Drawing Lewis Structures: Key Concepts and Techniques

What are the two types of chemical compounds discussed in the lesson?

• Metallic and Non-metallic

• Ionic and Covalent

• Covalent and Metallic

• Ionic and Metallic

What do metals do with their electrons in ionic compounds?

• Lose them

• Ignore them

• Gain them

• Share them

In an ionic compound, what charge does sodium (Na) have after losing an electron?

• No charge

• Neutral

• Positive

• Negative

What is the chemical formula for the ionic compound formed by sodium and chlorine?

• Na2Cl2

• NaCl2

• Na2Cl

• NaCl

In a covalent compound, how do nonmetals achieve stability?

• By ignoring electrons

• By sharing electrons

• By gaining electrons

• By losing electrons

How many electrons does hydrogen need to be stable in a covalent bond?

• 8

• 4

• 2

• 6

What is the chemical formula for methane (CH4)?

• CH4

• CH3

• C2H4

• C2H6

What do the lines in a Lewis structure diagram represent?

• One electron

• Three electrons

• Two electrons

• Four electrons

In the complex example, how many calcium atoms are needed to satisfy the phosphorus atoms?

• Four

• Three

• Two

• One

What should you bring to class tomorrow as per the lesson's end?

• A Lewis structure for NaCl

• A Lewis structure for H2O

• A Lewis structure for CO2

• A Lewis structure for CH4