Information and uses of elements
Answers
Answer:
Explanation:
1 H Hydrogen audio
explosive gas, lightest element
90% of atoms in the universe, sun and stars, H2O, life's organic molecules
2 He Helium audio
inert gas, second-lightest element
nuclear fusion in sun and stars, balloons, lasers, supercold refrigerant
3 Li Lithium audio
lightest metal, soft, reactive
lightweight aluminum alloys, batteries, impact-resistant ceramic cookware (Corningware©), mood stabilizer
4 Be Beryllium audio
lightweight metal
non-sparking copper alloy tools, aerospace, X-ray windows, beryl gems: emeralds and aquamarines
5 B Boron audio
hard black solid
borax soap, fertilizer, stiff fibers, sports equipment (golf clubs, tennis rackets, skis), heat-resistant borosilicate glass (Pyrex©), semiconductors
6 C Carbon audio
hard diamond, soft graphite
basis of life's organic molecules, animals, plants, CO2, wood, paper, cloth, plastic, coal, oil
7 N Nitrogen audio
colorless gas
78% of air, organic molecules, protein, muscles, DNA, ammonia, fertilizer, explosives (TNT), refrigerants
8 O Oxygen audio
colorless gas
21% of air, H2O, 65% of the human body, organic molecules, blood, breathing, fire, half of Earth's crust, minerals, oxides
9 F Fluorine audio
yellowish poison gas, most reactive element
glowing fluorite, toothpaste, nonstick cookware (Teflon©), CFC refrigerants (Freon©)
10 Ne Neon audio
inert gas
orange-red neon tubes for advertising signs, lasers, supercold refrigerant
11 Na Sodium audio Natrium
soft metal, reactive
salt (NaCl), nerves, baking soda, antacids, lye, soap, soda ash, glass, papermaking, street lamps
12 Mg Magnesium audio
lightweight metal
chlorophyll in green plants, talc, basalt, aluminum alloys, cars, planes, bikes, flares, sparklers, antacids
13 Al Aluminum audio or Aluminium audio
lightweight non-corroding metal
common metal, kitcheware, cans, foil, machinery, cars, planes, bikes, feldspar, granite, clay, ceramics, corundum, gems
14 Si Silicon audio
hard metalloid
quartz, granite, sand, soil, clay, ceramics, glass, algae, diatoms, semiconductors, computer chips, silicone rubber
15 P Phosphorus audio
glowing white waxy solid (also red and black forms)
bones, DNA, energy-storing phosphates (ATP), fertilizer, acids, detergents, matches
16 S Sulfur audio Sulphur
brittle yellow solid
skin, hair, eggs, onions, garlic, skunks, hot springs, volcanos, gypsum, rubber, acids, papermaking
17 Cl Chlorine audio
greenish poison gas
salt (NaCl), bleach, stomach acid, disinfectant, drinking water, swimming pools, PVC plastic pipes and bottles
18 Ar Argon audio
inert gas
1% of air, most abundant inert gas on Earth, light bulbs, "neon" tubes, lasers, welding gas
19 K Potassium audio Kalium
soft metal, reactive
salts, nerves, nutrient in fruits and vegetables, soap, fertilizer, potash, matches, gunpowder
20 Ca Calcium audio
soft metal
bones, teeth, milk, leaves, vegetables, shells, coral, limestone, chalk, gypsum, plaster, mortar, cement, marble, antacids
21 Sc Scandium audio
soft lightweight metal
aluminum alloys, racing bikes, stadium lamps, furnace bricks, aquamarines
22 Ti Titanium audio
strongest lightweight metal, heat-resistant
aerospace, racing bikes, artificial joints, white paint, blue sapphires
23 V Vanadium audio
hard metal
hard strong resilient steel, structures, vehicles, springs, driveshafts, tools, aerospace, violet sapphires
24 Cr Chromium audio
hard shiny metal
stainless steel (Fe-Cr-Ni), kitchenware, nichrome heaters, car trim, paints, recording tape, emeralds and rubies
25 Mn Manganese audio
hard metal
hard tough steel, earthmovers, rock crushers, rails, plows, axes, batteries, fertilizer, amethysts
26 Fe Iron audio Ferrum
medium-hard metal, magnetic
steel alloys are mostly iron, structures, vehicles, magnets, Earth's core, red rocks, blood
27 Co Cobalt audio
hard metal, magnetic
hard strong steel, cutting tools, turbines, magnets (Al-Ni-Co), blue glass and ceramics, vitamin B-12
28 Ni Nickel audio
medium-hard metal, magnetic
stainless steel (Fe-Cr-Ni), kitchenware, nichrome heaters, coins, nicad batteries, Earth's core
29 Cu Copper audio Cuprum
colored metal, conducts heat and electricity well
wires, cookware, brass (Cu-Zn), bronze (Cu-Sn), coins, pipes, blue crab blood
30 Zn Zinc audio
non-corroding metal
galvanized steel, brass (Cu-Zn), batteries, white paint, phosphors in TVs and lamps, fertilizer
Answer:
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