chemical reaction Crossword Puzzles

Xword clues chapter 19-20 2016-03-21

Xword clues chapter 19-20 crossword puzzle
Across
  1. bond formed when atoms share electrons
  2. substances that form as a result of a reaction
  3. substances that exist before the reaction begins
  4. a reaction that releases heat energy
  5. symbol with dots to show electron in outer energy level
  6. large protein molecules that change the rate of a reaction in your body so that cells can work properly
  7. a charged atom
  8. the group of elements that have stable outer energy levels
  9. bond in which electrons are shared unevenly
  10. pure substance containing two or more elements that are bonded
  11. energy needed to start a reaction
  12. chemical symbols and numbers that shows type and how many of each element are present
Down
  1. bonds when metal atoms share pooled electrons
  2. how fast a reaction occurs
  3. a process that produces a new substance
  4. a reaction that absorbs heat energy
  5. a polar covalent molecule with two hydrogen atoms, one oxygen atom
  6. force that holds two atoms together
  7. tells chemists the reactants, products, physical state, and proportions of each substance present
  8. shows the number of atoms of an element present in a compound
  9. the law that states: in a closed system, mass of reactants must equal the mass of product
  10. amount of substance present in a certain volume
  11. bond formed by two charged atoms (usually a metal and a nonmetal)
  12. type of change that produces a new substance
  13. neutral particle formed when atoms share electrons

25 Clues: a charged atom • how fast a reaction occurs • energy needed to start a reaction • a reaction that absorbs heat energy • force that holds two atoms together • a reaction that releases heat energy • bond formed when atoms share electrons • a process that produces a new substance • bond in which electrons are shared unevenly • type of change that produces a new substance • ...

Jolie Huffman / Chapter 13 2019-03-03

Jolie Huffman / Chapter 13 crossword puzzle
Across
  1. Description of a solution in which the hydroxide ion concentration is higher than the hydronium ion concentration also sometimes called alkaline.
  2. Description of a chemical reaction in which there is a net absorption of energy.
  3. Description of a solution in which the hydronium ion concentration is higher than the hydroxide ion concentration.
  4. Description of a chemical reaction in which there is a net release of energy.
  5. A substance that accepts hydrogen ions.
Down
  1. A representation of a chemical reaction in which reactants are written to the left of an arrow that points toward the products on the right. (2 words)
  2. A rapid exothermic oxidation-reduction reaction between material and molecular oxygen.
  3. The reacting substances in a chemical reaction.
  4. The new materials formed in a chemical reaction.
  5. Description of a solution in which the hydronium ion concentration is equal to the hydroxide ion concentration.

10 Clues: A substance that accepts hydrogen ions. • The reacting substances in a chemical reaction. • The new materials formed in a chemical reaction. • Description of a chemical reaction in which there is a net release of energy. • Description of a chemical reaction in which there is a net absorption of energy. • ...

Hannahs crossword 2024-05-15

Hannahs crossword crossword puzzle
Across
  1. water, sun, air, gas, solids, people
  2. change boiling an egg and baking a cake
  3. the amount of space occupied by a sample of matter
  4. source of nuclear energy
  5. amount of matter in an object
  6. the release of heat
  7. the measure of hotness of coldness
  8. Carbon, hydrogen, helium, oxygen
Down
  1. A substance that takes part and undergoes change in a reaction
  2. a substance made by mixing other substances
  3. an action performed or feeling experienced
  4. digestion, combustion, and cutting an onion
  5. the warmth of the sun and baking in the oven
  6. a substance that increases the rate of a chemical reaction without causing permanent damage
  7. water molecules
  8. property
  9. the strength and ability needed to undergo physical and mental activity
  10. electronics, food, airlines,clothing, and beverages

18 Clues: property • water molecules • the release of heat • source of nuclear energy • amount of matter in an object • Carbon, hydrogen, helium, oxygen • the measure of hotness of coldness • water, sun, air, gas, solids, people • an action performed or feeling experienced • change boiling an egg and baking a cake • a substance made by mixing other substances • ...

Biology Vocabulary Crossword 2024-09-29

Biology Vocabulary Crossword crossword puzzle
Across
  1. A carbohydrate made of many monosaccharides linked together.
  2. The gel-like substance inside a cell where organelles are located.
  3. A protein that speeds up chemical reactions in the body.
  4. A type of fat that contains no double bonds between carbon atoms, typically solid at room temperature.
  5. The building blocks of proteins, used by the body for growth and repair.
  6. An organelle that processes and packages proteins for export from the cell.
  7. A simple carbohydrate that provides energy to cells.
  8. An organelle in plant cells that converts sunlight into energy through photosynthesis.
  9. The membrane-bound organelle that contains the cell's genetic material.
  10. A three-carbon molecule that combines with fatty acids to form lipids.
  11. A carbohydrate made of two monosaccharides linked together.
  12. A chemical reaction that absorbs energy, often resulting in a temperature drop.
  13. The cellular structure that synthesizes proteins by translating mRNA.
  14. The basic unit of nucleic acids, consisting of a sugar, a phosphate group, and a base.
Down
  1. A type of organic molecule made of sugar molecules, providing energy to cells.
  2. A large molecule made of amino acids that performs various functions in the body.
  3. The protective barrier that surrounds a cell, controlling what enters and exits.
  4. Whip-like structures that help some cells move.
  5. The simplest form of sugar, serving as a building block for carbohydrates.
  6. A chemical reaction that releases energy, often producing heat.
  7. The substance on which an enzyme acts during a chemical reaction.
  8. A storage sac within a cell that holds various substances, such as nutrients or waste
  9. A type of fat that contains one or more double bonds between carbon atoms, usually liquid at room temperature.
  10. The substances formed as a result of a chemical reaction.
  11. A rigid outer layer that provides support and protection to plant cells.
  12. A network of membranes involved in protein and lipid synthesis.
  13. A type of organic molecule that includes fats and oils, important for energy storage.
  14. A molecule, such as DNA or RNA, that carries genetic information.
  15. The minimum energy needed for a chemical reaction to occur.
  16. A building block of lipids, consisting of long chains of carbon and hydrogen.

30 Clues: Whip-like structures that help some cells move. • A simple carbohydrate that provides energy to cells. • A protein that speeds up chemical reactions in the body. • The substances formed as a result of a chemical reaction. • The minimum energy needed for a chemical reaction to occur. • A carbohydrate made of two monosaccharides linked together. • ...

Thermochemistry Vocabulary 2022-12-09

Thermochemistry Vocabulary crossword puzzle
Across
  1. power derived from the utilization of physical or chemical resources,especially to provide light and heat or to work machines
  2. the transfer of kinetic energy from one medium or object to another, or from an energy source to a medium or object
  3. the energy stored in the chemical bonds of a substance
  4. the heat absorbed by one mole of that substance as it is converted from a solid to a liquid
  5. an apparatus for measuring the amount of heat involved in a chemical reaction of the process
  6. the degree or intensity of heat present in a substance or object especially according to a comparative scale and shown by a thermometer or perceived by touch
  7. the branch of chemistry concerned with the quantities of heat evolved or absorbed during chemical reactions
  8. a thermodynamic quantity equivalent to the total heat content of a system. It is equal to the internal energy of the system plus the product of pressure and volume
  9. the process of measuring the amount of heat released or absorbed during a chemical reaction
  10. the energy possessed by a body by virtue of its position relative to others, stresses within itself, electric charge, and other factors
Down
  1. energy which a body possesses by virtue of being in motion
  2. (of a reaction or process) accompanied by or requiring the absorption of heat
  3. the SI unit of work or energy, equal to the work done by a force of one newton when its point of application moves one meter in the direction of action of the force, equivalent to one 3600th pf a watt-hour
  4. the heat absorbed by one mole of that substance
  5. the heat required to raise the temperature of the unit mass of a given substance by a given amount (usually one degree)
  6. (of a reaction or process) accompanied by the release of heat
  7. energy can neither be created nor destroyed, only converted from one form of energy to another
  8. a unit of energy equivalent to the heat energy needed to raise the temperature of 1 gram of water by 1 degree celsius
  9. the heat absorbed by one mole of that substance
  10. the change in the enthalpy of a chemical reaction that occurs at a constant pressure
  11. the heat energy given out when on m of a substance burns completely in oxygen

21 Clues: the heat absorbed by one mole of that substance • the heat absorbed by one mole of that substance • the energy stored in the chemical bonds of a substance • energy which a body possesses by virtue of being in motion • (of a reaction or process) accompanied by the release of heat • (of a reaction or process) accompanied by or requiring the absorption of heat • ...

Chemistry in Biology 2014-12-18

Chemistry in Biology crossword puzzle
Across
  1. substance composed of two or more elements
  2. water molecules are attracted to other substances
  3. a solution that resists changes in pH when acid is added to it
  4. water molecules are attracted to other water molecules
  5. substance made by an enzyme from its substrate
  6. substance made of one type of atom
  7. bond chemical bond between oppositely charged ions
  8. bond bond between a hydrogen atom and a negatively charged atom
  9. molecule has both a positively and negatively charged end
  10. having a pH of less than 7
Down
  1. basic unit of an element
  2. energy amount of energy required for a chemical reaction
  3. electron electron that can form a chemical bond
  4. particle with a neutral charge in an atom
  5. group of atoms bonded together
  6. protein molecule that is a biological catalyst
  7. starting substance in a chemical reaction
  8. positively charged particle in an atom

18 Clues: basic unit of an element • having a pH of less than 7 • group of atoms bonded together • substance made of one type of atom • positively charged particle in an atom • particle with a neutral charge in an atom • starting substance in a chemical reaction • substance composed of two or more elements • substance made by an enzyme from its substrate • ...

Think? Yeah, Think! 2019-11-28

Think? Yeah, Think! crossword puzzle
Across
  1. der waals A weak distance-dependent interaction between
  2. A curve on a diagram joining points representing states or conditions with a constant value of temperature
  3. An electrically neutral group of two or more atoms held together by chemical bonds
  4. The calculation of reactants and products in a chemical reaction
  5. A law stating that equal volumes of gases at the same temperature and pressure contain equal numbers of molecules
  6. A unit of amount in chemistry for substances such as atoms, molecules, etc
  7. A rapid chemical combination of a substance with oxygen, involving the production of heat and light
  8. The reactant in a chemical reaction that limits the amount of product that can be formed
Down
  1. The smallest unit of ordinary matter
  2. A force exerted by the substance per unit area on another substance
  3. The intermingling of substances by the natural movement from high to low surface
  4. The breakdown of a single entity into two or more fragments
  5. The mass of a sample of that compound divided by the amount of substance in that sample, measured in moles
  6. The substances initially present in a chemical reaction
  7. Simplified formula of compounds
  8. A precious shiny grayish-white metal with a chemical element of atomic number 47.

16 Clues: Simplified formula of compounds • The smallest unit of ordinary matter • der waals A weak distance-dependent interaction between • The substances initially present in a chemical reaction • The breakdown of a single entity into two or more fragments • The calculation of reactants and products in a chemical reaction • ...

chapter 2 - the chemistry of life 2025-09-18

chapter 2 - the chemistry of life crossword puzzle
Across
  1. Acid a biological macromolecule storing genetic information, DNA or RNA
  2. the smallest unit of an element that retains its properties
  3. a substance that increases reaction rate without being consumed
  4. the simplest form of sugar, such as glucose or fructose
  5. a complex carbohydrate composed of many monosaccharide units
  6. a substance formed when two or more elements are chemically bonded
  7. the basic building blocks of nucleic acids, composed of a sugar, phosphate, and nitrogenous base
  8. a protein that speeds up chemical reactions in biological systems
  9. a fatty, oily, or waxy organic compound used for energy storage and structural components
  10. Bond the chemical bond linking amino acids in a protein chain
  11. a neutral subatomic particle in the nucleus of an atom
  12. a substance that accepts hydrogen ions, pH greater than 7
  13. a pure substance made of only one kind of atom
  14. variants of an element with differing numbers of neutrons
  15. a positively charged subatomic particle in the nucleus
  16. tending to repel water; nonpolar molecules
  17. an atom or molecule with a net electric charge due to loss or gain of electrons
  18. a substance that releases hydrogen ions in solution, pH less than 7
  19. Reaction process where substances are transformed into different substances
Down
  1. large complex molecules such as proteins, nucleic acids, carbohydrates, and lipids
  2. tending to mix with or be attracted to water; polar molecules
  3. a group of atoms bonded together representing the smallest fundamental unit of a chemical compound
  4. the substance upon which an enzyme acts during a chemical reaction
  5. an organic compound consisting of carbon, hydrogen, and oxygen, providing energy
  6. Bond a weak attraction between a hydrogen atom and an electronegative atom in another molecule
  7. a negatively charged subatomic particle orbiting the nucleus
  8. Bond a chemical bond where atoms share pairs of electrons
  9. Bond a chemical bond formed through the electrostatic attraction between oppositely charged ions
  10. Energy the minimum energy required to start a chemical reaction
  11. Scale a scale measuring the acidity or alkalinity of a solution
  12. Shell the region around an atom's nucleus where electrons are likely to be found
  13. Acid the building blocks of proteins, containing an amino group and a carboxyl group
  14. a molecule composed of amino acids that performs many functions within organisms
  15. relating to compounds containing carbon, typically associated with living organisms
  16. a type of lipid involved in cell membrane structure and precursor to hormones

35 Clues: tending to repel water; nonpolar molecules • a pure substance made of only one kind of atom • a neutral subatomic particle in the nucleus of an atom • a positively charged subatomic particle in the nucleus • the simplest form of sugar, such as glucose or fructose • Bond a chemical bond where atoms share pairs of electrons • ...

Will Biomolecules and Enzymes 2020-10-22

Will Biomolecules and Enzymes crossword puzzle
Across
  1. part of the enzyme where the substrate binds
  2. Chemical process that occurs inside a living thing to maintain life
  3. energy input to start a reaction
  4. Enzymes that break down starch into sugar
  5. fat molecules with atleast one double bond
  6. Enzymes cause _____ energy to be used in a reaction
  7. Biomolecules made up of many monomers joined together
Down
  1. reactant of an enzyme catalyzed reaction
  2. polymers made up of many monosaccharides
  3. fat molecules with no double bonds
  4. Enzymes that break down proteins into amino acids
  5. Enzymes that break down lipids into fatty acids
  6. a single atom or molecule that is able to join with other monomers to make polymers
  7. substance that speeds up a chemical reaction
  8. The binding of substrates to the specific shape of enzymes
  9. Simple organic compound and the building blocks for protein
  10. Process modifying the molecular structure of a protein

17 Clues: energy input to start a reaction • fat molecules with no double bonds • reactant of an enzyme catalyzed reaction • polymers made up of many monosaccharides • Enzymes that break down starch into sugar • fat molecules with atleast one double bond • part of the enzyme where the substrate binds • substance that speeds up a chemical reaction • ...

Photosynthesis and Cellular Respiration (W) 2019-01-10

Photosynthesis and Cellular Respiration (W) crossword puzzle
Across
  1. ___ is the green pigment in plants and is contained in chloroplasts.
  2. The process of photosynthesis is a ___.
  3. Photosynthesis takes place in the___.
  4. These are the chemicals that are produced by the reaction.
  5. Photosynthesis changes ___ energy to chemical energy.
  6. Photosynthesis occurs in plants and some ___.
  7. These are the big numbers in a chemical equation.
  8. These are the little numbers in a chemical equation.
Down
  1. For humans, plants are the first step in the ___.
  2. These are the chemicals that go into a chemical reaction.
  3. ___ and water react in the presence of light energy to produce glucose and oxygen.
  4. H2O
  5. Photosynthesis results in energy stored as ___.
  6. C6H12O6
  7. O2
  8. This is the specific process within photosynthesis that produces glucose.
  9. Humans get their food ultimately from ___.
  10. ___ carbon dioxide molecules plus ___ water molecules in the presence of sunlight produces one glucose molecule and ___ oxygen molecules.

18 Clues: O2 • H2O • C6H12O6 • Photosynthesis takes place in the___. • The process of photosynthesis is a ___. • Humans get their food ultimately from ___. • Photosynthesis occurs in plants and some ___. • Photosynthesis results in energy stored as ___. • For humans, plants are the first step in the ___. • These are the big numbers in a chemical equation. • ...

Crossword Puzzle Ch.2 2023-09-20

Crossword Puzzle Ch.2 crossword puzzle
Across
  1. A substance that is present before a chemical reaction and takes part in it, usually shown on the left-hand side of a chemical equation.
  2. Basic building blocks of matter.
  3. An interaction between two atoms as a result of sharing or transferring valence electrons.
  4. A change in a substance that results in one or more new substances being formed that have different physical and chemical properties than those of the original substance.
  5. The process by which particles in solutions are evenly distributed throughout the solvent by Brownian motion.
  6. The process by which one substance,the solute,is broken up into smaller pieces by and distributed within a second substance, the solvent.
  7. A substance that can produce hydrogen ions or accept hydrogen ions in solution.
  8. A class of non organic compounds that are insoluble in water and used for energy storage and cell membranes in living storage.
  9. The substances formed during a chemical reaction, usually indicated on the right-hand side of a chemical equation.
  10. The tendency of energy to disperse and become less available to do work.
  11. Changes that don't change a matter's identity.
  12. A measure of the average speed of the particles within a substance.
  13. Organic compounds made of carbons, hydrogens, and oxygens.
  14. A natural occurring catalyst, usually protein.
  15. The smallest particle of a covalent bonded compound.
  16. A class of organic compounds that serve as the building blocks of proteins.
Down
  1. A compound made of two or more elements chemically combined.
  2. The attraction of particles in one substance for particles in a different substance.
  3. A substance that binds to an enzyme and reduces its activity, thus slowing a chemical reaction that the enzyme catalyses.
  4. The attraction between like particles within polar substances.
  5. A substance that can produce hydrogen ions in solution.
  6. A substance that changes the rate of a chemical reaction but is not itself used up or affected by the reaction.
  7. Pure substances made of only one kind of atom.
  8. Simple carbohydrates.
  9. Immaterial stuff that gets things done.
  10. Quality of molecules having an uneven distribution of electrical charge,resulting in some regions of a molecule having negative charge while others are positive.
  11. Molecules that contain carbon convalently bonded to other elements.
  12. The physical stuff that makes up the universe.
  13. A class of organic compounds that serve as the building blocks for the information storage molecules DNA and RNA.

