Question

Give four examples of each with its name and chemical formula:
(a) Metals that form positive ions.
(b) Non-metals that form negative ions.
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Answer 1

Answer:

a)

Sodium (Na) forms sodium ion ($Na^{+\\}$)

Magnesium (Mg) forms magnesium ion ($Mg^{2+}$)

Aluminium (Al) forms aluminium ion ($Al^{3+}$)

Lithium (Li) forms lithium ion ($Li^{+}$)

b)

Chlorine (Cl) forms chloride ions ($Cl^{-}$)

Oxygen(O) forms oxide ions ($O^{2-}$)

Phosphorus (P) forms phosphide ions ($P^{3-}$)

Fluorine (F) forms fluoride ions ($F^{-}$)

Hope this helps you......