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katrin2010 [14]
3 years ago
13

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

in?
Chemistry
1 answer:
belka [17]3 years ago
3 0
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
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