PCl4+ Lewis Structure and Valence Electrons

The video tutorial explains how to draw the Lewis structure for the PCl4+ ion. It begins by calculating the total number of valence electrons, considering the contributions from phosphorus and chlorine atoms, and accounting for the positive charge. The tutorial then guides viewers through placing phosphorus at the center and arranging chlorine atoms around it. Electrons are distributed to form chemical bonds and satisfy the octet rule. Finally, the structure is enclosed in brackets with a plus sign to indicate the ion's charge. The tutorial concludes with a brief summary.

How many valence electrons does phosphorus contribute to the PCl4+ Lewis structure?

• 8

• 7

• 5

• 3

What is the total number of valence electrons in the PCl4+ ion?

• 34

• 32

• 36

• 30

Which element is placed at the center of the PCl4+ Lewis structure?

• Phosphorus

• Nitrogen

• Chlorine

• Oxygen

How many chlorine atoms are arranged around the central phosphorus atom in PCl4+?

• 4

• 3

• 2

• 5

How many valence electrons are used to form chemical bonds between phosphorus and chlorine atoms?

• 4

• 6

• 8

• 10

What is the total number of valence electrons used to fill the octets of the chlorine atoms?

• 16

• 32

• 24

• 26

What is the purpose of adding brackets around the PCl4+ Lewis structure?

• To highlight the central atom

• To show it is an ion

• To indicate the structure is complete

• To separate it from other structures

What symbol is added to the PCl4+ Lewis structure to indicate its charge?

• 3+

• 2+

• +

• -