chemical reaction Crossword Puzzles

20 Clues: What is heat measured in? • What is an example of sublimation? • What are reactions that release heat? • What is the total amount of energy; movement? • All chemical reactions involve a change in what? • What are reactions that require an input of energy • What is heat when added to the reaction as a reactant? • What is a substance that speeds up a chemical reaction? • ...

15 Clues: opposite of synthesis. • must be added to break bonds. • chemical that accepts a hydrogen ion. • a chemical that donates a hydrogen ion. • no plus sign on the product side(A+B=C). • a substance that undergoes a chemical change. • number in front of a chemical or chemical compound. • substance that is a result of the chemical product. • ...

27 Clues: multiples of ten • the quantity of hydrogen ions • substance that releases oxygen • alcohols that evaporate easily • oil droplets emulsified in water • subatomic particles with no charge • the concentration of surface active agents • subatomic particles with a positive charge • the three different physical forms of matter • the substance that is dissolved in a solution • ...

26 Clues: multiples of ten • the quantity of hydrogen ions • substance that releases oxygen • alcohols that evaporate easily • subatomic particles with no charge • the concentration of surface active agents • subatomic particles with a positive charge • the three different physical forms of matter • the substance that is dissolved in a solution • ...

30 Clues: Electrode where reduction occurs • Electrode where oxidation occurs • The substance that gains electrons • Complete or partial gain of electrons • Complete or partial loss of electrons • Completely ionize in aqueous solutions • agent The substance that loses electrons • Only slightly ionize in aqueous solutions • Connects two half cells in a voltaic cell • ...

15 Clues: The phase transition from a gas to a solid. • The phase transition from a solid to a gas. • The phase transition from a liquid to a gas. • The phase transition from a gas to a liquid. • Everything outside the system being studied. • The phase transition from a solid to a liquid. • The heat content of a system at constant pressure. • ...

11 Clues: representation of a chemical reaction • whether one metal will displace another metal from a compound • substance that speeds up the reaction but is not used up in the reaction • chemical change involving an exchange of positive ions between two compounds • chemical change in which one element replaces a second element in a compound • ...

10 Clues: a chemical reaction in which energy is absorbed • matter switching from a liquid to a solid or a gas to a liquid • a change in form or appearance that does not form a new substance • a chemical reaction involving oxygen that gives off heat and light • a chemical reaction in which energy is released in the form of heat • ...

18 Clues: you need this to do things • when a new substance was made • The study of changes in matter • The transfer of thermal energy • 2 or more atoms joined together • The smallest unit in an element • A substance that can't be broken • The amount of space in an object • The amount of matter in an object • A combination of 2 or more substances • A characteristic that can be observed • ...

20 Clues: simple sugars • macromolecular biological catalysts • sweet-tasting, soluble carbohydrates • a compound consisting of a nucleoside • essential nutrients for the human body • after a chemical reaction a... is made • organic compounds that are fatty acids • having carbon–carbon double or triple bonds • complex organic substance present in living cells • ...

15 Clues: that donates hydrogen ions • reacting substance in a chemical reaction • the new materials formed in a chemical reaction • process by which a reactant gains one or more electrons • the process by which a reactant loses one or more elcetrons • polyatomic ion made by removing a proton from a water molecule • ...

15 Clues: A substance that donates hydrogen ions. • A substance that accepts hydrogen ions. • The reacting substances in a chemical reaction • The minimum energy required in order for a chemical reaction to proceed. • A polyatomic ion made by adding a proton (hydrogen ion) to a water molecule. • Description of a chemical reaction in which there is a net release of energy. • ...

11 Clues: What you start with in a chemical equation. • Substance that speeds up a chemical reaction • A chemical reaction where energy is released • A chemical reaction where energy is absorbed • What you end up with after a chemical reaction • When one element replaces another in a compound • A system in which no matter can enter or escape • ...

12 Clues: - a figure or symbol • - cause(a substance) • reaction- a process that involves rearrangement • - a substance takes part in and undergoes change • - a thing or person the result of an action process • - a substance that increases the ruts of a chemical change • - a multiplier factor that measures heat from it environment • ...

