chemical reaction Crossword Puzzles

Chem final crossword 2020-06-11

Chem final crossword crossword puzzle
Across
  1. how far something is
  2. lowest something is or can be
  3. the branch of science that deals with the identification of the substances of which matter is composed
  4. a compound that produces OH-ions or electrons in water or that accepts protons
  5. has a pH less than 7
  6. an element with the symbol C
  7. send something into the air
  8. useable power such as heat or electricity
  9. basic unit of matter
  10. show variation on a graph
  11. the substances that combine in a chemical reaction
  12. a substance made from a chemical reaction
  13. make something
Down
  1. a chemical reaction between a fuel and oxygen
  2. degree of compactness of a substance
  3. twp or more substances combining to form a new substance
  4. where all mankind live
  5. the movement of particles from an area of higher concentration to one of lower concentration
  6. the scientific understanding of how the universe formed
  7. the state of the atmosphere outside
  8. figure formed by two lines
  9. anything having mass and taking up space
  10. how hot or cold something is
  11. highest something is or can be
  12. make something
  13. how fast or slow something is

26 Clues: make something • make something • how far something is • has a pH less than 7 • basic unit of matter • where all mankind live • show variation on a graph • figure formed by two lines • send something into the air • an element with the symbol C • how hot or cold something is • lowest something is or can be • how fast or slow something is • highest something is or can be • ...

Chemistry of Life 2024-12-10

Chemistry of Life crossword puzzle
Across
  1. A chemical that speeds up chemical reactions in biological organisms.
  2. Two ways we get necessary elements into our bodies. (2 words)
  3. A large molecule made of repeating parts.
  4. The chemicals that go into a reaction.
  5. A macromolecule that includes antibodies.
  6. A function of lipids
  7. An example of a nucleic acid.
  8. he monomer of a nucleic acid.
  9. An example of a protein hormone.
  10. An example of a disaccharide.
  11. The location on an enzyme where it binds to a substrate. (2 words)
  12. A macromolecule that makes up exoskeletons.
  13. The monomers of proteins.
Down
  1. The monomer of a carbohydrate.
  2. A small unit that can join with others to form a polymer.
  3. Components of lipids. (3 words)
  4. A large molecule.
  5. The six elements most abundant in living organisms.
  6. The location on a substrate where it binds to an enzyme.
  7. The chemical that an enzyme acts on.
  8. Enzymes work by lowering the __________ of a reaction. (2 words)
  9. The main function of carbohydrates.
  10. A macromolecule that carries genetic information. (2 words)
  11. The chemicals that come out of a reaction.
  12. An example of a lipid

25 Clues: A large molecule. • A function of lipids • An example of a lipid • The monomers of proteins. • An example of a nucleic acid. • he monomer of a nucleic acid. • An example of a disaccharide. • The monomer of a carbohydrate. • Components of lipids. (3 words) • An example of a protein hormone. • The main function of carbohydrates. • The chemical that an enzyme acts on. • ...

Chemistry 2025-01-09

Chemistry crossword puzzle
Across
  1. A mixture where the components are evenly distributed.
  2. A substance that speeds up a chemical reaction without being consumed.
  3. A chemical reaction that absorbs heat.
  4. A pure substance made up of only one type of atom.
  5. A measure of how much space an object occupies.
  6. A change that does not alter the chemical composition.
  7. The state of matter with a definite volume but no fixed shape.
Down
  1. A change that produces one or more new substances.
  2. A simple representation of a compound's elements.
  3. A negatively charged particle in an atom.
  4. A positively charged particle in an atom's nucleus.
  5. The force that holds atoms together in a compound.
  6. A substance made of two or more elements chemically bonded together.
  7. The measure of the amount of matter in an object.
  8. The smallest unit of a chemical element.

15 Clues: A chemical reaction that absorbs heat. • The smallest unit of a chemical element. • A negatively charged particle in an atom. • A measure of how much space an object occupies. • A simple representation of a compound's elements. • The measure of the amount of matter in an object. • A change that produces one or more new substances. • ...

Van Gogh painting 2025-03-27

Van Gogh painting crossword puzzle
Across
  1. A Dutch post-impressionist painter known for his vivid colors and emotional depth.
  2. A form of electromagnetic radiation used in various analytical techniques, including material analysis.
  3. A technique used to measure and analyze the interaction of light with matter.
  4. Ions Chemical species containing sulfur with a -2 charge, believed to play a role in the reduction of chromium.
  5. A chemical element with the symbol Cr, known for its multiple oxidation states including Cr(III) and Cr(VI).
  6. Transformations in the chemical composition of substances due to reactions.
  7. A bright yellow pigment made from lead chromate, used by van Gogh in his paintings.
  8. A measure of heat, which can influence the rate of chemical reactions.
  9. The practice of preserving and maintaining artworks to prevent deterioration.
  10. Subatomic particles with a negative charge involved in chemical reactions.
  11. A chemical reaction involving the loss of electrons, resulting in an increase in oxidation state.
  12. The detailed examination or study of materials to understand their composition and properties.
  13. A chemical element that may be associated with areas containing reduced chromium in van Gogh's paintings.
  14. The minimum energy required for a chemical reaction to occur.
  15. A substance that gives color to materials by absorbing certain wavelengths of light.
  16. A chemical reaction involving the gain of electrons, often leading to a decrease in oxidation state.
Down
  1. A reference to painters from the Flanders region, such as Rik Wouters, a contemporary of van Gogh.
  2. The methods and processes used by artists to create their works.
  3. A type of electromagnetic radiation that can cause chemical changes in materials.
  4. The process by which materials take in light, affecting their color appearance.
  5. A green pigment identified as a degradation product of chrome yellow.
  6. The darkening observed in certain yellow paints due to chemical changes over time.
  7. A color resulting from the alteration of yellow pigments in van Gogh's works.
  8. An observable event or occurrence, especially one that is unusual or scientifically interesting.
  9. Structures at the nanoscale that can influence the properties of materials, including color.
  10. The act of keeping something in its original state or in good condition.
  11. The process by which a substance breaks down into simpler components.

27 Clues: The minimum energy required for a chemical reaction to occur. • The methods and processes used by artists to create their works. • A green pigment identified as a degradation product of chrome yellow. • The process by which a substance breaks down into simpler components. • A measure of heat, which can influence the rate of chemical reactions. • ...

Chemistry Crossword 2017-11-13

Chemistry Crossword crossword puzzle
Across
  1. the mass of one atom in an element calculated using the protons and neutrons
  2. Things that speed up the chemical reaction rate
  3. neutral particle in the nucleus of an atom
  4. the number of protons in one atom of an element
  5. A compound made up of 2 non-metals
  6. a change where an entirely new substance is created with different properties from the original combinations
  7. A physical characteristic of a substance in which it can be pounded or rolled into sheets
  8. The vertical columns of the periodic table also known as families
  9. A property that describes the appearance and composition of a substance
  10. An experiment where one or more products of a chemical reaction can escape
  11. An experiment in which all reactants and product in a chemical reaction are accounted for
  12. characteristics used to describe a substance
  13. A homogeneous mixture
Down
  1. group 17 of the periodic table
  2. the substance that reacts to another substance to create a product
  3. a positivly charged centre of an atom consisting of protons and neutrons
  4. An invisible negatively charged particle that orbits around the nucleus of an atom
  5. the most reactive group of the metals on the periodic table
  6. A substance that strongly resists the flow of electricity
  7. Heterogeneous Mixtures
  8. A element with both metal and nonmetal properties
  9. Pure substances merged as a result of their opposite charges
  10. a new substance produced in a chemical reaction between reactants
  11. An atom or a group of atoms that become electrically charged because it has lost or gained electrons
  12. a pure substance made up of only one type of atom

25 Clues: A homogeneous mixture • Heterogeneous Mixtures • group 17 of the periodic table • A compound made up of 2 non-metals • neutral particle in the nucleus of an atom • characteristics used to describe a substance • Things that speed up the chemical reaction rate • the number of protons in one atom of an element • A element with both metal and nonmetal properties • ...

Chapter 2 Crossword - Ashley Wiggins 2018-10-01

Chapter 2 Crossword - Ashley Wiggins crossword puzzle
Across
  1. A naturally ocurring catalyst, usually a protein
  2. A class of organic compounds that serve as the building blocks of proteins
  3. The attraction between like particles within polar substances
  4. A change in the substance that results in one or more substances being formed that have different physical and chemical properties than those of the original substance
  5. A substance that is present before a chemical reaction and takes part in it
  6. A class of nonpolar organic compounds that are in­ soluble in water and are used for energy storage and cell membranes in living things
  7. The attraction of particles in one substance for particles in a different substance.
  8. The ability to do work
Down
  1. The basic building block of matter
  2. Pure substances made by only one kind of atom
  3. An organic compound comprised of the ele­ ments carbon, hydrogen, and oxygen; includes sugars, starch and cellulose
  4. The substances formed during a chemical reaction
  5. A change in the substance that does not change the identity of the substance, the change of the form of state
  6. A class of organic compounds that serve as the building blocks for the information storage molecules DNA and RNA
  7. An attraction between two atoms as a result of sharing or transferring valence electrons
  8. A class of simple organic compounds important in living things as a source of both energy and structure
  9. A measurement of the average speed of the particles within a substance
  10. A pure subtance made from two or more elements that are chemically combined
  11. A substance that changes the rate of the chemical reaction but is not itself used up or affected by the reaction
  12. The tendency of energy to disperse

20 Clues: The ability to do work • The basic building block of matter • The tendency of energy to disperse • Pure substances made by only one kind of atom • A naturally ocurring catalyst, usually a protein • The substances formed during a chemical reaction • The attraction between like particles within polar substances • ...

Chapter 2 Crossword 2015-03-03

Chapter 2 Crossword crossword puzzle
Across
  1. Having a relatively low concentration of hydrogen ions or having a pH greater than 7
  2. In an atom, the core of protons and neutrons; in a eukaryotic cell, the organelle that contains most of the DNA and directs most of the cell's activities
  3. A chemical structure composed of one or more atoms
  4. Amount of energy required for a chemical reaction to start and to continue on its own
  5. The volume and shape of a substance which is determined by the rate at which the atoms or molecules of the substance move
  6. The process of breaking chemical bonds, forming new bonds, or both
  7. A fundamental property of an object generally regarded as equivalent to the amount of matter in the object
Down
  1. Any substance that increases the concentration of hydroxide ions when added to a water solution
  2. A reaction that involves a net absorption of free energy
  3. A numeric range that quantifies the relative concentrations of hydronium ions and hydroxide ions in a solution
  4. A measurement of the amount of solute dissolved in a fixed amount of solvent
  5. A bond that forms when two atoms share one or more pairs of electrons
  6. A reduction-oxidation reaction in which electrons are transferred between atoms
  7. A catalyst, usually a protein, in living systems
  8. The energy in a system available for work
  9. An ion consisting of a protonated water molecule and present in all aqueous acids
  10. A compound formed by a chemical reaction
  11. A substance that ordinarily cannot be broken down chemically to form simpler kinds of matter
  12. An atom or a compound with a net electrical charge
  13. The number of protons in an atom

20 Clues: The number of protons in an atom • A compound formed by a chemical reaction • The energy in a system available for work • A catalyst, usually a protein, in living systems • A chemical structure composed of one or more atoms • An atom or a compound with a net electrical charge • A reaction that involves a net absorption of free energy • ...

CHEMISTRY WORD SEARCH 2025-07-21

CHEMISTRY WORD SEARCH crossword puzzle
Across
  1. A negatively charged particle that moves around the nucleus.
  2. The process in which a single ligand forms multiple bonds with a central metal ion.
  3. Visible, hot gas from burning substances.
  4. A combination of two or more substances that do not chemically combine.
  5. A slow chemical reaction between iron, water, and oxygen.
  6. A mixture of two or more metals, or a metal and a non-metal.
  7. A fixed circular path in Bohr’s model where electrons revolve around the nucleus.
  8. The mixing of atomic orbitals to form new orbitals for bonding.
  9. The smallest unit of matter that retains the properties of an element.
  10. Regions in an atom where there is a high probability of finding electrons.
  11. "Makes up most of the air we breathe, but we can't use it directly."
  12. Atom or molecule with an electric charge.
Down
  1. A chemical reaction in which a substance burns in oxygen to release heat.
  2. A bond formed by sharing of electrons.
  3. A reaction involving both oxidation and reduction."
  4. Unequal sharing of electrons in a molecule causes this type of charge separation.
  5. The amount of space an object or substance occupies.
  6. A neutral particle found in the nucleus of an atom.
  7. The chemical decomposition of a substance by passing electric current through it.
  8. A chemical change producing new substances.
  9. A compound formed from an acid and a base.
  10. Measure of the amount of matter.
  11. A substance with a sour taste and pH less than 7; turns blue litmus red.
  12. The existence of an element in more than one physical form in the same state (like diamond )

24 Clues: Measure of the amount of matter. • A bond formed by sharing of electrons. • Visible, hot gas from burning substances. • Atom or molecule with an electric charge. • A compound formed from an acid and a base. • A chemical change producing new substances. • A reaction involving both oxidation and reduction." • A neutral particle found in the nucleus of an atom. • ...

chemistry 2025-05-07

chemistry crossword puzzle
Across
  1. a thing that is composed of two or more separate elements
  2. bonding using arrows. loses or gains
  3. changes from liquid to gas
  4. chemical symbol of lithium
  5. 4/2
  6. 0/-1
  7. changes from gas to liquid
  8. has a definite shape
  9. the amount of matter in an object
  10. anything that takes up space
Down
  1. no defined shape but definite volume
  2. uses circles to show bonding. shares
  3. have a neutral charge
  4. a type of reaction that changes the chemical
  5. basic unit to chemical element
  6. electron electron in the outermost shell of an atom
  7. chemical name of Mg
  8. You can find this by looking at the atomic number
  9. no defined shape or volume
  10. the chemical name of Au

20 Clues: 4/2 • 0/-1 • chemical name of Mg • has a definite shape • have a neutral charge • the chemical name of Au • changes from liquid to gas • chemical symbol of lithium • no defined shape or volume • changes from gas to liquid • anything that takes up space • basic unit to chemical element • the amount of matter in an object • no defined shape but definite volume • ...

Chemistry Crossword 2017-11-07

Chemistry Crossword crossword puzzle
Across
  1. The smallest part of an element
  2. The sum of protons and neutrons in an atom
  3. The most stable and nonreactive elements
  4. A change that results when two or more substances react to create a different substance or substances; the new substances have completely different properties from the original ones
  5. A chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
  6. A combination of symbols that represent a compound; the formula identifies the elements in the compound and the amount of each element
  7. Invisible negatively charged particle that orbits the nucleus of an atom
  8. The ability of a substance to conduct electricity or heat
  9. Substance that helps a chemical reaction to proceed more quickly
  10. A pure substance formed when two non-metals combine
  11. A cloudy mixture that cannot be separated out from the other substance
  12. A slow chemical change that occurs when oxygen in the air reacts with a metal
  13. The most reactive non-metal
  14. An atom that has become electrically charged by losing or gaining electrons
Down
  1. An experiment in which all reactants and all products of a chemical reaction are accounted for
  2. A reaction that takes place when two or more substances react to form new substances
  3. The mass of one atom
  4. The most reactive of metals
  5. A pure substance formed when a metal and non-metal combine
  6. A chemical combination of two or more elements in a specific ratio
  7. The vertical columns in the periodic table
  8. The number of protons in the nucleus of one atom of an element
  9. An element that has both metallic and non-metallic properties
  10. Orbit of electrons around the nucleus of an atom
  11. A pure substance that cannot be broken down into other substances; substance made up of only one type of atom

25 Clues: The mass of one atom • The most reactive of metals • The most reactive non-metal • The smallest part of an element • The most stable and nonreactive elements • The sum of protons and neutrons in an atom • The vertical columns in the periodic table • Orbit of electrons around the nucleus of an atom • A pure substance formed when two non-metals combine • ...

Chem 2024-06-12

Chem crossword puzzle
Across
  1. Reaction where an acid and a base react to form water and a salt.
  2. Type of reaction involving the transfer of electrons.
  3. Organic compound with a hydroxyl group (-OH).
  4. Deterioration of metals due to chemical reactions with their environment.
  5. Substance that changes color to indicate the presence of an acid or base.
  6. Product of the reaction between an acid and a base.
  7. Organic compound formed from an acid and an alcohol.
Down
  1. Exothermic reaction involving oxygen.
  2. Functional group (-NH2) found in amino acids.
  3. Mixture of two or more metals.
  4. Process of using electricity to cause a chemical reaction.
  5. Allotrope of carbon used in pencils.

12 Clues: Mixture of two or more metals. • Allotrope of carbon used in pencils. • Exothermic reaction involving oxygen. • Functional group (-NH2) found in amino acids. • Organic compound with a hydroxyl group (-OH). • Product of the reaction between an acid and a base. • Organic compound formed from an acid and an alcohol. • Type of reaction involving the transfer of electrons. • ...

Aaron Miller chemical reactions 2017-10-11

Aaron Miller chemical reactions crossword puzzle
Across
  1. the process by which a reactant gains one or more electrons
  2. the reacting substances in a chemical reaction
  3. A measure of the assess city of a solution; equal to the negative logarithm of the hydronium Ion concentration
  4. description of a chemical reaction in which there is a net absorption of energy
  5. the minimum energy required in order for a chemical reaction to proceed
Down
  1. a substance that accepts hydrogen ions
  2. a reaction between an acid and a base
  3. description of a chemical reaction in which there is a net release of energy
  4. Description of a solution in which the hydronium ion concentration is higher than the hydroxide ion concentration
  5. description of a solution in which the hydronium ion concentration is equal to the hydroxide ion concentration

10 Clues: a reaction between an acid and a base • a substance that accepts hydrogen ions • the reacting substances in a chemical reaction • the process by which a reactant gains one or more electrons • the minimum energy required in order for a chemical reaction to proceed • description of a chemical reaction in which there is a net release of energy • ...

