1.

An atom has mass number 23 and atomic number\[11\]. How many protons, electrons and neutrons are present in the atom?

A. \[11,\,\,12,\,\,13\]
B. \[11,\,\,11,\,\,12\]
C. \[11,\,\,11,\,\,13\]
D. \[11,\,\,14,\,\,15\]
Answer» C. \[11,\,\,11,\,\,13\]


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