Chlorine (cl) is in group 17. this
a) forms a salt when combined with a metal
b) has 17 electrons
c) has 17 electron shells
d) dose not react with other elements

i think that is new experiments yield untrustworthy data and should be carefully considered, because you don't know what will happen with the experiments.

i got you i did it ya know what it is just needing to fill this in for a quick task!