Answer:
Chemical properties
Atomic number. The atomic number indicates the number of protons within the core of an atom.
Atomic mass. The name indicates the mass of an atom, expressed in atomic mass units (AMU).
Electronegativity according to Pauling.
Density.
Melting point.
Boiling point.
Vanderwaal's radius.
Ionic radius.
And many more.
Explanation:
Explanation:
the number of electrons = 8
and protons = 8 can be seen in this atom
Gases, unlike solids and liquids, have neither fixed volume nor shape. They are molded entirely by the container in which they are held.