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Consider the following statements : (I...

Consider the following statements :
(I)n All isotopes of an elements have the same number of neutrons.
(II) only one isotope of an element can be stable and non-radioactive.
(III) All elements have isotopes
(IV) All isotopes of Carbon can form chemical compounds with Oxygen - 16

A

III and IV only

B

II ,III and IV only

C

I, II and III only

D

I,III and IV only

Text Solution

Verified by Experts

The correct Answer is:
A
All elements have isotopes. All isotopes of carbon can form chemical compounds with oxygen - 16.
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Isotopes of an element have the same atomic number.

In which group all the elements do not have same number of valence electrons?

Knowledge Check

  • All isotopes of a given element show the same type of chemical behaviour:

    A
    The chemical properties of an atom are controlled by the number of electrons in the atoms
    B
    The chemical properties of an atom are controlled by the number of electrons in the atom
    C
    The chemical properties of an atom are controlled by the numeber of mass in the atom
    D
    none

  • Isotopes of the atoms of same element have -

    A
    same number of neutrons
    B
    same number of protons
    C
    same atomic mass
    D
    different chemical properties

  • In which group all the elements do not have same number of valence electrons?

    A
    Zero
    B
    First
    C
    Second
    D
    Seventh

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    Which of the following are the characteristics of isotopes of an element ? (i) Isotopes of an element have same atomic masses. (ii) Isotopes of an element have same atomic number. (iii) Isotopes of an element show same physical properties. (iv) Isotopes of an element show same chemical properties.

    Which of the following are the characteristics of isotopes of an element? (i) Isotopes of an element have same atomic masses. (ii) Isotopes of an element have same atomic number. (iii) Isotopes of an element show same physical properties. (iv) Isotopes of an element show same chemical properties.

    Which of the following are the characteristics of isotopes of an element? (i) Isotopes of an element have same atomic masses. (ii) Isotopes of an element have same atomic number (iii) Isotopes of an element show same physical properties. (iv) Isotopes of an element show same chemical properties.

    A : Isotopes of an element have almost similar chemical properties R : isotopes have same electron configuration .

    Consider the following statements. All the elements of d-block are non-metals. Non-metals are react with oxygen to form basic oxide. Select the correct statements.

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