Electron Configurations

Front

What is the electron configuration of Lithium (Li)?

Back

1s² 2s¹

Front

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

Back

2 electrons

Front

How many valence electrons does an atom with the electron configuration 1s² 2s² 2p³ have?

Back

5 valence electrons

Front

What is the total number of electrons in an atom with the electron configuration 1s² 2s² 2p⁶?

Back

10 electrons

Front

What is the highest occupied energy level in an atom with the electron configuration 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s²?

Back

6

Front

What is the significance of valence electrons in chemical bonding?

Back

Valence electrons determine how an atom can bond with other atoms.

Front

What is the shape of an s orbital?

Back

S orbitals are spherical in shape.

Front

What is the shape of a p orbital?

Back

P orbitals are dumbbell-shaped.

Front

How many orbitals are present in the d subshell?

Back

There are 5 orbitals in the d subshell.

Front

What is the principle behind the Aufbau principle in electron configuration?

Back

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