20 common elements with symbol and uses
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| Element Name |
 |
|
| Element Symbol |
 |
|
| Atomic Number |
 |
|
| Element Uses |
 |
|
| Hydrogen |
H |
1 |
blimps, fertilizer, rocket fuel |
| Helium |
He |
2 |
balloons, blimps, scuba divers |
| Carbon |
C |
6 |
pencils, coal, diamonds |
| Nitrogen |
N |
7 |
78% of air, liquid coolant |
| Oxygen |
O |
8 |
cells need it, fire, steel |
| Sodium |
Na |
11 |
street lights, batteries, soda |
| Aluminum |
Al |
13 |
doorknobs, foil, cable |
| Silicon |
Si |
14 |
solar cells, tools, microchips |
| Sulfur |
S |
16 |
matches, fireworks, batteries |
| Chlorine |
Cl |
17 |
water purification, bleach, hydrochloric acid |
| Potassium |
K |
19 |
fertilizer |
| Calcium |
Ca |
20 |
batteries, plaster of Paris |
| Iron |
Fe |
26 |
bikes, cars, nails |
| Nickel |
Ni |
28 |
coins, silverware, white gold |
| Copper |
Cu |
29 |
cable, wire, water pipes |
| Zinc |
Zn |
30 |
gutters, batteries |
| Silver |
Ag |
47 |
mirrors, batteries, silverware |
| Tin |
Sn |
50 |
coins, organ pipes, enamel |
| Mercury |
Hg |
80 |
barometers, thermostats, street lights |
| Gold |
Au |
79 |
jewelry, dental crowns |
|