Counting Atoms

A group of chemical symbols and numbers that represent the elements and the numbers of atoms of each element in a compound is

• a chemical formula.

• an ionic bond.

• a heterogeneous mixture.

• a homogeneous mixture.

Tags

NGSS.MS-PS1-1

In chemical formulas, the number of atoms in a unit of the compound is shown by numbers called

• superscripts.

• subscripts.

• coefficients.

• elements.

A substance that cannot be broken down into simpler substances.

• Element

• Compound

• Molecule

• Mixture

A number in front of a chemical formula in an equation that indicates how many molecules are in that compound.

• Superscript

• Subscript

• Coefficient

• Parenthesis

A substance made up of atoms of two or more different elements joined by chemical bonds.

• Element

• Compound

• Molecule

• Mixture

Tags

NGSS.MS-PS1-1

A group of like atoms bonded together.

• Element

• Molecule

• Compound

• Mixture

Tags

NGSS.MS-PS1-1

Tags

NGSS.MS-PS1-1

Tags

NGSS.MS-PS1-1

Tags

NGSS.MS-PS1-1

Tags

NGSS.MS-PS1-1