Following questions are attached. Counting Protons Elec

Sunday July 24, 2022

Following questions are attached.
Counting Protons Electrons and Neutrons
Use a periodic table to fill in the table below.
Hyphen Notation
Atomic Number
Mass Number
# protons
# electrons
# neutrons
Hydrogen-2
Hydrogen-1
Gold-197
Potassium-40
Iron-55
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