7) The density of Cl2 gas at STP, in grams per liter, is approximately:

Make me Brilliant

Explanation:

3.2 gl

i think it's c. if you look search electronic symbol on google and then click on wiki it shows you a

substituting a hydrogen atom with a halogen in a hydrocarbon:

- the single bond remains single. a is wrong.

- the bond with hydrogen is as strong as with a halogen. c is wrong

- a hydrocarbon is saturated if there is no double bond. we do not know that so d is wrong.

- carbon will always have four valence electrons. e is wrong.

by elimination, the correct answer is b. the boiling point of the new compound increases.