Strontium is in the second column of the Periodic Table, therefore it naturally carries a 2+ charge...
Oxygen is a Chalcogen so it naturally carries a 2-
SrO
Strontium oxide is the most frequent compound with oxygen, for strontium. In vigorous conditions, the peroxide will be formed.
Strontium and oxygen can form an ionic compound, with the name strontium oxide and formula SrO.
SrO Strontium Oxide
strontium oxide
Strontium nitride is an ionic compound.
Strontium (II) difluoride
pay attention
Strontium Selenide
If strontium and tellurium form an ionic compound it would be SrTe.
Strontium chloride is an ionic compound.
Strontium bromide is an ionic compound.
Strontium nitride is an ionic compound.
Strontium (II) difluoride
pay attention
Strontium Oxide
Strontium Selenide
The formula unit for the ionic compound made of strontium and sulfur is SrS, called strontium sulfide.
If strontium and tellurium form an ionic compound it would be SrTe.
Strontium hydroxide
Strontium bromide
Strontium bromide