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  3. Chemistry
  4. If the atomic weight of an element is 23 times that of the lightest element and it has 11 protons, then it contains

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Q. If the atomic weight of an element is $23$ times that of the lightest element and it has $11$ protons, then it contains

Structure of Atom

Solution:

Mass no. $\approx$ At. Wt.
Mass no. = no. of protons + no. of neutrons
At. no. = no. of protons = no. of electrons