Lithium and Iodine Compounds

The video tutorial explains how to determine the chemical formula for lithium iodide by examining the periodic table. It identifies lithium as 'Li' and iodide as 'I', forming an ionic compound. The tutorial emphasizes the need to balance the charges, with lithium having a +1 charge and iodine a -1 charge, resulting in a net charge of zero. The final formula for lithium iodide is presented as 'LiI'.

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

• Lt

• L

• Lm

• Li

Which of the following best describes the nature of lithium iodide?

• A molecular compound

• An ionic compound

• A covalent compound

• A metallic compound

What is the charge of a lithium ion?

• +1

• +2

• 0

• -1

What is the charge of an iodide ion?

• +1

• 0

• -1

• +2

What is the correct formula for lithium iodide?

• Li2I2

• LiI

• Li2I

• LiI2