The number<span> of nucleons (both protons and </span>neutrons<span>) in the nucleus is the </span>atom's mass number<span>, and each </span>isotope<span> of a given element </span>has<span> a different </span>mass number<span>. For example, carbon-12, carbon-13 and carbon-14 are three </span>isotopes<span> of the element carbon with </span>mass<span> numbers 12, 13 and 14 respectively</span>
Answer:
Atomic Mass
Explanation:
it is also sometimes below the symbol of the element :)
Answer:
I don't know what the correct answer is
Explanation: