Răspunsuri

Cel mai inteligent răspuns!
2014-10-23T09:38:20+03:00
  Z= 1s1 , Z2= 1s2, (DUBLET )Z3=  1s2, 2s1 Z4= 1s2 2s2 Z5= 1s2 2s2 2p1, Z7=  1s2 2s2 2p3, Z9 = 1s2 2s2 2p5, Z10= 1s2 2s2 2p6 (OCTET)  Z=11 1s2 2s2 2p63s1, Z=15 1s2 2s2 2p6 2s2 3p3,  Z=18  1s2 2s2 2p6 3s2 3p6 (OCTET)  Z=19  1s2 2s2  2p6 3s2 3p6  4s1,  Z =20  1s2 2s2 2p6 3s2 3p6 4s2