CHEMISTRY 0.0 / 5 ? ChemistryChemistryNational 5Other Created by: ~T~Created on: 28-05-18 02:34 Shows the pattern of electrons in their shells for any given amount Electron Shell Configuration 1 of 27 Has a charge of -1, mass of 1/1836 Electron 2 of 27 Has a charge of +1, mass of 1 Has a charge of +1, mass of 1 3 of 27 Has no charge, mass of 1 Neutron 4 of 27 Groups in the periodic table are arranged... Vertically 5 of 27 Periods in the periodic table are arranged... Horizontally 6 of 27 To be stable means to have a full... Valance Shell 7 of 27 Cations are formed when an atom _____ an electron Loses 8 of 27 Anions are formed when an atom _____ an electron Gains 9 of 27 _____ form cations Metals 10 of 27 _____ form anions NonMetals 11 of 27 Molecules form when _____ bond together NonMetals 12 of 27 Compounds form when _____ bond together MetalsAndNonMetals 13 of 27 ____ bonding involves the loss/gain of electrons Ionic 14 of 27 _____ bonding involves the sharing of electrons Covalent 15 of 27 Gases always go dancing in ____ Pairs 16 of 27 When writing ionic formulas, ____ the charges and ____ them SwapDrop 17 of 27 The total mass of the reactants must equal the mass of the _____ Products 18 of 27 Acid + Base => ____ + Salt Water 19 of 27 Acid + Metal => _____ + Salt Hydrogen 20 of 27 Acid + Carbonate => Salt + Water + ______ CarbonDioxide 21 of 27 Fuel + Oxygen => _____ + ______ WaterCarbondioxide 22 of 27 _____ reactions break down one compound into two or more substances Decomposition 23 of 27 Exothermic reactions make the reading on the thermometer go _____ Up 24 of 27 Endothermic reactions make the reading on the thermometer go _____ Down 25 of 27 Methane Formula = _____ CH4 26 of 27 In a displacement reaction, the solid metal has a _____ charge Neutral 27 of 27
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