Halogens (Group 17)

Alley Slaughter,Kevin Gonzalez,Tehya Turner-moore

ELEMENTS IN THIS GROUP

Fluorine,Chlorine,Bromine,Iodine,Astatine

Fluorine

a) Name of element:Flourine

b) Symbol of element:F

c) Atomic Number of element:9

d) Atomic Mass of element:19

e) Picture of element's atomic structure:

f) How many valence electrons does this element have?:7

g) What are the uses for this element? Dentist use this when cleaning teeth

h) Who discovered this element? Henry Moissan

Chlorine

a) Name of element=chlorine

b) Symbol of element=CI

c) Atomic Number of element=17

d) Atomic Mass of element=35.453

e) Picture of element's atomic structure =

f) How many valence electrons does this element have?

answer:7

g) What are the uses for this element?

answer: it is is used in cleaning products

h) Who discovered this element?

answer: carl wilhelm scheele

Bromine


a)Name of element=bromine

b)Symbol of element=Br

c)Atomic Number of element=35

d) Atomic Mass of element=80

e) Picture of element's atomic structure

f) How many valence electrons does this element have?

g) What are the uses for this element?=to make photograghy

h) Who discovered this element?Antoine Jérôme Balard Leopold Gmelin


Iodine

a) Name of element Iodine

b) Symbol of element:I

c) Atomic Number of element:53

d) Atomic Mass of element:127

e) Picture of element's atomic structure

f) How many valence electrons does this element have?53

g) What are the uses for this element? Iodine reduces thyroid hormone and can kill fungus, bacteria, and other microorganisms such as amoebas.


h) Who discovered this element? Bernard Courtois


astatine

a) Name of element =Astatine b) Symbol of element=At

c) Atomic Number of element=85

d) Atomic Mass of element 210

e) Picture of element's atomic structure

f) How many valence electrons does this element have?

answer:7

g) What are the uses for this element?=it is used in nail polish

h) Who discovered this element?=dale corson

What do they have in Common

They all have 7 valence Electrons