chemical reaction Crossword Puzzles

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

20 Clues: - Atoms bonded together • - Basic unit of an element • - Formulated the periodic table • - A property you can notice with your senses • - a particle with a negative electric charge • - Mixture that is the same all the way through • - the tendency to float in water or other liquid • - a homogeneous mixture of two or more substances • ...

25 Clues: poisonous • cloudy mixture • ability to do work • horizontal row of elements • vertical column of elements • has lost or gained electrons • combination of pure substances • the most non-reactive elements • resists the flow of electricity • describes a particular substance • change from liquid state to a gas • substance made up of only one atom. • chemical reaction that absorbs energy • ...

20 Clues: Ion with positive charge • type of bonding in metals • Group elements in group 7 • pH level of a strong acid • pH level of neutral substance • Reaction between an acid and a base • A process where electrons are gained • Chemical reaction that releases heat • where oxygen is added to a substance • A process where gas turns into liquid • ...

25 Clues: Fluid inside of a cell • Cleanup crew of a cell • Entire body is one cell • Help with cell division • ER that has no ribosomes • Control center of a cell • Protein synthesis station • Protective wall of a cell • Multiple cells in one body • Photosynthesis occurs here • Ribosome production station • Cellular respiration occurs here • The result of a chemical reaction • ...

12 Clues: when something is able to be soluble, or to dissolve. • a solution in which the solvent is water. used in equations as (aq) • in a chemical reaction this is when both reactants and products are balanced. • this reaction is classified by the products being always oxygen, and sometimes water. • ...

8 Clues: Every chemical reaction starts off with r_________ that make products. • When a chemical reaction occurs, old bonds b______ and new bonds are made. • During an endothermic reaction, energy is taken i___ from the surroundings. • The symbol for oxygen is O2. We say that oxygen has two a________ of oxygen. • ...

18 Clues: When two or more substance combine • A substance that is able to dissolve • A substance that is not able to dissolve • A product is when a new chemical is formed • A substance that is bitter and is slippery • The volume of a object compared to its mass • When matter changes from one state to another • A chemical substance that cannot be broken down • ...

10 Clues: A simple sugar,important energy • Species formed by chemical reactions • an input of energy to initiate the reaction • a substance taking part in a chemical reaction • An important chemical compound in biochemistry • Process modifying the molecular structure of a protein • Proteins consisting of one or more polypeptide chains. • ...

14 Clues: two or more atoms joined together • a dramatic change in form or appearance • substances formed as a result of a chemical reaction • substances that are consumed to create a chemical reaction • Reaction a process that changes substances into a new substances • the small unit of an element that has the properties of that element • ...

10 Clues: The energy needed to start a reaction • The total energy contained within a system • The substance(s) produced during a chemical reaction • A reaction that absorbs energy from its surroundings • A diagram that shows the energy changes of a reaction • A substance present at the start of a chemical reaction • A reaction that releases energy, often in the form of heat. • ...

18 Clues: In toothpaste • New substance in burning • When you mix acid and alkali • Neutralisation in everyday life • What colour it is (..... changes) • If you add too much acid to an alkali • The product when iron react with sulfur • the product in burning magnesium ribbon • What od farmesrs spread onto acidi soil • the color when magnesium metal is burnt • ...

15 Clues: not expected or unlikely to happen • a substance made of two or more different elements • change- the formation of a new substance with new properties • the arrangement, type, and ratio of atoms in chemical formulas • arrow in a chemical equation showing the direction of the reaction • a combination of chemical symbols and numbers to represent a substance • ...

14 Clues: Atoms that gain or lose electrons. • The reactant breaks down into simpler products. AB → A+B • Two non-metals that are bonded and are sharing electrons. • When reacting its compounds flip-flop places. AB+CD → AD+CB • Two or more elements combine to create one product. A+B → AB • A metal and non-metal bonded creating positive and negative ions. • ...

10 Clues: the word for OH- • a chemical that accepts hydrogen atom • a chemical that donates a hydrogen atom • a reaction with a net release of energy • a reaction with a net absorption of energy • what is it called when reactants become oxidized? • when a reaction and its opposite act at the same time • a substance that lowers the activation energy of a chemical reaction • ...

