permanently
- When two reactants switch places, forming two new compounds
- When a liquid forms a solid
- A substance that undergoes change
- Breakdown of a chemical compound
- Chemical decomposition produced by passing an electric current
- Containing water, typically as a solvent or medium.
- Equation The visual representation of a chemical reaction
- Only consists of 2 atoms
19 Clues: Only consists of 2 atoms • When a liquid forms a solid • Product of chemical compounds • Breakdown of a chemical compound • A substance that undergoes change • A new type of material through chemical reactions • Containing water, typically as a solvent or medium. • When the chemical has a rapid combination with Oxygen • ...
Final Exam Review 2014-05-12
Across
- oxygen combines with a substance and releases energy in the form of heat and light.
- the study of quantitative relationships between the amounts of reactants used and products formed by a chemical reaction.
- starting substances
- is the SI base unit used to measure the amount of a substance.
- states that the volume of a given amount of a gas held at constant temperature varies inversely with the pressure.
- referred to as ideal gas constant.
- process by which the atoms of one or more substances are rearranged to form different substances.
- a ratio between the numbers of moles of any two substances in a balanced equation.
- the mass in grams of one mole of any pure substance.
- a solid produced during a chemical reaction in a solution.
Down
- left over reactants
- is a statement that uses chemical formulas to show the identities and relative amounts of the substances involved in a chemical reaction.
- is one in which a single compound breaks down into two or more elements or new compounds.
- a chemical reaction in which two or more substances react to produce a single product.
- 6.02 x 1023
- states that the volume of a given mass of a gas is directly proportional to its kelvin temperature.
- a formula that shows the smallest whole-number ratio of the elements of a compound, and may or may not be the same as the actual molecular formula.
- the substance dissolved in a solution.
- a substance dissolved in a solution.
- specifies the actual number of atoms of each element in one molecule or formula unit of the substance.
- limits the extent of the reaction and, thereby, determines the amount of product.
- which are the substances formed during the reaction.
22 Clues: 6.02 x 1023 • left over reactants • starting substances • referred to as ideal gas constant. • a substance dissolved in a solution. • the substance dissolved in a solution. • the mass in grams of one mole of any pure substance. • which are the substances formed during the reaction. • a solid produced during a chemical reaction in a solution. • ...
chemistry vocabulary 2025-04-28
Across
- releases heat
- the smallest unit of chemistry
- change no chemical changes
- connection between 2 surfaces
- something that cant be broken down any more
- undergoes change in a reaction
- property the reactiveness of a thing
- the quality of being hot
- the ability to work
- absorbs heat
- change when 1 substance turns into 2 or more substances
- 2 or more elements combined
- the amount of matter
- a branch of science dealing with substances
Down
- a substance that increases chemical reaction
- the result of an action or process
- forming as a whole
- the amount something holds
- a group of atoms bonded together
- can be weighed takes up space
- the response to a situation
- property observable characteristic
- how hot or cold a thing is
- a substance made from mixing 2 or more thing together
24 Clues: absorbs heat • releases heat • forming as a whole • the ability to work • the amount of matter • the quality of being hot • the amount something holds • how hot or cold a thing is • change no chemical changes • the response to a situation • 2 or more elements combined • connection between 2 surfaces • can be weighed takes up space • the smallest unit of chemistry • ...
Science vocabulary 2013-12-13
Across
- mass cannot be created of destroyed
- a substance that is formed in a chemical reaction
- speeds up a chemical reaction
- when heat is released
- makes a new substance with new properties
Down
- a process in which one or more substances are transformed into others
- slows down a chemical reaction
- are the biological substances that act as catalysts and help complex reactions occur everywhere in life
- a symbolic representation of a chemical reaction
- when heat is absorbed
- a substance that takes part in a chemical reaction
11 Clues: when heat is absorbed • when heat is released • speeds up a chemical reaction • slows down a chemical reaction • mass cannot be created of destroyed • makes a new substance with new properties • a symbolic representation of a chemical reaction • a substance that is formed in a chemical reaction • a substance that takes part in a chemical reaction • ...
Science vocabulary 2013-12-13
Across
- mass cannot be created of destroyed
- a substance that is formed in a chemical reaction
- when heat is released
- are the biological substances that act as catalysts and help complex reactions occur everywhere in life
- a process in which one or more substances are transformed into others
- a symbolic representation of a chemical reaction
- slows down a chemical reaction
Down
- makes a new substance with new properties
- a substance that takes part in a chemical reaction
- speeds up a chemical reaction
- when heat is absorbed
11 Clues: when heat is absorbed • when heat is released • speeds up a chemical reaction • slows down a chemical reaction • mass cannot be created of destroyed • makes a new substance with new properties • a symbolic representation of a chemical reaction • a substance that is formed in a chemical reaction • a substance that takes part in a chemical reaction • ...
Science vocabulary Chemistry 2017-11-14
Across
- pure substance formed when at least one metal and one non-metal combine.
- new substance produced in a chemical reaction.
- amount of mass in a given volume of a substance.
- Mass of one atom of an element calculated from the total number of protons,neutrons, and electrons of that atom
- a chemical reaction that absorbs energy.
- homogeneous mixture; mixture of two or more pure substances that look like one substance.
- Invisible negatively charged particle that orbits the nucleus of an atom.
- table in which the elements are organized by their physical and chemical properties.
- cloudy mixture in which tiny particles of one substance are held within another, and the particles can be separated out.
- pure substance that cannot be broken down into other substances; substance made up of only one type of atom
- an experiment in which one or more products of a chemical reaction can escape.
Down
- chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy.
- how easily a substance can be stretched into wire.
- element that has both metallic and nonmetallic properties.
- neutral particle in the nucleus of an atom.
- principle that matter is not created or destroyed in a chemical reaction; the mass of the products always equals the mass of the reactants
- chemical combination of two or more elements in a specific ratio
- Measure of atomic mass.
- description of how a substance interacts with other substances, such as acids;chemical properties are observable only when achemical change occurs
- change that results when two or more substances react to create a different substance.
- change of state from solid to liquid.
- Group 1 elements in the periodic table, not including hydrogen.
- brittle element that does not conduct electricity.
- substance that helps a chemical reaction to proceed more quickly.
- group 18 elements in the periodic table; the most stable and unreactive elements.
- atom that has become electrically charged because it has lost or gained electrons; a positive ion is an atom that has lost one or more electrons;a negative ion is an atom that has gained one or more electrons
26 Clues: Measure of atomic mass. • change of state from solid to liquid. • a chemical reaction that absorbs energy. • neutral particle in the nucleus of an atom. • new substance produced in a chemical reaction. • amount of mass in a given volume of a substance. • how easily a substance can be stretched into wire. • brittle element that does not conduct electricity. • ...
Final Exam Review 1 2014-05-12
Across
- oxygen combines with a substance and releases energy in the form of heat and light.
- specifies the actual number of atoms of each element in one molecule or formula unit of the substance.
- referred to as ideal gas constant.
- a chemical reaction in which two or more substances react to produce a single product.
- a formula that shows the smallest whole-number ratio of the elements of a compound, and may or may not be the same as the actual molecular formula.
- is a statement that uses chemical formulas to show the identities and relative amounts of the substances involved in a chemical reaction.
- the study of quantitative relationships between the amounts of reactants used and products formed by a chemical reaction.
- which are the substances formed during the reaction.
Down
- process by which the atoms of one or more substances are rearranged to form different substances.
- is one in which a single compound breaks down into two or more elements or new compounds.
- left over reactants
- the mass in grams of one mole of any pure substance.
- states that the volume of a given amount of a gas held at constant temperature varies inversely with the pressure.
- starting substances
- the substance dissolved in a solution.
- states that the volume of a given mass of a gas is directly proportional to its kelvin temperature.
- is the SI base unit used to measure the amount of a substance.
- limits the extent of the reaction and, thereby, determines the amount of product.
- a solid produced during a chemical reaction in a solution.
- a ratio between the numbers of moles of any two substances in a balanced equation.
- 6.02 x 1023
- a substance dissolved in a solution.
22 Clues: 6.02 x 1023 • left over reactants • starting substances • referred to as ideal gas constant. • a substance dissolved in a solution. • the substance dissolved in a solution. • the mass in grams of one mole of any pure substance. • which are the substances formed during the reaction. • a solid produced during a chemical reaction in a solution. • ...
Final Exam Review 1 2014-05-12
Across
- oxygen combines with a substance and releases energy in the form of heat and light.
- specifies the actual number of atoms of each element in one molecule or formula unit of the substance.
- referred to as ideal gas constant.
- a chemical reaction in which two or more substances react to produce a single product.
- a formula that shows the smallest whole-number ratio of the elements of a compound, and may or may not be the same as the actual molecular formula.
- is a statement that uses chemical formulas to show the identities and relative amounts of the substances involved in a chemical reaction.
- the study of quantitative relationships between the amounts of reactants used and products formed by a chemical reaction.
- which are the substances formed during the reaction.
Down
- process by which the atoms of one or more substances are rearranged to form different substances.
- is one in which a single compound breaks down into two or more elements or new compounds.
- left over reactants
- the mass in grams of one mole of any pure substance.
- states that the volume of a given amount of a gas held at constant temperature varies inversely with the pressure.
- starting substances
- the substance dissolved in a solution.
- states that the volume of a given mass of a gas is directly proportional to its kelvin temperature.
- is the SI base unit used to measure the amount of a substance.
- limits the extent of the reaction and, thereby, determines the amount of product.
- a solid produced during a chemical reaction in a solution.
- a ratio between the numbers of moles of any two substances in a balanced equation.
- 6.02 x 1023
- a substance dissolved in a solution.
22 Clues: 6.02 x 1023 • left over reactants • starting substances • referred to as ideal gas constant. • a substance dissolved in a solution. • the substance dissolved in a solution. • the mass in grams of one mole of any pure substance. • which are the substances formed during the reaction. • a solid produced during a chemical reaction in a solution. • ...
9-12.P.1.4 2014-01-30
Across
- a chemical reaction in which two or more substances combine to forrm a different substance
- a chemical reaction in which a substance breaks down into two or more simpler substances
- new substances formed as a result of a chemical reaction
- matter that is a combination of atoms of two or more elements
- a neutral group of atoms that are joined together by one or more covalent bonds
- in a chemical equation, a number to the left of each reactant and product that shows the relative amount of each substance involved in the reaction
- a chemical reaction in which the positive ions in two or more substances trade places
Down
- a chemical reaction in which one element replaces another element in a compound
- rapid oxidation, or burning
- in a chemical reaction, the substance you start with before the reaction
- an amount of a substance that contains approximately 6.02 X 10^23 particles of the substance
11 Clues: rapid oxidation, or burning • new substances formed as a result of a chemical reaction • matter that is a combination of atoms of two or more elements • in a chemical reaction, the substance you start with before the reaction • a chemical reaction in which one element replaces another element in a compound • ...
Chemistry Bonus 2024-05-01
Across
- what goes into a chemical reaction
- force of attraction or repulsion
- mixture of two or more substances
- group with the highest ionization energy
- conversion of an element into an oxide
- converting units to another unit
- formed by gain or loss of electrons
- the most important digits in a number
- pure substance containing the same number of chemical units
- result of a chemical reaction
- state of being exact
Down
- table that organizes elements
- atoms ability to attract shared electrons
- liquid turns into a solid
- substance of two or more chemical elements
- smallest unit of life
- liquid turns into a gas
- gives off heat
- state of being correct
- absorbs heat
20 Clues: absorbs heat • gives off heat • state of being exact • smallest unit of life • state of being correct • liquid turns into a gas • liquid turns into a solid • table that organizes elements • result of a chemical reaction • force of attraction or repulsion • converting units to another unit • mixture of two or more substances • what goes into a chemical reaction • ...
Crossword Unit B Enzo & Audrey 2018-11-12
Across
- a new substance produced in a chemical reaction between reactants
- Most reactive especially in air and water
- A substance that can be pounded or rolled into sheets
- Are characteristics that can be used to describe a substance
- Examples include reaction with acids, ability to burn and reaction with air
- is a chemical reaction that takes place in the cells in your body.
- Often liquid or gas at room temperature, not shiny, are not ductile or malleable
- a substance that reacts with another substance or in a chemical reaction to create a new substance with different properties or products
- Can be in between metals and non metals
- Gas turning into a solid is called _______
Down
- The most stable and unreactive
- Any solid that can be stretched into a long wire
- an atom or a group of atoms that has become electrically charged because it has lost or gained electrons.
- a change in colour, odour, formation of a solid or a gas and release or absorption of energy (heat)
- React to air and water, less reactive than alkali metals
- when non-metals combine, they produce a pure substance
- is a chemical reaction that occurs when oxygen reacts with a substance to form a new substance and gives off energy
- Examples include melting and freezing
- The average mass of an element in atomic mass units (amu)
- is a slow chemical change that occurs when oxygen in the air reacts with a metal.
