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16. Atom of an element has 11 elect...
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16. Atom of an element has 11 electrons, 11 protons and 12 neutrons. The mass number of the element is a) 33 c) 11 d) 23
NEET
Chemistry
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( quad N+P ) ( P )( X ) Neutron ( +quad ) Proton ( =quad ) Moss number ( 12+11=23 )
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