The answer depends on what criterion is used for ranking: atomic number, atomic size, Atomic Mass, electro-positivity or negativity, boiling point, melting point, density at normal temperature and pressure, etc.
Argon is an element and all the atoms in argon are argon atoms.
The element Argon has 8 Isotopes argon-35, argon-36, argon-37, argon-38, argon-39, argon-40, argon-41 and argon-42.The stable isotopes of argon are:argon-36, 0.34%argon-38, 0.06%argon-40, 99.60%Of the radioactive isotopes argon-39 has the longest halflife at about 260 years, all the others have halflives measured in days or much less.
The chemical symbol Ar stands for Argon. Argon is a colorless, odorless, and inert gas that is commonly used in fluorescent lights and welding operations.
According to wikipedia, argon has 24 known isotopes. 40Ar is most abundant at about 99.6% of natural argon.
No, argon is not paramagnetic.
No, argon is a gas.
Argon is colourless.
Argon is colorless in any form.
argon
Argon is 1.4 times heavier than air.
Argon is a noble gas, argon is highly unreactive
what is the normal phase of the elment Argon The normal phase of the element Argon is a gas.