BIOCHEMISTRY
PROPERTIES OF WATER
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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If an element has an atomic number of 15 and an atomic mass of 31, which of the following is true?
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It has 15 protons, 15 neutrons, and 16 electrons.
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It has 16 protons, 16 neutrons, and 15 electrons.
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It has 15 protons, 16 neutrons, and 16 electrons.
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It has 15 protons, 16 neutrons, and 15 electrons.
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Explanation:
Detailed explanation-1: -1 Answer. This is the isotope phosphorus-31. It has 15 protons, 15 electrons, and 16 neutrons.
Detailed explanation-2: -The atom which is having the atomic number of 15 and mass number of 31 is Phosphorus atom.
Detailed explanation-3: -Sulphur atom has 16 electrons, 16 protons and 16 neutrons.
Detailed explanation-4: -Atomic Structure Phosphorus has 15 protons and 16 neutrons in its nucleus giving it an atomic number of 15 and a atomic mass of 31.
Detailed explanation-5: -A sulphur atom contains 16 protons and 16 neutrons.
There is 1 question to complete.