Problem: The ionic substance strontium oxide, SrO, forms from the direct reaction of strontium metal with molecular oxygen. The arrangement of the ions in solid SrO is analogous to that in solid NaCl and is shown here. Write a balanced equation for the formation of SrO(s) from the elements.

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We're being asked to write a balanced equation for the formation of SrO(s) from the elements.

Strontium (Sr)

• Group 2A metal 

• naturally occurs as Strontium solid → Sr(s)

Oxygen (O)

• Group 6A

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Problem Details

The ionic substance strontium oxide, SrO, forms from the direct reaction of strontium metal with molecular oxygen. The arrangement of the ions in solid SrO is analogous to that in solid NaCl and is shown here. 

A diagram shows a three by three cube with alternating strontium and oxygen atoms.

Write a balanced equation for the formation of SrO(s) from the elements.

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