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...