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Question
In the figure given alongside
(a) Name the shells denoted by A,B, and C. Which shell has least energy
(b) Name X and state the charge on it
(c) The above sketch is of …………. Model of an atom
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Solution
(a) A is for K shell or I shell.
B is for L shell or II shell.
C is for M shell or III shell.
Shell K has the minimum amount of energy.
(b) X is a nucleus; it is positively charged.
(c) The above sketch is of Bohr model of an atom.
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