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.
Hg is actually an element that is known as Mercury who's atomic number is 80.
Technically yes, But mercury is an element ... so the molecules consist of only a single atom.
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.
Mercury is a metal element. Mass number of it is 200.
There is one atom of that element in the molecule.
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.