Electron Cloud

What is the electron cloud?

• A region around the nucleus of an atom where electrons are likely to be found

• A type of cloud found in the Earth's atmosphere

• A cloud made up of protons and neutrons

• A cloud that forms during a chemical reaction

Quantum theory is a mathematical description for the wave properties of which particles?

• Electrons

• Protons

• Neutrons

• particles

What is an orbital?

• An orbital is a region in an atom where there is a high probability of finding electrons.

• An orbital is the path that planets follow around the sun.

• An orbital is a type of chemical bond between atoms.

• An orbital is a fixed position in space where electrons are always found.

What is the number of electrons that the s orbital can hold?

• 1

• 2

• 3

• 4

How many electrons can the f orbital hold?

• 12

• 10

• 14

• 8

How many electrons can the 1st shell hold in total?

• 1

• 2

• 3

• 4

Which orbital in the 2nd shell holds 6 electrons?

• The 2p orbital holds 6 electrons.

• The 2s orbital holds 6 electrons.

• The 3p orbital holds 6 electrons.

• The 1s orbital holds 6 electrons.

What is the total number of electrons that the 3rd shell can hold?

• 8

• 10

• 18

• 20

Which orbital in the 3rd shell has 6 different configurations?

• 3d orbital

• 3p orbital

• 3s orbital

• 3f orbital

What is the most stable arrangement of electrons in an atom's electron cloud called?

• Electron configuration

• Quantum mechanical model

• Bohr Model

• Shorthand notation