Sodium Chloride and Ionic Compounds

The video tutorial explains how to write the formula for sodium chloride by identifying sodium as a metal and chlorine as a non-metal, forming an ionic compound. It discusses the importance of understanding ionic charges using the periodic table, where sodium has a 1+ charge and chlorine has a 1- charge, which cancel each other out to form NaCl. The tutorial emphasizes the utility of the periodic table in determining these charges.

What type of compound is formed when a metal and a non-metal combine?

• Covalent compound

• Metallic compound

• Molecular compound

• Ionic compound

Which element is a metal in the formation of sodium chloride?

• Hydrogen

• Sodium

• Chlorine

• Oxygen

What is the ionic charge of sodium in sodium chloride?

• 2+

• 1+

• 1-

• 0

What is the ionic charge of chlorine in sodium chloride?

• 1-

• 1+

• 2-

• 0

How do the charges of sodium and chlorine interact in sodium chloride?

• They cancel each other out

• They repel each other

• They form a covalent bond

• They remain unchanged

What is the chemical formula for sodium chloride?

• NaCl

• NaCl2

• Na2Cl

• Na2Cl2