1 Hydrogen charging car batteries, Zeppelin dirigibles, hydrogen bombs, welding, water (H20) and all hydrocarbons
2 Helium birthday balloons and blimps, oxygen mix for deep ocean diving, inert gas for welding, lasers
3 Lithium batteries for camera and computers, grease for car distributer arm, pyrotechnics, manic-depressive illness medicine
4 Beryllium emeralds and beryl gems, copper and brass alloys, x-ray windows
5 Boron borax for laundry and tanning animal skins, pyrex glass, boric acid eyewash and ant control, fancy fly fishing rods, dietary mineral supplements, Death Valley
6 Carbon charcol, graphite powder and fibers, diamond, coal, CO2, carbonated drinks, gunpowder, the basis for organic chemistry and life
7 Nitrogen air, nitrates in hot dogs, ammonia, smog, manure, fertilizer, saltpetre, gunpowder, TNT, fireworks, nitro fuel, inert gas, amino acids and protein
8 Oxygen air, rust and other oxides, welding, the basis of combustion and life, ozone, LOX rocket fuel
9 Fluorine drinking water additive, toothpaste, teflon, freon in old refrigerators and air conditioners, etching glass
10 Neon neon lights, gas lasers, cryogenic refrigerant
11 Sodium table salt, sodium-vapor street lights, almost all foods (too much)
12 Magnesium epsom salts, sparklers and fireworks, flash bulbs, milk of magnesia, mag wheels, survival fire starter, chlorophyll, dietary mineral supplements
13 Aluminum foil, cooking pots, engine blocks, bike frames and airplane bodies, telescope mirrors
14 Silicon sand, quartz, glass, sandpaper, computer chips, silicone sealant, grease, and implants
15 Phosphorus match heads, pyrotechnics, bones, bonemeal fertilizer, breakfast cereal, carbonated drinks, steel alloys
16 Sulfur matches, farts, egg yolks, rotten egg smell, vulcanized rubber, gunpowder, dried fruit, volcanoes and hot springs, car batteries
17 Chlorine bleach, most swimming pools and hot tubs and city water, freon, table salt, PVC pipe
18 Argon 1% of air, light bulbs and fluorescent bulbs, inert gas for welding
19 Potassium saltpeter, wood ashes, fertilizer, bananas, pyrotechnics, gator-aide, low-sodium salt substitute, dietary mineral supplements
20 Calcium milk, bones, teeth, baking soda, cement, plaster, lime, chalk, limestone, hard water, dietary mineral supplements
21 Scandium added to mercury vapor lamps for natural light
22 Titanium expensive bike and airplane parts, white paint, dietary mineral supplements
23 Vanadium tool steels, small amounts in dietary mineral supplements
24 Chromium trim and bumpers on cars, chro-moly bike frame, stainless steel, chrome yellow paint, tanning leather, dietary mineral supplements
25 Manganese black powder in flashlight batteries, contaminant in my drinking water, steel alloys, black pigment, dietary mineral supplements
26 Iron most abundant metal, steel beams, frying pans, tools, nails, blood, spinach, dietary mineral supplements
27 Cobalt cobalt blue paint, magnets in good headphones, alnico magnets, alloys for jet engines
28 Nickel silverware, stainless steel, alnico magnets, nickles?, ni-cad and ni-mh batteries
29 Copper electrical wires, good cooking pans, water pipes, blue and green paints
30 Zinc galvanized metal, brass, flashlight battery cases, zinc oxide cream, solder, dietary mineral supplements, pennies?, dietary mineral supplements
