Three rules govern the manner in which electrons are arranged when atoms are in the ground state. The names given to these three rules are shown on the left below. Use the drop-down options provided to give the explanation for each of these rules.

Consider the 4s electron(s) of Cu. Find the values of the following quantum numbers:

(i) Principal quantum number (n);

(ii) Angular momentum quantum number (l);

(iii) Magnetic quantum number (ml);

(iv) Spin quantum number (ms); 

Which of the following is dyz orbital?

Gallium

has a condensed electron configuration of [Ar] 4s

Write the condensed electronic configuration of O^2-.

Hint for answering: the condensed electronic configuration of carbon is [He]2s2 2p2

Write out the full electronic configuration for Mg²⁺.

Hint for answering: The full electronic configuration of Na is 1s2 2s2 2p6 3s1

Write the condensed electronic configuration of Al⁺⁺⁺.

Hint for answering: the condensed electronic configuration of carbon is [Noble gas] 2s2 2p2 or [Noble gas]

Which of the following cations have the same electron configuration as Ne?