Noble Gases and Electron Configurations

In this video, Yusuf Cunairi introduces the concept of electron configuration using the noble gas method. The tutorial begins with memorizing the noble gases and their atomic numbers, followed by understanding the pattern of atomic numbers. Yusuf explains the rules for electron configuration, emphasizing the importance of remembering the sequence of filling electron orbitals. The video provides examples of electron configurations for specific atomic numbers, demonstrating how to apply the rules. The tutorial concludes with encouragement to continue learning through additional videos.

What is the mnemonic used to remember the noble gases?

• He never argues kindly

• Helium never arrives quickly

• Happy new year everyone

• Heran nene ari keriting sekali rambutnya

Which noble gas has an atomic number of 10?

• Argon

• Neon

• Helium

• Krypton

What is the pattern to remember the atomic numbers of noble gases?

• Add 5, 5, 15, 15, 25

• Add 10, 10, 20, 20, 40

• Add 6, 6, 16, 16, 26

• Add 8, 8, 18, 18, 32

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

• 2

• 4

• 6

• 8

Which orbital comes after 4s in the electron configuration sequence?

• 3d

• 4d

• 4p

• 5s

How many electrons can a 'd' orbital hold?

• 12

• 10

• 8

• 6

Which orbital is filled after 6s in the electron configuration?

• 4f

• 5d

• 6p

• 7s

What is the maximum number of electrons that can occupy an 'f' orbital?

• 10

• 12

• 14

• 16

For an atom with atomic number 26, which noble gas is used as a reference in its electron configuration?

• Krypton

• Argon

• Helium

• Neon

What is the electron configuration for an atom with atomic number 35?

• [18Ar] 4s2 3d10 4p4

• [18Ar] 4s2 3d10 4p6

• [18Ar] 4s2 3d10 4p5

• [18Ar] 4s2 3d10 4p3