- takes place when two or more substances combine to form new substances
- Examples include colour and lustre
- Most reactive non metals
- Solid at room temperature, malleable, have conductivity
- Pure substances formed as a result of the attraction between particles of opposite charges called ions
25 Clues: Most reactive non metals • The most stable and unreactive • Examples include colour and lustre • Examples include melting and freezing • Can be in between metals and non metals • Most reactive especially in air and water • Gas turning into a solid is called _______ • Any solid that can be stretched into a long wire • A substance that can be pounded or rolled into sheets • ...
Crossword 2024-04-28
Across
- ________ rate is dependent on several factors, namely, nature of reactants, temperature, and concentration.
- An ________ reaction is characterized by a negative βU.
- Complex molecules made up of long chains of amino acids which are compounds of carbon, hydrogen, oxygen, and nitrogen.
- ________ is the study of the energy changes that accompany all processes, whether chemical or physical.
- The ________ theory explains the effects of temperature and concentration on reaction rate.
- Energy required to raise the temperature of one gram of a substance by one degree Celsius is referred to as its heat capacity.
- It is the total heat absorbed in a process at constant pressure if only pressure-volume work is done.
- Amount of thermal energy in a system per unit temperature that cannot be used for useful effort.
- The setup used to determine energy change during a reaction.
- Hormone that moves glucose from the blood stream into the cells.
Down
- A polysaccharide that does not provide the body with energy or nutrients.
- ________ is the enthalpy shift that occurs when one mole of a chemical is produced from its standard state constituents.
- Increase in ________ increases reaction rates.
- A ________ equation is a statement of the chemical change and the energy change that accompanies the change.
- Chemical and physical changes that occur with the absorption of energy are ________ processes.
- Substances that change the speed of a reaction without causing permanent changes.
- The study of energy alterations that coincide with matter's chemical reactions.
- Time required to decrease the reactant concentration to one-half of the initial value.
- The symbol w represents the ________ performed by the system or on the system.
- A substance's constant volume heat capacity is also known as its ______ heat capacity.
20 Clues: Increase in ________ increases reaction rates. • An ________ reaction is characterized by a negative βU. • The setup used to determine energy change during a reaction. • Hormone that moves glucose from the blood stream into the cells. • A polysaccharide that does not provide the body with energy or nutrients. • ...
Crossword 2024-04-28
Across
- Complex molecules made up of long chains of amino acids which are compounds of carbon, hydrogen, oxygen, and nitrogen.
- ________ rate is dependent on several factors, namely, nature of reactants, temperature, and concentration.
- A polysaccharide that does not provide the body with energy or nutrients.
- Hormone that moves glucose from the blood stream into the cells.
- It is the total heat absorbed in a process at constant pressure if only pressure-volume work is done.
- The symbol w represents the ________ performed by the system or on the system.
- A ________ equation is a statement of the chemical change and the energy change that accompanies the change.
- ________ is the enthalpy shift that occurs when one mole of a chemical is produced from its standard state constituents.
- A substance's constant volume heat capacity is also known as its ______ heat capacity.
- The study of energy alterations that coincide with matter's chemical reactions.
Down
- Energy required to raise the temperature of one gram of a substance by one degree Celsius is referred to as its heat capacity.
- Increase in ________ increases reaction rates.
- Time required to decrease the reactant concentration to one-half of the initial value.
- An ________ reaction is characterized by a negative βU.
- ________ is the study of the energy changes that accompany all processes, whether chemical or physical.
- The ________ theory explains the effects of temperature and concentration on reaction rate.
- The setup used to determine energy change during a reaction.
- Substances that change the speed of a reaction without causing permanent changes.
- Chemical and physical changes that occur with the absorption of energy are ________ processes.
- Amount of thermal energy in a system per unit temperature that cannot be used for practical work.
20 Clues: Increase in ________ increases reaction rates. • An ________ reaction is characterized by a negative βU. • The setup used to determine energy change during a reaction. • Hormone that moves glucose from the blood stream into the cells. • A polysaccharide that does not provide the body with energy or nutrients. • ...
chapter 2 2014-11-18
Across
- a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.
- a substance produced by a living organism that acts as a catalyst to bring about a specific biochemical reaction.
- The hydronium cation, also known as hydroxonium is the positively charged polyatomic ion with the chemical formula H 3O+ . Hydronium, a type of oxonium ion, is formed by the protonation of water.
- a part or aspect of something abstract, especially one that is essential or characteristic.
- Oxidation-reduction reactions (or redox) reactions, are a type of chemical reaction that involves a transfer of electrons between two species. An oxidation-reduction reaction is any chemical reaction in which the oxidation number of a molecule, atom, or ion changes by gaining or losing an e -.
- having the properties of an alkali, or containing alkali; having a pH greater than 7.
- having assets in excess of liabilities; able to pay one's debts.
- the lowest part or edge of something, especially the part on which it rests or is supported.
- the minimum quantity of energy that the reacting species must possess in order to undergo a specified reaction.
- a thermodynamic quantity equivalent to the capacity of a system to do work.
- a process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form or a nuclear reaction.
- the particular condition that someone or something is in at a specific time.
- the central and most important part of an object, movement, or group, forming the basis for its activity and growth.
Down
- A covalent bond is a chemical bond that involves the sharing of electron pairs between atoms. The stable balance of attractive and repulsive forces between atoms when they share electrons is known as covalent bonding.
- An endergonic reaction (such as photosynthesis) is a reaction that requires energy to be driven. The activation energy for the reaction is typically larger than the overall energy of the exergonic reaction(1).
- the minor component in a solution, dissolved in the solvent.
- a coherent, typically large body of matter with no definite shape.
- the number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table.
- the action or power of focusing one's attention or mental effort.
- a product is something "manufactured" by an enzyme from its substrate
- an atom or molecule with a net electric charge due to the loss or gain of one or more electrons.
- A pH scale is a measure of how acidic or basic a substance is. While the pH scale formally measures the activity of hydrogen ions in a substance or solution, it is typically approximated as the concentration of hydrogen ions.
22 Clues: the minor component in a solution, dissolved in the solvent. • having assets in excess of liabilities; able to pay one's debts. • the action or power of focusing one's attention or mental effort. • a coherent, typically large body of matter with no definite shape. • a product is something "manufactured" by an enzyme from its substrate • ...
Conservation of Mass 2025-10-27
Across
- A substance made of two or more elements that are chemically combined.
- The small number written after an elementβs symbol that shows how many atoms of that element are in a molecule.
- The amount of matter in a substance, usually measured in grams (g).
- A chemical reaction in plants that uses sunlight to turn carbon dioxide and water into glucose and oxygen.
- A shorthand way to show what happens in a chemical reaction using symbols and formulas.
- The large number in front of a chemical formula that shows how many molecules are involved.
- A one- or two-letter abbreviation for an element.
- - An equation where the number of each type of atom on both sides is the same, showing mass is conserved.
Down
- Matter cannot be created or destroyed in a chemical reaction β it only changes form.
- During a reaction, bonds break and new bonds form, but the atoms themselves are not created or destroyed β only rearranged.
- A process in which atoms are rearranged to form one or more new substances.
- A chart that organizes all known elements by their atomic number, symbol, and properties.
- The starting substances in a chemical reaction β found on the left side of a chemical equation.
- The new substances formed β found on the right side of a chemical equation.
- Number The number of protons in an atomβs nucleus.
- The smallest unit of matter that still has the properties of an element.
- Two or more atoms bonded together.
- A pure substance made of only one kind of atom.
18 Clues: Two or more atoms bonded together. • A pure substance made of only one kind of atom. • A one- or two-letter abbreviation for an element. • Number The number of protons in an atomβs nucleus. • The amount of matter in a substance, usually measured in grams (g). • A substance made of two or more elements that are chemically combined. • ...
BASIC CHEMISTRY 2024-09-11
Across
- Reaction: A type of chemical reaction where elements from different compounds exchange places. (Page XX)
- Triphosphate (ATP): The primary energy carrier in cells, providing energy for various cellular processes. (Page XX)
- The simplest form of carbohydrates, consisting of single sugar molecules such as glucose and fructose. (Page XX)
- A substance composed of two or more elements chemically bonded together. (Page XX)
- The smallest unit of matter that retains the properties of an element. (Page XX)
- A lipid with a hydrophilic head and two hydrophobic tails, making it a major component of cell membranes. (Page XX)
- A chemical reaction where a compound is broken down by the addition of water. (Page XX)
- The substance upon which an enzyme acts. (Page XX)
- Organic compounds consisting of carbon, hydrogen, and oxygen, typically in a ratio of 1:2:1, used for energy and structural purposes. (Page XX)
- Molecule: A molecule containing carbon-hydrogen bonds, typically found in living organisms. (Page XX)
- Bond: A type of chemical bond where atoms share pairs of electrons. (Page XX)
- The substances produced as a result of a chemical reaction. (Page XX)
- Reaction: A process in which substances (reactants) are transformed into different substances (products). (Page XX)
- An atom or molecule with a net electric charge due to the loss or gain of one or more electrons. (Page XX)
- The starting materials in a chemical reaction. (Page XX)
- A substance that increases the concentration of hydrogen ions (H+) in a solution. (Page XX)
- Molecule: Molecules that do not primarily consist of carbon-hydrogen bonds. (Page XX)
- A macromolecule made up of amino acids, crucial for structure, function, and regulation of the body's tissues and organs. (Page XX)
- Bond: A weak bond between a hydrogen atom and an electronegative atom, such as oxygen or nitrogen. (Page XX)
- Site: The region on an enzyme where the substrate binds and the reaction takes place. (Page XX)
- Reaction: A chemical reaction involving the transfer of electrons between substances. (Page XX)
- A carbohydrate composed of multiple monosaccharide units, such as starch and glycogen. (Page XX)
- An ionic compound formed from the neutralization reaction between an acid and a base. (Page XX)
- A substance that reduces the concentration of hydrogen ions (H+) or increases hydroxide ions (OH-) in a solution. (Page XX)
- Reaction: A chemical reaction in which two molecules combine to form a larger molecule, with the loss of a smaller molecule, often water. (Page XX)
Down
- Bond: The force that holds atoms together in a molecule. (Page XX)
- A type of lipid characterized by a four-ring structure, including hormones like cholesterol and testosterone. (Page XX)
- The building block of nucleic acids, composed of a sugar, a phosphate group, and a nitrogenous base. (Page XX)
- (Deoxyribonucleic Acid): The molecule that carries genetic information used for the growth, development, and functioning of all living organisms. (Page XX)
- Complex: The intermediate state formed when an enzyme binds to its substrate. (Page XX)
- A pure substance consisting entirely of one type of atom. (Page XX)
- A scale used to specify the acidity or basicity of an aqueous solution. (Page XX)
- A solution that resists changes in pH when small amounts of an acid or base are added. (Page XX)
- Molecule: A molecule with no net dipole moment, where electrons are shared equally or nearly equally. (Page XX)
- A positively charged ion formed by losing one or more electrons. (Page XX)
- Variants of a particular chemical element that have the same number of protons but different numbers of neutrons. (Page XX)
- Reaction: A type of chemical reaction where two or more reactants combine to form a single product. (Page XX)
- Reaction: A type of chemical reaction where a single compound breaks down into two or more products. (Page XX)
- A negatively charged ion formed by gaining one or more electrons. (Page XX)
- A carbohydrate consisting of two monosaccharide units linked together, such as sucrose and lactose. (Page XX)
- Molecule: A molecule with a net dipole moment due to the presence of polar bonds. (Page XX)
- Acid: The basic building block of proteins, containing an amino group, a carboxyl group, and a variable side chain. (Page XX)
- A biological catalyst that accelerates chemical reactions in living organisms. (Page XX)
- A type of lipid consisting of one glycerol molecule and three fatty acids. (Page XX)
- A group of atoms bonded together, representing the smallest fundamental unit of a chemical compound. (Page XX)
- Bond: The covalent bond formed between the carboxyl group of one amino acid and the amino group of another during protein synthesis. (Page XX)
- A group of hydrophobic organic molecules, including fats, oils, and steroids, that function in long-term energy storage and cellular structure. (Page XX)
- Energy: The minimum energy required to initiate a chemical reaction. (Page XX)
- Bond: A type of chemical bond formed through the electrostatic attraction between oppositely charged ions. (Page XX)
- Acid: A hydrocarbon chain with a carboxyl group at one end, which can be saturated or unsaturated. (Page XX)
50 Clues: The substance upon which an enzyme acts. (Page XX) • The starting materials in a chemical reaction. (Page XX) • Bond: The force that holds atoms together in a molecule. (Page XX) • A pure substance consisting entirely of one type of atom. (Page XX) • The substances produced as a result of a chemical reaction. (Page XX) • ...
