Isotopes of an element have different_____________________?

Related Mcqs:

1. Isotopes of an element have the same__________________?

   A. Number of neutrons
   B. Mass number
   C. Electronic configuration
   D. Atomic weight

2. Isotopes of an element have different_________________?

   A. Mass number
   B. Electronic configuration
   C. Nuclear charge
   D. Chemical properties

3. Which one is different for the neutral atoms of the isotopes of an element ?

   A. Atomic weights
   B. Atomic numbers
   C. Number of protons
   D. Number of electrons

4. The atomic weight and atomic number of an element are A and Z respectively. What is the number of neutrons in the atom of that element ?

   A. A + Z
   B. A – Z
   C. A
   D. Z

5. The half life period of a radioactive element is 100 days. After 400 days, one gm of the element will be reduced to ______________ gm?

   A. 1/4
   B. 1/8
   C. 1/2
   D. 1/16

6. Which of the following isotopes is not present in natural uranium?

   A. U-238
   B. U-234
   C. U-235
   D. U-232

7. Hydrogen has ______________ isotopes?

   A. No
   B. One
   C. Two
   D. Three

8. Artificially produced radioactive isotopes are used for____________________?

   A. Power generation
   B. Treatment of certain diseases
   C. Initiating nuclear fission and fusion
   D. All A., B. and C.

9. The disintegration rate of a radioactive element _______________?

   A. Progressively increases
   B. Progressively decreases
   C. Remains constant throughout
   D. May increase or decrease depending on the material

10. The atomic mass of an element is fractional, because ______________________?

    A. Of uncertainty principle
    B. It may have isobars
    C. It contains neutrons
    D. It may have isotopes