The third most abundant element in the Earth's crust is ______; it is more common than iron.
A) magnesium
B) aluminum
C) calcium
D) fluorine
E) tin

Question

Quizplus · Accepted Answer

Aluminum is the third most abundant element in the Earth's crust, comprising approximately 8% of the crust by weight. Magnesium (4th), calcium (5th), and tin (8th) all have lower abundance in the crust. Fluorine is not considered to be abundant in the Earth's crust.

The Third Most Abundant Element in the Earth's Crust Is