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Is It Possible to Have an Element Having Atomic Number 1.5 Placed Between Hydrogen and Helium? - CBSE Class 10 - Science

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Question

Is it possible to have an element having atomic number 1.5 placed between hydrogen and helium?

Solution

It is not possible to place an element with an atomic number of 1.5 between hydrogen and helium. This is because elements are placed in the increasing order of their atomic numbers. Atomic numbers are always whole numbers and cannot be in decimals, as half an electron or half a proton cannot exist.

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APPEARS IN

 Lakhmir Singh Solution for Chemistry for Class 10 (2019 Exam) (2018 to Current)
Chapter 5: Periodic Classification Of Elements
Q: 29.4 | Page no. 283

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Solution Is It Possible to Have an Element Having Atomic Number 1.5 Placed Between Hydrogen and Helium? Concept: The Modern Periodic Table.
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