Atomic radius can be determined by_________________?

Related Mcqs:

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

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

2. In a period the atomic radius ?

   A. Increases
   B. Decreases
   C. Remain same
   D. First decreases then increases

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. How many isotopes have odd atomic number ?

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

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. Atomic number of Mn is 25 what is the electronic configuration in the ground state________________?

   A. 1s2 2s2 2p6 3s2 3p6 3d7
   B. 1s2 2s2 2p6 3s2 3p6 4s2 4p5
   C. 1s2 2s2 2p6 3s2 3p5 3d10
   D. 1s2 2s2 2p6 3s2 3p6 4s23d5

7. Atomic orbits having same energy are called________________?

   A. Degenerate orbitals
   B. Bonding molecular orbitals
   C. Anti bonding molecular orbitals
   D. Half filled orbitals

8. Molecular orbital which have higher energy than atomic orbitals is called___________________?

   A. Bonding molecular orbital
   B. Antibonding molecular orbital
   C. Hybrid orbital
   D. Super atomic orbital

9. Which one of the following is the correct sequence according to atomic weights?

   A. Fe>Co> Ni
   B. Co > Ni > Fe
   C. Ni> Co> Fe
   D. Co >Fe>Ni

   Submitted by: Muhammad Ali Kunbhar

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

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

    Submitted by: Aamir khan Hullio