29 Clues: Simple carbohydrates. • Basic building blocks of matter. • Immaterial stuff that gets things done. • Pure substances made of only one kind of atom. • Changes that don't change a matter's identity. • The physical stuff that makes up the universe. • A natural occurring catalyst, usually protein. • The smallest particle of a covalent bonded compound. • ...

Semester 1 Crossword Extra Credit 2023-12-12

Semester 1 Crossword Extra Credit crossword puzzle
Across
  1. Two elements are substituted
  2. A pulse B Forms AB
  3. A group of atoms that bear one or more positive or negative electrical charge.
  4. Bond If the energy that went into breaking bonds is greater than the energy Exothermic reaction that release heat
  5. A representation of a chemical reaction using symbols.
  6. (of a reaction or process) accompanied by or requiring the absorption of heat.
  7. Sub particle.Adam that has no charge and Found in the nucleus.
  8. the degree of compactness of a substance.
  9. The atoms and molecules produced by the action
  10. element located on the right side of the perotic table
Down
  1. Breaking And changing size of a object.
  2. Rearrangement of atoms of one or more substance.
  3. One element is substituted for another.
  4. Orbitals With a negative charge.
  5. Rapid chemical combination Of Oxygen Heat and light.
  6. Found.On the left side of the periodic table.
  7. A substance that undergoes change in a reaction.

17 Clues: A pulse B Forms AB • Two elements are substituted • Orbitals With a negative charge. • Breaking And changing size of a object. • One element is substituted for another. • the degree of compactness of a substance. • Found.On the left side of the periodic table. • The atoms and molecules produced by the action • Rearrangement of atoms of one or more substance. • ...

CHEMICAL REACTION AND EQUATION 2024-06-30

CHEMICAL REACTION AND EQUATION crossword puzzle
Across
  1. - The no. of atoms in an element
  2. EQUATION- It is a way to represent a chemical reaction
  3. DISPLACEMENT REACTION - When 2 substance displace each other
  4. REACTION- When one substance gets displaced in a reaction
  5. REACTION - When both oxidation and reduction happens in a reaction
  6. REACTION - When a substance decomposes in a reaction
  7. REACTION - When two substance react to combine forming a new substance
Down
  1. - When atom/atoms of hydrogen gets added to a substance in a reaction
  2. - When atom/atoms of oxygen gets added to a substance In a reaction
  3. - Spoiling of food due to exposition to oxygen

10 Clues: - The no. of atoms in an element • - Spoiling of food due to exposition to oxygen • REACTION - When a substance decomposes in a reaction • EQUATION- It is a way to represent a chemical reaction • REACTION- When one substance gets displaced in a reaction • DISPLACEMENT REACTION - When 2 substance displace each other • ...

Chemistry 2022-03-18

Chemistry crossword puzzle
Across
  1. Has a definite volume and shape
  2. Substance that is dissolved into a solvent
  3. A chemical reaction in which the oxidizing agent is losing oxygen and the reducing agent is gaining oxygen simultaneously
  4. mutually soluble, meaning they can be mixed together to form a stable solution
  5. A substance that is made of only one type of atom or molecule
  6. A stable physical mixture of 2 or more substances
  7. Radicals Causes inflammation
  8. that dissolves another substance to form a solution
  9. the rapid oxidation of a substance, accompanied by the production of heat and light
  10. Is the study of substances containing Carbon
  11. A change in chemical and physical properties
  12. raises pH to allow product penetration
  13. special type of oil used in water-resistant lubricants for the skin and nail polish dryers
  14. Are determined by the reaction it has with others
  15. Science that deals with matter and its changes
  16. Is the study of substances not containing Carbon
  17. Chemical reaction that release a significant amount of heat
  18. Any substance that occupies space and has a mass ReducingAgent A substance that adds hydrogen to a chemical compound or subtracts oxygen from the
  19. The basic unit of matter and the smallest chemical component of an element
Down
  1. liquids that are not capable of being mixed together
  2. Has a definite volume and no definite shape
  3. A chemical combination of 2 or more atoms in a definite or fixed proportion
  4. A change in physical properties
  5. unstable physical mixture of 2 or more immiscible substances that will not stay together until united by an emulsifier
  6. Orbit the atom and has a negative charge
  7. a physical combination of matter in any proportion
  8. unstable physical mixture of undissolved particles in a liquid
  9. Size, Shape, Color, Density, and Weight
  10. a substance that releases oxygen
  11. oxygen to produce an oxide
  12. Has no definite volume or shape
  13. A chemical reaction that combines a substance with oxygen to produce an Oxide
  14. substance that allows oil and water to mix or emulsify
  15. Subatomic particle with no charge
  16. Subatomic particle with a Positive Charge
  17. Most simple form of chemical matter
  18. The center of an Atom and contains Protons and Neutrons

37 Clues: oxygen to produce an oxide • Radicals Causes inflammation • A change in physical properties • Has a definite volume and shape • Has no definite volume or shape • a substance that releases oxygen • Subatomic particle with no charge • Most simple form of chemical matter • raises pH to allow product penetration • Size, Shape, Color, Density, and Weight • ...

Chemistry Crossword 2019-06-09

Chemistry Crossword crossword puzzle
Across
  1. group 17 elements in the periodic table; the most reactive non-metals
  2. group of atoms joined by covalent bonds
  3. number of protons in the nucleus of one atom of an element
  4. substance made of only one kind of matter, which has a unique set of properties
  5. chemical combination of two or more elements in a specific ratio
  6. chemical reaction that absorbs energy
  7. pure substance that cannot be broken down into other substances; substance made up of only one type of atom
  8. combination of symbols that represent a compound; the formula identifies the elements in the compound and the amount of each element
  9. vertical column of elements in the periodic table; elements in a family all have similar chemical properties; also called a family
  10. mass of one atom of an element calculated from the total number of protons, neutrons, and electrons of that atom; measured in atomic mass units (amu)
  11. chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
  12. new substance produced in a chemical reaction between reactant
Down
  1. substance that reacts with another substance or substances in a chemical reaction to create new substances with different properties
  2. 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
  3. element that has both metallic and non-metallic properties
  4. shiny, malleable, ductile element that conducts electricity
  5. the smallest part of an element that is representative of that element; a neutral particle made up of a nucleus containing protons and neutrons, and in which the number of electrons equals the number of protons
  6. pure substance formed when at least one metal and one non-metal combine
  7. group 18 elements in the periodic table; the most stable and unreactive elements
  8. heterogeneous mixture; mixture in which the different substances that make up the mixture are visible
  9. horizontal row of elements in the periodic table
  10. combination of pure substances; unlike a compound, the components of a mixture do not combine chemically and are not always in the same ratio
  11. vertical column of elements in the periodic table; elements in a family all have similar chemical properties; also called a group
  12. slow chemical change that occurs when oxygen in the air reacts with a metal

24 Clues: chemical reaction that absorbs energy • group of atoms joined by covalent bonds • horizontal row of elements in the periodic table • number of protons in the nucleus of one atom of an element • element that has both metallic and non-metallic properties • shiny, malleable, ductile element that conducts electricity • ...

Cell Chemistry 2013-04-13

Cell Chemistry crossword puzzle
Across
  1. a process where solvent molecules move through a semipermeable membrane
  2. a process where one substance penetrates into the interior of another material
  3. the acronym for deoxyribonucleic acid
  4. threadlike bodies consisting of chromatin that carry the genes in a linear order
  5. transport the movement of ions or molecules across a cellular membrane requiring the consumption of energy
  6. Reaction a chemical reaction is a chemical change which forms new substances
  7. diffusion a process by which substances are transported across cell membranes
  8. transport transport that doesn’t use energy
  9. phenyl
  10. the chemical reaction that occurs between fuel and an oxidizing agent
  11. a set of chemical reactions used by plants using light for energy
  12. a polypeptide of molecule made up of polypeptides
  13. Respiration the oxidation of organic compounds
  14. a substance that provides nourishment for growth or metabolism
  15. acid the building blocks of proteins
  16. acids a carboxylic acid with a long side chain of hydrocarbons
  17. when particles move from areas of high concentration to areas of low concentration
  18. the positively charged center of an atom
Down
  1. a chemical species that is formed when two or more atoms join together
  2. adenosine triphosphate
  3. an organic molecule made up of a nucleotide base
  4. a sugar having many different forms
  5. the state or degree of being acid
  6. a measurement of the amount of solute dissolved in a liquid
  7. an organelle in the cytoplasm that functions in energy production
  8. defining structure of an element which cannot be broken by any chemical means
  9. compounds that are generally soluble in organic solvents
  10. to produce carbohydrates by photosynthesis
  11. a class of organic compounds
  12. any gaseous envelope or medium
  13. reproduction reproduction not involving the union of gametes
  14. a protein that functions as a catalyst for chemical reactions
  15. the ability to work
  16. a carbohydrate characterized by a sweet taste
  17. to cause a solute to pass into solution
  18. dioxide a colorless, odorless, incombustible gas

36 Clues: phenyl • the ability to work • adenosine triphosphate • a class of organic compounds • any gaseous envelope or medium • the state or degree of being acid • a sugar having many different forms • acid the building blocks of proteins • the acronym for deoxyribonucleic acid • to cause a solute to pass into solution • the positively charged center of an atom • ...

Chapter 2 Essential Vocabulary Crossword 2022-09-27

Chapter 2 Essential Vocabulary Crossword crossword puzzle
Across
  1. negative ion formed by an atom gaining one or more electron
  2. positively charged particle that resides in the atom's nucleus
  3. anything that has mass and occupies space
  4. substance composed of molecules consisting of atoms of at least two different elements
  5. 1 of 118 substances that can't break down into smaller substances
  6. power derived from the utilization of physical or chemical resources, especially to provide light & heat or to work machines
  7. molecule that takes part in a chemical reaction
  8. negatively charged subatomic particle that resides outside the nucleus in electron orbital
  9. condition in the course of a reversible chemical reaction in which no net change in amounts of reactants & products occurs
  10. chemical bond that forms between ions with opposite charges
  11. 1 or more forms of an element that have different numbers of neutrons
  12. a strong bond formed between two atoms of the same of different elements; forms when electrons are shared between atoms
  13. stored energy that depends upon the relative position of various parts of a system
  14. ability of some elements to attract electrons, acquiring partial negative charges in molecules & creating partial positive charges on the hydrogen atoms
Down
  1. outermost shell of an atom
  2. chemical bond in which two pairs of electrons are shared between two atoms
  3. the smallest unit of matter that retains all the chemical properties of an element
  4. a formula which shows the arrangement of atoms in the molecule of a compound
  5. positive ion formed by an atom losing one or more electrons
  6. very weak interaction between molecules due to temporary charges attracting atoms that are very close together
  7. molecule that is result of chemical reaction
  8. weak bond between slightly positively charged hydrogen atoms & slightly negatively charged atoms in other molecules
  9. 2 or more atoms chemically bonded together
  10. atom or chemical group that doesn't contain equal numbers of protons & electrons

24 Clues: outermost shell of an atom • anything that has mass and occupies space • 2 or more atoms chemically bonded together • molecule that is result of chemical reaction • molecule that takes part in a chemical reaction • negative ion formed by an atom gaining one or more electron • positive ion formed by an atom losing one or more electrons • ...

National 5 Chemistry - Whole Course 2023-03-24

National 5 Chemistry - Whole Course crossword puzzle
Across
  1. The functional group of the carboxylic acids
  2. A base that produces carbon dioxide when neutralised is a metal __________
  3. Fertilisers must contain Nitrogen, Potassium and/or ___________
  4. The loss of electrons
  5. This type of radiation is a high energy wave
  6. A reaction which takes in energy
  7. A chemical which speeds up a chemical reaction without being used
  8. Alkenes rapidly ___________ bromine water
Down
  1. A method to extract highly reactive metals from ores(e.g. Aluminium)
  2. Silicon dioxide is a covalent __________
  3. Metal __________. Produced when metals react with water.
  4. Cycloalkanes are ____________
  5. To be used in titration calculations, results must be ____________
  6. A negative subatomic particle
  7. As chain length increases, solubility ____________
  8. Radiation that is attracted to the negative plate
  9. An 8 carbon alkane
  10. What bonding is present in Magnesium Oxide
  11. The Ostwald reaction is catalysed by this

19 Clues: An 8 carbon alkane • The loss of electrons • Cycloalkanes are ____________ • A negative subatomic particle • A reaction which takes in energy • Silicon dioxide is a covalent __________ • The Ostwald reaction is catalysed by this • Alkenes rapidly ___________ bromine water • What bonding is present in Magnesium Oxide • The functional group of the carboxylic acids • ...

Key terms 2024-09-13

Key terms crossword puzzle
Across
  1. A type of reaction that breaks down molecules into smaller units, releasing energy.
  2. A mixture where particles are dispersed throughout but may settle over time.
  3. A chemical reaction where a compound breaks down into simpler substances.
  4. The substances formed as a result of a chemical reaction.
  5. A lipid that is an essential component of cell membranes.
  6. The tendency of a substance to undergo chemical reactions.
  7. The building blocks of polymers.
  8. Large molecules composed of amino acids; essential for all living organisms.
  9. Related to the chemical processes that occur within a living organism.
  10. Atoms or molecules that have gained or lost electrons, resulting in a charge.
  11. A scale used to measure the acidity or basicity of a solution, ranging from 0 to 14.
  12. Proteins that act as biological catalysts in living organisms.
  13. Neutral particles found in the nucleus of an atom.
  14. A region around the nucleus where electrons are likely to be found.
  15. A substance that accepts hydrogen ions (H⁺) in a solution.
  16. A radioactive form of an element, often used in medical imaging or treatments.
  17. The basic units of matter and the defining structure of elements.
  18. Substances dissolved in a solvent to form a solution.
  19. A substance that speeds up a chemical reaction without being consumed.
  20. Negatively charged particles that orbit the nucleus of an atom.
  21. The amount of a substance in a given volume of solution.
  22. A common sugar composed of glucose and fructose.
  23. A measure of the concentration of a solution, expressed in moles per liter.
  24. Pure substances consisting of only one type of atom.
  25. A type of lipid with a structure composed of four fused rings.
  26. Adenosine triphosphate, the primary energy carrier in cells.
  27. Anything that has mass and takes up space.
Down
  1. A simple sugar that is an important energy source in living organisms.
  2. A type of mixture where one substance is dissolved evenly in another.
  3. A simple sugar found in many plants; a component of sucrose.
  4. Large molecules made up of repeating units called monomers.
  5. The starting substances in a chemical reaction.
  6. Compounds formed by the reaction of an acid and a base.
  7. The protection provided by fluids in the body to reduce impact.
  8. A measure of the average kinetic energy of the particles in a substance.
  9. Positively charged particles found in the nucleus of an atom.
  10. A unit measuring the amount of a substance, equivalent to 6.022 × 10²³ particles.
  11. Combinations of two or more substances that are not chemically bonded.
  12. The process of maintaining a stable internal environment in an organism.
  13. A reaction that absorbs energy from its surroundings.
  14. A substance that donates hydrogen ions (H⁺) in a solution.
  15. A type of reaction that builds larger molecules from smaller ones.
  16. A group of naturally occurring molecules including fats, oils, and waxes.
  17. A mixture where particles are dispersed throughout but do not settle out.
  18. A component of ATP, involved in energy transfer in cells.
  19. Substances that help maintain a stable pH in a solution.
  20. H₂O, a molecule essential for life, acting as a solvent and temperature regulator.
  21. A measure of an atom’s ability to attract and hold electrons in a chemical bond.
  22. The ability to do work or cause change.
  23. The substance on which an enzyme acts.

50 Clues: The building blocks of polymers. • The substance on which an enzyme acts. • The ability to do work or cause change. • Anything that has mass and takes up space. • The starting substances in a chemical reaction. • A common sugar composed of glucose and fructose. • Neutral particles found in the nucleus of an atom. • Pure substances consisting of only one type of atom. • ...

Understanding DNA 2025-10-13

Understanding DNA crossword puzzle
Across
  1. Molecules made up of many joined amino acids
  2. Nitrogen-containing molecules used to build up proteins
  3. A chemical element or vitamin needed to help an enzyme work well
  4. The molecule which attaches itself to an enzyme so a chemical reaction can readily take place
  5. A string of amino acids that form a molecule with a biological function
  6. A spiral shape
Down
  1. A unit made up of a phosphate, a sugar and a base
  2. Describes molecules attracted to water
  3. One of adenine, guanine, cytosine, thymine, uracil
  4. Describes molecules repelled by water
  5. Large molecules made up of repeating sub-units
  6. Any chemical which speeds up or slows down a reaction without itself being chemically changed in the reaction
  7. Single strands of nucleic acid
  8. Biochemical catalysts
  9. Double strands of nucleic acid
  10. Molecules made up of two joined amino acids

16 Clues: A spiral shape • Biochemical catalysts • Single strands of nucleic acid • Double strands of nucleic acid • Describes molecules repelled by water • Describes molecules attracted to water • Molecules made up of two joined amino acids • Molecules made up of many joined amino acids • Large molecules made up of repeating sub-units • ...

