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Chemical Equations

Across
Solid, liquid, gas, aqueous
Goes in front of terms; used to balance total number of atoms
AB+CD --> AD+CB
Starting substances in an equation
Separates reactants and products
Ending substances in an equation
Down
AB --> A + B
Causes change to a chemical reaction (typically to speed up).
A +BC --> AC+B
Energy cannot be created or destroyed
When a substance reacts with oxygen gas and produces light/thermal energy
A+B --> C+D
Oxidation Reduction Reaction
AD+CB"},{"id":26457508,"updated_on":null,"puzzle_id":804172,"puzzle_position":328,"across_binary":1,"clue_text":"Starting substances in an equation"},{"id":26457509,"updated_on":null,"puzzle_id":804172,"puzzle_position":415,"across_binary":1,"clue_text":"Separates reactants and products"},{"id":26457510,"updated_on":null,"puzzle_id":804172,"puzzle_position":467,"across_binary":1,"clue_text":"Ending substances in an equation"},{"id":26457511,"updated_on":null,"puzzle_id":804172,"puzzle_position":1,"across_binary":0,"clue_text":"AB --> A + B"},{"id":26457512,"updated_on":null,"puzzle_id":804172,"puzzle_position":4,"across_binary":0,"clue_text":"Causes change to a chemical reaction (typically to speed up)."},{"id":26457513,"updated_on":null,"puzzle_id":804172,"puzzle_position":30,"across_binary":0,"clue_text":"A +BC --> AC+B"},{"id":26457514,"updated_on":null,"puzzle_id":804172,"puzzle_position":89,"across_binary":0,"clue_text":"Energy cannot be created or destroyed"},{"id":26457515,"updated_on":null,"puzzle_id":804172,"puzzle_position":234,"across_binary":0,"clue_text":"When a substance reacts with oxygen gas and produces light\/thermal energy"},{"id":26457516,"updated_on":null,"puzzle_id":804172,"puzzle_position":336,"across_binary":0,"clue_text":"A+B --> C+D"},{"id":26457517,"updated_on":null,"puzzle_id":804172,"puzzle_position":416,"across_binary":0,"clue_text":"Oxidation Reduction Reaction"}],"subcategories":[{"id":116,"name":"Chemistry","category_id":2,"output_text":"

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":804172,"subcategory_id":116}}]}; var jPuzzleUserId = puzzle.user_id; var jUserId = ""; var jPuzzleUserPaid = "0"; var puzzleText = "1D11C1111111111111111111E11A11S1111111111111111C11T11I1111111111111111O11A11N111111111111C111M11L11G111111111111O111P11Y11L111111111111N111O11S11E111111111111S111STATES_OF_MATTER111E111I11111R111111111111R111T111COEFFICIENTS111V111I11C11P111111111111A111O1DOUBLE_REPLACEMENT111N11M11A111111111111I111111B11C111111111111O111111U1REACTANTS11111N111111S11M111111Y11111_111111T11E111111N11111L111111I11N111111T11111A111ARROW1T111111H11111W1111E1N111111111E1111111111D1111PRODUCTS1111111111O11111111111I1111111111X11111111111S11111111"; var puzzleStyleText = ""; var clues = {"across":[{"x":2,"y":8,"clue":"Solid, liquid, gas, aqueous"},{"x":6,"y":10,"clue":"Goes in front of terms; used to balance total number of atoms"},{"x":4,"y":12,"clue":"AB+CD --> AD+CB"},{"x":7,"y":15,"clue":"Starting substances in an equation"},{"x":2,"y":19,"clue":"Separates reactants and products"},{"x":8,"y":21,"clue":"Ending substances in an equation"}],"down":[{"x":2,"y":1,"clue":"AB --> A + B"},{"x":5,"y":1,"clue":"Causes change to a chemical reaction (typically to speed up)."},{"x":8,"y":2,"clue":"A +BC --> AC+B"},{"x":21,"y":4,"clue":"Energy cannot be created or destroyed"},{"x":5,"y":11,"clue":"When a substance reacts with oxygen gas and produces light\/thermal energy"},{"x":15,"y":15,"clue":"A+B --> C+D"},{"x":3,"y":19,"clue":"Oxidation Reduction Reaction"}]} var rebuses = {}; var puzzlePublished = 1; var puzzleDimension = 23; 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.'); } } -->