Bohr's Atomic Model

Q. What is the number of electrons that can accommodate in K shell in case of Lithium?

1. 2
2. 3
3. 4
4. 1

Q. Which of these elements have a fully filled outermost shell?

1. Hydrogen
2. Sodium
3. Neon
4. Carbon

Q.

According to Bohr and Bury models, the electrons are not accommodated in a given shell, unless the inner shells are filled.

1. True

2. False

Q. According to Neils Bohr model, _______ revolve around the nucleus only in certain permissible orbits.

1. electrons
2. protons
3. neutrons
4. nucleons

Q. According to Neils Bohr model, _______ revolve around the nucleus only in certain permissible orbits.

1. electrons
2. neutrons
3. protons
4. nucleons

Q.

Assertion: K, L, M, N orbits can accommodate maximum of 2, 8, 18, 32 electrons respectively.

Reason: The maximum number of electrons in particular orbit is given by $2n^2$, where $n$ is orbit or shell number.

1. Assertion is true, but reason is false.
2. Assertion is false, but reason is true.
3. Both assertion and reason are true.
4. Both assertion and reason are false.

Q.

Electrons in an atom revolve around the nucleus in certain selected concentric paths which are called orbits. Which of the following orbit do you think will have highest energy?

1. K orbital

2. L orbital

3. M orbital

4. N orbital

Q. The maximum number of electrons that can be filled in the shell K, L, M, N are _______________ respectively.

1. 2, 8, 8, 16
2. 2, 8, 16, 32
3. 2, 8, 8, 32
4. 2, 8, 18, 32

Q. Which of the following statement is correct regarding the Neils Bohr's model of an atom?

1. Energy has no role in movement of electrons.
2. Electrons move to higher energy orbits by emitting energy.
3. Electrons move to higher energy orbits by absorbing energy.
4. Electrons move to lower energy orbits by absorbing energy.

Q. The energy of an electron _______ as long as it revolves in a particular shell.

1. remains constant
2. increases
3. decreases
4. fluctuates