Question

group number of fuorine​

Answer 1

Answer:

They all have 7 valence electrons (hence group 7!) in their outer shell (insert diagram or prop to show what the outer shell signifies). ... Fluorine has a higher electronegativity than Chlorine because it has one shell less than Chlorine.

Answer 2

Answer:

Fact box

Group 17 −219.67°C, −363.41°F, 53.48 K

Period 2 −188.11°C, −306.6°F, 85.04 K

Block p 0.001553

Atomic number 9 18.998

State at 20°C Gas 19F