chemistry

What kinds of elements form covalent bonds?
What kinds of elements form ionic bonds?
explain

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  1. Look at the periodic table. Those elements on the left side combine with element on the right side (Li, Na, K, Ca. Mg. Al)on the left or Cl, Br, O, N, S on the right) form ionic compounds. Elements in the middle combine with elements on the side OR left side to form covalent compounds. For example CH4, CO2 CCl4, SiO2, etc.

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