Writing Chemical Formulas for Ionic and Covalent Compounds

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

• Ionic compound

• Organic compound

• Metallic compound

• Covalent compound

Which of the following is an example of an ionic compound?

• Sulfur dioxide

• Water

• Calcium chloride

• Methane

What do you need to consider when dealing with ionic compounds?

• Electron configuration

• Molecular weight

• Ionic charge

• Atomic number

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

NGSS.HS-PS1-3

What type of compound is formed when two non-metals combine?

• Ionic compound

• Covalent compound

• Organic compound

• Metallic compound

Which of the following is an example of a covalent compound?

• Magnesium oxide

• Calcium chloride

• Sulfur dioxide

• Sodium chloride

Tags

NGSS.MS-PS1-1

What is the ionic charge of calcium in calcium chloride?

• 4+

• 3+

• 1+

• 2+

What is the ionic charge of chlorine in calcium chloride?

• 1-

• 4-

• 2-

• 3-

What method is used to write the formula for calcium chloride?

• Molecular method

• Crisscross method

• Prefix method

• Empirical method

What does the prefix 'di' indicate in sulfur dioxide?

• Two oxygen atoms

• One oxygen atom

• Three oxygen atoms

• Four oxygen atoms

Tags

NGSS.MS-PS1-1

How do you write the formula for sulfur dioxide?

• S2O2

• S2O

• SO

• SO2

Tags

NGSS.MS-PS1-1