December 2018 2 12 Report
A. ion X³ mempunyai 10 elektron, dan 14 neutron. berapaa nomor massa unsur X?
b. ion Y³+ mempunyai 10 elektron, berapa nomor atom unsur Y?
c. ion A²– mempunyai 10 elektron, berapa nomor atom unsur A?
d. ion B²+ mempunyai 12 proton, berapa nomor atom unsur B?
kak tolong d jawab y thx bsok kumpul...
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