Boron Electron Configuration Concepts

The video tutorial explains how to write the electron configuration for the B3+ ion, starting with the configuration for neutral boron. It details the process of using the periodic table to determine the electron configuration for boron, which has five electrons. The tutorial then explains how to adjust this configuration to account for the loss of three electrons, resulting in the B3+ ion configuration. The video emphasizes understanding the relationship between electron loss and positive charge formation.

What is the charge of a neutral boron atom?

• Positive

• Negative

• Variable

• Neutral

How many electrons does a neutral boron atom have?

• 5

• 3

• 7

• 9

Which tool is used to determine the electron configuration of boron?

• Graph

• Calculator

• Periodic Table

• Ruler

What is the electron configuration of neutral boron?

• 1s2 2s2 2p1

• 1s1 2s2 2p2

• 1s2 2s1 2p2

• 1s2 2s2 2p2

How many electrons can the 1s orbital hold?

• 4

• 3

• 2

• 1

What happens to the charge of boron when it loses three electrons?

• It becomes positively charged

• It becomes neutral

• It remains unchanged

• It becomes negatively charged

How many electrons are lost to form B3+ from neutral boron?

• 1

• 2

• 3

• 4

What is the electron configuration of B3+ ion?

• 1s2 2s1

• 1s2 2s2

• 1s2

• 1s1 2s2

What is the charge of B3+ ion?

• Neutral

• 2+

• 1+

• 3+

Who is the presenter of the video?

• Dr. A

• Dr. B

• Dr. C

• Dr. D