How Many Neutrons Does Mercury 204 Have?

How Many Neutrons Does Mercury 204 Have? Properties of Mercury-204 Isotope: MERCURY-204 Neutron Number (N)124 Atomic Number (Z) 80 Mass Number (A) 204 Nucleon Number (A) 204 What is the atomic mass of mercury 204? Isotope Atomic Mass (uncertainty) [u] Abundance (uncertainty) 202Hg 201.970 644(5) 0.2974(13) 204Hg203.973 494(3) 0.0682(4) How many electrons are in an