Fill out the chart using the periodic table.
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O = Oxygen

Atomic # = 8

Atomic Mass = 15.999 amu (atomic mass units)

# Of Protons = 8

# Of Neutrons = 8

# Of Electrons = 8

Zn = Zinc

Atomic # = 30

Atomic mass = 65.39 amu

# Of Protons = 30

# Of Neutrons = 35

# Of  Electrons = 30

Li = Lithium

Atomic # = 3

Atomic mass = 6.941 amu

# Of Protons = 3

# Of Neutrons = 4

# Of  Electrons = 3

I hope this helps!

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explanation:

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