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Science Test

Covers molecules, atoms, and chemical reactions untis - can be used for finals

TermDefinition
Atom A basic unit of a chemical element
Molecule A group of atoms
Scale A model that can determine the size/weight of an object
Substance Something that is pure and is always the same
Properties The characteristics of a substance
Model Something that explains or shows things we cannot see or is hard to understand
Reapeating Atom Group An extended sturcure where molecules are shown in a pattern multiple times
Chemical Reaction When 1 or more chemcials make a new substance
Reactant The 2 chemicals that take part in a chemical reaction
Product The end result in a chemical reaction
Rearrange When chemcials and atoms reform to make new products and chemcials
Law Conservation of Matter Matter cannot be created or destroyed
Created by: user-2005853
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