WorksheetsElectron Cloud Atomic Model
Total questions: 12
Worksheet time: 7mins
Up until when was Niels Bohr's model of the atom accepted?
1925
1930
1920
1820
What do Scientists call the modern model of the atom?
electron cloud model
quantum mechanical model
electron cloud atomic model
atom model
(a) Schrödinger was an Australian scientist.
Where was Erwin Schrödinger from?
Austria
Germany
France
Australia
Which of the following are shapes of orbitals?
SELECT ALL THE APPLY
Spheres
Cones
Dumbbells
Rings
Cylinder
The “fuzzy” representation of electron locations in the quantum mechanical model is called a(n) ________ _____.
electron cloud
atomic cloud
fuzzy area
atom cloud
The problem with Bohr’s model of the atom is that it doesn’t explain all the behaviors of (a)
Regions around the atomic nucleus where electrons are most likely to be are called (a) .
Electron orbitals that are shaped like spheres are called _ orbitals.
(a)
Schroedinger thought that electrons
have a positive charge
have a fixed location
might travel in waves like light
are found with the neutrons.
Bohr’s atomic model explains all of the behaviors of electrons in atoms of all elements.
True
False
The electron cloud model of the atom is no longer accepted by most scientists.
True
False
