Mastering Electron Configuration and Periodic Table Blocks

This video tutorial by Melissa Maribel explains electron configuration, detailing how electrons are arranged in atomic orbitals. It covers the four types of subshells (s, p, d, f) and their respective electron capacities. The tutorial provides examples of finding electron configurations for elements in each block of the periodic table: beryllium (s block), sulfur (p block), iron (d block), and plutonium (f block). It also explains the concept of condensed electron configurations using noble gases. The video concludes with additional resources for further learning and practice.

What is the maximum number of electrons that the p subshell can hold?

• 14

• 10

• 2

• 6

Which block of the periodic table contains the inner transition metals?

• p block

• f block

• s block

• d block

What is the electron configuration of beryllium?

• 1s2 2s2

• 1s2 2s1

• 1s1 2s2

• 1s2 2p2

How do you start finding the electron configuration of an element?

• From the element itself

• From the noble gas before it

• From helium

• From hydrogen

What is the condensed electron configuration of sulfur?

• [Ne] 3s2 3p4

• [Ar] 3s2 3p4

• [He] 2s2 2p4

• [Ne] 3s1 3p4

Which noble gas is used as a placeholder for the condensed configuration of sulfur?

• Neon

• Argon

• Krypton

• Helium

What is the full electron configuration of iron?

• 1s2 2s2 2p6 3s2 3p6 4s2 3d6

• 1s2 2s2 2p6 3s2 3p6 3d6

• 1s2 2s2 2p6 3s2 3p6 4s2 4d6

• 1s2 2s2 2p6 3s2 3p6 4s2 3d10

For elements in the d block, how does the coefficient in front of the d subshell compare to the row number?

• It is two less

• It is one less

• It is the same

• It is one more

What is the condensed electron configuration of plutonium?

• [Rn] 7s2 5f6

• [Xe] 6s2 4f6

• [Rn] 6s2 5f6

• [Xe] 7s2 5f6

In the f block, how does the coefficient in front of the f subshell compare to the row number?

• It is three less

• It is the same

• It is one less

• It is two less