Question

atomic number of sodium is 11 and its mass number is 23 it has dash​

Answer 1

Answer:

Sodium has a mass number of 23amu. Since sodium has 11 protons, the number of neutrons must be 23 – 11 = 12neutrons.

Answer 2

$Sodium \: has \: a \: mass \: number \\ of \: 23amu. \: Since \: sodium \: has \\ 11 \: protons, \: the \: number \: of \\ neutrons \: must \: be \: \\ 23 – 11 = 12 neutrons.$

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