23
29. An atom of an element is represented as 23 X.11
(1) What does the numeral 23 indicate?
(ii) What does the numeral 11 indicate?
(iii) What is the number of protons in X?
(iv) What is the number of electrons in X?
(v) How are the electrons distributed around the nucleus of X?
(vi) What is the number of neutrons in X?
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