Question

State the group and period of the element having three shells with three electrons in valence shell

Answer 1

Answer: The group number is 13 and period is 3.

Explanation:

An element which has three shells (it means that n = 3) with three electrons (it means that 3 valence electrons).

The value of principle quantum number denotes the period in which an element belongs. Thus, this element belongs to Period 3.

The valence electrons of this element are 3. The last electron is entering p-sub-shell. Thus, it belongs to p-block. The group number for this element = Number of electrons + 10 = 3 + 10 = 13.

Thus, this belongs to Group 13.

Answer 2

13 th group and 3rd period are having 3 shells with 3 electrons in valence shell

I hope ts helps ....

mark me as brainliest...

plzz follow me...