Periodic Trends and Electron Configurations Review

Front

How many electrons can the d orbital hold?

Back

The d orbital can hold a maximum of 10 electrons.

Front

Which orbital is filled immediately after the 3p orbital?

Back

The 4s orbital is filled immediately after the 3p orbital.

Front

Which of the following elements is an alkali metal?

Back

Lithium is an alkali metal.

Front

Which of the following elements is a noble gas?

Back

Neon is a noble gas.

Front

What is the electron configuration of Aluminum?

Back

The electron configuration of Aluminum is 1s² 2s² 2p⁶ 3s² 3p¹.

Front

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

Back

The p orbital can hold a maximum of 6 electrons.

Front

What is the significance of the valence shell in an atom?

Back

The valence shell determines the chemical properties and reactivity of an element.

Front

What is the general order of filling orbitals according to the Aufbau principle?

Back

The general order is 1s, 2s, 2p, 3s, 3p, 4s, 3d, 4p, etc.

Front

What are the characteristics of alkali metals?

Back

Alkali metals are highly reactive, have one electron in their outermost shell, and are soft.

Front

What distinguishes noble gases from other elements?

Back

Noble gases have a complete valence shell, making them very stable and unreactive.