Ar is the chemical symbol for argon.
Argon is an element and all the atoms in argon are argon atoms.
argon
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.
argon
Argon is used to make argon
Curiously enough, the name of argon Is argon.
what is the difference between Shore-A Hardness & Barcol Hardness
hydrogen or heliumhydrogen or helium
no one likes your Hardness! hardness is not a good character.
The hardness of conundrum is 9 on the Moh's hardness scale
The hardness of Limonite is 4 t0 5.5 on the mohs hardness scale.