10 Clues: AB->A+B • A+B->AB • AX+B-->A+BX • Negative charged ion • Positively charged ion • A solid produced during a chemical reaction in a solution. • Useful to determine results of a single-replacement reaction. • Has products of either a precipitate, gas or water and occurs between two compounds. • ...

10 Clues: make something • put an end to by damaging • keeping or showing a balance • not keeping or showing balance • the substance after a chemical reaction • the substance before a chemical reaction • anything that has mass or takes up space • of conservation of mass: mass cannot be created or destroyed • correctly shows that no mass can be created or destroyed in a reaction • ...

18 Clues: solid, liquid, gas • pure substances that aren't elements • anything that takes up space and has mass • something that has magnitude, size or amount • a substance that forms in a chemical reaction • any substance that has a definite composition • a quantity adopted as a standard o measurement • the quantity of mater contained in that object • ...

18 Clues: A particle in the nucleus with no charge • A change that does not form a new substance • A pure substance made of only one type of atom • A particle in the nucleus with a positive charge • A substance that results from a chemical reaction • A particle made of two or more atoms bonded together • A negatively charged particle that orbits the nucleus • ...

10 Clues: mass of one mole of a substance. • a formula giving the number of atoms of each element. • the simplest whole number ratio of atoms present in a compound. • a number used to change one set of units to another, by multiplying or dividing. • the ratio between the amounts in moles of any two compounds involved in a chemical reaction. • ...

29 Clues: Name of -S-S- bond • Name of group: C=O • Name of (PO4)3- ion • Structure of phenol • Structure of benzene • Structure of acetone • Catalysts lower _____ • Name this chemical: CH4 • Line drawing of pentane • Name of chemical: CH3-SH • Name of this chemical: HNO3 • line drawing of cyclobutane • Name this substituent: CH3- • Name of this chemical: H2SO4 • Common name for methylbenzene • ...

21 Clues: water loving • water fearing • cell membranes • complex molecules • breaking of a protein • A small structure in a cell • makes up all living organisms • where chemical reaction occurs • a group of atoms boned together • something having many related parts • molecules upon which an enzyme acts • A groups of cells that work together • only allows some subtance and molecules to pass • ...

57 Clues: negatively charged particle • positively charged particle • particle that contains no charge • reactant that binds to the enzyme • basic unit, building block of matter • another term for a homogenous mixture • mixture with a uniform composition throughout • chemical bond that forms when electrons are shared • specific location where a substrate binds on an enzyme • ...

10 Clues: make something • put an end to by damaging • keeping or showing a balance • not keeping or showing balance • the substance after a chemical reaction • the substance before a chemical reaction • anything that has mass or takes up space • of conservation of mass: mass cannot be created or destroyed • correctly shows that no mass can be created or destroyed in a reaction • ...

10 Clues: make something • put an end to by damaging • keeping or showing a balance • not keeping or showing balance • the substance after a chemical reaction • the substance before a chemical reaction • anything that has mass or takes up space • of conservation of mass: mass cannot be created or destroyed • correctly shows that no mass can be created or destroyed in a reaction • ...

18 Clues: XY -> X + Y • inert gases • X + Y -> XY • XY +Z -> XZ + Y • List of elements. • An insoluble solid. • All equations must be: • Reactions that absorb heat • Chemical properties are due to • Number of protons plus neutrons • A substance that absorbs protons. • Metal and non - metal ions in a lattice • One type of double displacement reaction • A substance that contributes Hydrogen ions. • ...

10 Clues: make something • put an end to by damaging • keeping or showing a balance • not keeping or showing balance • the substance after a chemical reaction • the substance before a chemical reaction • anything that has mass or takes up space • of conservation of mass: mass cannot be created or destroyed • correctly shows that no mass can be created or destroyed in a reaction • ...

11 Clues: heat exiting a reaction • heat entering a reaction • scientific word for burning • two liquids are mixed to form a solid • turns a solid into a liquid using heat • a compound that has carbon and oxygen in it • when oxygen is added to a chemical reaction • symbolic representation of a chemical reaction • two or more atoms are chemically bonded together • ...

34 Clues: disorder • heat energy • negative ion • positive ion • mass per unit volume • molar concentration (M) • what is being dissolved • what is doing the dissolving • force exerted by a gas on a surface • a type of reaction that absorbs heat • the ability to do work or produce heat • the measure of movement of heat energy • a type of reaction that gives off heat • ...