Chemistry crossword 2025-12-14

Chemistry crossword crossword puzzle
Across
  1. a pure substance made of one type of atom
  2. a substance formed from two or more elements chemically combined
  3. process where substances change into new substances
  4. substance formed in a chemical reaction
  5. a negatively charged particle surrounding the nucleus
  6. the dense center of an atom
Down
  1. substances physically combined but not chemically bonded
  2. starting substance in a chemical reaction
  3. the smallest unit of an element
  4. positively charged particle in the nucleus
  5. chart that organizes all known elements
  6. two or more atoms bonded together
  7. a neutral particle in the nucleus
  8. force that holds atoms together

14 Clues: the dense center of an atom • the smallest unit of an element • force that holds atoms together • two or more atoms bonded together • a neutral particle in the nucleus • chart that organizes all known elements • substance formed in a chemical reaction • starting substance in a chemical reaction • a pure substance made of one type of atom • ...

Unit 2 Vocabulary 2021-10-04

Unit 2 Vocabulary crossword puzzle
Across
  1. a representation of a molecule or compound in which the elements are represented by their symbols and subscripts represent the number of atoms of each element
  2. substance(s) resulting from a chemical reaction
  3. the formation of a new substance with different properties; cannot be undone by physical means
  4. the number placed in front of a chemical formula in a chemical equation; represents the number of molecules of that substance
Down
  1. a change caused by the interaction of two or more substances (reactants) resulting in the formation of new substances (products)
  2. combined atoms of the same element (e.g., O2)
  3. a representation of a chemical reaction by symbols and numbers
  4. the number written to the right and slightly below an element in a chemical formula; represents the number of atoms of an element present in a chemical formula
  5. the formation of solids from a solution
  6. substances that are combined and changed during a chemical reaction
  7. a substance made of two or more elements
  8. matter is not created or destroyed; only rearranged

12 Clues: the formation of solids from a solution • a substance made of two or more elements • combined atoms of the same element (e.g., O2) • substance(s) resulting from a chemical reaction • matter is not created or destroyed; only rearranged • a representation of a chemical reaction by symbols and numbers • ...

Topics 1-3 Crossword 2013-12-10

Topics 1-3 Crossword crossword puzzle
Across
  1. invertebrate of the phylum Arthropods
  2. speeds up a chemical reaction
  3. providing nourishment
  4. discharging
  5. chemical used to control molds and fungi
  6. pH value of less than 7
  7. mixture of plant compounds used as a chemical indicator
  8. protein molecule in living organisms
Down
  1. oxygen combines with other elements to from new substances
  2. chemical used to control weeds
  3. chemical used to control pests
  4. something annoying or troublesome
  5. unnatural or simulated
  6. pH value of more than 7
  7. chemical used to control insects
  8. fertilizer consisting of potassium nitrate or sodium nitrate
  9. any substance used to fertilize the soil
  10. natural process or in return for cultivation

18 Clues: discharging • providing nourishment • unnatural or simulated • pH value of more than 7 • pH value of less than 7 • speeds up a chemical reaction • chemical used to control weeds • chemical used to control pests • chemical used to control insects • something annoying or troublesome • protein molecule in living organisms • invertebrate of the phylum Arthropods • ...

Crossword Puzzle 2013-03-06

Crossword Puzzle crossword puzzle
Across
  1. Substances consumed in a chemical reaction.
  2. A substance that speeds up a chemical reaction without being consumed itself in the reaction
  3. Concentration expressed as number of moles of solute per kilogram of solvent.
  4. Process that occurs in electrolytic cells
  5. The dispersing medium of a solution.
  6. releasing heat
  7. Placing a thin layer of zinc on a ferrous material to protect the underlying surface from corrosion
  8. How closely a measured value agrees with the correct value
  9. Unsaturated hydrocarbons that contain one or more carbon-carbon triple bonds
  10. The dispersed (dissolved) phase of a solution.
Down
  1. Characterized by or causing the absorption of heat
  2. A heterogeneous mixture in which solute-like particles do not settle out
  3. The reaction of a substance with water or its ions
  4. Refers to the separation of charge between two covalently bonded atoms
  5. a reaction where two reactants are combined into one product
  6. Homogeneous mixture of two or more substances.
  7. An algebraic increase in the oxidation number
  8. Number of moles of solute per litre of solution
  9. are different structural modifications of an element; the atoms of the element are bonded together in a different manner.
  10. In aqueous solution, the process in which a molecular compound reacts with water and forms ions

20 Clues: releasing heat • The dispersing medium of a solution. • Process that occurs in electrolytic cells • Substances consumed in a chemical reaction. • An algebraic increase in the oxidation number • Homogeneous mixture of two or more substances. • The dispersed (dissolved) phase of a solution. • Number of moles of solute per litre of solution • ...

Thermochemistry Vocab 2024-02-27

Thermochemistry Vocab crossword puzzle
Across
  1. Energy required to break a bond (two words)
  2. The signs of ΔH forward and ΔH reverses of a reaction are _________
  3. Increasing temperature, surface area, and/or concentration increases ______ _____ (two words)
  4. -ΔH and +ΔS
  5. Reaction with a +ΔH
  6. Standard unit of energy
  7. Reaction that feels hot to the touch
  8. Calculate ΔH, Bond Enthalpy Problem, ___-___
  9. Heat energy transferred during a chemical reaction
  10. _______ bonds is always an exothermic process
  11. _______ bonds is always an endothermic process
  12. The change in enthalpy between reactants and products is independent of steps taken to get from one to the other(two words)
  13. Highest energy point in a chemical reaction (two words)
Down
  1. +ΔH and -ΔS
  2. Calculate ΔH, Energy Diagram Problem, ___-___
  3. Amount of heat needed to raise 1 g of substance 1 degree C, unit is J/g*C (two words)
  4. ? = *-R (two words)
  5. Lowers activation energy
  6. Measure of average kinetic energy in a sample of matter
  7. Measure of disorder in a system (how spread out energy is)
  8. Energy transferred between to samples of matter
  9. Endothermic reactions feel ________ to the touch
  10. Unit of temperature that must be used in ΔG problems
  11. According to Collision Theory, molecules must collide with sufficient energy and proper __________ to react

24 Clues: +ΔH and -ΔS • -ΔH and +ΔS • ? = *-R (two words) • Reaction with a +ΔH • Standard unit of energy • Lowers activation energy • Reaction that feels hot to the touch • Energy required to break a bond (two words) • Calculate ΔH, Bond Enthalpy Problem, ___-___ • Calculate ΔH, Energy Diagram Problem, ___-___ • _______ bonds is always an exothermic process • ...

vocab 2021-01-25

vocab crossword puzzle
Across
  1. Property of a substance defining how easily it ignites and burns.
  2. A measurable characteristic (size, shape, or state ) of matter not involving interactions with other substances (as color, hardness, boiling point).
  3. The readiness of a substance to produce hydroxide ions.
  4. Property of a substance relating to how easily it reacts with other substances.
  5. The characteristic smell of a substance.
  6. Measure of acidity or basicity of a substance.
  7. A chemical substance that produces hydrogen ions in solution and tastes sour.
  8. The amount of space an object occupies.
  9. The readiness of a substance to produce hydrogen ions.
  10. Reaction - Combining substances so that new substances are formed that are not separated by normal chemicalmeans The new substances have properties different from those of the original substances.
  11. The characteristic of being able to attract because of an electrical force
  12. The amount of matter in a defined volume.
  13. Temperature at which a liquid substance becomes a gas.
  14. Process where one or more substances are altered into new and different substances.
  15. The ability to be drawn out into thin wires
  16. The ability to be hammered or pressed down
Down
  1. The ability to rust do to oxygen
  2. The ability to produce electricity
  3. The characteristic of a slow moving sticky substance
  4. A solid substance that forms from a chemical reaction that takes place in a liquid solution.
  5. Chemical reaction in which thermal energy is released.
  6. A characteristic of a substance that describes its potential to change when interacting with other substances (reactivity with air or water, combustibility, flammability).
  7. The external features of a substance.
  8. Chemical reaction in which thermal energy is absorbed.
  9. A type of change in which the form of matter is altered but one substance is not transformed into another.
  10. Temperature at which a solid substance becomes a liquid.
  11. Measure of the amount of matter in an object.
  12. Capacity of an acid to react with a base, measured by the number of hydrogen atoms that can be replaced by a base.
  13. A chemical substance that produces hydroxide ions in solution and tastes bitter.

29 Clues: The ability to rust do to oxygen • The ability to produce electricity • The external features of a substance. • The amount of space an object occupies. • The characteristic smell of a substance. • The amount of matter in a defined volume. • The ability to be hammered or pressed down • The ability to be drawn out into thin wires • ...

7th Grade Science 2022-05-16

7th Grade Science crossword puzzle
Across
  1. A number written below and to the right of a chemical symbol that shows the number of a specific type of atom present
  2. The simplest unit of a chemical compound that can exist, formed when two or more atoms join together chemically
  3. A system comprising all the biotic and abiotic factors in an area and all the interactions among them
  4. The solid layer of Earth between the crust and the core; made of dense silicates
  5. Anything that has volume and mass
  6. The number of different species of plants and animals in an area
  7. The process in which a denser plate is pushed downward beneath a less dense plate when plates converge
  8. on or of Earth
  9. A state of matter with definite volume and shape
Down
  1. The mineralized remains of organisms, showing how long-dead organisms lived and how their bodies were structured
  2. When more than one individual or population in an ecosystem relies on the same limited resources
  3. A relationship between organisms or species that is helpful to both
  4. A substance that takes part in and undergoes change during a chemical reaction
  5. Melted, or molten, rock material beneath Earth’s surface; cools slowly to form rocks with larger crystals
  6. A chemical reaction during which plants convert radiant energy from the Sun to chemical energy; the reaction converts carbon dioxide and water into sugar (glucose) and oxygen
  7. The interaction between two animals in which one animal eats the other
  8. A nonliving factor that affects the ecosystem
  9. a living factor that affects the ecosystem
  10. A substance produced during a chemical reaction
  11. Energy transferred between two objects of different temperatures that moves continually in a predictable pattern, from a warmer site to a cooler site, until all sites have reached the same temperature
  12. thin, solid, outermost layer of Earth; is either continental (landmasses) or oceanic (ocean floors)
  13. The smallest particle of an element; made of electrons, protons, and neutrons
  14. A sugar composed of six carbon atoms that is the preferred energy source for most cells; produced by photosynthesis

23 Clues: on or of Earth • Anything that has volume and mass • a living factor that affects the ecosystem • A nonliving factor that affects the ecosystem • A substance produced during a chemical reaction • A state of matter with definite volume and shape • The number of different species of plants and animals in an area • ...

Grade 11 Chemistry Review 2024-08-29

Grade 11 Chemistry Review crossword puzzle
Across
  1. temperature system used in gas law calculations
  2. how much an atom wants an electron
  3. metal with ic suffix uses the ________val
  4. measures the strength of acids and bases
  5. group of inert elements
  6. he named the atom
  7. procedure using burettes
  8. horizontal row on the periodic table
  9. atom that has lost electrons
  10. type of bonds are determined by these values
  11. substance that is used up first in a chemical reaction
  12. law of constant composition
  13. outermost electrons in an atom
  14. number electrolyte solution that conducts electricity
Down
  1. reaction that uses an activity series
  2. the sharing of electrons between atoms
  3. diagrams using dots
  4. the simplest chemical formula
  5. reaction between acids and bases
  6. the work it takes to remove an electron from an atom
  7. 2 reactants make up 1 product
  8. he advanced the study of the atom
  9. 6.02x1023 ia known as __________number
  10. atoms of the same element with different masses
  11. electrostatic force of attraction between ions of opposite charge
  12. water is known as this
  13. makes up a solution with a solute
  14. a solution that cannot dissolve anything more at a fixed temperature
  15. process of naming chemical substances

29 Clues: he named the atom • diagrams using dots • water is known as this • group of inert elements • procedure using burettes • law of constant composition • atom that has lost electrons • the simplest chemical formula • 2 reactants make up 1 product • outermost electrons in an atom • reaction between acids and bases • he advanced the study of the atom • makes up a solution with a solute • ...

Unit 3 Chem menu 2024-10-20

Unit 3 Chem menu crossword puzzle
Across
  1. the value that includes all the markings on your piece of equipment
  2. the amount of product that should be produced
  3. the value one place past the last marking on your equipment
  4. the amount of product that really is produced
  5. wrote the atomic theory which led to the law of conservation
  6. the reactant that is left over after the reaction goes to completion
  7. the known + estimated values
  8. what is product in a chemical reaction
  9. atoms are not created or destroyed during any chemical reaction
  10. a chemical formula in which atoms on both sides are equal
  11. what kind of whole number ratio should the coefficients be?
Down
  1. what do you use to balance?
  2. compares theoretical yield to actual yield
  3. what is required for stoich problems?
  4. the reactant that determines the max amount of product that can be made
  5. the founder of modern chemistry
  6. the conversion of amount of one substance to amount of another
  7. A shortcut for stoich is to _______ the number of moles in the equation by the molar mass.
  8. Substance that undergoes change
  9. your answer should be rounded to have the same amount of sig figs as which measurement?

20 Clues: what do you use to balance? • the known + estimated values • the founder of modern chemistry • Substance that undergoes change • what is required for stoich problems? • what is product in a chemical reaction • compares theoretical yield to actual yield • the amount of product that should be produced • the amount of product that really is produced • ...

Acids and Bases 2025-09-02

Acids and Bases crossword puzzle
Across
  1. Used to represent the concentration of acids and bases.
  2. A solution with a pH greater than 7 are.
  3. Reactant + _____________--------> product(s).
  4. What element is found in the Periodic Table in group 2, period 3 ?
  5. Solutions with a pH less than 7 are.
  6. What turns red in an acidic solution and remains blue when added to an alkali solution?.
  7. Elements on the Periodic Table are placed in order according to their.
  8. The minimum amount of energy required for a chemical reaction to proceed is called
  9. The pH of distilled water.
Down
  1. Cutting or grinding up a reactant increases this.
  2. Outermost level in the electron arrangement.
  3. The acid found in lemons and oranges.
  4. A special chemical that speeds up the rate of a reaction but are not used up in that reaction.
  5. This element is given the chemical symbol 'K'.
  6. Very small particle that exists outside the centre (nucleus) of the atom.
  7. What affects the speed of particles.
  8. A positive ion.
  9. What element is found in the Periodic Table in group 11, period 5?
  10. The gas produced when an acid reacts with a metal.
  11. A negative ion.

20 Clues: A positive ion. • A negative ion. • The pH of distilled water. • Solutions with a pH less than 7 are. • What affects the speed of particles. • The acid found in lemons and oranges. • A solution with a pH greater than 7 are. • Outermost level in the electron arrangement. • Reactant + _____________--------> product(s). • This element is given the chemical symbol 'K'. • ...

Enzymes 2020-12-14

Enzymes crossword puzzle
Across
  1. a factor that affects enzyme action
  2. area of enzyme that links up with the substrate
  3. a substance that speeds up a chemical reaction without being used in the reaction
  4. a biological catalyst made of protein
  5. substance that an enzyme reacts with
  6. a reaction that releases energy
  7. the sum of all the chemical reactions that occur in the cells of an organism
Down
  1. permanent change in the shape of the active site of an enzyme
  2. a reaction that uses energy
  3. the product of maltase and maltose
  4. optimum temperature for human enzymes
  5. a vegetable where you find catalase
  6. the building blocks for protein

13 Clues: a reaction that uses energy • the building blocks for protein • a reaction that releases energy • the product of maltase and maltose • a factor that affects enzyme action • a vegetable where you find catalase • substance that an enzyme reacts with • optimum temperature for human enzymes • a biological catalyst made of protein • area of enzyme that links up with the substrate • ...

Reactions 2021-05-28

Reactions crossword puzzle
Across
  1. A reaction that is usually reversible
  2. The chemicals you start with, in a word equation
  3. A Flammable gas that forms with acids and some metals
  4. An object that puts out fires with Co2
Down
  1. A gas that turns limewater milky
  2. A reaction that is usually Irreversible
  3. The three things that keep fire lit are part of a...
  4. the chemicals that when mixed with acids create carbon-dioxide
  5. another word for hot
  6. The result of a word equation
  7. A gas that turns burnt metals into oxides
  8. a distinct compound or substance
  9. it makes water and energy when burnt

13 Clues: another word for hot • The result of a word equation • A gas that turns limewater milky • a distinct compound or substance • it makes water and energy when burnt • A reaction that is usually reversible • An object that puts out fires with Co2 • A reaction that is usually Irreversible • A gas that turns burnt metals into oxides • ...

Chemical reaction and equations 2021-06-29

Chemical reaction and equations crossword puzzle
Across
  1. Opposite of decomposition
  2. removeshydrogen or adds oxygen
  3. breaking down of the reactants using electricity
  4. calcium hydroxide
  5. an unbalanced equation
  6. removal of hydrogen from a substance.
Down
  1. an insoluble substance that is formed as a result of chemical reaction
  2. burning of natural gas
  3. AgCl turns grey
  4. both oxidation and reduction taking place in a reaction
  5. when a single reactant breaks down to simpler substances
  6. ahighly reactive metal displaces least reactive metal

12 Clues: AgCl turns grey • calcium hydroxide • burning of natural gas • an unbalanced equation • Opposite of decomposition • removeshydrogen or adds oxygen • removal of hydrogen from a substance. • breaking down of the reactants using electricity • ahighly reactive metal displaces least reactive metal • when a single reactant breaks down to simpler substances • ...

