Chromium forms two ions,
Cr2+
and
Cr3+
.
Part 1 of 4
What is the formula of the compound
Cr2+
forms with oxide ion,
O2−
?
Part 2 of 4
What is the formula of the compound
Cr3+
forms with oxide ion,
O2−
?
Part 3 of 4
What is the formula of the compound
Cr2+
forms with chloride ion,
Cl−
?
Part 4 of 4
What is the formula of the compound
Cr3+
forms with chloride ion,
Cl−
?