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State the atomic number and mass number of 1123Na_{11}^{23}\text{Na} and draw its atomic model.

Radioactivity

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Answer

The Atomic Number (Z) of Na = 11

The Mass Number (A) of Na = 23

Number of Neutrons = A - Z = 23 - 11 = 12

Its atomic model is shown below:

State the atomic number and mass number of Na (Sodium). Radioactivity, Concise Physics Solutions ICSE Class 10.

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