GROUP 17

HALOGENS

• F, Fluorine
• Cl, Chlorine
• Br, Bromine
• I, Lodine
• At, Astatine

MYSTERY ELEMENY

• It is a nonmetal
• It has more protons than F
• It has Less protons tnan I

FLUORINE

• Melting,-363.3F boiling,-306.7°F point
• It is a flamable gas
• when it reacts to water it produce oxygen orozone
• Atomic mass 18.9984, atomic # 9
• Fluorine was first isolated by Moissan in 1886AD

Cholorine

• Melting,-150.7,boiling,-30.27
• It can react with other elements
• Chlorine reacts with water to produce hypochlorite
• Atomic mass 35.453, atomic #17
• discovered in 1774 by Carl Wilhelm Scheele

Bromine

• Boiling,137.8Fmelting, 19.04 F
• It is not flamable
• Bromine reacts with water to produce hypobromite
• Atomic mass 79.904,atomic # 35
• Carl Jacob Löwig and Antoine Jerome Balard discovert the element

Iodine

• Melting 236.3 F,boiling 363.2F
• It iS a flameble liquid
• When it reacts with water it produce hypoidite
• Atomic # 53,atomic mass126.90
• Bernard Courtois was born in Dijon, France discovred the element

FLUORINE,BROMINE

CHLORINE,ASTATINE

FLUORINE

CHLORINE

BROMINE

IODINE

ASTATINE