The diagram shows the structure of the compound 1,3-butadiene, CH 2 =CH-CH=CH 2 How many molecules of hydrogen are needed to saturate one molecule of 1, 3 - bu butadiene ? A 1 B2 C 3 D4

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.

quartz

explanation:

the answer is barium and copper bromide

what is the question here. i think you messed up.