1. Halogens – Group 17 Fluorine – Tacarra Chlorine – Hap Bromine – Jade
Iodine – Raul
Astatine - Jade

2. Commonalities All are salt makers Oxidation Number is -1
All have 7 valence Electrons
All good for cleaning something

3. Chemical family album
Tacarra

4. Parents
Fluorine:
Karl Scheele
Henri Mossan

5. Birth place & Date
1771

6. halogens

7. Physical Description 1
Protons/Electrons:9

8. Physical description 2 Density:0.001696gm/cm3 Boiling point: 84.95k
Melting point: 53,53k
Heat of vapor:3.2698kj/mol
Specific Heat: 0.82j/gmk
Electron configuration: 1s²2s²2p5

9. Chemical description Valence#: 7 Ions: -1 Oxidation#:-1
Reactivity: high
LiF
NaF KF

10. Negative attributes
Poisonous

11. POSITIVE ATTRIBUTES
Toothpaste
Drinking water

12. Address
Group 7 row 2

13. Chlorine
By: Hap Sandhu

14. Discovery
Carl Wilhelm Scheele discovered chlorine in 1774 in Sweden. It is a non-metal.
Protons: 17 Electrons: 17

15. Density: g/l
Boiling Point: -34.6°C
Melting Point: °C
Fusion Heat: 6.41 (Cl-Cl)
Specific Heat: (Cl-Cl)

16. Chemical Description Valence #: -1
Ion: hypchlorite, chlorite, chlorate, perchlorate
Oxidation #: -1
Reactivity: High
Three compounds: NaCl, Carnallite, Sylvite

17. Uses Positive Negative
Chlorine is used in drinking water to make it safer for the consumer to drink.
Paper products, dyes, food, plastics, paints, and medicines are made with chlorine.
Negative
It is used in chemical warfare

18. Bromine
Halogen Family, G17 P4,

19. Bromine was discovered by Antoine J. Balard in the year 1826 in France.
It is a nonmetal.
It has 35 protons, 35 electrons, and 45 neutrons.

20. Orthorhombic Crystalline Structure Is a gas at room temperature
Boiling point: 58.78ºC
Melting Point: -7.2ºC
Orthorhombic Crystalline Structure
Is a gas at room temperature
Orthorhombic Crystalline Structure

21. Valence # - 7
Ion – Bromide
Oxidation # -1
Very reactive
Sodium Bromide, Potassium Bromide, Dibromoethane

22. Positive Attributes: Pesticides, water purification compound, flame retardant
Negative Attributes: Irritates the skin and tissues, poisons humans if somehow ingested or if it touches the skin.

23. This Section Done By:
Jade Sellers

24. Astatine

25. Was discovered by Dale R. Corson, K. R
Was discovered by Dale R. Corson, K.R. McKenzie, and Emilio Serge in the University of California, 1904.
It is a Nonmetal.
It has 85 Protons, 85 Electrons, and 125 Neutrons.

26. Boiling Point: 377.0ºC
Melting Point: 302.0ºC
7g/cm^3 density
Is a solid at room temperature.

27. Valence # - 7
Ion – unknown
Oxidation # -1
Very reactive and radioactive
Halides, Oxides, Hydrides

28. Positive attributes : radioactive tracker for cancer
Negative Attributes: highly radioactive

29. This Section Done By:
Jade Sellers

30. Sources : Fluorine

31. Works Cited : Chlorine

32. Works Cited : Bromine and Astatine