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

Related Mcqs:

1. A helium nucleus comprising of two protons and two neutrons with a charge of 2e is _________ ?

   A. Beta particle
   B. Gamma particle
   C. Alpha particle
   D. Negative particle

   Submitted by: Rashid Mehmood

2. Neutrons moving with an energy of 1.2 MeV are called_______________?

   A. Fast neutrons
   B. Slow neutrons
   C. Moderate neutrons
   D. All are possible

3. Element that have same number of neutrons are called__________?

   A. isotope
   B. isobar
   C. isotone
   D. None of these

   Submitted by: Ayyan Khan

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

   A. an anion
   B. a cation
   C. an anion – cation
   D. none of these​

   Submitted by: Aamir khan Hullio

5. Diameter of an atom is in the order of________________?

   A. 0.2m
   B. 0.2mm
   C. 0.2nm
   D. 0.2pm

6. The number of fundamental particles in an atom of the lightest isotope carbon are_______________?

   A. 6
   B. 12
   C. 18
   D. 20

7. Geometry of molecule will be pyramidal if the outer post shell of the central atom has___________________?

   A. 3 bond pair one lone pair
   B. 2 bond pair 2 lone pair
   C. 1 bond pair 3 lone pair
   D. 3 lone pair 1 bond pair

8. The central atom along with ligands is called____________________?

   A. complex ion
   B. coordination sphere
   C. ligand
   D. complex compound

9. Atom is the smallest particall which is_________?

   A. Indivisible 
   B. Divisible
   C. Both
   D. Non of these

   Submitted by: Kamran khan

10. The valency of carbon Atom is __________ ?

    A. 1
    B. 2
    C. 3
    D. 4

    Submitted by: Rashid Mehmood