Final iodine1

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IodineIodine is looking for an Elemental Bond !

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Discovered:1811Atomic Number:53Average Atomic Mass:126.90447Classification:Non-Metal

Isotopes (37)

Iodine for those who don’t know, my stable isotope mass number is 127.

Bromine What’s up fam? Are you going to the Halogen family reunion?

I- Ay yo! Can an isotope get a shout out? Man I am the most appearing in nature!October 28, 2011

Iodine wants a bonding relationship! October 9, 2011

October 29, 2011

October 28, 2011

Iodine Learn your configuration! @Electro.net #Not SPAM!

October 9, 2011

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Information

Discovered:Discovered:1811Atomic Number:Atomic Number:53Average Atomic Mass:Average Atomic Mass:126.90447Classification:Classification:Non-Metal

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Element Classification: Element Classification: Non-Metal Group:Group: 17Period: Period: 4Family: Family: Halogen Electron Configuration: Electron Configuration: 1s2 2s2p6 3s23p63d104s2p6d105s2p5

Density: 4.93 g/cm3 Atomic Volume: 25.7 cm2/mole Melting Point: 386.85 K (113.7°C or 236.7°F)Boiling Point: 457.55 K (184.4°C or 364.0°F)Phase at Room Temperature: Solid

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Radioactive: NoElectrochemical Equivalent: 4.7348g/amp-hr Heat of Fusion: 7.824kJ/mol Incompatibilities: Ammonia, acetylene, acetaldehyde, powdered aluminum, active metals, liquid chlorine Ionization Potential

First: 10.451 Second: 19.131 Third: 33

Valence Electron Potential (-eV): -6.55

Values of ElementValues of Element

Atomic Radius: 140 pm1st ionization energy: 1008.4 kJ·mol−1

Electronegativity (Pauling scale): 2.66

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Comparasion


Halogen Family (17)-are nonmetals and occur in combined form in nature, mainly as metal halides - are found in the rocks of Earth's crust and dissolved in sea water - range from fluorine, the 13th most abundant element, to astatine, which is one of the rarest - exist at room temperature as a gas (F2 and Cl2), a liquid (Br2), and a solid (I2 and At) - have seven valence electrons - tend to gain one electron to form a halide, X- ion, but also share electrons and have positive oxidation states - are reactive, with fluorine being the most reactive of all nonmetals

Alkali Metals (Group 1)- do not occur elementally in nature - have one valence electron - have low ionization energies - form colorless ions, each with a +1 charge - are reactive metals obtained by reducing the +1 ions in their natural compounds - are stored under kerosene or other hydrocarbon solvent because they react with water vapor or oxygen in air - form water-soluble bases - are strong reducing agents - are good conductors of electricity and heat - are ductile, malleable, and soft enough to be cut with a knife - have a silvery luster, low density, and a low melting point

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What is Iodine used for?What is Iodine used for?


Common Usage : In the human body, Iodine actually nourishes the thyroid gland.

• Required in small amounts by Required in small amounts by humans. humans.

• Once used as an antiseptic, but no Once used as an antiseptic, but no longer due to its poisonous nature. longer due to its poisonous nature.

• Used as a disinfectant, in Used as a disinfectant, in pharmaceuticals, dyes, catalysts pharmaceuticals, dyes, catalysts and photography.and photography.

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Discovery


In 1811 when Bernard Courtois discovered iodine, iodine is used in some medication but the discoverer wasn’t searching for a way to cure humans. Actually, Bernard was looking for a way to kill humans. Napoleons’ army was running low on gunpowder, which is, Saltpeter (potassium nitrate—KNO3—sometimes) is a major component in gunpowder and requires an abundant source of potassium carbonate in order to be manufactured. Potassium carbonate is extracted from wood ashes, but the war had gone on so long that they’d run out of willow wood, the preferred source. Someone suggested using dried seaweed (burnt to ash).


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Final iodine1

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