19 Clues: “AI” is the acronym for ___. [Page 4, two words] • The peak month of the flu season is ___. [Page 7] • The planet with the fourth highest number of moons. [Page 5] • Seventeen of Saturn’s new moons follow a ___ orbit. [Page 5] • The chemical compound responsible for popcorn scent. [Page 7] • The gas involved in the handwarmer reaction. [Pages 26 and 27] • ...

17 Clues: A change that results in a new substance. • The starting substances in a chemical reaction. • The substances formed as a result of a chemical reaction. • A type of molecule made of two or more different elements • Fundamental unit of matter from which all substances are made. • Properties that can only be observed after a chemical reaction takes place. • ...

15 Clues: when heat bounces off an object • the melted rock underneath a volcano • the development of a plant from a seed • a tall, cone-shaped volcano with steep sides • differences between members of the same species • the part of the plant where photosynthesis occurs • a section of DNA that codes for a particular trait • the part of the plant that absorbs water from the soil • ...

15 Clues: To undergo a chemical change. • The smallest unit of an element • To combine substances together. • The amount of matter in an object. • form of energy that makes things warm • The ability to do work or cause change. • A substance produced from a chemical reaction. • change in the substance, such as color or shape. • A state of matter with a fixed shape and volume. • ...

15 Clues: parts of polymers • the substance an enzyme acts upon • a substance made of many large molecules • fatty acids that cannot be dissolved in water • a compound of a nucleoside and a phosphate group • a substance that changes during a chemical reaction • a nitrogenous compound with long chains of amino acids • a sugar that cannot be broken down into smaller sugars • ...

9 Clues: The food making process of plant. • Is the process where the fuels burn. • Bubbles are seen during the chemical reaction. • The precipitation is formed during the reaction. • The reactant or product becomes warm or chilling. • Hues of the reactant & product changed from the reaction. • Law states that energy cannot be created or destroyed in a system. • ...

12 Clues: the smallest unit of matter • the relative size of something • to change in form or appearance • To arrange again in a different order • A representation of an object or event • A substance created in a chemical reaction • A characteristic used to describe something • matter with a composition that is always the same • the way that something is put together or arranged • ...

14 Clues: Energy from the sun • The gas made by Photosynthesis • The liquid used in Photosynthesis • What goes into a chemical reaction • The green pigment in the chloroplast • Glucose has energy stored in this form • Where Cellular Respiration takes place • What is produced from a chemical reaction • Where Photosynthesis takes place in a cell • ...

15 Clues: ionize completely in water • do not ionize completely in water • when there is a net released of energy • a chemical that donates a hydrogen ion • a chemical that accepts a hydrogen ion • when there is a net absorption of energy • measure of the concentration of hydronium ions • number simply the power to which ten is raised • ...

15 Clues: a substance consumed in the course of a chemical reaction • used in mechanisms to show the various electron pairs moving around • aromatic organic compounds containing solely carbon and hydrogen atoms • a chemical compound that contains carbon-carbon double bonds or triple bonds • a formula which shows the arrangement of atoms in the molecule of a compound • ...

15 Clues: Gains oxygen • Loss of oxygen • release of heat • white precipitate • absorption of heat • used for whitewashing • detoriation of metals • oxidation of fats and oil • Method to prevent corrosion • reaction which has 1 product • reaction which has 1 reactant • Substance to prevent rancidity • simple form of chemical reaction • used in black and white photography • ...

15 Clues: Gains oxygen • Loss of oxygen • release of heat • white precipitate • absorption of heat • used for whitewashing • detoriation of metals • oxidation of fats and oil • Method to prevent corrosion • reaction which has 1 product • reaction which has 1 reactant • Substance to prevent rancidity • simple form of chemical reaction • used in black and white photography • ...

51 Clues: these form by joining monomer units • the mass of 1 mole of the substance • a water molecule with an extra proton • electrode where chemicals are reduced • how the atoms are connected in an atom • the reaction between an acid and a base • generic term for saturated hydrocarbons • any chemical that donates a hydrogen ion • the process whereby a metal deteriorates • ...

11 Clues: This is released from plants • This energy comes from the sun • Distributes water to the plant • Lets gases in and out of the leaf • Substances that start a chemical reaction • Where the food making reaction makes place • Humans and animals release this when they exhale • Carries the glucose to the plant for its life process • ...

