Energy required to remove electron from an atom______________?

Related Mcqs:

1. When an electron is moving with velocity of 2.188 x 106 ms-1 in the first orbit of Bohrs model of hydrogen. The de Broglie wavelength of electron is______________?

   A. 0.33 nm
   B. 0.34 nm
   C. 0.35 nm
   D. 0.36 nm

2. Quantum number which tells the energy of electron is________________?

   A. n
   B. 1
   C. m
   D. s

3. An element having low value of ionization energy and low value of electron affinity is likely to belong to__________________?

   A. Group IA
   B. Group IB
   C. Group VIIA
   D. Group VIII

4. Which of the following will have highest value of electron affinity_________________?

   A. F
   B. Cl
   C. Br
   D. I

5. Sharing of 1 electron pair by one specie forms_________________?

   A. Single covalent bond
   B. Hydrogen bond
   C. Double covalent bond
   D. Coordinate covalent bond

6. Unpaired electron in a molecule gives ______________ character ?

   A. Ferromagnetic
   B. Paramagnetic
   C. Diamagnetism
   D. Both A & B

7. Orbitals of same energy produced after mixing of orbitals of different energy are called __________________?

   A. Degenerate orbitals
   B. Generate orbitals
   C. Hybrid orbitals
   D. Zeeman orbitals

8. Energy required to form transition state is called _________________?

   A. Ea
   B. P.E
   C. V
   D. K.E

9. The value of e/m ratio of electron is________________?

   A. 6.02 x 1023 C/kg
   B. 1.7588 x 1020 C/kg
   C. 9.1095 x 10-31 C/kg
   D. 1.7588 x 1011 C/kg

10. When 6d orbital is complete the entering electron goes into_________________?

    A. 7f
    B. 7s
    C. 7p
    D. 7d