Answer:
the answer is c
b/c contain more than one element
The answer to your question is nitrogen dioxide
Answer:
the answer has been given below have a good day
Explanation:
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Protons and Neutrons, the electrons circle around the nucleus.
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The mass number of an isotope can be expressed <span>by simply writing the name of the element or symbol followed by a hyphen and the mass number.
Example:
Carbon-13, Carbon-14
Oxygen-17
Uranium-235
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