Which elements have similar chemical properties? A: Na, K, MG
B: B, Al, S
C: N, O,F
D: He, Ar, Kr

c is the answer.

Explanation:

I hope it will help u (◕ᴗ◕✿)

*tilts head* sounds more like a statement

in 1783 cavendish was working with his hydrogen gas and found that when he burned it and condensed the vapor it was water. this was very significant since it disproved the greek theory of elements completely since water was not a simple substance but the product of two gases. it was lavoisier who hearing of the experiment gave cavendish's gas the name hydrogen ("water-producer") and added that hydrogen burned by combining with oxygen and that water was a hydrogen-oxygen combination.

explanation: