Nitrogen has an atomic number of 7 and mass number of 14, an isotope of nitrogen has a mass number of 17. Explain what an isotope is and state how many electrons, protons and neutrons this isotope has?
An isotope is an derivative of an element that differs from its original type in the number of neutrons it has. N(17) has 7 electrons, 7 protons and 10 neutrons.
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