Atomic Nucleus: Definition, Structure & Size


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Which of the following are NOT found in the atomic nucleus?

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1. If you know the atomic number and the atomic mass of an atom then you should be able to figure out...

2. Nitrogen has an atomic number of 7 and it has 7 neutrons. What is the atomic mass of nitrogen?

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About This Quiz & Worksheet

An atomic nucleus is the central component of an atom. In this quiz, you'll be asked to recall a number of facts about the atomic nucleus, as well as some calculations.

Quiz & Worksheet Goals

This quiz asks you to apply your knowledge of the atomic nucleus in the following ways:

  • Recognize what is and is not found in the atomic nucleus
  • Understand what you can figure out when give the atomic number and mass of an atom
  • Calculate the atomic mass when given an atomic number and the number of neutrons
  • Understand what you can figure out when given the number of electrons and neutrons

Skills Practiced

  • Reading comprehension - draw the most relevant information from the lesson on the atomic nucleus
  • Information recall - remember what you've learned about atomic number and atomic mass
  • Knowledge application - use this knowledge to answer questions about calculating the number of protons, neutrons and electrons in a given element

Additional Learning

More on the subject of the atomic nucleus is readily available. The lesson titled Atomic Nucleus: Definition, Structure & Size covers the following objectives:

  • Define atomic nucleus
  • Identify the nucleotides contained in the atomic nucleus
  • Know how the atomic nucleus was discovered
  • Understand how to tell what element an atom is
  • Practice finding an atomic number
  • Recognize how to calculate the atomic mass