[Answered] The element that is most abundant in Earth's crust is a. silicon. b. iron. c. oxygen. d. ...

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Author Question: The element that is most abundant in Earth's crust is a. silicon. b. iron. c. oxygen. d. ... (Read 87 times)

lb_gilbert

Hero Member
Posts: 588

on: Jul 28, 2018

The element that is most abundant in Earth's crust is
a. silicon.
b. iron.
c. oxygen.
d. nitrogen.

Question 2

What is the formula of the compound formed from the ions of aluminum and oxygen?
a. Al2O3
b. AlO
c. AlO3
d. None of these

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mtmmmmmk

Sr. Member
Posts: 335

Reply #1 on: Jul 28, 2018

Answer to Question 1

c

Answer to Question 2

a

lb_gilbert

Hero Member
Posts: 588

Reply #2 on: Jul 28, 2018

Thanks

mtmmmmmk

Sr. Member
Posts: 335

Reply #3 on: Jul 28, 2018

Welcome

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