Jawaban:
a. elektron 18, proton 18, neutron 20
b e 20, p 20, n 20
c. e 20, p 20, n 39
d. e 18, p 18, n 22
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Jawaban:
a. elektron 18, proton 18, neutron 20
b e 20, p 20, n 20
c. e 20, p 20, n 39
d. e 18, p 18, n 22