GK
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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An aluminum isotope consists of 13 protons, 13 electrons, and 14 neutrons. Its mass number is
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13
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14
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27
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40
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Explanation:
Detailed explanation-1: -∴ The mass number of aluminium is 27.
Detailed explanation-2: -An atom with nuclear charge of +13 and containing 14 neutrons has atomic number = 13 and mass number = 27.
Detailed explanation-3: -The atomic number of aluminium (Al) is 13, and its mass number is 27.
Detailed explanation-4: -aluminium-27 atom (CHEBI:37968) The stable isotope of aluminium with relative atomic mass 26.98153 and nuclear spin 5/2.
Detailed explanation-5: -An aluminum isotope consists of 13 protons, 13 electrons, and 14 neutrons.
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