The number of protons, electrons, and neutrons in Chromium, Vanadium, Lead, and Barium have been provided.
Chromium: Protons: 24, Electrons: 24, Neutrons: 28
Vanadium: Protons: 23, Electrons: 23, Neutrons: 28
Lead: Protons: 82, Electrons: 82, Neutrons: 125
Barium: Protons: 56, Electrons: 56, Neutrons: 81
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