Front

What is the electron configuration of an oxygen atom?

Back

1s² 2s² 2p⁴.

Front

What do you start electron configuration with?

Back

1s².

Front

Which of the following is a p block element? (Ca, Ar, Re, Au)

Back

Ar.

Front

How many electrons does silicon (Si) contain?

Back

14.

Front

How many electrons can the first energy level hold?

Back

2.

Front

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

Back

8.

Front

What is the general order of filling electron orbitals?

Back

1s, 2s, 2p, 3s, 3p, 4s, 3d, 4p, etc.

Front

What is the electron configuration for a sodium atom?

Back

1s² 2s² 2p⁶ 3s¹.

Front

What is the significance of the Aufbau principle in electron configuration?

Back

Electrons fill orbitals starting from the lowest energy level to the highest.

Front

What is the electron configuration for a chlorine atom?

Back

1s² 2s² 2p⁶ 3s² 3p⁵.