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

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Author Question: The element that is the second most abundant in Earth's crust is a. oxygen. b. iron. c. nitrogen. ... (Read 99 times)

mia

Hero Member
Posts: 564

on: Jul 28, 2018

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

Question 2

What is the formula of the compound formed from the ions of calcium and bromine?
a. CaBr3
b. CaBr
c. CaBr2
d. Ca2Br3
e. None of these

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isabelt_18

Sr. Member
Posts: 342

Reply #1 on: Jul 28, 2018

Answer to Question 1

d

Answer to Question 2

c

mia

Member
Posts: 564

Reply 2 on: Jul 28, 2018

Great answer, keep it coming

tuate

Member
Posts: 332

Reply 3 on: Yesterday

Gracias!

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