For neon gas 99,999 % the price is probable approx. 100 US $ for 40 L.
Now (2016) the price of neon is cca. 33 USD/100 g.
Neon is an element
Neon is an element.
USD 30-35 per 100 grams.
Neon is a gaseous element. "1 neon" doesn't make much sense; you can have, for example, "1 liter of neon" or "1 kg of neon".
less than 1%.
neon is a colourless element
The Element Neon has 10 protons and 10 electrons.
This depends on where you buy it.
£40000
Neon from a neon sign is an element. It has the symbol Ne and is in group 18 which is noble gasses.