Question

QUANTU
1. Which of the following is a valid subshell present in an atom?
a 2p
b 4d
c 5f
d All of these

Answer 1

Answer:

All of these...,.,....

Answer 2

Answer:

valid subshell present in an atom option (d) All of the above

Concept:

In an atom, electrons orbit the nucleus at various distances known as shells.

Explanation:

The four subshells are called s, p, d, and f. Different numbers of electrons can fit within each subshell.

                Subshell    Electrons

                     s                 2

                     p                 6

                      d                 10

                      f                 14

The number of subshells that make up the shell is determined by the n value. For instance, the first shell has just one subshell, called s. Therefore, it can only have two electrons.

The s and p subshells make up the second shell. Therefore, it might have 2+6=8 electrons.

A complete table for the first four shells looks like:

 Shell             Subshell            Total Number of Electrons in Shell

1st Shell                  1s                        2

2nd Shell          2s, 2p                2 + 6 = 8

3rd Shell                  3s, 3p, 3d         2 + 6 + 10 = 18

4th Shell                  4s, 4p, 4d, 4f  2 + 6 + 10 + 14 = 32

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