Electron Configurations

Front

What is the electron configuration for a sodium atom?

Back

1s² 2s² 2p⁶ 3s¹

Front

What is the electron configuration for a neon atom?

Back

1s² 2s² 2p⁶

Front

How many electrons can be found in an s orbital?

Back

2

Front

Which of the following elements is a transition metal? 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁴ or 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰?

Back

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁴

Front

Which group of the periodic table has an electron configuration of ns² np⁵?

Back

Halogens

Front

What is the maximum number of electrons in the p orbital?

Back

6

Front

What is the general electron configuration for noble gases?

Back

ns² np⁶

Front

What is the electron configuration for chlorine?

Back

1s² 2s² 2p⁶ 3s² 3p⁵

Front

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

Back

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

Front

What is the electron configuration for an atom with atomic number 26 (Iron)?

Back

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁶