Tin(II) Nitrate and Polyatomic Ions

The video tutorial explains how to write the chemical formula for Tin(II) Nitrate. It begins by identifying the element symbols for tin (Sn) and nitrate (NO3-), emphasizing the importance of understanding ionic charges. The tutorial describes the crisscross method to balance charges and ensure the compound is neutral. Finally, it verifies the formula by checking the net charge, ensuring it sums to zero.

What is the chemical symbol for tin as found on the periodic table?

• Sn

• Tn

• Ti

• Si

Which of the following is a polyatomic ion involved in the formula for Tin(II) nitrate?

• NO2-

• NO3-

• NH4+

• OH-

What is the ionic charge of tin in Tin(II) nitrate?

• 1+

• 3+

• 4+

• 2+

How many nitrate ions are needed to balance the charge of one tin ion in Tin(II) nitrate?

• 3

• 4

• 1

• 2

What method is used to balance the charges in the formula for Tin(II) nitrate?

• Addition method

• Substitution method

• Crisscross method

• Elimination method

Why do we use parentheses around the nitrate ion in the formula for Tin(II) nitrate?

• To indicate it is a polyatomic ion

• To show it is a transition metal

• To separate it from the metal

• To denote it is a neutral compound

What is the net charge of the compound Tin(II) nitrate?

• 3+

• 0

• 1+

• 2-

What is the purpose of verifying the formula for Tin(II) nitrate?

• To confirm the net charge is zero

• To ensure the compound is ionic

• To validate the use of parentheses

• To check the number of atoms