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Flashcards in Periodic Table and Uses Deck (57):
1

Hydrogen

1- H

Description: explosive gas, lightest element

How it is (was) used/where it is found: 90% of atoms in the universe, sun and stars, H20, life's organic molecules

2

Helium

2- He

Description: inert gas, second-lightest element

How it is (was) used/where it is found: fuel for nuclear fusion in sun and stars, balloons, lasers, supercold refrigerant.

3

Lithium

3- Li

Description: lightest metal, soft, reactive

How it is (was) used/where it is found: lightweight aluminum alloys, batteries, impact-resistant ceramic cookware (Corningware), mood stabilizer

4

Beryllium

4- Be

Description: lightweight metal

How it is (was) used/where it is found: non-sparking copper alloy tools, aerospace, X-ray windows, beryl gems: emeralds and aquamarines.

5

Boron

5- B

Description: hard black solid

How it is (was) used/where it is found: borax soap, fertilizer, stiff fibers, sports equipment (golf clubs, tennis rackets, skis), heat resistant borosilicate glass (Pyrex), semiconductors.

6

Carbon

6- C

Description: hard diamond, soft graphite

How it is (was) used/where it is found: basis of life's organic molecules, animals, plants CO2, wood, paper, cloth, plastic, coal, oil.

7

Nitrogen

7- N

Description: colorless gas

How it is (was) used/where it is found: 78% of air, organic molecules, protein, muscles, DNA, ammonia, fertilizer, explosives (TNT), refrigerants.

8

Oxygen

8- O

Description: colorless gas

How it is (was) used/where it is found: 21% of air, H20, 65% of the human body, organic molecules, blood, breathing, fire, half of earth's crust, minerals, oxides.

9

Flourine

9- F

Description: yellowish poison gas, most reactive element

How it is (was) used/where it is found: glowing fluorite, toothpaste, nonstick cookware (Teflon), CFC refrigerants (Freon).

10

Neon

10- Ne

Description: inert gas

How it is (was) used/where it is found: orange-red neon tubes for advertising signs, lasers, supercold refrigerants.

11

Sodium (Natrium)

11- Na

Description: soft metal, reactive

How it is (was) used/where it is found: salt (NaCl), nerves, baking soda, antacids, lye, soap ash, glass, papermaking, street lamps.

12

Magnesium

12- Mg

Description: lightweight metal

How it is (was) used/where it is found: chlorophyll in green plants, talc, basalt, aluminum alloys, cars, planes, bikes, flares, sparklers, antacids

13

Aluminum

13- Al

Description: lightweight non-corroding metal

How it is (was) used/where it is found: common metal, kitchenware, cans, foil, machinery, cars, planes, bikes, feldspar, granite, clay, ceramics, corundum, gems.

14

Silicon

14- Si

Description: hard metalloid

How it is (was) used/where it is found: quartz, granite, sand, soil, clay, ceramics, glass, algae, diatoms, semiconductors, computer chips, silicone rubber.

15

Phosphorus

15- P

Description: glowing white waxy solid (also red and black forms)

How it is (was) used/where it is found: bones, DNA, energy-storing phosphates (ATP), fertilizer, acids, detergents, matches.

16

Sulfur

16- S

Description: brittle yellow solid

How it is (was) used/where it is found: skin, hair, egg yolks, onions, garlic, skunks, hot springs, volcanos, gypsum, rubber, acids, papermaking.

17

Chlorine

17- Cl

Description: greenish poison gas

How it is (was) used/where it is found: salt (NaCl), bleach, stomach acid, disinfectant, drinking water, swimming pools, PVC plastic pipes and bottles

18

Argon

18- Ar

Description: inert gas

How it is (was) used/where it is found: 1% of air, most abundant inert gas on earth, light bulbs, "neon" tubes, lasers, welding gas

19

Potassium

19- K

Description: soft metal, reactive

How it is (was) used/where it is found: salts, nerves, nutrient in fruits and vegetables, soap , fertilizer, potash, matches, gunpowder

20

Calcium

20- Ca

Description: soft metal

How it is (was) used/where it is found: bones, teeth, milk, leaves, vegetables, shells, coral, limestone, chalk, gypsum, plaster, mortar, cement, marble, antacids.

