GK
GENERAL SCIENCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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In Periodic table elements are arranged according to their ____
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Atomic and Mass number
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Mass number
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Atomic number
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None of the above
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Explanation:
Detailed explanation-1: -In the modern periodic table, the elements are listed in order of increasing atomic number. The atomic number is the number of protons in the nucleus of an atom.
Detailed explanation-2: -1. The number of neutrons in an atom is referred to as its atomic number. 2. The periodic table is arranged by increasing atomic number.
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