name the two most important and abundant chemical elements present in the earth crust
Answers
Answered by
4
Silicon (Si) As the second most abundant element in the Earth's crust,silicon accounts for over 28 percent of its mass. Combined with oxygen,silicon dioxide is the most common compound in the crust. Most people know silicon dioxide as common sand, but it can also take the form of quartz and other crystalline rocks.
Answered by
2
Answer:Oxygen & Silicon
Hope it may help you
Explanation:
Similar questions