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Boron

Is the fifth element of the periodic table.  It has a brownish/black colour and is a group 3 element, it is unreactive when in it's in it's crystal form, but otherwise it is reactive.

Is the fifth element of the periodic table.  It has a brownish/black colour and is a group 3 element, it is unreactive when in it's in it's crystal form, but otherwise it is reactive.

Symbol: B

Atomic Mass: 10.811

Atomic Number: 5

Electronegativity: 2.04

Electrons per shell: 2,3

Melting point: 2300 degrees C

Discoverer:  Sir Humphry Davy,

J.L Gay-Lussac

Symbol: B

Atomic Mass: 10.811

Atomic Number: 5

Electronegativity: 2.04

Electrons per shell: 2,3

Melting point: 2300 degrees C

Discoverer:  Sir Humphry Davy,

J.L Gay-Lussac

 - Boron is a metalloid, it has no magnetic properties.

 - It is similar to the other group 3 elements - having 3 valence electrons, but it is different from the other group 3 elements because unlike the others, boron is a non-metal.

 - Boron reacts best with elements from group 5.

Macau

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