Question

Using the periodic table only, arrange the elements in each set in order of increasing en: (a) s, o, si; (b) mg, p, as.

Answer 1

Keep in mind that:

1. Electronegativity falls as you go down the periodic table.

2. Electronegativity increases as you move towards the right side of the periodic table.

A) In increasing order: Si, S and O

B) In increasing order: As, Mg and O