Chapter 7 Vocab 2023-01-06
Across
- reactions that occur when two different atoms or molecules interact to form a different molecule or compound.
- any chemical reaction that absorbs heat from its environment.
- reactions that involve the transfer of electrons from one species to another.
- any item or service you sell to serve a customer's need or want.
Down
- symbolic representation of a chemical reaction in the form of symbols and formulae, wherein the reactant entities are given on the left-hand side and the product entities on the right-hand side.
- a chemical reaction between substances, usually including oxygen and usually accompanied by the generation of heat and light in the form of flame.
- a substance that enters into and is altered in the course of a chemical reaction.
- a chemical reaction in which one element replaces another in a compound.
- processes in which chemical species break up into simpler parts.
- the amount of substance of a system which contains as many elementary entities as there are atoms in 0.012 kilogram of carbon 12
- Energy stored in the bonds of chemical compounds.
- a reaction in which energy is released in the form of light or heat.
- a number or symbol by which another number or symbol (as a mathematical variable) is multiplied.
- occur when parts of two ionic compounds are exchanged, making two new compounds.
- the mass in grams of one mole of a substance.
15 Clues: the mass in grams of one mole of a substance. • Energy stored in the bonds of chemical compounds. • any chemical reaction that absorbs heat from its environment. • processes in which chemical species break up into simpler parts. • any item or service you sell to serve a customer's need or want. • ...
Chapter 8 Vocabulary 2021-02-16
Across
- decomposition of a substance by electrical means.
- large amounts of heat and light are released when a substance combines with oxygen in this form of reaction
- equation with words that represents the reactants and products in a chemical reaction.
- a new compound is formed by two or more substances in this type of reaction.
- time when an element in a compound is replaced with another similar element.
- a solid separated by a chemical solution by physical or chemical change.
- two or more simpler substances are produced when a single compound undergoes a reaction in this type of reaction.
Down
- two new compounds are formed when ions of two compounds exchange places in an aqueous solution.
- equation which can go either way.
- a small whole number that appears in front of the chemical equation.
- equation that represents the reactants and products of chemical reactions with symbols and formulas
- symbolic representation of a chemical reaction in the form of symbols with the reactants on the left and the product on the right.
- list of the ease with which certain elements go through certain chemical reactions.
13 Clues: equation which can go either way. • decomposition of a substance by electrical means. • a small whole number that appears in front of the chemical equation. • a solid separated by a chemical solution by physical or chemical change. • a new compound is formed by two or more substances in this type of reaction. • ...
Energy changes 2021-10-27
Across
- During an exothermic reaction the temperature _______
- The ______ process is heat taken in
- Potassium+water-->Potassium hydroxide+____
- An exothermic reaction is the one in which heat energy is _____
- Word equation for the charcoal burns /carbon+oxygen=carbon ____/
- ______ change is endothermic reaction
- When metal react with _____ heat energy is given out
Down
- An endothermic process is a process in which energy is _____
- Calcium hydrogen carbonate+citric acid-->calcium nitrate+carbon dioxide+_____
- An _______ reaction is a chemical reaction in which energy is taken in
- Combustion is an ________ reaction
- Any reaction where a substance combines with oxygen is an ________
- When we ____ water the heat is given out
- Burning is a chemical reaction in which a substance combines with _____
- During an endothermic reaction the temperature ______
15 Clues: Combustion is an ________ reaction • The ______ process is heat taken in • ______ change is endothermic reaction • When we ____ water the heat is given out • Potassium+water-->Potassium hydroxide+____ • When metal react with _____ heat energy is given out • During an exothermic reaction the temperature _______ • During an endothermic reaction the temperature ______ • ...
Chapter 10 Lesson 1 & 2 Vocabulary Review 2025-03-19
Across
- β A reaction where elements switch places in a compound.
- β A chemical reaction that involves oxygen and produces heat or light.
- β A symbolic representation of a chemical reaction using formulas.
- β The starting substance in a chemical reaction.
- β A type of reaction where a compound breaks down into simpler substances.
Down
- β A substance formed in a chemical reaction.
- β A reaction where two or more substances combine to form a new compound.
- β A process in which substances change to form new substances.
- β A number placed before a chemical formula to balance an equation.
- β A chart organizing all known elements by their properties.
- β The measure of the amount of matter in an object.
11 Clues: β A substance formed in a chemical reaction. • β The starting substance in a chemical reaction. • β The measure of the amount of matter in an object. • β A reaction where elements switch places in a compound. • β A chart organizing all known elements by their properties. • β A process in which substances change to form new substances. • ...
Chemical Reactions 2020-03-30
Across
- special name given to the arrow in a chemical reaction
- both positive cations trade places with each other
- solid formed by the addition of two solutions
- the breakdown of one substance into simpler ones
- the combination of substances to form one compound
- speeds up a chemical reaction
Down
- one cation takes the place of another in a compound
- resulting substances of a chemical reaction
- elements, compounds or molecules joined in a chemical reaction
- used to balance chemical equations
- reaction in which oxygen is a reactant and carbon dioxide and water are the resulting products
- small number indicating the number of atoms of an element in a compound
12 Clues: speeds up a chemical reaction • used to balance chemical equations • resulting substances of a chemical reaction • solid formed by the addition of two solutions • the breakdown of one substance into simpler ones • both positive cations trade places with each other • the combination of substances to form one compound • one cation takes the place of another in a compound • ...
Enzymes 2023-06-03
Across
- enzyme stops working due to too high temperature/ or extreme ph
- food we eat cβ-
- temperature; Ph;substrate and enzyme concentration are all l_ f_ in enzyme activity
- higher substrate c___ increases enzyme activity
- Food we eat p-
- Food we eat lβ-
- affects enzyme activity -t___
Down
- Speed up chemical reactions
- Molecule/s taking part in chemical reaction
- One way to measure the rate of chemical reaction: the rate at which p ___ is formed
- One way to measure the rate of chemical reaction: the rate at which reactant is used up
- affects enzyme activity
- an enzyme is a biological ββββ, it speeds up chemical reactions
- theory for how enzymes work
- where substrate attaches
15 Clues: Food we eat p- • food we eat cβ- • Food we eat lβ- • affects enzyme activity • where substrate attaches • Speed up chemical reactions • theory for how enzymes work • affects enzyme activity -t___ • Molecule/s taking part in chemical reaction • higher substrate c___ increases enzyme activity • enzyme stops working due to too high temperature/ or extreme ph • ...
Chemical Reactions Cross Word 2023-12-11
Across
- rate of a reaction
- matter that has the same fixed composition and properties
- mixture where substances aren't evenly mixed
- an enzyme
- release heat
- substance that forms as a result
- substance that speeds up a chemical reaction
- the substance that is dissolved
Down
- mixture where substances are evenly mixed
- the substance that dissolves the solute
- absorbs heat
- substance that exists before the reaction
- a substance that slows down a chemical reaction
- the amount of substance present in a certain volume
- large protein molecules that speed up reaction needed for working cells
15 Clues: an enzyme • absorbs heat • release heat • rate of a reaction • the substance that is dissolved • substance that forms as a result • the substance that dissolves the solute • mixture where substances are evenly mixed • substance that exists before the reaction • mixture where substances aren't evenly mixed • substance that speeds up a chemical reaction • ...
Reactivity Key Words 2023-11-11
Across
- Chemicals present at the end of a reaction
- A physical change is ________
- Chemicals present at the start of a reaction
- Formation of a solid when two liquids chemically join
- Made up of only one type of atom
Down
- Gas produced during a chemical reaction
- A chemical reaction is ________
- Broken during a chemical reaction
- A ______ change is one in which no new substances are made
- Substances which are formed by two or more different types of elements
- In a _______ reaction a new substance is always produced
11 Clues: A physical change is ________ • A chemical reaction is ________ • Made up of only one type of atom • Broken during a chemical reaction • Gas produced during a chemical reaction • Chemicals present at the end of a reaction • Chemicals present at the start of a reaction • Formation of a solid when two liquids chemically join • ...
12 science vocab word 2023-11-15
Across
- an observable characteristic of an object - can be chemical or physical
- the amount of matter something has
- is a small piece of matter
- A chemical reaction in which heat is released
- somthing that is made from somthing else
- when chemical reaction heat is absorded
Down
- The building block of matter
- A substance that takes part in and undergoes change during a chemical reaction
- A model of the electron cloud
- An insoluble solid formed from a chemical reaction
- when an atom has more electrons than protons
- A negative charge in a atom
12 Clues: is a small piece of matter • A negative charge in a atom • The building block of matter • A model of the electron cloud • the amount of matter something has • when chemical reaction heat is absorded • somthing that is made from somthing else • when an atom has more electrons than protons • A chemical reaction in which heat is released • ...
Ch. 6 Crossword David Ziayee 2024-09-27
Across
- Class of enzyme involved in shifting functional groups
- A non-protein molecule required for enzyme activity
- Molecule that undergoes a chemical change in an enzyme-catalyzed reaction
- Enzyme that rearranges atoms within a molecule
- Substance that lowers the energy barrier of a reaction
- Thermodynamic function related to spontaneity
- Enzyme that joins two molecules together
- Free-energy change of a reaction informs about this
- A chemical that mimics the transition state to inhibit enzymes
- Enzymes that transfer electrons between molecules
Down
- Enzyme specificity demonstrated by proteolytic enzymes
- The overall rate of an enzyme-catalyzed reaction
- Type of reaction enzyme that cleaves bonds with water
- Intermediate state during a reaction catalyzed by an enzyme
- Enzyme active region
- First step in enzymatic catalysis
- Highly specific proteins that catalyze reactions
- Process enzymes speed up without changing themselves
- Enzyme class involved in the breaking of bonds without water
19 Clues: Enzyme active region • First step in enzymatic catalysis • Enzyme that joins two molecules together • Thermodynamic function related to spontaneity • Enzyme that rearranges atoms within a molecule • The overall rate of an enzyme-catalyzed reaction • Highly specific proteins that catalyze reactions • Enzymes that transfer electrons between molecules • ...
Chemistry - You don't 2017-03-03
Across
- Group 17 on the Periodic Table and are all non-metals
- This process that leads to the transformation of one set of chemical substances to another
- This dioxide id naturally occurring oxide of titanium, chemical formula TiO2
- A state of matter in which cohesive force is less than or equal to the separating force
- The measure of acidity (or basicity) of a solution
- A device used to measure the pressure in the atmosphere
- Latin name of the halogen element iodine
- An alloy of iron and other elements
- The branch of chemistry concerned with the chemical effects of light
- The phase change from a solid to a liquid
Down
- This is a subatomic particle
- It is a substance or compound added to a system to cause a chemical reaction
- A unit to measure pressure
- International Union of Pure and Applied Chemistry
- An organic compound with the formula (CH2)2(CH)4
- The property of some chemical elements to exist in two or more different forms
- An inorganic chemical with the chemical formula P2
- The increase in the rate of a chemical reaction due to the participation of an additional substance called ...
- A chemical element with atomic number 15
- A polyhedron composed of four triangular faces, six straight edges, and four vertex corners
- The part of the solution that dissolves the solute (H2O in saline water)
- It is a chemical element with atomic number 8
22 Clues: A unit to measure pressure • This is a subatomic particle • An alloy of iron and other elements • A chemical element with atomic number 15 • Latin name of the halogen element iodine • The phase change from a solid to a liquid • It is a chemical element with atomic number 8 • An organic compound with the formula (CH2)2(CH)4 • ...
The chemical reaction vocab 2023-01-23
Across
- an object,diagram,or computer program
- a structre formed by repeating groups of atoms
- the relat
- something that is made of all the same atoms
- able to cause damage
- a starting substance that is part of a chemical reaction
- when water gets hot
Down
- something that can be observed
- an ending substance that is made during a chemical reaction
- the temp at which a substance changes from solid to liquid
- a group of atoms joined together
- a substance that is added to soil to help plants grow
- a process in attoms rearrange to for another substance
- everything is made of it
- the relative size of something
- number of atoms that repeat to make substance
- to change the order or posotion of something
17 Clues: the relat • when water gets hot • able to cause damage • everything is made of it • something that can be observed • the relative size of something • a group of atoms joined together • an object,diagram,or computer program • something that is made of all the same atoms • to change the order or posotion of something • number of atoms that repeat to make substance • ...
