Jawaban:
Proton = 20
Neutron = 20
Elektron = 20
Penjelasan:
Diketahui :
Nomor atom = 20
nomor massa = 40
Proton = Nomor atom
Neutron = Nomor massa - nomor atom
Neutron = 40 - 20
Elektron = Nomor atom
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Jawaban:
Proton = 20
Neutron = 20
Elektron = 20
Penjelasan:
Diketahui :
Nomor atom = 20
nomor massa = 40
Proton = Nomor atom
Proton = 20
Neutron = Nomor massa - nomor atom
Neutron = 40 - 20
Neutron = 20
Elektron = Nomor atom
Elektron = 20