Answer:
1.
Number of Protons-20
Number of Neutrons-20
Number of Electrons-20
2.
15 protons
16 neutrons
15 electrons
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Answer:
1.
Calcium Atomic
Number of Protons-20
Number of Neutrons-20
Number of Electrons-20
2.
Phosphorus
15 protons
16 neutrons
15 electrons