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प्रश्न
For an atom ‘X’, K, L and M shells are completely filled. How many electrons will be present in it?
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उत्तर
K – 2, L – 8, M – 18, 28 electrons – Nickel
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संबंधित प्रश्न
Name the shell of an atom which can accommodate a maximum of :
(a) 2 electrons ?
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(a) Write the electronic configuration of element X.
(b) What is the atomic number of element X?
(c) Is it a metal or a non-metal?
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