Question

<!--td {border: 1px solid #cccccc;}br {mso-data-placement:same-cell;}--> Define radicals.

Answer 1

<!--td {border: 1px solid #cccccc;}br {mso-data-placement:same-cell;}--> A radical is an atom or a group of atoms of the same or of different elements that behaves as a single unit with a positive or negative charge.[1 Mark]