Atom cannot be divided into simple unitstheorized by________________?

Related Mcqs:

1. All of the following were theorized by Bohr in his description of the atom except__________________?

   A. Angular momentum of electrons in multiples of h/2? B. Electrons revolve in discrete circular orbits C. Energy of each electron is directly proportional to n2 D. Electrons radiate energy continuously in a given orbit....

2. When an atom absorbs energy the lines in the spectrum will appear which are_________________?

   A. Brighter B. Darker C. Colourless D. Hard to locate...

3. Splitting of spectral lines when atom is subjected to magnetic field is called _______________?

   A. Zeemans effect B. Starks effect C. Photo electric effect D. Compton effect...

4. 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...

5. Atom with higher atomic number produces X-rays of__________________?

   A. Shorter wavelength B. Larger wavelength C. X-ray not produced D. All are possible...

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

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

7. Centrifugal forces are balanced in atom by__________________?

   A. Attractive forces B. Repulsive force C. Electrons D. Neutrons...

8. Apparent charge on atom in molecule is___________________?

   A. valency B. coordination number C. oxidation number D. charge number...

9. Keeping in view the size of atom which order is correct one ?

   A. Mg > Sr B. Ba > Mg C. Lu > Ce D. C1 > I...

10. Removal of halogen and hydrogen atom is_________________?

    A. halogenation B. dehalogenation C. dehydrohalogenation D. hydrohalogenation...