Question

Give the composition of earth crust.

Answer 1

$\huge\mathfrak{Answer}$

↪ The most abundant element in the Earth's crust is ;

● Oxygen (O), making up 46.6% of the Earth's mass.

● Silicon (Si) is the second most abundant element (27.7%),

followed by aluminum(Al) (8.1%), iron(Fe) (5.0%), calcium(Ca) (3.6%), sodium(Na) (2.8%), potassium(K) (2.6%). and magnesium(Mg) (2.1%).