Basic Chemistry 2024-09-13

Basic Chemistry crossword puzzle
Across
  1. A radioactive isotope that emits radiation during decay (p. 28).
  2. A reaction that breaks chemical bonds by adding water (p. 38).
  3. A space region around the nucleus where electrons are likely to be found (p. 26).
  4. Reaction A reaction where a compound breaks down into simpler substances (p. 36).
  5. Energy Energy of motion (p. 24).
  6. Bond A bond is formed by sharing electrons between atoms (p. 32).
  7. A positively charged particle in the nucleus (p. 25).
  8. The substance that dissolves the solute in a solution (p. 29).
  9. A negatively charged particle outside the nucleus (p. 25).
  10. Reaction A reaction that releases energy (p. 37).
  11. The smallest unit of a compound with its properties (p. 28).
  12. A homogeneous mixture of substances (p. 29).
  13. Number The number of protons and neutrons in an atom’s nucleus (p. 27).
  14. The capacity to do work or cause change (p. 24).
  15. A substance that cannot be chemically broken down further (p. 25).
  16. The amount of a substance in a given volume (p. 37).
  17. An element that tends to lose electrons and form positive ions (p. 34).
  18. A negatively charged ion (p. 32).
  19. Physical combinations of substances not chemically bonded (p. 29).
  20. A positively charged ion (p. 32).
  21. Table A chart of elements arranged by atomic number, showing repeating properties (p. 25).
  22. A substance that reduces hydrogen ion concentration (p. 39).
  23. Energy Stored energy (p. 24).
  24. A substance that increases hydrogen ion concentration (p. 39).
Down
  1. Bond The force holding atoms together in molecules or compounds (p. 31).
  2. A substance that speeds up a reaction without being consumed (p. 38).
  3. The smallest unit of matter retaining element properties (p. 25).
  4. A mixture of large particles that settle out over time (p. 30).
  5. A reaction where a compound breaks into simpler substances (p. 36).
  6. The loss of electrons from a substance (p. 36).
  7. An atom’s tendency to attract electrons in a bond (p. 34).
  8. A substance formed from two or more chemically bonded elements (p. 28).
  9. A solution that resists pH changes (p. 41).
  10. Reaction A reaction where parts of two reactants are exchanged to form new products (p. 36).
  11. Bond A weak bond between a proton in one molecule and an electronegative atom in another (p. 34).
  12. Energy The minimum energy required to start a reaction (p. 52).
  13. Shell The outermost electron shell of an atom (p. 31).
  14. Reaction A reaction that absorbs energy (p. 37).
  15. A biological catalyst that speeds up reactions (p. 51).
  16. Reaction A process that transforms one set of chemicals into another (p. 35).
  17. Substances that change in a chemical reaction (p. 35).
  18. Reaction A reaction where two or more substances form a new compound (p. 36).
  19. An atom or molecule with an electric charge due to lost or gained electrons (p. 32).
  20. Number The number of protons in an atom's nucleus (p. 27).
  21. Energy Energy that travels in waves (e.g., light) (p. 24).
  22. Atoms of the same element with different neutron numbers (p. 27).
  23. Anything with mass and volume (p. 24).
  24. Substances formed by a chemical reaction (p. 35).
  25. A mixture with small particles that stay dispersed and don’t settle out (p. 30).
  26. A measure of a solution's acidity or basicity (p. 40).

50 Clues: Energy Stored energy (p. 24). • Energy Energy of motion (p. 24). • A negatively charged ion (p. 32). • A positively charged ion (p. 32). • Anything with mass and volume (p. 24). • A solution that resists pH changes (p. 41). • A homogeneous mixture of substances (p. 29). • The loss of electrons from a substance (p. 36). • The capacity to do work or cause change (p. 24). • ...

Lindsey Wade- Chapter 13 2016-10-10

Lindsey Wade- Chapter 13 crossword puzzle
Across
  1. a substance that is the result of the chemical change
  2. breaking down of compounds
  3. building or creating a compound
  4. two changes to new team
  5. energy transfers from reactants to surroundings
  6. the energy stored in molecules that can be released during a reaction
Down
  1. AB+Oxygen -> oxides of A+B
  2. these are rearranged during a chemical reaction
  3. one changes to new team
  4. change the substance
  5. must be added to break bonds
  6. two types (endothermic and exothermic)
  7. energy transfers from surroundings to reactants
  8. a substance that undergoes a chemical change
  9. forming bonds releases __________

15 Clues: change the substance • one changes to new team • two changes to new team • AB+Oxygen -> oxides of A+B • breaking down of compounds • must be added to break bonds • building or creating a compound • forming bonds releases __________ • two types (endothermic and exothermic) • a substance that undergoes a chemical change • these are rearranged during a chemical reaction • ...

Balancing Chemical Reactions 2021-09-14

Balancing Chemical Reactions crossword puzzle
Across
  1. Uses chemical formulas and symbols
  2. when two or more substances make a new one
  3. The little numbers below the line
  4. The big numbers before the chemicals
  5. The chemical reaction before the arrow
Down
  1. little letters in parenthesis
  2. Starting mass of reactants product
  3. The chemical reaction after the arrow
  4. What the arrow means
  5. The physical substance that takes up space

10 Clues: What the arrow means • little letters in parenthesis • The little numbers below the line • Starting mass of reactants product • Uses chemical formulas and symbols • The big numbers before the chemicals • The chemical reaction after the arrow • The chemical reaction before the arrow • when two or more substances make a new one • The physical substance that takes up space

Chemistry 2016-02-10

Chemistry crossword puzzle
Across
  1. what is formed after a chemical reaction
  2. conductor of electricity can be melted
  3. the mass of an atom
  4. great stability and low reaction rates
  5. mass stays the same after a chemical reaction
  6. basic substance made of atoms
  7. developed periodic table
  8. two or more elements to combine
  9. horizontal row
  10. part of the nucleus and has no charge
  11. smallest possible substance
  12. putting a thin layer of metal over something
Down
  1. changes when combined
  2. central part of an atom
  3. tells how many protons are in an atom
  4. travels around nucleus and has negative charge
  5. the electron in the outer most orbital
  6. part of the nucleus has a positive charge
  7. produces heat
  8. lacks characteristics of a metal
  9. abbreviation of an element
  10. absorbs heat
  11. between a metal and a nonmetal
  12. smallest unit of any amount of matter
  13. ring of an atom
  14. column

26 Clues: column • absorbs heat • produces heat • horizontal row • ring of an atom • the mass of an atom • changes when combined • central part of an atom • developed periodic table • abbreviation of an element • smallest possible substance • basic substance made of atoms • between a metal and a nonmetal • two or more elements to combine • lacks characteristics of a metal • ...

Dylan's Crossword 2018-01-25

Dylan's Crossword crossword puzzle
Across
  1. transition from liquid to solid
  2. the substance formed of a chemical reaction
  3. the negatively charged atom in every element
  4. unit of measure for temperature on an absolute scale
  5. colorless and odorless. we drink it every day
  6. sugar
  7. the amount of energy that it takes to move en electron to form a atom, to later form a cation
  8. the substance in which dissolves inside another liquid
Down
  1. two or more chemicals acting together to form another substance
  2. nitric oxide
  3. electrons the number of negatively charged atoms on the outermost orbital
  4. NO2
  5. Sodium Chloride
  6. a way to identify how they are sorted vertically on a periodic table
  7. a way to identify how many orbitals are in the Bohr model
  8. dinitrogen penoxide
  9. used to make literally everything in the universe
  10. strontium nitride
  11. amount of production produced from a chemical reaction
  12. the non-charged atom in every element

20 Clues: NO2 • sugar • nitric oxide • Sodium Chloride • strontium nitride • dinitrogen penoxide • transition from liquid to solid • the non-charged atom in every element • the substance formed of a chemical reaction • the negatively charged atom in every element • colorless and odorless. we drink it every day • used to make literally everything in the universe • ...

Crossword Unit Two 2023-04-04

Crossword Unit Two crossword puzzle
Across
  1. An organism that doesn't love water
  2. Basic unit of matter
  3. The reaction in a chemical reaction
  4. all things combined together to make this
  5. when it takes a long time to build up energy
  6. Where molecules move to lower concentrated areas
  7. Combine to form cells
  8. special proteins that lower activation energy
  9. an organism that likes water
  10. make up an organ system
  11. when an emzyme changes shape and no longer fits in the active site
  12. A type of diffusion that involves water
  13. ONly allowing certain molecules to pass
Down
  1. combine to make an organism
  2. a transport method that doesn't use energy
  3. contains a hydrophilic head and two hydrophobic tails
  4. When cells spend energy to move molecules
  5. A special region on an enzyme
  6. The outcome of a chemical reaction
  7. Combined atoms form these
  8. combine to form various tissues
  9. combine to form organs

22 Clues: Basic unit of matter • Combine to form cells • combine to form organs • make up an organ system • Combined atoms form these • combine to make an organism • an organism that likes water • A special region on an enzyme • combine to form various tissues • The outcome of a chemical reaction • An organism that doesn't love water • The reaction in a chemical reaction • ...

Crossword Homework 2012-10-09

Crossword Homework crossword puzzle
Across
  1. Substance that increases the rate of a chemical reaction by lowering the activation energy without being chemicalally changed by the reaction.
  2. Area of chemistry concerned with the speed, or rate, at which chemical reactions proceed.
  3. A measure of the warmth or coldness of an object or substance with reference to some standard value.
  4. Change in the concentration of reactants and products per unit time as a reaction proceeds
Down
  1. Difference between the energy of an activated complex and the energy of the reactants of a chemical reaction; energy with which particles must collide in order to react.
  2. Heat content of a system at constant pressure.
  3. Substance that decreases the rate of a chemical reaction.
  4. Theory that suggests an explanation of chemical reactions bases upon the collisions of particles and the orientation and energy with which they collide.
  5. The normal force applied to a unit area of a surface
  6. Expression that relates the rate of a reaction to the concentration of substances involved in the reaction

10 Clues: Heat content of a system at constant pressure. • The normal force applied to a unit area of a surface • Substance that decreases the rate of a chemical reaction. • Area of chemistry concerned with the speed, or rate, at which chemical reactions proceed. • Change in the concentration of reactants and products per unit time as a reaction proceeds • ...

Biochemistry 2016-09-16

Biochemistry crossword puzzle
Across
  1. A substance formed as a result of a chemical reaction
  2. Broken down to provide energy.
  3. (2 words) Region of an enzyme into which a particular substrate fits.
  4. a starting substance in a chemical reaction
  5. (2 words)the minimum amount of energy required to start a chemical reaction
  6. Carbohydrates that are made up of more than two monosaccharides
  7. A very large organic molecule composed of many smaller molecules
  8. (2 words) Building blocks of protein
  9. A molecule that is made up of amino acids and that is needed to build and repair body structures and to regulate processes in the body.
  10. A single-stranded nucleic acid that passes along genetic messages
  11. a substance that initiates or accelerates a chemical reaction without itself being affected
  12. A double-stranded, helical nucleic acid molecule capable of replicating and determining the inherited structure of a cell's proteins.
  13. Energy-rich organic compounds, such as fats, oils, and waxes, that are made of carbon, hydrogen, and oxygen.
Down
  1. The molecule upon which an enzyme acts.
  2. (2 words) Measurement system used to indicate acids and bases; runs from 0-14
  3. Molecule with partial charges. Mixes with water
  4. A single sugar molecule such as glucose or fructose, the simplest type of sugar
  5. (2 words)A change in which one or more substances are converted into new substances.
  6. A substance that increases the hydrogen ion concentration of a solution.
  7. A type of protein that speeds up a chemical reaction in a living thing
  8. A building block of DNA, consisting of a five-carbon sugar covalently bonded to a nitrogenous base and a phosphate group.
  9. Attraction between molecules of the same substance
  10. The subunit that serves as the building block of a polymer.
  11. (2 words) Biological macromolecule that stores genetic information
  12. A substance that decreases the hydrogen ion concentration in a solution.
  13. A long molecule consisting of many similar or identical monomers linked together.
  14. An attraction between molecules of different substances

27 Clues: Broken down to provide energy. • (2 words) Building blocks of protein • The molecule upon which an enzyme acts. • a starting substance in a chemical reaction • Molecule with partial charges. Mixes with water • Attraction between molecules of the same substance • A substance formed as a result of a chemical reaction • ...

Crossword on Organic reaction mechanisms 2021-02-04

Crossword on Organic reaction mechanisms crossword puzzle
Across
  1. This is caused in the form of light by absorption of heat.
  2. This is a thermodynamic quantity in which is a measure of the degree of disorder within any given system.
  3. This is the lowest amount of energy required to make the atoms or molecules undergo reactions.
  4. electrons to form a covalent bond.
  5. This is the phase in which both reactants and products are present in concentrations that do not have any further tendency to change over time, so that there is no apparent change in the system's properties.
  6. This is when two substituents are removed from a molecule by a one or two step mechanism.
  7. This is a process that increases the co ordination number and oxidative state of a metal centre
  8. An object or molecule does not possess symmetry.
  9. A broad type of reaction when the carbon skeleton of a molecule is changed to give a structural isomer of the initial molecule.
Down
  1. This reaction inlcudes a transfer of electrons between two species.
  2. This is a reaction where the results is one pi bond being converted into a sigma pond or the other way round
  3. These are mirror images of each other but are not identical to each other.
  4. A substance which speeds up reactions when added.
  5. A chemical reaction between an acid and a base.
  6. Any chemical reactions which include free moving radicals.
  7. This is when one fuctional group in a chemical compound is replaced by another functional group.
  8. When energy is absorbed from the surroundings into a system, which causes an the standard enthalpy change to a positive value.
  9. A chemical species that forms bonds with nucleophiles by accepting an electron pair.
  10. This happens when a molecule rearranges itself to form one or more products.
  11. The simplest reaction in which two or more molecules join to form a bigger one.
  12. When energy is transferred to the surroundings resulting in the standard enthalpy change to be a negative value.
  13. This is a chemical species which

22 Clues: This is a chemical species which • electrons to form a covalent bond. • A chemical reaction between an acid and a base. • An object or molecule does not possess symmetry. • A substance which speeds up reactions when added. • This is caused in the form of light by absorption of heat. • Any chemical reactions which include free moving radicals. • ...

Vocabulary for Chapter 2 2022-09-20

Vocabulary for Chapter 2 crossword puzzle
Across
  1. a bio-molecule composed of carbon, hydrogen, and oxygen with a ration of about two hydrogen atoms and one oxygen atom for every carbon atom
  2. A substance produced in a chemical reaction
  3. Attraction between molecules of the same substance
  4. A type of protein that speeds up a chemical reaction in a living thing
  5. The smallest particle of a covalent bonded compound
  6. substance that speeds up the rate of a chemical reaction
  7. Molecule with partial charges. Mixes with water.
  8. the process by which one substance, the solute, is broken up into smaller pieces by and distributed
  9. Simple carbohydrates
  10. Building blocks of protein
  11. An attractive between two atoms as a result of sharing or transferring valence electrons.
  12. the physical stuff that makes up the universe
  13. A substance that can produce hydroxide ions or accept hydrogen ions in solution
  14. A pure substance made of only one kind of atom
  15. a substance that takes part in and undergoes change during a reaction.
Down
  1. The tendency of energy to disperse and become less available to do work
  2. A substance that slows down or stops a chemical reaction
  3. A change in a substance that does not change its identity of the substance.
  4. The process by which particles in solution are evenly distributed throughout the solvent by Brownian motion.
  5. A pure substance made from two or more elements that are chemically combined.
  6. the ability to do work
  7. A change in a substance that results in one or more new substances being formed that have different physical and chemical properties than those of the original substance.
  8. a measurement of the average speed of particles within a substance.
  9. Compounds that contain carbon
  10. Energy-rich organic compounds, such as fats, oils, and waxes, that are made of carbon, hydrogen, and oxygen.
  11. A substance that can produce hydrogen ions in solution
  12. monomer of nucleic acids made up of a 5-carbon sugar, a phosphate group, and a nitrogenous base
  13. Building blocks of matter
  14. An attraction between molecules of different substances

29 Clues: Simple carbohydrates • the ability to do work • Building blocks of matter • Building blocks of protein • Compounds that contain carbon • A substance produced in a chemical reaction • the physical stuff that makes up the universe • A pure substance made of only one kind of atom • Molecule with partial charges. Mixes with water. • ...

Photosynthesis 2021-11-17

Photosynthesis crossword puzzle
Across
  1. What is needed for a chemical reaction to occur
  2. water and ___ are the reactants in the photosynthesis equation
  3. a green pigment that allows the plant to absorb sunlight.
  4. food that is produced during photosynthesis
  5. The organelles where photosynthesis takes place.
  6. Process in which plants make food and produce oxygen.
Down
  1. photosynthesis is a ___ reaction
  2. gives the plant energy
  3. released by the plant
  4. similar to the human circulatory system
  5. Substances formed in a chemical reaction.

11 Clues: released by the plant • gives the plant energy • photosynthesis is a ___ reaction • similar to the human circulatory system • Substances formed in a chemical reaction. • food that is produced during photosynthesis • What is needed for a chemical reaction to occur • The organelles where photosynthesis takes place. • Process in which plants make food and produce oxygen. • ...

Chemical Reactions and The Law of Conservation of Mass 2025-05-05

Chemical Reactions and The Law of Conservation of Mass crossword puzzle
Across
  1. One element changes places
  2. A type of reaction in which the system ABSORBS energy
  3. Is a positive charge
  4. EACH ElEMENT that are present in a compound
  5. A type of reaction that RElEASES energy
  6. EACH COMPOUND that is present
  7. The basic unit of a chemical element
  8. Substances created by chemical change
  9. Products are ALWAYS CO2 and H2O
  10. Anything that has mass and take up space
Down
  1. means "to break apart"
  2. Two or more substances combine to form a new substance
  3. Is a negative charge
  4. Occurs between two iconic compounds
  5. Substances that are destroyed by the chemical change

15 Clues: Is a negative charge • Is a positive charge • means "to break apart" • One element changes places • EACH COMPOUND that is present • Products are ALWAYS CO2 and H2O • Occurs between two iconic compounds • The basic unit of a chemical element • Substances created by chemical change • A type of reaction that RElEASES energy • Anything that has mass and take up space • ...

States of matter 2025-11-05

States of matter crossword puzzle
Across
  1. .... process, the substance only changes its form
  2. chemical reaction
  3. the particles in solids and liquids are always ....
  4. opposite of melting
  5. some substance are mixed together and change form a new substance
  6. a solid substance
  7. .... wood is chemical reaction
Down
  1. change of state
  2. particles move slower and closer together
  3. all matter is made up of ....
  4. its particle are always moving
  5. a substance that is a gas
  6. the particles are close together but not packed in regular pattern
  7. in a .... the particles are packed tightly together
  8. when a liquid loses .... energy the particles slow down and move together

15 Clues: change of state • chemical reaction • a solid substance • opposite of melting • a substance that is a gas • all matter is made up of .... • its particle are always moving • .... wood is chemical reaction • particles move slower and closer together • .... process, the substance only changes its form • the particles in solids and liquids are always .... • ...