9-12.P.1.4 2014-01-30
Across
- in a chemical reaction, the substance you start with before the reaction
- in a chemical equation, a number to the left of each reactant and product that shows the relative amount of each substance involved in the reaction
- a chemical reaction in which the positive ions in two or more substances trade places
- a chemical reaction in which a substance breaks down into two or more simpler substances
Down
- new substances formed as a result of a chemical reaction
- a chemical reaction in which one element replaces another element in a compound
- a chemical reaction in which two or more substances combine to forrm a different substance
- rapid oxidation, or burning
- an amount of a substance that contains approximately 6.02 X 10^23 particles of the substance
- matter that is a combination of atoms of two or more elements
- a neutral group of atoms that are joined together by one or more covalent bonds
11 Clues: rapid oxidation, or burning • new substances formed as a result of a chemical reaction • matter that is a combination of atoms of two or more elements • in a chemical reaction, the substance you start with before the reaction • a chemical reaction in which one element replaces another element in a compound • ...
Chemistry Vocab 2018-02-05
Across
- the process or result of joining two or more things together to form a single entity
- of a reaction or process accompanied by or requiring the absorption of heat
- the energy possessed by a body by virtue of its position relative to others, stresses within itself, electric charge, and other factors
- a form of energy associated with the movement of atoms and molecules in any material
- energy cannot be created or destroyed, it can only be transformed from one form to another
- a reaction or process accompanied by the release of heat
- an apparatus for measuring the amount of heat involved in a chemical reaction or other process
- heat the heat required to raise the temperature of the unit mass of a given substance by a given amount
- states that regardless of the multiple stages or steps of a reaction, the total enthalpy change for the reaction is the sum of all changes
- the energy needed to raise the temperature of 1 gram of water through 1 Β°C
Down
- energy stored in the chemical bonds of a substance
- the measure of bond strength in a chemical bond
- the degree or intensity of heat present in a substance or object
- a thermodynamic quantity equivalent to the total heat content of a system
- the process of measuring the amount of heat released or absorbed during a chemical reaction
- energy that an object possesses by virtue of being in motion
- the branch of chemistry concerned with the quantities of heat evolved or absorbed during chemical reactions
- a phase transition from the liquid phase to vapor
- A unit of energy in the SI system. One joule is 1 kg. m2/s2 which is also 0.2390 calorie
- power derived from the utilization of physical or chemical resources, especially to provide light and heat
20 Clues: the measure of bond strength in a chemical bond • a phase transition from the liquid phase to vapor • energy stored in the chemical bonds of a substance • a reaction or process accompanied by the release of heat • energy that an object possesses by virtue of being in motion • the degree or intensity of heat present in a substance or object • ...
Chemistry of Life- Enzymes 2022-11-30
Across
- Elements or compounds that are produced during a chemical reaction.
- Energy it takes to get a reaction started.
- Elements or compounds that enter a chemical reaction.
- Substance that speeds up a chemical reaction.
- Building block for nucleic acids.
- Building block for proteins.
- Biological catalyst.
- Model for describing how enzymes and substrates fit together.
Down
- Name for reactants in an enzymatic reaction.
- Building block for carbohydrates.
- Building block for lipids.
- Type of macromolecule enzymes typically are.
- Process that changes one set of chemicals into another.
13 Clues: Biological catalyst. • Building block for lipids. • Building block for proteins. • Building block for carbohydrates. • Building block for nucleic acids. • Energy it takes to get a reaction started. • Name for reactants in an enzymatic reaction. • Type of macromolecule enzymes typically are. • Substance that speeds up a chemical reaction. • ...
Unit 3 Interactions with matter 2022-03-17
Across
- A base that produces many hydroxide ions when it is dissolve in water.
- The gradual wearing away of a metal due to a chemical reaction in which the metal is changed into a metallic compound.
- Also known as an alkaline solution, is a solution with a pH of 7 or more.
- The substance in a solution that is dissolved.
- The process by which one of more substances are transformed into different chemical substances.
- A chemical reaction in which energy is absorbed.
- Produces a small number of hydrogen ions when dissolved in water.
- The amount of energy needed to start a chemical reaction.
- A homogenous mixture of two or more substances.
- The reaction between an acid and a base that yields water.
- A base that produces a small amount of hydroxide ions when it is dissolved in water.
- a measure of the amount of solute needed to make a saturated solution using a given amount of solvent.
- A substance that has molecules whose electric charges are unequally distributed, so opposite sides of the molecules have opposite charges.
- A method by which a solution of a known concentration is used to determine the unknown concentration of a second solution.
- A compound that releases hydroxide ions when dissolved in water.
- The substances formed from a chemical reaction
- A solution in which water is the solvent.
- The substances present before a reaction occurs.
- A substance that has molecules whose electric charges are equally distributed.
- Two or more gases mixed together.
- A mixture of chemicals that conducts an electric current.
- The process of removing salt from the ocean to obtain fresh water for drinking, irrigation or industrial use.
- The substance in a solution that is present in the largest amount and acts as the dissolving agent.
Down
- A solution containing more dissolved solute than a normal saturated solution under the same condition.
- A solution containing a large amount of solute.
- A solution in which a solid, gas or other liquid is dissolved into a liquid solvent.
- A solution containing a small amount of solute.
- A substance that changes colour in the presence of an acid or a base.
- The result of sulfur dioxide and nitrogen oxides reacting in the atmosphere with water and returning to Earth as rain, fog, snow, sleet or dew
- The maximum solute a solvent can hold at a given temperature and pressure.
- rate A measure of how rapidly a reaction takes place.
- A measure of the amount of solute dissolved in a certain amount of solvent.
- A description using chemical symbols and formulas to show the reactants and products in a chemical reaction.
- Reactions that take place with so little activation energy it seems as though none was used.
- A chemical reaction in which energyβusually in the form of heat or lightβis released.
- Able to burn or eat away by chemical action.
- A solid that can be dissolved into water to form an aqueous solution.
- a substance used to slow down or stop a chemical reaction.
- A substance that increases the reaction rate without being permanently changed.
- A compound that releases hydroxide ions when dissolved in water.
- Is a solution with a pH less than 7.
- Is an acid that produces many hydrogen ions when it is dissolved in water.
- A scale that measures the acidity of a solution.
- A solid solution made of two or more metals or of a metal and nonmetal.
- A solution containing less solute than a saturated solution.
- The amount of salt in ocean water.
- A compound formed from the positive ions of a base and the negative ions of an acid.
47 Clues: Two or more gases mixed together. • The amount of salt in ocean water. • Is a solution with a pH less than 7. • A solution in which water is the solvent. • Able to burn or eat away by chemical action. • The substance in a solution that is dissolved. • The substances formed from a chemical reaction • A solution containing a large amount of solute. • ...
Reactions 2015-04-20
Across
- The state of a chemical reaction when the concentrations of the products and reactants are unchanged over time.
- A chemical reaction between two compounds where the positive ion of one compound is exchanged with the positive ion of another compound.
- Matter is neither created nor destroyed, so we must have the same number and type of atoms after the chemical change as were present before the chemical change.
- Are used to describe saturated solutions of ionic compounds of relatively low solubility.
- A combustion reaction is a type of chemical reaction where a compound and an oxidant is reacted to produce heat and a new product
- A type of chemical reaction that involves a transfer of electrons between two species.
Down
- A type of oxidation-reduction chemical reaction when an element or ion moves out of one compound and into another
- The property of a solid, liquid, or gaseous chemical substance called solute to dissolve in a solid, liquid, or gaseous solvent to form a homogeneous solution of the solute in the solvent.
- A solution in which the solvent is water.
- A decomposition reaction is a type of chemical reaction where one reactant yields two or more products.
- Formation of a chemical compound through the combination of simpler compounds or elements. synthesize verb.
- Equations that show only the soluble, strong electrolytes reacting (these are represented as ions) and omit the spectator ions, which go through the reaction unchanged.
12 Clues: A solution in which the solvent is water. • A type of chemical reaction that involves a transfer of electrons between two species. • Are used to describe saturated solutions of ionic compounds of relatively low solubility. • A decomposition reaction is a type of chemical reaction where one reactant yields two or more products. • ...
Chemisty Crossword 2017-11-10
Across
- mass of atom
- group of atoms joined by covalent bonds
- an experiment in which one or more products of a chemical reaction can escape
- combination of pure substances; unlike a compound, the components of a mixture do not combine chemically and are not always in the same ratio
- a system of easy to see warning symbols on hazardous materials
- cloudy mixture in which tiny particles of one substance are held within another, and the particles can be separated out
- number of protons in the nucleus of one atom of an element
- substance that reacts with another substance or substances in a chemical reaction to create new substance with different properties
- a table in which the elements are organised by their physical and chemical change
- pure substance formed when nonmetals combine
- an atom that has become electrically charged because it lost or gained electrons
- orbit of electrons around the nucleus of an atom
Down
- new substance produced in a chemical reaction between reactants
- an experiment in which all reactants and all products of a chemical reaction are accounted for
- substance made of only one kind of matter, which has unique set of properties
- amount of mass in a given volume
- reaction that takes place when two or more substances react to for a new substance
- The smallest part of an element that is representative of that element
- chemical reaction that releases energy
- cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance
- invisible negatively charged particle that orbits the nucleus of an atom
- heterogeneous mixture; mixture in which the different substances that make up the mixture as visible
- change that results when two or more substance react to create a different substance
- the most reactive non-metals
- homogeneous mixture; mixture of two or more pure substances that looks like one substance
25 Clues: mass of atom • the most reactive non-metals • amount of mass in a given volume • chemical reaction that releases energy • group of atoms joined by covalent bonds • pure substance formed when nonmetals combine • orbit of electrons around the nucleus of an atom • number of protons in the nucleus of one atom of an element • ...
Vocab Crossword Puzzle 2024-05-01
Across
- A substance produced by a living organism which acts as a Catalyst to bring about a specific bio chemical reaction.
- Chemical element number six, a nonmetal which has two forms(diamond and graphite)
- A group of compounds that store energy, signal, and act as structural components of cell membranes.
- The chemical breakdown of a compound due to reaction with water.
- The minimum quantity of energy which the reacting species must possess in order to undergo a specified reaction.
- A group of organic compounds that include sugars, starch, and cellulose and used as structural materials and for energy storage within living tissues.
- A substance on which an enzyme acts.
- An organic substance in living cells, especially DNA and RNA which consists of nucleotides in a long chain.
- A molecule that can be bonded to other identical molecules to form a polymer.
- A carboxylic acid consisting of a hydrocarbon chain and a terminal carboxyl group, especially any of those occurring as esters in fats and oils.
- A molecule that contains nitrogen and has the chemical properties of a base.
- A substance that increases the rate of chemical reaction without its self undergoing any permanent chemical change.
- A region on an enzyme that binds to a protein or other substances during a reaction.
Down
- A pentose(fiveβcarbon sugar) biological molecule.
- A molecule that is produced by a living organism.
- Large biomolecules and micro molecules that comprise one or more long chains of amino acid residues.
- A thing or a person that is the result of an action or process.
- The building blocks of polypeptides and proteins and play important roles in metabolic pathway, gene expression, and cell signal transduction regulation.
- A substance of very large molecules called macromolecules composed of repeating subunits.
- A substance that takes part in and undergoes change during a reaction.
20 Clues: A substance on which an enzyme acts. • A pentose(fiveβcarbon sugar) biological molecule. • A molecule that is produced by a living organism. • A thing or a person that is the result of an action or process. • The chemical breakdown of a compound due to reaction with water. • A substance that takes part in and undergoes change during a reaction. • ...
CHEMICAL REACTIONS YR. 9 2020-08-13
Across
- energy in animal cells.
- - These chemical compounds turn Universal
- - An endothermic process carried out by
- yellow to red.
- - These chemical compounds turn Universal
- an acid or a base.
- - The symbol O represents the chemical
- blue to purple.
- to produce glucose and oxygen.
- - A chemical reaction which off heat.
- __
Down
- together in a fixed ratio.
- - A reverse process to photosynthesis
- - Substances that turn Universal Indicator green
- are said to be ____________.
- - Substances that tell us whether a substance
- - A chemical reaction which takes in heat.
- - Two or more atoms of the SAME element
- - Two or more atoms of DIFFERENT elements
- together to form a _________.
- - A type of indicator.
21 Clues: __ • yellow to red. • blue to purple. • an acid or a base. • - A type of indicator. • energy in animal cells. • together in a fixed ratio. • are said to be ____________. • together to form a _________. • to produce glucose and oxygen. • - A reverse process to photosynthesis • - A chemical reaction which off heat. • - The symbol O represents the chemical • ...