15 Clues: How acidic or basic a substance is. • A reaction in which heat is absorbed. • The energy needed to begin a reaction. • Any substance that donated hydrogen ions. • the substance is neither acidic or basic. • Any substance that accepts hydrogen ions. • An exothermic reaction that produces oxides. • A reaction in which heat or light is given off. • ...

16 Clues: "sugar breaking" • stored in bonds between atoms • allows an object or system to do work • when an electron is added to an atom or ion • this work is stored in a stretched bowstring • a process that uses oxygen to release energy • a chemical reaction in which energy is absorbed • used by cells when there is a shortage of oxygen • ...

12 Clues: A protein that catalyzes a chemical reaction. • energy Energy that is related to an object’s position. • energy Energy related to interactions among charged particles. • site The place on an enzyme (or ribozyme) where a reaction is catalyzed. • energy The energy of motion in ions and molecules, measured as temperature. • ...

12 Clues: A protein that catalyzes a chemical reaction. • energy Energy that is related to an object’s position. • energy Energy related to interactions among charged particles. • site The place on an enzyme (or ribozyme) where a reaction is catalyzed. • energy The energy of motion in ions and molecules, measured as temperature. • ...

26 Clues: multiples of ten • the quantity of hydrogen ions • alcohols that evaporate easily • substance that releases oxygen • subatomic particles with no charge • the concentration of surface active agents • subatomic particles with a positive charge • the three different physical forms of matter • the substance that is dissolved in a solution • ...

26 Clues: multiples of ten • the quantity of hydrogen ions • substance that releases oxygen • alcohols that evaporate easily • subatomic particles with no charge • subatomic particles with a positive charge • the concentration of surface active agents • the three different physical forms of matter • the substance that is dissolved in a solution • ...

26 Clues: multiples of ten • the quantity of hydrogen ions • alcohols that evaporate easily • substance that releases oxygen • subatomic particles with no charge • subatomic particles with a positive charge • the concentration of surface active agents • the three different physical forms of matter • the substance that is dissolved in a solution • ...

26 Clues: multiples of ten • the quantity of hydrogen ions • alcohols that evaporate easily • substance that releases oxygen • subatomic particles with no charge • subatomic particles with a positive charge • the concentration of surface active agents • the three different physical forms of matter • the substance that is dissolved in a solution • ...

26 Clues: multiples of ten • the quantity of hydrogen ions • substance that releases oxygen • alcohols that evaporate easily • subatomic particles with no charge • subatomic particles with a positive charge • the concentration of surface active agents • the three different physical forms of matter • the substance that is dissolved in a solution • ...

16 Clues: AB->A+B • A+B->AB • AB+C->AC+B • AB+CD->AD+CB • AB+oxygen->oxides of A and B • a chemical that accepts a hydrogen ion • a chemical that donates a hydrogen ion • a substance that undergoes a chemical change • a measure of the concentration of hydronium ions • a substance that is the result of a chemical change • energy transfers from reactants to the surroundings • ...

20 Clues: bond sharing of electrons. • bond transfer of electrons. • formed by two monosaccharides. • the small sub units that are indivisible. • simple sugar; glucose,fructose, and galactose. • is the form of carbohydrate storage in animals. • compound compounds that contain the element carbon. • made up of sugar units;most important source of energy. • ...

24 Clues: DNA • 1:2:1 ratio • simple sugar • lemon juice is an • insoluble fatty acid • has a ph of 8 or higher • undergoes chemical change • prevents change in acididty • lacks a carbon-hydrogen bond • min amount of energy required • layer on which an enzyme acts • glucose linked together (starch) • leads to a chemical transformation • accelerates without being affected • ...

11 Clues: undergoes change during a reaction • present at the end of a chemical reaction • a change in matter that produces a new substance • uses symbols and formula to show chemical reactions • a number placed in front of a chemical symbol or formula • chemical reaction that absorbs heat from its environment • a notation of one or two letters representing a chemical element • ...