Sadia Ahidjo 2022-03-08

Sadia Ahidjo crossword puzzle
Across
  1. is a conversion factor between compounds in a chemical reaction, that is derived from the coefficients of the compounds in a balanced equation
  2. A chemical reaction is a process that leads to the chemical transformation of one set of chemical substances to another
  3. the lowest wheel # racial element within a compound.
  4. of 1 mole of substance
  5. maximum amount of product that can be produced based on the limiting reactant.
  6. is a unit of mass in the metric system defined as one thousandth (1 x 10-3) of a kilogram.
Down
  1. the ratio of the actual yield to the theoretical yield
  2. reactant that runs out first in a chemical reaction.
  3. multiple of an empirical formula
  4. the study of ratios within chemical reaction

10 Clues: of 1 mole of substance • multiple of an empirical formula • the study of ratios within chemical reaction • reactant that runs out first in a chemical reaction. • the lowest wheel # racial element within a compound. • the ratio of the actual yield to the theoretical yield • maximum amount of product that can be produced based on the limiting reactant. • ...

Sadia Ahidjo 2022-03-08

Sadia Ahidjo crossword puzzle
Across
  1. is a conversion factor between compounds in a chemical reaction, that is derived from the coefficients of the compounds in a balanced equation
  2. A chemical reaction is a process that leads to the chemical transformation of one set of chemical substances to another
  3. the lowest wheel # racial element within a compound.
  4. of 1 mole of substance
  5. maximum amount of product that can be produced based on the limiting reactant.
  6. is a unit of mass in the metric system defined as one thousandth (1 x 10-3) of a kilogram.
Down
  1. the ratio of the actual yield to the theoretical yield
  2. reactant that runs out first in a chemical reaction.
  3. multiple of an empirical formula
  4. the study of ratios within chemical reaction

10 Clues: of 1 mole of substance • multiple of an empirical formula • the study of ratios within chemical reaction • reactant that runs out first in a chemical reaction. • the lowest wheel # racial element within a compound. • the ratio of the actual yield to the theoretical yield • maximum amount of product that can be produced based on the limiting reactant. • ...

Paxton Dill 4.1.3 Enzymes 2024-02-07

Paxton Dill 4.1.3 Enzymes crossword puzzle
Across
  1. an 7 on pH scale
  2. breaks down starch into maltose
  3. name of the hypothesis that helps explain enzyme functioning
  4. a substance that increases the rate of a chemical reaction.
  5. chemical reactions done by living organisms
  6. enzymes speed up reactions
  7. build or add molecules
  8. enzymes interact with specific substrates
  9. area of the enzyme that fits around the substrate
  10. an enzyme that is denatured reversible
  11. breaks down proteins into smaller polypeptide units
Down
  1. 0 on pH scale
  2. enzymes break molecules apart
  3. 14 on pH scale
  4. what activates a enzyme
  5. many enzymes end in what
  6. enzymes change shape after a reaction occurs
  7. substrate turns into this after the enzyme lets it go
  8. molecule the enzyme will work on
  9. energy needed to begin a reaction
  10. Breakdown of polymers into monomers
  11. change in pH, and Change in Temp.
  12. Made of Amino Acids
  13. many substrates end in what
  14. Percentage of hydrogen ions in a solution

25 Clues: 0 on pH scale • 14 on pH scale • an 7 on pH scale • Made of Amino Acids • build or add molecules • what activates a enzyme • many enzymes end in what • enzymes speed up reactions • many substrates end in what • enzymes break molecules apart • breaks down starch into maltose • molecule the enzyme will work on • energy needed to begin a reaction • change in pH, and Change in Temp. • ...

Chemistry 2025-12-12

Chemistry crossword puzzle
Across
  1. substance that speeds up a chemical reaction
  2. law of conservation of mass
  3. a state of balance
  4. fundamental way to express solution concentration
  5. Specific wavelengths to quantify it instrument
  6. chemical bonds, electrons
  7. the most common reaction is between aluminum and iron oxide producing aluminum oxide and molten iron
  8. rusting, batteries, corrosion
  9. synthetic,superheavy, group 4 transition metal
Down
  1. substance formed by the electrostatic attraction between oppositely charged particles
  2. carbon -carbon double bonds
  3. ideal gas law
  4. solids,glass,rubber their atoms randomly arranged
  5. example of this hydrogen has a state of +1 and oxygen has a state of -2
  6. element with the highest boiling point in the periodic table (about 5930*c
  7. form of photoluminescence
  8. cyanogenic glycoside
  9. reaction carbon-carbon bonds ____ reagent
  10. name conical laboratory flask
  11. Who won the first Nobel prize in chemistry last name no Van

20 Clues: ideal gas law • a state of balance • cyanogenic glycoside • form of photoluminescence • chemical bonds, electrons • carbon -carbon double bonds • law of conservation of mass • name conical laboratory flask • rusting, batteries, corrosion • reaction carbon-carbon bonds ____ reagent • substance that speeds up a chemical reaction • Specific wavelengths to quantify it instrument • ...

~Chapter~13 ~Madison~Spaulding~ 2021-12-01

~Chapter~13 ~Madison~Spaulding~ crossword puzzle
Across
  1. Bases ____ protons.
  2. ~when reaction and its reverse act at the same rate.
  3. How quickly the concentration of reactions decreases and how quickly the concentration of a product decreases.
  4. Increasing ______ favors the reaction that produces less gas "soda".
Down
  1. increasing the concentration of one substance favors the reaction that produces less of the substance.
  2. Acids ____ protons.
  3. ~ AB + Oxygen ----> oxides of A an B + H2O.
  4. chemical reactions can be reversed.
  5. An ____ is a chemical that accepts a Hydrogen Ion H4
  6. Increasing ______ favors the reaction that absorbs energy.
  7. A ____ is a chemical that donates a Hydrogen Ion H4

11 Clues: Acids ____ protons. • Bases ____ protons. • chemical reactions can be reversed. • ~ AB + Oxygen ----> oxides of A an B + H2O. • A ____ is a chemical that donates a Hydrogen Ion H4 • ~when reaction and its reverse act at the same rate. • An ____ is a chemical that accepts a Hydrogen Ion H4 • Increasing ______ favors the reaction that absorbs energy. • ...

Quiz 1 2017-05-18

Quiz 1 crossword puzzle
Across
  1. The industrial name for a concentrated solution of sodium chloride in water
  2. The conductors used to carry current into and out of a solution, they could be graphite rods for example
  3. A substance that brings about the reduction of another substance
  4. A poor conductor of heat or electricity
  5. The process of breaking down an ionic compound by passing an electric current through it
  6. The process of coating one metal with another
  7. Any reaction in which electrons are transferred
Down
  1. A chemical reaction in which a substance loses oxygen or gains electrons
  2. The positive electrode
  3. An exothermic chemical reaction in which the reactant combines with oxygen to form an oxide
  4. The liquid through which the current is passed during electrolysis
  5. A chemical reaction in which a substance gains oxygen or loses electrons
  6. A substance that allows heat or electricity to pass through it quite easily
  7. A substance that brings about the oxidation of another substance
  8. The negative electrode

15 Clues: The positive electrode • The negative electrode • A poor conductor of heat or electricity • The process of coating one metal with another • Any reaction in which electrons are transferred • A substance that brings about the oxidation of another substance • A substance that brings about the reduction of another substance • ...

Sadia Ahidjo 2022-03-08

Sadia Ahidjo crossword puzzle
Across
  1. is a conversion factor between compounds in a chemical reaction, that is derived from the coefficients of the compounds in a balanced equation
  2. A chemical reaction is a process that leads to the chemical transformation of one set of chemical substances to another
  3. the lowest wheel # racial element within a compound.
  4. of 1 mole of substance
  5. maximum amount of product that can be produced based on the limiting reactant.
  6. is a unit of mass in the metric system defined as one thousandth (1 x 10-3) of a kilogram.
Down
  1. the ratio of the actual yield to the theoretical yield
  2. reactant that runs out first in a chemical reaction.
  3. multiple of an empirical formula
  4. the study of ratios within chemical reaction

10 Clues: of 1 mole of substance • multiple of an empirical formula • the study of ratios within chemical reaction • reactant that runs out first in a chemical reaction. • the lowest wheel # racial element within a compound. • the ratio of the actual yield to the theoretical yield • maximum amount of product that can be produced based on the limiting reactant. • ...

Sadia Ahidjo 2022-03-08

Sadia Ahidjo crossword puzzle
Across
  1. is a conversion factor between compounds in a chemical reaction, that is derived from the coefficients of the compounds in a balanced equation
  2. A chemical reaction is a process that leads to the chemical transformation of one set of chemical substances to another
  3. the lowest wheel # racial element within a compound.
  4. of 1 mole of substance
  5. maximum amount of product that can be produced based on the limiting reactant.
  6. is a unit of mass in the metric system defined as one thousandth (1 x 10-3) of a kilogram.
Down
  1. the ratio of the actual yield to the theoretical yield
  2. reactant that runs out first in a chemical reaction.
  3. multiple of an empirical formula
  4. the study of ratios within chemical reaction

10 Clues: of 1 mole of substance • multiple of an empirical formula • the study of ratios within chemical reaction • reactant that runs out first in a chemical reaction. • the lowest wheel # racial element within a compound. • the ratio of the actual yield to the theoretical yield • maximum amount of product that can be produced based on the limiting reactant. • ...

Heat Change In Reaction 2023-06-09

Heat Change In Reaction crossword puzzle
Across
  1. Exothermic reaction _______ heat
  2. What happen to the surrounding temperature when exothermic reaction occur?
  3. What does delta symbol mean?
  4. Why our hand feel warm when detergent powder in palm in contact with water? What type of chemical reaction that occur?
Down
  1. What is the unit for heat of reaction?
  2. Endothermic reaction _______ heat
  3. Why our hand feel cold when applying hand sanitizer? What type of chemical reaction that occur?
  4. What is the delta symbol for endothermic reaction?
  5. What happen to the surrounding temperature when endothermic reaction occur?
  6. What is the delta symbol for exothermic reaction?

10 Clues: What does delta symbol mean? • Exothermic reaction _______ heat • Endothermic reaction _______ heat • What is the unit for heat of reaction? • What is the delta symbol for exothermic reaction? • What is the delta symbol for endothermic reaction? • What happen to the surrounding temperature when exothermic reaction occur? • ...

Photosynthesis 2021-06-29

Photosynthesis crossword puzzle
Across
  1. organism that makes its own food from sunlight.
  2. organism that needs to consume other organisms for food.
  3. CO2
  4. name for the molecule plants create to store chemical energy (tastes sweet!)
  5. energy stored in the bonds of chemical compounds.
Down
  1. green pigment located in Cholorplasts.
  2. process by which plants turn sunlight into chemical energy.
  3. the end result of a chemical reaction (what is made).
  4. Adenosine Triphosphate
  5. the "ingredients" of a chemical reaction.
  6. H2O

11 Clues: CO2 • H2O • Adenosine Triphosphate • green pigment located in Cholorplasts. • the "ingredients" of a chemical reaction. • organism that makes its own food from sunlight. • energy stored in the bonds of chemical compounds. • the end result of a chemical reaction (what is made). • organism that needs to consume other organisms for food. • ...

science 2022-05-02

science crossword puzzle
Across
  1. female ruler
  2. the combination of ideas to form a theory or system
  3. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
  4. not alone
  5. a multiplier or factor that measures some property
  6. reacts
  7. male ruler
  8. things you buy
  9. animal that digs in the ground
Down
  1. the ability or tendency to float in water or air or some other fluid.
  2. the distance from the top or surface to the bottom of something
  3. liquid
  4. decay
  5. alone
  6. (of a reaction or process) accompanied by or requiring the absorption of heat
  7. best school ever
  8. the quantity per unit volume, unit area, or unit length
  9. a statement of the equality of two mathematical expressions
  10. the thing you get on while skiing minus the word ski
  11. (of a reaction or process) accompanied by the release of heat.
  12. greatly impress or amuse

21 Clues: decay • alone • liquid • reacts • not alone • male ruler • female ruler • things you buy • best school ever • greatly impress or amuse • animal that digs in the ground • a multiplier or factor that measures some property • the combination of ideas to form a theory or system • the thing you get on while skiing minus the word ski • the quantity per unit volume, unit area, or unit length • ...

Chemistry final 2022-05-31

Chemistry final crossword puzzle
Across
  1. common acid
  2. acid with formula CH3COOH
  3. a metal breaking down with oxygen
  4. releases energy
  5. solar energy
  6. strange result
  7. unreactive gas
  8. bottom of the test tube
  9. acid + base
  10. a reaction where one element replaces another in a molecule
  11. baking soda
  12. test for carbon dioxide
  13. ion with more than one atom
  14. absorbs energy
  15. period 4 alkali earth
Down
  1. metal + acid
  2. a law which shall not be broken
  3. paper which measures pH
  4. two or more elements chemically combined
  5. makes things rust faster
  6. in a chemical reaction the atoms are......
  7. a synthetic reaction of life
  8. left side of a chemical equation
  9. a molecule is broken to smaller pieces
  10. made from incomplete combustion
  11. produced in the decomposition of a carbonate
  12. can be separated physically
  13. a type of fuel which is causing global warming
  14. On the periodic table
  15. common base
  16. 3 protons

31 Clues: 3 protons • common acid • acid + base • baking soda • common base • metal + acid • solar energy • strange result • unreactive gas • absorbs energy • releases energy • On the periodic table • period 4 alkali earth • paper which measures pH • bottom of the test tube • test for carbon dioxide • makes things rust faster • acid with formula CH3COOH • can be separated physically • ion with more than one atom • ...

Matter Properties 2025-02-05

Matter Properties crossword puzzle
Across
  1. a measure of acidity or basicity
  2. how easily a substance ignites or catches fire
  3. the feel of the surface of the matter
  4. the amount of "stuff" matter
  5. is the degree to which a substance can harm living things
  6. how matter smells
  7. the ability to exert magnetic force
  8. how easily matter bends without breaking
  9. the general form of matter
  10. the gradual destruction of an object by chemical reaction
  11. how well matter transfers electricity or heat
  12. how matter reflects light
Down
  1. how hot or cold the matter is
  2. corrosion due to a reaction with oxygen
  3. how difficult it to scratch
  4. the temperature a solid will melt
  5. how easily a substance undergoes a chemical reaction
  6. how well a substance dissolves into a substance
  7. matter's dimension or length x width x height
  8. the temperatire at which liquid evaporates
  9. is the degree to which a substance can harm living things

21 Clues: how matter smells • how matter reflects light • the general form of matter • how difficult it to scratch • the amount of "stuff" matter • how hot or cold the matter is • a measure of acidity or basicity • the temperature a solid will melt • the ability to exert magnetic force • the feel of the surface of the matter • corrosion due to a reaction with oxygen • ...

Stereochemistry - 1 2025-10-13

Stereochemistry - 1 crossword puzzle
Across
  1. M.F. C12H10
  2. plant hormone that promotes cell elongation, division, and differentiation
  3. most intense peak in a mass spectrum
  4. thermal elimination reaction - alcohols to olefins via xanthates
  5. diagram showing electronic states of a molecule and transitions
  6. quinoline synthesis by heating an aniline with glycerol, strong acid (sulfuric acid), and an oxidizing agent like nitrobenzene
  7. shift of a spectral absorption to a longer wavelength
  8. a chemical designed to kill, repel, or manage insect populations
  9. Species having an unshared electron pair
  10. Efficiency of a chemical reaction
  11. benzene ring fused to a pyridine ring
  12. yellow, lemon-scented liquid
Down
  1. σ-bond migration across a π-bonded system
  2. centre of chirality
  3. Bis(2-chloroethyl) sulfide
  4. fats and oils reacted with a strong alkali
  5. type of pericyclic reaction
  6. Thermodynamic term indicates Ability to accept a proton
  7. molecule with cumulative double bonds
  8. highly toxic, persistent organochlorine insecticide

20 Clues: M.F. C12H10 • centre of chirality • Bis(2-chloroethyl) sulfide • type of pericyclic reaction • yellow, lemon-scented liquid • Efficiency of a chemical reaction • most intense peak in a mass spectrum • molecule with cumulative double bonds • benzene ring fused to a pyridine ring • Species having an unshared electron pair • σ-bond migration across a π-bonded system • ...

Hannah Wilson 2021-03-04

Hannah Wilson crossword puzzle
Across
  1. when reaction and it's reverse act at the same rate
  2. no atoms are gained or lost during any reaction
  3. net absortion of energy
  4. a measure of the concentration of hydronium
  5. a substance that lowers the activation energy of a chemical reaction
Down
  1. produces oxides
  2. a chemical that accecpts a hydrogen ion
  3. the amount of energy required to pull two bonded atoms apart
  4. a chemical that donates a hydrogen ion
  5. reaction where there is a net release of energy

10 Clues: produces oxides • net absortion of energy • a chemical that donates a hydrogen ion • a chemical that accecpts a hydrogen ion • a measure of the concentration of hydronium • no atoms are gained or lost during any reaction • reaction where there is a net release of energy • when reaction and it's reverse act at the same rate • ...

Chemistry Crossword 2022-11-17

Chemistry Crossword crossword puzzle
Across
  1. an ion with a negative electrical charge.
  2. ion ion comprised of two or more atoms.
  3. chemical species formed when two or more atoms form a chemical bond.
  4. a mathematical relationship or rule expressed in symbols.
  5. chemical reaction in which a radical removes a proton from a molecule.
  6. ion with a positive electrical charge.
  7. chemical compound containing two different elements.
Down
  1. a substance that cannot be subdivided using chemical means; identified by the number of protons in its atoms.
  2. Compound molecule that contains covalent chemical bonds.
  3. ion molecules that contain two atoms that are chemically bonded
  4. Compound compound formed by ions bonding together due to electrostatic forces (differing electronegativity values).
  5. reaction between triglycerides and either sodium hydroxide or potassium hydroxide to form a fatty acid salt called soap and glycerol.
  6. chemical species formed by two or more atoms that share chemical bonds such that they form one unit.
  7. the devising or choosing of names for things, especially in a science or other discipline.
  8. natural mixture of polycyclic aromatic hydrocarbons

15 Clues: ion with a positive electrical charge. • ion ion comprised of two or more atoms. • an ion with a negative electrical charge. • natural mixture of polycyclic aromatic hydrocarbons • chemical compound containing two different elements. • Compound molecule that contains covalent chemical bonds. • a mathematical relationship or rule expressed in symbols. • ...