BONUS - Enzymes 2023-12-04
Across
- this is the enzyme that breaks down lactose
- anything that has mass and takes up space
- what unit do we use to measure acidity or alkalinity
- this is the destroying of an enzyme by changing heat or acidity
- this is the location on an enzyme where a substrate binds
- when one set of chemicals gets changed into another set of chemicals
- an organism's ability to maintain stable, internal conditions
Down
- this is the name of a molecule that interacts with an enzyme
- this is what an enzyme lowers in order to kickstart a chemical reaction
- the generic name given to a chemical that goes INTO a chemical reaction
- a pure substance that cannot be broken down into another substance in a chemical reaction
- the generic name given to a chemical that comes OUT of a chemical reaction
- All chemical reactions need ______ to happen; some need a little, some need a lot
- this is a protein catalyst made by living things to catalyze chemical reactions
14 Clues: anything that has mass and takes up space • this is the enzyme that breaks down lactose • what unit do we use to measure acidity or alkalinity • this is the location on an enzyme where a substrate binds • this is the name of a molecule that interacts with an enzyme • an organism's ability to maintain stable, internal conditions • ...
Chemical Reactions 2023-11-17
Across
- the starting materials of a reaction
- tells how many atoms have bonded together
- process by which one or more substances change to produce one or more different substances
- mass cannot be created or destroyed in a normal chemical reaction
- one compound breaks down to form 2 or more simpler substances
- 2 or more substance combine to form a new compound
Down
- a reaction in which 2 ions switch places, usually forms a gas or precipitate
- a combination of chemical symbols and numbers to represent a substance
- a reaction in which one element takes the place of another element
- the substance that forms in a chemical reaction
- a solid produced in a chemical reaction
- the number in front of a chemical formula
12 Clues: the starting materials of a reaction • a solid produced in a chemical reaction • tells how many atoms have bonded together • the number in front of a chemical formula • the substance that forms in a chemical reaction • 2 or more substance combine to form a new compound • one compound breaks down to form 2 or more simpler substances • ...
donkey 2022-05-10
Across
- Chemical Reaction in which energy is primarily given off in the form of heat
- Formed when one or more electrons are transferred from one atom to another
- A change in matter that produces one or more new substances
- (of a chemical reaction or compound) occurring or formed with absorption of heat
- A number in front of a chemical formula in an equation that indicates how many molecules or atoms of each reactant and product are involved in a reaction.
- A chemical bond that involves sharing a pair of electrons between atoms in a molecule
- The elements or compounds produced by a chemical reaction.
Down
- A change in a substance that does not involve a change in the identity of the substance
- the force that holds two atoms together
- the process by which one or more substances change to produce one or more different substances
- A representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products
- A starting material in a chemical reaction
- a charged atom
13 Clues: a charged atom • the force that holds two atoms together • A starting material in a chemical reaction • The elements or compounds produced by a chemical reaction. • A change in matter that produces one or more new substances • Formed when one or more electrons are transferred from one atom to another • ...
Remi Taylor chapter 13 crossword 2020-03-02
Across
- the attractive force that holds atoms or ions together
- during this reaction energy is released
- how quickly the concentration of reactants decreases and how quickly the concentration of products increases
- during this reaction energy is taken
- in this chemical reaction there is an explosion
Down
- during this reaction one or more new compounds are formed as a result rearrangement of atoms
- in this chemical reaction the atoms decay
- a chemical that accepts a hydrogen
- a chemical that donates a hydrogen
- Temperature, Pressure, Concentration effect this
- a substance that lowers the activation energy of a chemical reaction
11 Clues: a chemical that accepts a hydrogen • a chemical that donates a hydrogen • during this reaction energy is taken • during this reaction energy is released • in this chemical reaction the atoms decay • in this chemical reaction there is an explosion • Temperature, Pressure, Concentration effect this • the attractive force that holds atoms or ions together • ...
Chapter 6+7 2023-11-07
Across
- - a representation of a chemical reaction in which the reactants and products are expressed as formulas
- - new substances formed as a result of a chemical reaction
- - an ion with a positive charge
- - a neutral group of atoms that are joined together by one or more covalent bonds
- - a mixture of two or more elements, at least one of which is a metal, that has the characteristic properties of a metal
- - an ion with a negative charge
- - a chemical reaction in which a compound breaks down into two or more simpler substan
- - a chemical bond in which two atoms share a pair of valence electrons
Down
- - a substance that undergoes change in a chemical reaction
- - an atom or group of atoms that has a positive or negative charge
- - a chemical reaction in which two or more substances react to form a single substance
- - notation that shows what elements a compound contains and the ratio of the atoms or ions of these elements in the compound
- - the force that holds cations and anions together
- - the attraction between a metal cation and the shared electrons that surround it
- - the force that holds atoms or ions together as a unit
- diagram - a diagram of an atom, ion or molecule in which each dot represents a valence electron
- - numbers that appear before a formula in a chemical equation to show the relative proportions of each reactant and product
17 Clues: - an ion with a positive charge • - an ion with a negative charge • - the force that holds cations and anions together • - the force that holds atoms or ions together as a unit • - a substance that undergoes change in a chemical reaction • - new substances formed as a result of a chemical reaction • - an atom or group of atoms that has a positive or negative charge • ...
Reactions and Balancing Equations 2022-05-11
Across
- an equation represents a chemical reaction using the names of the substances involved
- an insoluble solid that emerges from a liquid solution
- a reaction in which one element is substituted for another element in a compound
- a type of ordering system for elements, which ranks how reactive a certain element is in relation to other elements.
- a reaction in which one reactant breaks down into two or more products
- number placed in front of a formula to balance a chemical equation.
- a reaction in which the products can be changed back into the original reactants
Down
- a reaction in which two elements are substituted for another element in a compound
- a number assigned to an element in chemical combination which represents the number of electrons lost
- a reaction that occurs when two different atoms or molecules interact to form a different molecule or compound
- an equation representing a _____ reaction using symbols of the elements to indicate the amount of substance, usually in moles, of each reactant and product.
- a chemical reaction between substances, usually including oxygen and usually accompanied by the generation of heat and light in the form of flame
- an equation that represents the reactants and products of a chemical reaction by their symbols or formulas
13 Clues: an insoluble solid that emerges from a liquid solution • number placed in front of a formula to balance a chemical equation. • a reaction in which one reactant breaks down into two or more products • a reaction in which one element is substituted for another element in a compound • ...
Matter: Property and Changes 2023-09-15
Across
- the amount of space a substance takes up
- the ability of a type of matter to burn easily
- law that states that energy is always transferring but energy is not created or destroyed
- a starting substance in a chemical reaction
- occurs when substances react with oxidizing agents changing to a new substance
- a change in matter in which the substances that make up the matter change into other substances with different chemical and physical properties
- the amount of matter in an object
- a number placed in front of an element symbol or chemical formula in an equation
Down
- a characteristic of matter that can be observed as it changes into a different type of matter
- law that states that the total mass of the reactants before a chemical reaction is the same as the total mass of the products after the chemical reaction
- the mass per unit volume of a substance
- a substance produced by a chemical reaction
- the energy released when atoms form bonds
- reaction more energy is released when the products form than is required to break the bonds in the reactants
- substance that gains an electron
- more energy is required to break the bonds of the reactants than is released when products form
- a characteristic of matter that can be observed or measured without changing the identity of the matter
- a process in which atoms of one or more substances rearrange to form one or more new substances
- occurs when a substance reacts with another substance changing it to a new substance
19 Clues: substance that gains an electron • the amount of matter in an object • the mass per unit volume of a substance • the amount of space a substance takes up • the energy released when atoms form bonds • a substance produced by a chemical reaction • a starting substance in a chemical reaction • the ability of a type of matter to burn easily • ...
M3 Chemistry 2025-11-20
Across
- The substances that are made in a reaction.
- The subatomic particle with a neutral charge.
- The subatomic particle with a positive charge.
- The smallest particle of matter that still maintains its propertires.
- The substances that go into a chemical reaction.
- The way to write out a chemical reaction.
- The combination of letters and numbers that represents a compound or molecule.
- The big number that represents how many molcules are present.
Down
- The law of _____________ says matter cannot be created or destroyed.
- Substances put together but not chemically attached.
- A single type of chemical.
- Multiple atoms bonded together.
- Where you can find all of the different types of chemical building blocks organized.
- H2O
- The small number that you are not allowed to change!
- What holds molecules and compounds together.
- CO2
- Multiple atoms of different types bonded together.
- The subatomic particle with a negative charge.
19 Clues: H2O • CO2 • A single type of chemical. • Multiple atoms bonded together. • The way to write out a chemical reaction. • The substances that are made in a reaction. • What holds molecules and compounds together. • The subatomic particle with a neutral charge. • The subatomic particle with a positive charge. • The subatomic particle with a negative charge. • ...
Chemical Reactions & Energy Puzzle 2024-11-18
Across
- Someone who solves problems by designing, building, and improving products
- All the things our design needs to do or have-The requirements
- The systematic process of investigating a specific question to find answers
- The ability to dissolve in a liquid
- Anything that takes up space and has weight
- How easily a liquid flows, or resistance to flow
- The characteristics of a substance
- The curved surface of a liquid within a container
- The inability to dissolve in a liquid
- A form of energy
Down
- A chemical reaction that absorbs heat
- A chemical reaction that releases heat
- The substance that is formed after a chemical reaction
- The starting substances used to cause a chemical reaction
- How much matter is packed into the volume of a substance or object
- All the things our design does not need to do or have-The limits
- The building blocks of all the matter in the universe
- Atoms that make up a pure ingredient
- The result of 2 or more atoms that come together to form a new substance
19 Clues: A form of energy • The characteristics of a substance • The ability to dissolve in a liquid • Atoms that make up a pure ingredient • A chemical reaction that absorbs heat • The inability to dissolve in a liquid • A chemical reaction that releases heat • Anything that takes up space and has weight • How easily a liquid flows, or resistance to flow • ...
Corey Patterson Chapter 13 2016-10-12
Across
- Description of a substance that can behave as either an acid or a base
- A representation of a chemical reaction in which reactants are written to the left of an arrow that points toward the products on the right
- Description of a solution in which the hydroxide ion concentration is higher than the hydronium ion concentration; also sometimes called alkaline
- A rapid exothermic oxidation-reduction reaction between a material and molecular oxygen
- A polyatomic ion made by adding a proton (hydrogen ion) to a water molecule
- Any substance that increases the rate of a chemical reaction without itself being consumed by the reaction
- A substance that accepts hydrogen ions
- The amount of energy required to pull two bonded atoms apart, which is the same as the amount of energy released when the two atoms are brought into a bond
Down
- Description of a chemical reaction in which there is a net absorption of energy
- Description of a chemical reaction in which there is a net release of energy
- Description of a solution in which the hydronium ion concentration is higher than the hydroxide ion concentration
- The deterioration of a metal, typically caused by the atmospheric oxygen.
- A substance that donates hydrogen ions
- The minimum energy required in order for a chemical reaction to proceed
- One half of an oxidation-reduction reaction, represtented by an equation showing electrons as either reactants or products
15 Clues: A substance that donates hydrogen ions • A substance that accepts hydrogen ions • Description of a substance that can behave as either an acid or a base • The minimum energy required in order for a chemical reaction to proceed • The deterioration of a metal, typically caused by the atmospheric oxygen. • ...
Mikayla Heintschel Chapter 13 2016-10-12
Across
- Anything the lowers the activation energy and gets the same reaction.
- Must be added to break bonds.
- Energy is transferred to reactants from surroundings.
- Chemical that donates a hydrogen ion.
- Chemical that accepts a hydrogen ion.
- Combining 2 elements to form a larger compound.
- The pH level of water is.
Down
- When you add hydroxide ions.
- Separating a compound in a chemical reaction.
- Product side of the reaction is always an oxide.
- The number of hydronium ions equals the number of hydroxide ions.
- Energy transfers from reactants to surroundings.
- When you add hydronium ions.
- The energy stored in molecules that can be released during a reaction.
- When a reaction and its reverse act at the same rate
15 Clues: The pH level of water is. • When you add hydroxide ions. • When you add hydronium ions. • Must be added to break bonds. • Chemical that donates a hydrogen ion. • Chemical that accepts a hydrogen ion. • Separating a compound in a chemical reaction. • Combining 2 elements to form a larger compound. • Product side of the reaction is always an oxide. • ...
Chemistry - You don't 2017-03-03
Across
- Group 17 on the Periodic Table and are all non-metals
- This process that leads to the transformation of one set of chemical substances to another
- This dioxide id naturally occurring oxide of titanium, chemical formula TiO2
- A state of matter in which cohesive force is less than or equal to the separating force
- The measure of acidity (or basicity) of a solution
- A device used to measure the pressure in the atmosphere
- Latin name of the halogen element iodine
- An alloy of iron and other elements
- The branch of chemistry concerned with the chemical effects of light
- The phase change from a solid to a liquid
Down
- This is a subatomic particle
- It is a substance or compound added to a system to cause a chemical reaction
- A unit to measure pressure
- International Union of Pure and Applied Chemistry
- An organic compound with the formula (CH2)2(CH)4
- The property of some chemical elements to exist in two or more different forms
- An inorganic chemical with the chemical formula P2
- The increase in the rate of a chemical reaction due to the participation of an additional substance called ...
