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Atomic mass of an element is not necessa...

Atomic mass of an element is not necessarily a whole number because :

A

It contains electrons, protons and neutrons

B

It contains allotropic forms

C

Atoms are no longer considered indivisible

D

Atoms are no longer considered indivisible

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Knowledge Check

  • The relative atomic masses of many elements are not whole number because

    A
    they are not determined accurately
    B
    they exist as isotopes
    C
    due to impurities
    D
    atoms ionize

  • Assertion : atomic masses of elements are whole numbers . Reason : atoms of the same element exist as isotopes .

    A
    Both assertion and Reason are true and Reason is correct explanation of assertion
    B
    both assertion and Reason is not the correct explanation of assertion
    C
    Assertion is false but reason is true
    D
    Assertion is true but reason is false

  • The atomic number of an element is 17 and its mass number is 37. The number of protons, electrons and neutrons present in the neutral atom are :

    A
    17,37,20
    B
    20,17,37
    C
    17,17,20
    D
    17,20,17

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    The atomic mass of an element is in fraction . What does it mean ?

    The atomic number of an element is 17 and its mass number is 37. The number of protons, electrons and neutrons present in the neutral atom are :

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