Proton number is denoted by symbol __________ ?

A. M
B. Z
C. P
D. A

Submitted by: Rashid Mehmood

The atomic number or proton number (symbol Z) of a chemical element is the number of protons found in the nucleus of every atom of that element. The atomic number uniquely identifies a chemical element. It is identical to the charge number of the nucleus. In an uncharged atom, the atomic number is also equal to the number of electrons.

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