Chem Elements Blackboard #2

Front 1

Describe Nitrite...

Back 1

1. NO2-
2. Polyion
3. Baby Blue Syndrome - intestinal fauna reduce Nitrate (NO3-) to Nitrite (NO2-).
4. Nitrite causes hemoglobin to convert to metheglobin, which does not carry oxygen and causes asphxiation.
5. Adults do not possess these intestinal fuana.

Front 2

Describe Butadione...

Back 2

1. C4H6O2 462
2. Volatile component of BUTTER and CHEESE that makes up taste and fragrance.

Front 3

Describe Americium...

Back 3

1. #95 does not occur naturally.
2. Synthetic made by bombarding Uranium and Plutonium with neutrons.
3. Smoke detectors - 1 microcurie or .28 micrograms of Am
4. Emits less Y radiation than Radium.
5. Any smoke that enters absorbs alpha particles, which disrupts current, triggering alarm.
6. More succeptible to false alarms, but more accurate than optical.

Front 4

Describe Ammonium Chloride...

Back 4

1. Ionic salt formed from Ammonium ion (NH4+) and Chloride ion (Cl-)

Front 5

Describe Hydroxylapatite...

Back 5

1. (Ca5(PO4)3(OH))
2. Found in tooth enamel and bone.

Front 6

Describe Fluoroapatite...

Back 6

1. (Ca5(PO4)3(F)
2. Found in tooth enamel to replace hydroxylapatite.
3. More resistant to tooth decay.

Front 7

Hydronium Ion...

Back 7

1. Occurs when an acid dissolves in water and ionizes.
2. Protons (H+) do not exist by themselves in aqueous solution.
3. Formation:
HCl --> H+ + Cl-
H2O + H+ --> H3O+

Front 8

Zinc...

Back 8

1. #30, transition metal.
2. Zinc ion (Zn+) is an essential component of alcohol dehydrogenase, an enzyme necessary for ethanol metabolism in the liver.

Front 9

Acetic acid...

Back 9

1. Organic acid.
2. C2H6O 260
3. 4% w/v solution of acetic acid is vinegar.
4. Glacial Acetic Acid

Front 10

Dodecane...

Back 10

1. C12H26 1226
2. Hydrocarbon component of Kerosene and Jet Fuel
3. Kerosene from fractional distillation of petroleum.
4. Distill between - 150 degree C and 275 degree C

Front 11

Benzene...

Back 11

1. C6H6
2. Component of gasoline and starting material for other organic compounds.
3. Good organic solvent
4. Human carcinogen
5. Sometimes said to dissolve in water, but not true. Only 1 g in 1L water.

Front 12

Strontium..

Back 12

1. Alkaline Earth Metal
2. Chemistry similar to Calcium, so during atomic bomb testing, strontium got into fields and contaminated milk, replacing calcium in some people's bodies.
3. Hanford, Vegas, Etc.

Front 13

Sodium Hydroxide...

Back 13

1. NaOH --> Na+ + Cl-
2. Lye or "Caustic soda"
3. Strong base

Front 14

Hydrogen Sulfide

Back 14

1. H2S
2. Rotten Egg Gas
3. 92.1 degrees bent with S in middle

Front 15

Phosphoric Acid

Back 15

1. Forms phosphate ions, important in biology
2. Polyprotic acid

Front 16

Sucrose

Back 16

1. (C12H24O12) 122412
2. Dimer - one glucose, one fructose
3. Table Sugar

Front 17

Sulfer Dioxide

Back 17

1. SO2
2. Gas at room temp and toxic.
3. Combustion of coal and petroleum, volcanoes produce SO2.
4. 119 degrees O=S=O

Front 18

Luminol...

Back 18

1. Crime scene chemical
2. Reacts with small amounts of iron in hemoglobin.
3. Can pick up trace amounts of blood at crime scenes.
4. 177 g/mol

Front 19

Ammonia..

Back 19

1. NH3, gas
2. Bacteria fix atmospheric nitrogen, making ammonia, using nitrogenase.
3. Alfalfa live in symbiotic relationship with nitrogen fixing bacteria.
4. Humans can fix nitrogen only at high temp and pressure, but bacteria do this under normal conditions.

Front 20

Nitrogen...

Back 20

1. N2, diatomic molecule
2. 2 Nitrogen held by triple bond.
3. Liquid nitrogen boils at -196 celcius and -321 Farenheit.

Front 21

Oxygen...

Back 21

1. Three forms O (atomic) O2 (diatomic) and O3 (ozone)
2. O2 is the highest quantity in atmosphere
3. O3 made when O2 combines with high energy such as lightning.

Front 22

Nitric Acid...

Back 22

1. HNO3
2. common acid, article of commerce.

Front 23

Nitrous Acid...

Back 23

1. HNO2
2. Another nitrogen containing acid.