group 18, period 3
Argon (Ar, element number 18) is the last element in the third period of the periodic table.
Argon is an element by itself.
Argon is a gas at STP.
argon
Argon and Helium are part of the noble gasses family.
Argon belongs to the family of Noble Gases.
it belongs to the noble gases
Argon (Ar, element number 18) is the last element in the third period of the periodic table.
Electrons are fundamental particles and they are the same, whatever element they belong to.
No. Argon and chlorine are two different elements. Both belong to period 3. But chlorine is a group 17 element (with 17 protons) whereas argon belong to group 18 and has 18 protons.
No the Alkali metals are in the first Group. Argon is a Noble Gas (in group 18).
The element argon was discovered in 1894.
Argon. It is an element.
Argon's an element.
argon
argon is not a compound it is an element
Argon is an element - it has no constituents.