The number of isotopes of elements with even mass number and even atomic number are ________________?

Related Mcqs:

1. Mass spectrometer is used to determine Mass number of isotopes and___________________?

   A. Atomic number
   B. Relative abundance
   C. Electronic configuration
   D. All of the above

2. How many isotopes have odd atomic number ?

   A. 154
   B. 280
   C. 86
   D. 300

3. Isotopes of the same elements has__________________?

   A. different number of protons
   B. same number of neutrons
   C. different number of neutrons
   D. same mass number (nucleon number)

4. The atomic radii decreases by increasing atomic number in________________?

   A. Alkali metal
   B. Alkaline earth metal
   C. Elements from Li to Ne
   D. Halogens

5. Mostly elements have fractional atomic masses because of______________________?

   A. Mass of an atom itself is in fraction
   B. Atomic masses are average masses of isobars
   C. Atmoic masses are average masses of isotopes proportional to their relative abundance
   D. Atmoic masses are average masses of isotopes

6. Actinides are the elements with atomic number from:

   A. 97 to 104
   B. 101 to 115
   C. 89 to 103
   D. 36 to 43

   Submitted by: Fahad Mehsud

7. Actinides are the elements with atomic numbers from __________?

   A. 97 to 104
   B. 101 to 115
   C. 89 to 103
   D. 36 to 43

   Submitted by: Fahad Mehsud

8. The atoms of same element having same atomic number but different mass number are called____________________?

   A. Isobars
   B. Isomers
   C. Isotopes
   D. Isotropes

9. Atomic mass of an atom is present in the __________?

   A. Shell
   B. Orbit
   C. Nucleus
   D. Orbital

   Submitted by: Aamir khan Hullio

10. Which of the p-block elements are not representative elements ?

    A. Alkali metals (I-A)
    B. Group-14 elements (IV-A)
    C. Group-18 elements (VIII-A)
    D. Halogens (VII-A)