Jawabanmu

2014-08-26T21:16:11+07:00
2014-08-26T21:51:33+07:00
N=3;l=2;m=+2;s=+1/2
=> 3d5
=>1s2,2s2,2p6,3s2,3p6,4s2,3d5
=>25
*jadi nomor atomnya 25 karena nomor atom=nomor elektron