What are radio isotopes ? Give some examples of radio isotopes.

What are alkaloids? Give some examples.

What are isotopes and isomers ?

Define isotope and give two examples.

What are condiments ?give some examples.

What are isotopes and isobars ?

What are isotopes? Mention the isotopes of hydrogen

Which of the following is an example of isotopes?

Uranium has two isotopes of masses 235 and 238 units. If both of them are present in uranium hexafluoride gas, find the percentage ratio of difference in rms velocities of two isotopes to the rms velocity of heavier isotope.

Assertion (A): The isotopes of hydrogen show much difference in their physical properties than isotopes of other elements Reason (R): The isotopes of hydrogens widely differ in their mass numbers.

Which of the following statements are the characteristics of isotopes of an element? a) Isotopes of an element have same atomic masses b) Isotopes of an element have same atomic number c) Isotopes of an element show same physical properties Isotopes of an element show same chemical properties