Name: Grade: Date:
Use the periodic table to find the numbers of protons, neutrons, and electrons for atoms of the following
elements.
Name of Element
Element
Symbol
Mass
Number
Atomic
Number
Protons Neutrons Electrons
Boron B 11 5 5 6 5
Sodium 24 11...
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Name: Grade: Date:
Use the periodic table to find the numbers of protons, neutrons, and electrons for atoms of the following
elements.
Name of Element
Element
Symbol
Mass
Number
Atomic
Number
Protons Neutrons Electrons
Boron B 11 5 5 6 5
Sodium 24 11
Lithium 7 3
Ca 40 20
Copper 29 35
He 2 2
Oxygen 16 8
Mg 12 12
Argon 40 18
F 19 9
Ytterbium 103 70
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