Write a formula for the ionic compound that forms between each ofthe following p

Question

Write a formula for the ionic compound that forms between each ofthe following pairs of elements.

aluminum and sulfur ??

aluminum and oxygen ??

potassium and oxygen ??

strontium and iodine ??

magnesium and oxygen ??

barium and fluorine ??

strontium and sulfur ??

beryllium and nitrogen ??

Explanation / Answer

aluminum and sulfur ??   --->Al2S3          (Al3+ and S2-) aluminum and oxygen ?? ----> Al2O3     (Al3+ and O2-) potassium and oxygen ?? ---- >K2O        (K+ and O2-) strontium and iodine ?? ----> SrI2        (Sr2+ and I-) magnesium and oxygen ?? ----> MgO  (Mg2+ and O2-) barium and fluorine ?? ---->BaF2     (Ba2+ andF-) strontium and sulfur ?? ----> SrS    (Sr2+and S2-) beryllium and nitrogen ?? ---->Be3N2 (Be2+ andN3-) it's easy to do this if you write out the anions and cations withtheir charges and then just criss cross their charges tosubscripts. hope this helped, PM or cramchat me if you have further questions:)

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