an atom
Mercury, as in Hg is an element. It is a metal, in the transition metals, that, when in an ionic bond, holds a +2 charge - making it a cation. Or, if pertaining to astronomy, Mercury is a planet in our solar system. It is the one closest to our sun.
Technically yes, But mercury is an element ... so the molecules consist of only a single atom.
Hg is actually an element that is known as Mercury who's atomic number is 80.
Mercury is an element, which means the smallest unit is a single atom.
The atom of an element is smaller than a molecule.
"element" (2 make up a molecule)
An element, atom, crystal, compound, and molecule are all forms of matter.
One carbon atom is an element. You must have two or more atoms to make a molecule.
An atom for an ELEMENT and a molecule for a COMPOUND.
There is one atom of that element in the molecule.
Mercury is a metal element. Mass number of it is 200.
An atom is the smallest unit of matter that retains the properties of an element. A molecule is a group of atoms bonded together. An element is a substance made up of only one type of atom.