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

Related Mcqs:

1. 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

2. 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

3. The element that act as anode always have ______________ position in electrochemical cell?

   A. higher
   B. lower
   C. in middle
   D. no effect of position

4. Many properties of an element and its compounds can be predicted from the position of the element in the periodic table. What property could not be predicted in this way ?

   A. The nature of its oxides
   B. The charge on its ions
   C. The formula of its oxide
   D. Its number of isotopes

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

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

6. Rutherford bombarded _________________ particles in discovery of nucleus?

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

7. 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

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

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

   Submitted by: Rashid Mehmood

9. 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

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

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