Chemical reaction and equations 2021-06-29

Chemical reaction and equations crossword puzzle
Across
  1. Opposite of decomposition
  2. removeshydrogen or adds oxygen
  3. breaking down of the reactants using electricity
  4. calcium hydroxide
  5. an unbalanced equation
  6. removal of hydrogen from a substance.
Down
  1. an insoluble substance that is formed as a result of chemical reaction
  2. burning of natural gas
  3. AgCl turns grey
  4. both oxidation and reduction taking place in a reaction
  5. when a single reactant breaks down to simpler substances
  6. ahighly reactive metal displaces least reactive metal

12 Clues: AgCl turns grey • calcium hydroxide • burning of natural gas • an unbalanced equation • Opposite of decomposition • removeshydrogen or adds oxygen • removal of hydrogen from a substance. • breaking down of the reactants using electricity • ahighly reactive metal displaces least reactive metal • when a single reactant breaks down to simpler substances • ...

Chemical reaction and equations 2021-06-29

Chemical reaction and equations crossword puzzle
Across
  1. Opposite of decomposition
  2. removeshydrogen or adds oxygen
  3. breaking down of the reactants using electricity
  4. calcium hydroxide
  5. an unbalanced equation
  6. removal of hydrogen from a substance.
Down
  1. an insoluble substance that is formed as a result of chemical reaction
  2. burning of natural gas
  3. AgCl turns grey
  4. both oxidation and reduction taking place in a reaction
  5. when a single reactant breaks down to simpler substances
  6. ahighly reactive metal displaces least reactive metal

12 Clues: AgCl turns grey • calcium hydroxide • burning of natural gas • an unbalanced equation • Opposite of decomposition • removeshydrogen or adds oxygen • removal of hydrogen from a substance. • breaking down of the reactants using electricity • ahighly reactive metal displaces least reactive metal • when a single reactant breaks down to simpler substances • ...

Crossword Puzzle 2013-03-06

Crossword Puzzle crossword puzzle
Across
  1. Substances consumed in a chemical reaction.
  2. A substance that speeds up a chemical reaction without being consumed itself in the reaction
  3. Concentration expressed as number of moles of solute per kilogram of solvent.
  4. Process that occurs in electrolytic cells
  5. The dispersing medium of a solution.
  6. releasing heat
  7. Placing a thin layer of zinc on a ferrous material to protect the underlying surface from corrosion
  8. How closely a measured value agrees with the correct value
  9. Unsaturated hydrocarbons that contain one or more carbon-carbon triple bonds
  10. The dispersed (dissolved) phase of a solution.
Down
  1. Characterized by or causing the absorption of heat
  2. A heterogeneous mixture in which solute-like particles do not settle out
  3. The reaction of a substance with water or its ions
  4. Refers to the separation of charge between two covalently bonded atoms
  5. a reaction where two reactants are combined into one product
  6. Homogeneous mixture of two or more substances.
  7. An algebraic increase in the oxidation number
  8. Number of moles of solute per litre of solution
  9. are different structural modifications of an element; the atoms of the element are bonded together in a different manner.
  10. In aqueous solution, the process in which a molecular compound reacts with water and forms ions

20 Clues: releasing heat • The dispersing medium of a solution. • Process that occurs in electrolytic cells • Substances consumed in a chemical reaction. • An algebraic increase in the oxidation number • Homogeneous mixture of two or more substances. • The dispersed (dissolved) phase of a solution. • Number of moles of solute per litre of solution • ...

Organic Definitions 2022-01-04

Organic Definitions crossword puzzle
Across
  1. isomers with the same molecular formula but different structures.
  2. Elimination of water.
  3. Addition of hydrogen.
  4. A reaction involving the breaking of bonds due to reaction with water.
  5. Molecules with the same molecular and structural formulae but a different spatial arrangement of atoms.
  6. Elimination of hydrogen.
  7. Lone pair donor.
  8. A positive ion with the positive charge on a C atom.
  9. Reaction where a molecule is lost from a saturated molecule to form an unsaturated molecule.
  10. Organic compounds containing C chains and branches.
  11. Addition of water.
  12. Molecule containing hydrogen and carbon only.
Down
  1. Molecule containing double bond(s).
  2. reaction where a molecule joins to an unsaturated molecule to produce a saturated molecule.
  3. A family of compounds with the same general formula and similar chemical properties
  4. The atom or group of atoms that is responsible for most of the chemical reactions of a molecule.
  5. Lone pair acceptor.
  6. Reaction where an atom/group replaces another atom/group.
  7. Species with an unpaired electron.
  8. isomers which have different arrangement of groups around C=C
  9. isomers which are non-superimposable mirror images
  10. Organic compounds containing one or more benzene ring(s).
  11. Molecule containing no double bonds.
  12. Organic compounds containing C rings (not aromatic rings).

24 Clues: Lone pair donor. • Addition of water. • Lone pair acceptor. • Elimination of water. • Addition of hydrogen. • Elimination of hydrogen. • Species with an unpaired electron. • Molecule containing double bond(s). • Molecule containing no double bonds. • Molecule containing hydrogen and carbon only. • isomers which are non-superimposable mirror images • ...

chemistry crossword 2016-02-26

chemistry crossword crossword puzzle
Across
  1. neutral particle in the nucleus of an atom
  2. reaction a reaction that takes place when two or more substances react to form new substances
  3. metals group 2 elements in the elements periodic table
  4. chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
  5. vertical column of elements in the periodic table
  6. chemical combination of two or more elements in a specific ratio
  7. change change in appearance or state of a substance that does not change the composition
  8. horizontal row of elements in the periodic table
Down
  1. metals group 1 elements in the periodic table ,not including hydrogen
  2. cloudy mixture in which tiny particles of one substance are held within another
  3. shells orbit of electrons around the nucleus of an atom
  4. mass unit measure of atomic mass
  5. element that has both metallic and nonmetallic properties
  6. slow chemical change that occurs when oxygen in the air reacts with a metal
  7. cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from out from the other substance
  8. vertical of elements in the periodic table
  9. positively charged particle in the nucleus of an atom

17 Clues: mass unit measure of atomic mass • neutral particle in the nucleus of an atom • vertical of elements in the periodic table • horizontal row of elements in the periodic table • vertical column of elements in the periodic table • positively charged particle in the nucleus of an atom • metals group 2 elements in the elements periodic table • ...

Chemistry Crossword 2017-11-08

Chemistry Crossword crossword puzzle
Across
  1. atoms or a group of atoms that have been electrically charged
  2. positive charges
  3. a new substance produces in a chemical reaction between reactants.
  4. negative charges
  5. release heat
  6. chemical combination of two or more elements in a specific ratio
  7. results from a chemical reaction
  8. made up of two or more substance combined
  9. mixtures are easy to see
  10. anything on the periodic table
  11. the experiment is in the open
  12. characteristics that can be used to describe a substances
Down
  1. anything that has mass and occupies space
  2. are pure substance formed as a result of the attraction between particles of opposite charges
  3. absorbs heat
  4. two or more substance are combined to form a new substance.
  5. made up of one type of matter
  6. the average mass of an element in atomic mass units
  7. nonmetals combine
  8. an element is defined by the number of protons
  9. are subtance that help a reaction rate
  10. the experiment is closed a bag
  11. if it a solid or a liquid how it is measured
  12. a substance that reacts with another substance.
  13. two or more substance that look like are one

25 Clues: absorbs heat • release heat • positive charges • negative charges • nonmetals combine • mixtures are easy to see • made up of one type of matter • the experiment is in the open • the experiment is closed a bag • anything on the periodic table • results from a chemical reaction • are subtance that help a reaction rate • anything that has mass and occupies space • ...

Science, Physics and Math Crossword 8th Grade 2025-09-30

Science, Physics and Math Crossword 8th Grade crossword puzzle
Across
  1. - Machine that changes force.
  2. - Substance with pH below 7.
  3. - Wheel with rope to lift.
  4. - Process of chemical change.
  5. - Bond with electron transfer.
  6. - Scale of acidity or alkalinity.
  7. - Energy transfer due to temperature.
  8. - Connection between atoms.
  9. - Product of acid and base reaction.
  10. - Heat transfer by contact.
  11. - Equal atoms on both sides.
  12. - Path of electrons.
  13. - Mixture uniform throughout.
  14. - Anything that has mass.
  15. - Blend of substances.
  16. - Representation of a reaction.
  17. - Ratio of mass to volume.
  18. - Atom with different neutrons.
  19. - Heat transfer by waves.
  20. - Unit of force.
  21. - Positively charged particle.
Down
  1. - Measure of heat energy.
  2. - Heat transfer in fluids.
  3. - Related to substances and reactions.
  4. - Substance with pH above 7.
  5. - Mixture not uniform.
  6. - Amount of space taken.
  7. - Work per unit time.
  8. - Resistance to movement.
  9. - Smallest part of an element.
  10. - A push or pull action.
  11. - Bond with shared electrons.
  12. - Center of an atom.
  13. - Number before a chemical formula.
  14. - Neutral atomic particle.
  15. - Shows pH change.
  16. - Force times distance.
  17. - Simple machine with pivot.
  18. - Negatively charged particle.
  19. - Circular simple machine.

40 Clues: - Unit of force. • - Shows pH change. • - Path of electrons. • - Center of an atom. • - Work per unit time. • - Mixture not uniform. • - Blend of substances. • - Force times distance. • - Amount of space taken. • - A push or pull action. • - Measure of heat energy. • - Resistance to movement. • - Anything that has mass. • - Heat transfer by waves. • - Heat transfer in fluids. • ...

Chemistry Vocab Crossword 2025-11-18

Chemistry Vocab Crossword crossword puzzle
Across
  1. the element of symbol "N"
  2. the element of symbol "O"
  3. the element of symbol "H"
  4. the term for a combination of chemical symbols (example: H2O is the chemical _____ for water)
  5. the small number that counts the atoms of one symbol
  6. the term for a chemical equation that has the same number of atoms in the reactants and products
Down
  1. the element of symbol "C"
  2. the substances mixed in a chemical reaction
  3. the substances produced after a chemical reaction
  4. the big number out front that multiplies the whole formula
  5. the equation H2 + O2 -> H2O
  6. the things we count when balancing chemical equations

12 Clues: the element of symbol "C" • the element of symbol "N" • the element of symbol "O" • the element of symbol "H" • the equation H2 + O2 -> H2O • the substances mixed in a chemical reaction • the substances produced after a chemical reaction • the small number that counts the atoms of one symbol • the things we count when balancing chemical equations • ...

Cross word for chemistry 2025-08-28

Cross word for chemistry crossword puzzle
Across
  1. liquid boiled into vapor
  2. used to describe any bond throughout
  3. a change that is visible at the start of a reaction
  4. change in a substance that is different from original
  5. a form of matter that has infinite shape and flow
  6. a solid that goes form solid to liquid in a chemical change
  7. the way a substance or liquid reflects light
  8. depends on the amount of matter in an sample
  9. a form of matter that gaseous state that is generally liquid of soild matter
  10. some materials change in composition but this DOES NOT
  11. how objects reflect of absorb light
  12. a phyisical bond between two or more components
  13. a measure of kinetic energy of particles
  14. the amount of matter or formulas
  15. a form of matter that has mass and volume
  16. a bond between two of more competes to make a reaction and is not uniformed through out
  17. the ability of a substance to undergo a specific chemical change
Down
  1. the ability of a substance to be hammered
  2. removes soils from a liquid (pasta from water)
  3. depends of the type of matter
  4. rusting and tarnishing in a chemical change
  5. how objects feel or look
  6. a quality or condition that can be observed without changing
  7. simplest form of matter
  8. something that keeps its composure
  9. a form of matter that has mass and both takes up space and volume
  10. a bond and mixture that is uniform through out
  11. a substance of two or more compounds to make a reaction
  12. a change that is visible at the end of a reaction
  13. the amount of shape
  14. the ability of a substance to be stretched
  15. chemical change with water
  16. the ratio of mass to volume

33 Clues: the amount of shape • simplest form of matter • liquid boiled into vapor • how objects feel or look • chemical change with water • the ratio of mass to volume • depends of the type of matter • the amount of matter or formulas • something that keeps its composure • how objects reflect of absorb light • used to describe any bond throughout • a measure of kinetic energy of particles • ...

Bio160 Unit 1 Terms & Definitions Practice 2025-09-10

Bio160 Unit 1 Terms & Definitions Practice crossword puzzle
Across
  1. weak electrical interactions between hydrophobic side chains of amino acids (3 words, no spaces)
  2. the chemical bond that links the sugar of one nucleotide to the phosphate of another in DNA or RNA
  3. Group of three bases that specifies particular amino acid
  4. the chemical bond that links amino acids together in a protein
  5. electrons are that shared equally between atoms
  6. Found to carry information from DNA to site of protein synthesis
  7. process of using DNA template to make complementary RNA
  8. attracts water; mixes well with water
  9. a reaction that releases energy
  10. repels water; does not mix with water
  11. Determined by sequence of bases in DNA
  12. a reaction that requires energy input
  13. chemical reaction that builds a water molecule & joins two monomers together to form one larger monomer
Down
  1. Observable (or testable) physical traits determined by the proteins it produces
  2. a cell without a nucleus or membrane-bound organelles
  3. a cell with a nucleus and membrane-bound organelles
  4. electrons are that shared unequally between atoms
  5. chemical reaction that splits a water molecule & one monomer into two
  6. process of using information in mRNA to synthesize proteins
  7. abnormal, misfolded proteins that are infectious & can cause neurodegenerative diseases
  8. unit of heredity transferred from a parent to offspring
  9. one large macromolecular machine that contains the enzymes responsible for DNA synthesis around each replication fork
  10. a bond formed when one atom transfers electrons to another
  11. a weak attraction between a hydrogen atom and another electronegative atom (2 words, no space)
  12. term used to describe amino acid chains, the complete & functional form of a molecule

25 Clues: a reaction that releases energy • attracts water; mixes well with water • repels water; does not mix with water • a reaction that requires energy input • Determined by sequence of bases in DNA • electrons are that shared equally between atoms • electrons are that shared unequally between atoms • a cell with a nucleus and membrane-bound organelles • ...

science 1 2021-10-23

science 1 crossword puzzle
Across
  1. of or at a low relatively low temperature
  2. the work or energy in the international system of units
  3. a reaction in which the nucleus of an atom splits into 2 or more smaller nuclei
  4. The condition of being hot
  5. A type of reaction in which multiple reactants are combined to from a single product
  6. Energy of motion
  7. When one or more substances are converted into different substances with different properties.
  8. Mass cannot be created or destroyed
Down
  1. the degree or intensity of heat present in a substance or object
  2. Matter and its mass cannot be created or destroyed
  3. Energy can neither be created or destroyed
  4. substances that are produced by the reactions
  5. a unit defined as the amount of heat needed to raise the temperature of a quantity of water by 1 degree
  6. a reaction or process accompanied by the release of heat
  7. substances that undergo a chemical reaction
  8. The body of theory which explains they physical properties of matter in terms of the motions of its constituent particles
  9. the ability to do work
  10. a set of procedures according to which something is done
  11. Stored energy that is available to do work at a later time
  12. symbols and formulas to represent the products and reactants in a chemical reaction

20 Clues: Energy of motion • the ability to do work • The condition of being hot • Mass cannot be created or destroyed • of or at a low relatively low temperature • Energy can neither be created or destroyed • substances that undergo a chemical reaction • substances that are produced by the reactions • Matter and its mass cannot be created or destroyed • ...

Crossword Puzzle 2013-03-06

Crossword Puzzle crossword puzzle
Across
  1. Substances consumed in a chemical reaction.
  2. A substance that speeds up a chemical reaction without being consumed itself in the reaction
  3. Concentration expressed as number of moles of solute per kilogram of solvent.
  4. Process that occurs in electrolytic cells
  5. The dispersing medium of a solution.
  6. releasing heat
  7. Placing a thin layer of zinc on a ferrous material to protect the underlying surface from corrosion
  8. How closely a measured value agrees with the correct value
  9. Unsaturated hydrocarbons that contain one or more carbon-carbon triple bonds
  10. The dispersed (dissolved) phase of a solution.
Down
  1. Characterized by or causing the absorption of heat
  2. A heterogeneous mixture in which solute-like particles do not settle out
  3. The reaction of a substance with water or its ions
  4. Refers to the separation of charge between two covalently bonded atoms
  5. a reaction where two reactants are combined into one product
  6. Homogeneous mixture of two or more substances.
  7. An algebraic increase in the oxidation number
  8. Number of moles of solute per litre of solution
  9. are different structural modifications of an element; the atoms of the element are bonded together in a different manner.
  10. In aqueous solution, the process in which a molecular compound reacts with water and forms ions

20 Clues: releasing heat • The dispersing medium of a solution. • Process that occurs in electrolytic cells • Substances consumed in a chemical reaction. • An algebraic increase in the oxidation number • Homogeneous mixture of two or more substances. • The dispersed (dissolved) phase of a solution. • Number of moles of solute per litre of solution • ...

Thermodynamics 2023-12-06

Thermodynamics crossword puzzle
Across
  1. (ΔS°) change in entropy for a reaction calculated using the standard entropies
  2. all matter other than the system being studied
  3. (S) state function that is a measure of the matter and/or energy dispersal within a system, determined by t he number of system microstates; often described as a measure of the disorder of the system
  4. (S°) entropy for one mole of a substance at 1 bar pressure; tabulated values are usually determined at 298.15 K
  5. portion of matter undergoing a chemical or physical change being studied
  6. (ΔH) heat released or absorbed by a system under constant pressure during a chemical or physical process
  7. change (G) thermodynamic property defined in terms of system enthalpy and entropy; all spontaneous processes involve a decrease in G
  8. (cal) unit of heat or other energy; the amount of energy required to raise 1 gram of water by 1 degree Celsius
  9. change process that takes place without a continuous input of energy from an external source
  10. process process that requires continual input of energy from an external source
Down
  1. (c) intensive property of a substance that represents the quantity of heat required to raise the temperature of 1 gram of the substance by 1 degree Celsius
  2. chemical reaction or physical change that absorbs heat
  3. chemical reaction or physical change that releases heat
  4. (C) extensive property of a body of matter that represents the quantity of heat required to increase its temperature by 1 degree Celsius
  5. process of measuring the amount of heat involved in a chemical or physical
  6. (H) sum of a system’s internal energy and the mathematical product of its pressure and volume
  7. study of measuring the amount heat absorbed or released during a chemical reaction or a physical change
  8. (J) SI unit of energy; 1 joule is the kinetic energy of an object with a mass of 2 kilograms

18 Clues: all matter other than the system being studied • chemical reaction or physical change that absorbs heat • chemical reaction or physical change that releases heat • portion of matter undergoing a chemical or physical change being studied • process of measuring the amount of heat involved in a chemical or physical • ...

