Multiple choice

It is false that electron affinity

When an element gives off its electron and forms a positive ion, it is called electropositivity of that element.

X + e-= X- + energy

 

  1. causes energy to be released

  2. causes energy to be absorbed

  3. is expressed in eV (electron volt)

  4. involves formation of an anion

  5. decreases down a group

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

A negative ion is formed when an electron is added to a neutral atom. The energy released during this process is called electron affinity of that atom.