18 Clues: XX karyotype • XY karyotype • A Double Helix • mass*acceleration • a change in DNA sequence • moving objects keep moving • constriction of a chromosome • colder mass of air replacing warmer • objects more through a fluid or gas • two surfaces sliding past each other • two surface in contact and not moving • Decreases speed in a chemical reaction • ...

34 Clues: disorder • heat energy • negative ion • positive ion • mass per unit volume • what is being dissolved • molar concentration (M) • what is doing the dissolving • force exerted by a gas on a surface • a type of reaction that absorbs heat • the way of measuring concentration (m) • the ability to do work or produce heat • the measure of movement of heat energy • ...

11 Clues: attraction between atoms • very low chemical reactivity • first colom of periodic table • In the outer shell of an atom • the result of a chemical reaction. • when a substance combines with another to form a new substance • a substance that takes part in and undergoes change during a reaction • ...

25 Clues: negative charge • positive charge • Created by reactants • how heavy the atom is • Absorbing energy (heat) • the most reactive metal • Substances that make products • Natural Catalyst in your saliva • Elementary particle with no charge • when a metal and a nonmetal combine • Degradation Of a material Over time • the basic unit of a chemical element • ...

26 Clues: helium • their absorbency • no electric charge • energy is released • negatively charged • energy is absorbed • changes during a reaction • positively charged element • can form alloys with metals • developed the periodic table • the smalles unit of an element • the letters of an element (au) • a group of atoms bonded together • consists of protons and electrons • ...

20 Clues: The ability to do work • The smallest unit of life • Electrons are found in these • These are made up of sugar units • A hormone involved with diabetes • One of the four organic molecules • This is an example of a monosaccharide • A monosaccharide commonly found in fruit • Is composed of one glucose plus one galactose • Are represented by the atomic number of an atom • ...

20 Clues: negatively charged ion • positively charged ion • subatomic particle with no charge • substance with a pH value less than 7 • atom that has gained or lost electrons • substance with a pH value greater than 7 • type of energy that is related to motion • subatomic particle with a negative charge • subatomic particle with a positive charge • ...

24 Clues: The "H" in H2O • The "C" in CO2 • A scientific guess • The vertical axis on a graph • The horizontal axis on a graph • What happened to the lake on Titan • The basic building block of matter • Chemical equations must be _______ • Neutrally charged subatomic particle • Positively charged subatomic particle • Negatively charged subatomic particle • ...

10 Clues: amount of each element • new substance is formed • no new substance is formed • amount of matter in an object • how many molecules of a substance • amount of space an object takes up • ending substance in a chemical reaction • starting substance in a chemical reaction • more energy is going into the reaction than out • more energy is going out of the reaction than in

10 Clues: High temperature • when a new substance is formed • formed from chemical reactions • reaction/process accompanied by heat • a process with absorption or release of heat • of a reaction/process with absorption of heat • a substance that undergoes change while reacting • the ability to exert force which causes a reaction • ...

10 Clues: substances that are formed after a chemical reaction • a physical quantity that is usually expressed in grams • substances that are found on the left side of a chemical equation • represented by a triangle, it acts as a catalyst that speeds up chemical reactions • integers, or numbers that are placed before the substances to balance a chemical equation • ...

15 Clues: temperature at which an enzyme work at its best • reduce the compatibility of substrate and enzyme • resembles the normal substrate binds to the enzyme • he breaking of many of the weak linkages, or bonds • substance that acts as a catalyst in living organisms • the maximum reaction rate greatly increases when this happens • ...

10 Clues: is also known as Activation energy • is a chemical that accepts a hydrogen ion • is a chemical that donates a hydrogen atom • reaction when there is a net release of energy • when a reaction and it's reverse act the same rate • reaction when there is not a net release of energy • is a substance that lowers the activation energy of a chemical reaction • ...

25 Clues: gas helium • energy is absorbed • energy is released • no electric charge • negatively charged • mass their absorbency • changes during a reaction • positively charged element • can form alloys with metals • the smalles unit of an element • the letters of an element (au) • a group of atoms bonded together • consists of protons and electrons • sodium, alike metals has one electron • ...

10 Clues: Reaction involving both oxidation and reduction. • Addition of hydrogen or removal of oxygen in a reaction. • Reaction where ions are exchanged between two reactants. • Addition of oxygen or removal of hydrogen in a reaction. • Reaction between an acid and a base to form salt and water. • Reaction where two or more reactants combine to form one product. • ...

