halogens trends and reactions

Question 1

are all group 7 elements metals or non-metals?

Answer 1

non metals

Question 2

how many electrons are in their outer energy level?

Answer 2

7

Question 3

halogens forming molecules consisting of 2 atoms, what are these joined by?

Answer 3

covalent bonds

Question 4

what happens to melting and boiling points as we move down group 7?

Answer 4

increase

Question 5

if an element’s boiling points are lower than 20 degrees (room temp), what state are they at room temp

Answer 5

gas

Question 6

if an elements melting point is higher than 20 degrees, but lower than 20 degrees, what are they at room temp?

Answer 6

liquid

Question 7

if an elements melting and boiling point are both higher than 20 degrees, what state are they at room temp?

Answer 7

solid

Question 8

what is rmm?

Answer 8

relative molecular mass

Question 9

what is a negative electron attracted to?

Answer 9

positive charge in atoms nucleus?

Question 10

do halogens get more reactive as we move down the table?

Answer 10

yes