Cari
Mass number
01
nomor massa, bilangan massa
the total number of protons and neutrons in the nucleus of an atom
Contoh-contoh
Helium-4 has a mass number of 4, comprising 2 protons and 2 neutrons in its nucleus.
Helium-4 memiliki nomor massa 4, terdiri dari 2 proton dan 2 neutron dalam intinya.
