chemical reaction Crossword Puzzles
levi moore chapter 13 2016-10-12
Across
- A polyatomic ion made by adding a proton to a water molecule
- A substance that accepts hydrogen ions
- Description of a solution in which the hydroxide ion concentration
- 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
- The process by which a reactant loses on or more electrons
Down
- A substance that donates hydrogen ions
- The minimum energy required in order for a chemical reaction
- A rapid exothermic oxidation reducing reaction between material
- The deterioration of a metal, typically caused by atmospheric oxygen
- Any substance that increases the rate of a chemical reaction
11 Clues: A substance that donates hydrogen ions • A substance that accepts hydrogen ions • The process by which a reactant loses on or more electrons • The minimum energy required in order for a chemical reaction • A polyatomic ion made by adding a proton to a water molecule • Any substance that increases the rate of a chemical reaction • ...
perfect 10 2023-02-28
Across
- a number places in front of a chemical symbol or formula\
- a measure of how much a substance reacts when it is mixed with another substance
- a substance that is present at the end of a chemical reaction
- A substance that slows down a chemical or corrsion reaction
- occurs when elements switch places in compounds.
Down
- system does not allow matter to rnter or leave,but does allow energy to enter ot leave.
- Reaction When energy is trandferred to the surroundings
- the process of increasing the rate of a chemical reaction by adding a substance know as a catayst.
- To bring about espcilly abruptly
- of mass a principle stating the mass cannot be created or dystoryed
10 Clues: To bring about espcilly abruptly • occurs when elements switch places in compounds. • Reaction When energy is trandferred to the surroundings • a number places in front of a chemical symbol or formula\ • A substance that slows down a chemical or corrsion reaction • a substance that is present at the end of a chemical reaction • ...
Lane Schoendorf chapter 13 crossword 2019-02-25
Across
- the new materials formed in a chemical reaction
- a substance that donates hydrogen ions
- a substance that accepts hydrogen ions
- the process by which a reactant loses one or more electrons
- description of a substance that can behave as either an acid or base
- description of a chemical reaction in which there is a net absorption of energy
Down
- the deterioration of a metal, typically caused by atmospheric oxygen
- the minimum energy required in orger for a chemical reaction to proceed
- description of a solution in which the hydroxide ion concentration is higher than the hydronium ion concentration
- description of a chemical reaction in which there is a net release of energy
10 Clues: a substance that donates hydrogen ions • a substance that accepts hydrogen ions • the new materials formed in a chemical reaction • the process by which a reactant loses one or more electrons • the deterioration of a metal, typically caused by atmospheric oxygen • description of a substance that can behave as either an acid or base • ...
Chemical Reactions 2026-03-24
Across
- – A reaction that releases energy to the surroundings, making things feel hotter.
- – A reaction where a substance gains oxygen, like rust forming on iron.
- profile – A diagram that shows how the energy changes during a chemical reaction.
- – A reaction where a more reactive metal pushes out a less reactive metal from its compound.
Down
- combustion – Burning that happens with too little oxygen, making carbon monoxide or soot.
- – A chemical reaction where a fuel burns in oxygen to release heat and light.
- reaction – A change that forms new substances with different properties.
- – A reaction that absorbs energy from the surroundings, making things feel colder.
- reaction – A change where no new substance is made, like melting or dissolving.
9 Clues: – A reaction where a substance gains oxygen, like rust forming on iron. • reaction – A change that forms new substances with different properties. • – A chemical reaction where a fuel burns in oxygen to release heat and light. • reaction – A change where no new substance is made, like melting or dissolving. • ...
Biology 2020-12-06
Across
- Distorts what is seen and perceived
- needle like ever green plants
- A drug derived from poppies
- Process by which plant make Food
- Inhalation of chemical through cigarette
- Chemical extracted from poppies
- animal with back bones
- plants with spores on the underside
- Speeds up nervous system
- People who inhale solvents
- A chemical found in cigarette
Down
- Addictive chemical found in cigarette
- A depressant drug
- Process of water passing through a membrane
- A respiratory disease
- Ocean specie
- Misuse
- Drug that lengthens reaction at the synapse
- very powerful stimulant drug
- Drugs that gives noxious fumes
- Drug that infects the lungs
21 Clues: Misuse • Ocean specie • A depressant drug • A respiratory disease • animal with back bones • Speeds up nervous system • People who inhale solvents • A drug derived from poppies • Drug that infects the lungs • very powerful stimulant drug • needle like ever green plants • A chemical found in cigarette • Drugs that gives noxious fumes • Chemical extracted from poppies • ...
Class 10 Chapter 1 2024-04-11
Across
- the name of the gas formed when zinc granules reacts with hydrochloric acid
- the type of reaction that occurs when iron reacts with copper sulphate
- the number of moles of magnesium used during the reaction of magnesium burning in oxygen
- the name of the white solid formed when calcium hydroxide reacts with carbon dioxide
- the term used to describe decomposition by electricity
- the chemical name for the compounds commonly used for white washing
- the colour of ferrous sulphate before decomposition
- the gas produced when potassium chlorate is decomposed
Down
- the type of reaction that occurs when an acid and base form salt and water
- the gas formed when hydrogen gas and chlorine gas react with each other
- the colour of the residue after lead nitrate is decomposed
- the colour of the residue after decomposition of ammonium dichromate
- the solid product which separates out from the solution during a chemical reaction
- the gas formed when nitrogen reacts with hydrogen
- the type of reaction seen when there is an increase in the temperature of the reaction
15 Clues: the gas formed when nitrogen reacts with hydrogen • the colour of ferrous sulphate before decomposition • the term used to describe decomposition by electricity • the gas produced when potassium chlorate is decomposed • the colour of the residue after lead nitrate is decomposed • the chemical name for the compounds commonly used for white washing • ...
8.1.5 Vocabulary 2024-09-02
Across
- - representation of a chemical reaction using chemical symbols, subscripts, and coefficients
- - to produce
- system - a system in which matter and energy exchanges do not occur across boundaries
- - according to the law _____ cannot be created or destroyed
- - elements or compounds that enter into a chemical reaction
- system - a system in which exchanges of matter or energy occur across system boundaries
Down
- - elements or compounds produced by a chemical reaction
- - number in front of a chemical formula in an equation; how many molecules or atoms of each reactant and product are involved in a reaction
- - number written slightly below and to the right of a chemical symbol; how many atoms of an element are in a compound
9 Clues: - to produce • - elements or compounds produced by a chemical reaction • - according to the law _____ cannot be created or destroyed • - elements or compounds that enter into a chemical reaction • system - a system in which matter and energy exchanges do not occur across boundaries • ...
DC Bio 2013-08-22
Across
- formed in a chemical reaction.
- bond in which two atoms are linked through sharing electrons.
- number protons in the nucleus of an atom.
- difference in electrical charge at one end of a molecule, as compared to the other.
- substance that goes into a chemical reaction.
Down
- a chemical reaction, matter can neither be created nor destroyed.
- of an atom, possessing no electrical charge.
- of covalent bond formed when two pairs of electrons are shared between two atoms.
- bond that links an already covalently bonded hydrogen atom with a second; relatively electronegative atom.
- linkage in which two or more ions are bonded to each other by virtue of their opposite charge.
- atom that has positive or negative charge because it has fewer or more electrons than protons.
- of element defined by the number of neutrons contained in its nucleus.
12 Clues: formed in a chemical reaction. • number protons in the nucleus of an atom. • of an atom, possessing no electrical charge. • substance that goes into a chemical reaction. • bond in which two atoms are linked through sharing electrons. • a chemical reaction, matter can neither be created nor destroyed. • ...
Types of Reaction 2024-05-06
Across
- A chemical reaction involving the breaking of a bond in a molecule using water.
- Gradual damage or deterioration of materials due to chemical reactions.
- Two or more substances combine to form a single product.
- Development of bad smell and taste in fats and oils due to oxidation.
- Development of bad smell and taste in fats and oils due to oxidation.
- Formation of solid particles from the mixing of two solutions.
- A reaction involving the transfer of electrons between reactants, resulting in changes in oxidation states.
- A single compound breaks down into two or more simpler substances.
- The reaction between an acid and a base to form water and a salt.
- A substance that causes another substance to lose electrons, undergoing reduction itself.
Down
- A compound breaks down into simpler substances due to heat.
- A reaction that is triggered or facilitated by light energy.
- An element or ion moves out of one compound and into another.
- When a substance gains electrons during a reaction.
- Gradual damage or deterioration of materials due to chemical reactions.
- A substance that causes another substance to gain electrons, undergoing oxidation itself.
- When a substance loses electrons during a reaction.
17 Clues: When a substance gains electrons during a reaction. • When a substance loses electrons during a reaction. • Two or more substances combine to form a single product. • A compound breaks down into simpler substances due to heat. • A reaction that is triggered or facilitated by light energy. • An element or ion moves out of one compound and into another. • ...
levi moore chapter 13 2016-10-12
Across
- The process by which a reactant loses on or more electrons
- A substance that accepts hydrogen ions
- The deterioration of a metal, typically caused by atmospheric oxygen
- A polyatomic ion made by adding a proton to a water molecule
- Any substance that increases the rate of a chemical reaction
- A substance that donates hydrogen ions
Down
- The minimum energy required in order for a chemical reaction
- Description of a chemical reaction in which there is a net release of energy
- A rapid exothermic oxidation reducing reaction between material
- Description of a solution in which the hydroxide ion concentration
- Description of a solution in which the hydronium ion concentration is higher than the hydroxide ion
11 Clues: A substance that accepts hydrogen ions • A substance that donates hydrogen ions • The process by which a reactant loses on or more electrons • The minimum energy required in order for a chemical reaction • A polyatomic ion made by adding a proton to a water molecule • Any substance that increases the rate of a chemical reaction • ...
Chemistry Unit Review 2017-02-10
Across
- Gasses that will not react with anything
- The biggest part of the atom, contains protons and neutrons
- The letters we use to show a certain element
- The steps of the shells of atoms that electrons spin on
- How many protons and electrons an atom has
- Has properties of both metals and nonmetals
- Matter cannot be create
- What is created in a chemical reaction
- Positively charged particle, in the nucleus of an atom
- Negatively charged particle, makes up the shell of an atom
- A mixture of different atoms
- Neutral particle, in the nucleus of an atom
- When a reaction creates energy (heat)
Down
- Column of the periodic table
- A group of atoms that are bonded together
- How massive an atom is
- An electron in the outermost shell of an atom
- The inventor of the modern periodic table
- When a reaction pulls in energy (cold)
- A collection of a single type of atom
- Dull, brittle, and non conductive
- One particle of an element
- Shiny, ductile, and malleable
- Row on the periodic table
- What is put into a chemical reaction
25 Clues: How massive an atom is • Matter cannot be create • Row on the periodic table • One particle of an element • Column of the periodic table • A mixture of different atoms • Shiny, ductile, and malleable • Dull, brittle, and non conductive • What is put into a chemical reaction • A collection of a single type of atom • When a reaction creates energy (heat) • ...
U11 Acid/Base Crossword! 2024-05-13
Across
- A reaction between an acid and a base.
- This ion is formed when a proton is added to a water molecule.
- It ranges from 0 to 14, indicating acidity or basicity.
- This substance changes color in response to a change in pH.
- A substance that donates a proton in a chemical reaction.
- The process by which water molecules spontaneously ionize into ions.
- A solution that resists changes in pH.
- A measure of the acidity or basicity of a solution.
- Two species related by the transfer of a proton.
- A technique used to determine the concentration of a solution.
Down
- The point at which an indicator changes color in a titration.
- A solution with a pH greater than 7.
- A substance that completely dissociates into ions in solution.
- It's a negatively charged ion characteristic of basic solutions.
- Substances that can act as both acids and bases.
- The point in a titration where reaction is stoichiometrically complete.
- The process by which ionic compounds separate into ions.
- A substance that only partially dissociates into ions in solution.
- A measure of the concentration of hydroxide ions.
- A substance that accepts a proton in a chemical reaction.
20 Clues: A solution with a pH greater than 7. • A reaction between an acid and a base. • A solution that resists changes in pH. • Substances that can act as both acids and bases. • Two species related by the transfer of a proton. • A measure of the concentration of hydroxide ions. • A measure of the acidity or basicity of a solution. • ...
Unit 4 Vocab Terms 2021-12-13
Across
- Shorthand representation of compound
- chemical reaction between substances, usually including oxygen and usually accompanied by the generation of heat and light
- Negative charged ion
- Positive charged ion
- chemical reaction in which one element is replaced by another in a compound.
- rule Elements are stable with a full outer shell
Down
- artificial execution of chemical reactions to obtain one or several products
- process or effect of simplifying a single chemical entity into two or more fragments
- force that holds atoms together
- Chemical process involving the exchange of bonds between two reacting chemical species
- Many atom groups
11 Clues: Many atom groups • Negative charged ion • Positive charged ion • force that holds atoms together • Shorthand representation of compound • rule Elements are stable with a full outer shell • artificial execution of chemical reactions to obtain one or several products • chemical reaction in which one element is replaced by another in a compound. • ...
Chemistry 2024-09-01
Across
- A homogeneous mixture of two or more substances
- Type of bond formed by the transfer of electrons
- Substance that speeds up a chemical reaction without being consumed
- State where the concentrations of reactants and products remain constant over time
- Process in which one or more substances are converted into new substances
- A solid that forms and settles out of a liquid mixture
- A reaction that releases heat
- Atoms of the same element with different numbers of neutrons
- Process of converting a liquid to a gas
- Substance in which a solute is dissolved
- A subatomic particle with no charge, found in the nucleus
Down
- A way to express the concentration per litre of solution
- Bond formed by the sharing of electron pairs between atoms
- Element with atomic number 8
- Central core of an atom
- Tendency of an atom to attract a bonding pair of electrons
- An ionic compound formed by the neutralization reaction of an acid and a base
- A negatively charged subatomic particle
- The smallest particle of a chemical element that can exist
- Amount of substance containing as many particles as there are atoms in 12 g of carbon-12
20 Clues: Central core of an atom • Element with atomic number 8 • A reaction that releases heat • A negatively charged subatomic particle • Process of converting a liquid to a gas • Substance in which a solute is dissolved • A homogeneous mixture of two or more substances • Type of bond formed by the transfer of electrons • A solid that forms and settles out of a liquid mixture • ...
Thermochemistry 2024-06-05
Across
- The heat of ____, equation used for freezing/melting
- J or the SI unit of heat and energy
- On graphs showing exothermic and endothermic reaction what is on the right/end of the graph?
- During chemical reactions and physical changes of state what is the study of the heat changes occurring called?
- The ability to do work or transfer heat
- H is positive in this reaction
- The heat of ____, equation used for boiling/condensation
- What temperature is measured with
- Heat flows from these types of objects to cooler objects
- As this increases for an object, the heat capacity is greater
- Potential and _____ energy
- What heat absorbed or released is measured with
Down
- The difference between a Calorie and a calorie
- The process of liquid to gas
- Law of conservation of mass or energy states: energy is neither created nor ______.
- On graphs showing exothermic and endothermic reactions what is on the left/beginning of the graph?
