This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The element that is the second most abundant in Earth's crust is a. oxygen. b. iron. c. nitrogen. ... (Read 42 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


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

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
YES! Correct, THANKS for helping me on my review

kilada

  • Member
  • Posts: 311
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Atom of the Element Lithium Atom of the Element Lithium
Element Cube Element Cube
Nitrogen fixation Nitrogen fixation
Iron-deficient red blood cells. Iron-deficient red blood cells.
How to find the average atomic mass of an element How to find the average atomic mass of an element
Structure of hemoglobin, the oxygen-transporting protein of red blood cells. It consists of four glo Structure of hemoglobin, the oxygen-transporting protein of red blood cells. It consists of four glo
Video: Angiotensin II - kidneys, adrenal glands and dehydration

For a complete list of videos, visit our video library