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Science Vocab Words

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1.Law of conservation of mass States that mass is neither created nor destroyed in any ordinary chemical reaction.
2.physical change A physical change does not produce a new substance.
3.chemical change A chemical change produces a new substance.
4.Element substance that cannot be broken down into simpler substances.
5.chemical formula type and quantity of atoms and molecules that are present.
6.Element molecule molecule of one type of atom.
7.compound molecule made of more than 1 type of atom.
8.chemical equation shorthand form for writing what reactants are used and what products are formed in a chemical reaction;sometimes shows whether energy is produced or absorbed.
9.chemical reaction process that produces chemical change , resulting in new substances that have properties different from those of the original substances.
10.reactants(in a chemical equation) substances that exists before a chemical reaction begins.
11.products(in a chemical equation) substances that forms as a result of a chemical reaction.
12.coefficent(in a chemical equation) The number of molecules of reactants or products.
13.subscription(in a chemical equation) tells the number of atoms in one molecule.
14.Diatomic having two atoms in the molecule.
Created by: Diego Rubio