Apply the **$n+l$ rule** and pick the orbital with t… |

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Q20Short3 marks2022 · Annual

Question

n+l

(i)

3d, 4s

(ii)

2p, 3s

(iii)

6p, 4s\text{.}

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2.3Rules of Electronic Configuration

Learning outcomeC-11-B-01Sign in for progress

Describe that, each atomic shell and subshell are further divided into degenerate orbitals having the same energy.

Learning outcomeC-11-B-08Sign in for progress

Determine the electronic configuration of elements and their ions with proton numbers. (Some examples include: a). simple configuration e.g. 2,8, b). Subshells e.g. 1s2, 2s2, 2p6, 3s1 c). Students should be able to determine both of these from the periodic table and are not required to memorize these. d) Students should understand that chemical properties of an atom are governed by valence electrons).