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savannah hawkins

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Savannah Hawkins

on 30 May 2013

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Transcript of savannah hawkins

Halogens Savannah Hawkins Out of all the halogens fluorine is the most reactive. The rest of the elements are reactive but not as reactive as fluorine. All of these elements are solids also they are poisonous. Halogens Information Ending Solution Pictures The halogens are five non-metallic elements found in group 17 of the periodic table.
The term halogen means salt former.
All halogens have 7 electrons in the outer shell. Fluorine Atomic#:9 Chlorine Atomic#:17 Bromine Atomic#:35 Iodine Atomic#:53 Astatine Atomic#85 Halogens Fluorine Name: Fluorine

Symbol: F

Atomic Number: 9

Atomic Mass: 18.998404 amu

Melting Point: -219.62 °C (53.530006 K, -363.31598 °F)

Boiling Point: -188.14 °C (85.01 K, -306.652 °F)

Number of Protons/Electrons: 9

Number of Neutrons: 10

Classification: Halogen

Crystal Structure: Cubic

Density @ 293 K: 1.696 g/cm3

Color: Greenish

Chlorine Name: Chlorine

Symbol: Cl

Atomic Number: 17

Atomic Mass: 35.4527 amu

Melting Point: -100.98 °C (172.17 K, -149.764 °F)

Boiling Point: -34.6 °C (238.55 K, -30.279997 °F)

Number of Protons/Electrons: 17

Number of Neutrons: 18

Classification: Halogen

Crystal Structure: Orthorhombic

Density @ 293 K: 3.214 g/cm3

Color: green Bromine Name: Bromine

Symbol: Br

Atomic Number: 35

Atomic Mass: 79.904 amu

Melting Point: -7.2 °C (265.95 K, 19.04 °F)

Boiling Point: 58.78 °C (331.93 K, 137.804 °F)

Number of Protons/Electrons: 35

Number of Neutrons: 45

Classification: Halogen

Crystal Structure: Orthorhombic

Density @ 293 K: 3.119 g/cm3

Color: Red Iodine Name: Iodine

Symbol: I

Atomic Number: 53

Atomic Mass: 126.90447 amu

Melting Point: 113.5 °C (386.65 K, 236.3 °F)

Boiling Point: 184.0 °C (457.15 K, 363.2 °F)

Number of Protons/Electrons: 53

Number of Neutrons: 74

Classification: Halogen

Crystal Structure: Orthorhombic

Density @ 293 K: 4.93 g/cm3

Color: blackish Astatine Name: Astatine

Symbol: At

Atomic Number: 85

Atomic Mass: (210.0) amu

Melting Point: 302.0 °C (575.15 K, 575.6 °F)

Boiling Point: 337.0 °C (610.15 K, 638.6 °F)

Number of Protons/Electrons: 85

Number of Neutrons: 125

Classification: Halogen

Crystal Structure: Unknown

Density @ 293 K: Unknown

Color: Unknown

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