Chemistry Crossword 2022-11-17

Chemistry Crossword crossword puzzle
Across
  1. Natural mixture of polycyclic aromatic hydrocarbons
  2. Compound formed by ions bonding together due to electrostatic forces (differing electronegativity values).
  3. Reaction between triglycerides and either sodium hydroxide or potassium hydroxide to form a fatty acid salt called soap and glycerol.
  4. Chemical reaction in which a radical removes a proton from a molecule.
  5. Chemical species formed by two or more atoms that share chemical bonds such that they form one unit.
  6. A mathematical relationship or rule expressed in symbols.
  7. Molecule that contains covalent chemical bonds.
Down
  1. Molecules that contain two atoms that are chemically bonded
  2. Ion comprised of two or more atoms.
  3. Chemical compound containing two different elements.
  4. Chemical species formed when two or more atoms form a chemical bond.
  5. The devising or choosing of names for things, especially in a science or other discipline.
  6. Ion with a positive electrical charge.
  7. An ion with a negative electrical charge.
  8. A substance that cannot be subdivided using chemical means; identified by the number of protons in its atoms.

15 Clues: Ion comprised of two or more atoms. • Ion with a positive electrical charge. • An ion with a negative electrical charge. • Molecule that contains covalent chemical bonds. • Natural mixture of polycyclic aromatic hydrocarbons • Chemical compound containing two different elements. • A mathematical relationship or rule expressed in symbols. • ...

Difference Between Physical and Chemical Properties 2019-11-18

Difference Between Physical and Chemical Properties crossword puzzle
Across
  1. A ___ change is one of the signs of chemical change.
  2. A new ___ is one of the signs of chemical change.
  3. The solid that forms/appears when two clear liquids are combined.
  4. ___ formation is one of the signs of chemical change.
  5. A material created when one substance is dissolved in another. When we see this word it usually means a substance is dissolved in water.
  6. An “(l)” in a chemical or physical change equation means the matter is in its ___ phase.
  7. A material in its aqueous phase is dissolved in something else (usually ___).
  8. An “(aq)” in a chemical or physical change equation means the matter is in its ___ phase.
  9. An “(s)” in a chemical or physical change equation means the matter is in its ___ phase.
  10. Describes an object or material that allows all visible light to pass through.
  11. Describes a chemical reaction which gives-off heat to its surroundings (“feels” warm or hot to the touch).
  12. An “(g)” in a chemical or physical change equation means the matter is in its ___ phase.
Down
  1. A ___ property may only be observed by changing the chemical identity (chemical composition) of a substance.
  2. A ___ property is an aspect of matter that can be observed or measured without changing the chemical composition of the matter.
  3. Set of physical and/or chemical characteristics unique to a substance or material that distinguishes it from other substances or materials.
  4. A ___ change is one of the signs of chemical change.
  5. Describes an object or material that allows some visible light to pass through.
  6. Describes a chemical reaction which pulls-in heat from its surroundings (“feels” cool or cold hot to the touch).
  7. Describes an object or material that blocks visible light from passing through.
  8. The arrow symbol in a chemical or physical change equation means a ___ is occurring.
  9. One of the signs of chemical change.
  10. When a substance or material ___ in another it disappears.

22 Clues: One of the signs of chemical change. • A new ___ is one of the signs of chemical change. • A ___ change is one of the signs of chemical change. • A ___ change is one of the signs of chemical change. • ___ formation is one of the signs of chemical change. • When a substance or material ___ in another it disappears. • ...

Unit 6 Vocab 2022-03-22

Unit 6 Vocab crossword puzzle
Across
  1. a reaction in which one element is substituted for another element in a compound.
  2. reaction a process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form or a nuclear reaction.
  3. the process of burning something.
  4. the closing down or dismissal of an assembly, partnership, or official body.
Down
  1. in a chemical reaction mass is neither created nor destroyed
  2. a reaction in which the positive and negative ions of two ionic compounds exchange places to form two new compounds.
  3. the action or process of precipitating a substance from a solution.
  4. a substance that takes part in and undergoes change during a reaction.
  5. the construction of complex chemical compounds from simpler ones.
  6. Equation a representation of a chemical reaction using symbols of the elements to indicate the amount of substance, usually in moles, of each reactant and product.
  7. an article or substance that is manufactured or refined for sale.
  8. the state or process of rotting; decay.

12 Clues: the process of burning something. • the state or process of rotting; decay. • in a chemical reaction mass is neither created nor destroyed • the construction of complex chemical compounds from simpler ones. • an article or substance that is manufactured or refined for sale. • the action or process of precipitating a substance from a solution. • ...

Metabolism crossword 2022-02-16

Metabolism crossword crossword puzzle
Across
  1. in air
  2. a source
  3. arguing
  4. a argument about science
  5. type of food
  6. like atoms
  7. a process
  8. helps growth
  9. transports oxygen
Down
  1. a reaction
  2. a fact
  3. molecules building blocks of proteins carbondioxide molecule
  4. process of food
  5. chemical reaction through oxygen
  6. body system
  7. a reason
  8. molecule releases energy
  9. storage molecule

18 Clues: in air • a fact • arguing • a source • a reason • a process • a reaction • like atoms • body system • type of food • helps growth • process of food • storage molecule • transports oxygen • a argument about science • molecule releases energy • chemical reaction through oxygen • molecules building blocks of proteins carbondioxide molecule

Photosynthesis crossword 2024-01-28

Photosynthesis crossword crossword puzzle
Across
  1. The result of a chemical reaction
  2. This light provides energy
  3. Dioxide It is one of the reactants
  4. It brings the water to the leaves
  5. needed for a chemical reaction to take place
  6. Energy Something that goes into the leaves
Down
  1. Sugar made from a plant
  2. A chemical reaction that occurs
  3. It makes the leaves green
  4. It is another one of the reactants

10 Clues: Sugar made from a plant • It makes the leaves green • This light provides energy • A chemical reaction that occurs • The result of a chemical reaction • It brings the water to the leaves • Dioxide It is one of the reactants • It is another one of the reactants • needed for a chemical reaction to take place • Energy Something that goes into the leaves

Crossword 2021-03-27

Crossword crossword puzzle
Across
  1. Reactant that determines the amount of product.
  2. Product unused in a chemical reaction.
  3. Moles can be used to do this to a chemical formula.
  4. This form is the scientific notation of a number.
  5. Represents a compound.
Down
  1. Made during a chemical reaction.
  2. Mass of solute found in a given volume of solution.
  3. Found on the left-hand side of a chemical equation.
  4. A constant with a value of 6.02 x 1023 per mole.
  5. Represents an element.
  6. Unit for chemical amount.
  7. Adding more of this increases a solutions concentration.

12 Clues: Represents an element. • Represents a compound. • Unit for chemical amount. • Made during a chemical reaction. • Product unused in a chemical reaction. • Reactant that determines the amount of product. • A constant with a value of 6.02 x 1023 per mole. • This form is the scientific notation of a number. • Mass of solute found in a given volume of solution. • ...

Chapter 2 Crossword (Includes terms from Chapter 1) 2024-09-08

Chapter 2 Crossword (Includes terms from Chapter 1) crossword puzzle
Across
  1. Negatively charged particle.
  2. Energy needed to start a chemical reaction.
  3. Smallest unit of a compound.
  4. Large macromolecule formed from monosaccharides.
  5. Process in which a cell from two parents unite to create a new organism.
  6. Macromolecule containing carbon, hydrogen, oxygen, nitrogen, and phosphorus.
  7. A weak acid or base that helps prevent sharp, sudden changes in pH.
  8. Protein that acts as a biological catalyst.
  9. A large compound formed from combinations of many monomers.
  10. Monomer of nucleic acids. Composed of a 5-carbon sugar, nitrogenous base, and a phosphate group.
  11. Set of chemical reactions through which an organism builds up or breaks down materials as it carries out its life processes.
  12. Macromolecule made up of carbon and hydrogen. Fats, oils, and waxes.
  13. A substance combined of two or more elements.
  14. A substance that speeds up the rate of a chemical reaction.
  15. Basic unit of matter.
  16. An element or compound that is produced by a chemical reaction.
  17. A bond formed when electrons are transferred.
  18. Compound that produces hydroxide ions in solution.
  19. An atom that has a charge.
  20. An element or compound that enters into a chemical reaction.
Down
  1. Change over time.
  2. System used to indicate the concentration of hydrogen ions
  3. Process by which organisms maintain a stable internal environment.
  4. A signal in which an organism responds.
  5. Double-stranded nucleic that contains the sugar deoxyribose.
  6. Substance consisting of one type of atom.
  7. Macromolecule that is made up of carbon, hydrogen, oxygen, and nitrogen.
  8. Reactant of an enzyme-catalyzed reaction.
  9. Process where a single parent reproduces by itself.
  10. Compound made up of carbon, hydrogen, and oxygen. Major source of energy for living organisms.
  11. Single-stranded nucleic acid that contains the sugar ribose.
  12. Single sugar molecule
  13. Center of the atom that contains the neutrons and protons.
  14. Monomer of proteins. Compound of amino group, carboxyl group, and an R-group.
  15. Compound that forms hydrogen ions in a solution.
  16. A bond formed when electrons are shared.
  17. Small unit that can join together with other small units to form polymers.

37 Clues: Change over time. • Single sugar molecule • Basic unit of matter. • An atom that has a charge. • Negatively charged particle. • Smallest unit of a compound. • A signal in which an organism responds. • A bond formed when electrons are shared. • Substance consisting of one type of atom. • Reactant of an enzyme-catalyzed reaction. • Energy needed to start a chemical reaction. • ...

Chemical Equilibrium 2023-11-25

Chemical Equilibrium crossword puzzle
Across
  1. (a two words phrase)a reaction that is the opposite of the original reaction which causes the reactants to reform into the original material.
  2. (a three word phrase)it shows the relationship among the equilibrium constant,temperature,and standard enthalpy change of a reaction
  3. (a two word phrase)a principle states that if a system at equilibrium is disturbed,the equilibrium will shift to minimize the disturbing influence.
  4. the factor which can both shift equilibrium and change equilibrium constat
  5. a state of balance in a reversible chemical reaction when the rates of reaction in both directions are equal.
  6. (a two word phrase)Equilibria for which all substances are in the same phase.
  7. (a two word phrase)a chemical reaction that results in an equilibrium mixture of reactants and products and that can either react forward or backward
  8. (a two word phrase) A condition when all concentrations= 1M, partial pressure= 1, and under P= 1bar.
  9. once equilibrium achieved, the amount of each reactant and product remains_______.
  10. (a two words phrase)an equation that links the reaction rate with concentrations or pressures of reactants and constant parameters
  11. (a two word phrase)a numerical value found by substituting reactant and product concentrations or partial pressures at any point during a reaction into the equilibrium-constant expression.
Down
  1. (a two words phrase)the pressure exerted by a specific component in a mixture of gases.
  2. (a two word phrase)a numerical value of the ratio of concentrations or partial pressures of reactants and products when equilibrium is reached
  3. _____ are more favored at equilibrium when K>1.
  4. (a three word phrase)its change of a reaction determines whether the reaction is spontaneous or not
  5. the equilibrium-constant in one reaction is the ______ of the one in its reverse reaction.
  6. the concentration of which as well as liquid is not included in equilibrium expression
  7. if ΔG is negative, the forward reaction is ____
  8. (a two word phrase)Equilibria for which substances are in two or more phases.
  9. _____ are more favored at equilibrium when K<1.

20 Clues: _____ are more favored at equilibrium when K>1. • if ΔG is negative, the forward reaction is ____ • _____ are more favored at equilibrium when K<1. • the factor which can both shift equilibrium and change equilibrium constat • (a two word phrase)Equilibria for which all substances are in the same phase. • ...

Vocab bingo 2025-01-31

Vocab bingo crossword puzzle
Across
  1. the liquid phase to the gas phase
  2. something by making it simpler or easier to see product: an ending substance that is made during a chemical
  3. able to cause damage
  4. the relative size of things
  5. something that can be observed about a substance,
  6. reaction: a process in which atoms rearrange to form
  7. the tiny pieces that all matter—all the stuff in the
  8. a starting substance that is part of a chemical reaction
  9. point: the temperature at which a substance changes
Down
  1. an object, diagram, or computer program that helps us
  2. to change the order or position of something
  3. an ending substance that is made during a chemical
  4. groups of atoms
  5. substances
  6. something that is made of all the same atoms
  7. the solid phase to the liquid phase
  8. point: the temperature at which a substance changes
  9. as color, smell, or boiling point
  10. made of

19 Clues: made of • substances • groups of atoms • able to cause damage • the relative size of things • the liquid phase to the gas phase • as color, smell, or boiling point • the solid phase to the liquid phase • to change the order or position of something • something that is made of all the same atoms • something that can be observed about a substance, • ...

Chem 2021-11-08

Chem crossword puzzle
Across
  1. a concise way of expressing information symbolically
  2. a measure of the number of moles of a product formed in relation to the reactant consumed
  3. the process of transforming a dissolved substance into an insoluble solid
  4. reaction in which the conversion of reactants to products and the conversion of products to reactants occur simultaneously
Down
  1. a chemical reaction using the names of the substances involved.
  2. ingredients of a chemical reaction
  3. A numerical measure of a physical or chemical property that is constant for a system under specified conditions
  4. process with an increase in the enthalpy H of the system
  5. species formed by a chemical reaction
  6. a reaction or process accompanied by the release of heat.

10 Clues: ingredients of a chemical reaction • species formed by a chemical reaction • a concise way of expressing information symbolically • process with an increase in the enthalpy H of the system • a reaction or process accompanied by the release of heat. • a chemical reaction using the names of the substances involved. • ...

Basic Chemistry 2024-09-13

Basic Chemistry crossword puzzle
Across
  1. A radioactive isotope that emits radiation during decay (p. 28).
  2. A reaction that breaks chemical bonds by adding water (p. 38).
  3. A space region around the nucleus where electrons are likely to be found (p. 26).
  4. Reaction A reaction where a compound breaks down into simpler substances (p. 36).
  5. Energy Energy of motion (p. 24).
  6. Bond A bond is formed by sharing electrons between atoms (p. 32).
  7. A positively charged particle in the nucleus (p. 25).
  8. The substance that dissolves the solute in a solution (p. 29).
  9. A negatively charged particle outside the nucleus (p. 25).
  10. Reaction A reaction that releases energy (p. 37).
  11. The smallest unit of a compound with its properties (p. 28).
  12. A homogeneous mixture of substances (p. 29).
  13. Number The number of protons and neutrons in an atom’s nucleus (p. 27).
  14. The capacity to do work or cause change (p. 24).
  15. A substance that cannot be chemically broken down further (p. 25).
  16. The amount of a substance in a given volume (p. 37).
  17. An element that tends to lose electrons and form positive ions (p. 34).
  18. A negatively charged ion (p. 32).
  19. Physical combinations of substances not chemically bonded (p. 29).
  20. A positively charged ion (p. 32).
  21. Table A chart of elements arranged by atomic number, showing repeating properties (p. 25).
  22. A substance that reduces hydrogen ion concentration (p. 39).
  23. Energy Stored energy (p. 24).
  24. A substance that increases hydrogen ion concentration (p. 39).
Down
  1. Bond The force holding atoms together in molecules or compounds (p. 31).
  2. A substance that speeds up a reaction without being consumed (p. 38).
  3. The smallest unit of matter retaining element properties (p. 25).
  4. A mixture of large particles that settle out over time (p. 30).
  5. A reaction where a compound breaks into simpler substances (p. 36).
  6. The loss of electrons from a substance (p. 36).
  7. An atom’s tendency to attract electrons in a bond (p. 34).
  8. A substance formed from two or more chemically bonded elements (p. 28).
  9. A solution that resists pH changes (p. 41).
  10. Reaction A reaction where parts of two reactants are exchanged to form new products (p. 36).
  11. Bond A weak bond between a proton in one molecule and an electronegative atom in another (p. 34).
  12. Energy The minimum energy required to start a reaction (p. 52).
  13. Shell The outermost electron shell of an atom (p. 31).
  14. Reaction A reaction that absorbs energy (p. 37).
  15. A biological catalyst that speeds up reactions (p. 51).
  16. Reaction A process that transforms one set of chemicals into another (p. 35).
  17. Substances that change in a chemical reaction (p. 35).
  18. Reaction A reaction where two or more substances form a new compound (p. 36).
  19. An atom or molecule with an electric charge due to lost or gained electrons (p. 32).
  20. Number The number of protons in an atom's nucleus (p. 27).
  21. Energy Energy that travels in waves (e.g., light) (p. 24).
  22. Atoms of the same element with different neutron numbers (p. 27).
  23. Anything with mass and volume (p. 24).
  24. Substances formed by a chemical reaction (p. 35).
  25. A mixture with small particles that stay dispersed and don’t settle out (p. 30).
  26. A measure of a solution's acidity or basicity (p. 40).

50 Clues: Energy Stored energy (p. 24). • Energy Energy of motion (p. 24). • A negatively charged ion (p. 32). • A positively charged ion (p. 32). • Anything with mass and volume (p. 24). • A solution that resists pH changes (p. 41). • A homogeneous mixture of substances (p. 29). • The loss of electrons from a substance (p. 36). • The capacity to do work or cause change (p. 24). • ...

