The successive ionization energies of an element are 800, 2,000, 3,600, 25,000 and 32,000 kJ/mol. The number of valence electrons are

Question

The successive ionization energies of an element are 800, 2,000, 3,600, 25,000 and 32,000 kJ/mol. The number of valence electrons are (A) 5 (B) 2 (C) 3 (D) 4

Tardigrade Admin · Accepted Answer

Since there is a sudden increase in the ionisation energy after third ionisation (ie, after the removal of third electron) the number of valence electrons is 3 .

Q. The successive ionization energies of an element are 800, 2,000, 3,600, 25,000 and 32,000 kJ/mol. The number of valence electrons are

5

2

3

4

Since there is a sudden increase in the ionisation energy after third ionisation (ie, after the removal of third electron) the number of valence electrons is $3.$

Q. The successive ionization energies of an element are 800, 2,000, 3,600, 25,000 and 32,000 kJ/mol. The number of valence electrons are

5

2

3

4

Since there is a sudden increase in the ionisation energy after third ionisation (ie, after the removal of third electron) the number of valence electrons is 3.

Since there is a sudden increase in the ionisation energy after third ionisation (ie, after the removal of third electron) the number of valence electrons is $3.$