Tin and Its Electron Configuration

The video tutorial explains the concept of valence electrons, focusing on tin (Sn) as an example. It discusses the organization of the periodic table, highlighting how groups determine the number of valence electrons. The tutorial delves into the electron configuration of tin, using krypton as a noble gas core reference, and explains how to count valence electrons. It also covers how tin forms ions and the role of valence electrons in chemical bonds, emphasizing the stability of full electron shells. The video concludes with a summary of key points.

Which group in the periodic table has elements with one valence electron?

• Group 1

• Group 13

• Group 2

• Group 18

What is the total number of electrons in tin?

• 52

• 50

• 54

• 48

Which noble gas is used as a reference in the condensed electron configuration of tin?

• Argon

• Xenon

• Neon

• Krypton

How many valence electrons are typically involved in chemical bonds for tin?

• 5

• 2

• 3

• 4

When tin forms a 4+ ion, how many electrons does it lose?

• 4

• 5

• 3

• 2

What is the charge of a tin ion that loses two valence electrons?

• 4+

• 2+

• 1+

• 3+

According to the practical approach, how many valence electrons does tin have?

• 4

• 5

• 3

• 2

What is the definition of valence electrons in transition metals?

• Electrons in the outermost shell

• All electrons in the atom

• Electrons outside the noble gas core

• Electrons in the innermost shell

Which electron configuration is considered stable and less likely to form chemical bonds?

• 5p2

• 5s2

• 6s2

• 4d10

What is the typical oxidation state of tin when it forms chemical bonds?

• 1+

• 2+

• 4+

• 3+