Crossword 2021-03-27

Crossword crossword puzzle
Across
  1. Reactant that determines the amount of product.
  2. Product unused in a chemical reaction.
  3. Moles can be used to do this to a chemical formula.
  4. This form is the scientific notation of a number.
  5. Represents a compound.
Down
  1. Made during a chemical reaction.
  2. Mass of solute found in a given volume of solution.
  3. Found on the left-hand side of a chemical equation.
  4. A constant with a value of 6.02 x 1023 per mole.
  5. Represents an element.
  6. Unit for chemical amount.
  7. Adding more of this increases a solutions concentration.

12 Clues: Represents an element. • Represents a compound. • Unit for chemical amount. • Made during a chemical reaction. • Product unused in a chemical reaction. • Reactant that determines the amount of product. • A constant with a value of 6.02 x 1023 per mole. • This form is the scientific notation of a number. • Mass of solute found in a given volume of solution. • ...

Unit 2 Biology Vocab 2022-09-28

Unit 2 Biology Vocab crossword puzzle
Across
  1. Using light energy to create glucose
  2. First step of photosynthesis
  3. In chloroplasts and helps absorb light
  4. Second step of respiration
  5. Type of organism that can produce its own food
  6. Process of breaking down glucose
  7. Molecule with two phosphates
  8. Anything that has mass
  9. Second step of respiration
  10. Substance created during a chemical reaction
Down
  1. Second step of photosynthesis
  2. Nutrient used in proteins
  3. Site of photosynthesis
  4. First step of respiration
  5. Surrounds Earth
  6. Organism where the second and third steps of respiration occur
  7. Used in nucleic acid
  8. The substance at the beginning of a chemical reaction
  9. Oxygen is present

19 Clues: Surrounds Earth • Oxygen is present • Used in nucleic acid • Site of photosynthesis • Anything that has mass • Nutrient used in proteins • First step of respiration • Second step of respiration • Second step of respiration • First step of photosynthesis • Molecule with two phosphates • Second step of photosynthesis • Process of breaking down glucose • ...

Chapter 7 section 1&2 2022-10-31

Chapter 7 section 1&2 crossword puzzle
Across
  1. the heat change during the course of a reaction (also known as heat of reaction): can be either exothermic (a negative value) or endothermic (a positive value)
  2. change a process or chemical reaction which takes in heat from the surroundings; ΔH has a positive value
  3. a change in the physical state of a substance or the physical nature of a situation that does not involve a change in the chemical substance(s) present
  4. a diagram that shows the energy levels of the reactants and products in a chemical reaction and shows whether the reaction is exothermic or endothermic
Down
  1. the energy required to start a chemical reaction – for a reaction to take place the colliding particles must possess at least this amount of energy
  2. the energy required to break a particular type of covalent bond
  3. change a process or chemical reaction in which heat energy is produced and released to the surroundings; ΔH has a negative value
  4. the thermal (heat) content of a system
  5. a change in which a new substance is formed

9 Clues: the thermal (heat) content of a system • a change in which a new substance is formed • the energy required to break a particular type of covalent bond • change a process or chemical reaction which takes in heat from the surroundings; ΔH has a positive value • ...

Proteins 2022-04-29

Proteins crossword puzzle
Across
  1. The protein that speeds up chemical reactions and are known as biological catalysts.
  2. The substances that the enzyme works upon in the reaction.
  3. When the enzyme changes shape that results in them no longer binding to the substrate and it will affect the rate of the reaction.
  4. The substance produced at the end of the reaction.
  5. Proteins that are chemical messengers.
  6. Proteins that fight back infections.
  7. Part of the enzyme on where the substrate binds to in a reaction.
Down
  1. This is made in the Ribosome.
  2. Where the reaction breaks down larger substrates into smaller products.
  3. Where the reaction builds up smaller substrates into larger products.
  4. Where the enzyme is most active in a reaction.
  5. The building blocks that make proteins.

12 Clues: This is made in the Ribosome. • Proteins that fight back infections. • Proteins that are chemical messengers. • The building blocks that make proteins. • Where the enzyme is most active in a reaction. • The substance produced at the end of the reaction. • The substances that the enzyme works upon in the reaction. • ...

Conservation of Mass 2022-10-19

Conservation of Mass crossword puzzle
Across
  1. when atoms form they form these.
  2. substances result from a chemical reaction
  3. have a fixed volume but not a fixed shape
  4. substances undergoing change in a chemical reaction
  5. does not have a fixed shape or volume
  6. the amount of matter in an object or substance.
  7. of Conservation of Mass, the total mass of the reactants will always equal the total mass of the products.
Down
  1. anything that takes up space and has mass
  2. a substance with a fixed shape and volume
  3. Change, a change in the physical properties of a substance
  4. the building blocks of matter
  5. Change, when a chemical reaction takes place and at least one new product is made

12 Clues: the building blocks of matter • when atoms form they form these. • does not have a fixed shape or volume • anything that takes up space and has mass • a substance with a fixed shape and volume • have a fixed volume but not a fixed shape • substances result from a chemical reaction • the amount of matter in an object or substance. • ...

Conservation of Mass 2022-10-19

Conservation of Mass crossword puzzle
Across
  1. anything that takes up space and has mass
  2. When a chemical reaction takes place and at least one new product is made, not reversible
  3. A change in the physical properties of a substance, is reversible
  4. does not have a fixed shape or volume
  5. when atoms form they form these.
  6. the amount of matter in an object or substance.
  7. substances result from a chemical reaction
Down
  1. the building blocks of matter
  2. a substance with a fixed shape and volume
  3. substances undergoing change in a chemical reaction
  4. The Law of __________ of Mass says that the total mass of the reactants will always equal the total mass of the products.
  5. have a fixed volume but not a fixed shape

12 Clues: the building blocks of matter • when atoms form they form these. • does not have a fixed shape or volume • a substance with a fixed shape and volume • anything that takes up space and has mass • have a fixed volume but not a fixed shape • substances result from a chemical reaction • the amount of matter in an object or substance. • ...

Kate Smola-chapter 12 2020-02-27

Kate Smola-chapter 12 crossword puzzle
Across
  1. of mass conservation No atoms are gained or lost during any reaction.
  2. what comes after a chemical change
  3. can indicate a chemical change
  4. reaction where there is a net absorption of energy.
  5. Most reactions go faster at what temperature?
Down
  1. what impacts the reaction process
  2. is needed to break bonds
  3. reaction where there is a net release of energy
  4. Increasing the concentration increases the number of
  5. not all collisions lead to

10 Clues: is needed to break bonds • not all collisions lead to • can indicate a chemical change • what impacts the reaction process • what comes after a chemical change • Most reactions go faster at what temperature? • reaction where there is a net release of energy • reaction where there is a net absorption of energy. • Increasing the concentration increases the number of • ...

Photosynthesis 2021-04-20

Photosynthesis crossword puzzle
Across
  1. What catches the sunlight in the plant
  2. The sugar that is created in photosynthesis
  3. The type of reaction that occurs during photosynthesis
  4. Start the chemical reaction
  5. Comes from the sun
Down
  1. The organelle that houses chlorphyll
  2. Carries glucose for the plant
  3. What is made in the chemical reaction
  4. Carries water up the stem for distribution
  5. Lets gases into the leaves

10 Clues: Comes from the sun • Lets gases into the leaves • Start the chemical reaction • Carries glucose for the plant • The organelle that houses chlorphyll • What is made in the chemical reaction • What catches the sunlight in the plant • Carries water up the stem for distribution • The sugar that is created in photosynthesis • The type of reaction that occurs during photosynthesis

Topic 17 SAQ 2021-01-19

Topic 17 SAQ crossword puzzle
Across
  1. Means does not dissolve
  2. Diluting an acid moves the pH closer to this
  3. The kind of change which does not involve the formation of a new substance
  4. Substance spread on fields to neutralise acidic soil
  5. Acidic solution you put on your chips
  6. A chemical which speeds up a chemical reaction but is not used up
  7. The change of state from liquid to gas
  8. Alkaline substances turn pH paper this colour
  9. Kind of reaction which increases the pH of an acid towards 7
Down
  1. Salt formed by reacting potassium hydroxide and hydrochloric acid (9,8)
  2. A biological catalyst
  3. Gas which burns with a pop
  4. The change of state from solid to liquid
  5. Always made in a chemical reaction (3,9)

14 Clues: A biological catalyst • Means does not dissolve • Gas which burns with a pop • Acidic solution you put on your chips • The change of state from liquid to gas • The change of state from solid to liquid • Always made in a chemical reaction (3,9) • Diluting an acid moves the pH closer to this • Alkaline substances turn pH paper this colour • ...

Photosynthesis 2024-11-29

Photosynthesis crossword puzzle
Across
  1. cell that helps to form the stoma in a leaf, to allow gases in and out
  2. particles spread out from a high concentration to a low concentration
  3. hole in leaf, formed between two guard cells
  4. substance made from elements
  5. release of energy in the presence of oxygen
  6. green part of a cell that contains chlorophyll
  7. plant cell that is adapted to form hollow tubes to transport water
Down
  1. sugar made in photosynthesis
  2. a chemical reaction in which carbon dioxide and water is converted to glucose an oxygen
  3. substance that changes in a chemical reaction to form products
  4. the property of dissolving in water
  5. green pigment that absorbs light
  6. substance made during chemical reaction
  7. large, insoluble carbohydrate made by plants to store energy

14 Clues: sugar made in photosynthesis • substance made from elements • green pigment that absorbs light • the property of dissolving in water • substance made during chemical reaction • release of energy in the presence of oxygen • hole in leaf, formed between two guard cells • green part of a cell that contains chlorophyll • ...

Elements, Compounds and Mixtures by Noushi 2015-05-14

Elements, Compounds and Mixtures by Noushi crossword puzzle
Across
  1. These are the substances formed after or due to the chemical reaction.
  2. These are a group of atoms of different elements. They can join together or be bonded by a chemical reaction.
  3. This is a good method for separating dissolved substances.
  4. The table of elements
  5. Water that collects in the form of droplets when the humid air is in contact with it.
  6. This reacts with oxygen in the air to produce non-metal oxides.
  7. This is the change of state when liquid becomes solid. Example: this occurs when water turns into ice.
  8. This is the movement of gas or solute molecules from a region of higher concentration to a region of lower concentration until they are equal.
  9. A ____________ is when two liquids react to make a solid.
  10. These contain molecules of the same type.
  11. This is a change of state where solid turns into liquid state. Example: this occurs when ice changes to water.
  12. This is the amount of solid that can dissolve in a solvent till it becomes saturated or concentrated.
Down
  1. _____________ is another name for burning.
  2. This is the reaction between iron and sulphur.
  3. ____________ is made from different substances that are not chemically joined.
  4. _______________ is a method for separating a liquid from a mixture of two or more liquids.
  5. What metal has the highest reaction in the reactivity series?
  6. These are substances that undergo change in a chemical reaction.
  7. This is the change of state from liquid to gas or vapour.
  8. Least reactive metal in the Reactivity series.

20 Clues: The table of elements • These contain molecules of the same type. • _____________ is another name for burning. • This is the reaction between iron and sulphur. • Least reactive metal in the Reactivity series. • A ____________ is when two liquids react to make a solid. • This is the change of state from liquid to gas or vapour. • ...

Terms 2016-10-06

Terms crossword puzzle
Across
  1. Atoms with the same number of protons but different number of neutrons
  2. the ratio of the mass of an object to its volume
  3. part of the experiment that is not being tested and is used for comparison
  4. chemical reaction where a metal is exposed to a nonmetal
  5. substance consisting of two or more substances mixed together (not in fixed proportions and not with chemical bonding)
  6. positively charged subatomic particles found on the nucleus
  7. something you assume you know
  8. subatomic particle that is not charged and located in the nucleus of the atom
  9. series of nuclear fission
  10. mixture than looks the same throughout
  11. occurs in nature, humans use for enjoyment
  12. chemical reaction, when something is exposed to oxygen and changes
  13. a change in the form of a substance but not its chemical composition
  14. where the electrons are found in a nucleus
  15. A substance formed by the combination of elements in fixed proportions.
  16. resistant to flow
  17. the center of an atom where the protons and neutrons are located
  18. small nuclei combine to form a large one, occurs naturally on the sun
  19. nature can regenerate as fast as the resources are used by humans.
  20. A homogeneous mixture
Down
  1. process that an unstable isotopes emit energy in the form of radiation.
  2. atom that has a positive or negative charge
  3. negative charged particles, part of an atom
  4. the smallest particle of an element that retains its identity in a chemical reaction
  5. variable changed by the scientist; what the investigator is testing, found on x- axis
  6. a substance capable of dissolving other substances
  7. the energy in the nucleus of an atom
  8. mixture that you can distinguish the parts, uneven throughout
  9. matter that has the same composition and properties throughout, element or compound
  10. deposits of organic materials, formed from decayed plants and animals that have been converted to useful products
  11. a variable that is not changed
  12. resources that cannot regenerate within the time period that they are consumed.
  13. a chemical reaction that creates heat and light
  14. a series of steps used by scientists/people to help find solutions to problems and/or questions
  15. type of change where a substance changes into a new substance
  16. A nuclear reaction in which a large nuclei breaks into smaller ones. This process occurs in nuclear power plants and atomic bombs.

36 Clues: resistant to flow • A homogeneous mixture • series of nuclear fission • something you assume you know • a variable that is not changed • the energy in the nucleus of an atom • mixture than looks the same throughout • occurs in nature, humans use for enjoyment • where the electrons are found in a nucleus • atom that has a positive or negative charge • ...

Difference Between Physical and Chemical Properties 2019-11-18

Difference Between Physical and Chemical Properties crossword puzzle
Across
  1. A ___ property may only be observed by changing the chemical identity (chemical composition) of a substance.
  2. An “(aq)” in a chemical or physical change equation means the matter is in its ___ phase.
  3. The arrow symbol in a chemical or physical change equation means a ___ is occurring.
  4. A ___ change is one of the signs of chemical change.
  5. Set of physical and/or chemical characteristics unique to a substance or material that distinguishes it from other substances or materials.
  6. A new ___ is one of the signs of chemical change.
  7. A material created when one substance is dissolved in another. When we see this word it usually means a substance is dissolved in water.
  8. ___ formation is one of the signs of chemical change.
  9. Describes an object or material that blocks visible light from passing through.
  10. A material in its aqueous phase is dissolved in something else (usually ___).
  11. The solid that forms/appears when two clear liquids are combined.
  12. Describes a chemical reaction which pulls-in heat from its surroundings (“feels” cool or cold hot to the touch).
  13. Describes an object or material that allows some visible light to pass through.
Down
  1. An “(s)” in a chemical or physical change equation means the matter is in its ___ phase.
  2. Describes an object or material that allows all visible light to pass through.
  3. Describes a chemical reaction which gives-off heat to its surroundings (“feels” warm or hot to the touch).
  4. A ___ property is an aspect of matter that can be observed or measured without changing the chemical composition of the matter.
  5. One of the signs of chemical change.
  6. When a substance or material ___ in another it disappears.
  7. A ___ change is one of the signs of chemical change.
  8. A “(g)” in a chemical or physical change equation means the matter is in its ___ phase.
  9. An “(l)” in a chemical or physical change equation means the matter is in its ___ phase.

22 Clues: One of the signs of chemical change. • A new ___ is one of the signs of chemical change. • A ___ change is one of the signs of chemical change. • A ___ change is one of the signs of chemical change. • ___ formation is one of the signs of chemical change. • When a substance or material ___ in another it disappears. • ...

Tanya Jauregui 2017-02-27

Tanya Jauregui crossword puzzle
Across
  1. chemical decomposition produced by passing an electric current through a liquid or solution containing ions.
  2. a type of chemical reaction where two compounds react, and the positive ions (cation) and the negative ions (anion) of the two reactants switch places, forming two new compounds or products
  3. of reaction where two reactants exchange ions to form two new compounds
  4. a multiplier or factor that measures some property.
  5. the process of burning something.
  6. the process or result of oxidizing or being oxidized.
Down
  1. the combination of ideas to form a theory or system.
  2. a substance that takes part in and undergoes change during a reaction.
  3. a type of chemical reaction where an element reacts with a compound and takes the place of another element in that compound.
  4. a compound or substance that has been purified or prepared, especially artificially.
  5. the state or process of rotting; decay.
  6. a thing or person that is the result of an action or process.
  7. consisting of two atoms
  8. the action or fact of making a specified thing smaller or less in amount, degree, or size.

14 Clues: consisting of two atoms • the process of burning something. • the state or process of rotting; decay. • a multiplier or factor that measures some property. • the combination of ideas to form a theory or system. • the process or result of oxidizing or being oxidized. • a thing or person that is the result of an action or process. • ...

Chemistry Crossword 2015-11-19

Chemistry Crossword crossword puzzle
Across
  1. has lustre, malleable, conductive, and ductile
  2. change from a gas to a solid
  3. a cloudy mixture that can be separated
  4. heat is absorbed during a chemical reaction
  5. not as reactive as alkali but are still very reactive
  6. an experiment where all the elements created in the reaction are counted for
  7. most stable and nonreactive elements
  8. compounds that only include non-metals
  9. designed to keep protect those who may encounter these elements at work
  10. compounds that include at least one metal
  11. most reactive non-metals
Down
  1. when oxygen reacts with a metal and the metal begins to decompose
  2. most reactive metals
  3. invented the billiard ball method for the atom
  4. Invented the raisin bun theory for the atom
  5. change from a liquid to a gas
  6. a type of mixture where you can see the different substances that make up the item (a cookie)
  7. developed the theory that there was electron shells around a nucleus
  8. heat is released during a chemical reaction
  9. an experiment where one or more elements may escape in a chemical reaction
  10. change in the physical appearance or state that does not change composition
  11. believed the atom resembled a planetary model
  12. a mixture that appears to be one substance
  13. change from a solid to a liquid
  14. a cloudy mixture that can not be separated

25 Clues: most reactive metals • most reactive non-metals • change from a gas to a solid • change from a liquid to a gas • change from a solid to a liquid • most stable and nonreactive elements • a cloudy mixture that can be separated • compounds that only include non-metals • compounds that include at least one metal • a mixture that appears to be one substance • ...

