How can you tell if a chemical compound is ionic or covalent by just looking at the formula?

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04-03-2020
Chemistry

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How can you tell if a chemical compound is ionic or covalent by just looking at the formula?

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Ajiduah1 Ajiduah1 · Answer 1 · 2020-03-05T16:34:03+01:00

Answer: Ionic compounds ( Metal + Non-metal), Covalent Compounds (Non-metal + Non metal ).

Explanation: Going by the definition, an ionic compound is formed when a chemical reaction occurs between a metal and a non-metal while a covalent compound is formed when a chemical reaction occurs between two non-metals.

Having a good knowledge of the periodic table, one can easily identify the metals and non-metals in each compound and thus tell if it is Ionic or Covalent.