16 Clues: AB->A+B • A+B->AB • AB+C->AC+B • AB+CD->AD+CB • AB+oxygen->oxides of A and B • a chemical that accepts a hydrogen ion • a chemical that donates a hydrogen ion • a substance that undergoes a chemical change • a measure of the concentration of hydronium ions • energy transfers to reactants from the surroundings • a substance that is the result of a chemical change • ...

16 Clues: fluid matter • involving the body • change into gas or steam • degree of hotness or coldness • occurring with release of heat • visible suspension of particles • occurring with absorption of heat • substances are changed into others • Heat absorbed in a chemical change • determined by composition/structure • energy either given off or absorbed • Heat given off in a chemical change • ...

19 Clues: These metals will react with water • This can increase the rate of a reaction • This is another name for the speed of a reaction • A new one of these is made during a chemical reaction • This 'theory' discusses particles bumping into each other • This process is used to extract aluminium using electricity • ...

10 Clues: A measure of the acidity of a solution • The reacting substances in a chemical reaction • The new materials formed in a chemical reaction • A chemical Reaction in which there is a net release of energy • A chemical Reaction in which there is a net absorption of energy • Matter is neither created nor destroyed during a chemical reaction • ...

61 Clues: mass divided by volume • positively charged ion • negatively charged ion • Elements that form cations • reaction that takes in heat • reaction that gives off heat • an electrically charged atom • a change in the physical properties • two or more atoms covalently bonded • average mass of atoms of an element • have no charge, found in the nucleus • ...

36 Clues: Basic unit of matter • Molecule made of monomers • Reaction that ABSORBS energy • Reaction that RELEASES energy • Proteins that act as catalysts • The molecules that form proteins • Small units of a larger molecule • Thing that is dissolved (ex.sugar) • Thing that dissolves solute (ex.water) • Mix of water and non dissolved material • Tendency of water to rise in a thin tube • ...

29 Clues: biological catalysts • the basic unit of matter • macromolecule made up of amino acids • reactant of an enzyme-catalyzed reaction • small chemical unit that makes up a polymer • a reaction that absorbs energy (absorbs heat) • energy that is needed to get a reaction started • a reaction that releases energy (gives off heat) • ...

20 Clues: ΔH • 6.022×10^23 • gas to liqiud • solid, liquid, gas • numbers that matter • standard unit of energy • solid becoming a liquid • smallest unit of matter • what Mrs. Carley teaches • standard unit of temperature • right side of a chemical equation • subatomic particle with a negative charge • anything that has mass and takes up space • organizes all elements into rows and columns • ...

21 Clues: Two or more atoms • The study of matter • Smallest unit of measure • Toxic plastic garbage juice • E-Waste is ___________ waste • Chemical equations MUST be... • Conservation of ____________. • This is never truly destroyed • Substances you CREATE in a reaction • Coefficients and subscript must be... • Kinetic energy of atoms and molecules • The small number in chemical formulas • ...

50 Clues: – The total heat content of a system. • – The substance dissolved in a solution. • – A substance made of only one type of atom. • – A homogeneous mixture of solute and solvent. • – The loss of electrons by an atom or molecule. • – The gain of electrons by an atom or molecule. • Number – The number of protons in an atom’s nucleus. • ...

16 Clues: SI unit of energy • the reaction itself • a unit used to measure heat • a reaction that absorbs heat • energy released by vibrating objects • a liquid that has a high specific heat • the type of energy stored in a battery • capacity for doing work or supplying heat • heat content of a system at constant pressure • a reaction that releases heat into the surroundings • ...

30 Clues: basic unit of life • biological catalyst • a reaction that absorbs energy • a reaction that releases energy • macromolecule made up of amino acids • substance formed as a chemical reaction • reactant of an enzyme- catalyzed reaction • small chemical unit that makes up a polymer • a large organic molecule made up of many atoms • energy that is needed to get a reaction started • ...