Reactivity 2025-12-09

Reactivity crossword puzzle
Across
  1. The process of turning into crystals.
  2. A salt that is made from hydrochloric acid.
  3. A salt that is made from sulfuric acid.
  4. A chemical reaction in which energy is transferred to the environment.
  5. A salt that is made from carbonic acid.
  6. In a liquid state
Down
  1. A salt that is made from citric acid.
  2. Rocks or minerals that contain a metal compound.
  3. A compound formed when a metal reacts with an acid.
  4. A chemical reaction in which energy is transferred from the environment.
  5. A reaction in which a more reactive metal "pushes out" a less reactive one from a compound.
  6. How quickly or slowly a chemical reacts.
  7. A salt that is made from nitric acid.
  8. Metal oxides are known as _______________.

14 Clues: In a liquid state • A salt that is made from citric acid. • The process of turning into crystals. • A salt that is made from nitric acid. • A salt that is made from sulfuric acid. • A salt that is made from carbonic acid. • How quickly or slowly a chemical reacts. • Metal oxides are known as _______________. • A salt that is made from hydrochloric acid. • ...

Science, Physics and Math Crossword 9th Grade 2025-09-30

Science, Physics and Math Crossword 9th Grade crossword puzzle
Across
  1. - Two or more atoms bonded together.
  2. - Smallest unit of an element.
  3. - Substance producing hydroxide ions in solution.
  4. - Positively charged particle in nucleus.
  5. - Neutral particle in nucleus.
  6. - Central part of an atom.
  7. - Mixture with uniform composition.
  8. - Negatively charged particle orbiting nucleus.
  9. - Substance producing hydrogen ions in solution.
  10. - Principle that matter is not created or destroyed.
  11. - Atom of same element with different neutrons.
  12. - Substance speeding up reaction.
  13. table - Arrangement of elements by atomic number.
  14. - Substance that dissolves the solute.
  15. - Electrons in outer shell of atom.
  16. - Bond formed by transfer of electrons.
  17. number - Number of protons in an atom.
  18. - Reaction releasing energy.
  19. - Atom with a positive or negative charge.
  20. - Negatively charged ion.
  21. - Force holding atoms together.
  22. - Bond formed by sharing electrons.
Down
  1. - Substance dissolved in a solvent.
  2. - Mixture with non-uniform composition.
  3. - Substance formed from two or more elements.
  4. - Positively charged ion.
  5. - Reaction absorbing energy.
  6. - Substance present before reaction.
  7. - Vertical column in periodic table.
  8. - Number showing atom count in formula.
  9. equation - Representation of a chemical reaction.
  10. - Horizontal row in periodic table.
  11. - Number before formula showing molecules.
  12. mass - Sum of protons and neutrons.
  13. - Substance formed after reaction.
  14. - Pure substance of one type of atom.
  15. - Evenly mixed homogeneous mixture.
  16. - Combination of substances not chemically bonded.
  17. - Substance changing color with pH.
  18. - Bond between metal atoms.

40 Clues: - Positively charged ion. • - Negatively charged ion. • - Central part of an atom. • - Bond between metal atoms. • - Reaction absorbing energy. • - Reaction releasing energy. • - Smallest unit of an element. • - Neutral particle in nucleus. • - Force holding atoms together. • - Substance speeding up reaction. • - Substance formed after reaction. • ...

Forces 2023-12-05

Forces crossword puzzle
Across
  1. ivfeoowbowoiwbowbf
  2. when two forces are the same strength but act in opposite direction
  3. ufgegghigwhoiwhuw
  4. buwgfwvfuwlfblfbwlubwufiwfiwh
  5. thigbggbegwlgnwlnglwng
  6. the ability to do work, which is the ability
  7. fwbwbgbwlbwkfjeb
  8. hfwifiyegfougwoufg
  9. hfoehbiwbifbifhqihfi
Down
  1. ibkvhvhivfrr,.
  2. energy including atoms and molecules contained in the bonds of chemical compounds
  3. ihihgvwnwnkws
  4. hwifuwbfkwfuwbufbwf
  5. ehgpiehgoeighoihegh
  6. ugwufekfvuwvfu
  7. fwipbwibieblie
  8. fttdfigigihyy
  9. fuiwgfiwgfuwgfowgfuw
  10. iowbfvfkuewoufgwuf
  11. uwfbofnfownsvfjwlnv

20 Clues: ihihgvwnwnkws • fttdfigigihyy • ibkvhvhivfrr,. • ugwufekfvuwvfu • fwipbwibieblie • fwbwbgbwlbwkfjeb • ufgegghigwhoiwhuw • ivfeoowbowoiwbowbf • hfwifiyegfougwoufg • iowbfvfkuewoufgwuf • hwifuwbfkwfuwbufbwf • ehgpiehgoeighoihegh • uwfbofnfownsvfjwlnv • fuiwgfiwgfuwgfowgfuw • hfoehbiwbifbifhqihfi • thigbggbegwlgnwlnglwng • buwgfwvfuwlfblfbwlubwufiwfiwh • the ability to do work, which is the ability • ...

Chemistry B Rubric Work 2021-05-20

Chemistry B Rubric Work crossword puzzle
Across
  1. the amount of a substance in a certain volume of solution
  2. accompanied by the release of heat
  3. a molecule or other entity that can donate a proton or accept an electron pair in reactions
  4. the ionized or ionizable constituents of a living cell, blood, or other organic matter
  5. a law stating that the volume of an ideal gas at constant pressure is directly proportional to the absolute temperature
  6. is the process by which an unstable atomic nucleus loses energy by radiation
  7. Make a liquid thinner or weaker by adding water or another solvent to it
  8. not forming a homogeneous mixture when added together
  9. gamma rays
  10. the splitting of a molecule into smaller molecules, atoms, or ions, especially by a reversible process
  11. a subatomic particle with the same mass as an electron and a numerically equal but positive charge
  12. the quantity of a product that is obtained from a chemical reaction
Down
  1. any chemical solution which has a precisely known concentration
  2. the process of measuring the amount of heat released or absorbed during a chemical reaction
  3. the transition state of a reaction resembles either the reactants or the products, to whichever it is closer in energy.
  4. the quantity of a product obtained from the complete conversion of the limiting reactant in a chemical reaction
  5. Accompanied by or requiring the absorption of heat
  6. a law stating that the pressure of a given mass of an ideal gas is inversely proportional to its volume at a constant temperature
  7. present in a high proportion relative to other substances; having had water or other diluting agent removed or reduced
  8. a nuclear reaction in which a heavy nucleus splits spontaneously or on impact with another particle, with the release of energy
  9. the ion H3O+, consisting of a protonated water molecule and present in all aqueous acids
  10. The relationship between the relative quantities of substances taking part in a reaction or forming a compound, typically a ratio of whole integers
  11. a radioactive isotope
  12. The change of an alkaline solution to neutral by titration of an acid solution

24 Clues: gamma rays • a radioactive isotope • accompanied by the release of heat • Accompanied by or requiring the absorption of heat • not forming a homogeneous mixture when added together • the amount of a substance in a certain volume of solution • any chemical solution which has a precisely known concentration • ...

Thermochemistry Intro. 2025-12-17

Thermochemistry Intro. crossword puzzle
Across
  1. Everything outside of the system is called the _______________.
  2. Materials with a ______ specific heat capacity will change temperature more quickly.
  3. If a reaction releases heat, q is _______________.
  4. In an exothermic chemical equation, "Heat" or amount of kJ is written on this side of the arrow.
  5. The unit of measurement for energy, abbreviated as "J."
  6. If a reaction absorbs heat, it feels ___________.
  7. Once the metal and water reach the same temperature, they have reached thermal ______.
  8. Temperature is the measurement of average _______________.
  9. The amount of energy required to raise the temperature of 1 gram of a substance by 1°C.
  10. This law states that energy cannot be created or destroyed, only transferred.
  11. If a reaction absorbs heat, q is ________________.
  12. A reaction that absorbs heat from its surroundings is called ______________.
  13. The metric unit typically used to measure temperature in this unit.
Down
  1. The heat released by a system is equal to the heat ______ by its surroundings.
  2. Between wood (Cp = 2.03) and aluminum (Cp = 0.92), the material that heats up faster in the sun.
  3. The amount of energy transferred to or from a substance when changing temperatures.
  4. An insulated device used to measure the absorption or release of heat in a chemical or physical process.
  5. In the calorimetry equation -q(sys) = q(surr), the negative sign indicates that energy is being ______.
  6. The specific part of the universe being studied in a reaction, usually the chemicals themselves.
  7. The science of measuring the heat flow into or out of a system for chemical and physical processes.
  8. To ensure the temperature is uniform throughout the water in a calorimeter, you must do this to the mixture.
  9. In an endothermic chemical equation, "Heat" or amount of kJ is written on this side of the arrow.
  10. In a calorimetry experiment, the "system" is typically the ______, while the water is the "surroundings".
  11. Of the following metals—Antimony, Aluminum, Chromium, and Gold—the one with the lowest specific heat. (see table in U6N1 notes)
  12. If a reaction releases heat, it feels ___________.
  13. A unit of energy and heat is ___________.
  14. Materials with a ______ specific heat capacity will change temperature more slowly.

27 Clues: A unit of energy and heat is ___________. • If a reaction absorbs heat, it feels ___________. • If a reaction releases heat, q is _______________. • If a reaction releases heat, it feels ___________. • If a reaction absorbs heat, q is ________________. • The unit of measurement for energy, abbreviated as "J." • ...

Thermochemistry: Energy, Systems, and Enthalpy Changes 2014-06-11

Thermochemistry: Energy, Systems, and Enthalpy Changes crossword puzzle
Across
  1. The type of energy associated with the random motion of atoms and molecules.
  2. Formed during chemical reactions as reagents are consumed.
  3. The amount of heat per unit mass required to raise the temperature by one degree Celsius.
  4. The type of energy stored within the bonds of chemical substances.
  5. The enthalpy it takes for 1 mole of a substance to react fully.
  6. A system that may exchange energy but not matter with the surroundings.
  7. A graph or diagram used to depict energy changes in a chemical reaction.
  8. A substance that takes part in and undergoes change during a reaction.
  9. we assume that dilute aqueous solutions have the same density as what substance.
  10. The study of energy changes that accompany physical, chemical or nuclear changes in matter.
  11. The technological process of measuring energy changes in a chemical system.
  12. When a reaction can be in a forward or backward reaction it is considered what?
  13. An ideal system in which neither matter nor energy can move in or out.
  14. Represents the maximum total potential energy point in a change.
  15. The type of energy stored within the collection of neutrons and protons in the atom.
  16. What is 22.4Lpermol at STP
  17. The mass of a given substance (chemical element or chemical compound) divided by its amount of substance in kg/mol.
  18. Hand warmers rely on _____?
  19. When the change in enthalpy is positive energy is _____?
Down
  1. When the change in enthalpy is negative energy is _____?
  2. "the heat evolved or absorbed in a chemical process is the same whether the process takes place in one or in several steps".
  3. In Hess's Law question's, equations can be _____ or multiplied.
  4. The change of enthalpy from the formation of 1 mole of the compound from its constituent elements, with all substances in their standard states at 1 atmosphere (1 atm or 101.3 kPa).
  5. When the electronic structure of molecules is changed.
  6. We assume that heat absorbed by the container is_____?
  7. A device in which fuel is burned inside an insulated container to measure heat transfer during chemical reactions.
  8. The capacity to do work.
  9. Use these to convert moles in a chemical equation.
  10. Energy available by virtue of an object's position.
  11. This is a measure of the average kinetic energy in a given system.
  12. When the arrangement of protons and neutrons in the nucleus changes.
  13. Any process in which heat has to be supplied to the system from the surroundings.
  14. The type of energy associated with the flow of electrons.
  15. The energy from the system released to or absorbed from surroundings.
  16. A system that may exchange both mass and energy.
  17. All matter around a system that is capable of absorbing or releasing thermal energy.
  18. The energy hump that a reaction must get over before new bonds can form.
  19. Any process that gives off heat, or an output of energy.
  20. Whose number is this, 6.0x10^23?
  21. A measure of the transfer of thermal energy from on system to another.

40 Clues: The capacity to do work. • What is 22.4Lpermol at STP • Hand warmers rely on _____? • Whose number is this, 6.0x10^23? • A system that may exchange both mass and energy. • Use these to convert moles in a chemical equation. • Energy available by virtue of an object's position. • When the electronic structure of molecules is changed. • ...

Chemistry 2013-05-06

Chemistry crossword puzzle
Across
  1. of Vaporation The Heat (or Enthalpy) of Vaporization is the quantity of heat that must be absorbed if a certain quantity of liquid is vaporized at a constant temperature.
  2. Characteristics Any of a class of organic compounds corresponding to the inorganic salts and formed from an organic acid and an alcohol.
  3. with acids A chemical reactions produce by an acid which effects leveled upon polyester elastomers.
  4. Heat- The heat required to raise the temperature of the unit mass of a given substance by a given amount (usually one degree).
  5. Combining lighter atomic nuclei to form a heavier nucleus, energy are released.
  6. Any of numerous organic compounds, such as benzene and methane that contain only carbon and hydrogen.
  7. reaction- A spontaneous reaction is a reaction that doesn't require.
  8. reduction reactions A reaction in which electrons are transferred from a donor (the reducing agent) to an acceptor molecule (the oxidizing agent).
  9. Gas Temperature The ideal gas temperature scale is based on the fact that all gases become ideal in the limit of zero pressure.
  10. Of a chemical reaction or compound occurring or formed with the evolution of heat
  11. Mass A number equal to the sum of the atomic masses of the atoms in a molecule.
Down
  1. prefixes hydro means water or H2O and hydrocarbon prefix is number of carbon atoms in water.
  2. Reactions- a chemical reaction and its reverse proceed at equal rates.
  3. Molecules A molecule may be said to have.
  4. Change A whole reaction is negative.
  5. The act or process of splitting into parts.
  6. Accompanied by or requiring the absorption of heat.
  7. Composition The percent composition of a component in a compound is the percent of the total mass of the compound that is due to that component.
  8. Fission A nuclear reaction in which a heavy nucleus splits spontaneously or on impact with another particle, with the release of energy
  9. A concentration unit, defined to be the number of moles of solute divided by the number of liters of solution.
  10. of energy Because energy is defined via work, the SI unit for energy is the same as the unit of work

21 Clues: Change A whole reaction is negative. • Molecules A molecule may be said to have. • The act or process of splitting into parts. • Accompanied by or requiring the absorption of heat. • reaction- A spontaneous reaction is a reaction that doesn't require. • Reactions- a chemical reaction and its reverse proceed at equal rates. • ...

Conservation of Mass 2022-10-19

Conservation of Mass crossword puzzle
Across
  1. anything that takes up space and has mass
  2. __________change when a chemical reaction takes place and at least one new product is made
  3. __________change in the physical properties of a substance
  4. does not have a fixed shape or volume
  5. when atoms form they form these.
  6. the amount of matter in an object or substance.
  7. substances result from a chemical reaction
Down
  1. the building blocks of matter
  2. a substance with a fixed shape and volume
  3. substances undergoing change in a chemical reaction
  4. The Law of __________ of Mass says that the total mass of the reactants will always equal the total mass of the products.
  5. have a fixed volume but not a fixed shape

12 Clues: the building blocks of matter • when atoms form they form these. • does not have a fixed shape or volume • a substance with a fixed shape and volume • anything that takes up space and has mass • have a fixed volume but not a fixed shape • substances result from a chemical reaction • the amount of matter in an object or substance. • ...

Equilibrium Crossword 2018-04-03

Equilibrium Crossword crossword puzzle
Across
  1. the amount of energy that must be absorbed by reactants before a reaction can occur; an energy hump that normally exists between the reactants and products
  2. a theory of reaction rates stating that effective collisions between reactant molecules must take place in order for the reaction to occur
  3. the equilibrium expression for a chemical equation that represents the dissolving of an ionic compound in solution
  4. the ratio, at equilibrium, of the concentrations of the products raised to their stoichiometric coefficients divided by the concentrations of the reactants raised to their stoichiometric coefficients
Down
  1. biological catalysts that increase the rates of biochemical reaction
  2. the amount of reactant that changes to product in a given period of time. Also defined as the amount of a product that forms in a given period of time.
  3. a substance that increases the rate of a chemical reaction but is not consumed by the reaction
  4. a reaction that is able to proceed in both the forward and reverse directions
  5. a principle stating that when chemical system at equilibrium is disturbed, the system shifts in a direction that minimizes the disturbance
  6. in a chemical reaction, the condition in which the rate of the forward reaction equals the rate of the reverse reaction
  7. the solubility of a substance in units of moles per liter

11 Clues: the solubility of a substance in units of moles per liter • biological catalysts that increase the rates of biochemical reaction • a reaction that is able to proceed in both the forward and reverse directions • a substance that increases the rate of a chemical reaction but is not consumed by the reaction • ...

Electrochemistry 2020-05-18

Electrochemistry crossword puzzle
Across
  1. A chemical reaction is a process in which the identity of at least one substance changes
  2. is an element or compound that loses an electron to an electron recipient in a redox chemical reaction
  3. is a substance that has the ability to oxidize other substances
  4. transfer occurs when an electron relocates from an atom or molecule to another such chemical entity
  5. if its oxidation number increases
Down
  1. is a type of chemical reaction in which the oxidation states of atoms are changed
  2. is the loss of electrons during a reaction by a molecule, atom or ion.
  3. sometimes referred to as oxidation number
  4. if its oxidation number decreases
  5. reaction in which atoms have their oxidation state changed

10 Clues: if its oxidation number decreases • if its oxidation number increases • sometimes referred to as oxidation number • reaction in which atoms have their oxidation state changed • is a substance that has the ability to oxidize other substances • is the loss of electrons during a reaction by a molecule, atom or ion. • ...

Chemical Reaction Crossword Puzzle 2022-10-13

Chemical Reaction Crossword Puzzle crossword puzzle
Across
  1. Equation that uses symbols
  2. Reaction in which two elements form a compound
  3. Reaction in which a compound breaks down into elements
  4. compound that balances charges
  5. Equation that uses words
  6. A reaction with oxygen
  7. Equation that represents a chemical reaction
Down
  1. A metal in a compound is replaced by a more ____ metal
  2. Element where just the symbol is written
  3. Reaction between an acid and base

10 Clues: A reaction with oxygen • Equation that uses words • Equation that uses symbols • compound that balances charges • Reaction between an acid and base • Element where just the symbol is written • Equation that represents a chemical reaction • Reaction in which two elements form a compound • A metal in a compound is replaced by a more ____ metal • ...

