The sodium nucleus $_{11}^{23}$ Na contains

11 electrons

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12 protons

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23 protons

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12 neutrons

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Solution

The correct option is D 12 neutrons
Number of neutrons =A-Z=23-11=12

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Similar questions

_{13}^{27} A l

_{11}^{23} N a

Na⁺ is smaller than Na atom because:

_{11}^{23} N a +_{1}^{2} H ⟶_{11}^{24} N a +_{1}^{1} H

23 g

N a = 23 u

N a^{+}

N a^{+}

m o l k g^{- 1}

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