Question

The most abundant element in the earth's crust among the following is_________.

• A. $P$
• B. $As$
• C. $Sb$
• D. $Bi$

Answer 1

The correct option is A $P$

The most abundant element in the earth's crust is phosphorus. It occurs in the minerals of the apatite family. An example is a fluorapatite $C{a}_9[P{O}_4{]}_6\cdot Ca{F}_2$

Phosphorus is the most abundant element of 15th group, accounting for 0.10% of the mass of the earth's crust.

Option A is correct.