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

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. Alpha particles can be detected by using___________?

   A. Gold foils
   B. Barium sulphate
   C. Zinc sulphide screen
   D. Thin Aluminium sheet

   Submitted by: Muhammad Ali Kunbhar

3. Rutherford bombarded _________________ particles in discovery of nucleus?

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

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

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

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. 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

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. 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

9. Cations possess __________ charge?

   A. +ve
   B. -ve
   C. Neutral
   D. None

   Submitted by: Aamir khan Hullio

10. The theory which explains the behavior of particles of matter in motion is called ______?

    A. Bohr’s Theory
    B. Dalton’s Theory
    C. Kinetic Molecular Theory
    D. None

    Submitted by: Zahid Jagirani