Electronic configuration of an element is $1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}3d^{5}4s^1$. Total number of electrons present in M shell of this element is:

Q. The electronic configuration of an element is $1s^2,2s^2,2p^6,3s^2,3p^6,3d^5,4s^1$. This represents its

Q. Name the elements with the following electronic configuration.
${1s}^2{2s}^2{2p}^6{3s}^2{3p}^6{3d}^6{4s}^1$

Q.

If the electronic configuration of an element is $1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}3d^{2}4s^2,$ the four electrons involved in chemical bond formation will be ---------

Q. The group of the element with electronic configurations: ${1s}^2{2s}^2{2p}^6{3s}^2{3p}^6{4s}^2$ is 2. If true enter 1, else enter 0.

Q. Electronic configurations of three elements, A, B and C are given below.

A: $1s^{2}2s^{2}2p^6$

B: $1s^{2}2s^{2}2p^{6}3s^{2}3p^3$

C: $1s^{2}2s^{2}2p^{6}3s^{2}3p^5$

The bond between B and C will be