HYDROGEN,BROMINE,AND CARBON

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HYDROGEN

• Group 1a
• 1s1
• H- is a common ion of Hydrogen
• Gains 1 electron
• 1s2 is the electron configuration of H-

HYDROGEN

• Gas at 25 degrees Celsius
• Density: 0.00008988 grams per cubic centimeter
• 1 and the abundance is 99.9885%: 2 and the abundance is 0.0115%
• Common Compounds: H2O- water, NH3- ammonia, HCL- hydrochloric acid
• Common forms of Hydrogen: ammonia and fossil fuel processing

HYDROGEN FACTS/USES

• It is the most abundant element in the universe
• The sun converts Hydrogen into Helium releasing a lot of energy
• It is used to convert oil into margarine or butter
• Balloons and airships in the 1700s used Hydrogen to fill their ships because it is the lightest element

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CARBON

• group 4a
• density: 2.2670 grams per cubic centimeter
• solid at 25 degrees Celsius
• 1s2 2s2 2p2

CARBON

• Common isotopes & abundance: C12 98.89%, C13 1.11%
• Important Compounds: CO2, CO, CS2, CCl4
• Important Forms of Carbon: Graphite and Diamonds
• Common ionic charges: Gains 4 electrons when bonding
• electrons gained/lost: does not gain or lose any on their own, only when they are bonding

CARBON FACTS/USES

• Cabon occurs in all living organisms
• It is the cause of global warming
• Known to form nearly 10 million compound s
• Makes up 18.5% of the human body's mass

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BROMINE

• group 7a
• 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p5
• Density: 3.11 grams per cubic centimeter
• Is a liquid at 25 degrees Celsius
• Comon isotopes & abundance: 79- 50.69%, 81- 49.31%

BROMINE

• Common ionic charges: Bromide Br-
• Has a -1 charge
• Halogen
• Common compound: Bromide Dioxide BrO2
• Common form: mostly gas

BROMINE USES/FACTS

• used in water purification in swimming pools
• also can be used as bleach
• It is a toxic sunstabnsce and can cause corrosive burns when exposed to skin
• Ancient purple dye called Tyrian purple is a Bromine compound