Most of the mass of an atom is concentrated in the nucleus of the atom and is made up of protons and neutrons. The neutrons and protons have a weight that account for the mass of an atom.
Jawaban:1 pada tanggal 10 April 20242 arus balik di perkirakan berlangsung mulai H-7 dan arus balik pada H+5 liburan hari besar dan cuti bersama 3 selama H-144 pada tanggal H-2