The element iron (Fe) occurs naturally as four isotopes. Each of these isotopes has A) 26 ...

Author Question: The element iron (Fe) occurs naturally as four isotopes. Each of these isotopes has A) 26 ... (Read 137 times)

yoooooman

Hero Member
Posts: 557

on: Aug 27, 2018

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

Reply #1 on: Aug 27, 2018

Answer to Question 1

D

Answer to Question 2

A

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yoooooman

Hero Member
Posts: 557

Reply #2 on: Aug 27, 2018

Thank you!

14vl19

Sr. Member
Posts: 310

Reply #3 on: Aug 27, 2018

Always glad to help...

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