August 2018 1 27 Report
1)materi yg partikel trkclnya atom? a) logam emas. b) gas oksigen c) gas nitrogen d)air
2)senyawa apa saja yg tdk trssn atas ion2?
3)sebutan zat yg dgn reaksi kimia tdk dpt diuraikan lg jdi zat lain?
4)rumus kimia 2H _{2} , menyatakan?
5) ^{12} Mg _{24} . cari proton,elektron,dan neutron nya.
6) ^{20} Ca _{40} . cari proton,elektron,neutron nya.

tlong dibantu yaa...
trmksh.. :)

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