Răspuns:
1.Calciu-Ca
Argon-Ar
Nichel-Ni
Fier-Fe
Aluminiu-Al
Fosfor-P
Fluor-F
Titan-Ti
Potasiu-K
Mercur-Hg
2.Cobalt-Co
Siliciu-Si
Be-Beriliu
O-Oxigen
V-Vanadiu
P-Fosfor
N-Azot
Zn-Zinc