14 Clues: sugars and starches • chemical transformation • degree of hotness or coldness • formed when atoms of element different • substance produced by chemical reaction • reaction where heat and light given off • atoms that have lost or gained electrons • scale sets zero freezing and 100 boiling • chemical needed to grow and repair cells • smallest unit of substance with substance • ...

11 Clues: anything with mass and volume • a chemical compound that is consumed in a chemical reaction • a chemical compound that is produced in a chemical reaction • the smallest particle of matter that still retains the properties of an element • bonds the forces between atoms that hold those atoms together to form compounds • ...

15 Clues: The loss of electron. • The gain of electron. • An oxidation-reduction reaction. • The negatively charged electrode of an electrical device. • The positively charged electrode of an electrical device. • Site at which oxidation or reduction; an anode or cathode. • Number assigned to keep track of electron gain or loss in redox reactions. • ...

27 Clues: multiples of ten • the quantity of hydrogen ions • substance that releases oxygen • alcohols that evaporate easily • oil droplets emulsified in water • subatomic particles with no charge • the concentration of surface active agents • subatomic particles with a positive charge • the three different physical forms of matter • the substance that is dissolved in a solution • ...

18 Clues: The process of losing electrons • The process of gaining electrons • A representation of a chemical reaction. • A product that can't be dissolved in water. • A substance present at the end of a reaction. • A reaction where two reactants both swap parts. • A substance present at the start of a reaction. • An exothermic reaction involving a fuel and oxygen. • ...

15 Clues: Two or more atoms bonded together. • A state of balance in a chemical reaction. • A substance composed of only one type of atom. • The smallest unit of matter with unique properties. • A measure of the acidity or basicity of a solution. • A substance composed of two or more different elements. • Relating to the sharing of electron pairs between atoms. • ...

27 Clues: s • l • g • arrow • positive ion • H2 + O = H2O • negative ion • two nonmetals • 1s2 2s2 2p6 3s2 • metal and nonmetal • CH4 + 2O2 ____ CO2 + 2H2O • two atoms bonded together • found on the periodic table • elements having 8 electrons • 2 or more atoms bonded together • produced at the end of the reaction • subtance at the beginning of reaction • single element gets replaced in compound • ...

22 Clues: Speeds up a reaction. • Use of carbon isotope. • Process of making soap. • Chemical name for soap. • Green in colour in a flame. • Crimson in colour in a flame. • Added to milk to form plastic. • Different form of same element. • Oil used in the making of soap. • Chemical symbol for table salt. • Famous example of Carbon-14 dating • Acid used to test rocks for hardness. • ...

25 Clues: 7 on ph scale • 1-6 on ph scale • 8-14 on ph scale • An enzyme is a ________. • Enzyme binds to substrate • Speeds up chemical rections • Many enzymes have this ending • Enzymes ______ up a reaction. • The molecule the enzyme acts on • Energy needed to start a reaction • A factor that denatures an enzyme • Enzymes are needed for this action • Enzymes _______ activation energy. • ...

40 Clues: A group of atoms bonded together. • The mass of one mole of a substance. • Smallest unit of a chemical element. • Digitally meaningful figures in a measurement. • Energy possessed by an object due to its motion. • The force exerted by a gas per unit surface area. • Positively charged subatomic particle in the nucleus. • ...

49 Clues: Shininess • Protons plus the neutrons • found in nucleus, no charge • conductive, shiny, easily shaped • Ability to be pulled into a wire • found in nucleus, positive charge • A solid separated from a solution • Ability to pass heat or electricity • found outside nucleus, negative charge • Group 18 on the periodic table, non reactive • ...

27 Clues: the ability to do work • the break down of complex molecules • the energy associated with objects in motion • the stored energy that can be used to do work • a measure of randomness or disorder in a system • a measure of energy that is available to do work • a biological catalyst and is almost always a protein • they can be added together to give an overall reaction • ...

