Once I had the idea in my head I used the advice from the How to Make a $1,000 a Month Business course and validated it by seeing if anyone would be willing to buy my product before I invested any time or money into it.
Interesting facts Argon is created when the potassium in the earth's crust decays. It's the most abundant of rare gases. It emits light when electronically excited. About .94% of the earth's atmosphere contains argon.
Argon has eight valence electrons. Its electron configuration is 1s2 2s2p6 3s2p6, so it has three filled electron shells of 2, 8 and 8. The atomic number of argon is 18.