A metallic atom loses its valence electron to form a/an _________?

Related Mcqs:

1. An atom loses or gains electrons to__________________?

   A. Gain stability
   B. Form a bond
   C. Complete its outermost shell
   D. all are accurate justifications

2. 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

3. How many electrons are there in benzene to form delocalized electron cloud________________?

   A. 3
   B. 4
   C. 6
   D. 8

4. Sum of protons and neutrons in an atom gives off _________ ?

   A. Nucleon numbera
   B. Mass number
   C. Atomic number
   D. Both A and B

   Submitted by: Rashid Mehmood

5. Metallic crystals are soluble in________________?

   A. Polar solvent
   B. Non polar solvent
   C. Fused metal
   D. None

6. Metallic characters of alkali metals_____________________?

   A. Increase down the group
   B. Decrease down the group
   C. No regular trend
   D. Remain same

7. The mass of one mole of electron is________________?

   A. 1.008
   B. 0.55
   C. 0.184
   D. 1.637

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

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

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

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

10. 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