Silver Cyanide and Ion Charges

The video tutorial explains how to write the formula for silver cyanide. It begins by identifying the element symbol for silver and the cyanide ion, which is not found on the periodic table. The tutorial discusses the ionic charge of the cyanide ion and the need for charge balancing in ionic compounds. Silver, a transition metal, has a consistent charge of one plus, while the cyanide ion has a charge of one minus. The video emphasizes the importance of achieving charge neutrality, resulting in the formula AgCN for silver cyanide.

What is the element symbol for silver?

• Ag

• Sn

• Au

• Si

Which of the following is true about the cyanide ion?

• It is found on the periodic table

• It is a polyatomic ion

• It has a charge of one plus

• It is a metal

What type of compound is formed by silver and cyanide?

• Covalent

• Ionic

• Metallic

• Molecular

What is the charge of a silver ion in silver cyanide?

• One plus

• One minus

• Two plus

• Zero

How do the charges of silver and cyanide ions in silver cyanide add up?

• They add up to two

• They add up to minus one

• They add up to one

• They add up to zero

What is the chemical formula for silver cyanide?

• AgCN

• AgC

• AgN

• AgC2N