Question

Indica sirul de elemente hidroxizii carora corespund formulei generale Me(OH)2
a)Li,Be,B
b)Be,Mg,Ba
c)Li,Na,K
d)Na,Mg,Al​

Answer 1

Răspuns:

b) Be,Mg,Ba

Be(OH)2

Mg(OH)2

Ba(OH)2