What is the atomic theory?

A substance that contains only one type of atom is a(n)......................

• compound

• mixture

• solution

• element

The....................... is a substance containing two or more different kinds of atoms.

• compound

• mixture

• solution

• element

Complete: The smallest particles of an element are called ....................

Atoms consist of parts called protons, neutrons, and__________.

• Hamptons

• Wontons

• Electrons

• Neptons

Each proton has a ______________ electrical charge.

• Neutral (No charge)

• Negative

• Positive

Each electron has a ________________ electrical charge.

• Negative

• Neutral (No Charge)

• Positive

Complete: .......................... moves around the outside of the atom.

Each neutron has an electrically _________________ charge.

• Positive

• Neutral (No Charge)

• Negative

Carbon dioxide compound consists of .................... and ...................

• carbon

• nitrogen

• oxygen

• hydrogen

• gold

A water molecule consists of .....................

• oxygen

• nitrogen

• chlorine

• hydrogen

• mercury