Multiple choice

The most electronegative element of the periodic table is:

  1. hydrogen

  2. fluorine

  3. helium

  4. chlorine
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Fluorine (atomic no. 9) has only two shells in its atomic state with 7 electrons in its outermost shell. So, it it tends to gain one electron to become stable. The 7 protons present in the nucleus and small size of the atom make it possibly the most electronegative element of the periodic table.

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