Answer:Noble gases:
are highly reactive.
react only with other gases.
do not appear in the periodic table.
are not very reactive with other elements.
Explanation:Noble gases:
are highly reactive.
react only with other gases.
do not appear in the periodic table.
are not very reactive with other elements.
Density<span> is </span>defined<span> as the ratio between mass and volume or mass per unit volume.
Source is google
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The physical process of evaporation involves water and the sun
Definition of a compound
A substance made up of atoms from two or more elements that are chemically bonded together
