Gallium Electron Configuration and Bonding

The video tutorial explains how to write the Lewis structure for gallium (Ga) by examining its position in the periodic table and its valence electrons. Gallium, in group 13, has three valence electrons. When forming bonds, gallium loses these electrons to become Ga3+. The video also explores gallium's electron configuration, highlighting the stability of the 3d electrons and the role of 4s2 4p1 in bonding. The tutorial concludes with the electron configuration for the gallium ion Ga3+.

What are the two methods mentioned for determining the Lewis structure of gallium?

• Using the periodic table and electron configuration

• Using isotopes and atomic number

• Using chemical reactions and physical properties

• Using atomic mass and density

In which group of the periodic table is gallium located?

• Group 17

• Group 18

• Group 13

• Group 1

How many valence electrons does gallium have?

• Four

• Three

• Two

• One

What happens to gallium's electrons when it forms bonds with other elements?

• It gains one electron

• It loses one electron

• It loses three electrons

• It gains three electrons

What charge does gallium have after losing its valence electrons?

• 2+

• 4+

• 1+

• 3+

What is the significance of the 3D electrons in gallium's electron configuration?

• They are involved in bonding

• They are unstable

• They are very stable and not involved in bonding

• They are lost during ion formation

Which electrons form the chemical bonds in gallium?

• 3D electrons

• 4f electrons

• 5s electrons

• 4s2 and 4p1 electrons

What is the electron configuration of the gallium ion GA 3+?

• 3d10 4p1

• 3d10 4s2

• 4s0 4p0

• 4s2 4p1

Who is the presenter of the video?

• Dr. C

• Dr. B

• Dr. A

• Dr. D

What is the main topic of the video?

• Industrial uses of gallium

• Electron configuration and Lewis structure of gallium

• Physical properties of gallium

• Chemical reactions of gallium