31 Gallium semiconductors, gallium-arsenide LEDs for lasers, low-melting alloys
32 Germanium semiconductors, classic diode for crystal radio, dental alloys, special glass
33 Arsenic ant poison, "Arsenic and Old Lace", paris green paint, gallium-arsenide LEDs for lasers, pyrotechnics
34 Selenium solar cells, electrical rectifiers, concentrated by loco-weed, tiny amount in dietary mineral supplements
35 Bromine BromoSeltzer and AlkaSeltzer antacids, sedatives ("bromides"), gasoline additive?
36 Krypton Superman's nemesis, flash lamps for high-speed photography
37 Rubidium photocells, special glass
38 Strontium red fireworks, in 1950s kids and penguins from nuclear fallout, tracer bullets, optical glass
39 Yttrium red phospher in TV tubes, lasers, metal alloys, new Coleman lantern mantles, artificial diamonds
40 Zirconium zircon gems?, superconductor magnets, surgical steel, lighter flints, nuclear reactor alloys
41 Niobium tool steel additive, superconductor magnets, arc-welding rods
42 Molybdenum cro-moly bike frame, stainless steel, high temperature grease, small amount essential for plants, dietary mineral supplements
43 Technetium medical imaging?
44 Ruthenium alloys for electrical contacts
45 Rhodium car catalytic converters, electrical contacts, special alloys
46 Palladium removes color from gold to make white gold, dental crowns, electrical contacts
47 Silver jewelry, money, photography, silver solder, eye medicine, burn dressing, cloud seeding
48 Cadmium cds light sensor, expensive paint pigment, ni-cad batteries, color TV tubes
49 Indium photocells, low-temperature solders and alloys, semiconductors
50 Tin tin can lining, solder, white metal D&D figures and model parts, pewter, old toys, tinfoil
51 Antimony infrared diodes, match heads?, tracer bullets, white metal
52 Tellurium semiconductors, glass colorant, vulcanizing rubber, daylight lamps
53 Iodine disinfectant medicine, iodized salt, kelp, dietary mineral supplements, photography, cloud seeding, fingerprints
54 Xenon electron tubes, strobe lights, camera flashes, fluorescent lights, light bulbs?
55 Cesium super-accurate atomic clocks, photoelectric cells
56 Barium drink before digestive tract x-ray, white paint, pyrotechnics
57 Lanthanum carbon-arc lighting for movies
58 Cerium Coleman lantern mantles (w/ Thorium), catalyst in self-cleaning ovens, carbon-arc lighting, lighter flints
59 Praseodymium welding goggles, carbon-arc lighting for movies
60 Neodymium welding goggles, special glass, lasers, powerful magnets
61 Promethium
62 Samarium magnets in expensive Sony headphones, carbon-arc lighting for movies
63 Europium red phospher in TV tubes (as europium-activated yttrium vanadate!)
64 Gadolinium TV tubes, enhances images in patients undergoing MRI scans, CD disks?
65 Terbium lasers, semiconducters
66 Dysprosium lasers, CD disks?
67 Holmium alloys?, glass colorant
68 Erbium photographic filter?, glass colorant
69 Thulium alloys?
70 Ytterbium lasers?
71 Lutetium alloys, chemistry catalysts
72 Hafnium special metal alloys, reactor control rods for nuclear submarines, vacuum tubes
73 Tantalum expensive capacitors in electronics, surgical sutures and plates, high temperature steels, camera lenses
74 Tungston light bulb and tube filaments, car distributer points, tungston-carbide saw blades, fluorescent lights
75 Rhenium electrical contacts, thermocouples
76 Osmium detect fingerprints, alloy for fountain pen tips
77 Iridium trace in rocks at end of dinosaur age, coating on some Oakley sunglasses?, high temperature crucibles
78 Platinum expensive jewelry, instrument probes, spark plugs, missile nose cones, jet engine fuel nozzles, blonds and credit cards!
79 Gold jewelry, money, bullion, printed circuit board connectors, gold teeth, coating satellites
80 Mercury thermometers, mercury switches, tooth filling amalgam, explosives, mercury-vapor lamps, small batteries, seafood and too much water
81 Thallium old rat and ant poison, semiconductors, special glass
82 Lead fishing weights, car batteries, lead gasoline, Roman plumbing, solder, radiation shields, bullets, crystal glass, white pigment for paint
83 Bismuth thermocouples, cosmetics
84 Polonium used on brushes for removing dust from photographic films
85 Astatine
86 Radon dangerous gas in Rincon shale in Santa Barbara foothills can collect in houses
87 Francium
88 Radium old glowing watch hands, cancer treatment
89 Actinium
90 Thorium Coleman lantern mantles (w/ Cerium), alloys with magnesium and tungsten, special camera lenses
91 Protactinium
92 Uranium nuclear fuel rods, atom bombs, armor piercing bullets, yellow glass, photographic toner