10 Clues: The energy needed to start a reaction • The total energy contained within a system • The substance(s) produced during a chemical reaction • A reaction that absorbs energy from its surroundings • A diagram that shows the energy changes of a reaction • A substance present at the start of a chemical reaction • A reaction that releases energy, often in the form of heat. • ...

11 Clues: dissolving agent • dissolved substance • binding together of like molecules • binding together of different molecules • the final molecules of a chemical reaction • the starting molecules of a chemical reaction • liquid consisting of a homogeneous mixture of 2+ substances • molecules containing both hydrophilic and hydrophobic regions • ...

25 Clues: positive charge • negative charge • Created by reactants • how heavy the atom is • Absorbing energy (heat) • the most reactive metal • the most reactive non metals • Substances that make products • Natural Catalyst in your saliva • Elementary particle with no charge • Degradation Of a material Over time • when a metal and a nonmetal combine • he basic unit of a chemical element • ...

26 Clues: gas helium • energy is released • no electric charge • energy is absorbed • negatively charged • mass their absorbency • changes during a reaction • positively charged element • can form alloys with metals • the letters of an element (au) • the smalles unit of an element • a group of atoms bonded together • consists of protons and electrons • sodium, alike metals has one electron • ...

21 Clues: water loving • water fearing • cell membranes • complex molecules • breaking of a protein • A small structure in a cell • makes up all living organisms • where chemical reaction occurs • a group of atoms boned together • something having many related parts • molecules upon which an enzyme acts • A groups of cells that work together • only allows some subtance and molecules to pass • ...

21 Clues: basic unit of life • the basic units of all matter • repels water and is 'water fearing' • a combination of cells in a organism • the reactant of the chemical reaction • a combination of organs in a organism • the diffusion of water across a membrane • a combination of the tissue in a organism • a combination of atoms that form compound • ...

20 Clues: a stack of thylakoids • an organism that makes its own food • the cells that open and close stomata • the materials made by a chemical reaction • the cell part where photosynthesis happens • the “energy currency” molecule of the cell • an organism that eats other organisms for energy • tiny pores on leaves where gases move in and out • ...

24 Clues: acids have a --- pH • alkalis have a --- pH • a reaction that absorbs heat • a reaction that releases heat • the test used for hydrogen gas • changes colour to show pH levels • the smallest particle of any element • substances with a pH of 7 are ------- • shows reactants, and arrow and products • a gas made when a metal and an acid react • ...

20 Clues: The OH- ion. • Will dissolve easily. • Type of reaction with oxygen. • All acids contain _______ ions. • Type of reaction AB + C -> AC + B. • What the state symbol (aq) stands for. • A product (always) of a neutralisation reaction. • The chemical formula letters for hydrochloric acid. • Type of reaction when an acid mixes with an alkali. • ...

14 Clues: lowest part of something • used to specify acidity or basicity • focusing ones attention on something • chemical that gives off hydrogen ions • a chemical compound is defined as the ratio between the mass • a state in which opposing forces or influences are balanced. • a pigmented spot, mark, or small permanent protuberance on the human body • ...

19 Clues: - all living things • - type of organisms • - all water on earth • - site of photosynthesis • - pigment in chloroplasts • - anything that has mass • - all soil and rocks on earth • - first step in aerobic respiration • - process of turning sun into light • - second step of aerobic respiration • reactions - first step of photosynthesis • reactions - second step of photosynthesis • ...

11 Clues: A low energy molecule that can be converted to ATP. • Light absorbing pigment molecule in photosynthetic organisms. • High-energy molecule that contains, within its bonds, energy that cells can use. • A molecule that serves as an electron carrier in a number of reactions. Very similar to ATP. • ...

10 Clues: Type of reaction in which one reactant forms two products. • Types of reaction in which two reactants form one product. • During a _____ reaction, electrons are both gained and lost. • In a chemical equation the ______ are on the left side of the arrow. • In a chemical reaction, the _____ are on the right side of the arrow. • ...

11 Clues: Unit of concentration • Smallest unit of matter • Also known as atomic mass • Groups of atoms bonded together • A measure of the efficiency of a reaction • The reactant in a chemical reaction that is the first to be used up • The amount of product that’s actually obtained from a chemical reaction • ...

