Compounds and Chemical Reactions

......................... is formed by the combination of two or more elements.

• Mixture

• Compound

• Solution

Compounds have properties different from their individual elements.

• True

• False

The chemical name for rust is .........................

• carbon dioxide

• iron oxide

Tags

NGSS.MS-PS1-1

The chemical name for table salt is ..............

• sodium chloride

• iron oxide

Carbon dioxide CO₂ is a gas with ..........

• 2 carbon atoms for every 1 oxygen atom.

• 1 carbon atom for every 2 oxygen atoms.

Tags

NGSS.MS-PS1-1

Chemical equation similar to math equations.

• True

• False

Tags

NGSS.HS-PS1-7

................................. are the chemicals on the left side of a chemical equation.

• Reactant

• Product

Tags

NGSS.MS-PS1-5

.................... are the chemicals on the right side of a chemical equation.

• Reactant

• Product

Tags

NGSS.MS-PS1-5

The total mass of the reactants equals the total mass of the products in a chemical reaction.

• True

• False

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

.................... is a solid formed from the chemical reaction of some solutions.

• Tarnish

• Precipitate