- Calorimetry measures the change in this for chemical and physical processes
- Heat of the surroundings with exothermic reaction
- H is negative in this reaction
- The way energy is detected
20 Clues: The way energy is detected • Potential and _____ energy • The process of liquid to gas • H is positive in this reaction • H is negative in this reaction • What temperature is measured with • J or the SI unit of heat and energy • The ability to do work or transfer heat • The difference between a Calorie and a calorie • What heat absorbed or released is measured with • ...
Unit 3: Chemical Reactions 2018-12-20
Across
- A number written after & below an element symbol.
- Another word for soluble (aq)
- (l)
- The total mass of the reactants must ______________ the total mass of the products.
- The elements & compounds on the left side of the arrow.
- The type of reaction that breaks apart 1 compound into 2 or more smaller compounds.
- The big number in front of a chemical formula.
- A number written after & above an element symbol.
- _____________ replacement: The type of reaction where an element reacts with a compound and takes the place of another element in that compound.
- The elements & compounds on the left side of the arrow.
- (g)
Down
- Not able to be dissolved.
- (s)
- The type of reaction where a compound and an oxidant is reacted to produce heat and a new product.
- The Law of Conservation of Mass says that both sides of a chemical equation must be ____________.
- _____________ replacement: The type of reaction where two compounds react, and the positive ions (cation) and the negative ions (anion) of the two reactants switch places, forming two new compounds or products.
- The type of reaction that combines 2 elements or compounds into 1 compound.
- A molecule that, when written by itself, needs a subscript of 2.
- The formation of a solid in a liquid.
- able to be dissolved.
20 Clues: (s) • (l) • (g) • able to be dissolved. • Not able to be dissolved. • Another word for soluble (aq) • The formation of a solid in a liquid. • The big number in front of a chemical formula. • A number written after & below an element symbol. • A number written after & above an element symbol. • The elements & compounds on the left side of the arrow. • ...
Photosynthesis 2023-02-16
Across
- Energy that has 3 phosphate groups
- The green, light-absorbing pigment
- The main type of energy in ATP
- The main way energy is gained
- Where photosynthesis takes places
- A reaction that has 6 molecules
- One product of photosynthesis
- The energy product from photosynthesis
- Beings that need to eat autotrophs
- The main source of light
- This is where energy is stored
Down
- Beings that make their own food
- Reaction that creates ATP
- The best science teacher
- A process to create energy
- One of the reacts/inputs
- The product of the first step in photosynthesis
- energy that has 2 phosphate groups
- This comes in forms of light, mechanical,and chemical
- Best light for photosynthesis
20 Clues: The best science teacher • One of the reacts/inputs • The main source of light • Reaction that creates ATP • A process to create energy • The main way energy is gained • One product of photosynthesis • Best light for photosynthesis • The main type of energy in ATP • This is where energy is stored • Beings that make their own food • A reaction that has 6 molecules • ...
S&S Chemistry 7 2021-07-25
Across
- reaction that is dependent on one reactant.
- electron rich atom or molecule.
- reaction dependent on two reactants.
- non-superimposable mirror-image molecules.
- reaction with a negative Gibbs free energy.
- reaction with a positive Gibbs free energy.
- heat given off or absorbed during reaction.
Down
- available energy in a chemical reaction.
- on opposite sides of a double bond.
- gain of electron by an atom or molecule.
- describes a system at equilibrium.
- on the same side of a double bond.
- electron-deficient atom or molecule.
- loss of electron by an atom or molecule.
- measure of the freedom of motion in a system.
15 Clues: electron rich atom or molecule. • describes a system at equilibrium. • on the same side of a double bond. • on opposite sides of a double bond. • reaction dependent on two reactants. • electron-deficient atom or molecule. • available energy in a chemical reaction. • gain of electron by an atom or molecule. • loss of electron by an atom or molecule. • ...
Types of Reaction 2024-05-16
Across
- Reaction which uses energy
- Decomposition reaction where electricity is passed
- Process of the slow deterioration of metals
- A reaction where more reactive element displaces a less reactive element
- A reaction where both oxidation and reduction is involved
- When 2 elements have been exchanged in a chemical reaction
- Decomposition reaction where sunlight is absorbed
- Break down of compound into 2 or more substance when heat energy is released
Down
- A reaction where oxygen is removed
- CaO(s)+H2O(I)-Ca(OH)2(aq)
- Reaction which releases heat
- when 2 or more substance combine to form a single new compound
- Oxidation of oil and fat makes it taste bad and old
- When iron corrodes when exposed to moisture and gets covered with red flaky substance called
- Insoluble solid that emerges from a liquid solution
- A reaction which involves addition of oxygen from a substance is called
16 Clues: CaO(s)+H2O(I)-Ca(OH)2(aq) • Reaction which uses energy • Reaction which releases heat • A reaction where oxygen is removed • Process of the slow deterioration of metals • Decomposition reaction where sunlight is absorbed • Decomposition reaction where electricity is passed • Oxidation of oil and fat makes it taste bad and old • ...
VSPB key words 2013-12-18
Across
- Location of VSPB's lab in Uganda
- Vector for CCHF virus
- Proteins which play a role in cell-to-cell interactions
- Antibody that appears during acute or onset phase of illness
- blah blah blah
- Type of vaccine
- Polymerase chain reaction (abbrv.)
- Antibody that appears after acute or onset phase of illness
- Famous nasty virus
- Suspect ____
- Acronym for biosafety level
- spins stuff
- Hantavirus pulmonary ____
Down
- blah blah blah
- A substance or compound that brings about a chemical reaction
- Tissue needs good ___________ for successful transplantation.
- Another name for freeze-drying
- Substance that shreds RNA and DNA
- Enzyme-linked immunosorbent assay
- Deer ____ (common carrier of hantavirus)
- Chemical messengers facilitating communication between cells
- Oven for sterilization
- ____ scanner
23 Clues: spins stuff • ____ scanner • Suspect ____ • blah blah blah • blah blah blah • Type of vaccine • Famous nasty virus • Vector for CCHF virus • Oven for sterilization • Hantavirus pulmonary ____ • Acronym for biosafety level • Another name for freeze-drying • Location of VSPB's lab in Uganda • Substance that shreds RNA and DNA • Enzyme-linked immunosorbent assay • ...
VSPB Key Words 2013-12-18
Across
- Cycle Threshold value (abbrv.)
- Vector for CCHF virus
- Deer _____ (common carrier of Hantavirus)
- spins stuff
- Acronym for biosafety level
- Tissue needs good _____ for successful transplantation.
- Substance that shreds RNA and DNA
- Famous nasty virus
- Antibody that appears after acute or onset phase of illness
- A substance or compound that brings about a chemical reaction
Down
- Chemical messengers facilitating communication between cells
- Location of VSPB lab in Uganda
- Polymerase chain reaction
- Suspect _____
- Proteins which play a role in cell-to-cell interactions
- Another name for freeze-drying
- Type of vaccine
- Oven for sterilization
- Hantavirus pulmonary ______
- Antibody that appears during acute or onset phase of illness
- Enzyme-linked immunosorbent assay
- ____ scanner
22 Clues: spins stuff • ____ scanner • Suspect _____ • Type of vaccine • Famous nasty virus • Vector for CCHF virus • Oven for sterilization • Polymerase chain reaction • Acronym for biosafety level • Hantavirus pulmonary ______ • Cycle Threshold value (abbrv.) • Location of VSPB lab in Uganda • Another name for freeze-drying • Substance that shreds RNA and DNA • Enzyme-linked immunosorbent assay • ...
Chemistry Study Guide 2016-02-10
Across
- Center of an atom
- Everything contains these
- Each row
- Where electrons are
- Emits positive charge
- Combination of atoms
- Mass stays the same (5 words)
- Creates energy
- Used to make a chemical reaction
- Created periodic table (2 words)
- Everything is made of these
- Solid and maliable
- Emits negative charge
- Each column
- Brittle and non-maliable
Down
- Shortened version of elements
- Consumes energy
- How much each element weighs (2 words)
- Made from chemical reaction
- Metal bonded to a surface
- Electrons on outermost orbital (2 words)
- Shows what number each element is (2 words)
- Made of 2 atoms
- Emits neutral charge
- Semi-conductor of energy
- Won't mix with any elements (2 words)
26 Clues: Each row • Each column • Creates energy • Consumes energy • Made of 2 atoms • Center of an atom • Solid and maliable • Where electrons are • Combination of atoms • Emits neutral charge • Emits positive charge • Emits negative charge • Semi-conductor of energy • Brittle and non-maliable • Everything contains these • Metal bonded to a surface • Made from chemical reaction • ...
Unit 2 Gavinn Simons 2023-04-04
Across
- all the energy required to activate the reaction
- only allows some to pass through
- made up of organs
- movement of water molecule
- something thats living
- speeds up chemical reactions
- contains a phosphate group
- the movement of molecules acrossed the membrane
- make up an organism
- hates water
- released from the enzyme
Down
- combine to form organs
- what the substrate goes into
- the passive movement
- defines a chemical element
- a group of atoms bonded together
- loves water
- type of cellular transport
- basic units alive
- converted into something by the end of the reaction
- any structures within a living cell
- when the active site shape has changed
22 Clues: loves water • hates water • made up of organs • basic units alive • make up an organism • the passive movement • combine to form organs • something thats living • released from the enzyme • defines a chemical element • movement of water molecule • type of cellular transport • contains a phosphate group • what the substrate goes into • speeds up chemical reactions • ...
3.2 Key Terms 2021-04-26
Across
- a diagram of a reaction that allows you to compare the enthalpy of the reactants with the products (8, 7, 7)
- a reaction in which the enthalpy of the products is smaller than the enthalpy of the reactants (9)
- the quantitative study of energy change in a chemical reaction (11)
- the energy change that takes place when 1 mole of a substance is completely combusted, under standard conditions (8, 6, 2, 10)
- the energy required to raise 1g of a substance by 1K (8, 4, 8)
- the distribution of energies of molecules at a particular temperature, often shown as a graph (9, 12)
- states that the enthalpy change in a chemical reaction is independent of the route it takes (4, 3)
Down
- a reaction in which the enthalpy of the products is greater than the enthalpy of the reactants (10)
- a catalyst used in a reaction which is in the same phase as the reactant (10)
- a catalyst used in a reaction which is in a different phase to the reactants (12)
- exists in a closed system when the rate of the forward reaction is equal to the rate of the reverse reaction (7, 11)
- the energy change associated with the formation of 1 mole of water from a neutralisation reaction, under standard conditions (8, 6, 2, 9)
- the energy change that takes place when 1 mole of a compound is formed from its constituent elements in their standard state, under standard conditions (8, 6, 2, 9)
- the mean energy needed for 1 mole of a given type of gaseous bonds to undergo homolytic fission (7, 4, 8)
- the change in concentration of a reactant or product in a given time (4, 2, 8)
- the energy change associated with a given reaction (8, 6, 2, 8)
- when a system in dynamic equilibrium is subjected to a change, the position of equilibrium will shift to minimise the change (2, 10, 9)
- gives the position of where equilibrium lays, by giving the ratio between products and reactants (11, 8)
- the minimum energy required to start a reaction by breaking bonds in the reactants (10, 6)
19 Clues: the energy required to raise 1g of a substance by 1K (8, 4, 8) • the energy change associated with a given reaction (8, 6, 2, 8) • the quantitative study of energy change in a chemical reaction (11) • a catalyst used in a reaction which is in the same phase as the reactant (10) • the change in concentration of a reactant or product in a given time (4, 2, 8) • ...
Midterm Exam Keywords 2024-11-28
Across
- a representation or simplified description of a concept, object, or system used to explain or predict its behavior
- a reaction where a more reactive element displaces a less reactive element from its compound
- a mixture of indicators that shows the ph of a solution through a range of colors
- a substance made of only one type of atom (e.g., gold, oxygen)
- the smallest unit of an element that retains its chemical properties
- a substance formed as a result of a chemical reaction
- a summary of the results of an experiment, indicating whether the initial hypothesis or prediction was supported by the findings
- a substance that dissolves in a particular solvent
- a statement made about the expected outcome of an experiment, based on prior knowledge, observations, or hypotheses
- the property of a material that allows it to be shaped or deformed without breaking
- data or observations collected during an experiment that are used to support or refute a hypothesis or conclusion
- a reaction where an acid reacts with a base to produce water and a salt
- the process of energy transfer that occurs when a force is applied to an object, causing it to move; calculated as the product of force and displacement
- an insoluble solid formed during a chemical reaction in a solution
- the difference between the highest and lowest values in a set of data
- the temperature at which a substance changes from a liquid to a gas
- a combination of two or more substances that are not chemically bonded
- a mixture of metals or a mixture of a metal with another element to improve its properties
- a compound formed during the neutralization of an acid by a base
- the temperature at which a substance changes from a solid to a liquid
- a starting substance in a chemical reaction that undergoes change
- a substance with a ph of 7, neither acidic nor alkaline
- a homogeneous mixture of a solute dissolved in a solvent
- the removal of oxygen from a substance during a chemical reaction
- a substance that does not dissolve in a particular solvent
- the variable that is intentionally changed or manipulated in an experiment to observe its effect on the dependent variable
- the physical form of a substance, such as solid, liquid, or gas
- the transfer of thermal energy from a hotter object to a cooler one, resulting in a change in temperature
- standardized symbols used to indicate the specific risks associated with handling chemicals (e.g., corrosive, toxic, flammable)
- a representation of a compound using chemical symbols and numerical subscripts (e.g., h₂o for water)
- the temperature at which a substance changes from a liquid to a gas
- the temperature at which a liquid becomes a solid
Down
- the process where a liquid changes to a gas at its boiling point
- the process where a liquid changes to a solid at its freezing point
- relating to or resulting from motion; kinetic energy is the energy an object possesses due to its movement
- a property observed when a substance undergoes a chemical change (e.g., reactivity or flammability)
- a space devoid of matter, including air or other gases
- an indicator that turns red in acidic conditions and blue in alkaline conditions
- the likelihood of harm occurring from a hazard
- a substance made of two or more elements chemically bonded together
- a way of representing a chemical reaction using the names of the reactants and products (e.g., hydrogen + oxygen → water)
- the process by which energy spreads out and becomes less concentrated, often resulting in energy being lost to the surroundings, typically as heat
- a variable that is kept constant during an experiment to ensure that any changes in the dependent variable are due to the manipulation of the independent variable
- a chemical reaction between an acid and a base to produce a salt and water
- a one- or two-letter representation of an element (e.g., h for hydrogen, o for oxygen)
- energy that is not usefully transferred or transformed and is instead lost to the surroundings, often as heat or sound
- a property of a substance that can cause damage to living tissue or materials through chemical action
- a substance made of only one type of particle, either an element or a compound
- results that deviate significantly from the expected trend or pattern, often indicating experimental error or unusual conditions
- a potential source of harm or danger
- a scale from 0 to 14 that measures how acidic or alkaline a substance is
- the addition of oxygen to a substance during a chemical reaction
- any factor in an experiment that can be changed, measured, or controlled
- a chemical that changes color to show whether a substance is acidic, neutral, or alkaline
- a chart that organizes elements by increasing atomic number and groups with similar chemical properties
- the process where a gas changes to a liquid
- results or data that are consistent and reproducible under the same conditions
- the minimum energy required for a chemical reaction to occur
- a substance with a ph less than 7 that donates hydrogen ions (h⁺) in solution
- the variable that is measured or observed in an experiment to assess the effect of changes made to the independent variable
- a base that dissolves in water to produce hydroxide ions (oh⁻) and has a ph greater than 7
- a representation of how particles are arranged and behave in solids, liquids, and gases
- a solution of calcium hydroxide, used to test for carbon dioxide by turning milky when the gas is present
- the process where a solid changes to a liquid at its melting point
- how easily a substance catches fire
65 Clues: how easily a substance catches fire • a potential source of harm or danger • the process where a gas changes to a liquid • the likelihood of harm occurring from a hazard • the temperature at which a liquid becomes a solid • a substance that dissolves in a particular solvent • a substance formed as a result of a chemical reaction • ...
physical science 2021-06-25
Across
- A spectrometer is any instrument used to probe a property of light as a function of its portion of the electromagnetic spectrum.
