How is bohr's atomic model different from rutherford’s model? a. electrons in bohr's model are placed in orbits of different energy levels. b. bohr's model has a heavy, dense nucleus. c. bohr's model has electrons. d. electrons in bohr's model are placed in the nucleus.

A:Electrons in Bohr's model are placed in orbits of different energy levels.

Explanation:

Postulates of Bohr's model

1.Electrons revolve around the nucleus in definite circular orbits  and these orbits designated by the letter K,L,M..

2.As long as the electrons revolve in particular orbit then they can neither gain nor loose energy.Such orbits are called stationary orbits.

3.When an electron jump from lower to higher orbit then it absorb energy and when an electron jump from high to lower then it release energy in the form of radiations.

4.The angular momentum of an electron is integral multiple of .

But Rutherford model postulates

1.An atom consist of nucleus containing the  entire  positive charge.The entire mass of an atom concentrated in the nucleus.

2.Size of  nucleus is very small as compared to whole atom size.

3.An atom as a whole is  electrically neutral with electrons revolves around the nucleus in various orbits.

Hence, Electrons in Bohr's model are placed in orbits of different energy levels is different postulates of Bohr's model from Rutherford model.

Because Rutherford does not tell about energy levels in which electron revolves. He only said that electrons revolves in various orbits.

A:Electrons in Bohr's model are placed in orbits of different energy levels.

the answer is: trichonympha lives in the gut of termites and digests cellulose eaten by the termite.

this is an example of a symbiotic association of a protozoan with its mode of association.

hope i

-lavira: )