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With its earliest ideas coming to us from Ancient Greece, Chemistry has a long and interesting global history. Help your students learn about Chemistry--from the ideas of Epicurius and Lavosier and modern Nobel Prize winners--with chemistry crossword puzzles. These chemistry activities for students are great tools to help your class memorize important scientific concepts and vocabulary and learn about the periodic table, molecules, atoms, and ions. Our Chem crossword puzzles include topics such as: chemical reactions, chemical bonds, atomic structure, and even lab safety worksheets. You can use these chemistry puzzles for a variety of science classroom assignments. View all science crosswords<\/a> to see puzzles in every subject. You can also make your own Chemistry worksheet using our easy-to-use sites, linked below. <\/p>","active_flg":1,"slug":"Chemistry","title_tag":"Chemistry Crossword Puzzles | My Crossword Maker","h1_tag":"Print Free Chemistry Crossword Puzzles","meta_keywords":"null","meta_description":"These Chemistry crossword puzzles were created using My Crossword Maker, the easiest way to create your own crossword puzzle.","pivot":{"puzzle_id":486485,"subcategory_id":116}}]}; var jPuzzleUserId = puzzle.user_id; var jUserId = ""; var jPuzzleUserPaid = "0"; var puzzleText = "11111111S11111111111N11111MOLERATIO11111SYNTHESIS111111111N11111111111U111111111111G1STOICHIOMETRY1111111C11L11111111111R111111111H11E11111MOLARMASS1111111E11R11111111111L11111P111M11E1DECOMPOSITION111E111I11P11111111111Z11111R111C11L111111T1111A11111C111A11A111111H1111T11111E111L11C111111E1111I11A11N11PERCENTCOMPOSITION1C11T111Q11M111111R1111N11T11Y1DOUBLEREPLACEMENT111U11I111A11N111111T11111C1A11E111T11T111111I11111O1L11L111I111111111C11111M1Y11DISSOCIATION11A11111B1I111111N1111111MOLARVOLUME111111S111111111Y11111S1L11111M1111111111I11111T1D111AVOGADROSNUMBER1111I1111111L1111111111L11111O11111COEFFECIENT11D11111N111"; var puzzleStyleText = ""; var clues = {"across":[{"x":2,"y":2,"clue":"A conversion factor derived from the coefficients of a balanced chemical equation interpreted in terms of moles (2 words)"},{"x":16,"y":2,"clue":"A + B ----> AB"},{"x":11,"y":4,"clue":"The portion of chemistry involving the calculation of quantities of substances involved in chemical reactions"},{"x":15,"y":6,"clue":"The mass of one mole of a substance (2 words)"},{"x":11,"y":8,"clue":"AB ---> A + B"},{"x":5,"y":13,"clue":"The percent by mass of each element in a compound (2 words)"},{"x":4,"y":15,"clue":"AB + CD ----> AD + CB (2 words)"},{"x":2,"y":19,"clue":"An ionic compound is dissolved in water and is split up into aqueous ions"},{"x":14,"y":20,"clue":" The volume occupied by 1 mole of a gas at STP (22.4 L) (2 words)"},{"x":3,"y":23,"clue":"6.02 X 10^23 (2 words)"},{"x":3,"y":25,"clue":"number in front of a balanced formula telling how many molecules of that element or compound are present"}],"down":[{"x":9,"y":1,"clue":"A + BC ---> AC + B (2 words)"},{"x":21,"y":1,"clue":"An acid i added to a base"},{"x":6,"y":5,"clue":"a representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products (2 words)"},{"x":2,"y":8,"clue":"The ratio of the actual yield to the theoretical yield expressed as a percent (2 words)"},{"x":16,"y":10,"clue":"The amount of product that could form calculated from a balanced chemical equation (2 words)"},{"x":24,"y":12,"clue":"The amount of product that actually forms when the reaction is carried out in the laboratory (2 words)"},{"x":22,"y":16,"clue":"A compound containing carbon and hydrogen are burned in the presence of oxygen"},{"x":5,"y":22,"clue":"Amount of substance"}]} var rebuses = {}; var puzzlePublished = 1; var puzzleDimension = 25; var userHasAnswers = false; var correctAnswerArray = new Array(); var currentAnswerArray = new Array(); var currentPuzzleString = ''; var activeCell = null; var acrossBinary = true; var gridEdited = 0; var runningStringList = new Array(); var undoSpot = 0; var startTime = Math.round(new Date().getTime() / 1000); var alreadyTime = 0; var completeText = new Object(); var errorRed = false; var simpleFlag = "1"; var solvedAlreadyShown = 0; var puzzleFilledAlertShown = 0; var mostRecentSignup = ''; var deviceType = $.ua.device.type; var attemptProgress = ''; var pdfAnswers = ""; if(!automated) { if(!$.isEmptyObject(rebuses)) { honk.alert('Online solving is not supported for this puzzle since it contains a rebus.'); } } -->