17 Clues: CH₄ • NH₄ • ClO₄ • H₂O₂ • Cr₂O₇ • KMnO₄ • Aqueous solution of CaCO₃ & Water • Reactions between an Acid and a Base • Term for . C₆H₁₂O₆ + O₂ → CO₂ + H₂O • Reactant used in Black & White photography • Insoluble substance formed after a reaction • When Cao is mixed with water to form Ca(OH)₂ • A type of chemical reaction related to Fe₂O₃ • Another name for double displacement reaction • ...

41 Clues: required for combustion • the most electronegative atom • sulfur hexachloride's geometry • the electric charge on a proton • orbitals that have the same energy • weak IMFs will cause faster drying • the electric charge on an electron • six orbitals that form octahedral geometry • an attractive force between polar molecules • four orbitals that form tetrahedral geometry • ...

20 Clues: a small portion of matter • rearrangement of molecules • a group of 2 or more atoms • the outcome of the reaction • a substance used in a reaction • the amount of matter in an object • equal on both sides of an equation • the number in front of the formula • things listed on the periodic table • the basic unit of a chemical element • left over reactant from the reaction • ...

17 Clues: A reaction where both oxidation and reduction occur • Occurs when atoms gain oxygen in a chemical reaction • A reaction that gains hydrogen atoms but loses oxygen atoms. • A bond that transfers electrons between a metal and a nonmetal. • This type of reaction only includes carbon, hydrogen and oxygen. • ...

26 Clues: multiples of ten • the quantity of hydrogen ions • alcohols that evaporate easily • substance that releases oxygen • subatomic particles with no charge • subatomic particles with a positive charge • the concentration of surface active agents • the three different physical forms of matter • the substance that is dissolved in a solution • ...

26 Clues: multiples of ten • the quantity of hydrogen ions • alcohols that evaporate easily • substance that releases oxygen • subatomic particles with no charge • the concentration of surface active agents • subatomic particles with a positive charge • the three different physical forms of matter • the substance that is dissolved in a solution • ...

26 Clues: multiples of ten • the quantity of hydrogen ions • alcohols that evaporate easily • substance that releases oxygen • subatomic particles with no charge • subatomic particles with a positive charge • the concentration of surface active agents • the three different physical forms of matter • the substance that is dissolved in a solution • ...

19 Clues: a solid made from a liquid • a reaction that releases energy • a system that demonstrates the locom • the thing that are used in a reaction • the energy required to start a reaction • what is left after a reaction takes place • the rule that mass is neither destroyed nor created • a type of chemical reaction here the reactants break down • ...

20 Clues: dioxide Greenhouse gas • Negative charged particle • Resulting from living things • The process of burning something • Chemical process formed by plants • Not derived from living organisms • Accompanied by the release of heat • Positive electrical charged particle • Something that acts like a storage source • The waste and remains of living organisms • ...

25 Clues: symbol Ag • atomic number 79 • Vibrate and move freely • product of photosynthesis • base for all life on earth • found on the periodic table • sign of a chemical reaction • a sign of a chemical reaction • the same as the atomic number • group 18 of the periodic table • left side of the periodic table • results from a chemical reaction • right side of the periodic table • ...

32 Clues: Shape of H2O. • Shape of CH4. • Shape of BBr3. • Shape of NCl3. • Shape of BeH2. • Na + Cl -> NaCl • 2NaCl -> 2Na + Cl2 • Physical property. • C2H3O2 -> CO2 + H2O • Zn + 2HCl -> ZnCl2 + H2 • HCl + AgNO3 -> AgCl + HNO3 • Zncl2 is an example of this. • Br2, I2, N2, Cl2, H2, O2, F2 • Ag, Zn, Al are examples of this. • The type of bond formed in NaCl. • A basic unit of a chemical element. • ...

26 Clues: CO2 • THE ACID IN LEMONS • CHEMICAL SYMBOL Fe • THE ACID IN VINEGAR • A BASE USED TO CLEAN • A SUBSTANCE WITH A PH OF 7 • THE SMALLEST UNIT OF MATTER • AN ACID OFTEN USED IN THE LAB • MEANING THE CHANGE CAN BE UNDONE • A SUBSTANCE WITH A PH OF LESS THAN 7 • A BASE THAT CAN BE DISSOLVED IN WATER • A SUBSTANCE WITH A PH OF GREATER THAN 7 • AN INDICATOR THAT TURNS RED OR BLUE ONLY • ...