- a substance that takes part in and undergoes change during a reaction.
- a substance or mixture for use in chemical analysis or other reactions.
- effects An increase in the temperature of a system favors the direction of the reaction that absorbs heat.
- is a state of decreased physiological activity in an animal.
- energy energy which a body possesses by virtue of being in motion.
- a substance or mixture for use in chemical analysis or other reactions.
- a minute portion of matter.
Down
- of collisions between molecules For a gas at room temperature and normal atmospheric pressure.
- a group of atoms bonded together.
- effects-In the study of inhaled anesthetics
- rate The reaction rate or rate of reaction is the speed at which a chemical reaction takes place, time.
- an article or substance that is manufactured or refined for sale.
- the state or process of rotting; decay.
- molecular theory The kinetic theory of gases is a simple, historically significant classical model of the thermodynamic behavior of gases.
- of collisions between molecules Molecules must collide in order to react. In order to effectively initiate a reaction.
16 Clues: a minute portion of matter. • a group of atoms bonded together. • the state or process of rotting; decay. • effects-In the study of inhaled anesthetics • is a state of decreased physiological activity in an animal. • an article or substance that is manufactured or refined for sale. • energy energy which a body possesses by virtue of being in motion. • ...
Chemical Vocab 2018-02-05
Across
- / substance in a chemical reaction that undergoes a change
- / the new substance that is formed in a chemical reaction
- / Looks like one substance
- Change / a new substance is formed
- / 2 or more atoms
- / Anything that has mass and volume
Down
- / 2 or more substances that are physically combined
- / More than one type of atom combined
- / Groups of elements that have common characteristics
- / Visibly different substances
- Change / no new substance is formed
- Gases / Are not reactive because of their filled outside valance shell
- / Made of one type of atom
13 Clues: / 2 or more atoms • / Looks like one substance • / Made of one type of atom • / Visibly different substances • Change / a new substance is formed • Change / no new substance is formed • / Anything that has mass and volume • / More than one type of atom combined • / 2 or more substances that are physically combined • / Groups of elements that have common characteristics • ...
Chapter 8 Crossword 2021-02-16
Across
- when another chemical gets replaced
- how to express a reaction without words
- how I express a chemical reaction without letters
- the process of chemical reproduction
- when ions decide to switch locations
- when electricity breaks something down
- leads the subscripts
Down
- a symbol used to show how chemicals react together
- how easy chemicals are able to be combined
- the way chemicals are reformed
- a "conversion" of chemicals
- when chemicals make a "bomb" with oxygen
- when more than one of us bonds with another
13 Clues: leads the subscripts • a "conversion" of chemicals • the way chemicals are reformed • when another chemical gets replaced • the process of chemical reproduction • when ions decide to switch locations • when electricity breaks something down • how to express a reaction without words • when chemicals make a "bomb" with oxygen • how easy chemicals are able to be combined • ...
Applied Chemistry Final 2019-01-11
Across
- Water fearing
- Energy exits the system
- Water molecules sticking to other surfaces
- Unit in which energy is measured
- The starting material in a chemical reaction
- A mixture that is uniform throughout
- A mixture that is not uniform throughout
- Substance doing the dissolving
- Mixture of a solute dissolved in a solvent
Down
- Water loving
- The continuous circulation of water throughout the environment
- Energy enters the system
- Water molecules sticking to each other
- The new substance formed after a chemical reaction
- Electrons responsible for creating bonds
- Negatively charged ion
- Substance being dissolved
- Positively charged particles in the nucleus of an atom
- Positively charged ion
- Neutral particles in the nucleus of an atom
20 Clues: Water loving • Water fearing • Negatively charged ion • Positively charged ion • Energy exits the system • Energy enters the system • Substance being dissolved • Substance doing the dissolving • Unit in which energy is measured • A mixture that is uniform throughout • Water molecules sticking to each other • Electrons responsible for creating bonds • ...
VSPB Key Words 2013-12-18
Across
- Hantavirus pulmonary ______
- Polymerase chain reaction (abbrv.)
- Antibody that appears after acute or onset phase of illness
- Suspect _____
- Deer _____ (common carrier of Hantavirus)
- Chemical messengers facilitating communication between cells
- Proteins which play a role in cell-to-cell interactions
- Acronym for biosafety level
- Another name for freeze-drying
- Antibody that appears during acute or onset phase of illness
- A substance or compound that brings about a chemical reaction
- Vector for CCHF virus
Down
- Tissue needs good ___________ for successful transplantation.
- CLUE
- Enzyme-linked immunosorbent assay
- Substance that shreds RNA and DNA
- spins stuff
- Oven for sterilization
- _____ scanner
- Location of VSPB lab in Uganda
- Famous nasty virus
- Type of vaccine
- Cycle Threshold value (abbrv.)
23 Clues: CLUE • spins stuff • Suspect _____ • _____ scanner • Type of vaccine • Famous nasty virus • Vector for CCHF virus • Oven for sterilization • Hantavirus pulmonary ______ • Acronym for biosafety level • Location of VSPB lab in Uganda • Another name for freeze-drying • Cycle Threshold value (abbrv.) • Enzyme-linked immunosorbent assay • Substance that shreds RNA and DNA • ...
Enzymes Review 2026-03-27
Across
- The location where an enzyme attaches to a substrate is the
- A __________ is a substance on which an enzyme acts.
- _________ is briefly plunging food into boiling water to stop enzymatic activity.
- To soak a food in flavorful liquid.
- Any substance that will prevent an enzyme-substrate complex from forming is a(n)
- A(n) ____________ is a positively or negatively charged ion in solution.
- The substance that must be present for an enzymatic reaction to occur is called the
- The system for naming enzymes is known as
Down
- A color change that occurs when the enzyme polyphenol oxidase reacts with oxygen is called
- An enzyme that reacts only in the presence of oxygen.
- A ______ is a substance that starts a reaction between substances without being affected by the reaction.
- A protein that starts a chemical reaction without being changed by the chemical reaction is a(n)
- ________ is the energy needed to start a reaction.
13 Clues: To soak a food in flavorful liquid. • The system for naming enzymes is known as • ________ is the energy needed to start a reaction. • A __________ is a substance on which an enzyme acts. • An enzyme that reacts only in the presence of oxygen. • The location where an enzyme attaches to a substrate is the • ...
Biomolecules and Enzymes 2021-01-29
Across
- Biomolecule found in living things
- A catalyst that brings about a specific biochemical reaction
- Substance that speeds up the rate of a chemical reaction
- A molecule composed of amino acids
- The simplest form of a carbohydrate
- The chemical process that occur within a living organism in order to maintain life.
- Organic molecules such as carbohydrates
- One of the 4 Biomolecules
- Part of the enzyme that the substrate bond is called
Down
- Sugar composed of two monosaccharides
- Process modifying the molecular structure of a protein
- The basic building block of Nucleic acids
- Consists of three molecules of fatty acid combined with a molecule of the glycerol
- Relatively more complex carbohydrates
- Enzymes that break down lipids
- The breakdown of complex molecules in living organisms to form simpler ones
- The synthesis of complex molecules in living organisms from simpler ones
- Single atom or molecule
- Biomolecules made up of many atoms or molecules
- Reactant of an enzyme catalyzed reaction
- Enzymes that break down starch into sugars
21 Clues: Single atom or molecule • One of the 4 Biomolecules • Enzymes that break down lipids • Biomolecule found in living things • A molecule composed of amino acids • The simplest form of a carbohydrate • Sugar composed of two monosaccharides • Relatively more complex carbohydrates • Organic molecules such as carbohydrates • Reactant of an enzyme catalyzed reaction • ...
Respiration vs Photosynthesis 2019-11-25
Across
- product of one reaction is used as a substrate for next reaction
- doesn't require oxygen in its processes
- organisms use radiant energy to produce foods from CO2 and H2O
- one hydrogen atom, two oxygen atoms
- a simple alcohol also known as ethanol
- electron transporters that shuttles electrons
- organelle that conducts photosynthesis
- the action of breathing
- the breakdown of glucose into pyruvates and hydrogen ions
- to require oxygen in its processes
Down
- takes place in the thylakoid
- made by muscle tissue and red blood cells
- anaerobic process that occurs in yeast cells
- a source of energy
- Dioxide one carbon atom, two oxygen atoms
- chemical element, atomic number 8
- light independent reactions in photosynthesis (stroma)
- stack disks that can be referred to as grana
- organelle with a main focus of cellular respiration
- chemical reactions used by aerobic organisms to release ATP
- simple sugar, monosaccharide
21 Clues: a source of energy • the action of breathing • takes place in the thylakoid • simple sugar, monosaccharide • chemical element, atomic number 8 • to require oxygen in its processes • one hydrogen atom, two oxygen atoms • a simple alcohol also known as ethanol • organelle that conducts photosynthesis • doesn't require oxygen in its processes • ...
Precipitation and Neutralization 2022-01-11
Across
- Substances that react with acids
- Precipitation reactions depend on this property of a substance
- Substances that give ions when dissolved in water
- Another name for acids
- Release OH- ions in aqueous solutions
- A characteristic of strong alkalis
- Acids that are safe to handle
- Another product of neutralization with a neutral pH
- Show all of the particles in a solution as they actually exist
- Dissociate fully in a solution
- The chemical reaction between an acid and an alkali
Down
- Ions that do not participate in a reaction
- Occurs when ions exchange between two compounds
- Reactions that form a solid
- Made from a mixture of indicators
- A characteristic of strong acids
- One of the products of neutralization
- A commonly used indicator
- A chemical that turns a different color
- The insoluble solid formed in a metathesis reaction
- Used to measure the strength of an acid or alkali
- Release H+ ions when dissolved in water
22 Clues: Another name for acids • A commonly used indicator • Reactions that form a solid • Acids that are safe to handle • Dissociate fully in a solution • Substances that react with acids • A characteristic of strong acids • Made from a mixture of indicators • A characteristic of strong alkalis • One of the products of neutralization • Release OH- ions in aqueous solutions • ...
Photosynthesis 2024-01-23
Across
- an organism that makes its own food
- process where organic compounds are formed by using ATP,NADPH,and CO2
- reaction that takes place within and across the membrane of the thylakoid
- stacks of coin shaped membrane enclosed compartments that contain proteins and chlorophyll
- environmental factor that can affect the rate of photosynthesis
- supplies all the energy needed for life on earth indirectly or directly
- tiny holes in the leaves where carbon dioxide and oxygen enter and exit
- protein that uses energy from H+ to form ADP and ATP
- the opposite of photosynthesis
Down
- the starting materials in a chemical reaction
- reaction that takes place in the stroma of chloroplast
- the organelle where photosynthesis takes place
- gas released by plants
- the color pigment in chloroplasts
- process that captures sunlight for energy to make sugars that store chemical energy
- sacs in the chloroplasts that contain chlorophyll
- sugar made during photosynthesis
- dioxide CO2
- energy carrier made during photosynthesis
- fluid in the chloroplast that surrounds the area
20 Clues: dioxide CO2 • gas released by plants • the opposite of photosynthesis • sugar made during photosynthesis • the color pigment in chloroplasts • an organism that makes its own food • energy carrier made during photosynthesis • the starting materials in a chemical reaction • the organelle where photosynthesis takes place • fluid in the chloroplast that surrounds the area • ...
Acids and Bases Revision 2022-07-26
Across
- HCl
- total area of exposed surface
- how much solute is dissolved in a liquid
- HNO3
- substance made of two or more elements
- component of a nucleus with a positive charge
- amount of protons in a nucleus
- center of an atom
- how fast reactants become products
- Sulfuric acid
- right way with enough energy
- total number of protons and neutrons
Down
- when acid and base mix
- substance that is changed during a reaction
- least amount of energy needed to react
- negatively charged part of an atom
- substances that have a pH1 - pH6
- made by a chemical reaction
- smallest part of a chemical element
- all matter is made of moving matter
- positively charged atom
- pH>7
- component of a nucleus with no charge
- negatively charged atom
- formed by losing or gaining electrons
- can speed up or slow a reaction (is not used)
- cannot be separated into simpler substances
27 Clues: HCl • HNO3 • pH>7 • Sulfuric acid • center of an atom • when acid and base mix • positively charged atom • negatively charged atom • made by a chemical reaction • right way with enough energy • total area of exposed surface • amount of protons in a nucleus • substances that have a pH1 - pH6 • negatively charged part of an atom • how fast reactants become products • ...
Super Awesome Chemistry Crossword Puzzle 2023-04-25
Across
- What type of reaction is it when heat is absorbed?
- A _______ reaction occurs when bubbles are produced
- What is the Chem. Formula for Hydrochloric Acid?
- The process of going o a liquid to a gas.
- A _____ is the combonation of 2 or more substances
- Negitive charge
- What is measured in atm, mmHg, and kPa?
- Good conductors, malleable, lustrous, ductile are all examples of _____ properties
- The process of going from a solid directly to a gas.
- What element has the symbol C?
- The process of rounding in Chemistry (No Spaces)
Down
- A combustion reaction requires ______ to be on the reactant side.
- Metals _____ electrons
- Positive charge
- The first step to anything with a chemical equation is to _____ it.
- Going from a solid to a liquid is ______
- 100 degree C is the ______ point for water.
- Nonmetals are placed on the _____ of the periodic table
- What a thermometer measures
- Einstein proposed that light is made up of small particles called_____
20 Clues: Positive charge • Negitive charge • Metals _____ electrons • What a thermometer measures • What element has the symbol C? • What is measured in atm, mmHg, and kPa? • Going from a solid to a liquid is ______ • The process of going o a liquid to a gas. • 100 degree C is the ______ point for water. • What is the Chem. Formula for Hydrochloric Acid? • ...
