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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":509091,"subcategory_id":116}}]}; var jPuzzleUserId = puzzle.user_id; var jUserId = ""; var jPuzzleUserPaid = "0"; var puzzleText = "11111111111111111111111111111J11TERTIARY111111111O11R11111111P11H1111N11A11111111R1CYCLOHEXENE1111111O11D1111S11S11111111P11R11111111SWERN11MARKOVNIKOV1111T11111G11B1111111111H1PCC1APROTIC1B11E11A111H1T11R1111R11N11N111I1I11A1111O11ACCEPTOR1O11T1111M11N111111A1N1DIBROMOBUTANE111L1111O1111N11I11111111OZONOLYSIS1O1111111111111111U11M1111111111111111M1NEWMAN111111111111111R111111111111111111111111111"; var puzzleStyleText = ""; var clues = {"across":[{"x":13,"y":2,"clue":"____ carbocations are the most stable."},{"x":4,"y":5,"clue":"Acid catalyzed dehydration will convert cyclohexanol to ______"},{"x":14,"y":7,"clue":"A less toxic alternative to PCC is ____ oxidation"},{"x":1,"y":8,"clue":"Acid-Catalyzed Hydration displays ____ regioselectivity, with the OH bonding to the more highly substituted carbon of the alkene"},{"x":18,"y":9,"clue":"Commonly used for oxidation of primary alcohols to aldehydes"},{"x":2,"y":10,"clue":"Polar ___ solvents accelerate SN2 reactions."},{"x":13,"y":12,"clue":"A Lewis acid is an electron pair ___"},{"x":4,"y":14,"clue":"2-Butene + Br2 ---> 2,3- ______"},{"x":2,"y":16,"clue":"____ cleaves C=C bonds and gives 2 carbonyl groups in its place."},{"x":12,"y":18,"clue":"A way to view a molecule down a C-C single bond and evaluate relative orientations of attached groups. _____ projection."}],"down":[{"x":10,"y":2,"clue":"_____ reagent is used to oxidize primary alcohols to carboxylic acids"},{"x":13,"y":2,"clue":"Dissolving metal reduction turns internal alkynes to ____ alkenes"},{"x":2,"y":4,"clue":"What is the 2nd step of a radical chain mechanism"},{"x":5,"y":4,"clue":"_____ Oxidation"},{"x":16,"y":7,"clue":"CH3CH3"},{"x":20,"y":9,"clue":"___ center. A tetrahedral atom with 4 different groups bonded to it. "},{"x":10,"y":10,"clue":"The addition of Bromine to an alkene creates a bridged ____ ion intermediate. "},{"x":13,"y":10,"clue":"Stereoisomers that are nonsuperposable mirror images of each other."}]} var rebuses = {}; var puzzlePublished = 1; var puzzleDimension = 20; 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.'); } } -->