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kmtz77 kmtz77
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6 years ago
Radioisotopes ____.
  a. are unstable and emit energy and particles to stabilize themselves.
  b. are different elements from the standard elements.
  c. are very stable and do not change over time.
  d. are so unstable that they rarely exist in nature
  e. exist only for carbon and oxygen

Question 2

Isotopes of an element are different from the most common standard form due to differences in the ____.
  a. atomic number
  b. position of the element in the periodic table
  c. number of neutrons in the nucleus
  d. number of protons in the nucleus
  e. size of the electron cloud
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bvillan1bvillan1
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6 years ago
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kmtz77 Author
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6 years ago
Brilliant
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