Atomic Structure

Same as the Atomic Number

POSITIVE charge of 1

Mass = 1 amu

• Electron

• Neutron

• Proton

Same as the Atomic Number.

NEGATIVE charge of -1

Mass = 0 amu.

• Electron

• Neutron

• Proton

Has a charge of 0

Mass = 1 amu.

Mass number - Protons (Atomic Number) = ________

• Electron

• Neutron

• Proton

Number of Protons is equal to the

• Atomic Number

• Atomic Mass

Number of Electrons is equal to:

(Neutral Atom)

• Atomic Number

• Atomic Mass

Number of Neutrons is equal to:

• Atomic Number

• Atomic Mass

• Atomic Mass minus

  Atomic Number (Protons)

Atomic Mass (or mass number) is equal to

__________ + _________

(Pick 2)

• Neutrons

• Electrons

• Protons

Mass Number is a whole number and is equal to the:

• Rounded Atomic Mass

• Rounded Atomic Number

Atoms of the same element with different MASSES is called:

Example: Carbon 12 and Carbon 13

• Ion

• Cation

• Isotope

• Anion

Average Atomic Mass is based on calculating the mass of:

Example: Hydrogen 2 occurs 3% of the time, Hydrogen 1 occurs 97% of the time.

• Isotopes

• Ions

• Neutrons

• Electrons