Kaylee, Dominic, Aharon 2014-09-11

Kaylee, Dominic, Aharon crossword puzzle
Across
  1. Every living thing must have
  2. Heat the heat in calories required to raise the temperature of one gram of a substance one degree Celsius
  3. everything that has mass that takes up space
  4. a substance with no fixed shape
  5. basic unit of a chemical element
  6. Change the substance bubbles or makes a reaction with change
  7. Amount of space a substance takes up
  8. the same
  9. the measure of heat
  10. to a chemical change that is accompanied by an absorption of heat
  11. one of the basic substances that are made of atoms
  12. of Energy stating that energy cannot be created or destroyed
  13. form of energy
  14. formed by a chemical result
  15. measuring by the quantity
  16. the thing that forms physical objects and occupies space
  17. firm or hard
  18. a portion of matter consisting of two or more components
Down
  1. Substance a sample of matter with both definite and constant composition with distinct chemical properties.
  2. Change a usually reversible change in the physical properties of a substance
  3. amount of something in description
  4. the act or process of evaporating
  5. of Matter solid, liquid, gas, and plasma
  6. group of atoms bonded together
  7. no actual shape usually wet
  8. different
  9. to a chemical change that is accompanied by a liberation of heat
  10. a substance made up of chemical elements
  11. to form (something) by combining separate things
  12. substance that changes during a reaction
  13. Energy energy associated with motion

31 Clues: the same • different • firm or hard • form of energy • the measure of heat • measuring by the quantity • no actual shape usually wet • formed by a chemical result • Every living thing must have • group of atoms bonded together • a substance with no fixed shape • basic unit of a chemical element • the act or process of evaporating • amount of something in description • ...

Review Crossword Notes Sets 9-12 2021-11-15

Review Crossword Notes Sets 9-12 crossword puzzle
Across
  1. In ________, the particles move fast enough to change positions, but cannot escape the attraction of nearby particles. (9)
  2. The items on the RIGHT side of a chemical equation are called the ___________. (10)
  3. A _________ reaction combines an element + a compound. (10)
  4. Acids taste ________. (12)
  5. Gases have neither a shape nor a __________. (9)
  6. ___________ temperatures make things dissolve faster. (11)
  7. A ___________ reaction involves just one compound only. That compound breaks into two or more elements or compounds. (10)
  8. Compounds that donate or give away a hydrogen ion are ______.(12)
  9. The items on the LEFT side of a chemical equation are called the __________. (10)
  10. In ________, the particles "vibrate in place." (9)
  11. Adding salt to water makes the freezing temperature of the water ___________. (11)
  12. When an acid and a base react, the reaction is called a ____________ reaction. (12)
  13. A compound that acts as both an acid and a base is called an ____________ compound. (12)
Down
  1. A ___________ reaction combines a compound + a compound. (10)
  2. The products of a neutralization reaction are water and a _____. (12)
  3. The kinetic theory of matter says that particles are always in constant __________. (9)
  4. ___________ acid is found in your stomach. (12)
  5. in _________, particles move freely in any direction. (9)
  6. A _________ reaction combines element + element.(10)
  7. _________ is a number that tells how much solute can be dissolved in 1 Liter of water. (11)
  8. In a solution, the substance doing the dissolving is called the __________. (11)
  9. A __________ reaction combines a hydrocarbon and oxygen.(10)
  10. Solids have both a ________ and a size that doesn't change. (9)
  11. In a solution, the substance being dissolved is the ____________. (11)
  12. Bases taste _________. (12)
  13. Compounds that accepts or takes a away hydrogen atoms are ________. (12)

26 Clues: Acids taste ________. (12) • Bases taste _________. (12) • ___________ acid is found in your stomach. (12) • Gases have neither a shape nor a __________. (9) • In ________, the particles "vibrate in place." (9) • A _________ reaction combines element + element.(10) • in _________, particles move freely in any direction. (9) • ...

Subject specific vocabulary 2025-02-27

Subject specific vocabulary crossword puzzle
Across
  1. radical: Species with an unpaired electron.
  2. isomers: Molecules with the same molecular formula but different structures.
  3. Molecule containing hydrogen and carbon only.
  4. isomers: Type of structural isomerism: Structural isomers that differ by having a different carbon chain.
  5. series: A family of compounds with the same general formula and similar chemical properties. In a series, each member differs by the addition of a CH2 group, and there is a gradual change in physical properties.
  6. isomers: Type of stereoisomerism: molecules which have different arrangement of groups around C=C.
  7. reaction: A reaction where an atom/group replaces another atom/group.
  8. A reaction involving the breaking of bonds due to reaction with water.
  9. Elimination of hydrogen.
  10. group isomers: Type of structural isomerism: Structural isomers that differ by having a different functional group.
  11. Organic compounds containing C rings (not aromatic rings), also called alicyclic.
  12. isomers: Type of stereoisomerism: molecules which are non-superimposable mirror images.
  13. reaction: A reaction where a molecule joins to an unsaturated molecule to produce a saturated molecule.
  14. reaction: A reaction where a molecule is lost from a saturated molecule to form an unsaturated molecule.
Down
  1. A positive ion with the positive charge on a C atom.
  2. Organic compounds containing C chains and branches.
  3. Lone pair acceptor.
  4. chemistry: Study of compounds containing carbon.
  5. isomers: Type of structural isomerism: Structural isomers that differ by having the functional group in a different position.
  6. Elimination of water.
  7. Lone pair donor.
  8. Addition of hydrogen.
  9. Molecules with the same molecular and structural formulae but a different spatial arrangement of atoms.
  10. Molecule containing double bond(s).
  11. Molecule containing no double bonds.
  12. group: The atom or group of atoms that is responsible for most of the chemical reactions of a molecule.
  13. Addition of water.
  14. Organic compounds containing one or more benzene rings.

28 Clues: Lone pair donor. • Addition of water. • Lone pair acceptor. • Elimination of water. • Addition of hydrogen. • Elimination of hydrogen. • Molecule containing double bond(s). • Molecule containing no double bonds. • radical: Species with an unpaired electron. • Molecule containing hydrogen and carbon only. • chemistry: Study of compounds containing carbon. • ...

Chemical reactions 2016-10-23

Chemical reactions crossword puzzle
Across
  1. rapid reaction of oxygen
  2. rain that has acids such as nitric acids
  3. hydrated iron
  4. endothermic reaction that takes place in green plants
  5. the breakdown of metals
  6. term commonly used for sodium chloride
Down
  1. protects aluminium from corrosion
  2. chemicals produced in a chemical reaction
  3. highly combustible chemicals
  4. a chemical in glucose is broken down
  5. a black coating of silver sulphide

11 Clues: hydrated iron • the breakdown of metals • rapid reaction of oxygen • highly combustible chemicals • protects aluminium from corrosion • a black coating of silver sulphide • a chemical in glucose is broken down • term commonly used for sodium chloride • rain that has acids such as nitric acids • chemicals produced in a chemical reaction • ...

AP Chem Unit 9 Vocab 2022-06-02

AP Chem Unit 9 Vocab crossword puzzle
Across
  1. The catalyst exists in a different phase than the reactants
  2. A number, usually between 0 and 1, which represents the fraction of collisions with an orientation that allows the reaction to occur
  3. Shows the relationship between the rate constant and the temperature in kelvin
  4. Forms in one elementary step of a reaction mechanism and is consumed in another
  5. The relationship between the rate of reaction and the concentration of the reaction
  6. The reactant molecule in organic chemistry
  7. A relationship between the concentration of the reactants and time. Depends on the order of the reaction
  8. Biological catalyst that increases the rates of biochemical reactions. Usually large protein molecules with complex three-dimensional structures
  9. A chemical reaction occurs after a sufficiently energetic collision between two reactant molecules
  10. The time required for the concentration of a reactant to fall to one-half of its initial value
  11. The rate of the reaction is directly proportional to the concentration of the reactant. Rate slows down as the reaction proceeds because the concentration of the reactant decreases
  12. A substance not used up during a reaction, but increases the rate. It also does not affect the products obtained. Merely changes the pathway of the reactants to products and in doing so, reduces the activation energy and speeds up the reaction
  13. A high-energy intermediate state that a molecule must go through to get from reactant to product
  14. The series of individual chemical steps by which an overall chemical reaction occurs. A complete, detailed description of the reaction at the molecular level. Specifies the individual collisions and reactions that result in the overall reaction
  15. The catalyst exists in the same phase or state as the reactants
Down
  1. The rate of the reaction is proportional to the square of the concentration of the reactant. Thus rate is more sensitive to the reactant concentration
  2. Change of concentration over change of time. Measure of how fast the reaction occurs
  3. The sum of the reaction order exponents (m+n)
  4. The slowest of the elementary steps, limits the overall rate of reaction and therefore determines the rate law for the overall reaction
  5. Energy barrier or hump that must be surmounted for the reactants to be transformed into products
  6. A number between 0 and 1 that represents the fraction of molecules that have enough energy to make it over the activation barrier on a given approach, resulting in a product. Increases with increasing temperature but decreases with increasing activation energy
  7. The number of collisions that occur per unit time, which we can calculate for a gas-phase reaction from the pressure of the gasses and the temperature of the reaction mixture
  8. The rate at any one point in time and represented by the instantaneous slope of the curve at that point. Determined by calculating the slope of the tangent to the curve at the point of interest
  9. The rate of reaction is independent of the concentration of the reactant. Decreases linearly with time; rate is constant because reaction does not slow down as concentration of reactant decreases
  10. The number of reactant particles involved in the step. Usually unimolecular and bimolecular, but on rare occasions termolecular
  11. Specific area on the enzyme's structure that the substrate connects into like a lock
  12. The number of approaches to the activation barrier per unit time. Equal to orientation factor times collision frequency
  13. A singular step in a reaction mechanism that cannot be broken down into simpler steps

28 Clues: The reactant molecule in organic chemistry • The sum of the reaction order exponents (m+n) • The catalyst exists in a different phase than the reactants • The catalyst exists in the same phase or state as the reactants • Shows the relationship between the rate constant and the temperature in kelvin • ...

Review Crossword Notes Sets 9-12 2021-11-15

Review Crossword Notes Sets 9-12 crossword puzzle
Across
  1. ___________ temperatures make things dissolve faster. (11)
  2. _________ is a number that tells how much solute can be dissolved in 1 Liter of water. (11)
  3. The products of a neutralization reaction are water and a _____. (12)
  4. A ___________ reaction involves just one compound only. That compound breaks into two or more elements or compounds. (10)
  5. Compounds that donate or give away a hydrogen ion are ______.(12)
  6. In ________, the particles move fast enough to change positions, but cannot escape the attraction of nearby particles. (9)
  7. A ___________ reaction combines a compound + a compound. (10)
  8. Acids taste ________. (12)
  9. In ________, the particles "vibrate in place." (9)
  10. In a solution, the substance doing the dissolving is called the __________. (11)
  11. When an acid and a base react, the reaction is called a ____________ reaction. (12)
  12. A _________ reaction combines element + element.(10)
  13. Solids have both a ________ and a size that doesn't change. (9)
Down
  1. Gases have neither a shape nor a __________. (9)
  2. ___________ acid is found in your stomach. (12)
  3. A __________ reaction combines a hydrocarbon and oxygen.(10)
  4. The kinetic theory of matter says that particles are always in constant __________. (9)
  5. in _________, particles move freely in any direction. (9)
  6. A _________ reaction combines an element + a compound. (10)
  7. In a solution, the substance being dissolved is the ____________. (11)
  8. A compound that acts as both an acid and a base is called an ____________ compound. (12)
  9. The items on the RIGHT side of a chemical equation are called the ___________. (10)
  10. The items on the LEFT side of a chemical equation are called the __________. (10)
  11. Adding salt to water makes the freezing temperature of the water ___________. (11)
  12. Bases taste _________. (12)
  13. Compounds that accepts or takes a away hydrogen atoms are ________. (12)

26 Clues: Acids taste ________. (12) • Bases taste _________. (12) • ___________ acid is found in your stomach. (12) • Gases have neither a shape nor a __________. (9) • In ________, the particles "vibrate in place." (9) • A _________ reaction combines element + element.(10) • in _________, particles move freely in any direction. (9) • ...

Lab 5 2021-07-15

Lab 5 crossword puzzle
Across
  1. When a liquid is not soluble in another liquid and layers are formed.
  2. Type of replacement reaction Pb(NO3)2(aq) + 2 KI(aq)  2 KNO3(aq) + PbI2(s)
  3. Always on the right side of the yield arrow in a reaction.
  4. The ability of a solute to dissolve in a solvent to produce a solution.
  5. The phase change from a solid to a liquid.
  6. The phase change from a gas to a solid.
  7. Type of reaction AgNO3(aq) + NaCl(aq)  AgCl(s) + NaNO3(aq)
  8. A change occurs when one or more substances is transformed into one or more different substances.
  9. A type of change in which the form of the substance is altered but the substance is not transformed into another substance.
  10. Type of replacement reaction Mg(s) + HCl(aq)  MgCl2(aq) + H2(g)
  11. If a solid is in a liquid a heterogenous mixture is formed.
Down
  1. If a solid is in a liquid, a solution is formed
  2. A type of reaction where one substance decomposes to 2 or more substances.
  3. A type of property that describes a substances potential to undergo a chemical reaction.
  4. The phase change from a liquid to a gas.
  5. A homogeneous mixture comprised of the solute and solvent.
  6. The phase change from a liquid to a solid.
  7. Always on the left side of the yield arrow in a reaction.
  8. The pressure of a liquid is the pressure exerted by gas molecules of the substance in equilibrium with liquid molecules of the substance.
  9. A property is an attribute of a substance that can be observed or measured without changing the identity of the substance.
  10. The phase change from a solid to a gas.
  11. The phase change from a gas to a liquid.
  12. The arrow separates the reactants from the products in a reaction.
  13. When a liquid dissolves completely in another liquid, in all proportions.

24 Clues: The phase change from a gas to a solid. • The phase change from a solid to a gas. • The phase change from a liquid to a gas. • The phase change from a gas to a liquid. • The phase change from a liquid to a solid. • The phase change from a solid to a liquid. • If a solid is in a liquid, a solution is formed • Always on the left side of the yield arrow in a reaction. • ...

Science Life Processes Vocabulary Work 2025-03-06

Science Life Processes Vocabulary Work crossword puzzle
Across
  1. changes that occur in matter without changing chemical composition
  2. the ability to do something
  3. A unit of measuring energy in food
  4. Substances at the beginning of the chemical reaction (Input)
  5. is a chemical process that occurs in plants, algae, and some types of bacteria, when they are exposed to sunlight.
  6. Matter cannot be created or destroyed, it can only change
  7. Substances producted by a chemical reaction (Output)
Down
  1. is a process where a set of substances undergo a chemical change to form a different substance
  2. is a type of sugar that carbohydrates break into
  3. is a chemical reaction to the process by which cells derive energy from glucose.

10 Clues: the ability to do something • A unit of measuring energy in food • is a type of sugar that carbohydrates break into • Substances producted by a chemical reaction (Output) • Matter cannot be created or destroyed, it can only change • Substances at the beginning of the chemical reaction (Input) • changes that occur in matter without changing chemical composition • ...

Chemical Reactions 2025-01-28

Chemical Reactions crossword puzzle
Across
  1. The smallest particle of matter made up of protons, neutrons, and electrons.
  2. Substances that are combined to form products in a chemical reaction
  3. A change in state of matter where no new substance is formed.
  4. More than one atom combined to form a substance (e.g., oxygen – O2).
  5. A scientist who uses chemical reactions to solve problems.
  6. The result of substances being combined in a chemical reaction.
Down
  1. Chemicals combining to cause new substances to be formed.
  2. A scientist who uses chemical reactions to make new materials.
  3. A chemical that makes a chemical reaction happen faster.
  4. Characteristics of matter that can be used to identify substances.

10 Clues: A chemical that makes a chemical reaction happen faster. • Chemicals combining to cause new substances to be formed. • A scientist who uses chemical reactions to solve problems. • A change in state of matter where no new substance is formed. • A scientist who uses chemical reactions to make new materials. • ...

Chemistry 1 2020-08-06

Chemistry 1 crossword puzzle
Across
  1. protein or RNA that catalyzes chemical reactions energy that matter possesses because of its motion
  2. atom with a negative charge
  3. heavy subatomic particle having a positive charge and found in the atom’s nucleus
  4. amount of energy greater than the energy contained in the reactants, which must be overcome for a reaction to proceed
  5. Smallest unit of an element that retains the unique properties of that element
  6. atom with an overall positive or negative charge
  7. area of space a given distance from an atom’s nucleus in which electrons are grouped
  8. outermost electron shell of
  9. arrangement of the elements in a table according to their atomic number; elements having similar properties because of their electron arrangements compose columns in the table, while elements having the same number of valence shells compose rows in the table
  10. one or more substances produced by a chemical reaction
  11. number of particles within a given space
  12. atom with a positive charge
  13. substance composed of two or more different elements joined by chemical bonds
Down
  1. energy that matter possesses because of its motion
  2. stored energy matter possesses because of the positioning or structure of its components
  3. one or more substances that enter into the reaction
  4. heavy subatomic particle having no electrical charge and found in the atom’s nucleus
  5. physical substance; that which occupies space and has mass
  6. sum of the number of protons and neutrons in the nucleus of an atom
  7. substance that increases the rate of a chemical reaction without itself being changed in the process
  8. chemical bond in which two atoms share electrons, thereby completing their valence shells
  9. substance that cannot be created or broken down by ordinary chemical means
  10. two or more atoms covalently bonded together
  11. atom
  12. attraction between an anion and a cation
  13. subatomic particle having a negative charge and nearly no mass; found orbiting the atom’s nucleus
  14. number of protons in the nucleus of an atom
  15. one of the variations of an element in which the number of neutrons differ from each other
  16. electrical force linking atoms

29 Clues: atom • atom with a negative charge • outermost electron shell of • atom with a positive charge • electrical force linking atoms • attraction between an anion and a cation • number of particles within a given space • number of protons in the nucleus of an atom • two or more atoms covalently bonded together • atom with an overall positive or negative charge • ...