- A chemical element with atomic number 15
- A polyhedron composed of four triangular faces, six straight edges, and four vertex corners
- The part of the solution that dissolves the solute (H2O in saline water)
- It is a chemical element with atomic number 8
22 Clues: A unit to measure pressure • This is a subatomic particle • An alloy of iron and other elements • A chemical element with atomic number 15 • Latin name of the halogen element iodine • The phase change from a solid to a liquid • It is a chemical element with atomic number 8 • An organic compound with the formula (CH2)2(CH)4 • ...
metals and non-metals crossword 2025-11-25
Across
- A substance used up in a chemical reaction.
- Two or more substances mixed, but not joined together.
- Can bend without breaking.
- Group 1 in the periodic table.
- The tiny spheres that make up everything.
- A substance made in a chemical reaction.
- β Shininess.
- The chemical name of reactions involving burning in oxygen.
- Group 0 in the periodic table.
- A shortened way to describe what is going on in a chemical reaction. Eg: hydrogen + oxygen β water.
Down
- When one or more substances change into new substances β you may see a colour change, a gas given off or heat produced.
- A row in the periodic table.
- A group of metals in the periodic table between Group 2 and Group 3. They are hard, strong and not very reactive.
- Group 7 in the periodic table.
- Reaction of water, oxygen and iron to make a brown solid.
- Goes βdingβ when you hit it.
- A substance made of just one type of atom.
- A column in the periodic table.
- Two or more elements joined together and so canβt be separated easily.
19 Clues: β Shininess. • Can bend without breaking. • A row in the periodic table. • Goes βdingβ when you hit it. • Group 7 in the periodic table. • Group 1 in the periodic table. • Group 0 in the periodic table. • A column in the periodic table. • A substance made in a chemical reaction. • The tiny spheres that make up everything. • A substance made of just one type of atom. • ...
Chemistry Review 2023-01-05
Across
- a one or two letter abbreviation of an element's name
- charged atom
- positively charged particles in an atom
- scientists who create medicines
- identified by the # of protons in the nucleus
- a specific pattern that repeats made by atoms and molecules that are bound together
- the point at which molecules separate into a liquid
Down
- the particles left behind when plastic decomposes
- the substances that combine in a chemical reaction
- the solute that does not dissolve in a solution
- the kind of bond that makes table salt
- the sum of protons and neutrons in an element
- when solutes break apart and distribute throughout a solution
- the substance created from a chemical reaction
- the insoluble part of a chemical reaction
- region of an atom that contains positively charged particles
- a natural substance used to make plastics
- single unit of an element
- nylon, polyester, ziplocks
19 Clues: charged atom • single unit of an element • nylon, polyester, ziplocks • scientists who create medicines • the kind of bond that makes table salt • positively charged particles in an atom • the insoluble part of a chemical reaction • a natural substance used to make plastics • the sum of protons and neutrons in an element • identified by the # of protons in the nucleus • ...
CHEMICAL BASIS OF LIFE 2013-02-11
Across
- of all chemical reactions that occur within the cell.
- synthesis/a process in which water is extracted from two monosaccharide sugar molecules.
- reaction in which complex chemical structures are broken down into simpler molecules
- compound/compounds that contain the element carbon.
- up of sugar units;most important source of energy.
- by two monosaccharides.
- composed of from three to several million subunits.
- of the same elements having different atomic mass number.
- molecule/molecules that have positive and negative ends or poles.
- to do work ;it is neither created nor destroyed but simply changed.
- bond/sharing of electrons.
- a plant polysaccharide that makes up plant cell walls.
- chemicals that have the same chemical formula but a different arrangement of molecules.
Down
- small sub units that are indivisible.
- sugar; glucose,fructose, and galactose.
- bond/transfer of electrons.
- pure substances that cannot be broken down into simpler substances.
- carbohydrates formed by the union of many monosaccharide subunits.
- the form of carbohydrate storage in animals.
- a chemical reaction in which simple chemical substances are combined to form complex chemical reaction.
20 Clues: by two monosaccharides. • bond/sharing of electrons. • bond/transfer of electrons. • small sub units that are indivisible. • sugar; glucose,fructose, and galactose. • the form of carbohydrate storage in animals. • up of sugar units;most important source of energy. • compound/compounds that contain the element carbon. • composed of from three to several million subunits. • ...
Chemical Energy Cross Word 2016-05-15
Across
- Humans eat _____ to create energy
- An example of Chemical energy is?
- The process of light being changed into Chemical Energy is called?
- Energy that contains chemicals is called _____ Energy?
- What is the name given to a substance that is the first thing used in a chemical reaction?
- Natural ____ is an example of chemical energy that can be stored
Down
- When ice is melted it turns into water, which is a?
- chemical Energy can create ______ Energy?
- A chemical energy and chemical reaction that happens in the sky and creates images and loud noises is called a?
- A product used at home to wash the dishes that contains chemicals
- When Something is hard and joined together we call it a?
- Chemical energy is released in a chemical ________?
- A chemical we use to cook with is called?
- Something that can be transformed?
14 Clues: Humans eat _____ to create energy • An example of Chemical energy is? • Something that can be transformed? • chemical Energy can create ______ Energy? • A chemical we use to cook with is called? • When ice is melted it turns into water, which is a? • Chemical energy is released in a chemical ________? • Energy that contains chemicals is called _____ Energy? • ...
Chemistry Crossword 2014-11-07
Across
- Chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy.
- Element that has both metallic and non-metallic properties.
- Positively charged centre of an atom;contains protons and neutrons.
- A reaction that takes place when two or more substances react to form new substances.
- Substance that helps a chemical reaction proceed more quickly.
- Change that results when two or more substances react to create a substance.
- Substance that strongly resists the flow of electricity.
- Principle that matter is not created or destroyed in a chemical reaction.
- Atom that has become electrically charged because it has lost or gained electrons.
- Combination of symbols that represent a compound.
- A material that electric charge can move through easily.
- Cloudy mixture in which tiny particles of one substance are held within another.
- Ability of a substance to conduct electricity or heat.
Down
- Colourless, odourless gas;produced by incomplete combustion of chemicals
- Shiny, malleable, ductile element that conducts electricity.
- Process in which molecules move from an area of higher concentration to one of lower concentration.
- Amount of mass in a given volume of a substance.
- Chemical reaction that takes place in cells;food
- Chemical combination of two or more elements in a specific ratio.
- Description of how a substance interacts with other substances,such as acids.
- Energy stored in chemicals and released when chemicals react.
- Group 17 elements in the periodic table.
- Change of state from a gas to a solid.
- Change of state from a gas to a liquid.
- Slow chemical change that occurs when oxygen in the air reacts with a metal.
25 Clues: Change of state from a gas to a solid. • Change of state from a gas to a liquid. • Group 17 elements in the periodic table. • Amount of mass in a given volume of a substance. • Chemical reaction that takes place in cells;food • Combination of symbols that represent a compound. • Ability of a substance to conduct electricity or heat. • ...
Chapter 7 Reactions 2024-11-07
Across
- any process that releases heat
- one reactant breaks down to multiple products
- more than one reactant forms one product
- a chemical that speeds up a reaction but is not used up
- any process that absorbs heat
- a reaction requiring oxygen and releasing heat and light
Down
- one element replaces another in a reaction
- element or compound that undergoes a chemical reaction
- elements replace each other in a reaction
- energy stored in chemical bonds
- something present only after a chemical reaction
11 Clues: any process that absorbs heat • any process that releases heat • energy stored in chemical bonds • more than one reactant forms one product • elements replace each other in a reaction • one element replaces another in a reaction • one reactant breaks down to multiple products • something present only after a chemical reaction • ...
Chemistry Vocab 2018-02-05
Across
- the energy needed to raise the temperature of 1 gram of water through 1 Β°C
- power derived from the utilization of physical or chemical resources, especially to provide light and heat
- the measure of bond strength in a chemical bond
- of a reaction or process accompanied by or requiring the absorption of heat
- a phase transition from the liquid phase to vapor
- energy cannot be created or destroyed, it can only be transformed from one form to another
- an apparatus for measuring the amount of heat involved in a chemical reaction or other process
- a reaction or process accompanied by the release of heat
- heat the heat required to raise the temperature of the unit mass of a given substance by a given amount
Down
- the process of measuring the amount of heat released or absorbed during a chemical reaction
- energy stored in the chemical bonds of a substance
- states that regardless of the multiple stages or steps of a reaction, the total enthalpy change for the reaction is the sum of all changes
- energy that an object possesses by virtue of being in motion
- the energy possessed by a body by virtue of its position relative to others, stresses within itself, electric charge, and other factors
- a thermodynamic quantity equivalent to the total heat content of a system
- the degree or intensity of heat present in a substance or object
- the branch of chemistry concerned with the quantities of heat evolved or absorbed during chemical reactions
- A unit of energy in the SI system. One joule is 1 kg. m2/s2 which is also 0.2390 calorie
- the process or result of joining two or more things together to form a single entity
- a form of energy associated with the movement of atoms and molecules in any material
20 Clues: the measure of bond strength in a chemical bond • a phase transition from the liquid phase to vapor • energy stored in the chemical bonds of a substance • a reaction or process accompanied by the release of heat • energy that an object possesses by virtue of being in motion • the degree or intensity of heat present in a substance or object • ...
Chemistry Vocab 2018-02-05
Across
- A unit of energy in the SI system. One joule is 1 kg. m2/s2 which is also 0.2390 calorie
- an apparatus for measuring the amount of heat involved in a chemical reaction or other process
- a thermodynamic quantity equivalent to the total heat content of a system
- the energy possessed by a body by virtue of its position relative to others, stresses within itself, electric charge, and other factors
- the branch of chemistry concerned with the quantities of heat evolved or absorbed during chemical reactions
- energy cannot be created or destroyed, it can only be transformed from one form to another
- the process or result of joining two or more things together to form a single entity
- of a reaction or process accompanied by or requiring the absorption of heat
- heat the heat required to raise the temperature of the unit mass of a given substance by a given amount
- the measure of bond strength in a chemical bond
Down
- energy stored in the chemical bonds of a substance
- the energy needed to raise the temperature of 1 gram of water through 1 Β°C
- the process of measuring the amount of heat released or absorbed during a chemical reaction
- power derived from the utilization of physical or chemical resources, especially to provide light and heat
- a reaction or process accompanied by the release of heat
- energy that an object possesses by virtue of being in motion
- a form of energy associated with the movement of atoms and molecules in any material
- the degree or intensity of heat present in a substance or object
- a phase transition from the liquid phase to vapor
- states that regardless of the multiple stages or steps of a reaction, the total enthalpy change for the reaction is the sum of all changes
20 Clues: the measure of bond strength in a chemical bond • a phase transition from the liquid phase to vapor • energy stored in the chemical bonds of a substance • a reaction or process accompanied by the release of heat • energy that an object possesses by virtue of being in motion • the degree or intensity of heat present in a substance or object • ...
chemistry 2024-04-23
Across
- State in which forward and reverse reactions are balanced
- Force exerted by a substance per unit area
- Substance present at the start of a chemical reaction
- Principle stating that mass and energy are conserved in a system
- Group 1 elements in the periodic table
- Formula showing the simplest ratio of elements in a compound
- Process of changing directly from gas to solid
- Process of changing from gas to liquid
- Group 18 elements in the periodic table
- Speed at which a chemical reaction occurs
- Substance with a bitter taste and pH greater than 7
- Basic unit of matter
- Substance used to show the presence of another substance
- Substance dissolved in a solvent
- Measure of acidity or alkalinity
- Repeating pattern in the properties of elements
- Process of joining atoms together
- Elements in the middle of the periodic table
- Horizontal row in the periodic table
- Electrically charged atom or molecule
- Homogeneous mixture of two or more substances
- Expression representing a chemical compound
- Region of space where an electron is likely to be found
- Capacity to do work or produce heat
- Substance made of only one type of atom
- Molecule upon which an enzyme acts
- State of matter
- Relating to molecules
- Process of changing from solid to liquid
- State of matter with no fixed shape or volume
- Arrangement of atoms in a molecule
- Mixing of atomic orbitals
- Process of reducing the concentration of a solution
- Element that lacks metallic properties
- Study of reaction rates
- Measure of disorder in a system
- Characteristic of a substance
Down
- Process of changing from liquid to gas
- Neutral subatomic particle found in the nucleus
- Group of atoms bonded together
- Substance with distinct properties and composition
- Process of changing directly from solid to gas
- Chart displaying chemical elements
- State of matter with a fixed volume but no fixed shape
- Gaseous state of a substance
- Substance capable of dissolving other substances
- Spontaneous emission of radiation from an unstable nucleus
- Element that is typically shiny and conducts electricity
- Perfect or theoretical
- Process of changing from liquid to solid
- Amount of solute in a solvent
- Chemical reaction absorbing heat
- Substance composed of two or more elements
- Relating to atoms
- Element with properties of both metals and nonmetals
- Type of bond formed by sharing electrons
- Vertical column in the periodic table
- Process that involves the transformation of substances
- Positively charged subatomic particle
- Study of energy changes in chemical reactions
- Table organizing elements by atomic number
- Measure of an atom's ability to attract electrons
- Group 17 elements in the periodic table
- Central part of an atom containing protons and neutrons
- Force holding atoms together in a molecule
- Amount of matter in an object
- Force exerted on an object due to gravity
- Process of changing from liquid to gas
- Atoms of the same element with different numbers of neutrons
- Negatively charged subatomic particle
- Substance that increases the rate of a chemical reaction
- Bond formed by the transfer of electrons
- Energy required to initiate a chemical reaction
- Substance formed as a result of a chemical reaction
- Substance with a sour taste and pH less than 7
- State of matter with a fixed shape and volume
- Chemical reaction releasing heat
77 Clues: State of matter • Relating to atoms • Basic unit of matter • Relating to molecules • Perfect or theoretical • Study of reaction rates • Mixing of atomic orbitals • Gaseous state of a substance • Amount of solute in a solvent • Amount of matter in an object • Characteristic of a substance • Group of atoms bonded together • Measure of disorder in a system • ...