Chemical Vocab 2018-02-05
Across
- / the new substance that is formed in a chemical reaction
- / substance in a chemical reaction that undergoes a change
- / Looks like one substance
- / Groups of elements that have common characteristics
- Change / a new substance is formed
- / 2 or more substances that are physically combined
- / Anything that has mass and volume
Down
- Change / no new substance is formed
- / Visibly different substances
- Gases / Are not reactive because of their filled outside valance shell
- / 2 or more atoms
- / Made of one type of atom
- / More than one type of atom combined
13 Clues: / 2 or more atoms • / Looks like one substance • / Made of one type of atom • / Visibly different substances • Change / a new substance is formed • Change / no new substance is formed • / Anything that has mass and volume • / More than one type of atom combined • / 2 or more substances that are physically combined • / Groups of elements that have common characteristics • ...
Medical Assistant: Ch. 48 Analysis of Blood 2024-11-21
Across
- substance used in chemical reaction
- caused by or involving disease
- special protein to speed up chemical reaction
- relating to metabolism
- immune response against a person's own tissues or cells
- chemical substance produced in an endocrine gland
- how compact or concentrated something is
Down
- deficiency of hemoglobin in the bloodj
- machine that rotates at high speed to separate substances
- slender tube for transferring or measuring small amounts of liquid
- old or aging cell
- most abundant plasma protein
- small tube to hold samples for lab tests that detect color changes
13 Clues: old or aging cell • relating to metabolism • most abundant plasma protein • caused by or involving disease • substance used in chemical reaction • deficiency of hemoglobin in the bloodj • how compact or concentrated something is • special protein to speed up chemical reaction • chemical substance produced in an endocrine gland • ...
biology 2021-09-10
Across
- A substance that is present before a chemical reaction and takes part in it, usually shown on the left-hand side of a chemical equation.
- The building block of matter; the smallest possible particle of an element.
- An attraction between two atoms as a result of sharing or transferring valence electrons.
- A change in a substance that results in one or more new substances being formed that have different physical and chemical properties than those of the original substance.
- The process by which particles in solution are evenly distributed throughout the solvent by Brownian motion.
- The process by which one substance, the solute, is broken up into smaller pieces by and distributed within a second substance, the solvent.
- A substance that can produce hydroxide ions (OH-) or accept hydrogen ions (H+) in solution.
- A class of nonpolar organic compounds that are insoluble in water and are used for energy storage and cell membranes in living things.
- The substances formed during a chemical reaction, usually indicated on the right-hand side of the chemical equation.
- The tendency of energy to disperse and become less available to do work.
- A change in a substance that does not change to identity of the substance (e.g., a change of form or state).
- A measurement of the average speed of the particles within a substance.
- An organic compound comprised of the elements carbon, hydrogen, and oxygen; includes sugars, starch, and cellulose.
- A naturally occurring catalyst, usually a protein.
- The smallest particle of a covalently bonded compound.
- A class of organic compounds that serve as the building blocks of proteins.
Down
- A pure substance made from two or more elements that are chemically combined.
- The attraction of particles in one substance for particles in a different substance.
- A substance that binds to an enzyme and reduces its activity, thus slowing a chemical reaction that the enzyme catalyzes.
- The attraction between like particles within polar substances.
- A substance that can produce hydrogen ions (H+) in solution.
- A substance that changes the rate of a chemical reaction but is not itself used up or affected by the reaction.
- A pure substance made of only one kind of atom.
- A class of simple organic compounds important in living things as a source of both energy and structure.
- The ability to do work. Especially in biology, the driver of the physical and chemical processes necessary for life.
- Quality of molecules having an uneven distribution of electrical charge, resulting in some regions of a molecule having negative charge while others are positive.
- A covalently bonded compound containing the element carbon.
- The physical stuff that makes up the universe. Anything that occupies space and has mass.
- A class of organic compounds that serve as the building blocks for the information storage molecules DNA and RNA.
29 Clues: A pure substance made of only one kind of atom. • A naturally occurring catalyst, usually a protein. • The smallest particle of a covalently bonded compound. • A covalently bonded compound containing the element carbon. • A substance that can produce hydrogen ions (H+) in solution. • The attraction between like particles within polar substances. • ...
Chapter 2 2022-09-19
Across
- The building block of matter; the smallest possible particle of an element.
- The attraction of particles in one substance for particles in a different substance.
- The process by which one substance, the solute, is broken up into smaller pieces by and distributed within a second substance, the solvent.
- A substance that can produce hydrogen ions in solution.
- An attraction between two atoms as a result of sharing or transferring valence electrons.
- An organic compound comprised of the elements carbon, hydrogen, and oxygen; includes sugars, starch and cellulose.
- A covalently bonded compound containing the element carbon.
- A class of simple organic compounds important in living things as a source of both energy and structure.
- A naturally occurring catalyst, usually a protein.
- A pure substance made from two or more elements that are chemically combined.
- A class of nonpolar organic compounds that are insoluble in water and are used for energy storage and cell membranes in living things.
- A pure substance made of only one kind of atom.
- A class of organic compounds that serve as the building blocks of proteins.
- A measurement of the average speed of the particles within a substance.
- The substances formed during a chemical reaction, usually indicated on the right-hand side of a chemical equation.
- A substance that can produce hydroxide ions or accept hydrogen ions in solution.
Down
- The physical stuff that makes up the universe. Anything that occupies space and has mass.
- A change in substance that does not change the identity of the substance.
- The attraction between like particles within polar substances.
- The tendency of energy to disperse and become less available to do work.
- The smallest particle of a covalently bonded compound.
- A change in a substance that results in one or more new substances being formed that have different physical and chemical properties than those of the original substance.
- The process by which particles in solution are evenly distributed throughout the solvent by Brownian motion.
- A substance that is present before a chemical reaction and takes part in it, usually shown on the left-hand side of a chemical equation.
- A substance that binds to an enzyme and reduces its activity, thus slowing a chemical reaction that the enzyme catalyzes.
- A class of organic compounds that serve as the building blocks for the information storage molecules DNA and RNA.
- The ability to do work. Especially in biology, the driver of the physical and chemical processes necessary for life.
- A substance that changes the rate of a chemical reaction but is not itself used up or affected by the reaction.
- Quality of molecules having an uneven distribution of electrical charge, resulting in some regions of a molecule having negative charge while others are positive.
29 Clues: A pure substance made of only one kind of atom. • A naturally occurring catalyst, usually a protein. • The smallest particle of a covalently bonded compound. • A substance that can produce hydrogen ions in solution. • A covalently bonded compound containing the element carbon. • The attraction between like particles within polar substances. • ...
Aubriana Vizcarra, Sept,20,23, Bio 311, Chapter 2 Vocab 2023-09-20
Across
- A substance that is present before a chemical reaction and takes part in it, usually shown o the left-hand side of a chemical equation.
- The building block of matter; the smallest possible particle of an element
- An attraction between two atoms as a result of sharing or transferring valence electrons.
- A change in a substance that results in one or more new substances being formed that have different physical and chemical properties than those of the original substance.
- The process by which particles in solution are evenly distributed throughout the solvent by Brownian motion.
- The process by which one substance, the solute, is broken up into smaller pieces by and distributed within a second substance, the solvent.
- A substance that can produce hydroxide ions (OH) or accept hydrogen ions (H') in solution
- A class of non polar organic compounds that are insoluble in water and are used for energy storage and cell membranes in living things.
- The substance formed during a chemical reaction, usually indicated o the right-hand side of a chemical equation
- The tendency of energy to disperse and become less available to do work
- A change in a substance that does not change the identity of the substance.
- A measurement of the average speed of the particles within a substance
- An organic compound composed of the elements carbon, hydrogen, and oxygen; includes sugars, starch and cellulose
- A naturally occurring catalyst, usually a protein.
- The smallest particle of a contently bonded compound
- A class of organic compounds that serve as the building blocks of proteins
Down
- A pure substance made from two or more elements that are chemically combined
- The attraction of particles in one substance for particles i a different substance.
- A substance that binds to an enzyme and reduces its activity, thus slowing a chemical reaction that the enzyme catalyzes
- The attraction between like particles within a polar substance.
- A substance that can produce hydrogen ions (H') in solution
- A substance that changes he rate of a chemical reaction but is not itself used up or affected by the reaction
- A pure substance made of only one kind of atom
- A class of simple organic compounds is important in living things as a source of both energy and structure.
- The ability to do work. Especially in biology, the driver of the physical and chemical processes necessary for life.
- Quality of molecules having an uneven distribution of electrical charge, resulting in some regions of a molecule having negative charge while others are positive
- A contently bonded compound containing the element carbon
- The physical stuff makes up the universe. Anything that occupies space and has mass
- A class of organic compounds that serve as the building blocks for the information storage molecules DNA and RNA
29 Clues: A pure substance made of only one kind of atom • A naturally occurring catalyst, usually a protein. • The smallest particle of a contently bonded compound • A contently bonded compound containing the element carbon • A substance that can produce hydrogen ions (H') in solution • The attraction between like particles within a polar substance. • ...
Crossword Puzzle Chapter 2 2023-09-20
Across
- The building block of matter; the smallest possible particle of an element.
- The attraction of particles in one substance for particles in a different substance.
- The process by which one substance, the solute, is broken up into smaller pieces by and distributed within a second substance, the solvent.
- A substance that can produce hydrogen ions in solution.
- An attraction between two atoms as a result of sharing or transferring valence electrons.
- An organic compound comprised of the elements carbon, hydrogen, and oxygen; includes sugars, starch and cellulose.
- A covalently bonded compound containing the element carbon.
- A class of simple organic compounds important in living things as a source of both energy and structure.
- A naturally occurring catalyst, usually a protein.
- A pure substance made from two or more elements that are chemically combined.
- A class of nonpolar organic compounds that are insoluble in water and are used for energy storage and cell membranes in living things.
- A pure substance made of only one kind of atom.
- A class of organic compounds that serve as the building blocks of proteins.
- A measurement of the average speed of the particles within a substance.
- The substances formed during a chemical reaction, usually indicated on the right-hand side of a chemical equation.
- A substance that can produce hydroxide ions or accept hydrogen ions in solution.
Down
- The physical stuff that makes up the universe. Anything that occupies space and has mass.
- A change in a substance that does not change the identity of the substance (e.g., a change of form or state).)
- The attraction between like particles within polar substances.
- The tendency of energy to disperse and become less available to do work.
- The smallest particle of a covalently bonded compound.
- A change in substance that results in one or more new substances being formed that have different physical and chemical properties than those of the original substance.
- The process by which particles in solution are evenly distributed throughout the solvent by Brownian motion.
- A substance that is present before a chemical reaction and takes part in it, usually shown on the left-hand side of a chemical equation.
- A substance that binds to an enzyme and reduces its activity, thus slowing a chemical reaction that the enzyme catalyzes.
- A class of organic compounds that serve as the building blocks for the information storage molecules DNA and RNA.
- The ability to do work. Especially in biology, the driver of the physical and chemical processes necessary for life.
- A substance that changes the rate of a chemical reaction but is not itself used up or affected by the reaction.
- Quality of molecules having an uneven distribution of electrical charge, resulting in some regions of a molecule having negative charge while others are positive.
29 Clues: A pure substance made of only one kind of atom. • A naturally occurring catalyst, usually a protein. • The smallest particle of a covalently bonded compound. • A substance that can produce hydrogen ions in solution. • A covalently bonded compound containing the element carbon. • The attraction between like particles within polar substances. • ...
Biology Chapter 2 Crossword Puzzle 2024-09-23
Across
- a substance that is present before a chemical reaction and takes part in it, usually shown on the left-hand side of a chemical equation
- the building block of matte; the smallest possible particle of an element
- an attraction between two atoms as a result of sharing or transferring valence electrons
- a change in substance that results in one or more new substances being formed that have different physical and chemical properties than those of the original substance
- the process by which particles in solution are evenly distributed throughout the solvent by Brownian motion
- the process by which one substance, the solute, is broken up into smaller pieces by and distributed within a second substance, the solvent
- a substance that can produce hydroxide ions or accept hydrogen ions in solution
- a class of nonpolar organic compounds that are insoluble in water and are used for energy storage and cell membranes in living things
- the substances formed during a chemical reaction, usually indicated on the right-hand side of a chemical equation
- the tendency of energy to disperse and become less available to do work
- a change in substance that does not change the identity of the substance
- a measurement of the average speed of the particles within a substance
- an organic compound comprised of the elements carbon, hydrogen, and oxygen; includes sugars, starch, and cellulose
- a naturally occurring catalyst, usually a protein
- the smallest particle of a cocovalently bonded compound
- a class of organic compounds that serve as the building blocks of proteins
Down
- a pure substance made from two or more elements that are chemically combined
- the attraction of particles in one substance for particles in a a different substance
- a substance that binds to an enzyme and reduces its activity. thus slowing a chemical reaction that the enzyme catalyzes
- the attraction between like particles within polar substances
- a substance that can produce hydrogen ions in solution
- a substance that changes the rate of a chemical reaction but is is not itself used up or affected by the reaction
- a pure substance made of only one kind of atom
- a class of simple organic compounds important in living things as a source of both energy and structure
- the ability to do work. Especially in biology,the driver of the physical and chemical processes necessary for life
- quality of molecules having an uneven distribution of electrical charge, resulting in some regions of a molecule having negative charge while others are positive
- a covalently bonded compound containing the element carbon
- the physical stuff that makes up the universe. Anything that occupies space and has mass
- a class of organic compounds that serve as the building blocks for the information storage molecules DNA and RNA
29 Clues: a pure substance made of only one kind of atom • a naturally occurring catalyst, usually a protein • a substance that can produce hydrogen ions in solution • the smallest particle of a cocovalently bonded compound • a covalently bonded compound containing the element carbon • the attraction between like particles within polar substances • ...
Ariel Clincy, 9/23/24, BIO 311 B, Chapter 2 Crossword 2024-09-23
Across
- Quality of molecules having an uneven distribution of electrical charge, resulting in some regions of a molecule having negative charge while others are positive.
- An organic compound comprised of the elements carbon, hydrogen, and oxygen; includes sugars, starch and cellulose.
- The attraction between like particles within polar substances.
- A pure substance made of only one kind of atom.
- The smallest particle of a covalently bonded compound.
- A substance that is present before a chemical reaction and takes part in it, usually shown on the lefthand side of a chemical equation
- The physical stuff that makes up the universe. Anything that occupies space and has mass.
- A covalently bonded compound containing the element carbon
- The process by which particles in solution are evenly distributed throughout the solvent by the Brownian model.
- A substance that can produce hydrogen ions (H+) in solution.
- A substance that can produce hydroxide ions (OH-) or accept hydrogen ions (H+) in solution.
- A change in a substance that results in one or more new substances being formed that have different physical and chemical properties than those of the original substance.
- A substance that binds to an enzyme and reduces its activity, thus slowing a chemical reaction that the enzyme catalyes.
Down
- The substances formed during a chemical reaction usually indicated on the righthand side of a chemical equation
- The attraction of particles in one substance for particles in a different substance
- A change in a substance that does not change the identity of the substance (e.g., a change of form or state)
- A class of organic compounds that serve as the building blocks for the information storage molecules DNA and RNA.
- A substance that changes the rate of a chemical reaction but is not itself used up or affected by the reaction.
