October 2018 1 73 Report
Simbol Nomor Atom Nomor Massa Jumlah = Proton neutron Elektron

Si 14 28 ...... .... ......
P .... .... 15 16 .....
F .... .... ...... 10 9
Ne ..... 20 .... .... 10
Ca 20 .... .... 20 ...
Ar 18 .... ..... 22 ....
Rn .... 222 86 .... ...
U ..... .... .... 146 92
He 2 ..... ..... 2 ...
Mg .... 24 .... ... 12
CI 17 35 .... ... ...
Cr ... ..... 24 28 ....
As 33 ..... .... 42 ....
Hg 80 200 ... ... ...
Cu .... 63 29 ... ...




*kakak-kakak, please, tolong bantuin ngerjain pr kimia aku yakk.. lumayan kan poin nya 40, ntar kalo kakak" berhasil nge jawab ntar aku tambahin lagi 10 poin, mohon kakak" soalnya ini di kumpul besok, :)*

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