Arsenic

by Carlee McCallister

Discovery

Discovered in approx 1250 by Albertus Magnus.

Properties

Semi-metal, in the metalic part it is bright sliver grey, brittle

Uses

Arsenic is used for rat and insect poison, medicine, make grass, and perseveres wood.

Compounds

As2S3 (orpiment), As4S4 (realgar), As203 (Trioxide)

Atomic Number/ Atomic Mass

Atomic number is 33 and the atomic mass is 74.922

Number of each partical

33 Protons, 42 Neutrons, 33 Electrons

Nuclide Notation

Arsenic- 75

Hyphen Notation

Arsenic-33

Group name

Transition

Properties

Valence of -3, 0, +3, +5. Yellow arsenic has a specific gravity of 1.97. White grey or metallic arsenic has a specific gravity of 5.73. Grey arsenic has a melting point of 817 degree Celsius. Grey arsenic tarnishes rapidly in air, and is rapidly oxidized.

Reaction type

Arsenic does not react with water, and is stable in air.

Balanced equation

4As + 5O2 -> As4010

Mole ratio

4: 10 (4 is arsenic, 10 is oxygen)

Compound formula

H3As04

Compound name

Arsenic Acid
Big image

Type of bonding

Strong covalent bonds

Percent composition

300g/ 64 g = 5% arsenic and 95% oxyden

Acrostic Poem

A R S E N I C


Andy Ruth Saw Ethan Nagin in California