Assuming that "least nonmetallic" means the same as "most metallic", francium.
O stands for the element Oxygen. It is a nonmetallic element and the third most abundant element in the universe.
bromine
bismuth
Try Bromide
oxygen
Metallic
Diamond is not an element. It is a form of carbon, and carbon is nonmetallic.
This element is sulfur.
Yes, it is.
The nonmetallic character begin with silicon and increase to right.
Fluorine
Sulfur
Nitrogen is a common nonmetallic element that is normally a colorless, odorless, tasteless inert diatomic gas. Sulfur is an abundant tasteless odorless multivalent nonmetallic element.
O stands for the element Oxygen. It is a nonmetallic element and the third most abundant element in the universe.
Silicon
Sulphur
Chlorine (Cl) is a nonmetal.