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CINE MA POATE AJUTA???? URGERNT

CINE MA POATE AJUTA URGERNT class=

Răspuns :

Moonlight01
C, Z =6 ; 1s2 / 2s2 2p2 sau K2,L4
N, Z = 7; 1s2 / 2s2 2p3 +3e => 1s2/2s2 2p6/ (N^-3) sau K2,L5 +3e=> K2,L8 (N(-3)) [ion]
O, Z = 8 ; 1s2/ 2s2 2p4 +2e => 1s2/2s2 2p6/ (O^-2) [ion]
F, Z=9 ; 1s2/ 2s2 2p5 +1e => 1s2 / 2s2 2p6/ (F^-) [ion]

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