Chemistry Vocab 2023-10-18

Chemistry Vocab crossword puzzle
Across
  1. A mixture where the components are evenly mixed and is uniform throughout
  2. Subatomic particle in the nucleus of an atom with a positive charge
  3. A mixture where the components can clearly be seen; not uniform throughout
  4. Smallest particle in an element or compound that has the chemical properties of that element
  5. The simplest form of a pure substance that cannot be broken into anything else
  6. Located on the right side of a chemical equation; substances formed in a chemical reaction
Down
  1. The amount of matter does not change during a chemical reaction, makes chemical equations balanced
  2. Two or more elements that are chemically combined
  3. A physical combination of two or more substances that keep their own individual properties
  4. Subatomic particle on the outside of the nucleus of an atom with a negative charge
  5. Subatomic particle in the nucleus of an atom with no charge
  6. Located on the left side of a chemical equation; substances broken apart or combined in a chemical reaction

12 Clues: Two or more elements that are chemically combined • Subatomic particle in the nucleus of an atom with no charge • Subatomic particle in the nucleus of an atom with a positive charge • A mixture where the components are evenly mixed and is uniform throughout • A mixture where the components can clearly be seen; not uniform throughout • ...

1,3,7 2024-05-20

1,3,7 crossword puzzle
Across
  1. A term used to describe a cell that has lost a lot of water
  2. What coulor does hydrogen carbonate indicated turn in high CO2 environments
  3. Ability to control their internal condition
  4. Raw materials used in a chemical reaction
  5. Having a lower osmotic pressure than a particular fluid, typically a body fluid or intracellular fluid.
  6. Removal of metabolic waste substances produced by a chemical reaction in the cells
Down
  1. ATP Chemical equation for anaerobic respiration
  2. What molecules diffuse in and out of our spells during cellular respiration
  3. A membrane able to let some substances pass through, but not all
  4. New substance formed during a chemical reaction
  5. What is the acronym for the factors of living organisms
  6. What is required for active transportation
  7. A phenomenon that occurs when animal cells are sensitive to a hypertonic solution

13 Clues: Raw materials used in a chemical reaction • What is required for active transportation • Ability to control their internal condition • ATP Chemical equation for anaerobic respiration • New substance formed during a chemical reaction • What is the acronym for the factors of living organisms • A term used to describe a cell that has lost a lot of water • ...

Kinetics and equilibrum 2023-03-24

Kinetics and equilibrum crossword puzzle
Across
  1. Speeds up a chemical reaction
  2. Will happen when when the reactant species collide
  3. Minimum amount of energy required to cause a chemical reaction
  4. ^H
  5. Pressure vs Volume
  6. The right side of a reaction
Down
  1. The energy that is stored in an object due to its relative posistion
  2. A peak of a potential diagram
  3. The left side of a reaction
  4. Used to predict the rate of a chemicl eaction
  5. Amount of disorder in a system

11 Clues: ^H • Pressure vs Volume • The left side of a reaction • The right side of a reaction • Speeds up a chemical reaction • A peak of a potential diagram • Amount of disorder in a system • Used to predict the rate of a chemicl eaction • Will happen when when the reactant species collide • Minimum amount of energy required to cause a chemical reaction • ...

Unit 1 Ecology 2021-09-27

Unit 1 Ecology crossword puzzle
Across
  1. Glucose (sugar) Sugar that is produced by photosynthesis, and used for cell respiration
  2. Living factors in an environment
  3. The gas that is a reactant of cell respiration ("inhaled" by living organisms) and a product of photosynthesis ("exhaled" by plants")
  4. Non-living factors in an environment
  5. Respiration The process in cells of ALL LIVING THINGS using glucose and oxygen to release cellular energy called ATP
  6. An organism that can't make its own food, and must eat other organisms for energy
  7. The chemicals that come OUT of a chemical reaction; the product
  8. energy) Energy from the sun
  9. The chemicals that go INTO a chemical reaction; the ingredient
Down
  1. Something that speeds up a reaction
  2. The organelle where photosynthesis occurs
  3. energy The type of energy stored in chemical bonds; the energy of food
  4. the process of plants, algae, and some bacteria, synthesizing food(glucose) using solar energy
  5. Reaction The process that changes/transforms one set of chemicals into another set of chemicals
  6. The organelle where cell respiration occurs
  7. An organism that makes its own food via photosynthesis
  8. Dioxide (CO2) The gas that is a reactant of photosynthesis ("inhaled" by plants) and a product of cell respiration ("exhaled" by all living organisms")
  9. (adenosine triphosphate) Cellular energy

18 Clues: energy) Energy from the sun • Living factors in an environment • Something that speeds up a reaction • Non-living factors in an environment • (adenosine triphosphate) Cellular energy • The organelle where photosynthesis occurs • The organelle where cell respiration occurs • An organism that makes its own food via photosynthesis • ...

Chemical Reactions, Equations, & Stuff 2023-02-06

Chemical Reactions, Equations, & Stuff crossword puzzle
Across
  1. Electrons in the outermost energy level of an atom
  2. a chemical _______ is a series of letters and numbers used to represent a molecule/compound.
  3. a chemical_______ is a shorthand way to represent a chemical reaction.
  4. A compound formed by an ionic bond (or bonds); usually a metal and a nonmetal bonded together.
  5. A substance made up of atoms of two or more different elements joined by chemical bonds
  6. A substance produced in a chemical reactionion atom that has a positive or negative charge
  7. bond formed by the sharing of electrons between atoms
  8. a chemical compound formed by the sharing of electrons; usually two nonmetals
  9. Number of protons in the nucleus
  10. A negatively charged ion; gains 1 or more electrons
  11. two or more atoms held together by covalent bonds
  12. the attractive force that holds atoms or ions together
  13. A chemical substance that is present at the start of a chemical reaction; reacts
  14. a change where a new substance is produced with different chemical properties.
  15. causes a chemical change which forms new substances.
Down
  1. a pure substance made up of one kind of atom.
  2. Matter can be neither created nor destroyed.
  3. A small, lowered number in a chemical formula that tells the number of atoms of an element in a molecule; CAN NOT change this when balancing a chemical equation!
  4. A large number in front of a chemical formula in an equation that indicates how many of that molecule there are; this number CAN be changed when balancing chemical equations!
  5. the smallest particle of a covalent compound
  6. A positively charged ion; gives up one or more electrons
  7. An atom is always trying to gain to lose electrons to get to a full valence shell. For most that means getting to 8 electrons.
  8. a chemical bond in which one atom loses an electron to form a positive ion and the other atom gains to electron to form a negative ion

23 Clues: Number of protons in the nucleus • Matter can be neither created nor destroyed. • the smallest particle of a covalent compound • a pure substance made up of one kind of atom. • two or more atoms held together by covalent bonds • Electrons in the outermost energy level of an atom • A negatively charged ion; gains 1 or more electrons • ...

Chemistry So Far 2015-05-25

Chemistry So Far crossword puzzle
Across
  1. A solution with a pH of 7
  2. A reaction that absorbs energy from its surroundings
  3. This type of combustion reaction produces carbon monoxide
  4. This type of reaction is the breakdown of a metal by oxygen
  5. Paint stripper, oven cleaner, and cement are an example of this (2 words)
  6. Releases OH- ions in water
  7. Number of protons in an atom (2 words)
  8. Releases H+ ions in water
  9. Respiration is this type of reaction
  10. A product of a neutralisation reaction
  11. 4NH3 + __O2 → 4NO + 6H2O
  12. ______ Electrons: Electrons in an atom's outermost shell
Down
  1. Negatively charged particle
  2. Bond between two oppositely charged ions
  3. The pH of lemon juice
  4. An unstable isotope of an element
  5. Atoms of an element with different numbers of neutrons
  6. Used to measure pH
  7. The substances you start with in a chemical reaction
  8. _____ Gas: Combustion requires this
  9. The name for an ion of Chlorine
  10. ______ Decay: A type of nuclear reaction emitting a particle from the nucleus

22 Clues: Used to measure pH • The pH of lemon juice • 4NH3 + __O2 → 4NO + 6H2O • A solution with a pH of 7 • Releases H+ ions in water • Releases OH- ions in water • Negatively charged particle • The name for an ion of Chlorine • An unstable isotope of an element • _____ Gas: Combustion requires this • Respiration is this type of reaction • Number of protons in an atom (2 words) • ...

Chemistry Reaction Equations Crossword 2017-01-13

Chemistry Reaction Equations Crossword crossword puzzle
Across
  1. Symbol for a completion reaction
  2. A small number in a formula which shows the ratio
  3. Bonds with sharing of pairs of electrons
  4. Chemical equation that is not balanced
  5. Reaction type AB > A + B (splitting a compound)
  6. Reaction that makes a new compound from elements
  7. Reaction types of single or double ___
  8. Ions made of a few bonded atoms such as OH-
  9. Bonding of a metal with a non-metal
  10. Measure electronegativity difference to find this
Down
  1. Set ratio of elements in a compound
  2. Substance after a reaction occurs
  3. Elements that have properties between metals and non-metals
  4. elements or compounds present before a reaction occurs
  5. Dissolved in water symbol (aq)
  6. Reaction of burning in oxygen
  7. All reactions must be ___
  8. Reactions that absorb energy
  9. Numbers used to multiply amounts of reactants
  10. Pair of identical atoms bonded in a molecule
  11. Indicators of reactions include ___ change
  12. Physical state of H2O at room temperature

22 Clues: All reactions must be ___ • Reactions that absorb energy • Reaction of burning in oxygen • Dissolved in water symbol (aq) • Symbol for a completion reaction • Substance after a reaction occurs • Set ratio of elements in a compound • Bonding of a metal with a non-metal • Chemical equation that is not balanced • Reaction types of single or double ___ • ...

chemistry crosword 2015-11-17

chemistry crosword crossword puzzle
Across
  1. formula NaHCO3
  2. charge the amount of electrons in a cell
  3. gases least reactive elements
  4. middle of non-metals and metals
  5. rows on periodic table of elements
  6. sometimes Latin, sometimes first two letters
  7. columns on periodic table of elements
  8. two metals or two non-metals
  9. affects the rate of reaction
  10. typically hard, shiny and a solid
  11. most reactive elements
  12. number number on the top left of element tile
Down
  1. mass number at the bottom of element tile
  2. reaction when the reactants change colour, odour or temperature
  3. compound a compound with a metal and non-metal
  4. causes a faster reaction
  5. an organic based catalyst
  6. table the diagram where it displays all the elements
  7. not a good conductor
  8. area can increase the rate of reaction
  9. system a system where all reactants are accounted for
  10. substances that help a reaction proceed faster
  11. reaction when the reactants change state
  12. rate how fast two reactants react
  13. system a system where all the reactants are not accounted for

25 Clues: formula NaHCO3 • not a good conductor • most reactive elements • causes a faster reaction • an organic based catalyst • two metals or two non-metals • affects the rate of reaction • middle of non-metals and metals • gases least reactive elements • typically hard, shiny and a solid • rows on periodic table of elements • rate how fast two reactants react • ...

Conservation of Mass & Chemistry vocabulary 2021-11-08

Conservation of Mass & Chemistry vocabulary crossword puzzle
Across
  1. a number written below and to the right of a chemical symbol that shows the number of a specific type of atom present
  2. a shorthand notation that uses chemical symbols and numbers as subscripts to represent the type and number of atoms that are present in the smallest unit of a substance
  3. chemical formulas and symbols written to represent a reaction
  4. the process by which one or more substances change to produce one or more different substances
  5. the smallest particle of an element; made of protons, neutrons and electrons
  6. a substance produced during a chemical reaction
  7. - a substance that takes part in and undergoes change during a chemical reaction
Down
  1. a number placed in front of a chemical symbol or formula that represents the number of molecules
  2. to prevent the loss of something
  3. scientific law stating that the mass of all reactants must equal the mass of all products; matter is neither created nor destroyed
  4. a measure of how much matter is present in a substance
  5. physical and chemical characteristics of matter used to describe or identify a substance
  6. the simplest unit of a chemical compound that can exist, formed when two or more atoms join together chemically

13 Clues: to prevent the loss of something • a substance produced during a chemical reaction • a measure of how much matter is present in a substance • chemical formulas and symbols written to represent a reaction • the smallest particle of an element; made of protons, neutrons and electrons • - a substance that takes part in and undergoes change during a chemical reaction • ...

U3S2 Vocab 2021-11-27

U3S2 Vocab crossword puzzle
Across
  1. number of units in one mole of a substance (in scientific notation)
  2. the actual amount of moles, mass, etc. that is produced in a reaction
  3. a reactant that is consumed in a chemical reaction
Down
  1. the number of moles in the compounds of a chemical reaction
  2. a calculation of the mass of a product produced in a chemical reaction
  3. measure of moles produced in the product of a chemical reaction
  4. an equation that shows the relationship between reactants and products during any stage of a chemical reaction
  5. reactants that aren't used up when the reaction is complete

8 Clues: a reactant that is consumed in a chemical reaction • the number of moles in the compounds of a chemical reaction • reactants that aren't used up when the reaction is complete • measure of moles produced in the product of a chemical reaction • number of units in one mole of a substance (in scientific notation) • ...

chemistry crossword 2023-07-20

chemistry crossword crossword puzzle
Across
  1. What is the measure of acidity or alkalinity of a solution?
  2. Which category of elements typically has good electrical conductivity and is malleable?
  3. What is the smallest unit of a compound formed by bonding atoms?
  4. What property of matter is measured in kilograms or grams?
  5. What word describes a substance that does not dissolve in a particular solvent?
  6. What subatomic particle carries a positive charge?
  7. In a solution, what is the substance in which other substances are dissolved?
  8. What word describes a solution with a small amount of solute compared to the solvent?
  9. What term refers to the conductive surfaces used to pass electricity through an electrolyte?
  10. In which state of matter do particles have a fixed shape and volume?
  11. What is a substance made up of only one type of atom?
  12. What is the process of a solid turning directly into a gas without becoming a liquid first?
  13. What term refers to the number of electrons in the outermost shell of an atom?
  14. What process involves the loss of electrons or an increase in oxidation state?
  15. What type of bond forms when electrons are transferred from one atom to another?
  16. What number is placed in front of chemical formulas to balance a chemical equation?
  17. What type of base dissolves in water to produce hydroxide ions?
  18. What is the smallest unit of an element?
  19. scale What measurement system indicates the acidity or basicity of a solution?
  20. What is a substance present at the beginning of a chemical reaction?
  21. What is a substance composed of two or more different elements chemically bonded together?
  22. What is a mixture of two or more elements, at least one being a metal?
  23. What type of substance has a pH less than 7 and releases protons in a solution?
  24. What term refers to the amount of solute dissolved in a given amount of solvent?
  25. What term describes the process of a liquid turning into a gas at its boiling point?
  26. What is the symbolic representation of a chemical compound?
  27. What type of substance has a pH greater than 7 and accepts protons in a solution?
  28. What is the negatively charged subatomic particle?
  29. In which state of matter do particles have high kinetic energy and are far apart?
Down
  1. What term describes a chemical reaction that absorbs heat from the surroundings?
  2. What substance speeds up a chemical reaction without being consumed in the process?
  3. What is the solid formed in a chemical reaction that separates from the solution?
  4. What group of elements has a stable electron configuration and low reactivity? (first word)
  5. Which group of elements includes fluorine, chlorine, bromine, and iodine?
  6. What is the substance formed as a result of a chemical reaction?
  7. What term is used for a compound formed by the combination of oxygen and another element?
  8. What type of reaction breaks down a compound into simpler substances?
  9. What word describes the table that organizes elements based on their properties and atomic number?
  10. What term describes the process of a solid turning into a liquid at its melting point?
  11. What process involves the formation of ions from a neutral atom or molecule?
  12. What term describes a chemical reaction that releases heat to the surroundings?
  13. What term refers to atoms of the same element with different numbers of neutrons?
  14. What is the substance that is dissolved in a solvent to form a solution?
  15. What process involves the use of electrical energy to drive a non-spontaneous chemical reaction?
  16. What process involves the gain of electrons or a decrease in oxidation state?
  17. What separation technique is used to separate solids from liquids using a filter?
  18. What subatomic particle carries no charge (neutral)?
  19. What word describes the process of a solute mixing uniformly with a solvent?
  20. What type of bond is formed by the sharing of electrons between atoms?
  21. What is the capacity to do work or produce heat?

50 Clues: What is the smallest unit of an element? • What is the capacity to do work or produce heat? • What subatomic particle carries a positive charge? • What is the negatively charged subatomic particle? • What subatomic particle carries no charge (neutral)? • What is a substance made up of only one type of atom? • ...

