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

Related Mcqs:

1. Alpha (α) particles are helium (He) nucleus with a charge of __________ ?

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

   Submitted by: Rashid Mehmood

2. 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

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

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

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

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

   Submitted by: Ayyan Khan

5. The nucleus of an atom of every element will always contain____________________?

   A. neutrons
   B. protons and electrons
   C. protons
   D. protons and neutrons

6. Space around nucleus where finding probability of electrons is maximum is called ____________________?

   A. Orbital
   B. Orbit is elliptical
   C. subshell
   D. Electron cloud

7. 2nd orbit is ___________ away from nucleus of H-atom as compared to 1st orbit is ?

   A. 2-times
   B. 3-times
   C. 4-times
   D. 6 times

8. Rutherford bombarded _________________ particles in discovery of nucleus?

   A. Gamma-rays
   B. Alpha-rays
   C. Beta-rays
   D. X-rays

9. The relative attraction of the nucleus for the electrons in a chemical bond is called _________________?

   A. Ionization energy
   B. Electron affinity
   C. Electro negativity
   D. None of the above

10. Atoms of all the elements always contain in nucleus:

    A. Proton and neutron
    B. Neutron and electron
    C. Proton
    D. Neutron

    Submitted by: Shumail Bashir