Question

25percent of earth crust composed oof------different metals​

Answer 1

Explanation:

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%). These eight elements account for approximately 98.5% of the total mass of the Earth's crust.