Another word for a noble gas is an inert gas. These elements have the maximum electrons in their highest energy level.
Generosity, altruism, philanthropy, magnanimity, benevolence, charity, chivalrous, noble, heroic, sublime, exalted...
inactive, inert, indifferent, neutral, stable, noble, and dormant.
My first car was a Noble. Gold and silver are noble metals.
No it shouldn't be capitalized.
The word gasoline is a noun, a thing. Gasoline is a singular, common concrete noun.
inert as in the inert gases or "noble" gases
The word covalent is not adequate for these gases.
Pure gas is not another name- inert gas is - although this is has been superseded by noble gas as chmical compounds have been discovered for the heavier noble gases since 1963.
pure or inert gasses
A person does not have to be particularly noble just to do the right thing. Her grandfather was a noble in Italy before World War I. Gases such as argon do not react readily and are called noble gases.
Noble gases do not normally form compounds.
Another name for gases inserted is injected gases.
Noble or inert gases
Noble gases do not react chemically with other noble gases.
inert gases / noble gases
Gases, hence noble "gases"
The Group 18 elements are called the noble gases or sometimes inert gases. Wikipedia has information on the noble gases, and a link is provided.