Higher value of electron affinity means__________________?

Related Mcqs:

1. 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

2. The halogen having highest electron affinity is_____________________?

   A. Fluorine
   B. Chlorine
   C. Bromine
   D. Iodine

3. 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

4. Molecular mass of water (18g) means__________________?

   A. 1-mole molecules of water
   B. 1-gram molecule of water
   C. 3-gram atoms
   D. all

5. The word Alkali means__________________?

   A. Base
   B. Basic salt
   C. Ashes
   D. Spirit

6. 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

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

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

8. The absolute value of charge on electron was determined by ________ ?

   A. J.J.Thomson
   B. Chadwick
   C. Rutherford
   D. Robert Millikan

   Submitted by: Rashid Mehmood

9. Addition of 2nd electron to a uni negative ion is always____________________?

   A. Exothermic
   B. Endothermic
   C. Data is insufficient
   D. Unpredictable

10. Energy required to remove electron from an atom______________?

    A. Ionization potential
    B. Electronegativity
    C. Electron affinity
    D. Activation energy