Ncert Exercises & Solutions

Which are the most abundant elements present inside the earth's crust?

1. Al, and Fe

2. Al, and Cu

3. Fe, and Cu

4. Cu, and Ag

HINT: Al and Fe are most abundant among these.

Explanation:

Among a number of elements which are available in earth crust, the most abundant elements are aluminium and iron.

Aluminium is third most abundant element in earth crust. i.e., 8.3% by weight while iron present in earth crust with 4.2% by weight.

Copper and silver are also found in earth crust but their abundance percentage is low.