WorksheetsAtomic Bohr Models
Total questions: 15
Worksheet time: 15mins
How many valence electrons?
2
5
6
8
Name this element.
Argon
Chlorine
Aluminum
Boron
This model added on to previous models by showing electrons existed at certain "energy levels". It is often called the Planetary Model.
The "Bohr Model" of the atom
The "Rutherford Model" of the atom
The "Plumb Pudding Model" of the atom
The "Quantum Mechanical Model" of the atom
Who proposed that electrons move around the nucleus in circular orbits?
Dalton
Thomson
Rutherford
Bohr
What can you conclude from the fact that scientists continue to update the atomic model?
New information about atoms continues to be discovered
Old information about atoms is completely useless
Scientists did not have any information about atoms until a few years ago
Scientists still have no idea what atoms look like
What is a drawing of an atom that shows all of the par;cles?
Lewis Dot Model
Dalton Model
Thompson Model
Bohr Model
What are the names of the 2 models that we have been using?
Bohr and Newton Structures
Lewis and Caroll Models
Bohr Model & Lewis Dot Structure
Element & Atom structures
Electron live in something called __________.
nucleus
orbits
Shells or Energy levels
Valences
How many electrons can go in the first energy level?
2
8
18
32
What is the main postulate of Bohr's atomic model regarding electron movement?
Electrons move in fixed circular orbits around the nucleus
Electrons are scattered randomly around the nucleus
Electrons are stationary around the nucleus
Electrons move in elliptical orbits around the nucleus
According to Bohr's model, what determines the energy level of an electron in an atom?
The distance from the nucleus
The speed of the electron
The size of the electron
The type of atom
In Bohr's model, what happens when an electron jumps from a higher energy level to a lower one?
It emits a photon
It absorbs a photon
It loses mass
It gains mass
Which experiment led to the development of Bohr's atomic model?
Rutherford's gold foil experiment
Thomson's cathode ray experiment
Millikan's oil drop experiment
Einstein's photoelectric effect
How does Bohr's model explain the spectral lines of hydrogen?
Electrons emit light when they jump between fixed energy levels
Electrons absorb light when they jump between fixed energy levels
Electrons emit light continuously as they orbit the nucleus
Electrons absorb light continuously as they orbit the nucleus
What is a limitation of Bohr's atomic model?
It cannot accurately predict spectra of atoms with more than one electron
It does not explain the existence of isotopes
It assumes electrons are positively charged
It suggests electrons are located inside the nucleus
