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The atoms with same mass number but diff...

The atoms with same mass number but different atomic number are called

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Which of the following pairs is/are correctly matched ? 1. Isotopes : Atoms with same atomic number but different atomic mass 2. Isobars : Atoms with same number of neutrons but different atomic number 3. Isotones : Atoms with same mass number but different atomic number Select the correct answer using the code given below :

Assertion : Isotopes are electrically neutral. Reason : Isotopes are species with same mass number but different atomic numbers.

Knowledge Check

  • Assertion (A): Two atoms of different elements having same mass number but different atomic numbers are called isobars. Reason (R): Atomic number is the number of protons present and mass number is the total number of protons and neutrons present in a nucleus.

    A
    Both A and R are true and R is the correct explanation of A
    B
    Both A and R are true but R is NOT the correct explanation of A
    C
    A is true but R is false
    D
    A is false and R is true

  • The atoms of the elements having same mass number but different atomic number are called-

    A
    Isotopes
    B
    Isobars
    C
    Isotones
    D
    Isomers

  • Which of the following pairs is/are correctly matched? 1. Isotopes : Atoms with same atomic number but different atomic mass. 2. Isobars : Atoms with same number of neutrons but different atomic number. 3. Isotones : Atoms with same mass number but different atomic number. Select the correct answer using the codes given below :

    A
    1, 2 and 3
    B
    1 only
    C
    1 and 2 only
    D
    2 only

    • Similar Questions

    Explore conceptually related problems

    Elements which have same atomic mass but different atomic number are called

    Assertion : The atoms of different elements having same mass number but different atomic numbers are known as isobars. Reason : The sum of protons and neutrons, in the isobars is always different.

    The atoms of different elements having same mass number but different atomic number are known as isobars. The sum of protons and neutrons, in the isobars is always different.

    Atom with the same atomic number and different mass numbers are called

    The atoms of the elements having same atomic number but different mass number are called -

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