Because the element has 8 valence electrons, this means that this element is a Nobel Gas. Also, this element has 18 protons meaning that this element is Argon.
The best description for this element would be Argon, a Nobel Gas with 18 protons.
Personification because <span>the attribution of a personal nature or human characteristics to something nonhuman, or the representation of an abstract quality in human form.</span>
It was around the 1960s Im 95% sure.
