Multiple Choice Question Answer X — task. Science CBSE, Class 9.

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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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1. The maximum number of electrons that can be accommodate in the \(n^t{^h}\) level is –

\(n\)
\(n^2\)
\(2n^2\)
\(4n^2\)

2. Isotopes of an element are the atom which have –

The same number of neutrons in their nuclei
Different number of electron in their orbit
The same number of proton in their nuclei
The same mass number

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