Question

Among group 13 and group 14 elements, which is the most abundant in Earth’s crust?

• A. Silicon
• B. Aluminium
• C. Carbon
• D. Boron

Answer 1

Answer: (A)

Silicon (Si), is a nonmetallic chemical element in the carbon family (Group 14 of the periodic table). Silicon makes up 27.7 percent of Earth's crust; it is the second most abundant element in the crust, being surpassed only by Oxygen.