Question

Staten
Statement (A): The first shell is represented by the letter K.
Statement (B): The second shell L contains 8 electrons.
Statement (C): In the fourth shell N, four sub shells are present.
a) All the above statements are correct
b) All the above statements are incorrect
c) A and B are correct but C is incorrect
d) A and B are incorrect but C is correct​

Answer 1

Answer:

(1) true

(2) 2n²=2×2²=2×4=8

(3)There are 4 subshells, s, p, d, and f.

so the required answer is a) all the above statement are correct