Adding an atom will increase the repulsion between existing atoms and lone pairs. Added atom will result in bond pair-bond pair and bond pair-lone pair repulsion. The magnitude of the lone pair-bond pair repulsion is greater than the bond pair-bond pair repulsion. The added atom will change the electron geometry and bring about a distortion in the molecular geometry.
<span>The initial mole fraction of the hydrogen gas is the same value as the nitrogen gas due to the fact neither material consumes the other. Because of this equal ratios where mixed initially, with the outcome in volume being the same.</span>
<span>C. 5 protons, 5 electrons, and 6 neutrons</span>