- An attraction between two atoms as a result of sharing or transferring valence electrons.
- A naturally occurring catalyst, usually a protein
- A pure substance made from two or more elements that are chemically compound.
- A class of organic compounds that serve as the building blocks of protein.
- The ability to do work. Especially in biology, the driver of physical and chemical processes necessary for life.
- The process in which one substance, the solute, is broken up into smaller pieces by and distributed within a second substance, the solvent.
- A measurement of the average speed of the particles within a substance.
- A class of nonpolar organic compounds that are insoluble in water and are used for energy storage and cell membranes in living things.
- The tendency of energy to disperse and become less available to do work.
- The building block of matter; the smallest possible particle of an element.
- A class of simple organic compounds important in living things as a source of both energy and structure.
29 Clues: A pure substance made of only one kind of atom. • A naturally occurring catalyst, usually a protein • The smallest particle of a covalently bonded compound. • A covalently bonded compound containing the element carbon • A substance that can produce hydrogen ions (H+) in solution. • The attraction between like particles within polar substances. • ...
Biomolecules Crossword, Caleb Pait 2023-09-12
Across
- A single building block; one molecule
- The monomer of nucleic acids
- A biomolecule that is used for short-term energy
- When an enzyme's shape slightly shifts to better fit the substrate
- A biomolecule that is the foundation of hair skin and nails
- A biomolecule that store genetic information and synthesizes proteins
- Elements present in nucleic acids
- The chemicals that are catalyzed by an enzyme
- A protein that speeds up a chemical reaction
- Elements present in lipids
- A carbohydrate consisting of 3 or more monosaccharides
Down
- When an enzyme's shape is changed due to suboptimal conditions
- Many monomers joined together
- The area on an enzyme where the substrate binds
- The energy required to start a chemical reaction
- The chemicals produced after a reaction
- One cause of denaturation
- A biomolecule used for long-term energy storage
- Elements present in proteins
- The monomer of proteins
- A protein that helps red blood cells pick up oxygen
21 Clues: The monomer of proteins • One cause of denaturation • Elements present in lipids • The monomer of nucleic acids • Elements present in proteins • Many monomers joined together • Elements present in nucleic acids • A single building block; one molecule • The chemicals produced after a reaction • A protein that speeds up a chemical reaction • ...
Chemistry of Life 2025-12-02
Across
- The components of lipids. (3 words)
- The monomer of proteins. (2 words)
- The chemical that an enzyme acts on.
- The location on an enzyme where it binds to a substrate. (2 words)
- An example of a lipid.
- The chemicals that go into a reaction.
- A macromolecule that includes antibodies.
- An example of a disaccharide.
- An example of a nucleic acid.
- A small unit that can join with others to form a polymer.
- The location on a substrate where it binds to an enzyme. (2 words)
- The six elements most abundant in living organisms.
- A large molecule made of repeating parts.
Down
- Two ways we get necessary elements into our bodies. (2 words)
- Enzymes work by lowering the __________ of a reaction. (2 words)
- The monomer of a carbohydrate.
- The chemicals that come out of a reaction.
- A macromolecule that makes up exoskeletons.
- A function of lipids.
- Chemicals that speed up chemical reactions in biological organisms.
- A very large molecule.
21 Clues: A function of lipids. • An example of a lipid. • A very large molecule. • An example of a disaccharide. • An example of a nucleic acid. • The monomer of a carbohydrate. • The monomer of proteins. (2 words) • The components of lipids. (3 words) • The chemical that an enzyme acts on. • The chemicals that go into a reaction. • A macromolecule that includes antibodies. • ...
Macromolecules 2025-09-22
Across
- Simple sugars, the basic building blocks of carbohydrates (e.g., glucose, fructose).
- Likely a typographical error for "hydrosome," but could refer to a water storage component, though not a standard term in biology.
- A carbohydrate made of two monosaccharide molecules joined together (e.g., sucrose).
- Organic molecules like fats, oils, and cholesterol that are hydrophobic and essential for cell membrane structure.
- The substance on which an enzyme acts during a reaction.
- The basic unit of DNA and RNA, consisting of a sugar, a phosphate group, and a nitrogenous base.
- A simple carbohydrate, often referring to glucose, fructose, or sucrose.
- The substance formed as a result of a chemical reaction.
- Membrane: A thin, flexible barrier that surrounds the cell and controls what enters and exits.
- Fatty acids that contain more than one double bond in their hydrocarbon chain.
- Organic compounds that are fatty acids or derivatives, including fats, oils, and phospholipids.
- Organic compounds like sugars and starches that provide energy to living organisms.
- Large molecules made of amino acids, essential for structure, function, and regulation of the body's cells, tissues, and organs.
Down
- A complex carbohydrate made of long chains of monosaccharides (e.g., starch, cellulose).
- Fats or fatty acids in which all carbon atoms are bonded to as many hydrogen atoms as possible, typically found in animal fats.
- Membrane-bound organelles in plant and fungal cells that store nutrients and waste products.
- Organelles known as the "powerhouse of the cell" that generate ATP through cellular respiration.
- A membrane-bound organelle in plant cells that stores water, nutrients, and waste products.
- Organelles in plant cells that carry out photosynthesis, converting sunlight into chemical energy.
- Energy: The energy required to start a chemical reaction.
- The membrane-bound organelle in a cell that contains the cell's genetic material (DNA).
- Acid: A long hydrocarbon chain, often bonded to a glycerol molecule, forming fats and oils.
- Acid: The building blocks of proteins, consisting of a central carbon, an amino group, a carboxyl group, and a unique side chain.
- Proteins that speed up chemical reactions in living organisms.
- Apparatus: An organelle responsible for packaging and transporting proteins and lipids within the cell.
- Organelles responsible for protein synthesis in cells.
- Reticulum: A network of membranes within the cell involved in protein and lipid synthesis.
- Fats or fatty acids that contain one or more double bonds between carbon atoms.
- Wall: A rigid outer layer of plant cells that provides structure and protection.
- Reaction: A chemical reaction that releases energy in the form of heat.
30 Clues: Organelles responsible for protein synthesis in cells. • The substance on which an enzyme acts during a reaction. • The substance formed as a result of a chemical reaction. • Energy: The energy required to start a chemical reaction. • Proteins that speed up chemical reactions in living organisms. • ...
María Paula Peñafiel. Oxidation 2022-01-20
Across
- the substances are used as starting material
- is a written presentation of a chemical reaction
- a stable elementary particle that has a negative electric charge
- is the treatment of living beings towards others
- is the process by which elements in a system undergo chemical changes to suffer a transformation
- when elements have a communication relationship between them
- they are a strong oxidant that can be used in cleaning
Down
- matter changes form but not chemical identity
- when substances interact with each other
- the substances are formed as a result of reaction
- converts stored chemical energy into electrical current
- It is a chemical element represented with the symbol O
12 Clues: when substances interact with each other • the substances are used as starting material • matter changes form but not chemical identity • is a written presentation of a chemical reaction • is the treatment of living beings towards others • the substances are formed as a result of reaction • It is a chemical element represented with the symbol O • ...
matter unit 2023-01-21
Across
- a change in matter which does not alter the chemical properties of the mater
- a characteristic of a particular substance that can be observed in a chemical reaction
- a material made up of two or more different chemical substances which are not chemically bonded
- fungi that forms
- below 32 degrees F
- anything that can take up space and can be weighed
- chemical reactions that produce heat
- becoming liquefied by heat
Down
- any measurable property whose value describes the state of a physical system
- a change of materials into another, new materials with different properties and one or more than one new substances are formed
- the action of bringing a liquid to the temperature at which it bubbles and turns to vapor
- separate or cause to separate into pieces as a result of a blow, shock, or strain
- a substance made from two or more different elements that have been chemically joined
- combine or put together to form one substance or mass
- on fire
- deteriorate through neglect or lack of use
- a part of something abstract
- any chemical reaction that absorbs heat from its environment
- dullness of color
19 Clues: on fire • fungi that forms • dullness of color • below 32 degrees F • becoming liquefied by heat • a part of something abstract • chemical reactions that produce heat • deteriorate through neglect or lack of use • anything that can take up space and can be weighed • combine or put together to form one substance or mass • ...
Chapter 2 2022-09-19
Across
- A change in a substance that results in one or more new substances being formed that have different physical and chemical properties than those of the original substance.
- A naturally occurring catalyst, usually a protein.
- The smallest particle of a covalently bonded compound.
- The process by which particles in solution are evenly distributed throughout the solvent by Brownian motion.
- Quality of molecules having an uneven distribution of electrical charge, resulting in some regions of a molecule having negative charge while others are positive.
- An organic compound comprised of the elements carbon, hydrogen, and oxygen; includes sugars, starch and cellulose.
- A class of nonpolar organic compounds that are insoluble in water and are used for energy storage and cell membranes in living things.
- A class of organic compounds that serve as the building blocks of proteins.
- The substances formed during a chemical reaction, usually indicated on the right-hand side of a chemical equation.
- A covalently bonded compound containing the element carbon.
- A substance that can produce hydrogen ions in solution.
- The attraction of particles in one substance for particles in a different substance.
- A measurement of the average speed of the particles within a substance.
- The physical stuff that makes up the universe. Anything that occupies space and has mass.
- The attraction between like particles within polar substances.
- The ability to do work. Especially in biology, the driver of the physical and chemical processes necessary for life.
Down
- A substance that can produce hydroxide ions or accept hydrogen ions in solution.
- A class of organic compounds that serve as the building blocks for the information storage molecules DNA and RNA.
- An attraction between two atoms as a result of sharing or transferring valence electrons.
- A class of simple organic compounds important in living things as a source of both energy and structure.
- The process by which one substance, the solute, is broken up into smaller pieces by and distributed within a second substance, the solvent.
- A change in substance that does not change the identity of the substance.
- The tendency of energy to disperse and become less available to do work.
- A pure substance made from two or more elements that are chemically combined.
- The building block of matter; the smallest possible particle of an element.
- A substance that changes the rate of a chemical reaction but is not itself used up or affected by the reaction.
- A pure substance made of only one kind of atom.
- A substance that is present before a chemical reaction and takes part in it, usually shown on the left-hand side of a chemical equation.
- A substance that binds to an enzyme and reduces its activity, thus slowing a chemical reaction that the enzyme catalyzes.
29 Clues: A pure substance made of only one kind of atom. • A naturally occurring catalyst, usually a protein. • The smallest particle of a covalently bonded compound. • A substance that can produce hydrogen ions in solution. • A covalently bonded compound containing the element carbon. • The attraction between like particles within polar substances. • ...
Enzyme and Cell Respiration 2022-11-15
8 Clues: determines the rate • what the enzyme acts on • needed to start a reaction • where substrate and enzyme bond • chemical reaction that breaks down • energy that is needed to start a reaction • can change the rate of a chemical reaction • Type of Catalyst speeds up chemical reactions
The Reactivity of Alkenes and Benzene 2013-10-01
Across
- CnH2n
- Br2
- A chemical compound or group that is attracted to electrons and tends to accept electrons.
- Catalyses the reaction of Benzene and Bromine
- A chemical compound or group that is attracted to nuclei and tends to donate or share electrons
Down
- The rate at which a chemical substance tends to undergo a chemical reaction.
- Electrons in a molecule, ion or solid metal that are not associated with a single atom or one covalent bond.
- C6H6
- C6H10
- A covalent bond formed between two neighboring atom's unbonded p-orbitals.
- a chemical compound that contains a conjugated planar ring system with delocalised pi electrons.
- The colour of aqueous Bromine
12 Clues: Br2 • C6H6 • CnH2n • C6H10 • The colour of aqueous Bromine • Catalyses the reaction of Benzene and Bromine • A covalent bond formed between two neighboring atom's unbonded p-orbitals. • The rate at which a chemical substance tends to undergo a chemical reaction. • A chemical compound or group that is attracted to electrons and tends to accept electrons. • ...
Daniel Inga. Crossword 2022-01-17
Across
- relating to or connected with species or a species.
- a usually irreversible chemical reaction.
- an underlying substance or layer.
- especially as structural components of body.
- region on an enzyme.
Down
- make form a complex with another.
- give a particular shape or form to.
- acts as a catalyst to bring about a specific biochemical reaction.
- a substance that increases the rate of a chemical reaction.
- mechanism of interaction between an enzyme and a substrate.
- the minimum quantity of energy
- is a lasting attraction between atoms.
12 Clues: region on an enzyme. • the minimum quantity of energy • make form a complex with another. • an underlying substance or layer. • give a particular shape or form to. • is a lasting attraction between atoms. • a usually irreversible chemical reaction. • especially as structural components of body. • relating to or connected with species or a species. • ...
enzyme crossword 2026-01-23
Across
- When an enzyme loses its shape
- Factor that can increase or decrease enzyme activity
- The molecule an enzyme acts on
- Where the substrate binds on an enzyme
- Measure of how acidic or basic something is
- Molecule that competes with substrate for the active site
Down
- Molecule that changes enzyme shape
- Something that speeds up a reaction without being used up
- Protein that speeds up chemical reactions
- What is made after a reaction
- Speed of a chemical reaction
- Best condition for enzyme activity
12 Clues: Speed of a chemical reaction • What is made after a reaction • When an enzyme loses its shape • The molecule an enzyme acts on • Molecule that changes enzyme shape • Best condition for enzyme activity • Where the substrate binds on an enzyme • Protein that speeds up chemical reactions • Measure of how acidic or basic something is • ...
Chapter 7 Physical Science 2024-04-19
Across
- a catalyst made by a living thing
- a substance that participates in a chemical reaction
- a substance that forms in a chemical reaction
- these types of reactions produce more energy than they absorb
- in any redox reaction this is the substance that loses electrons
- these reactions are where organic compounds react with oxygen
Down
- an atom or group of atoms that has one unpaired electron
- the reaction where substances break apart
- a substance that speeds up or slows down a reaction but isn't changed by the reaction
- a number that shows the relative amount of a substance in a reaction
10 Clues: a catalyst made by a living thing • the reaction where substances break apart • a substance that forms in a chemical reaction • a substance that participates in a chemical reaction • an atom or group of atoms that has one unpaired electron • these types of reactions produce more energy than they absorb • these reactions are where organic compounds react with oxygen • ...
G10 Chemistry Crossword 2023-06-28
Across
- the smallest form of a chemical particle that retains the properties of the particle.
- A + BC -> B + AC (dash between words)
- outer shell of an atom
- A + B -> AB, what type of reaction
- founder of modern atomic theory (surname)
- a molecule that contains two or more different types of atoms
- how many groups are on the periodic table
- AB -> A + B, what type of reaction
- receives hydrogen ions, opposite of an acid
- particle with no charge/neutral charge
Down
- The number of protons contained in an atom(dash between words)
- positively charged particle
- occurs when the nucleus loses (or gains) a neutron
- negatively charged particle
- The number of protons plus neutrons contained in an atom (dash between words)
- displacement AB + CD -> AC + BD
- how many periods are found in the periodic table
- a liquid that releases positively charged hydrogen ions
- an exothermic chemical reaction that requires oxygen and a fuel substance as reactants and an ignition source to trigger the reaction
- a group of atoms that are bonded together
- the Greek word that was originally used for atoms
21 Clues: outer shell of an atom • positively charged particle • negatively charged particle • AB -> A + B, what type of reaction • A + B -> AB, what type of reaction • displacement AB + CD -> AC + BD • particle with no charge/neutral charge • A + BC -> B + AC (dash between words) • founder of modern atomic theory (surname) • a group of atoms that are bonded together • ...
