Question

Помогите здача после завтра!!!

Answer 1

1. HBr - H(I), Br(I);

H2S - H(I), S(II);

PH3 - P(III), H(I);

CaH2 - Ca(II), H(I);

SiH2 - Si(II), H(I);

BH3 - B(III), H(I);

B2H6 - B(III), H(I);

KH - K(I), H(I);

GeH4 - Ge(IV), H(I);

AsH3 - As(III), H(I);

HI - H(I), I(I).

2. Na2O - Na(I), O(II);

CaO - Ca(II), O(II);

SO2 - S(IV), O(II);

CrO3 - Cr(VI), O(II);

P2O5 - P(V), O(II);

Al2O3 - Al(III), O(II);

Cl2O7 - Cl(VII), O(II).

3. Mn2O7 - Mn(VII), O(II).