Silicon

28.086

Si

14

Protons=14 neutrons=14
Electrons=14

Metalloid

Melting point 4,274Farenhiet

The density 2.3296 gram

Boiling point2,557F

Founder:Jöns Jacob Berzelius

When it was discovered: 1789

pair of oxygen molecules where it was founded

Fact:Silicon cost per pound $1.45

Fact:Sources of element: found in clay, granite, quartz, and sand

Abundance in Earth's crust: second most abundant element in the world.