there are 18 in an ARGON.
Argon has the fewest protons among the elements listed, with 18 protons. Chlorine has 17 protons, nitrogen has 7 protons, and krypton has 36 protons.
Catherine of Arogon was born in Spain
Aragon
Spain
Catholic.
The symbol for Arogon is Ag, but it used to be A.Answ2. Argon has the symbol Ar, (and referring to the above, Silver (Argentum) has the symbol Ag.I don't know of an Arogon, but there used to be an Aragon in French and Spanish history. And commemorated in US place-names.
Argon is roughly 0.9% of dry air.
Argon is a non metal element. Atomic mass of it is 40.
Osmium has as many protons as it needs
Nitrogen 78.o8%, oxygen 21%, arogon .093% and other 1%
2 protons
It has 26 protons.