Chemistry 2025-05-29
Across
- - Bond where electrons are transferred
- - Scale that measures acidity or basicity
- - Gain of electrons during a reaction
- - Type of bond found in metals
- - Bond where electrons are shared
- - Electrons in the outermost shell
- - Mass divided by volume
- - The smallest unit of an element
- - Negatively charged subatomic particle
- - Homogeneous mixture of solute and solvent
- - Atom or molecule with a net electric charge
- - A pure substance made of only one type of atom
- - Loss of electrons during a reaction
- - Compound formed from acid and base
- - Substance that gets dissolved
- - Two or more atoms chemically bonded
Down
- - Speeds up a chemical reaction
- - Attraction between atoms that holds them together
- - Positively charged particle in an atom's nucleus
- - The space a substance occupies
- - Substance formed from two or more elements
- - Capacity to do work
- - Neutral particle in the nucleus
- - Substance with a pH less than 7
- - Substance that does the dissolving
- - Chemical change between substances
- - A combination of substances not chemically bonded
- - Atom with same protons but different neutrons
- - Substance with a pH greater than 7
- - The amount of matter in an object
30 Clues: - Capacity to do work • - Mass divided by volume • - Type of bond found in metals • - Speeds up a chemical reaction • - Substance that gets dissolved • - The space a substance occupies • - Bond where electrons are shared • - Neutral particle in the nucleus • - The smallest unit of an element • - Substance with a pH less than 7 • - Electrons in the outermost shell • ...
Arson and Explosives Crossword 2022-01-26
Across
- Combination of oxygen with other substances to produce new substances
- What can be seen at the origin of a blast?
- Rapid burning of a material
- Substances such as gasoline/paint thinner/alcohol, that accelerate burning process.
- Location where fire started
- React faster than the speed of sound in the substance
- What direction does a fire burn?
- What is BTU?
- React slower than the speed of the sound in the substance
- Fire that was deliberately started
Down
- Chemical reaction in which heat is given off
- Lowest temperature at which fuel will ignite
- Fire's Chemical reaction type
- Burning at the fuel air interface without a flame
- When fuel burns without a flame
- What state do molecules need to be in, in order to support a flame?
- 4 components needed to produce & sustain fire (oxygen, heat, fuel, chain reaction)
- Range between the upper and lower limits at which gaseous fuel and air will produce combustion
- The process of burning something (Exothermic reaction when a solid, liquid or gas-phase undergoes rapid oxidation)
- Produced when substance undergoes rapid oxidation involving heat and light.
- Noticeable patterns created by the fire as it burns
21 Clues: What is BTU? • Rapid burning of a material • Location where fire started • Fire's Chemical reaction type • When fuel burns without a flame • What direction does a fire burn? • Fire that was deliberately started • What can be seen at the origin of a blast? • Chemical reaction in which heat is given off • Lowest temperature at which fuel will ignite • ...
Thermo Chemistry 2022-12-13
Across
- an apparatus for measuring the amount of heat involved in a chemical reaction or another process.
- the energy stored in the chemical bonds of a substance.
- the degree or intensity of heat present in a substance or object
- he heat absorbed by one mole of that substance.
- the quality of being hot; high temperature.
- (of a reaction or process) accompanied by the release of heat.
- the enthalpy change when 1 mole of a substance burns (combines vigorously with oxygen) under standard state conditions
- the amount of heat that must be added or removed during a chemical reaction in order to keep all of the substances present at the same temperature.
- is the study of heat energy which is associated with chemical reactions and/or phase changes such as melting and boiling.
Down
- the heat absorbed by one mole of that substance as it is converted from a solid to a liquid.
- the heat required to raise the temperature of the unit mass of a given substance by a given amount
- (of a reaction or process) accompanied by or requiring the absorption of heat.
- used to measure amounts of heat transferred to or from a substance.
- a thermodynamic quantity equivalent to the total heat content of a system.
- is the quantitative property that is transferred to a body or to a physical system
- is the energy held by an object because of its position relative to other objects, stresses within itself, its electric charge, or other factors.
- the energy an object has because of its motion
- the unit of energy in the International System of Units.
- a unit of energy often used to express the nutritional value of foods,
19 Clues: the quality of being hot; high temperature. • the energy an object has because of its motion • he heat absorbed by one mole of that substance. • the energy stored in the chemical bonds of a substance. • the unit of energy in the International System of Units. • (of a reaction or process) accompanied by the release of heat. • ...
Tiara's Crossword Puzzle 2022-03-08
Across
- in a chemical reaction
- the percent ratio of actual yield to the theoretical yield
- the substance that will be used up first in a chemical reaction
- mass of one mole of a substance
- a multiple of an imperical formula
- conversion factor between
Down
- the quantity of a product obtained from the complete conversion of the limiting reactant in a chemical reaction
- number used to change one set of units to another by multiplying or dividing
- study of molar ratios in chemical reactions
- lowest whole number ratio of elements within a compound
- the ratio of the amount of each element to the total amount of individual elements present in the compound multiplied by 100.
- the max amount of product that can be produced based on limiting reactant
12 Clues: in a chemical reaction • conversion factor between • mass of one mole of a substance • a multiple of an imperical formula • study of molar ratios in chemical reactions • lowest whole number ratio of elements within a compound • the percent ratio of actual yield to the theoretical yield • the substance that will be used up first in a chemical reaction • ...
Generation Genius Chemical Reactions Crossword 2022-08-26
Across
- - The smallest particle of matter made up of protons, neutrons, and electrons.
- change - A change in state of matter where no new substance is formed.
- engineer - A scientist who uses chemical reactions to solve problems.
- - Characteristics of matter that can be used to identify substances.
- - Substances that are combined to form products in a chemical reaction.
Down
- - More than one atom combined to form a substance (e.g., oxygen – O2).
- - The result of substances being combined in a chemical reaction.
- - A chemical that makes a chemical reaction happen faster.
- change - Chemicals combining to cause new substances to be formed.
- scientist - A scientist who uses chemical reactions to make new materials.
10 Clues: - A chemical that makes a chemical reaction happen faster. • - The result of substances being combined in a chemical reaction. • change - Chemicals combining to cause new substances to be formed. • - Characteristics of matter that can be used to identify substances. • engineer - A scientist who uses chemical reactions to solve problems. • ...
Mixtures/Solutions and Chemical Change 2022-01-10
Across
- Change - A change in which one or more substances combine or break apart to form new substances
- - When a substance fully disappears into another substance to form a solution
- - A substance that enters into a chemical
- - The part of a solution that is usually present in the largest amount and can dissolve a solute
- A change that alters the form or appearance of a material, but doesn't make the material into another substance
- Two or more substances that are together in the same place, but their atoms aren't chemically bonded
- Reaction - A reaction that absorbs energy
- - A measure of how much solute can dissolve in a given solvent at a given temperature
Down
- - Mixture that has a solvent and at least one solute that has the same properties throughout; a mixture in which one substance is dissolved in another
- Reaction - A reaction that releases energy; usually in the form of heat
- - Mixture that contains small, undissolved particles that don't settle out
- - A mixture in which particles can be seen and easily separated by settling or filtration
- - A substance that is formed as a result of a chemical reaction
- - The part of a solution that is dissolved by a solvent
- - How slowly or quickly something happens
15 Clues: Reaction - A reaction that absorbs energy • - How slowly or quickly something happens • - A substance that enters into a chemical • - The part of a solution that is dissolved by a solvent • - A substance that is formed as a result of a chemical reaction • Reaction - A reaction that releases energy; usually in the form of heat • ...
Balancing Equations 2021-03-18
Across
- a stable particle made of two or more atoms
- a pure substance that is made of one type of atom
- a mathmatical sentence
- A substance made out of two or more atoms
- a single number or a variable
- a symbol for an unknown value
Down
- A number in front of a chemical formula
- A chemical substance that is present at the start of a chemical reaction
- of Conservation of Matter matter can't be created or destroyed
- the result of a chemical equation
- Reaction chemical bonds between atoms are broken and new ones are formed
11 Clues: a mathmatical sentence • a single number or a variable • a symbol for an unknown value • the result of a chemical equation • A number in front of a chemical formula • A substance made out of two or more atoms • a stable particle made of two or more atoms • a pure substance that is made of one type of atom • of Conservation of Matter matter can't be created or destroyed • ...
Milady Chapter 12 Basics of Chemistry (1) 2016-11-02
Across
- Solids, liquids and gases are called ? of matter.
- Solid, liquid, gas are ? forms.
- The simplest form of chemical matter.
- An ? is the basic unit of matter with a nucleus at the centre surrounded by negatively charged electrons that move around the nucleus, in orbits.
- A molecule containing two or more atoms of the same element in definite proportions.
- No fixed volume or shape; takes the shape and volume of its container.
- A ? is a chemical combination of two or more atoms in definite proportions.
- Definite volume but takes the shape of its container.
- Subatomic particles with no charge.
- Rigid; has a fixed shape and volume.
Down
- Is an example of compound molecules.
- Subatomic particles with a positive charge.
- Chemical ? are characteristics that can only be determined by a chemical reaction and a chemical change in the substance.
- Compound molecules are also referred to ?
- Chemistry which is the study of substances that do not contain the element carbon but may contain the element hydrogen.
- Physical properties are characteristics that can be determined without a ? reaction and that do not involve a chemical change in the substance.
- The vast majority of ? you come in contact with every day are safe and harmless.
- An element cannot be broken down into a ? substance without a loss of identity.
- Any substance that occupies space and has mass.
- Chemistry which is the study of substances that contain the element carbon.
20 Clues: Solid, liquid, gas are ? forms. • Subatomic particles with no charge. • Is an example of compound molecules. • Rigid; has a fixed shape and volume. • The simplest form of chemical matter. • Compound molecules are also referred to ? • Subatomic particles with a positive charge. • Any substance that occupies space and has mass. • ...
Types Of Reactions 2024-05-05
Across
- Reaction that proceeds on its own, without external addition of energy
- Reaction that takes place between an oxidizing substance and a reducing substance
- Natural process that converts a refined metal into a more chemically stable oxide
- Those in which two chemical substances react by exchanging ions to produce two new molecules
- Reaction in which two or more substances combine to form a single new substance
- The process of an atom or compound gaining one or more electrons
- Take in energy and the temperature of the surroundings decreases
Down
- Occur when cations and anions in aqueous solution combine to form an insoluble ionic solid called a precipitate
- Occurs when an atom, molecule, or ion loses one or more electrons in a chemical reaction
- Reaction in which a compound breaks down into two or more simpler substances
- Transfer energy to the surroundings and the temperature of the surroundings increases
- Condition in which aerial oxidation of unsaturated fat present in food gives it an unpleasant flavor and odor
- A chemical process in which a substance reacts rapidly with oxygen and gives off heat
- When an acid and a base react to form water and a salt
- Occurs when a more reactive element displaces, or pushes out, a less reactive element
15 Clues: When an acid and a base react to form water and a salt • The process of an atom or compound gaining one or more electrons • Take in energy and the temperature of the surroundings decreases • Reaction that proceeds on its own, without external addition of energy • Reaction in which a compound breaks down into two or more simpler substances • ...
Gabriel Calvopiña 9 A Oxidation 2022-01-20
Across
- transforms electrical energy obtained from chemistry
- Is when a substance is transformed into one or more substances
- Is when there is a chemical change or reaction
- is a particle with negative energy
- It happens when the amount of oxygen increases and fewer electrons are made in the atoms.
- It is a variant that can be for a substance, matter or object.
Down
- It is when there is a connection or they are similar in something
- is when you bleach something
- Is a compound to cause a chemical reaction or see if a reaction happens
- It is a chemical element and its atomic number is 8.
- It is when several objects, people or energies are touched at the same time.
- Is the result of chemical reactions
12 Clues: is when you bleach something • is a particle with negative energy • Is the result of chemical reactions • Is when there is a chemical change or reaction • transforms electrical energy obtained from chemistry • It is a chemical element and its atomic number is 8. • Is when a substance is transformed into one or more substances • ...
Challenge it! Chemical equations Crosswords 2022-10-06
Across
- Substances that are produced after a chemical equation.
- An equation that shows that no mass was created or destroyed from a reaction.
- States that mass cannot be created or destroyed, only rearranged
- Both sides of an equation must have the same number of ___.
Down
- An equation that has a different number of atoms on each side.
- A chemical __ shows how a reaction turns reactants into certain into new products.
- It is located at the center of a chemical equation and indicates that a chemical reaction is occurring.
- substances that exist before a chemical equation.
- The substance that is being studied.
- Anything that has mass and takes up space.
10 Clues: The substance that is being studied. • Anything that has mass and takes up space. • substances that exist before a chemical equation. • Substances that are produced after a chemical equation. • Both sides of an equation must have the same number of ___. • An equation that has a different number of atoms on each side. • ...
Chemical Reactions and Equations 2022-05-31
Across
- Method to make the number of atoms of the elements present same on both the sides - the reactants as well as the products
- A chemical reaction in which 2 or more substances combine to form a single substance
- A chemical reaction is which the more reactive element takes the place of a less reactive element in its compound
Down
- A chemical reaction in which oxygen is added to a substance or hydrogen is removed from a substance
- The new substance formed during a chemical reaction
- A substance which changes the rate of the reaction without itself undergoing any change
- Chemical reactions in which energy is released
- A chemical reaction is which both oxidation and reduction take place simultaneously
8 Clues: Chemical reactions in which energy is released • The new substance formed during a chemical reaction • A chemical reaction is which both oxidation and reduction take place simultaneously • A chemical reaction in which 2 or more substances combine to form a single substance • ...
Alora 2.1 vocab 2021-10-27
8 Clues: absorbs heat • change in matter • chemical reaction • material that has mass • gives off heat or thermal energy • changes substances into a new substance • substances formed during a chemical reaction • substances present before a chemical reaction
Chemistry unit 2016-02-10
Across
- From positive iron
- Positive electron
- in each of these the atomic number increased from left to right
- center of the atom
- neutral electron
- smallest partial in chemical element
- negative electron
- a substance that takes part in and under goes change during a reaction
- can be changed from on from to another
- mass of a atomic partial
- outside reaction
- what was made after the reactions
Down
- he made the table
- outer part of a orbital
- ring around the nucleus
- located to the right of metalloids and to the left of halogen
- neon, argon,krypton, xenon,and radon are all
- thin coat of gold silver or other metal.
- concealed reaction
- column of elements of the P.T of the chemical element
- how many rings
- abbreviation of element
- mixture of those metals and non metals
- name of the atom
- Every solid, liquid, and gas is made up of these
25 Clues: how many rings • neutral electron • name of the atom • outside reaction • he made the table • Positive electron • negative electron • From positive iron • center of the atom • concealed reaction • outer part of a orbital • ring around the nucleus • abbreviation of element • mass of a atomic partial • what was made after the reactions • smallest partial in chemical element • ...
