How would you find the density of a gallon of milk a. convert a gallon into cubic centimeters and then subtract the mass of the gallon of milk
b. convert a gallon into cubic centimeters and then divided by the mass of the gallon of milk
c. find the mass of the gallon of milk divided by the number of cubic centimeters in a gallon
d. find the mass of the gallon of milk and then multiply by the number of cubic centimeters in a gallon

the electronic configuration of an atom with eight electrons is 1s²2s²2p⁴. the orbital diagrams are shown in the figure.

as per the hunds rule:

1. electrons tend to avoid being in the same orbital as per as practicable.

2. electrons in different orbitals of the same energy will have their spin parallel.

this can be illustrated from the multiplicity of the orbitals of the atom. as there are four electrons in the p orbital and p orbital has 3 sub-shells. the electrons can be fed in different ways as shown in the figure but the correct orbital diagram will be as per the hunds rule.

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