Question

What does 2n^2 denote? Explain with help of examples.

Answer 1

Explanation:

here n is any veriables in which you can put any number and solve it.

for example:-

let x =2

putting value of x

2×2^2

2×4

=8

...hope you understand....

Answer 2

Answer:

It denotes the number of electrons in each orbit(i.e. K , L , M , N shell)

Explanation:

E.g. :-

in K shell no. of electrons = 2(1)^2 = 2

in L shell no. of electrons = 2(2)^2 = 8

in M shell no. of electrons = 2(3)^2 = 18

in N shell no. of electrons = 2(4)^2= 32