A tri-negative ion of an element has 8 electrons in its 'M' shell. The atomic number of the element is

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A
15

A tri-negative ion of an element has 8 electrons in its 'M' shell. so its electronic configuration in the ionic state will be 2,8,8.
Its electronic configuration in the neutral state will be 2,8,5.
Conclusion statement: Option (a) is the correct answer.

Suggest Corrections

Similar questions

(a) Write the electronic configuration of element X.

(b) What is the atomic number of element X?

(d) What type of ion will be formed by an atom of element X? Write the symbol of the ion formed.

(e) What could element X be?

A trinegative ion of an element has $8$ electrons in its M shell. The atomic number of the element is

8

Join BYJU'S Learning Program