Write formulas for compounds formed from these pairs of ions:
2 answers:
1. BaS
2. Li2O
3. Ca3N2
4.CuI2
The formulas for <span>compounds formed from these pairs of ions are as follows:
</span>1. Ba2+, S2-
BaS, 1 atom of Ba2+ is needed to have a stable compound with S2- .
<span>2. Li+, O2-
</span>
Li2O, 2 atoms of Li+ is needed to have a stable compound with O2- .
<span>3. Ca2+, N3-
</span>
Ca3N2, 3 atoms of Ca2+<span> is needed to have a stable compound with 2 atoms of N3- .</span>
4. Cu2+, I-
CuI2, 1 atom of Cu2+<span> is needed to have a stable compound with 2 atoms of I- .</span>
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