In Thomson models An atom has a nearly continuous mass distribution
36) In which of the models An atom has a nearly continuous mass distribution?
Answer is:
Thomson's model
Explanation:
Related Atoms and Nuclei MCQ with Answers
Answer is:
Rutherford's model
Explanation:
In Rutherford models An atom has a highly non-uniform mass distribution
Answer is:
Thomson's model and Rutherford's model
Explanation:
In Thomson's model and Rutherford's models, the positively charged part of the atom possesses most of the mass
Answer is:
13.6 eV, ?27.2 eV
Explanation:
kinetic energy is the negative of total energy. K.E. = -E also P.E. is equal to negative of two time of total energy. P.E.=-2E
Answer is:
Lyman series: 103 nm and 122 nm; Balmer series: 656 nm.
Explanation:
In ground state, energy of gaseous hydrogen at room tempertaure= - 13.6 eV. When bombarded with 12.5 eV electron beam, the energy becomes, -13.6 +12.5 = -1.1 eV i.e. electron would jump from n=1 to n=3 where E 3= -13.6/3*3 = -1.5 eV On de-excitation the electron may jump from either n=3 to n=2 givind rise to Balmer series It may also jump from n = 3 to n =1 , giving rise to Lyman series