Biology H Crossword: Chapter 2 2023-11-17
Across
- 6.02 × 1023 molecules
- two forms of an element with different numbers of neutrons
- Thermal energy in transfer from one body of matterto another
- the clinging of one substance to another,also plays a role
- a substance consisting of two or more elements
- A unit of energy where 1 cal = 4.184 J
- compounds formed by ionic bonds
- Calcium,Phosphorus,Sulfur,Sodium,Iodine
- an atom’s attraction for the electrons of a covalent bond
- A homogeneous liquid mixture
Down
- negatively charged ion
- reached when the forward and reverse reaction rates are equal
- anything that takes up space and has mass
- the starting molecules of a chemical reaction
- The final molecules of a chemical reaction are called
- The notation used to represent atoms and bonding
- represents the average kinetic energy of molecules
- positively charged ion
- is the amount of heat required to raise the temperature of 1 g of water by 1°C
- the unit of measurement for the mass of protons/neutrons
20 Clues: 6.02 × 1023 molecules • negatively charged ion • positively charged ion • A homogeneous liquid mixture • compounds formed by ionic bonds • A unit of energy where 1 cal = 4.184 J • Calcium,Phosphorus,Sulfur,Sodium,Iodine • anything that takes up space and has mass • the starting molecules of a chemical reaction • a substance consisting of two or more elements • ...
Sophia Stammen Unit 2 2025-03-24
Across
- molecules combine to into these
- tails of a phospholipid (waterfearing)
- only allows certain molecules in or out of the cell
- result of a chemical reaction
- cells combine to form these
- molecules moving from clustered to spaced out
- a protein that speeds up a chemical reaction
- the diffusion of water across a membrane
- occurs when cells spend energy to move molecules across the membrane through a transport protein
- all of the organ systems combine to form this
- Atoms combine to form these
- the basic unit of living thing (organelles combine to form these)
Down
- where the substrate fits on the enzyme
- organs make up this
- the energy built up to activate the reaction
- a method of moving molecules through membrane with no energy
- what the enzyme binds to
- head of a phospholipid (waterloving)
- when the active site changes shape and can't bind to the substrate
- basic unit of matter
- molecule that forms the basis of a cell membrane
- tissues combine to form these
22 Clues: organs make up this • basic unit of matter • what the enzyme binds to • cells combine to form these • Atoms combine to form these • result of a chemical reaction • tissues combine to form these • molecules combine to into these • head of a phospholipid (waterloving) • where the substrate fits on the enzyme • tails of a phospholipid (waterfearing) • ...
Woodson's matter crossword 2024-05-15
Across
- the amount of matter within a object
- a form of energy
- the branch of science that deals with the properties
- the amount of space the object takes up
- to give off heat
- the ability to do work
- a characteristic of a substance that can be observed or measured without changing the identity of the substance
- a substance made from two or more different elements
- a attraction between atoms
Down
- two or more atoms
- the basic building block of matter
- something that has weight
- a combination of two or more substances
- the starting materials in a reaction that undergo a chemical change to form a product.
- the measure of hotness or coldness expressed
- action or property of molecules adhering to one another due to mutual attraction
- a substance that is present at the end of a chemical reaction
- a change when two or more things combine
18 Clues: a form of energy • to give off heat • two or more atoms • the ability to do work • something that has weight • a attraction between atoms • the basic building block of matter • the amount of matter within a object • a combination of two or more substances • the amount of space the object takes up • a change when two or more things combine • ...
Chemistry 2023-10-19
Across
- something has been dissolved in water
- a substance which exists in the solid-state, which is one of the four fundamental states of matter
- a section of chemistry that involves using relationships between reactants and/or products in a chemical reaction to determine desired quantitative data
- is the amount of substance containing the same number of molecules
- a substance that is in a gaseous, or vaporous, state of matter
Down
- the ability of a solid, liquid, or gaseous chemical substance (referred to as the solute) to dissolve in solvent (usually a liquid) and form a solution
- A chemical substance that is present at the start of a chemical reaction.
- A substance produced in a chemical reaction.
- a type of matter with specific properties that make it less rigid than a solid but more rigid than a gas
- substance that speeds up the rate of a chemical reaction.
10 Clues: something has been dissolved in water • A substance produced in a chemical reaction. • substance that speeds up the rate of a chemical reaction. • a substance that is in a gaseous, or vaporous, state of matter • is the amount of substance containing the same number of molecules • A chemical substance that is present at the start of a chemical reaction. • ...
vocabulary 2020-12-14
Crossword 2016-02-11
Across
- forms positive irons
- he made the table
- thin coat of gold, silver, or other metal
- mixture of metals and nonmetals
- how many rings
- column of the elements of the periodic table of the chemical elements
- consealed reaction
- of conservation of mass can be changed from one form to another
- neon, argon, krypton, xenon, radon
- negative electron
- something composed of two or more seperate elements
- Group of atoms that cannot be broken down
Down
- the electrons that exist in the outermost orbital
- abbreviation of element
- in each of these they increase from left to right
- mass of a atomic particle
- what was made after the reactions
- center of the atom
- outside reaction/ hot
- smallest particle in a chemical element
- a substance that takes part in and undergoes charge during a reaction
- neutral electron
- smallest unit of any form of matter
- positive electron
- rings around the nucleus
25 Clues: how many rings • neutral electron • he made the table • negative electron • positive electron • center of the atom • consealed reaction • forms positive irons • outside reaction/ hot • abbreviation of element • rings around the nucleus • mass of a atomic particle • mixture of metals and nonmetals • what was made after the reactions • neon, argon, krypton, xenon, radon • ...
Chemistry vocab 2022-03-30
Across
- components that make it up are uniform
- makes up the universe
- how easily it can be bent or put into a shape
- no shape and no volume
- negative part of the atom
- how easily it will break
- how shiny the element is
- ability to undergo a chemical reaction
- what does the dissolving
- reaction that releases heat
- consists of two or more chemical elements
- positive part of the atom
- atoms are not moving and have a fixed shape and volume
Down
- gas that is supercharged
- ability to dissolve a substance
- reaction that absorbs heat
- substance with only one type of atom
- everything is made of this
- composition is always the same
- what is being dissolved
- it has different properties
- ability to be stretched in a wire
- atoms are more fluid, have a defined shape but no shape
- smallest particle with properties of that element
- neutral part of the atom
25 Clues: makes up the universe • no shape and no volume • what is being dissolved • gas that is supercharged • how easily it will break • how shiny the element is • what does the dissolving • neutral part of the atom • negative part of the atom • positive part of the atom • reaction that absorbs heat • everything is made of this • it has different properties • reaction that releases heat • ...
Photosynthesis 2024-01-23
Across
- an organism that makes its own food
- process where organic compounds are formed by using ATP,NADPH,and CO2
- reaction that takes place within and across the membrane of the thylakoid
- stacks of coin shaped membrane enclosed compartments that contain proteins and chlorophyll
- environmental factor that can affect the rate of photosynthesis
- supplies all the energy needed for life on earth indirectly or directly
- tiny holes in the leaves where carbon dioxide and oxygen enter and exit
- protein that uses energy from H+ to form ADP and ATP
- the opposite of photosynthesis
Down
- the starting materials in a chemical reaction
- reaction that takes place in the stroma of chloroplast
- the organelle where photosynthesis takes place
- gas released by plants
- the color pigment in chloroplasts
- process that captures sunlight for energy to make sugars that store chemical energy
- sacs in the chloroplasts that contain chlorophyll
- sugar made during photosynthesis
- dioxide CO2
- energy carrier made during photosynthesis
- fluid in the chloroplast that surrounds the area
20 Clues: dioxide CO2 • gas released by plants • the opposite of photosynthesis • sugar made during photosynthesis • the color pigment in chloroplasts • an organism that makes its own food • energy carrier made during photosynthesis • the starting materials in a chemical reaction • the organelle where photosynthesis takes place • fluid in the chloroplast that surrounds the area • ...
Ch 8 Crossword 2024-09-25
Across
- The process of accelerating a chemical reaction.
- A factor that can affect enzyme activity and kinetics.
- Type of inhibition that permanently disables an enzyme.
- Amino acid that plays a key role in enzyme catalysis.
- The molecule upon which an enzyme acts.
- Positively charged particle involved in acid-base reactions.
- Species that donates an electron pair to form a bond.
- Process that reduces enzyme activity.
- Type of bond formed by sharing electron pairs.
Down
- Inhibition that affects the enzyme-substrate complex only.
- Ion that can assist in various catalytic functions.
- The chemical breakdown of a compound due to reaction with water.
- Amino acid involved in chymotrypsin activity.
- Inhibition that can be undone or reversed.
- Another amino acid in the catalytic triad of chymotrypsin.
- A transient product formed during a reaction.
- Type of inhibition that competes with substrate for binding.
- Biological catalyst that speeds up reactions.
- Anion containing oxygen, stabilized in the enzyme's active site.
- Site where substrates bind on an enzyme.
20 Clues: Process that reduces enzyme activity. • The molecule upon which an enzyme acts. • Site where substrates bind on an enzyme. • Inhibition that can be undone or reversed. • Amino acid involved in chymotrypsin activity. • A transient product formed during a reaction. • Biological catalyst that speeds up reactions. • Type of bond formed by sharing electron pairs. • ...
Titrations are fun! 2021-03-18
Across
- the number of particles in a given volume of liquid
- a chemical that changes colour used to determine the endpoint of a reaction
- The titre volume range for merit or achieved is 0._mL
- number of moles = mass x __________
- balanced chemical equations show _____ ratios between chemicals
- a practical used to determine the concentration of an unknown chemical
- a 15% solution has ___g of solute per 100mL of solvent
Down
- glassware used for the reaction in a titration
- concentration is __________ divided by volume
- a graduated glasstube with a stopcock at the end to release liquid
- glassware used to deliver a set volume of liquid
- when a reaction is finished this is known as the ____________
- formed when a solute is dissolved in a solvent
- The titre volume range for excellence is 0._ mL
14 Clues: number of moles = mass x __________ • concentration is __________ divided by volume • glassware used for the reaction in a titration • formed when a solute is dissolved in a solvent • The titre volume range for excellence is 0._ mL • glassware used to deliver a set volume of liquid • the number of particles in a given volume of liquid • ...
Chemical Reaction Vocab Crossword 2023-11-03
Across
- specific place where a substrate binds on an enzyme
- substance formed by a chemical reaction; located on the right side of the arrow in a chemical equation
- reactant to which an enzyme binds
- substance that exists before a chemical reaction starts; located on the left side of the arrow in a chemical equation
- minimum amount of energy needed for reactants to form products in a chemical reaction
Down
- energy requiring process by which atoms or groups of atoms in substances are charged into different substances
- protein that speeds up a biological reaction by lowering the activation energy needed to start the reaction
- substance that speeds up a chemical reaction by reducing the activation energy
8 Clues: reactant to which an enzyme binds • specific place where a substrate binds on an enzyme • substance that speeds up a chemical reaction by reducing the activation energy • minimum amount of energy needed for reactants to form products in a chemical reaction • substance formed by a chemical reaction; located on the right side of the arrow in a chemical equation • ...
Types of reaction 2024-05-12
Across
- Break down of compound into 2 or more substance when heat energy is absorbed.
- reaction which releases heat
- Decomposition reaction where electricity is passed
- A reaction which involves addition of oxygen from a substance is called
- insoluble solid that emerges from a liquid solution
- when 2 elements have been exchanged in a chemical reaction
- Oxidation of oil and fat makes it taste bad and old
Down
- when 2 or more substance combine to form a single new compound
- a reaction where more reactive element displaces a less reactive element.
- Decomposition reaction where sunlight is absorbed
- reaction which uses energy
- process of the slow deterioration of metals.
- CaO(s)+H2O(l)→Ca(OH)2(aq)
- When iron corrodes when exposed to moisture and gets covered with red flaky substance called
- a reaction where both oxidation and reduction is involved
- a reaction where oxygen is removed
16 Clues: CaO(s)+H2O(l)→Ca(OH)2(aq) • reaction which uses energy • reaction which releases heat • a reaction where oxygen is removed • process of the slow deterioration of metals. • Decomposition reaction where sunlight is absorbed • Decomposition reaction where electricity is passed • insoluble solid that emerges from a liquid solution • ...
Unit 2 Vocab by: Keeti Malladi Period 3 2025-03-18
Across
- a unit of measuring energy in food
- A chemical reaction that uses electricity to break substances apart.
- a chemical reaction from sunlight and water in plants
- the ability to do something
- Change changes that occur in matter without changing its chemical composition
Down
- a chemical reaction where organisms use oxygen & food molecules to make C20+H20 & energy
- A process where a set of substances undergo a chemical change to form a different substance
- the energy plants use
- charactaristic of a substance that can be measured or observed.
9 Clues: the energy plants use • the ability to do something • a unit of measuring energy in food • a chemical reaction from sunlight and water in plants • charactaristic of a substance that can be measured or observed. • A chemical reaction that uses electricity to break substances apart. • Change changes that occur in matter without changing its chemical composition • ...
Science 2018-12-03
Across
- the new substance formed from the reaction are called the ?
- table a chart of the elements showing the repeating pattern of their properties
- anything that has mass and takes up space
- tells you how many molecules of that compound or element present
- chemical equations a balance chemical equation
Down
- of mass, matter is not created or destroyed during a chemical reaction
- tells you how many atoms of that element are in the molecules.
- the smallest unit of an element that has the properties of that element
- equations na short easy way to show a chemical reaction using symbols
- the subscript you begin with
10 Clues: the subscript you begin with • anything that has mass and takes up space • chemical equations a balance chemical equation • tells you how many atoms of that element are in the molecules. • tells you how many molecules of that compound or element present • the new substance formed from the reaction are called the ? • ...
Chemical Equations-Devanarayanan Manoj 10R 2024-05-02
Across
- a single substance decomposes to give two or more substances
- The substances that go into a chemical reaction
- The substances produced at the end of the reaction
- two compounds exchange their ions to form new compounds
- a process to prevent rusting of iron using zinc
- a type of decomposition reaction in which the reactant will break down just by the absorption of the photons
- name given to hydrated ferric oxide
- a chemical process of breaking down caused by heat
Down
- It is a silver halogen that is used in black and white photography.
- one or a group of atoms of a compound is replaced by another atom or group of atoms
- it is a process in which one or more substances react to form new substances with different properties
- a bright bluish crystal that is used for pesticides
- two or more substances combine to form a single substance
- reaction in which insoluble salts are formed
- the oxidation of oils or fats in food resulting in bad taste and smell
- When electricity is passed through a compound, then the ions of the compound separate into components decomposing the compo
- the eating up of metals as a result of their exposure to air, moisture and other gases in the atmosphere
17 Clues: name given to hydrated ferric oxide • reaction in which insoluble salts are formed • The substances that go into a chemical reaction • a process to prevent rusting of iron using zinc • The substances produced at the end of the reaction • a chemical process of breaking down caused by heat • a bright bluish crystal that is used for pesticides • ...
