Which of the following groups of elements is arranged in order of increasing electronegativity?

a. Br < Li < C

b. K < Mg < O

c. Na < K < N

d. Mg < Li < C

e. Ca < Cl < C

2 answers

EN increases to the right in the table and down a column.
The answer is B.
Electronegativity increases as it goes from Left to Right, and as you go up.