16 Clues: The reactants of enzyme-catalyzed reactions • Requiring air or oxygen for life or survival • site on an enzyme that the substrate binds to. • biological catalyst and is almost always a protein • coenzyme that works with enzymes to transfer energy to cell • A substance that speeds up the rate of a chemical reaction. • ...

9 Clues: melting of wax • increase in size • iron gets corroded • milk changing to curd • change in which new substance forms • original substance present in the reaction • a change in which no new substance is formed • new substance formed during or after chemical reaction • substance that does not undergo any change in a chemical reaction

22 Clues: The energy of motion • An energy-consuming reaction • The building blocks for lipids • The building blocks of proteins • An energy-releasing chemical reaction • Energy that is stored until being released • The non-charged particle in an atoms nucleus • The positively charged particle in an atoms nucleus • Diffusion of water through a semipermeable membrane • ...

15 Clues: - an ion with a positive charge • - an ion with a negative charge • bond - the force that holds cations and anions together • - new substances formed as a result of a chemical reaction • - a substance that undergoes change in a chemical reaction • bond - the force that holds atoms or ions together as a unit • ...

10 Clues: a substance that accepts hydrogen ions • the new materials formed in a chemical reaction • the process by which a rectant gains one or more electrons • the deterioration of a metal, typically caused by atmospheric oxygen • description of a substance that can behave as either an acid or a base • ...

9 Clues: ,mass per mole • , unit of measurement for mass • ,determines the number of atoms • , two reactants become one product • , determines the number of molecules • ,the end product of a chemical reaction • ,results in carbon dioxide, water and heat • , the starting product of a chemical reaction • , chemical reaction which results in two products from one

15 Clues: A base that dissolves in water. • An ion that is released by acids in solution. • An ion that is released by bases in solution. • A substance that takes part in a chemical reaction • A substance that has a pH = 7. Chemical formular: H2O • A substance that is formed as a result of a chemical reaction • ...

16 Clues: A process in which a substance reacts with oxygen. • Other than light, what is a condition for photosynthesis? • Coating a coin with a layer of gold is an example of _____. • Plants use this process to make food in the presence of light • These are substances present at the end of a chemical reaction. • ...

19 Clues: Neutral pH • Energy of motion • Positively charged • Negatively charged • Energy of position • Charge on a proton • Charge on a neutron • Charge on an electron • Mixture that is uniform • Mixture that is not uniform • Term for the center of the atom • An Avogadro’s number of particles • State of matter with fixed shape and volume • Substance made up of only one type of atoms • ...

19 Clues: - all living things • - type of organisms • - all water on earth • - site of photosynthesis • - pigment in chloroplasts • - anything that has mass • - all soil and rocks on earth • - first step in aerobic respiration • - process of turning sun into light • - second step of aerobic respiration • reactions - first step of photosynthesis • reactions - second step of photosynthesis • ...

12 Clues: Acid-base reaction • Formed by a reaction • Reaction with oxygen • A reaction that takes in energy • Starting material in a reaction • An example of a physical change • A reaction that produces energy. • An example of a chemical reaction • A reaction that forms water from oxygen and hydrogen • An example of a reaction that leads to atoms with more energy • ...

10 Clues: compounds • with different properties • substances that undergo a chemical reaction • substances that are produced by the reaction • the totality of an organism’s chemical reactions • the study of how organisms manage their energy resources • pathways, release energy by breaking down complex molecules into • ...

25 Clues: What is the lightest element? • What is the lightest noble gas? • How many neutrons does carbon have? • What is the chemical symbol for Lead? • What is the center of an atom called? • What is the chemical symbol for silver? • What is the chemical symbol for Mercury? • What is the charge of an electron {Pos or Neg} • What kind of reaction is the vinger egg reaction? • ...

18 Clues: Result, chemical • capacity for work • Space in an object • Takes energy, cold • Releases energy, hot • Stuff, takes up space • Smallest unit, elements • Like substances, together • A base, speeds up reactions • Smallest version, substances • how much something in something • kinetic energy, feeling, average • Change, doesn't effect chemically • change Change, with new substance • ...

