Gary Woodrum Bromine

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by woodrumgary
Last updated 4 years ago

Discipline:
Science
Subject:
Chemical Elements
Grade:
8

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Gary Woodrum Bromine

The Chemical ElementBROMINEBy Gary Woodrum

The word Bromine is from the ancient Greek word bromos meaning "stench" It refers to its unpleasant, stinging odor.It is poisonous in fluid form and bromine vapor is destructive to the skin, eyes and respiratory tract.

PesticidesWater purifier/disinfectantAndBrominated substances are ingredients in many over-the-counter and prescription drugs, including analgesics, sedatives, and antihistamines.Other common uses of Bromine aregasoline antiknock mixturesfumigants, cell phones, plastics, poisons, dyes and photographic chemicals.

Electron Configuration1s2 2s2p6 3s2p6d10 4s2p5Electron Dot Structure

The element Bromine was discovered by two French chemists, Carl Jacob Löwig and Antoine Jerome Balard, in 1825–1826. Bromine was discovered by using sea weed from salt marshes. The ash of the sea weed was used to produced bromide chemicals.

PhotographyBromine is used in photo development and helps photographers capture light on the film.Water TreatmentBromine is used to keep pools and spas healthy and clean.

History

1. Bromine compounds are being tested for use in batteries for electric cars for zero emissions.2. Bromine is also used to reduce mercury pollution from coal-fired power plants.3. Bromine additives in some foods are believed to be a contributor to Iodine DeficiencyIt is found mainly in flour and fruit flavored drinks. Despite the warnings from the Centers for Disease Control about the serious, long-term health effects from exposure to Bromine it is still being used in food products in the US.It has been banned in Europe.

InterestingFacts

PERIODIC TABLE

Bromine is one of the Halogen group of chemicls. These are electronegative elements such as fluorine, chlorine, iodine and bromine that form binary salts by direct bonding with metals.

Salt MarshSea Weed

Forty years ago the food industry remove iodine from baked goods (flour) and replace it with bromine. This change to bromine from iodine caused wide-spreaded cases of Iodine Deficiency

Name of Element : Bromine Symbol of Element : BrAtomic Number of Bromine : 35 Atomic Mass: 79.904 amu Melting point −7.2°C, 19°F Boiling point 58.8°C, 137.8°F Number of Protons/Electrons in Bromine : 35 Number of Neutrons in Bromine : 45Crystal Structure: OrthorhombicDensity @ 293 K: 3.119 g/cm3Color of Bromine : reddish-brownIts state at room temperture is liquid IT IS TOXIC AND CORROSIVE!

Properties

Uses

VIDEO

Dmitri Mendeleev is credited with developing the Perdioc Table with its symboles and properties


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