Front

What is the electron configuration for Zinc?

Back

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰

Front

What is the electron configuration for Boron?

Back

1s² 2s² 2p¹

Front

Which sublevel has the least energy: 2p, 2s, 3p, or 1s?

Back

1s

Front

How many electrons are needed to completely fill the fourth energy level?

Back

32

Front

What are the total valence electrons for the element with the configuration 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁴?

Back

6

Front

Define electron configuration.

Back

The distribution of electrons in an atom's orbitals.

Front

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

Back

8

Front

What is the significance of valence electrons?

Back

They determine an atom's chemical properties and reactivity.

Front

How many orbitals are in the 3rd energy level?

Back

9 (3s, 3p, 3d) - 1s, 3p, and 3d orbitals.

Front

What is the Aufbau principle?

Back

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