Jawabanmu

2014-07-30T15:11:10+07:00
Belerang, Bromin, Helium, Hidrogen, Karbon, Klorin, Neon, Nitrogen, Oksigen, Iodin, Forforus, dll
2014-07-30T15:16:56+07:00
- karbon ( C )
- Silikon ( Si )
- neon ( Ne )
- fosfor  ( P )
- Argon ( Ar )
- aluminium ( Al )
- oksigen ( O )
- Helium ( He )