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The number of neutrons in the nucleus of the isotope 2211 na is?

Accepted Answer

The number of neutrons in the isotope 22Na is 11. Here's how to calculate it:

Atomic Number (Z): The number of protons in an atom's nucleus, defining the element. Sodium (Na) has an atomic number of 11.
Mass Number (A): The total number of protons and neutrons in the nucleus. In this case, the isotope is 22Na, so the mass number is 22.
Calculation:
Number of neutrons = Mass Number (A) - Atomic Number (Z)
Number of neutrons = 22 - 11 = 11

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