You are watching: Sum of the protons and neutrons in the nucleus of an atom

Atoms space the smallest fragments of issue that retain their chemical identity. Atom contain a number of particles, consisting of protons, neutrons and also electrons. Amongst these, protons room positively charged, if electrons room negatively charged and also neutrons room neutrally charged. The protons and also neutrons exist in ~ the nucleus, while electron are...
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Atoms room the smallest fragments of matter that retain your chemical identity. Atom contain a variety of particles, including protons, neutrons and electrons. Amongst these, protons space positively charged, while electrons are negatively charged and also neutrons are neutrally charged. The protons and neutrons exist in ~ the nucleus, when electrons room located exterior it.
Each aspect is characterized by two terms: atom number and mass number. The atom number is the very same as the variety of protons in the nucleus. Mass number, on the other hand, is the sum full of protons and neutrons of an atom.
To determine the number of protons and also neutrons in the atom of a offered element, we need to understand the atom number and also mass variety of the element. Utilizing that information, us can discover the variety of protons and neutrons as:
number of protons = atomic number
number of neutrons = mass number - number of protons
Hope this helps.
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