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Energy From the Atom – Part III

STUDENT INSTRUCTIONS:

QUIZ III: ATOMS

Please complete each sentence.

  1. The three types of particles in atoms are: _____, _____ and _____.
  2. The atomic number of and element is equal to the number of_____ is its nucleus.
  3. The atomic weight of AN isotope of an element is the total number of _____ and _____ in the nuclei of its atoms.
  4. If an uranium isotope has 92 protons and 146 neutrons, its atomic weight would be _____
  5. An isotope of an element gets part of its name from the total number of _____ and _____ in its nuclei.
  6. If the isotope Helium-4 has 2 protons and 2 neutrons, the isotope Helium-6 would have _____ protons and _____neutrons.
  7. One elements changes into another element when it gains one or more _____.
Check your answers
  1. The three types of particles in atoms are: protons, neutrons, and electrons.
  2. The atomic number of and element is equal to the number of protons is its nucleus.
  3.  The atomic weight of AN isotope of an element is the total number of protons, and neutrons in the nuclei of its atoms.
  4.  If an uranium isotope has 92 protons and 146 neutrons, its atomic weight would be 238
  5.  An isotope of an element gets part of its name from the total number of protons AND neutrons in its nuclei.
  6.  If the isotope Helium-4 has 2 protons and 2 neutrons, the isotope Helium-6 would have 2  protons and 4 neutrons.
  7.  One element changes into another element when it gains one or more protons.

 

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