Multiple choice

The most reactive element among group 17 will be

Among the halogen family, if we observe the values like ionisation energies, electron affinity and electronegativity, we can predict the reactivity of an element among the group. As we see the trend, all the values decrease down the group.

  1. 9F18

  2. 17Cl35

  3. 35Br79

  4. 53I126

  5. 85At210

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Flourine will be the most reactive among halogens.