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Question

Bohr's Model of the atom included idea(s) like:



Correct Answer
A

Electrons in atom stay in orbits

Correct Answer
B

The electrons can only revolve in certain orbits at certain distance from the nucleus

Correct Answer
C

When electrons gain or lose energy they jump from one orbit to another

Your Answer
D

Most of the atom is empty.


Solution

The correct options are
A

Electrons in atom stay in orbits


B

The electrons can only revolve in certain orbits at certain distance from the nucleus


C

When electrons gain or lose energy they jump from one orbit to another


Electrons in atoms, orbit the nucleus.

The electrons can only orbit stably, without radiating, in certain orbits (called by Bohr the "stationary orbits") at a certain discrete set of distances from the nucleus.

These orbits are associated with definite energies and are also called energy shells or energy levels. In these orbits, the electron's acceleration does not result in radiation and energy loss.

Electrons can only gain and lose energy by jumping from one allowed orbit to another, absorbing or emitting energy. 

Rutherford concluded that most of the atom is empty not Bohr.

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