Anthony Magliozzi 2022-03-08

Anthony Magliozzi crossword puzzle
Across
  1. mass of one mole of a substance
  2. 6.02x10^23
  3. the reactant that gets consumed first in a chemical reaction and therefore limits how much product can be formed
  4. study of ratios in chemical reactants
Down
  1. multiple of empirical formula
  2. species formed from chemical reactions
  3. lowest whole number ratio of elements within a compound
  4. a conversion factor between compounds in a chemical reaction, that is derived from the coefficients of the compounds in a balanced equation
  5. substance that enters into and is altered in the course of a chemical reaction
  6. a small localized object to which can be ascribed several physical or chemical properties

10 Clues: 6.02x10^23 • multiple of empirical formula • mass of one mole of a substance • study of ratios in chemical reactants • species formed from chemical reactions • lowest whole number ratio of elements within a compound • substance that enters into and is altered in the course of a chemical reaction • ...

Enzymes 2025-10-31

Enzymes crossword puzzle
Across
  1. sugar
  2. a measure of how quickly a chemical reaction proceeds, specifically how fast reactants are used up or products are formed
  3. the temperature at which it functions most efficiently
  4. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change
  5. molecules must collide with sufficient kinetic energy for a reaction to occur
  6. carboxylic acids with a long hydrocarbon chain that are a major component of fats and oils
  7. a digestive enzyme that breaks down fats, or lipids, into fatty acids and glycerol, which the body can then absorb
  8. The process where a protein or nuclec acid loses its original three-dimensional structure due to external stress
  9. The amount of a solute within a specific amount of a solvent or solution
  10. an enzyme that rapidly breaks down hydrogen peroxide into water and oxygen
Down
  1. a type of lipid made of a glycerol backbone attached to three fatty acids
  2. living organisms
  3. A scale from 0 to 14 that measures how acidic or basic a solution is
  4. an enzyme, found chiefly in saliva and pancreatic fluid, that converts starch and glycogen into simple sugars.
  5. simple, trio compounds, colorless, odourless, and sweet
  6. an organic molecule that serves as the building block for proteins
  7. a group of enzymes that break down complex carbohydrates into simpler sugars through a process called hydrolysis
  8. biological catalysts, usually proteins, that speed up chemical reactions without being consumed
  9. an enzyme that breaks down proteins by catalyzing the hydrolysis of peptide bonds
  10. the substance on which an enzyme acts
  11. the most common type of fat in your body, which the body uses for energy
  12. a region on an enzyme that binds to a protein or other substance during a reaction.

22 Clues: sugar • living organisms • the substance on which an enzyme acts • the temperature at which it functions most efficiently • simple, trio compounds, colorless, odourless, and sweet • an organic molecule that serves as the building block for proteins • A scale from 0 to 14 that measures how acidic or basic a solution is • ...

physical and chemical change 2022-01-25

physical and chemical change crossword puzzle
Across
  1. a physical quantity whose value does not depend on the amount of the substance for which it is measured.
  2. has a fixed chemical composition throughout
  3. matter not involving in its manifestation a chemical change.
  4. changes affecting the form of a chemical substance, but not its chemical composition.
  5. mixture consisting of different, distinguishable parts or elements.
  6. mass in an isolated system is neither created nor destroyed by chemical reactions or physical transformations.
  7. PV=NRT
  8. a characteristic of a particular substance that can be observed in a chemical reaction.
  9. the basic unit of a chemical element.
  10. a substance made by mixing other substances together.
  11. a substance that has mass and takes up space.
  12. one of the distinct forms in which matter can exist.
Down
  1. a property that depends on the amount of matter in a sample.
  2. firm and stable in shape; not liquid or fluid.
  3. an ionized gas
  4. chemical reaction involving the rearrangement of the atoms of one or more substances
  5. a substance diffused or suspended in the air, especially one normally liquid or solid.
  6. a state that flows freely but is of constant volume
  7. a mixture in which the composition is uniform throughout the mixture.
  8. matter in a state in which it will expand freely to fill the whole of a container
  9. quantity of matter in a physical body.
  10. The physical process where matter moves from one state to another.

22 Clues: PV=NRT • an ionized gas • the basic unit of a chemical element. • quantity of matter in a physical body. • has a fixed chemical composition throughout • a substance that has mass and takes up space. • firm and stable in shape; not liquid or fluid. • a state that flows freely but is of constant volume • one of the distinct forms in which matter can exist. • ...

Unit 5 Review 2015-02-11

Unit 5 Review crossword puzzle
Across
  1. In the figure on page 95, Uranium splits into Barium and __.
  2. According to page 99, fusion is happening in __ __.
  3. Reaction of an acid and a base that produces water and a salt.
  4. Measure of the acidity, or hydrogen ion concentration of a substance.
  5. Concentration of hydrogen ions in a solution.
  6. The picture on page 92 shows __ tablets that neutralize stomach acid.
  7. The endothermic reaction taking place on the top of page 86.
  8. Chemical reaction that releases energy.
  9. The trees on page 89 were killed by __.
  10. The exothermic reaction taking place on the top of page 82.
  11. Fusing of two or more small nuclei to form a single, larger nucleus.
Down
  1. Splitting of the nucleus of an atom into two smaller nuclei.
  2. Ionic compound formed when an acid and base react.
  3. Chemical reaction that needs a constant input of energy to continue.
  4. The figure on the top of page 96 is a nuclear __ __.
  5. According to the top of page 101, scientists want to fuse __ nuclei in fusion reactors.
  6. According to the top of page 97, most electricity in the U.S. comes from burning __ __.

17 Clues: Chemical reaction that releases energy. • The trees on page 89 were killed by __. • Concentration of hydrogen ions in a solution. • Ionic compound formed when an acid and base react. • According to page 99, fusion is happening in __ __. • The figure on the top of page 96 is a nuclear __ __. • The exothermic reaction taking place on the top of page 82. • ...

Chapter 6 ~ Chemistry in Biology (Sections 1-3) 2021-11-20

Chapter 6 ~ Chemistry in Biology (Sections 1-3) crossword puzzle
Across
  1. A pure substance made up of only one type of atom
  2. Enzymes interact with only certain substrates because the _____ site where the substrate binds has a specific shape and size to fit
  3. The study of matter - its composition and properties
  4. A compound in which the atoms are held together by covalent bonds
  5. particle of an atom that is positively charged and is located in the nucleus
  6. A substance that lowers the activation energy needed to start a chemical reaction
  7. The center of the atom
  8. The reactants that bind to the enzyme
  9. A substance that releases hydrogen ions when dissolved in water
  10. Solutions that have pH values higher than 7.0 are _____
  11. Anything that has mass and takes up space
  12. In a ____ mixture, the components remain distinct
  13. Solutions that have pH values lower than 7.0 are _____
  14. The substances formed during a chemical reaction
  15. A mixture that can react with acids or bases to keep the pH within a particular range
  16. Atoms of the same element that have different numbers of neutrons
  17. The process by which atoms are reorganized into different substances by the breaking or forming of bonds is called a chemical ______
  18. Atoms contain an equal number of protons and electrons, so the overall charge of an atom is ____.
  19. Molecules that have an unequal distribution of charges are ____ molecules
  20. Water is called the _____ solvent because many substances dissolve in it
  21. A chemical ______ describes the substances in a chemical reaction and the process of change
  22. Special proteins that speed up the rate of chemical reactions in biological processes
  23. A mixture that has uniform composition throughout
  24. The second electron energy level can have up to ____ electrons
  25. The substance that is dissolved in the solvent
Down
  1. particle of an atom that is negatively charged and is in constant motion around an atom's nucleus
  2. The starting substances in a chemical reaction
  3. In ___ reactions, the energy of the product is lower than the energy of the reactant
  4. Isotopes that give off radiation are called _____ isotopes
  5. The building blocks of matter
  6. Another name for a heterogenous mixture
  7. The chemical bond that forms when electrons are shared
  8. A ____ bond is a weak interaction involving a hydrogen atom and a fluorine, oxygen, or nitrogen atom
  9. The measure of concentration of hydrogen ions in a solution
  10. particle of an atom that has no charge and is located in the nucleus
  11. Another name for a solution
  12. The minimum amount of energy needed for reactants to form products in a chemical reaction is the _____ energy
  13. The attractive forces between positive and negative regions of molecules are called van der Waals ______
  14. A substance in which another substance is dissolved
  15. An atom that has lost or gained one or more electrons (and carries an electric charge)
  16. Bond that forms when two oppositely charged atoms called ions form a bond due to electrical attraction
  17. A substance that releases hydroxide ions when dissolved in water
  18. A heterogeneous mixture in which the particles do not settle out like the sand settled from the water
  19. A pure substance formed when two or more different elements combine
  20. The properties of water make it well suited to help maintain _____ in an organism
  21. In _____ reactions, the energy of the product is higher than the energy of the reactant

46 Clues: The center of the atom • Another name for a solution • The building blocks of matter • The reactants that bind to the enzyme • Another name for a heterogenous mixture • Anything that has mass and takes up space • The starting substances in a chemical reaction • The substance that is dissolved in the solvent • The substances formed during a chemical reaction • ...

Biology Vocab Word Search 2025-10-30

Biology Vocab Word Search crossword puzzle
Across
  1. The substance that is present in the greater amount and that dissolves other substances
  2. Molecules composed of carbon, hydrogen, and oxygen and they include sugars and starches
  3. The amount of energy that needs to be absorbed for a chemical reaction to start
  4. The attraction among molecules of a substance
  5. Nonpolar molecules that include fats, oils, and cholesterol
Down
  1. Molocules that contain carbon hydrogen oxygen nitrogen and sometimes sulfur
  2. Polymers that are made up of a monomers called nucleotides
  3. A substance that decreases the activation energy needed to start a chemical reaction and increases the rate of chemical reaction
  4. A substance that dissolves in a solvent
  5. Chains of carbon atoms bonded to hydrogen atoms
  6. The attraction among molecules of different substances
  7. A mixture of substances that is the same throughout
  8. Catalyst for chemical reactions in living things

13 Clues: A substance that dissolves in a solvent • The attraction among molecules of a substance • Chains of carbon atoms bonded to hydrogen atoms • Catalyst for chemical reactions in living things • A mixture of substances that is the same throughout • The attraction among molecules of different substances • Polymers that are made up of a monomers called nucleotides • ...

Bonding 2015-09-05

Bonding crossword puzzle
Across
  1. a subatomic particle with a positive charge
  2. a substance made from more than one type of atom
  3. diagram used to represent covalent bonding
  4. when an equation has the same number of atoms on either side
  5. The smallest particle in an element or particle
  6. there are eight of these in the periodic table
  7. the charge all atoms want to have
  8. a chemical bond that involves electrostatic attraction of electrons
Down
  1. substances we start with before a chemical reaction takes place
  2. the name given to the arrangements of electrons around the nucleus
  3. a chemical bond that involves the sharing of electron pairs between atoms
  4. the name of the levels the electrons fill up
  5. substances formed after a chemical reaction
  6. a pure substance that contains only one type of atom
  7. a subatomic particle, symbol e−
  8. how atoms are joined together
  9. the name of mrs mirto's new puppy

17 Clues: how atoms are joined together • a subatomic particle, symbol e− • the name of mrs mirto's new puppy • the charge all atoms want to have • diagram used to represent covalent bonding • a subatomic particle with a positive charge • substances formed after a chemical reaction • the name of the levels the electrons fill up • there are eight of these in the periodic table • ...

Chemical Energetics 2018-05-28

Chemical Energetics crossword puzzle
Across
  1. An explosive gas
  2. A _____ reaction may occur both ways in a chemical reaction
  3. An alternative source of energy
  4. An example of an exothermic reaction
  5. A _____ reaction turns products into reactants
  6. A reaction that releases energy
Down
  1. Remains of dead plants & animals
  2. A type of fossil fuel
  3. A _____ reaction turns reactants into products
  4. One condition to change the equilibrium
  5. No overall changes in the reaction
  6. A reaction that absorbs energy

12 Clues: An explosive gas • A type of fossil fuel • A reaction that absorbs energy • An alternative source of energy • A reaction that releases energy • Remains of dead plants & animals • No overall changes in the reaction • An example of an exothermic reaction • One condition to change the equilibrium • A _____ reaction turns reactants into products • ...

Balancing Equations 2017-04-26

Balancing Equations crossword puzzle
Across
  1. a reaction in which heat is released
  2. a substance that forms in a chemical reaction
  3. a reaction in which two or more substances combine to form a new compound
  4. released when a chemical compound reacts to produce new compounds
  5. the process in which an electric current is used to produce a chemical reaction, such as the decomposition of water
Down
  1. a reaction that requires heat
  2. reaction a reaction in which a single compound breaks down to form two or more simpler substances
  3. a substance or molecule that participates in a chemical reaction

8 Clues: a reaction that requires heat • a reaction in which heat is released • a substance that forms in a chemical reaction • a substance or molecule that participates in a chemical reaction • released when a chemical compound reacts to produce new compounds • a reaction in which two or more substances combine to form a new compound • ...

Elijah Hernandez: Chapter 13 2021-02-25

Elijah Hernandez: Chapter 13 crossword puzzle
Across
  1. no atoms are gained or lost during any reaction
  2. a chemical that donates a hydrogen ion
  3. a reaction in which there is a net release of energy
  4. an equation showing a chemical reaction that has the same number of atoms on both sides of the arrow
  5. how quickly the concentration of reactants decreases and how quickly the concentration of products increases.
Down
  1. increasing this increases the rate of reaction
  2. a reaction in which there is a net absorption of energy
  3. the minimum energy required to overcome the initial breaking of bonds
  4. a substance that lowers the activation energy of a chemical reaction
  5. the amount of energy needed to pull two bonded atoms apart

10 Clues: a chemical that donates a hydrogen ion • increasing this increases the rate of reaction • no atoms are gained or lost during any reaction • a reaction in which there is a net release of energy • a reaction in which there is a net absorption of energy • the amount of energy needed to pull two bonded atoms apart • ...

Vocabulary Quiz 2024-10-25

Vocabulary Quiz crossword puzzle
Across
  1. A molecule that stores energy for cellular functions
  2. The end result of a chemical reaction
  3. potential energy This describes energy stored in chemical bonds
  4. The first step in breaking down glucose to make energy
  5. variable A variable that is changed in an experiment
  6. variable The variable that changes because of the independent variable
  7. Substances that enter a chemical reaction
  8. This blood vessel carries blood to the heart
  9. A blue chemical that changes color in the presence of carbon dioxide
  10. review A process where experiments are checked by others in the same field
  11. An organ that produces insulin
Down
  1. A process for breaking down food in the absence of oxygen
  2. A guess made before conducting an experiment
  3. The overall balance and stability in an organism’s internal conditions
  4. The substance that insulin helps regulate
  5. feedback loop A feedback system that helps the body maintain stable conditions
  6. feedback loop A feedback mechanism that counteracts a change in a system
  7. A blood vessel that carries oxygenated blood away from the heart
  8. respiration A biological process that happens without oxygen
  9. respiration The process of breaking down glucose to produce ATP in the presence of oxygen
  10. acid A waste product of anaerobic respiration that causes muscle fatigue

21 Clues: An organ that produces insulin • The end result of a chemical reaction • The substance that insulin helps regulate • Substances that enter a chemical reaction • A guess made before conducting an experiment • This blood vessel carries blood to the heart • A molecule that stores energy for cellular functions • variable A variable that is changed in an experiment • ...

Chemistry Crossword 2013-05-09

Chemistry Crossword crossword puzzle
Across
  1. A chemical species formed when two elements join together?
  2. A gas in an atmosphere that absorbs and emits radiation within the thermal infrared range?
  3. A reaction that takes heat in?
  4. Takes up 78% of the Earth's atmosphere?
  5. Fuel, Heat and Oxygen?
  6. The process of applying a protective zinc coating to steel or iron, in order to prevent rusting?
  7. A reaction that gives off heat?
Down
  1. Formed by the reaction of iron and oxygen in the presence of water or air moisture?
  2. Two or more atoms that have been chemically combined to form a single species?
  3. The sequence of exothermic chemical reactions between a fuel and an oxidant accompanied by the production of heat and conversion of chemical species?
  4. Takes up 21% of the Earth's atmosphere?
  5. Takes up 0.04% of the Earth's atmosphere?
  6. Takes up 0.9% of the Earth's atmosphere?
  7. Smallest stable particle?
  8. An atom or molecule that has gained or lost one or more of its valence electrons?
  9. A substance that contains only one type of atom?
  10. Two or more substances which have been combined such that each substance retains its own chemical identity?

17 Clues: Fuel, Heat and Oxygen? • Smallest stable particle? • A reaction that takes heat in? • A reaction that gives off heat? • Takes up 21% of the Earth's atmosphere? • Takes up 78% of the Earth's atmosphere? • Takes up 0.9% of the Earth's atmosphere? • Takes up 0.04% of the Earth's atmosphere? • A substance that contains only one type of atom? • ...

chemistry unit review crossword 2017-02-10

chemistry unit review crossword crossword puzzle
Across
  1. Motion & Chemical Reactions
  2. a thing that is composed of two or more separate elements.
  3. is the horizontal rows.
  4. atomic particles that move around the nucleus of an atom and carry a negative charge.
  5. made the periodic table
  6. accompanied by or requiring the absorption of heat.
  7. it is the vertical rows
  8. each of the actual or potential of a electron
  9. a substance that takes part in and undergoes change during a reaction.
  10. the mass of an atom of a chemical element
  11. a substance that is not a metal.
  12. an electron protons and neutrons are all basic particles in this.
Down
  1. an atom contains the same number of protons and electrons this is called what?
  2. a reaction that blows up by the release of heat.
  3. this happens after the product reaction takes place.
  4. found in nucleus of an atom.
  5. system is neither created nor destroyed by chemical reactions or physical transformation.
  6. electrons in the outer shell, determines chemical properties.
  7. an element that its properties that are between those of metals and solid nonmetals.
  8. is a combination of two or more elements linked together.
  9. is a substance that is made up of one type of atom
  10. it is shiny and is a solid material that is hard
  11. letter or letters that is standing for a chemical element
  12. atomic particles found in nucleus of an atom
  13. elements like helium, neon, argon, krypton, xenon are all this.
  14. the charged central core of an atom

26 Clues: is the horizontal rows. • made the periodic table • it is the vertical rows • Motion & Chemical Reactions • found in nucleus of an atom. • a substance that is not a metal. • the charged central core of an atom • the mass of an atom of a chemical element • atomic particles found in nucleus of an atom • each of the actual or potential of a electron • ...

