Bohr's Atomic Model
Trending Questions
Q. Describe Bohr’s model of the atom.
Q. Which of the following statements is incorrect about Bohr’s atomic model?
- An atom has a positively charged nucleus.
Electrons revolve in fixed circular orbits around the nucleus.
- As long as an electron rotates in one of the energy levels, it neither loses energy nor absorbs it.
- An atom consists of a sphere of positive charge with negatively charged particles embedded in it.
Q.
In an iron atom , the differentiating electron enters which of the following sublevel.
Q. According to Neils Bohr model, _______ revolve around the nucleus only in certain permissible orbits.
- electrons
- neutrons
- protons
- nucleons
Q. Describe Bohr’s model of the atom.
Q. Which among the following pairs of subatomic particles approximately have the same mass?
- Electrons and neutrons
- Electrons and nucleons
- Protons and electrons
- Protons and neutrons
Q. Which of the following statement is correct regarding the Neils Bohr's model of an atom?
- Energy has no role in movement of electrons.
- Electrons move to higher energy orbits by emitting energy.
- Electrons move to higher energy orbits by absorbing energy.
- Electrons move to lower energy orbits by absorbing energy.
Q. Compare all the proposed models of an atom given in this chapter.
Q. We know that the electron continue to revolve around the nucleus but if the electron are in covalant bond will they continue to revolve around the nucleus
Q. Describe Bohr’s model of the atom.
Q. If the first two orbits of an atom are completely filled with electrons and no electron is there in the third shell, then the atomic number of the element is ________.
- 10
- 2
- 18
- 32
Q. How did Avagadro come up about the number 6.022*10 raised to 23
Q. What is the number of electrons that can accommodate in K shell in case of Lithium?
- 2
- 3
- 4
- 1
Q. If electrons do not radiate energy , why do atoms move constantly ?
Q. The maximum number of electrons that can be filled in the shell K, L, M, N are _______________ respectively.
- 2, 8, 8, 16
- 2, 8, 16, 32
- 2, 8, 8, 32
- 2, 8, 18, 32
Q. Which of these elements have a fully filled outermost shell?
- Hydrogen
- Sodium
- Neon
- Carbon
Q.
According to Bohr and Bury models, the electrons are not accommodated in a given shell, unless the inner shells are filled.
True
False
Q. According to Neils Bohr model, _______ revolve around the nucleus only in certain permissible orbits.
- electrons
- protons
- neutrons
- 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 2n2, where n is orbit or shell number.
- Assertion is true, but reason is false.
- Assertion is false, but reason is true.
- Both assertion and reason are true.
- Both assertion and reason are false.
Q. The energy of an electron _______ as long as it revolves in a particular shell.
- remains constant
- increases
- decreases
- fluctuates
Q.
If an element has 3 electrons in total, how will you distribute it among the shells?
- 2 electrons in L shell and 1 electron in K shell.
- All three electrons in K shell.
- 2 electrons in K shell and 1 electron in L shell.
- All three electrons in L shell.
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?
K orbital
L orbital
M orbital
N orbital
Q. Describe Bohr’s model of an atom.