atomic simbol-atomic name-atomic no.-atomic mass-proton-electron-neutron
1.Hg-Mercury-80-200-80-80-180
2.Mg-magnesium-12-24-12-12-12
3.Be-berrylium-4-9-4-4-5
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atomic simbol-atomic name-atomic no.-atomic mass-proton-electron-neutron
1.Hg-Mercury-80-200-80-80-180
2.Mg-magnesium-12-24-12-12-12
3.Be-berrylium-4-9-4-4-5