7th Period Vocab 2022-10-24
Across
- type of linkage formed from the between oppositely charged ions in a chemical compound.
- the left side of a chemical equation
- a reaction in which the positive and negative ions of two ionic compounds exchange places to form two new compounds.
- the interatomic linkage that results from the sharing of an electron pair between two atoms.
- the substance found at the end of a chemical equation.
- the symbolic representation of a chemical reaction in the form of symbols and chemical formulas
- a number placed before and multiplying the chemical to even out the products and reactants.
Down
- the element chlorine reacts with an aqueous solution of sodium bromide to produce aqueous sodium chloride and elemental bromine.
- a weak bond between atoms
- a bond that only occurs between metals that are tightly packed because they are sharing their electrons.
- outermost shell of electrons.
- forms in a double-replacement reaction when the cations from one of the reactants combine with the anions from the other reactant to form an insoluble ionic compound.
12 Clues: a weak bond between atoms • outermost shell of electrons. • the left side of a chemical equation • the substance found at the end of a chemical equation. • type of linkage formed from the between oppositely charged ions in a chemical compound. • a number placed before and multiplying the chemical to even out the products and reactants. • ...
Biology Bonus 2023-04-24
Across
- The prefix that is "K" in KHDUDCM.
- What is the standard unit temperature?
- What describes a mole solute per liter solution?
- Matter is composed of _?
- The chemical with an atomic mass of 16.00.
- Ernest Rutherford discovered what part of the atom?
- A mixture where individual particles cannot be distinguished.
- The temperature and pressure where the solid, liquid, and gas forms of a substance coexist.
- The periodic element with the smallest atomic radius.
- Li on the periodic table.
- The bond between atoms that share electrons.
Down
- What is the transition of a substance directly from solid to gas?
- JJ Thomspon discovered what part of the atom?
- Diffusion through a tiny opening is _.
- The solid produced in a chemical reaction.
- A substance that can be dissolved.
- What type of reaction is A+B-->AB.
- What type of reaction involves oxygen combining with a substance to release light and heat?
- James Chadwick discovered what part of the atom?
- A mixture that is not uniform.
20 Clues: Matter is composed of _? • Li on the periodic table. • A mixture that is not uniform. • The prefix that is "K" in KHDUDCM. • A substance that can be dissolved. • What type of reaction is A+B-->AB. • What is the standard unit temperature? • Diffusion through a tiny opening is _. • The solid produced in a chemical reaction. • The chemical with an atomic mass of 16.00. • ...
Acids and Bases Revision 2022-07-26
Across
- made by a chemical reaction
- all matter is made of moving matter
- substance that is changed during a reaction
- component of a nucleus with a positive charge
- amount of protons in a nucleus
- substance made of two or more elements
- pH>7
- Sulfuric acid
- right way with enough energy
- cannot be separated into simpler substances
- center of an atom
- negatively charged part of an atom
- least amount of energy needed to react
- Acid HNO3
- formed by losing or gaining electrons
- when acid and base mix
Down
- total area of exposed surface
- smallest part of a chemical element
- component of a nucleus with no charge
- HCl
- negatively charged atom
- how much solute is dissolved in a liquid
- substances that have a pH1 - pH6
- total number of protons and neutrons
- positively charged atom
- how fast reactants become products
- can speed up or slow a reaction (is not used)
27 Clues: HCl • pH>7 • Acid HNO3 • Sulfuric acid • center of an atom • when acid and base mix • negatively charged atom • positively charged atom • made by a chemical reaction • right way with enough energy • total area of exposed surface • amount of protons in a nucleus • substances that have a pH1 - pH6 • negatively charged part of an atom • how fast reactants become products • ...
Enzymes- Helena Richter 2024-02-07
Across
- What does a change in ph do to a enzyme?
- breaks down H2O2 made by cells
- Another word for speeding up a reaction
- Chemical reactions done by living organisms
- Most important factor in determining specificity
- Enzyme of lactose
- Enzymes are what?
- Type of reaction that is lowered by enzymes
- Enzyme control this aspect of chemical reactions
- Enzyme for Lipids
- A molecule the enzyme acts on
- What are enzymes?
- change of an enzyme is __
- Number of enzymes in cell
- What do enzymes usually end in
Down
- breaks down starch
- Enzyme of Maltose
- Enzyme for Proteins
- Acid What are enzymes made of?
- What can block the Active Site?
- Enzyme for sucrose
- Specially shaped site to fit substrate
- factor to affect enzyme
- After reaction is done, the substrate is called __
- Enzymes can do what with molecules?
- Every type pf enzyme fits __ to a specific substrate shape
- 7 is the number for what on the pH scale?
- Percentage of Hydrogen ions in a solution
28 Clues: Enzyme of Maltose • Enzyme of lactose • Enzymes are what? • Enzyme for Lipids • What are enzymes? • breaks down starch • Enzyme for sucrose • Enzyme for Proteins • factor to affect enzyme • change of an enzyme is __ • Number of enzymes in cell • A molecule the enzyme acts on • breaks down H2O2 made by cells • Acid What are enzymes made of? • What do enzymes usually end in • ...
Nathaniel's Crossword review 715 2022-03-21
Across
- the ability to be dissolved, especially in
- In chemistry, a product is a substance that is formed as the result of a chemical reaction
- a substance that takes part in and undergoes change during a reaction.
- of the same kind; alike.
- the lowest part or edge of something, especially the part on which it rests or is supported.
- the mass of an atom.
- is the liquid in which a solute is dissolved to form a solution.
- a chemical substance that neutralizes alkalis, dissolves some metals.
Down
- a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.
- make (a liquid) thinner or weaker by adding water or another solvent to it.
- is a substance made by mixing other substances together.
- a metal made by combining two or more metallic elements, especially to give greater strength or resistance to corrosion.
- the minor component in a solution, dissolved in the solvent.
- diverse in character or content.
- wholly directed to one thing; intense.
15 Clues: the mass of an atom. • of the same kind; alike. • diverse in character or content. • wholly directed to one thing; intense. • the ability to be dissolved, especially in • is a substance made by mixing other substances together. • the minor component in a solution, dissolved in the solvent. • is the liquid in which a solute is dissolved to form a solution. • ...
Christmas revision lesson 2024-12-17
Across
- A type of cell which has a nucleus.
- The energy transfer when energy moves from hot to cold areas.
- Reaction where reduction and oxidation happens at the same time.
- A material which conducts heat or electricity.
- The potential energy of an object at height.
- These make up all living things and contain organelles.
Down
- Used to describe ways energy is wasted.
- How good a device is at transferring energy input to useful energy output.
- The type of chemical reaction which results in energy being released into the surroundings, often resulting in an increase in temperature.
- The energy of a moving object.
- The type of chemical reaction which results in energy being absorbed from the surroundings, generally leading to a decrease in temperature
- Energy transferred as a wave, light, infra-red, gamma, x-ray.
- The _______ of energy: energy cannot be created or destroyed, just transferred from one form to another.
- The energy stored in chemical bonds, such as those between molecules.
- The measure of how tightly the mass of an object is packed into the space it takes up.
15 Clues: The energy of a moving object. • A type of cell which has a nucleus. • Used to describe ways energy is wasted. • The potential energy of an object at height. • A material which conducts heat or electricity. • These make up all living things and contain organelles. • The energy transfer when energy moves from hot to cold areas. • ...
Intro to Chemistry Ch5 - Chemical Reactions 2025-05-30
Across
- - the amount of mass in a given volume
- – when one element replaces another element in a compound or if 2 elements in different compounds trade places
- - a solid that forms from liquids during a chemical reaction
- - more energy is released as the product forms than is required to break the bonds of the reactants.
- – when 2 or more elements or compounds combine to make a more complex substance. Decomposition – when compounds break down into simpler substances.
- - biological catalysts that help reactions necessary for life occur at body temperature
- - the study of the properties of matter and how matter changes
- - a way to show a chemical reaction, using symbols instead of words
Down
- - where matter can enter from or escape to the surroundings
- - the new substances that form
- - more energy is required to break the bonds of the reactants than is released by the formation of the products.
- - a substance made of two or more elements chemically combined in a specific ratio
- - the substances that undergo the chemical change
- - where matter does not enter or leave
- - during a chemical reaction, matter is not created or destroyed
15 Clues: - the new substances that form • - the amount of mass in a given volume • - where matter does not enter or leave • - the substances that undergo the chemical change • - where matter can enter from or escape to the surroundings • - a solid that forms from liquids during a chemical reaction • - the study of the properties of matter and how matter changes • ...
Chemistry Fun! 2025-01-02
Across
- When an ionic compound breaks down
- The reaction that creates carbon and water
- A positively charged ion
- The reaction of two metals switching places
- A negatively charged ion
- A liquid solution in a chemical equation
Down
- K(subscript 2)O
- NaCl
- When an acid and a base react to form water and a salt
- When a solid forms from a solution
- Starting substances in a chemical reaction
11 Clues: NaCl • K(subscript 2)O • A positively charged ion • A negatively charged ion • When an ionic compound breaks down • When a solid forms from a solution • A liquid solution in a chemical equation • The reaction that creates carbon and water • Starting substances in a chemical reaction • The reaction of two metals switching places • ...
Chemical Reactions 2021-02-04
Across
- an object, diagram, or computer program that helps us understand something by making it simpler or easier to see
- able to cause damage
- an ending substance that is made during a chemical reaction
- a process in which atoms rearrange to form new substances
- to change the order or position of something
- something that is made of all the same atoms or groups of atoms
Down
- a structure formed by repeating groups of atoms that link together in a large network
- the temperature at which a substance changes from the liquid phase to the gas phase
- a substance that is added to soil to help plants grow
- the temperature at which a substance changes from the solid phase to the liquid phase
- a starting substance that is part of a chemical reaction
- the relative size of things
- a group of atoms joined together in a particular way
- letters and numbers showing the types and number of atoms that repeat to make up a substance
- something that can be observed about a substance, such as color, smell, or boiling point
15 Clues: able to cause damage • the relative size of things • to change the order or position of something • a group of atoms joined together in a particular way • a substance that is added to soil to help plants grow • a starting substance that is part of a chemical reaction • a process in which atoms rearrange to form new substances • ...
Chemical Reactions 2021-02-04
Across
- to change the order or position of something
- an object, diagram, or computer program that helps us understand something by making it simpler or easier to see
- the relative size of things
- a starting substance that is part of a chemical reaction
- the temperature at which a substance changes from the liquid phase to the gas phase
- an ending substance that is made during a chemical reaction
- a structure formed by repeating groups of atoms that link together in a large network
- letters and numbers showing the types and number of atoms that repeat to make up a substance
- a substance that is added to soil to help plants grow
Down
- something that can be observed about a substance, such as color, smell, or boiling point
- able to cause damage
- the temperature at which a substance changes from the solid phase to the liquid phase
- the tiny pieces that all matter—all the stuff in the world—is made of
- a group of atoms joined together in a particular way
- a process in which atoms rearrange to form new substances
15 Clues: able to cause damage • the relative size of things • to change the order or position of something • a group of atoms joined together in a particular way • a substance that is added to soil to help plants grow • a starting substance that is part of a chemical reaction • a process in which atoms rearrange to form new substances • ...
Chemical Reactions 2021-02-04
Across
- point the temperature at which a substance changes from the liquid phase to the gas phase
- a structure formed by repeating groups of atoms that link together in a large network
- formula letters and numbers showing the types and number of atoms that repeat to make up a substance
- to change the order or position of something
- able to cause damage
- a group of atoms joined together in a particular way
- an ending substance that is made during a chemical reaction
- a starting substance that is part of a chemical reaction
Down
- the temperature at which a substance changes from the solid phase to the liquid phase
- the relative size of things
- a substance that is added to soil to help plants grow
- a process in which atoms rearrange to form new substances
- an object, diagram, or computer program that helps us understand something by making it simpler or easier to see
- something that can be observed about a substance, such as color, smell, or boiling point
- the tiny pieces that all matter—all the stuff in the world—is made of
15 Clues: able to cause damage • the relative size of things • to change the order or position of something • a group of atoms joined together in a particular way • a substance that is added to soil to help plants grow • a starting substance that is part of a chemical reaction • a process in which atoms rearrange to form new substances • ...
Stoichiometry 2013-03-07
Across
- Substance that is on the left of a chemical equation
- Number in front of a compound or element indicating how much of each atom there is in the compound or element
- Replacement Type of reaction with general formula of A + BC --> AB + C
- Substance that is on the right of a chemical equation
- Type of reaction with general formula of AB --> A + B
- Type of reaction where substance burns in presence of oxygen
- Mass of an atom in grams
Down
- Type of equation where the Law of Conservation is followed
- 22.4 L or 6.02 x 10^23 molecules or GFM
- Process where energy or heat is absorbed
- Replacement Type of reaction with general formula of AB + CD --> AC + BD
- Number following an element indicating how many atoms of that element there are
- Mass of a compound in grams
- Process where energy or heat is released
- Type of reaction with general formula of A + B --> AB
15 Clues: Mass of an atom in grams • Mass of a compound in grams • 22.4 L or 6.02 x 10^23 molecules or GFM • Process where energy or heat is absorbed • Process where energy or heat is released • Substance that is on the left of a chemical equation • Substance that is on the right of a chemical equation • Type of reaction with general formula of AB --> A + B • ...
Chemical Equations 2022-10-24
Across
- Tells the number of molecules or compounds in a chemical equation.
- A balanced chemical equation must have _____ numbers of atoms on both sides.
- Elements or compounds combining to create new substances is called a chemical
Down
- Tells us the number of atoms in a chemical equation.
- A new substance that is created by the rearranging of atoms after a chemical reaction.
- "Matter cannot be created nor destroyed" is called the Law of ____________ of Mass.
- An element or compound that exists prior to a chemical reaction
- The arrow in a chemical reaction is read as
8 Clues: The arrow in a chemical reaction is read as • Tells us the number of atoms in a chemical equation. • An element or compound that exists prior to a chemical reaction • Tells the number of molecules or compounds in a chemical equation. • A balanced chemical equation must have _____ numbers of atoms on both sides. • ...
Kesler Science - Balancing Chemical Equations Crossword 2022-07-14
Across
- The arrow in a chemical reaction is read as _____.
- "Matter cannot be created nor destroyed" is called the Law of ____________ of Mass.
- A balanced chemical equation must have _____ numbers of atoms on both sides.
- Tells the number of molecules or compounds in a chemical equation.
Down
- A new substance that is created by the rearranging of atoms after a chemical reaction.
- Tells us the number of atoms in a chemical equation.
- An element or compound that exists prior to a chemical reaction.
- Elements or compounds combining to create new substances is called a chemical ________.
8 Clues: The arrow in a chemical reaction is read as _____. • Tells us the number of atoms in a chemical equation. • An element or compound that exists prior to a chemical reaction. • Tells the number of molecules or compounds in a chemical equation. • A balanced chemical equation must have _____ numbers of atoms on both sides. • ...
