Electron Cloud Atomic Model

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.