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When we write the formula for an ionic compound, we are merely indicate the "molecules" in the compound with that formula. explain?

User Natanavra
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When writing an ionic compound formula, a "molecular" form is used. The formula is made with allowance for ion charges.
For example,
Ca²⁺ and NO₃⁻ ⇒ Ca(NO₃)₂
Al³⁺ and SO₄²⁻ ⇒ Al₂(SO₄)₃
User Steve Brisk
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