Hich elements are most like to form a binary ionic compound? Select one:

a.
sodium and aluminum

b.
calcium and potassium

c.
phosphorus and oxygen

d.
lithium and nitrogen

e.
hydrosulfuric acid

A pair of elements will most likely form an ionic bond if one is a metal and one is a nonmetal. These types of ionic compounds are composed of monatomic cations and anions.

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allowed for the prediction of the properties of missing elements.

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