Author Question: The element iron (Fe) occurs naturally as four isotopes. Each of these isotopes has A) 26 ... (Read 112 times)

yoooooman

  • Hero Member
  • *****
  • Posts: 557
The element iron (Fe) occurs naturally as four isotopes. Each of these isotopes has
 
  A) 26 protons.
  B) 26 electrons.
  C) a different number of neutrons.
  D) all of the above

Question 2

An iron oxide is 77.7 in iron. Its empirical formula is ________.
 
  A) FeO
  B) Fe2O
  C) Fe2O3
  D) Fe3O4



14vl19

  • Sr. Member
  • ****
  • Posts: 310
Answer to Question 1

D

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

14vl19

  • Sr. Member
  • ****
  • Posts: 310

 

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

For a complete list of videos, visit our video library