Question

In: Chemistry

Write a Formula for the ionic compound that forms from each pair of element Aluminum and...

Write a Formula for the ionic compound that forms from each pair of element

Aluminum and oxygen

Beryllium and iodine

Calcium and sulfur

Calcium and iodine

Solutions

Expert Solution

1)
Aluminum and oxygen
Al forms Al3+ ion
O form O2- ions
the compound will be Al2O3

2)
Beryllium and iodine
Be forms Be2+ ion
I form I- ions
the compound will be BeI2

3)
Calcium and sulfur
Ca forms Ca2+ ion
S form S2- ions
the compound will be CaS

4)
Calcium and iodine
Ca forms Ca2+ ion
I form I- ions
the compound will be CaI2


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