nurainih
14 years ago
electron configuration = distribution of electrons in atomic shell in an atom
sun_s(hahaha)
14 years ago
ujian y besok?
nurainih
14 years ago
iya hehe
sun_s(hahaha)
14 years ago
uda kelar?
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nurainih bilang
14 years ago
belum hehe
sun_s(hahaha)
14 years ago
udah kelar?