In each of the following groups, which element is the most electronegative? Which is the least electronegative? (Give the element symbol as your answer.)
most electronegative | least electronegative | |
(a) F, Na, Br | ||
(b) Mg, Ca, Rb | ||
(c) N, Br, S |
Electronegativity increases across a period on moving from left to right and decreases on moving down the group from top to bottom.
Most electronegative less electronegative
a. F,Na,Be. F. Na
b. Mg,Ca,Rb. Mg. Rb
c. N, Br,S. N. S
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