The particles which can be added to the nucle | vedclass

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(C) The chemical properties of an atom are determined by the number of electrons orbiting the nucleus,which is equal to the number of protons (atomic

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Neutrons

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(C) The chemical properties of an atom are determined by the number of electrons orbiting the nucleus,which is equal to the number of protons (atomic number $Z$) in the nucleus. Adding protons would change the atomic number,thereby changing the element and its chemical properties. Adding electrons would change the charge state (ion formation) or chemical reactivity. Neutrons are electrically neutral particles. Adding neutrons to the nucleus changes the mass number $(A)$ of the atom,resulting in a different isotope of the same element. Since isotopes have the same atomic number,they exhibit identical chemical properties.

The particles which can be added to the nucleus of an atom without changing its chemical properties are called:

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