Stasiann Crossword
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
 
 
Down: 1) two or more different elements chemically combined in a set ratio.3) a short way to show a chemical reaction using symbols.5) rearrangement of reactant atoms forming products with new and different properties.8) characteristic of a pure substance that can be observed without changing into another substance.9) chemical equation that has the same number and kind of atom in the reactants and the products; total mass stays the same10) the number pplaced in front of a formula to make a balanced equation.12) absorbtion of energy in the form of heat. pulls in heat.13) a combination of symbols that represents the elements in a compound and their proportions.16) a substance made up of a single kind of atom.18) starting substance or substances in a chemical reaction. Across: 2) to release energy in the form of heat, gives off heat.4) reactant bonds are broken the atoms are rearranged,new bonds form creating new and different properties.6) a new chemical compound produced by a chemical reaction.7) a characteristic of a oure substance that describes its ability to change into anothe substance.11) chemically combining an acid and base producing salt water.14) the number and kind of atoms in a chemical reaction in the reactants is equal to the products no matter hoe they are arranged.15) solid liquid or gas.17) a molecule of two atoms of the same or different elements. 8 pure diatomic molecules.19) the ability to do work power joule. types electrical mechanical chemical thermal or nuclear20) a one or teo letter representtation of an element. the first letter is always captital the rest are lower case.21) minimum amount of energy needed to start a chemical reaction
 

 

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