Biology Chapter 2 Vocabulary 2024-01-19

Biology Chapter 2 Vocabulary crossword puzzle
Across
  1. positively and negatively charged atoms
  2. the elements or compounds that enter into a chemical reaction
  3. the subatomic particle with a positive charge
  4. the number of protons in the nucleus of an element
  5. proteins that speed up chemical reactions that take place in cells and lower the activation energy
  6. the elements or compounds produced by a chemical reaction
  7. the basic unit of matter
  8. the total number of protons and neutrons in the nucleus of an atom
  9. a pure substance that consists entirely of one type of atom
  10. the center of the atom
  11. the subatomic particle with a negative charge
  12. a bond formed when electrons are shared by atoms
  13. the location in which substrates bind to the enzyme
Down
  1. atoms of the same element that differ in the number of neutrons they contain
  2. the space surrounding the nucleus in which electrons are in constant motion
  3. the study of compounds that contain bonds between carbon atoms
  4. the subatomic particle that has no charge
  5. an amount of energy required to start a chemical reaction
  6. a bond formed when oppositely charged ions have a strong attraction to one another
  7. the amount of energy required to increase its temperature
  8. a substance formed by the chemical combination of two or more elements in definite proportions
  9. a molecule in which the charges are unevenly distributed
  10. an attraction between molecules of different substances
  11. reactants that take place at the enzyme
  12. a process that changes one set of chemicals into another
  13. an attraction between molecules of the same substance

26 Clues: the center of the atom • the basic unit of matter • positively and negatively charged atoms • reactants that take place at the enzyme • the subatomic particle that has no charge • the subatomic particle with a positive charge • the subatomic particle with a negative charge • a bond formed when electrons are shared by atoms • ...

bio 2025-04-15

bio crossword puzzle
Across
  1. a simple sugar, also known as a monosaccharide
  2. the linking of two chemical reactions, where one reaction's energy output (an exergonic or spontaneous reaction) drives the second reaction's energy input (an endergonic or non-spontaneous reaction)
  3. a substance that participates in a chemical reaction and is transformed into one or more new substances called products
  4. an organism capable of synthesizing its own food from inorganic materials and an external energy source, typically sunlight or chemical energy
  5. the substance(s) formed as a result of a chemical reaction or biological process.
  6. the process by which plants and some microorganisms convert light energy into chemical energy in the form of food
  7. a specialized organelle found in plant cells and some algae
  8. small, membrane-bound organelles found in the cytoplasm of most eukaryotic cells
Down
  1. the process where cells convert the chemical energy stored in food molecules (like glucose) into a usable form of energy, ATP (adenosine triphosphate)
  2. an organism that obtains its nutrition and energy by consuming other organisms or organic matter, rather than producing its own food.
  3. any process or organism that occurs or lives in the absence of oxygen
  4. processes or organisms that require oxygen for survival and energy production
  5. the primary energy-carrying molecule in cells

13 Clues: the primary energy-carrying molecule in cells • a simple sugar, also known as a monosaccharide • a specialized organelle found in plant cells and some algae • any process or organism that occurs or lives in the absence of oxygen • processes or organisms that require oxygen for survival and energy production • ...

Chemical Energy 2015-10-18

Chemical Energy crossword puzzle
Across
  1. The ionised part of organic matter, cells and blood
  2. A small particle that orbits around the nucleus of an atom with a negative charge
  3. Separation of a liquid mixture differing at boiling point
  4. The smallest component of an element consisting of a nucleus and electrons
  5. A stable particle with a positive charge
  6. An electrically charged atom
  7. An insoluble solid formed from a liquid solution
  8. A substance that is changed during a given reaction
  9. An organic matter
  10. A reaction involving oxygen and usually hydrocarbon as reactants
  11. A process of changing a chemical compound
  12. Incapable of being dissolved in water
  13. The process of water, carbon dioxide and certain un-organic salts turned into carbohydrates by plants
  14. A liquid mixture
Down
  1. To be able to be dissolved in water
  2. Current between two electrodes in an iodised solution, which creates either positive or negative ions depending depending on the energy of the electrode
  3. The energy of a body or system
  4. The energy that something has according to its position and arrangement of the particles
  5. A collection of protons and neutrons
  6. Energy released as a result of a chemical reaction
  7. A process which results in the change of the structure and energy of atoms, molecules or ions
  8. Chemical reaction that releases energy by light or heat
  9. When cations and anions are combined with a liquid solution, to produce precipitate
  10. A substance that only contains carbon and hydrogen
  11. In order to form a single component two or more elements are combined
  12. Separation of chemical compound into simpler compounds, or elements
  13. The ability of a substance to conduct electrical currents
  14. The result of an action or process
  15. Any combustable organic matter

29 Clues: A liquid mixture • An organic matter • An electrically charged atom • The energy of a body or system • Any combustable organic matter • The result of an action or process • To be able to be dissolved in water • A collection of protons and neutrons • Incapable of being dissolved in water • A stable particle with a positive charge • A process of changing a chemical compound • ...

Chemistry Crossword puzzle 2023-06-07

Chemistry Crossword puzzle crossword puzzle
Across
  1. a positively charged atom or group of atoms, or a radical which moves to the negative pole (cathode) during electrolysis.
  2. A spherical path in which electrons move around the nucleus
  3. a measure of solution concentration expressed in moles of solute per liter of solution.
  4. Element that is a conductor of electricity, malleable, ductile and lustrous.
  5. a method of analyzing the composition of a solution by adding known amounts of a standardized solution until a given reaction (color change, precipitation, or conductivity change) is produced.
  6. A form of a chemical element in which the atoms have the same number of protons but with a different number of neutrons
  7. the substances that dissolves the solute
  8. an uncharged atomic particle that has a mass nearly equal to that of the proton
Down
  1. a charged entity formed when an atom gains or loses one or more electrons
  2. chemical reaction in which an atom or molecule gains an electron; decrease in positive valence; addition of hydrogen to a molecule.
  3. the basic unit of a chemical element ; made up of protons, electrons & neutrons
  4. a substance that makes a chemical reaction occur faster without itself being consumed in the reaction
  5. the substance that dissolves in a solvent
  6. ion having a negative charge; an atom with extra electrons. Atoms of non-metals, in solution
  7. a negatively charged particle in an atom or ion.
  8. to thin out, or having been thinned out; less than full strength.
  9. any substance that cannot be broken down into simpler substances (pure substance)
  10. checking, adjusting, or systematic standardizing of the graduations of a quantitative measuring instrument.
  11. a positively charged particle in the atom's nucleus
  12. the simplest structural unit of a substance that retains the properties of the substance, and is composed of one or more atoms.

20 Clues: the substances that dissolves the solute • the substance that dissolves in a solvent • a negatively charged particle in an atom or ion. • a positively charged particle in the atom's nucleus • A spherical path in which electrons move around the nucleus • to thin out, or having been thinned out; less than full strength. • ...

Chemistry Vocab 2025-05-15

Chemistry Vocab crossword puzzle
Across
  1. changes the form of a chemical substance
  2. two atoms forced together
  3. an attraction between molecules
  4. to do work
  5. process that absorbs heat or thermal energy
  6. space occupied by a sample of matter
  7. average kinetic energy
  8. Takes up space
  9. a combination of two or more substances
  10. speeds up chemical reactions
  11. change Chemical transition
Down
  1. pure substance that cannot be broken down
  2. a substance formed as the result of a chemical reaction
  3. smallest unit of matter
  4. Makes up smallest unit
  5. natural science
  6. releases heat or energy
  7. the amount of matter in an object

18 Clues: to do work • Takes up space • natural science • Makes up smallest unit • average kinetic energy • smallest unit of matter • releases heat or energy • two atoms forced together • change Chemical transition • speeds up chemical reactions • an attraction between molecules • the amount of matter in an object • space occupied by a sample of matter • a combination of two or more substances • ...

Chemical Reactions 2023-12-21

Chemical Reactions crossword puzzle
Across
  1. A group of two or more atoms bonded together chemically
  2. The state of matter where particles are moving freely
  3. The state of matter where particles vibrate in place
  4. A substance that has an ion made from carbon and oxygen
  5. A substance that releases hydrogen ions in solution
  6. The number in front of an atom or molecule in a chemical equation
  7. The smallest unit of matter
Down
  1. The state of matter where particles are sliding over each other
  2. A chemical reaction that attempts to bring the pH of a substance towards 7
  3. When a solid forms out of a solution
  4. The resulting substances from a chemical reaction
  5. A process where the nature of substances change
  6. Another word for a liquid solution
  7. A substance that releases hydroxide ions in solution

14 Clues: The smallest unit of matter • Another word for a liquid solution • When a solid forms out of a solution • A process where the nature of substances change • The resulting substances from a chemical reaction • A substance that releases hydrogen ions in solution • The state of matter where particles vibrate in place • A substance that releases hydroxide ions in solution • ...

Rob's Quarterly Review 2022-03-21

Rob's Quarterly Review crossword puzzle
Across
  1. - group of students according to their academic ability. This is also known as ability grouping where students place together in respect to their achievements or similar instructional level
  2. -consisting of different, distinguishable parts or elements. The word is used in a more specific way in the context of chemistry to describe a mixture consisting of two or more different substances or the same substance in different phases of matter
  3. - able to dissolve other substances
  4. - starting materials in a chemical reaction. Reactants undergo a chemical change in which chemical bonds are broken and new ones formed to make products
  5. - the ability to be dissolved, especially in water.
  6. - substance made by mixing other substances together.
  7. - Most acids contain a hydrogen atom bonded that can release (dissociate) to yield a cation and an anion in water. The higher the concentration of hydrogen ions produced by an acid, the higher its acidity and the lower the pH of the solution.
  8. - reducing the concentration of a given solute in its solution. The chemist can do it simply by mixing with more solvent
  9. - a metal made by combining two or more metallic elements, especially to give greater strength or resistance to corrosion.
Down
  1. substance that is formed as the result of a chemical reaction. In a reaction, starting materials called reactants interact with each other. After passing through a high energy transition state (achieving the activation energy for a reaction),
  2. - A base is a substance that reacts with an acid in an acid-base reaction.
  3. - chemical solutions that have high concentrations of a large amount of solute in the solution. If a solution is concentrated to the point where no more solute will dissolve in the solvent, it is said to be saturated.
  4. Mass - average mass of atoms of an element, calculated using the relative abundance of isotopes in a naturally occurring element. Atomic mass indicates the size of an atom.
  5. - smallest particle in a chemical element or compound that has the chemical properties of that element or compound. Molecules are made up of atoms that are held together by chemical bonds.
  6. - the minor component in a solution, dissolved in the solvent.

15 Clues: - able to dissolve other substances • - the ability to be dissolved, especially in water. • - substance made by mixing other substances together. • - the minor component in a solution, dissolved in the solvent. • - A base is a substance that reacts with an acid in an acid-base reaction. • ...

Chemistry Vocabulary 2023-03-21

Chemistry Vocabulary crossword puzzle
Across
  1. a chemical _____ tell you what elements are in a compound and how many atoms of each element
  2. a chemical reaction involving a carbon-based fuel reacting with water to produce water and carbon dioxide
  3. the state of matter for something dissolved in water
  4. calculation of the amount substances
  5. tells you how many of that molecule you have
Down
  1. a chemical reaction involving putting two or more atoms together
  2. a chemical reaction involving breaking down a molecule into its parts
  3. a chemical _____ uses chemical formulas to describe either a physical or chemical change
  4. an equation becomes ___ when there are equals amounts of each atom on both sides of the equation
  5. tells you how many of that element you have

10 Clues: calculation of the amount substances • tells you how many of that element you have • tells you how many of that molecule you have • the state of matter for something dissolved in water • a chemical reaction involving putting two or more atoms together • a chemical reaction involving breaking down a molecule into its parts • ...

Chemical Reactions 2023-04-06

Chemical Reactions crossword puzzle
Across
  1. Found on the left side of the reaction arrow
  2. A conversion factor that allows you to convert from one substance to a different substance
  3. Name H2SO4
  4. A reaction that absorbs energy
  5. Name Cu3P2
  6. A reaction that releases energy
Down
  1. Name N2O5
  2. Found on the right side of the reaction arrow
  3. An ion that is negatively charged
  4. Name NaCl
  5. Name CO
  6. Substance that speeds up a chemical reaction
  7. The amount (in grams) of one mole of a substance
  8. An ion that is positively charged
  9. Name BeS

15 Clues: Name CO • Name BeS • Name N2O5 • Name NaCl • Name H2SO4 • Name Cu3P2 • A reaction that absorbs energy • A reaction that releases energy • An ion that is negatively charged • An ion that is positively charged • Found on the left side of the reaction arrow • Substance that speeds up a chemical reaction • Found on the right side of the reaction arrow • ...

Chapter 2 2019-01-17

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

57 Clues: amino acid • atomic mass • single sugar • created in 1869 • ribonucleic acid • fibrous proteins • electrical charge • deoxyribonucleic acid • a radioactive isotope. • Adenosine triphosphate • (protein)spheroproteins • Lack of carbon; compound. • Carbon-containing compound. • Positive subatomic particle. • Also known as Electron shells • particle with a neutral charge • ...

chemistry crossword 2016-02-26

chemistry crossword crossword puzzle
Across
  1. mass unit measure of atomic mass
  2. vertical column of elements in the periodic table
  3. reaction a reaction that takes place when two or more substances react to form new substances
  4. element that has both metallic and nonmetallic properties
  5. metals group 1 elements in the periodic table ,not including hydrogen
  6. cloudy mixture in which tiny particles of one substance are held within another
  7. chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
  8. change change in appearance or state of a substance that does not change the composition
  9. shells orbit of electrons around the nucleus of an atom
  10. positively charged particle in the nucleus of an atom
  11. vertical of elements in the periodic table
Down
  1. horizontal row of elements in the periodic table
  2. chemical combination of two or more elements in a specific ratio
  3. metals group 2 elements in the elements periodic table
  4. cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from out from the other substance
  5. slow chemical change that occurs when oxygen in the air reacts with a metal
  6. neutral particle in the nucleus of an atom

17 Clues: mass unit measure of atomic mass • neutral particle in the nucleus of an atom • vertical of elements in the periodic table • horizontal row of elements in the periodic table • vertical column of elements in the periodic table • positively charged particle in the nucleus of an atom • metals group 2 elements in the elements periodic table • ...

Unit 2 Chemistry review 2023-11-06

Unit 2 Chemistry review crossword puzzle
Across
  1. the temperature at which a solid becomes a liquid
  2. type of mixture that is not uniform in composition
  3. the substances that are the result of a chemical reaction
  4. another name for a homogeneous mixture
  5. flammability is an example of a ______ property
  6. one or more substances change into new substances
  7. pure substance that cannot be broken down into simpler substances
  8. phase of matter that has an indefinite shape but a definite volume
  9. two or more substances chemically combined together
Down
  1. salt water is an example of a _____ mixture
  2. two or more substances physically combined together
  3. anything that takes up space and has mass
  4. phase of matter that has an indefinite shape and an indefinite volume
  5. the starting substances in a chemical reaction
  6. phase of matter with a definite shape and volume
  7. a ___ change alters a given material without changing its chemical composition
  8. law that states that mass is neither created nor destroyed

17 Clues: another name for a homogeneous mixture • anything that takes up space and has mass • salt water is an example of a _____ mixture • the starting substances in a chemical reaction • flammability is an example of a ______ property • phase of matter with a definite shape and volume • the temperature at which a solid becomes a liquid • ...

6.2 Chemical Reactions 2024-08-26

6.2 Chemical Reactions crossword puzzle
Across
  1. substance that exists before a chemical reaction starts; located on the left side of the arrow in a chemical equation
  2. energy minimum amount of energy needed for reactants to form products
  3. protein that speeds up a biological reaction by lowering the activation energy needed to start the reaction
  4. substance formed by a chemical reaction; located on the right side of the arrow in a chemical reaction
Down
  1. reactant to which an enzyme binds
  2. reaction energy-requiring process by which atoms or groups of atoms in substances are changed into different substances
  3. substance that speeds up a chemical reaction by reducing the activation energy
  4. site specific place where a substrate binds on an enzyme

8 Clues: reactant to which an enzyme binds • site specific place where a substrate binds on an enzyme • energy minimum amount of energy needed for reactants to form products • substance that speeds up a chemical reaction by reducing the activation energy • substance formed by a chemical reaction; located on the right side of the arrow in a chemical reaction • ...