21

Scandium

21- Sc

Description: soft lightweight metal

How it is (was) used/where it is found: aluminum alloys, racing bikes, stadium lamps, furnace bricks, aquamarines

22

Titanium

22- Ti

Description: strongest lightweight metal

How it is (was) used/where it is found: aluminum alloys, racing bikes, stadium lamps, furnace bricks, aquamarines

23

Vanadium

23- V

Description: hard metal

How it is (was) used/where it is found: hard strong resilient steel, structures, vehicles, springs

24

Chromium

24. Cr

Description: hard shiny metal

Use/occurence:

25

Maganese

25- Mn

Description: hard metal
 

Occurence/use: hard tough steel, earthmovers, rock crushers, rails, plows, axes, batteries, fertilizer, amethysts

 

26

Iron (Ferrum)

26- Fe

Description: medium-hard metal, magnetic
 

Occurence/use: steel alloys are mostly iron, structures, vehicles, magnets, earth's core, red rocks, blood

 

27

Cobalt

27- Co

Description: hard metal, magnetic

Occurence/use:
 

28

Nickel

28- Ni

Description: medium-hard metal, magnetic
 

Occurence/ use:

29

Copper (Cuprum)

29- Cu
 

Description: colored metal, conducts heat and electricity well
 

Occurence/use:

30

Zinc

30- Zn

Description: non-corroding metal

Occurence/uses:
 

 

31

Gallium

31- Ga

Description: soft metal, melts on a hot day
 

Occurence/uses: semiconductors, light-emitting diodes (LEDs) (GaAs), signal lights, tiny lasers

 

32

Germanium

32- Ge

Description: brittle metalloid

Occurence/uses: semiconductors, transistors, rectifiers, diodes, photocells, lenses, infrared windows

 

33

Arsenic

33- As

Description: brittle metalloid
 

34

Selenium

34- Se

Description: brittle gray solid

Occurence/uses:

35

Bromine

35- Br

Description: dark red liquid

Occurence/uses: disinfectant, pools and spas, photo film, flame retardant, leaded gas, sedatives


 

36

Krypton

36- Kr

Description: inert gas
 

37

Rubidium

37- Rb

Description: soft metal, reactive

Occurence/uses: 
 

38

Strontium

38- Sr

Description: soft metal

Occurence/uses: 

 

39

Yttrium

39- y

Description: soft metal

Occurence/uses: phosphors in color TVs, lasers (YAG, YLF), furnace bricks, high-temperature superconductors

 

40

Zirconium

40- Zr

Description: non-corroding neutron-resistant metal

Occurence/uses
 

41

Niobium
 

41- Nb

Description: high-melting-point non-corroding metal

Occurence/uses: 
 

42

Molybdenum
 

42- Mo

Description: high-melting-point metal
 

43

Technetium
 

43- Tc

Description: radioactive, long-lived

Occurence/uses:
 

44

Ruthenium

44- Rh

Description: non-corroding hard metal

Occurence/use: electric contacts, leaf switches, pen tips, catalyst, hydrogen production


 

45

Rhodium
 

45- Rh

Description: non-corroding hard shiny metal

Occurence/uses:
 

46

Palladium

46- Pd

Description: non-corroding hard metal, absorbs hydrogen

Occurence/uses: labware, electric contacts, dentistry, catalyst, pollution control

 

47

Silver (Argentum)

47- Ag

Description: soft shiny metal, conducts electricity best of all elements

Occurence/uses:
 

48

Cadmium

48- Cd

Description: non-corroding soft metal, toxic

Occurence/use: electroplated steel, nicad batteries, red and yellow paints, fire sprinklers

 

49

Indium

49- In

Description: soft metal

Occurence/uses: solders, glass seals, glass coatings, liquid crystal displays (LCD), semiconductors, diodes, photocells


 

50

Tin (Stanum)

50- Tn

Description: non-corroding soft metal
 

51

Antimony (Stibium)
 

51- Sb

Description: brittle metalloid

Occurence/uses:

52

Tellurium

52- Te

Description: brittle metalloid
 

Occurence/use

53

Iodine

53- I

Description: violet-black solid

Occurence/uses:
 

54

Xenon
 

54- Xe

Description: inert gas
 

55

Cesium
 

55- Cs

Description: soft metal, melts on a hot day, reactive, largest stable atoms

Occurence/uses: 
 


 

56

Barium

56- Ba

Description: soft metal, absorbs X-rays
 

57

Lanthanum
 

57- La

Description: soft metal

Occurence/use: optical glass, telescope eyepieces, camera lenses, lighter flints, arc lamps