Chemistry Ch. 3 Vocab

Front

Law of conservation of mass states that

Back

matter is neither created nor destroyed.

Front

Where are reactants in a chemical equation?

Back

left

Front

Identify the products: H₂O + CO₂ → HCO + HO

Back

HCO and HO

Front

Where are PRODUCTS in an equation?

Back

right

Front

Mass is neither created nor destroyed during chemical reactions or physical changes.

Back

law of conservation of mass

Front

States that a compound is composed of the same elements in the same mass proportion.

Back

Law of definite proportions

Front

When compounds form from the same elements, different masses of one element combine with a fixed mass of another in small whole number ratios.

Back

Law of multiple proportions

Front

Smallest particle of an element retaining its chemical properties

Back

atom

Front

Total protons + neutrons in an atom.

Back

mass number

Front

Number of protons in an atom of an element.

Back

atomic number