Which headings should be used to complete this table?
?
R-X
X = F, CI, Br, 1
R-NH2
Organic solvent
Weak base
Biochemical processes
Foul-smelling
O
o
ether (left column); ester (right column)
ketone (left column); aldehyde (right column)
alkyl halide (left column); amine (right column)

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:

0.88m hope i am correct : )