Lithium Nitrate and Ionic Compounds

The video tutorial explains how to write the chemical formula for lithium nitrate. It begins by identifying lithium on the periodic table and recognizing nitrate as a polyatomic ion, NO3-. The tutorial emphasizes the importance of understanding ionic compounds, which consist of metals and nonmetals, and balancing their charges. Lithium, a Group 1 element, has a +1 charge, while the nitrate ion has a -1 charge. These charges balance to form the neutral compound LiNO3. The video concludes with a recap of the formula and thanks viewers for watching.

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

• Ln

• L

• Li

• Lt

Which of the following is a polyatomic ion that needs to be memorized for writing the formula of lithium nitrate?

• NO2-

• NH4+

• NO3-

• CO3^2-

What type of compound is formed when a metal and nonmetals combine, as in lithium nitrate?

• Ionic compound

• Covalent compound

• Molecular compound

• Metallic compound

What is the ionic charge of lithium in lithium nitrate?

• 2+

• 0

• 1+

• 1-

How do the charges of lithium and nitrate ions combine to form a neutral compound?

• 1+ and 2- add to zero

• 2+ and 2- add to zero

• 1+ and 1- add to zero

• 2+ and 1- add to zero

What is the final chemical formula for lithium nitrate?

• LiNO2

• Li3NO

• LiNO3

• Li2NO3