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An atom of an element contains 13 electr...

An atom of an element contains 13 electrons. Its nucleus has 14 neutrons. Fid out its atomic number and approxiamte atomic mass. An isotope has atomic mass 2 units higher. What will be the number of protons, neutrons and electrons in the isotope?

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The correct Answer is:
At. No=13, atomic mass =27; the isotope will hae same number of protons and electrons=13 but neutrons will be 14+2=16.
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Knowledge Check

  • A neutral atom of an element contains 17 electrons. Its nucleus has 20 neutrons. Its mass number is

    A
    17
    B
    20
    C
    37
    D
    3
  • If an atom has atomic number 10 and mass number 23, then what will be the number of protons and neutrons in an atom respectively

    A
    10, 10
    B
    10, 23
    C
    13, 10
    D
    10, 13
  • An atom has 7 electrons in its M-shell and contains 18 neutrons in its nucleus. What is its mass number?

    A
    25
    B
    27
    C
    35
    D
    43
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