Chemical Formulas and Equations Vocab – Part 1. Element pure substances = 1 type of atom (all the same) Examples: H H 2.

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Presentation transcript:

Chemical Formulas and Equations Vocab – Part 1

Element pure substances = 1 type of atom (all the same) Examples: H H 2

Molecule Anytime 2 or more atoms join (bond) together The atoms can be the same or different

Compound A substance made of two or more different atoms BrainPop - Compounds

Chemical Formulas An expression that uses chemical symbols to show the number and type of atoms present in a molecule of a substance.

Coefficient The number of each molecule in a chemical formula. The Big Number 2H 2 O = H 2 O + H 2 O

Subscript The number of atoms of an element in a molecule. The small number