Chapter 2 Vocab 2025-09-26

Chapter 2 Vocab crossword puzzle
Across
  1. A pure substance made of two or more different elements that are chemically bonded together
  2. the large, complex molecules that are essential for life
  3. a living organism's most basic carbohydrate unit, it is the fundamental building block for all larger, more complex sugars, starches, and fibers
  4. molecules that repel water and don't mix with it
  5. a different version of a chemical element that has the same number of protons but a different number of neutrons
  6. sugar molecules, a major source of energy for the body
  7. any group of two or more atoms chemically bonded together
  8. a pure, basic chemical substance made of only one type of atom
  9. a positively charged particle found in the nucleus of every atom
  10. a very large molecule made of many smaller, linked sugar units
  11. an atom or molecule that has an electric charge
  12. distinct energy levels or orbital regions where electrons are found orbiting the atomic nucleus
  13. organic molecules that are the building blocks of proteins
  14. complex molecules made up of smaller building blocks called amino acids
  15. a chemical that can donate a hydrogen ion (or proton) in a solution
  16. a substance that can accept hydrogen ions
  17. a substance that increases the rate of a chemical reaction without being consumed or permanently changed by the reaction itself
  18. a waxy substance found in the blood that plays an essential role in the body
Down
  1. the minimum amount of energy needed to start a chemical reaction
  2. substance that is "water-loving" and can easily mix with, dissolve in, or be attracted to water
  3. a weak attraction that forms between a hydrogen atom and a highly electronegative atom
  4. a fundamental, negatively charged particle found in all atoms that orbits the atom's nucleus
  5. the surface on which an organism lives or the specific molecule an enzyme acts upon during a chemical reaction
  6. 0-to-14 measure of how acidic or basic a substance is
  7. a process where substances, called reactants, transform into new and different substances
  8. a strong chemical bond formed by the electrostatic attraction between oppositely charged ions
  9. proteins that act as biological catalysts, speeding up the chemical reactions
  10. long chains made of smaller, repeated subunits
  11. a molecule that contains carbon, specifically within a carbon-based structure, often including hydrogen
  12. a diverse group of molecules, like fats and waxes
  13. the tiny, fundamental building block of all matter
  14. a chemical bond where two atoms share electrons to form a stable molecule
  15. essential biological molecules that act as the blueprints for life
  16. a covalent chemical bond that links two amino acids together
  17. a subatomic particle with no electric charge

35 Clues: a substance that can accept hydrogen ions • a subatomic particle with no electric charge • long chains made of smaller, repeated subunits • an atom or molecule that has an electric charge • molecules that repel water and don't mix with it • a diverse group of molecules, like fats and waxes • the tiny, fundamental building block of all matter • ...

Chap 21,22,23 2023-01-06

Chap 21,22,23 crossword puzzle
Across
  1. intubation, A placement of a tube in the trachea that facilitates breathing
  2. Any substance that impairs health or causes death by its chemical action
  3. a cause of anaphylactic reaction related to insect bites
  4. A cause that can trigger an anaphylactic reaction that includes heat, cold, and humidity
  5. A trigger for an anaphylactic reaction that can be found in gloves
  6. poison, a type of poison that is entered through a break in the skin
  7. what is produced by the immune system when an antigen is detected
  8. shock, A life-threatening response to an allergic reaction that can cause cardiovascular collapse and hypertension
  9. pain, Type of pain that’s associated with irritation of the paritoneal lining
  10. A cause of anaphylactic reaction that can be caused by centipedes and snakes
  11. the study of toxins
  12. When certain foods have been ingested close to the time of this, it can accentuate the anaphylactic response
  13. A cause of anaphylactic reaction caused by stings or needles
  14. Primary chemical mediator released from mast cells and basophils
Down
  1. Any natural, synthetic, or semi synthetic agent that mimics the effects of morphine
  2. A cause of anaphylactic reaction that could be caused by aspirin and muscle relaxants
  3. A cause of anaphylactic reaction that is from plants
  4. A cause of anaphylactic reaction due to the patient swallowing a substance
  5. pain, Type of pain that occurs when an abdominal organ is involved
  6. individuals that inhales paints or propellants in order to get high
  7. organ, an organ that contains some type of substance that may be able to leak into the abdominal cavity if injured
  8. a cause of anaphylactic reaction due to the patient absorbing an antigen through their skin
  9. reaction, an allergic reaction that causes a systemic, multisystem, life threatening condition with respiratory failure, circulatory collapse, and shock
  10. The process of developing hyper sensitivity on the first exposure to an antigen
  11. organ, type of organ that is vascular
  12. a cause of anaphylactic reaction caused by the patient breathing in a substance
  13. when an individual is exposed a second time to an antigen or antibody for a second time and an anaphylactic reaction occurs
  14. charcoal, a medication occasionally used to treat ingested poisonings
  15. a type of food poisoning that can be caused from undercooked food
  16. A cause of anaphylactic reaction that can be caused by peanuts, milk, eggs, etc.

30 Clues: the study of toxins • organ, type of organ that is vascular • A cause of anaphylactic reaction that is from plants • a cause of anaphylactic reaction related to insect bites • A cause of anaphylactic reaction caused by stings or needles • Primary chemical mediator released from mast cells and basophils • ...

Review #1 2019-12-02

Review #1 crossword puzzle
Across
  1. Site of water absorption
  2. This type of biomolecule provides short term energy
  3. Digestion begins here
  4. Monomer of a nucleic acid
  5. Area where we absorb our nutrients
  6. Produces bile to be excreted to the small intestine
  7. Monomer of carbohydrates
  8. This biomolecule provides long term or stored energy
Down
  1. This type of biomolecule provides you genetics (DNA)
  2. A catalyst of a chemical reaction, it speeds up the reaction
  3. Term used to describe when an enzyme no longer works
  4. Wave-like contractions of muscles to move food in one direction
  5. Place where enzyme and substrate join together
  6. Another term used to describe protein, lipid, carbohydrate, nucleic acid
  7. Long tube connecting the mouth to the stomach
  8. Energy needed to start a chemical reaction
  9. Storage site of bile
  10. A enzyme is this type of biomolecule
  11. Monomer of a protein

19 Clues: Storage site of bile • Monomer of a protein • Digestion begins here • Site of water absorption • Monomer of carbohydrates • Monomer of a nucleic acid • Area where we absorb our nutrients • A enzyme is this type of biomolecule • Energy needed to start a chemical reaction • Long tube connecting the mouth to the stomach • Place where enzyme and substrate join together • ...

Reactions 2020-11-11

Reactions crossword puzzle
Across
  1. combine atoms and break to reform when a chemical reaction happens.
  2. small particles that make up the universe
  3. something that causes a reaction when mixed with Baking soda
  4. what goes into a chemical reaction
  5. what is made in a chemical reaction
Down
  1. a really cool subject that is important to learn in school :)
  2. ____ reactions are when two substances are mixed together and nothing new is created.
  3. created when two substances are mixed together.
  4. ____ reactions take place when a new substance is formed.

9 Clues: what goes into a chemical reaction • what is made in a chemical reaction • small particles that make up the universe • created when two substances are mixed together. • ____ reactions take place when a new substance is formed. • something that causes a reaction when mixed with Baking soda • a really cool subject that is important to learn in school :) • ...

Chemistry crossword 2017-11-14

Chemistry crossword crossword puzzle
Across
  1. homogeneous mixture; mixture of two or more pure substances that looks like one substance.
  2. the most reactive non-metals
  3. cause(a substance) to be deposited in solid form from a solution.
  4. number of protons in a single nucleus of an element
  5. substance that helps a chemical reaction proceed more quickly
  6. mass of a substance that can dissolve in a given amount of solvent to form a saturated solution at a given temperature
  7. change in the appearance or state of a substance that does not change composition
  8. pure substance that cannot be broken down into other substances
  9. horizontal row of elements in the periodic table
  10. an experiment in which one or more products of a chemical reaction can escape
  11. the mass of one atom of an element
  12. a table in which elements are organized by their physical and chemical properties
  13. property that describes the physical appearance and composition of a substance
  14. neutral particle in the nucleus of an atom
  15. workplace,hazardous,materials,information,system
Down
  1. atom that has become electrically charged
  2. group 18 elements in the periodic table;the most stable and unreactive elements
  3. A.M.U
  4. element that has both metallic and non-metallic properties
  5. the sum of the number of protons and neutrons in an atom
  6. combination of symbols that represent a compound
  7. substance that reacts with another substance or substances in a chemical reaction to create new substances with different properties
  8. chemical combination of two or more elements in a specific ratio
  9. positively charged centre of an atom

24 Clues: A.M.U • the most reactive non-metals • the mass of one atom of an element • positively charged centre of an atom • atom that has become electrically charged • neutral particle in the nucleus of an atom • combination of symbols that represent a compound • horizontal row of elements in the periodic table • workplace,hazardous,materials,information,system • ...

Green Chemistry Principles Crossword 2018-07-18

Green Chemistry Principles Crossword crossword puzzle
Across
  1. Prevention and minimization of these types of products is important.
  2. The amount of this used in a reaction can be lowered by choosing more efficient chemical routes.
  3. Products should be designed with this in mind, once released into the environment they will be able to break down harmlessly.
  4. The use of these in a reaction can lower the energy required and decrease reaction time.
  5. The amount of waste produced can be decreased by minimizing the number of these in a reaction.
  6. Doing this in real time, as a chemical reaction progresses, will prevent the formation of hazardous or polluting substances and waste.
  7. Predict the properties of these to reduce their toxicity by designing chemical processes accordingly.
Down
  1. Reduce the overall amount of these used especially those that are organic.
  2. Renewable forms of this are more sustainable as they deplete less natural resources.
  3. Ensuring this is high results in more reactant atoms forming products and less waste.
  4. When designing chemical processes it is important to consider this a priority, it can be done by assessing and minimizing risks, consequentially lowering the chance of accidents occurring.
  5. Using less dangerous chemicals in this type of reaction ensures it is less hazardous.

12 Clues: Prevention and minimization of these types of products is important. • Reduce the overall amount of these used especially those that are organic. • Renewable forms of this are more sustainable as they deplete less natural resources. • Ensuring this is high results in more reactant atoms forming products and less waste. • ...

Faraz Bhatti 2022-03-08

Faraz Bhatti crossword puzzle
Across
  1. a conversion factor between compounds in a chemical reaction
  2. a chemical reaction will proceed until all of one reactant is used up
  3. the quantity of a product obtained from the complete conversion of the limiting reactant in a chemical reactions
  4. A formula giving the number of atoms of each of the elements present a specific molecule
  5. a section of chemistry that involves using relationships between reactants and/or products in a chemical reaction to determine desired quantitative data
  6. the quantity of a product that is obtained from a chemical reaction
Down
  1. the precent ratio of actual yield to the theoretical yield
  2. the quantity of a product obtained from the complete conversion of the limiting reactant in a chemical reaction
  3. the study of ratios within chemical reactions
  4. mass of 1 mole of a substance

10 Clues: mass of 1 mole of a substance • the study of ratios within chemical reactions • the precent ratio of actual yield to the theoretical yield • a conversion factor between compounds in a chemical reaction • the quantity of a product that is obtained from a chemical reaction • a chemical reaction will proceed until all of one reactant is used up • ...

Balancing Equations 2023-04-06

Balancing Equations crossword puzzle
Across
  1. in a chemical reaction mass is neither created nor destroyed
  2. substances that are produced in the reaction
  3. anything that has mass and takes up space
  4. whole numbers that make chemical equations balanced
  5. unequal numbers of each type of atom on the reactant side compared with the product side
Down
  1. substance that is present at the end of a chemical reaction
  2. used to show the number of each type of atoms in a chemical substance
  3. being equal in both sides
  4. a process in which one or more substances are converted to one or more different substances
  5. involves the breaking of existing bonds and the formation of new ones

10 Clues: being equal in both sides • anything that has mass and takes up space • substances that are produced in the reaction • whole numbers that make chemical equations balanced • substance that is present at the end of a chemical reaction • in a chemical reaction mass is neither created nor destroyed • used to show the number of each type of atoms in a chemical substance • ...

Green Chemistry Principles Crossword 2018-07-18

Green Chemistry Principles Crossword crossword puzzle
Across
  1. The amount of waste produced can be decreased by minimizing the number of these in a reaction.
  2. Prevention and minimization of these types of products is important.
  3. The amount of this used in a reaction can be lowered by choosing more efficient chemical routes.
  4. Using less dangerous chemicals in this type of reaction ensures it is less hazardous.
  5. Ensuring this is high results in more reactant atoms forming products and less waste.
  6. Doing this in real time, as a chemical reaction progresses, will prevent the formation of hazardous or polluting substances and waste.
Down
  1. The use of these in a reaction can lower the energy required and decrease reaction time.
  2. Reduce the overall amount of these used especially those that are organic.
  3. When designing chemical processes it is important to consider this a priority, it can be done by assessing and minimizing risks, consequentially lowering the chance of accidents occurring.
  4. Renewable forms of this are more sustainable as they deplete less natural resources.
  5. Products should be designed with this in mind, once released into the environment they will be able to break down harmlessly.
  6. Predict the properties of these to reduce their toxicity by designing chemical processes accordingly.

12 Clues: Prevention and minimization of these types of products is important. • Reduce the overall amount of these used especially those that are organic. • Renewable forms of this are more sustainable as they deplete less natural resources. • Using less dangerous chemicals in this type of reaction ensures it is less hazardous. • ...

Rates of reaction 2021-09-21

Rates of reaction crossword puzzle
Across
  1. What is volume measure in?
  2. complete the equation Reactant --> ____________
  3. What is needed for a chemical reaction to take place?
  4. A measurement of time
  5. a biological catalyst
  6. A type of chemical reaction where energy is released to the surroundings
Down
  1. What peice of equipment is used to measure volume?
  2. the minimum amount of energy to start a chemical reaction
  3. a factor that can affect the rate of reaction

9 Clues: A measurement of time • a biological catalyst • What is volume measure in? • a factor that can affect the rate of reaction • complete the equation Reactant --> ____________ • What peice of equipment is used to measure volume? • What is needed for a chemical reaction to take place? • the minimum amount of energy to start a chemical reaction • ...

Chemistry Lab 2022-07-18

Chemistry Lab crossword puzzle
Across
  1. a reaction which uses a lot of energy and can feel cold
  2. elements or compounds that react to complete a chemical reaction
  3. NaCl --> Na + Cl
  4. H2 + Br2 --> 2HBr
  5. Na3PO4 + 3KOH --> 3NaOH + K3PO4
  6. a reaction which releases energy as heat
Down
  1. The final result of a completed chemical reaction
  2. Compound of Carbon and hydrogen
  3. CH4 + 2O2 --> CO2 + 2H2O
  4. ZnCl2 + Cu --> CuCl2 + Zn

10 Clues: NaCl --> Na + Cl • H2 + Br2 --> 2HBr • CH4 + 2O2 --> CO2 + 2H2O • ZnCl2 + Cu --> CuCl2 + Zn • Compound of Carbon and hydrogen • Na3PO4 + 3KOH --> 3NaOH + K3PO4 • a reaction which releases energy as heat • The final result of a completed chemical reaction • a reaction which uses a lot of energy and can feel cold • ...

Enzymes 2025-01-02

Enzymes crossword puzzle
Across
  1. substance where the enzyme acts
  2. either an anabolic or catabolic reaction
  3. builds the reaction
  4. breaks down the reaction
  5. organic cofactors (vitamins)
  6. speeds up a chemical reaction
Down
  1. part of the enzyme that binds to a protein
  2. amount of energy needed to have a chemical change
  3. temperature, pH, amount of substrate, inhibitors
  4. enzyme loses its shape and won't be able to catalyze

10 Clues: builds the reaction • breaks down the reaction • organic cofactors (vitamins) • speeds up a chemical reaction • substance where the enzyme acts • either an anabolic or catabolic reaction • part of the enzyme that binds to a protein • temperature, pH, amount of substrate, inhibitors • amount of energy needed to have a chemical change • ...

Chemical Changes and Reaction - Grade IX (ICSE) 2024-08-09

Chemical Changes and Reaction - Grade IX (ICSE) crossword puzzle
Across
  1. What is the term for gas bubbles released during a reaction in a liquid?
  2. What is the term for reactions that release heat?
  3. What is the substance that speeds up a chemical reaction without being consumed?
  4. What is the term for substances that undergo change during a chemical reaction?
Down
  1. What type of reaction proceeds with the absorption of light energy?
  2. What type of reaction occurs with the absorption of electrical energy?
  3. What is the term for reactions that absorb heat?
  4. What do you call a reaction where a compound breaks down into simpler substances?
  5. Bond What is the force that holds atoms together in a molecule called?
  6. What forms when an insoluble solid emerges from a solution?

10 Clues: What is the term for reactions that absorb heat? • What is the term for reactions that release heat? • What forms when an insoluble solid emerges from a solution? • What type of reaction proceeds with the absorption of light energy? • What type of reaction occurs with the absorption of electrical energy? • ...

Enzymes and Cell Respiration 2023-11-02

Enzymes and Cell Respiration crossword puzzle
Across
  1. A sugar that is an important energy source for any living organism; a component of many carbohydrates
  2. The region that the enzyme binds with the substrate
  3. A substance that can change the rate of a reaction without being altered in the process
  4. What is lowered to speed up the chemical reaction
  5. A biological catalyst; a protein
  6. The biological molecules that speed up the chemical reaction
Down
  1. The process of speeding up the chemical reaction
  2. A series of chemical reactions that breaks down glucose to produce ATP energy
  3. A colorless; odorless gas that is created when fuel containing carbon is burned; It is breathed out of an animal’s lungs during respiration
  4. A colorless, odorless gas that makes up 21% of Earth’s atmosphere
  5. The reactant that the enzyme acts on

11 Clues: A biological catalyst; a protein • The reactant that the enzyme acts on • The process of speeding up the chemical reaction • What is lowered to speed up the chemical reaction • The region that the enzyme binds with the substrate • The biological molecules that speed up the chemical reaction • A colorless, odorless gas that makes up 21% of Earth’s atmosphere • ...

Chemical Equations 2025-10-28

Chemical Equations crossword puzzle
Across
  1. aka a compound, a collection of atoms
  2. the ingredients in a chemical reaction
  3. the products and reacts exist in exact ______ in a balanced reaction
  4. this type of chemical equation is not balanced
  5. the results of a chem reaction
  6. one of the approx 112 things that make up everything
  7. smallest version of an element
Down
  1. a type of reactant that established how much product we will be able to make
  2. in a balanced chemical reaction this is the large number in front of a molecule showing how many of that molecule there are
  3. this type of chemical equation shows coefficients establishing the exact ratios of each product and reactant
  4. the litte number next to an element that shows how many of that element there are like the 2 in H2O

11 Clues: the results of a chem reaction • smallest version of an element • aka a compound, a collection of atoms • the ingredients in a chemical reaction • this type of chemical equation is not balanced • one of the approx 112 things that make up everything • the products and reacts exist in exact ______ in a balanced reaction • ...