Properties of Group 7 (The Halogens)

Question 1

-What is group 7 also called?

Answer 1

= halogens

Question 2

What kind of molecules are halogens?

Answer 2

= diatomic

Question 3

What happens to the melting and boiling points?

Answer 3

= increases
=electrons increases
= strength of vanderwall forces increases

Question 4

What happens to the electronegativity going down the group?

Answer 4

= decreases
= sheilding increases
= size of atom increases
= protons increases

Question 5

What does flourine appear as in room temperature and pressure?A

Answer 5

= very pale yellow gas
= highly reactive

Question 6

What does chlorine appear as in room temperature and pressure?A

Answer 6

= greenish reactive gas
= posionous in higher concentrations

Question 7

What does bromine appear as in room temperature and pressure?A

Answer 7

= red liquid
= dense/brown orange fumes

Question 8

What does iodine appear as in room temperature and pressure?A

Answer 8

= shiny grey solid releases purple hases