the core of the earth is made of?
a) sillicon
b) alluminium
c) magnesium
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Q. The core of the earth is made of?
a) Silicon
b) Alluminium
c) Magnesium
➙ a) Silicon
Symbol: Si
Atomic number: 14
Atomic mass: 28.0855 u
Melting point: 1,414 °C
Electrons per shell: 2, 8, 4
Electron configuration: [Ne] 3s²3p²
Inventor: Jöns Jacob Berzelius
Discovered by: 1824
- Silicon is used in manufacturing of glasses and bricks.
- Solar panels are made up of Silicon wafers.
- Silicon is used in creating most powerful silicon bases lesar.
- Silicon is also used in computers and microelectronics industries.
- Silicon rubber is also used as a waterproof sealant in bathroom, windows and pipe.
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a) silicon
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