Unit 10 - Thermochemistry 2024-06-04

Unit 10 - Thermochemistry crossword puzzle
Across
  1. Foam cups are excellent heat ____
  2. Specific heat ____ - amount of heat it takes to raise the temperature of a substance by 1 C
  3. A branch of science that deals with the relationship between forms of energy
  4. Type of reaction where heat is absorbed
  5. Energy: The ability to do work or transfer ____
  6. Heat capacity depends on the object's ____ and chemical composition
  7. The quantity of heat that raises the temperature of 1 g of pure water 1 C
  8. Heat of ___: liquid to solid
  9. A _____ Calorie is equal to 1000 calories
  10. A measure of the disorder or randomness
  11. Speeds up reactions
  12. Energy used to cause an object that has mass to move
Down
  1. SI unit for temp.
  2. Heat of ____ - the amount of heat necessary to vaporize one mole of one gram of a given liquid
  3. Heat of ____ - gas to liquid
  4. Heat change in a reaction
  5. ___ energy is the minimum amount of energy needed to start a chemical reaction
  6. Type of reaction where heat is released
  7. The accurate/precise measurement of heat change for chemical and physical processes
  8. 1 _____ = 1000 Joules
  9. A liquid with a specific heat capacity of 4.18
  10. SI unit for heat
  11. Measure of average kinetic energy of the particles in a sample of matter
  12. Heat of ___ - the heat absorbed by one mole or one gram of a substance in melting from a solid to a liquid

24 Clues: SI unit for heat • SI unit for temp. • Speeds up reactions • 1 _____ = 1000 Joules • Heat change in a reaction • Heat of ____ - gas to liquid • Heat of ___: liquid to solid • Foam cups are excellent heat ____ • Type of reaction where heat is absorbed • Type of reaction where heat is released • A measure of the disorder or randomness • A _____ Calorie is equal to 1000 calories • ...

chapter 13 morgan miller 2016-10-12

chapter 13 morgan miller crossword puzzle
Across
  1. anything that lowers activation energy but still has the same result
  2. the breaking down (opposite of synthesis)
  3. energy transfers to reactants from surroundings (cool)
  4. must be added to break bonds
  5. chemical that donates a hydrogen ion
  6. energy transfers from reactants to surroundings (heat)
  7. chemical that gains a hydrogen ion
  8. when a reaction and its reverse act at the same rates
Down
  1. chemical change were oxides are formed
  2. separates into one compound
  3. the energy stored in a molecule that can be released during a reaction
  4. a substance that undergoes a chemical change
  5. a substance that is the result of the chemical change

13 Clues: separates into one compound • must be added to break bonds • chemical that gains a hydrogen ion • chemical that donates a hydrogen ion • chemical change were oxides are formed • the breaking down (opposite of synthesis) • a substance that undergoes a chemical change • a substance that is the result of the chemical change • ...

Physical and Chemical Changes 2017-09-24

Physical and Chemical Changes crossword puzzle
Across
  1. Original substances combining together.
  2. ABC ---> A + B + C. This is an example of ___________ reactions.
  3. Process of depositing a layer of zinc on iron
  4. oxide Another term used for rust.
  5. Formation of insoluble substance after combination of two chemical solutions.
  6. the process through which a layer of rust covers substances made of iron due to humid weather.
Down
  1. In a __________ change, the substance undergoes changes in its physical properties such as size, shape colour, state of matter.
  2. reaction Another name for chemical change.
  3. Evolution of gas is confirmed by presence of _________ in the liquid.
  4. All burning reactions are _________ as heat is released.
  5. Reactions where heat is absorbed are known as ________ reactions.
  6. A + B ---> ABC. Thus is an example of ____________ reaction.
  7. A new substance formed as a result of a chemical reaction.

13 Clues: oxide Another term used for rust. • Original substances combining together. • reaction Another name for chemical change. • Process of depositing a layer of zinc on iron • All burning reactions are _________ as heat is released. • A new substance formed as a result of a chemical reaction. • A + B ---> ABC. Thus is an example of ____________ reaction. • ...

Polymer 2022-01-13

Polymer crossword puzzle
Across
  1. A normal product for cars
  2. What happens when iron products are soaked in seawater
  3. Chemical products we often use in our daily life
  4. This is a substance or material consisting of very large molecules
  5. an atom, molecule, or ion that has at least one unpaired valence electron.
Down
  1. a chemical species that forms bonds with nucleophiles by accepting an electron pair
  2. a chemical or chemical compound that initiates a chemical reaction
  3. in chemistry, an atom or molecule that in chemical reaction seeks a positive center
  4. in chemistry, any substance that increases the rate of a reaction without itself being consumed.
  5. chemical raw materials that can be obtained from specific trees

10 Clues: A normal product for cars • Chemical products we often use in our daily life • What happens when iron products are soaked in seawater • chemical raw materials that can be obtained from specific trees • a chemical or chemical compound that initiates a chemical reaction • This is a substance or material consisting of very large molecules • ...

Types of Reactions : Crossword 2025-04-24

Types of Reactions : Crossword crossword puzzle
Across
  1. Reaction that absorbs energy usually in the form of heat from their surroundings
  2. When the ions of two compounds exchange places in an aqueous solution to form two new compounds
  3. A single compound breaks down into two or more simpler substance
  4. Chemical process in which a substance reacts rapidly with oxygen gas releasing energy in the form of heat and light
  5. Reaction that releases energy to its surroundings, usually in the form of heat
  6. Decomposition Reaction which takes place due to the passing of electricity through a compound
Down
  1. The substance getting reduced is also called
  2. When one element replaces another in a compound, resulting in a new element and a new compound
  3. Reaction in which electrons are transferred between two reactants, resulting in changes in their oxidation states
  4. Two or more substances combine to form a single product
  5. The substance getting oxidised is also called
  6. When an equation has equal amount of same atoms on both the sides
  7. Combining power of an element
  8. Substance that undergoes a chemical change and are found on the left side of the chemical equation
  9. Substance that is formed after a chemical changer and are found on the right side of the equation

15 Clues: Combining power of an element • The substance getting reduced is also called • The substance getting oxidised is also called • Two or more substances combine to form a single product • A single compound breaks down into two or more simpler substance • When an equation has equal amount of same atoms on both the sides • ...

Exo/Endo crossword puzzel 2025-02-13

Exo/Endo crossword puzzel crossword puzzle
Across
  1. To strike or hit somebody or something with any amount of force.
  2. A measure of how much matter is present in a substance.
  3. A chemical reaction when heat is absorbed.
  4. Transfer of energy through electromagnetic waves.
  5. movement of heat though a solid object; also occurs when objects are touching.
Down
  1. movement through liquids and gases.
  2. A substance that takes part in and undergoes change during a chemical reactant.
  3. reaction A chemical reaction in which heat is released.
  4. The process by which one or more substances change to produce one or more different substances.
  5. A substance produced during a chemical reaction.

10 Clues: movement through liquids and gases. • A chemical reaction when heat is absorbed. • A substance produced during a chemical reaction. • Transfer of energy through electromagnetic waves. • A measure of how much matter is present in a substance. • reaction A chemical reaction in which heat is released. • To strike or hit somebody or something with any amount of force. • ...

Photosynthesis 2022-10-13

Photosynthesis crossword puzzle
Across
  1. THE CHEMICAL REACTION WHEN PLANTS MAKE ENERGY
  2. WHAT IS CO2
  3. THE THING THAT CAUSES THE CHEMICAL REACTION
  4. WHAT HUMANS BREATH
Down
  1. THE ORGANELLE WHERE PHOTOSYNTHESIS OCCURS
  2. WHAT IS SUGAR
  3. THE NEW SUBSTANCE(S) AFTER THE REACTION
  4. GREEN PIGMENT THAT ALLOWS THE PLANT TO ABSORB ENERGY
  5. SOMETHING WITH LEAFS
  6. WHAT SUGAR IS USED FOR
  7. WHAT IS H2O

11 Clues: WHAT IS CO2 • WHAT IS H2O • WHAT IS SUGAR • WHAT HUMANS BREATH • SOMETHING WITH LEAFS • WHAT SUGAR IS USED FOR • THE NEW SUBSTANCE(S) AFTER THE REACTION • THE ORGANELLE WHERE PHOTOSYNTHESIS OCCURS • THE THING THAT CAUSES THE CHEMICAL REACTION • THE CHEMICAL REACTION WHEN PLANTS MAKE ENERGY • GREEN PIGMENT THAT ALLOWS THE PLANT TO ABSORB ENERGY

Unit 2 Jena Heitkamp 2023-04-04

Unit 2 Jena Heitkamp crossword puzzle
Across
  1. The location where the enzymes and substrate bind together
  2. a method to move more molecules across the membrane
  3. combined to form an entire cell
  4. The basic unit of life
  5. a molecule contains one hydrophilic and two hydrophobic
  6. The chemical reaction of an organism metabolism are made by proteins
  7. the part of an enzyme reaction that is specially acted upon by the enzyme
  8. the diffusion of water
  9. water loving
  10. molecules organized which are organelles that make the cell work
  11. a build up of all energy required to activate the reaction
Down
  1. combines to form a fully functional organism
  2. only allows certain things to pass threw it
  3. not water loving
  4. they are combined organelles
  5. molecules naturally move from being clustered to spread out
  6. They combined to make organ cells
  7. the breaking up of a protein
  8. The molecule that are released from the enzymes at the end of the chemical reaction
  9. Tissue have to form to make organs
  10. occurs when cells spend energy
  11. a type of animals species

22 Clues: water loving • not water loving • The basic unit of life • the diffusion of water • a type of animals species • they are combined organelles • the breaking up of a protein • occurs when cells spend energy • combined to form an entire cell • They combined to make organ cells • Tissue have to form to make organs • only allows certain things to pass threw it • ...

Semester 1 Crossword Extra Credit 2023-12-12

Semester 1 Crossword Extra Credit crossword puzzle
Across
  1. Rapid chemical combination Of Oxygen Heat and light.
  2. Breaking And changing size of a object.
  3. Sub particle.Adam that has no charge and Found in the nucleus.
  4. A pulse B Forms AB
  5. A substance that undergoes change in a reaction.
  6. A group of atoms that bear one or more positive or negative electrical charge.
  7. table Has all the elements on it.
  8. Two elements are substituted
  9. Orbitals With a negative charge.
Down
  1. One element is substituted for another.
  2. Bond A bond that occurs when a nonmetal in a metal.
  3. If the energy that went into breaking bonds is greater than the energy Exothermic reaction that release heat
  4. element located on the right side of the perotic table
  5. Rearrangement of atoms of one or more substance.
  6. the degree of compactness of a substance.
  7. A representation of a chemical reaction using symbols.
  8. Equal numbers of protons.But different number of neutrons in their nucleus.
  9. (of a reaction or process) accompanied by or requiring the absorption of heat.
  10. The atoms and molecules produced by the action
  11. Found.On the left side of the periodic table.

20 Clues: A pulse B Forms AB • Two elements are substituted • Orbitals With a negative charge. • table Has all the elements on it. • One element is substituted for another. • Breaking And changing size of a object. • the degree of compactness of a substance. • Found.On the left side of the periodic table. • The atoms and molecules produced by the action • ...

Kinetics/Equilibrium 2024-04-21

Kinetics/Equilibrium crossword puzzle
Across
  1. Process that leads to the chemical transformation when two things are combined
  2. A group of atoms bonded together.
  3. Forceful contact of two or more things coming into contact with one another
  4. Occurring at the beginning or first
  5. Measurement of energy in thermodynamic system
  6. Reaction or process accompanied by or requiring the release of heat
  7. Amount of matter something has
  8. Amount of space that an object or substance occupies
  9. Increase in the rate of a chemical reaction due to an added substance
  10. Substance that is in a gaseous or vaporous state of matter
  11. Intensity of heat in an object or substance
Down
  1. An object in the form of energy that is possesses due to its motion
  2. Group of two or more atoms held together
  3. An attraction between atoms
  4. There is no net change in the concentrations of reactants and products
  5. Reaction or process accompanied by or requiring the absorption of heat
  6. Unit of pressure can be used with 0.0821
  7. If a substance can dissolve in certain fluids
  8. Force per unit area
  9. A quantity that does not change in amount

20 Clues: Force per unit area • An attraction between atoms • Amount of matter something has • A group of atoms bonded together. • Occurring at the beginning or first • Group of two or more atoms held together • Unit of pressure can be used with 0.0821 • A quantity that does not change in amount • Intensity of heat in an object or substance • ...

(: Mcgoon vocab :) 2024-09-17

(: Mcgoon vocab :) crossword puzzle
Across
  1. Positive and negative, like a battery or magnet :)
  2. a type of bond normally found in metals
  3. the simplest form of carbohydrate
  4. a molecule roviding energy for cellular process
  5. one/single
  6. the building blocks of protein
  7. a chemical reaction using the acidity in H2O to break things down
  8. simple sugar
  9. protein
  10. many/multiple
  11. a carb composed of many (number 15)
  12. a substance that hurries chem reactions w/out being used up
  13. a substance formed from introducing a reactant
  14. a chemical reaction where two combine to one, releasing water
  15. amino acid
  16. a very very large molecule
Down
  1. a weak bond, mainly between dna bases
  2. A small molecule that can join others to form a poly___
  3. the energy needed to start a chem reaction
  4. a substance causing a reaction
  5. A large molecule made from repeating ____mers
  6. hormone
  7. large
  8. found in steak, and many other living creatures, but also in some plants
  9. water
  10. a sugar or starch used for energy, lovely lovely sugar
  11. carbon based bond with other elements essential for life
  12. with/together
  13. enzyme

29 Clues: large • water • enzyme • hormone • protein • one/single • amino acid • simple sugar • many/multiple • with/together • a very very large molecule • a substance causing a reaction • the building blocks of protein • the simplest form of carbohydrate • a carb composed of many (number 15) • a weak bond, mainly between dna bases • a type of bond normally found in metals • ...

Crossword 2014-11-06

Crossword crossword puzzle
Across
  1. the smallest part of an element that is representative of the element
  2. change of state from solid to a gas
  3. metal dull,brittle element that does not conduct electricity
  4. change of state from a solid to a liquid
  5. characteristics that can be used to describe a substance
  6. formula combination of symbols that represent a compound
  7. metals group 1 element in the periodic table, not including hydrogen; most reactive of the metals
Down
  1. substance that helps a chemical reaction to proceed more quickly
  2. is anything has mass and occupies space
  3. reaction chemical reaction that absorbs energy
  4. group 17 elements in the periodic table; the most reactive non-metals
  5. table a table in which the elements are organized by their physical and chemical properties
  6. fourth state of matter

13 Clues: fourth state of matter • change of state from solid to a gas • is anything has mass and occupies space • change of state from a solid to a liquid • reaction chemical reaction that absorbs energy • characteristics that can be used to describe a substance • formula combination of symbols that represent a compound • ...

Elements, Compounds and Mixtures 2015-05-14

Elements, Compounds and Mixtures crossword puzzle
Across
  1. A ____________ is when two liquids react to make a solid.
  2. This is the change of state from liquid to gas or vapour.
  3. This is a good method for separating dissolved substances.
  4. These are the substances formed after or due to the chemical reaction.
  5. What metal has the highest reaction in the reactivity series?
  6. _____________ is another name for burning.
  7. This is the amount of solid that can dissolve in a solvent till it becomes saturated or concentrated.
  8. This is a change of state where solid turns into liquid state. Example: this occurs when ice changes to water.
  9. This reacts with oxygen in the air to produce non-metal oxides.
  10. This is the reaction between iron and sulphur.
  11. Water that collects in the form of droplets when the humid air is in contact with it.
Down
  1. This is the change of state when liquid becomes solid. Example: this occurs when water turns into ice.
  2. These contain molecules of the same type.
  3. Least reactive metal in the Reactivity series.
  4. __________ is a method for separating a liquid from a mixture of two or more liquids.
  5. The table of elements.
  6. These are substances that undergo change in a chemical reaction.
  7. ____________ is made from different substances that are not chemically joined.
  8. This is the movement of gas or solute molecules from a region of higher concentration to a region of lower concentration until they are equal.
  9. These are a group of atoms of different elements. They can join together or be bonded by a chemical reaction.

20 Clues: The table of elements. • These contain molecules of the same type. • _____________ is another name for burning. • Least reactive metal in the Reactivity series. • This is the reaction between iron and sulphur. • A ____________ is when two liquids react to make a solid. • This is the change of state from liquid to gas or vapour. • ...

Science Vocab 2023-11-16

Science Vocab crossword puzzle
Across
  1. the substance that takes part in and undergoes change during a reaction
  2. the process by which cells derive energy from glucose
  3. the community or group of living organisms that live in and interact with each other
  4. the process in which organism’s use sunlight to synthesize food
  5. a pigment that gives plants their green color
  6. H2O
Down
  1. the process in which glucose is broken down to produce energy
  2. the source of energy for use and storage at the cellular level
  3. The basic unit of all plants
  4. The basic unit of all animals
  5. the chemical substances which are formed due to a chemical reaction between two or more chemical substances
  6. C6 H12 O6
  7. any type of energy generated by the sun
  8. a tiny pore in a plant leaf surrounded by a pair of guard cells
  9. plant cell organelles that convert light energy into relatively stable chemical energy via the photosynthetic process
  10. membrane-bound cell organelles that generate most of the chemical energy needed to power the cell's biochemical reactions
  11. CO2
  12. O2
  13. an usually flattened green outgrowth from the stem of a vascular plan

19 Clues: O2 • CO2 • H2O • C6 H12 O6 • The basic unit of all plants • The basic unit of all animals • any type of energy generated by the sun • a pigment that gives plants their green color • the process by which cells derive energy from glucose • the process in which glucose is broken down to produce energy • the source of energy for use and storage at the cellular level • ...