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Author Question: The sum of protons and neutrons in an atom is called the A) atomic number. B) atomic mass. C) ... (Read 162 times)

skymedlock

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on: Aug 27, 2018
The sum of protons and neutrons in an atom is called the
 
  A) atomic number.
  B) atomic mass.
  C) nuclear mass.
  D) nucleon number.

Question 2

An iron oxide is 70.0 in iron. Its empirical formula is ________.
 
  A) FeO
  B) Fe2O
  C) Fe2O3
  D) Fe3O4


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welcom1000

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Reply #1 on: Aug 27, 2018
Answer to Question 1

D

Answer to Question 2

C


skymedlock

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Reply 2 on: Aug 27, 2018
:D TYSM

Jsherida

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Reply 3 on: Yesterday
Wow, this really help

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