Ionic Compounds and Their Properties

The video tutorial explains how to name the compound NH4Cl4 by identifying its polyatomic ions. NH4 is recognized as the ammonium ion, while Cl4 is identified as the perchlorate ion. The video discusses the ionic charges of these ions, with NH4 having a +1 charge and Cl4 having a -1 charge, leading to the formation of an ionic compound. The tutorial outlines the rules for naming such compounds, emphasizing naming the positive ion first, followed by the polyatomic ion. The video concludes with the final naming of NH4Cl4.

What is the name of the NH4 ion?

• Nitrate

• Perchlorate

• Chloride

• Ammonium

Which ion is known as perchlorate?

• NO3

• Cl4

• SO4

• NH4

What is the charge of the NH4 ion?

• 1+

• 2+

• 1-

• 2-

How do NH4 and Cl4 ions combine to form a compound?

• By sharing electrons

• By ionic attraction

• By forming a covalent bond

• By hydrogen bonding

In naming ionic compounds, which ion is named first?

• The metal ion

• The larger ion

• The negative ion

• The positive ion