Unit 3

Front

Energy levels are denoted by:

Back

numbers

Front

How many electrons can the d sublevel hold?

Back

10

Front

How many electrons can the first energy level hold?

Back

2

Front

List the electromagnetic waves in order of decreasing frequency: X-rays, microwaves, infrared rays.

Back

infrared rays, microwaves, radio waves

Front

What does Hund's rule state?

Back

An orbital can contain two electrons only if all other orbitals in that sublevel contain at least one electron.

Front

What is the maximum number of electrons in the second energy level?

Back

8

Front

What is the shape of the p orbital?

Back

Dumbbell-shaped

Front

What is the principle behind the Aufbau principle?

Back

Electrons fill the lowest energy orbitals first.

Front

What is the Pauli Exclusion Principle?

Back

No two electrons in an atom can have the same set of four quantum numbers.

Front

What is the maximum number of electrons that can occupy a single orbital?

Back

2