Ch.5 Test Review

Front

What is the electron configuration of Beryllium (Be)?

Back

1s² 2s²

Front

How many electrons can the third energy level hold?

Back

18

Front

What is the electron configuration of Potassium (K)?

Back

1s² 2s² 2p⁶ 4s¹

Front

What is the maximum number of electrons the second energy level can hold?

Back

8

Front

What must happen for an electron to move to a different energy level?

Back

It must absorb or release energy.

Front

What is the maximum number of electrons that can be held in the first energy level?

Back

2

Front

What is the principle that describes the distribution of electrons in an atom?

Back

Electron configuration.

Front

What is the significance of the 1s, 2s, 2p notation in electron configurations?

Back

It indicates the energy levels and sublevels of electrons.

Front

What is the relationship between energy levels and the distance of electrons from the nucleus?

Back

Higher energy levels are further from the nucleus.

Front

What happens to an electron when it absorbs energy?

Back

It moves to a higher energy level.