14 Clues: one element replaces a similar element in a compound • two or more substances combine to form a new compound. • the decomposition of a substance by an electric current • a chemical reaction in which the products re-form the original reactants • is a small whole number that appears in front of a formula in a chemical equation • ...

27 Clues: multiples of ten • the quantity of hydrogen ions • substance that releases oxygen • alcohols that evaporate easily • oil droplets emulsified in water • subatomic particles with no charge • the concentration of surface active agents • subatomic particles with a positive charge • the three different physical forms of matter • the substance that is dissolved in a solution • ...

24 Clues: compounds made of two elements • formed when atoms share electrons • uncharged particles in the atomic nucleus • the average mass of an atom of an element • substances produced by a chemical reaction • substances that go into a chemical reaction • the number of protons in the nucleus of an atom • molecules made of two atoms of the same element • ...

25 Clues: basic building blocks of matter • the neutrally charged part of an atom • the negatively charged part of an atom • the positively charged part of an atom • 2 or more substances physically combined • what you start with in a chemical reaction • 2 or more elements chemically bonded together • The amount of matter in a given amount of space • ...

32 Clues: Shape of H2O. • Shape of CH4. • Shape of NCl3. • Shape of BBr3. • Shape of BeH2. • Na + Cl -> NaCl • 2NaCl -> 2Na + Cl2 • Physical property. • C2H3O2 -> CO2 + H2O • Zn + 2HCl -> ZnCl2 + H2 • HCl + AgNO3 -> AgCl + HNO3 • Br2, I2, N2, Cl2, H2, O2, F2 • Zncl2 is an example of this. • Ag, Zn, Al are examples of this. • The type of bond formed in NaCl. • A basic unit of a chemical element. • ...

10 Clues: the starting substances in a chemical reaction • the substances produced by the chemical reaction • is a description of a reaction using element symbols and chemical formulas • a chemical reaction in which a substance combines with oxygen and releases energy • is a number placed in front of an element symbol or chemical formula in an equation • ...

16 Clues: Insoluble substance • Most reactive metal • When 2 substances combine • Released during an exothermic reaction • Reaction that causes bad odor and taste • Exchange of ions to form 2 new substances • Found on the L.H.S of a chemical equation • Decomposition reaction by absorbing light • Combining capacity of an element/compound • Increases the rate of a chemical reaction • ...

16 Clues: Reactions in which energy is absorbed • Reactions in which energy is absorbed • two or more substances combine to form a new single • Two different atoms or groups of atoms (ions) are exchanged • When an element displaces another element from its compound • Reactions in which heat is given out along with the products • ...

16 Clues: Reactions in which energy is absorbed • Reactions in which energy is absorbed • two or more substances combine to form a new single • Two different atoms or groups of atoms (ions) are exchanged • When an element displaces another element from its compound • Reactions in which heat is given out along with the products • ...

15 Clues: – The substance being dissolved in a solution. • Electrolyte – A compound that completely ionizes in water • Electrolyte – A compound that only partially ionizes in water. • – A substance that dissolves in water but does not produce ions • – The substance in which the solute dissolves, forming a solution. • ...

16 Clues: Most reactive metal • Insoluble substance • When 2 substances combine • Released during an exothermic reaction • Reaction that causes bad odor and taste • Decomposition reaction by absorbing light • Exchange of ions to form 2 new substances • Found on the L.H.S of a chemical equation • Combining capacity of an element/compound • Increases the rate of a chemical reaction • ...

14 Clues: Matter Heat • Mass Conductor • Density Temperature • Radiation Chemical Change • States of matter Insulator • Convection Physical Change • Potential Energy Thermal Energy • mixture Chemical Reaction Products • mixture Physical Reaction Reactants • Law of Conservation of Matter/Energy • Chemical Properties Mechanical Energy • substance Kinetic energy Periodic Table • ...

