AP BIOLOGY

BIOCHEMISTRY

ATOMIC STRUCTURE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What element has the element symbol “Si”
A
Sulfur
B
Sodium
C
Sillicon
D
Sellinum
Explanation: 

Detailed explanation-1: -Silicon is a chemical element with symbol Si and atomic number 14. Classified as a metalloid, Silicon is a solid at room temperature.

Detailed explanation-2: -The name is derived from the Latin ‘silex’ or ‘silicis’, meaning flint.

Detailed explanation-3: -Silicon is a chemical element (its symbol in chemical formula expressions is “Si") that is present in sand and glass and which is the best known semiconductor material in electronic components. Its atomic number is 14. The most common isotope has atomic weight 28.

Detailed explanation-4: -Silicon is used in construction materials, making transistors, in computer chips and solar cells, as waterproofing systems as silicones.

Detailed explanation-5: -The name for silicon is taken from the Latin silex which means “flint". The element is second only to oxygen in abundance in the earth’s crust and was discovered by Berzelius in 1824.

There is 1 question to complete.