Actinides are the elements with atomic numbers from __________?

Related Mcqs:

1. 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

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

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

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

   A. 280
   B. 300
   C. 154
   D. 54

4. 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

5. 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)

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

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

   Submitted by: Aamir khan Hullio

7. Quantum numbers are __________ ?

   A. Arithmetical values
   B. Numerical values
   C. Leometric values
   D. Logical values

   Submitted by: Rashid Mehmood

8. Elements which emit natural radioactivity are known as __________ ?

   A. Radio elements
   B. Active elements
   C. Radioactive elements
   D. Nuclear elements

   Submitted by: Rashid Mehmood

9. d-block elements are also called as __________?

   A. Inner Transition
   B. Outer Transition
   C. Alkali Metals
   D. Both B & C

   Submitted by: Aamir khan Hullio

10. In a group, atomic radii increase due to successive increase of _________ ?

    A. Electronic shells
    B. Proton shells
    C. Neutron shells
    D. Nucleus

    Submitted by: Rashid Mehmood