Chemistry
Define the term - 'atomic number' of an atom. If an atom 'A' has an atomic number of - eleven, state the number of protons & electrons it contains.
Atomic Structure
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Answer
Atomic number of an atom is equal to number of protons in the nucleus of an atom. As number of electrons = number of protons hence, atomic number is also equal to the number of electrons in an element.
If atomic number [Z] is 11, the number of electrons = number of protons = 11.
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