26 Clues: Produced by photosynthesis • A gas produced by respiration • A chemical formed by a reaction • Type of pathogen, causes Malaria • Type of pathogen, causes Athletes Foot • Type of blood cell that fights infection • Type of pathogen, like Covid and Influenza • A chemical needed at the start of a reaction • Produced by anaerobic respiration in muscles • ...

18 Clues: group 7 • no mass • potassium is one • center of an atom • these gases are unreactive • positively charged particle • Reaction which takes in energy • these metals are very reactive • Reaction which gives out energy • the way to work out chemical formula • equal number of protons and electrons • no charge found in the center of an atom • increase this and the reaction goes faster • ...

17 Clues: the green pigment found in plants. • the substance that the enzyme reacts upon. • the process of changing energy from one form to another. • the process of generating energy in the presence of oxygen. • organelle in which respiration and energy productions occur. • a substance capable of initiating or speeding up a chemical reaction. • ...

10 Clues: High temperature • when a new substance is formed • formed from chemical reactions • reaction/process accompanied by heat • a process with absorption or release of heat • of a reaction/process with absorption of heat • a substance that undergoes change while reacting • the ability to exert force which causes a reaction • ...

10 Clues: High temperature • when a new substance is formed • formed from chemical reactions • reaction/process accompanied by heat • a process with absorption or release of heat • of a reaction/process with absorption of heat • a substance that undergoes change while reacting • the ability to exert force which causes a reaction • ...

10 Clues: a small object • the main type of sugar in blood • a way to represent a chemical reaction • species formed from chemical reactions • a reaction which changes to physical properties • a partial of matter that defines a chemical element • engry that is transferred bu electromagnetic radiation • a substance that enters into the course of a chemical reaction • ...

19 Clues: what occupies space • neutral subatomic particle • made of subatomic particles • negative subatomic particle • positive subatomic particle • the rows in the periodic table • the columns in the periodic table • good conductors, shiny and malleable • where protons and neutrons are located • good insulators, no luster and brittle solid • ...

59 Clues: Na • OH • Zn • Hg • CN • low mp • K=C+273 • molecules • mass/volume • 6.022x10^23 • AB+CD->AD+CB • mass/density • very high mp • CxHy+->CO2+H20 • crystal lattice • a naming system • soluble in water • density x volume • 2.5-2.1=4---Covalent • ((mass)(%)+(mass)(%))/100 • an ion formed from a single atom • (mass of element/total mass)x 100 • M=moles of solute/liters of solution • ...

26 Clues: a pure substance made of only one kind of atom • a naturally occurring catalyst, usually a protein • the smallest particle of a covalently bonded compound • a covalently bonded compound containing the element carbon • a substance that can produce hydrogen ions (H+) in solution • the attraction between like particles within polar substances • ...

12 Clues: Addition of oxygen. • Addition of hydrogen. • Common effect of aerial oxidation on metals. • Symbolic representation of a chemical reaction. • Reaction when two compounds exchange their ions. • This is what a chemical equation should always be. • Reaction in which two reactants form a single product. • colour of fumes given out when lead nitrate is heated. • ...

15 Clues: _____ intestine • ______ intestine • _________ doping. • You have trillions of these. • Your body is made of 72% of this. • You get _____ when you eat starch. • The blood gets ______ when you blood dope. • _______ system is where food goes when you eat. • When you blood dope your ______ has to work harder. • This is what your body gets when it digests starch. • ...

18 Clues: smallestunitofmatter • atomsbonedtogethered • somethingthattakesupspace • productspassthroughhighenergystate • whensomethinggoesfromliquedtosolid • largebodyofmatterwithnodefiniteshape • cannotbebreakendownintoothersubstanes • amountofspaceoccupiedbyasampleofmatter • actionperformedorafeelingexperiencedt. • reactionsetofacheimaclreactiontoanother • ...

20 Clues: Another term to use for basic • A group of atoms bonded together • A group of atoms bonded together • Chemical that ACCEPTS hydrogen ion/proton • A quantity that does not change in amount • The amount of a substance in a defined space • If a substance can dissolve in certain fluids • Chemical that can DONATE a hydrogen ion/proton • ...

19 Clues: what we eat • powers everything • what herbivores eat • anything that moves • when 2 atoms combine • anything you can see • the energy of the sun • anything you can hear • influenced by the moon • whenever you feel a breeze • the star in our solar system • whenever temperature changes • what fossil fuels are made from • when an atom is split by a neutron • ...