Cooking chemistry science concepts. 2024-02-09
Across
- heat with gluten
- Form of creating gluten
- Heating of organic material
- removal of hydrogen ions
- uses bases to cause leavening
- Cooks food
- smell
- Baking
- gives of aroma
Down
- Sugar+heat
- range of acidic
- browning
- thicken
- chemical break down
- breakdown of secondary structures
- movement of water
- fat
- absorbs moisture
- mix of oil and water
- sour
20 Clues: fat • sour • smell • Baking • thicken • browning • Sugar+heat • Cooks food • gives of aroma • range of acidic • heat with gluten • absorbs moisture • movement of water • chemical break down • mix of oil and water • Form of creating gluten • removal of hydrogen ions • Heating of organic material • uses bases to cause leavening • breakdown of secondary structures
Chemistry Crossword 2022-09-16
chem bonus 2023-04-25
Across
- solid, liquid, gas
- 6.022Γ10^23
- anything that has mass and takes up space
- numbers that matter
- solid becoming a liquid
- standard unit of temperature
- ΞH
- catalyst that speeds up a chemical reactions
- compound formed from positive and negative ions
- what Mrs. Carley teaches
Down
- Actual yield divided by theoretical yield times 100
- standard unit of energy
- gas to liqiud
- mass divided by its volume
- gas law that relates pressure and volume at constant temperature and amount
- A chemical reaction that has a positive change in enthalpy.
- The relating of one chemical substance to another using a balanced chemical reaction
- right side of a chemical equation
- organizes all elements into rows and columns
- subatomic particle with a negative charge
- smallest unit of matter
21 Clues: ΞH • 6.022Γ10^23 • gas to liqiud • solid, liquid, gas • numbers that matter • standard unit of energy • solid becoming a liquid • smallest unit of matter • what Mrs. Carley teaches • mass divided by its volume • standard unit of temperature • right side of a chemical equation • anything that has mass and takes up space • subatomic particle with a negative charge • ...
thermochemistry 2023-04-27
Across
- the process by which heat energy is transmitted through collisions between neighboring atoms or molecules.
- the energy that comes from motion.
- the amount of heat needed to turn 1 g of a liquid into a vapor, without a rise in the temperature of the liquid.
- energy that comes from a source and travels through space at the speed of light.
- the quantity of heat (J) absorbed per unit mass (kg) of the material when its temperature increases 1 K (or 1 Β°C).
- the SI derived unit used to measure energy or work.
- chemical reactions that absorb (or use) energy.
- the process of measuring the amount of heat released or absorbed during a chemical reaction.
- the standard unit of temperature in the metric system of units.
- a chemical reaction where the substances reacting release energy as heat.
Down
- the movement of heat by a moving gas or liquid.
- a branch of chemistry that describes the energy changes that occur during chemical reactions.
- the result of the movement of tiny particles called atoms, molecules or ions in solids, liquids and gases.
- the amount of energy needed to warm 1 g of H2O by 1Β°C.
- the energy contained within a system that is responsible for its temperature.
- a substance that is formed as the result of a chemical reaction.
- substances initially present in a chemical reaction that are consumed during the reaction to make products.
- the quantity of heat necessary to change 1 g of a solid to a liquid with no temperature change.
- the SI unit of thermodynamic temperature.
19 Clues: the energy that comes from motion. • the SI unit of thermodynamic temperature. • the movement of heat by a moving gas or liquid. • chemical reactions that absorb (or use) energy. • the SI derived unit used to measure energy or work. • the amount of energy needed to warm 1 g of H2O by 1Β°C. • the standard unit of temperature in the metric system of units. • ...
science 2 2021-09-29
Across
- a large organic molecule made up of many atoms
- a combination of 2 or more elements connected by bonds
- subunit of which nucleic acids are composed; made up of a 5 carbon sugar, a phosphate group, and a nitrogenous base
- reactant of an enzyme- catalyzed reaction
- energy that is needed to get a reaction started
- molecules composed of many monomers makes up macromolecules
- negatively charged particle that orbits the nucleus in the electron cloud
- substance that speeds up the rate of a chemical reaction
- pure substance that consists entirely of one type of atom
- basic unit of life
- type of bond between atoms in which the electrons are shared
- the number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table
- substance formed as a chemical reaction
- equal to the total number of protons and neutrons in the nucleus of an atom
- a reaction that releases energy
- small chemical unit that makes up a polymer
- the center of an atom, which contains the protons and neutrons
Down
- a reaction that absorbs energy
- compound made up of carbon, hydrogen, and oxygen atoms, type of nutrient that is the major source of energy for the body
- macromolecule made up of amino acids
- macromolecule made mostly from carbon and hydrogen atoms; includes fats, oils, and waxes
- compound with an amino group on one end and a carboxyl group on the other end
- elements or compounds that enter into a chemical reaction
- electron found in the outermost shell of an atom; helps to determine bonding
- particle found in the nucleus that has no charge
- biological catalyst
- process that changes, or transforms, one set of chemicals into another set of chemicals
- one or two letter abbreviation for a chemical element name
- macromolecules containing hydrogen, oxygen, nitrogen, carbon, and phosphorous
- positively charged particle found in the nucleus of an atom
30 Clues: basic unit of life • biological catalyst • a reaction that absorbs energy • a reaction that releases energy • macromolecule made up of amino acids • substance formed as a chemical reaction • reactant of an enzyme- catalyzed reaction • small chemical unit that makes up a polymer • a large organic molecule made up of many atoms • energy that is needed to get a reaction started • ...
Biology Unit 2 Vocab 2021-09-29
Across
- biological catalysts
- particle found in the nucleus that has no charge
- a reaction that releases energy (gives off heat)
- one- or two-letter abbreviation for a chemical element name
- macromolecules containing hydrogen, oxygen, nitrogen, carbon, and phosphorus
- reactant of an enzyme-catalyzed reaction
- positively charged particle found in the nucleus of an atom
- macromolecule made mostly from carbon and hydrogen atoms; includes fats, oils, and waxes
- subunit of which nucleic acids are composed; made up of a 5-carbon sugar, a phosphate group, and a nitrogenous base
- compound made up of carbon, hydrogen, and oxygen atoms; type of nutrient that is the major source of energy for the body
- small chemical unit that makes up a polymer
- type of bond between atoms in which the electrons are shared
- compound with an amino group on one end and a carboxyl group on the other end
- pure substance that consists entirely of one type of atom
- substance formed as a result of a chemical reaction
Down
- energy that is needed to get a reaction started
- a reaction that absorbs energy (absorbs heat)
- the number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table (also equals the number of electrons in an element)
- negatively charged particle that orbits the nucleus in the electron cloud
- substance that speeds up the rate of a chemical reaction
- electron found in the outermost shell of an atom; helps to determine bonding
- process that changes, or transforms, one set of chemicals into another set of chemicals
- (chemistry definition) the center of an atom, which contains the protons and neutrons
- a combination of 2 or more elements connected by bonds
- macromolecule made up of amino acids
- a large organic molecule made up of many atoms (like proteins)
- the basic unit of matter
- elements or compounds that enter into a chemical reaction
- molecules composed of many monomers; makes up macromolecules
- equal to the total number of protons and neutrons in the nucleus of an atom (based on isotopes)
30 Clues: biological catalysts • the basic unit of matter • macromolecule made up of amino acids • reactant of an enzyme-catalyzed reaction • small chemical unit that makes up a polymer • a reaction that absorbs energy (absorbs heat) • energy that is needed to get a reaction started • particle found in the nucleus that has no charge • ...
Unit 4 Crossword 2023-11-14
Across
- Formula giving proportions of elements present
- Chemical substance that neutralizes alkalis
- When acid and base react to form water and a salt
- Formula giving the number of atoms in element present
- Start of a chemical equation
- Reaction that starts with two compounds and elements in compond switch.
- End of a chemical equation
- Reaction where two elements are combined to a compound
Down
- Showing percentages of each element in a molecule.
- Molecule composed of only two atoms
- Substances that react with acids
- Reaction with one compound and element where element switches with element in compound
- Reactions where elements are taken apart
- Mass of given chemical element divided by amount of substance.
- Chemical formed from rxn between acid and base
- Figure expressing acidity on a scale
16 Clues: End of a chemical equation • Start of a chemical equation • Substances that react with acids • Molecule composed of only two atoms • Figure expressing acidity on a scale • Reactions where elements are taken apart • Chemical substance that neutralizes alkalis • Formula giving proportions of elements present • Chemical formed from rxn between acid and base • ...
Chemistry Vocab 2018-02-05
Across
- states that regardless of the multiple stages or steps of a reaction, the total enthalpy change for the reaction is the sum of all changes
- power derived from the utilization of physical or chemical resources, especially to provide light and heat
- the process of measuring the amount of heat released or absorbed during a chemical reaction
- the branch of chemistry concerned with the quantities of heat evolved or absorbed during chemical reactions
- the process or result of joining two or more things together to form a single entity
- the energy possessed by a body by virtue of its position relative to others, stresses within itself, electric charge, and other factors
- A unit of energy in the SI system. One joule is 1 kg. m2/s2 which is also 0.2390 calorie
- energy that an object possesses by virtue of being in motion
- a thermodynamic quantity equivalent to the total heat content of a system
- a reaction or process accompanied by the release of heat
- energy stored in the chemical bonds of a substance
Down
- energy cannot be created or destroyed, it can only be transformed from one form to another
- the degree or intensity of heat present in a substance or object
- of a reaction or process accompanied by or requiring the absorption of heat
- a phase transition from the liquid phase to vapor
- an apparatus for measuring the amount of heat involved in a chemical reaction or other process
- the energy needed to raise the temperature of 1 gram of water through 1 Β°C
- the measure of bond strength in a chemical bond
- a form of energy associated with the movement of atoms and molecules in any material
- heat the heat required to raise the temperature of the unit mass of a given substance by a given amount
20 Clues: the measure of bond strength in a chemical bond • a phase transition from the liquid phase to vapor • energy stored in the chemical bonds of a substance • a reaction or process accompanied by the release of heat • energy that an object possesses by virtue of being in motion • the degree or intensity of heat present in a substance or object • ...
Chemistry Vocab 2018-02-05
Across
- A unit of energy in the SI system. One joule is 1 kg. m2/s2 which is also 0.2390 calorie
- the degree or intensity of heat present in a substance or object
- energy that an object possesses by virtue of being in motion
- a form of energy associated with the movement of atoms and molecules in any material
- power derived from the utilization of physical or chemical resources, especially to provide light and heat
- a thermodynamic quantity equivalent to the total heat content of a system
- energy cannot be created or destroyed, it can only be transformed from one form to another
- a phase transition from the liquid phase to vapor
- the energy possessed by a body by virtue of its position relative to others, stresses within itself, electric charge, and other factors
- the energy needed to raise the temperature of 1 gram of water through 1 Β°C
- heat the heat required to raise the temperature of the unit mass of a given substance by a given amount
- an apparatus for measuring the amount of heat involved in a chemical reaction or other process
Down
- the process of measuring the amount of heat released or absorbed during a chemical reaction
- the measure of bond strength in a chemical bond
- energy stored in the chemical bonds of a substance
- states that regardless of the multiple stages or steps of a reaction, the total enthalpy change for the reaction is the sum of all changes
- the branch of chemistry concerned with the quantities of heat evolved or absorbed during chemical reactions
- of a reaction or process accompanied by or requiring the absorption of heat
- the process or result of joining two or more things together to form a single entity
- a reaction or process accompanied by the release of heat
20 Clues: the measure of bond strength in a chemical bond • a phase transition from the liquid phase to vapor • energy stored in the chemical bonds of a substance • a reaction or process accompanied by the release of heat • energy that an object possesses by virtue of being in motion • the degree or intensity of heat present in a substance or object • ...