25 Clues: Positive charges. • Group 9, period 6. • Group 15, period 7. • An organic catalyst. • Most reactive non-metals. • Measure of atomic mass; (amu). • The speed of a chemical reaction. • Substances that start a reaction. • Substance(s) created by a reaction. • The positive charged centre of an atom. • Can be in-between metals and non-metals. • Vertical column of elements in the table. • ...

40 Clues: the X axis a potential energy diagram • the Y axis on a potential energy diagram • and activated complex is also known as a ___ state • affects the rate of reaction without changing itself • the number of main factors affecting rates of reaction • average reaction rate = change in concentration / ____ • potential energy is almost always measured in this unit • ...

9 Clues: in a chemical reaction the substance that reacts • in a chemical reaction the new substance or substances formed • reaction chemical reaction that requires thermal energy in order to proceed • chemical reaction in which one substance breaks down into two or more substances • ...

28 Clues: Not able to dissolve in a solvent. • Able to dissolve in a solvent, usually water. • A state of matter with a fixed shape and volume • The amount of solute in a given amount of solution. • A substance that donates hydrogen ions in solution. • A state of matter with a definite volume, but no fixed shape. • ...

24 Clues: able to cause damage • chemical reaction that absorbs heat • chemical reaction that releases heat • the combining of atoms to form molecules • to change the order or position of something • an interaction that holds atoms or ions together • horizontal rows of elements on the periodic table • vertical columns of elements on the periodic table • ...

21 Clues: a negatively charged ion • a positively charged ion • a system of moral values • decimal based measuring system • an indicator of a chemical reaction • data that can be measured in numbers • the study of nonliving matter and energy • how close a measurement is to the true value • has the same number of protons and electrons • a measure of the force of gravity on an object • ...

21 Clues: Color of Copper(II) Oxide • Has the chemical formula CaCO3 • Another term for Calcium Oxide • Another name for Calcium Hydroxide • Any reaction that produces a precipitate • The substance formed during the reaction • Reacts with water to produce Calcium Hydroxide • A metal that burns with a dazzling white flame • The color of Nitrogen dioxide (NO2) in its gas form • ...

20 Clues: energy of motion • A pure substance • Energy that is stored • mass divided by volume • Increases potential energy • solid formed inside of a liquid • Two or more different elements combined • Change where no new substance is formed • Two or more of the same elements combined • A reaction where a new substance is formed • increases BOTH potential and kinetic energy • ...

24 Clues: What are you? • How we measure energy • A food molecule; a lipid • The organ with the most fat • "I'm going to ___ this class!" • Energy is the ability to do what? • Food is defined as giving us what? • A food molecule; sugar is an example • What results from a chemical reaction • Moving your arm is this kind of energy • A food molecule; found in muscle tissue • ...

30 Clues: membrane • same/alike • how things work • produce proteins • garbage disposal • structure like thread • apparatus post office • command center of cell • molecules found in cells • the way things are built • molecules necessary for life • single stranded nucleic acid • storing & transporting water • membrane a protective barrier • organisms are use energy from sun • ...

31 Clues: Shape of CH4. • Shape of H2O. • Shape of BeH2. • Na + Cl -> NaCl • 2NaCl -> 2Na + Cl2 • C2H3O2 -> CO2 + H2O • Planar: Shape of BBr3. • Mass: Physical property. • Zncl2 is an example of this. • Br2, I2, N2, Cl2, H2, O2, F2 • A lasting attraction between atoms. • A basic unit of a chemical element. • Replacement: Zn + 2HCl -> ZnCl2 + H2 • Bond: The type of bond formed in NaCl. • ...

20 Clues: No electrical charge • Positively charged subatomic particle + • Negatively charged subatomic particle – • Anything that has mass and takes up space • The amount of matter in a particle or object • The basic building blocks of ordinary matter • A shorthand that scientists use to describe a chemical reaction. • ...

