A certain atom has 22 protons and 19 electrons. This atom loses an electron. The net charge on the atom is now. If this same atom with 22 protons and 19 electrons were to gain 3 electrons, the net charge on the atom would be.

Question

Chemistry

Killian

17 July, 20:26

A certain atom has 22 protons and 19 electrons. This atom loses an electron. The net charge on the atom is now. If this same atom with 22 protons and 19 electrons were to gain 3 electrons, the net charge on the atom would be.

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Diana West · Answer 1

1) p⁺ = 22; number of protons.

e⁻ = 19 - 1 = 18; number of electrons.

Net charge is + 4, because atom has 4 protons more than electrons.

Proton is a subatomic particle with a positive electric charge of + 1e elementary charge.

2) p⁺ = 22; number of protons.

e⁻ = 19 + 3 = 22; number of electrons.

Net charge is 0 (neutral charge), because atom has same number of protons and electrons.