Periodic Elements; Hazmat; Radiation; etc.
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| show | In pure form, the elements spontaneously ignite in moist air, one in heated, dry air too; w/moderate-high explosive potential;All are 'Alkaline Metals'.(Barium+Strontium dust 'Alkaline Earth'+Zinc foil/dust'Transitional Metal'can also ignite spontaneously
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| show | Potassium, Sodium, Barium
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| show | Pneumonitis=inflammation of the lungs; Baritosis occurs from metal #1; Cyanosis(blue discoloration of skin/mucous membrane from lack of oxygen)also occurs with metal #2; Siderosis if Metal #3.
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| show | This element is 1. used as a cancer treatment in medicine; and, 2. an irradiation tool in cold pasteurization
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| What are the hazards of radioactive strontium (Sr89 and Sr90) and what is its historical significance? | show 🗑
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| show | Soda water (carbonic acid) in lines reacts with this metal, solutionizes it to high levels; causes chemical food poisoning w/i 1-2 hrs. Symptoms: nausea, headache, vomiting. Lines for this process are now plastic.
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| show | Organotins (Tin) affects these organs; Stanosis
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| This element is used in plating & soldering, to coat copper pans & wire, line lead pipe for distilled water, beer, carbonated drinks, cans | show 🗑
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| show | Characteristics of Arsenic
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| Soluble compounds of this element are highly toxic but a strong emetic, reducing hazard by ingestion; used to control nuclear fission reactions in atomic energy; poisoning causes kidney & testes necrosis, vomiting/diarrhea/cramps; pnuemonitis/emphysema | show 🗑
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| show | Characteristics of Lead
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| show | Tolerance of 0.15 mg per cubic meter air; 1.5 micrograms (0.0015 mg) per cu.meter in ambient air; 0% in foods; 0.05% in house coatings.
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| show | Manganese
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| This element exists in lumps/granules/ powder, in carbon-iron complex, or pure crystals; exists in active & passive states(valences); in highest valence or acid causes skin/tissue ulcers, affects nasal septum; bronchogenic (bronchus/bronchiole carcinoma) | show 🗑
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| show | Characteristics of Lead Poisoning
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| show | Symptoms of Lead Encephalopathy
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| What is prevalence (%) lead (Pb)in adults v. children;the max daily limits in adult v child;avg urban blood conc. in adults & action levels in child; how treated? | show 🗑
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| When was lad paint banned in interior/ext. house paint? What tool is used to assess on-site lead conc in paint? | show 🗑
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| show | Characteristics of Mercury (Hg, hydrgyrum)
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| Poisoning hazards from overexposure include gastrointestinal impairmt, inflamed mouth & gums, central nervous symptom tremors, psychological symptoms, mental retardation in children | show 🗑
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| This element destroys the natural bacterial flora in sewage wastewater treatment process, so very important to notify treatment plant of releases. | show 🗑
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| show | 1. historical result of consumption of mercury-contaminated fish from industrially polluted bay; 2. disease from historical use of Hg in "felt" (and fur)product manufacturing.
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| Class of magnesium-silicate minerals, inclu. chrysotile (Serpentine type), amosite, anthophyllite & actinolite (Amphibole type), used in bldg materials- insulation, roof/floor/ceiling tiles; brake linings;fire-resist clothes; from 1920-late 1970's. | show 🗑
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| show | 1. Scarring of the lungs from inhalation of these fibers, 2.Lung Cancer, 3. Mesothelioma: cancer caused when fibers penetrate lung or intestinal tract,lodges in mesothelium, the lining of body cavities & organs; 0.2 fibers/cc of >5 u (microns) in length
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| Acute hazards:Eye & repiratory irritant,headache,convulsions, throat edema; Chronic:Central nervous system-mental depression,nervous,weakness,>perspiration;garlic odor/taste;gastrointestinal,kidney,liver disorder;has photo-voltaic properties | show 🗑
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| show | Uses & Characteristics of Nitrates & nitrate poisoning
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| show | Characteristics of Aliphatics: 1.Alkanes (Parrafins)(branched chains make better gasoline), 2.Alkenes & alkadienes (Olefins), 3. Alkynes (Acetylenes)
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| show | Aromatics; Benzene (also Toluene);Acute=respiratory & skin irritation; Chronic: known carcinogen,central nervous system depression.
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| show | These incorporate usually Chlorine (Cl) or Bromine (Br), used in pesticides, as solvents/degreasers, and power/utiliy equipment; PCB (Polychlorobiphenyls); Acute: hepatoxin, skin & eye irritant; low chronic toxicity.
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| show | Characteristics of TCE (Trichloroethylene), a halogenated, aliphatic hydrocarbon
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| What are phenolics? What are the hazards? | show 🗑
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| What are some sources of organophosphates? What are the hazards? | show 🗑
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| show | Characteristics of Ammonia (NH3) (Note:forms explosive compounds in contact w/silver or mercury)
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| show | Characteristics of Carbon Monoxide (CO)
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| What are the symptoms of Carbon Monoxide poisoning? | show 🗑
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| show | Characteristics of Chlorine (Cl)
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| show | Toxic as tissue/skin irritant & by inhalation, dangerous in contact with reducing agents such as turpentine,ether, ammonia, hydrocarbons, hydrogen & powdered metals.
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| Colorless gas, very bad odor of rotten eggs,produced by petrol oil to gasoline "cracking" process;natural waste prod. of anaerobic decomp;bi-product of natural gas safety odorant-Mercaptan. | show 🗑
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| show | Toxic by inhalation, strong irritant to eyes/mucous membranes,affects olfactory nerves/sense of smell; very highly flammable, explosive limit in air 4.3-4.6%
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| Gas w/pungent odor,aka oxymethylene; polymerizes easily, commercially offered in 37-50% aqueous solution w/up to 15% methanol-inhibits polymerization;Tolerance=2ppm in air,toxic by inhalation;strong skin irritant;explosive limit 7-73%;uses: resins,embalm. | show 🗑
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| show | Characteristics of Methane
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| Common term for oxides of nitrogen, NO, NO2 & NO3; from combustion of fossil fuels & occur naturally from what compounds in the atmosphere? What are hazards? | show 🗑
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| show | An agent that assists &/or accelerates a process of a chemical reaction without becoming part of the reaction. Harmless carbon dioxide & nitrogen gases and water vapor result from this process.
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| show | O3; slightly pungent gas; created naturally by lightening, artificially by photo-chemical smog; 0.1-1ppm causes shortness of breath,headaches,irritation,cough; >1ppm breathing may be seriously impaired; high in atmos-blocks UV rays;depleted by CFCs
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| How is acid rain formed? What is source of Sulfur oxides in atmosphere? | show 🗑
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