26 Clues: “Ingredients” in a chemical reaction • The word for the point at which liquid turns into a gas • In a gas, atoms and molecules are moving at a ____ speed. • In a solid, atoms and molecules are moving at a ___ speed. • The physical property seen when one substance dissolves in another. • An example of a ____ property is acidity or reactivity of a compound • ...

26 Clues: chemical reaction that absorbs energy • chemical reaction that releases energy • change of state from a gas to a liquid • a solution in which water is the solvent • orbit of electrons around the nucleus of an atom • ability of a substance to conduct electricity or heat • catalyst involved in chemical reactions in living things • ...

24 Clues: new compounds • an atom with a net charge • an element with no charge • a bond formed by two nonmetals • an element with a positive charge • an element with a negative charge • two compounds are exchanged making • A bond formed by a nonmetal and a metal • the degree of compactness of a substance • the reaction that requires burning and fire • ...

10 Clues: A substance used up in a chemical reaction • A reaction where a fuel reacts with oxygen • A substance formed from a chemical reaction • A type of reaction where energy is absorbed • One of the products of a combustion reaction • The type of reaction where energy is released • A type of change where new substances are formed • ...

10 Clues: Reaction that absorbs heat. • Reaction that releases heat. • Reaction where a substance loses electrons. • Reaction where a substance gains electrons. • Process of using electricity to cause a chemical change. • Reaction between an acid and a base to form water and a salt. • Formation of a solid in a solution during a chemical reaction. • ...

19 Clues: ΔH is greater than Zero. • Order, When the rate is increasing. • The reaction or substance changing. • capacity, C value in certain equations. • Measurement of the heat flow out of or into the system • Change- Chemical or physical change occurs "naturally". • Total amount of thermal energy in a system or substance. • ...

19 Clues: Stacks of thylakoids • When chemical bonds are broken and reformed • The conversion of light energy to chemical energy • Organisms that use chemical energy to make their food • An organism that obtains energy by eating other organisms • Main energy source that cells use for most of their work.. • product of the Light dependent reaction of photosynthesis. • ...

14 Clues: The mass of one mole of a substance. • Any instance in which electrons are lost. • Substances that enter into a chemical reaction. • Two compounds swap cations or anions with each other • Substances that reactants combine to produce products. • A single reactant breaks down into two or more products. • One element in a compound is replaced by another element. • ...

34 Clues: Substances that undergo a chemical change in a reaction • A chemical element with the symbol C and atomic number 6 • Substances that are formed as a result of a chemical reaction • The substance that is dissolved in a solvent to form a solution • Large biomolecules made up of one or more long chains of amino acids • ...

32 Clues: Shape of H2O. • Shape of CH4. • Shape of BeH2. • Na + Cl -> NaCl • 2NaCl -> 2Na + Cl2 • C2H3O2 -> CO2 + H2O • Planar: Shape of BBr3. • Mass: Physical property. • Pyramidal: Shape of NCl3. • Br2, I2, N2, Cl2, H2, O2, F2 • Zncl2 is an example of this. • A basic unit of a chemical element. • A lasting attraction between atoms. • Replacement: Zn + 2HCl -> ZnCl2 + H2 • ...

25 Clues: A group of atoms bonded together • A substance that is being dissolved in a solution • A substance formed/produced in a chemical reaction • A reaction that releases energy in the form of heat • a mixture in which the composition is uniform throughout • A liquid substance capable of dissolving other substances • ...

9 Clues: Substance formed from a chemical reaction • Substance that slows down or stops a chemical reaction • Substance that undergoes a chemical change in a reaction • Substance that increases the rate of a chemical reaction • Chemical reaction where two or more substances combine to form a single product • ...

31 Clues: A reaction in which an insoluble salt is formed. • A substance that inhibits or slows down oxidation. • The substance that gets reduced is also known as this. • The substance that gets oxidised is also known as this. • The reaction in which both reduction and oxidation occur. • Compounds that contain molecules of water of crystallisation. • ...