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

_____ 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 ________

Regions around the atomic nucleus where electrons are most likely to be are called ________.

Electron orbitals that are shaped like spheres are called _ orbitals.

Schroedinger thought that electrons

• have a positive charge

• have a fixed location

• might travel in waves like light

• are found with the neutrons.