Periodic Trends Part 1 Review

Front

What is the Aufbau principle?

Back

The Aufbau principle states that electrons occupy the lowest energy orbitals first before filling higher energy orbitals.

Front

List the correct orbital filling order according to the Aufbau principle.

Back

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

Front

What is an orbital diagram?

Back

An orbital diagram is a visual representation of the electron configuration of an atom, showing the distribution of electrons in atomic orbitals.

Front

What is the Lewis electron-dot structure?

Back

The Lewis electron-dot structure is a diagram that represents the valence electrons of an atom as dots around the element's symbol.

Front

How many valence electrons does oxygen (O) have?

Back

Oxygen has 6 valence electrons.

Front

What is the abbreviated electron configuration for cobalt (Co)?

Back

[Ar] 4s² 3d⁷.

Front

What is the significance of valence electrons in chemical bonding?

Back

Valence electrons are important because they are involved in forming bonds with other atoms.

Front

How many electrons can the 3d subshell hold?

Back

The 3d subshell can hold a maximum of 10 electrons.

Front

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

Back

The second energy level can hold a maximum of 8 electrons.

Front

What is the electron configuration for a neutral atom with 14 electrons?

Back

The electron configuration is 1s² 2s² 2p⁶ 3s² 3p².