Ionic Compounds and Lithium Chemistry

This video tutorial explains how to write the chemical formula for lithium carbonate. It begins by identifying lithium on the periodic table and recognizing carbonate as a polyatomic ion. The tutorial details the ionic charges of lithium and carbonate, emphasizing the need to balance these charges to achieve a net charge of zero. The final formula for lithium carbonate, Li2CO3, is derived by ensuring the charges are balanced, with two lithium ions balancing the charge of one carbonate ion.

What is the element symbol for lithium?

• Lt

• Li

• L

• Lm

Which of the following is a polyatomic ion?

• H2

• O2

• CO3

• Li

What is the ionic charge of the carbonate ion?

• 1-

• 1+

• 2+

• 2-

In which group of the periodic table is lithium found?

• Group 3

• Group 4

• Group 2

• Group 1

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

• Two

• One

• Four

• Three

What is the correct chemical formula for lithium carbonate?

• LiCO3

• Li2CO3

• Li2C

• Li3CO3