Balancing equations and types of reactions 2025-11-18
Across
- β Reaction in which a compound breaks apart.
- β Reaction where substances combine to form one product.
- β Center of the atom where protons and neutrons are located
- β Reaction where one element replaces another.
- β smallest unit of an element
- β Starting substance in a reaction.
- β Reaction where two elements replace each other.
Down
- β Reaction in which carbon compound and oxygen produce CO2 and H2O.
- β Number placed before a formula to balance an equation.
- β subatomic particle with no charge
- β subatomic particle with positive charge
- β subatomic particle with negative charge
- β States that matter is not created or destroyed.
- β Equation with equal numbers of atoms on both sides.
- β representation of the chemical composition of a substance
- β Substance formed from a chemical reaction.
16 Clues: β smallest unit of an element • β subatomic particle with no charge • β Starting substance in a reaction. • β subatomic particle with positive charge • β subatomic particle with negative charge • β Reaction in which a compound breaks apart. • β Substance formed from a chemical reaction. • β Reaction where one element replaces another. • ...
Balancing equations and types of reactions 2025-11-18
Across
- β Reaction in which a compound breaks apart.
- β Reaction where substances combine to form one product.
- β Center of the atom where protons and neutrons are located
- β Reaction where one element replaces another.
- β smallest unit of an element
- β Starting substance in a reaction.
- β Reaction where two elements replace each other.
Down
- β Reaction in which carbon compound and oxygen produce CO2 and H2O.
- β Number placed before a formula to balance an equation.
- β subatomic particle with no charge
- β subatomic particle with positive charge
- β subatomic particle with negative charge
- β States that matter is not created or destroyed.
- β Equation with equal numbers of atoms on both sides.
- β representation of the chemical composition of a substance
- β Substance formed from a chemical reaction.
16 Clues: β smallest unit of an element • β subatomic particle with no charge • β Starting substance in a reaction. • β subatomic particle with positive charge • β subatomic particle with negative charge • β Reaction in which a compound breaks apart. • β Substance formed from a chemical reaction. • β Reaction where one element replaces another. • ...
Atoms Elements and Compounds 2025-05-02
Across
- a list of all the elements
- atoms of elements joined together
- starting chemicals in a chemical reaction
- a column in the periodic table
- the name for group 7
- shiny substances usually solid-on right of periodic table
- where compound are made
- the tiny particle that makes up all substances
Down
- the compound made from sodium and chlorine
- the name for group 1
- compound made from lithium,nitrogen & oxygen
- a substance made up of only one type of atom
- can be solid liquid or gas-on left of periodic table
- how to describe a chemical reaction
- new chemical substances made in chemical reaction
- a row in the periodic table
16 Clues: the name for group 1 • the name for group 7 • where compound are made • a list of all the elements • a row in the periodic table • a column in the periodic table • atoms of elements joined together • how to describe a chemical reaction • starting chemicals in a chemical reaction • the compound made from sodium and chlorine • compound made from lithium,nitrogen & oxygen • ...
Energy and Enzymes Crossword 2022-09-11
Across
- Mrs. Dreiske's favorite student and the creator of this crossword
- Adebosine triphodphste
- What a catalyst reacts apon
- a chemical reaction that breakes polomers into monomers and ATP
- TYpe of energy that refers to energy that is in motion
- Metablism that helps with with growth and support
- Things that cause Enzymes not to work
- Energy that is needed to start a chemical reacion
Down
- A reaction that absorbs energy
- an inhibitor that thakes the place of a substrate to stop a reaction
- Substance that increases the rate of a chemical reaction
- Metobolism that helps with digestion
- Term that refers to how enzymes fit with Substrates
- Type of reaction that builds polomers
- A protien that acts as a catalyst to maintain homeostasis
15 Clues: Adebosine triphodphste • What a catalyst reacts apon • A reaction that absorbs energy • Metobolism that helps with digestion • Type of reaction that builds polomers • Things that cause Enzymes not to work • Metablism that helps with with growth and support • Energy that is needed to start a chemical reacion • Term that refers to how enzymes fit with Substrates • ...
Energy and Enzymes Crossword 2022-09-11
Across
- Mrs. Dreiske's favorite student and the creator of this crossword
- Adebosine triphodphste
- What a catalyst reacts apon
- a chemical reaction that breakes polomers into monomers and ATP
- TYpe of energy that refers to energy that is in motion
- Metablism that helps with with growth and support
- Things that cause Enzymes not to work
- Energy that is needed to start a chemical reacion
Down
- A reaction that absorbs energy
- an inhibitor that thakes the place of a substrate to stop a reaction
- Substance that increases the rate of a chemical reaction
- Metobolism that helps with digestion
- Term that refers to how enzymes fit with Substrates
- Type of reaction that builds polomers
- A protien that acts as a catalyst to maintain homeostasis
15 Clues: Adebosine triphodphste • What a catalyst reacts apon • A reaction that absorbs energy • Metobolism that helps with digestion • Type of reaction that builds polomers • Things that cause Enzymes not to work • Metablism that helps with with growth and support • Energy that is needed to start a chemical reacion • Term that refers to how enzymes fit with Substrates • ...
SSI Final #6 2023-05-31
Across
- Law of Action/Reaction
- 3 or more alleles determined phenotype of a trait
- cooler air, clockwise rotation, sinking air
- Materials before chemical reaction occurs
- A part of an Atom with a negative charge
- Compounds that exist after chemical reaction
- ______ reaction will absorb energy
- Law of Acceleration
- 2 surfaces sliding past each other
- One single copy of DNA in a chromosome
Down
- Made of DNA and Proteins and found during cell reproduction
- Both dominant alleles are expressed
- Warmer air, counter-clockwise rotation, rising air
- 2 surfaces not moving past each other
- ______ reaction will release energy in the form of heat
- A part of an Atom with a positive charge
- Acquired trait that can't be passed on
- Genetics passed on
18 Clues: Genetics passed on • Law of Acceleration • Law of Action/Reaction • ______ reaction will absorb energy • 2 surfaces sliding past each other • Both dominant alleles are expressed • 2 surfaces not moving past each other • Acquired trait that can't be passed on • One single copy of DNA in a chromosome • A part of an Atom with a negative charge • ...
Group 2 Biology 2013-01-14
Across
- Macromolecule made of monomers linked together
- Formed by process known as polymerization
- Deoxyribonucleic acid, where the instructions for arranging amino acids into different proteins are stored.
- Process that changes one set of chemicals into another set of chemicals
- 3 parts- phosphate group, 5 carbon sugar, and nitrogenous base
- Ribonucleic acid, contains coded information to produce proteins
- Proteins that act as biological catalysts
- Assembled by nucleotides, store and transmit genetic information (CHONP)
- Study of all compounds that contain bonds between carbon atoms
- Store energy, important part of biological membranes and waterproof coverings (CH)
- Chemical substance formed as a result of a chemical reaction
- Living things store extra sugar as complex carbohydrates known as ---??
Down
- At least one carbon-carbon double bond in a fatty acid
- Reactants of enzyme-catalyzed reactions
- Lipids whose fatty acids contain more than one double bond.
- Compounds with an amino group (-NH2) on one end and a carboxyl group (-COOH) on the other
- Energy that is needed to get a reaction started
- Small units that join together to form a polymer
- Polymer of a carbohydrate formed by bonding several monosaccharides
- Single sugar molecules
- Substance that speeds up the rate of a chemical reaction
- Chemical substance that is present at the start of a chemical reaction
- Portion of each amino acid that is different is a side chain
- Assembled by amino acids, control rates of reactions, form structures, transport substances, and help fight disease (CHON)
- Main source of energy for living things and structure (CHO 1:2:1)
25 Clues: Single sugar molecules • Reactants of enzyme-catalyzed reactions • Formed by process known as polymerization • Proteins that act as biological catalysts • Macromolecule made of monomers linked together • Energy that is needed to get a reaction started • Small units that join together to form a polymer • At least one carbon-carbon double bond in a fatty acid • ...
Thermochemistry 2023-04-25
Across
- When energy is given off from the reaction, the delta H is?
- What is heat when given off as a product of the reaction?
- What is heat when added to the reaction as a reactant?
- What is a biological catalyst that speeds up the rate of a reaction?
- What is the measure of the average kinetic energy of the particle?
- What is the point on a phase diagram in which two phases of a substance?
- the amount of heat/ energy to raise 1 gram of a substance by 1.
- What is the change in heat of the products from the reactants
- What is the translation of a substance directly from solid to gas?
- What is heat measured in?
- What are reactions that release heat?
- All chemical reactions involve a change in what?
Down
- What is the total amount of energy; movement?
- What is the study of how heat is converted to any form of energy?
- What are reactions that require an input of energy
- What is a substance that speeds up a chemical reaction?
- What is the translation of a substance directly from gas to solid?
- What is an example of sublimation?
- When energy is added for the reaction to occur, the delta H is?
- What is the minimum amount of energy that must be applied to a system to initiate a chemical Reaction?
20 Clues: What is heat measured in? • What is an example of sublimation? • What are reactions that release heat? • What is the total amount of energy; movement? • All chemical reactions involve a change in what? • What are reactions that require an input of energy • What is heat when added to the reaction as a reactant? • What is a substance that speeds up a chemical reaction? • ...
Claire Conrad chapter 5 2016-10-09
Across
- chemical that accepts a hydrogen ion.
- a polyatomic ion made by adding a proton to water molecule.
- number in front of a chemical or chemical compound.
- opposite of synthesis.
- the energy stored in molecules that can release during a reaction.
- substance that is a result of the chemical product.
Down
- must be added to break bonds.
- any substance that increases the rate of a chemical reaction without itself being consumed by the reaction.
- no plus sign on the product side(A+B=C).
- energy is transfered to reactants from surroundings(cool).
- a chemical that donates a hydrogen ion.
- A polyatomic ion made by removing a proton (hydrogen ion) form a water molecule.
- when reactions and its reverse act at the same rate.
- a substance that undergoes a chemical change.
- energy transfers from reactants to surroundings(heat).
15 Clues: opposite of synthesis. • must be added to break bonds. • chemical that accepts a hydrogen ion. • a chemical that donates a hydrogen ion. • no plus sign on the product side(A+B=C). • a substance that undergoes a chemical change. • number in front of a chemical or chemical compound. • substance that is a result of the chemical product. • ...
chemistry 1 2019-03-18
Across
- unstable physical mixtures of undissolved particles in a liquid
- a change in form of physical properties of a substance without a chemical reaction or the creation of a new substance
- substance that releases oxygen
- a chemical combination of two or more atoms in definite proportions
- a chemical reaction in which the oxidizing agent is reduced and the reducing agent is oxidized
- a chemical combination of matter in definite proportions
- a chemical reaction that combines a substance with oxygen to produce an oxide
- a physical combination of matter in any proportion
- a stable physical mixture of two or more substances
- characteristics that can be determined without a chemical reaction and do not cause a chemical change in the substance
- subatomic particles with a positive charge
- subatomic particles with no charge
- any substance that occupies spaces spaces and has mass
- the substance that dissolves the solute and makes it a solution
Down
- special type of oil used in hair conditioners water resistant lubricants for the skin and nail polish dryers
- the measure of the acidity an alkalinity of a substance
- the study of substances that contain the element carbon
- multiples of ten
- liquids that are mutually soluble meaning that they can be mixed together to form stable solutions
- a colorless liquid or white crystals with a strong unpleasant odor that is used in permanent waving solutions
- oil droplets emulsified in water
- the quantity of hydrogen ions
- alcohols that evaporate easily
- the concentration of surface active agents
- a substance that adds hydrogen to a chemical compound or subtracts oxygen from the compound
- the substance that is dissolved in a solution
- the three different physical forms of matter
27 Clues: multiples of ten • the quantity of hydrogen ions • substance that releases oxygen • alcohols that evaporate easily • oil droplets emulsified in water • subatomic particles with no charge • the concentration of surface active agents • subatomic particles with a positive charge • the three different physical forms of matter • the substance that is dissolved in a solution • ...
