The successive ionisation energy values for an element ' X ' are given below I textst ionisation energy =410 kJ 2 textnd ionisation energy =820 kJ 3 textrd ionisation energy =1100 kJ 4 textth ionisation energy =1500 kJ 5 textth ionisation energy =3600 kJ Find out the number of valence electron for the atom ' X'

Question

The successive ionisation energy values for an element ' X ' are given below I textst ionisation energy =410 kJ 2 textnd ionisation energy =820 kJ 3 textrd ionisation energy =1100 kJ 4 textth ionisation energy =1500 kJ 5 textth ionisation energy =3600 kJ Find out the number of valence electron for the atom ' X' (A) 4 (B) 3 (C) 5 (D) 2

Tardigrade Admin · Accepted Answer

The ionisation energy values for valence electrons are comparable to remove electrons from inner shell very high amount of energy is needed. In the given values there is a biggest jump between IE 4 and IE 5. Hence, there are four valence electrons for the atom X.

Q. The successive ionisation energy values for an element ' X ' are given below Ist ionisation energy =410kJ 2nd ionisation energy =820kJ 3rd ionisation energy =1100kJ 4th ionisation energy =1500kJ 5th ionisation energy =3600kJ Find out the number of valence electron for the atom ' X'

4

3

5

2

The ionisation energy values for valence electrons are comparable to remove electrons from inner shell very high amount of energy is needed. In the given values there is a biggest jump between IE4​ and IE5​. Hence, there are four valence electrons for the atom X.

The ionisation energy values for valence electrons are comparable to remove electrons from inner shell very high amount of energy is needed. In the given values there is a biggest jump between $I E_{4}$ and $I E_{5}$ . Hence, there are four valence electrons for the atom $X$ .