Oxygen, Neon, Xenon, Nitrogen (just to name a few)
Hydrogen
No, selenium is a nonmetal.
Bromide is the ion of the element bromine, which is a nonmetal.
Bromine is the only nonmetal element that is a liquid at room temperature.
Fluoride is the ion of fluorine, which is a nonmetal.
it is nonmetal
nonmetal
Yes
Bromine
No, oxygen, as a nonmetal element, cannot have an expanded octet in its valence shell.
Sulfur powder is a nonmetal. It is a chemical element with the atomic number 16 and is classified as a nonmetal on the periodic table.
Nonmetal.