80 protons, 80 electrons, 121 neutrons
there are 80 protons in the nucleus of an atom of mercury
Mercury is an element, which means the smallest unit is a single atom.
an atom
Mercury is considerably more massive than palladium.
This is a chemical element. You can find the how many electron in a single atom by using a periodic table.
Mercury is a metal element. Mass number of it is 200.
121 neutrons.
A Mercury atom has 80 electrons.
Carbon is an atom.
The chemical equation for mercury(II) oxide is HgO. It is composed of one mercury (Hg) atom and one oxygen (O) atom.
Mercury has no atmosphere, so there is no gas present inside it.
Mercury is known from many thousands years; a discoverer is not known.