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Question Question 4(iii)
Calcium, cobalt, nitrogen, magnesium, and silicon are some elements. Using this information complete the following.
(a) ............... is the most reactive metal.
(b) ............... is a metalloid.
(c) ............... is a non-metal.
(a) Calcium is the most reactive metal.
(b) Silicon is a metalloid.
(c) Nitrogen is a non-metal.