No 2 A Dan B X MIPA SEMESTER 1 kimia
Kimia
ridwanhaigunawan
Pertanyaan
No 2 A Dan B X MIPA SEMESTER 1 kimia
1 Jawaban
-
1. Jawaban ismyisname
2A. Proton = 19
Elektron = 19 + 1=20
Neutron = 39-18 = 21
2B. Proton = 2+6=8
Elektron = 8
Neutron = 16-8=8