Answer:
Air is a qualified element
A) if you have a period table handy it’s the number in the top left hand corner of the element
Here Is A Sentence You Could Possibly Use:
"Hydrogen and Nitrogen are two examples of non-metals."
(You can replace the two given elements with whatever two non-metallic elements you like.)
Hope This Helps!
BTW, You May Want A Second Opinion Just In Case! :)
Hm I’m confused, if you mean what are they weighting, it’s they :)