Ionic Compounds and Silver Carbonate

The video tutorial explains how to write the chemical formula for silver carbonate. It begins by identifying silver and carbonate ions, noting that silver is a metal and carbonate is a polyatomic ion. The tutorial discusses the ionic nature of the compound and the importance of charge balancing. Silver, a transition metal, typically has a variable charge, but in this case, it is always +1. The crisscross method is used to balance the charges, resulting in the formula Ag2CO3. The tutorial concludes by verifying the formula and ensuring the net charge is zero.

What is the chemical symbol for silver?

• Si

• Au

• Al

• Ag

What is the charge of the carbonate ion?

• 1-

• 1+

• 2+

• 2-

Why is silver considered an exception among transition metals?

• It forms covalent bonds.

• It is not a metal.

• It has a variable charge.

• It has a fixed charge of 1+.

What method is used to balance the charges in silver carbonate?

• Addition method

• Substitution method

• Crisscross method

• Cross-multiplication method

What is the formula for silver carbonate?

• AgCO3

• Ag2CO3

• Ag3CO2

• Ag2C

How many silver atoms are needed to balance the charge of one carbonate ion?

• Four

• Three

• Two

• One

What is the net charge of silver carbonate?

• 1+

• 3+

• 0

• 2-

What is the purpose of the crisscross method in forming ionic compounds?

• To balance the charges

• To find the atomic number

• To calculate the density

• To determine the molecular weight

What is the final step in verifying the formula for silver carbonate?

• Checking the atomic mass

• Measuring the compound's volume

• Ensuring the net charge is zero

• Counting the number of atoms