Lewis Dot Structure

Multiple Choice

What are valence electrons?

• The total number of electrons in an atom

• The number of electrons in the outermost shell

• The number of electrons in the second shell

• The number of protons in the outermost shell

Multiple Choice

According to the shell model of the atom, which of the following elements has a full outer energy level of electrons?

• krypton

• strontium

• iodine

• sodium

Multiple Choice

How would you draw a Lewis dot diagram for Magnesium?

Multiple Choice

What is the goal of the Lewis Dot Structure?

• To determine the electron position.

• To show the element's valence electrons & bonding capabilities.

• To find the atomic mass of an element.

• To search for the number of electrons in an individual atom.

Multiple Choice

Why do carbon, silicon, and tin all react similarly?

• They are located in the same period

• They have an even atomic number

• They have the same number of energy levels

• They are located in the same group

Multiple Choice

This could be the dot diagram of

• Mg

• Cl

• C

• O

Draw

Draw the electron dot diagram for lithium

Draw

Draw the electron dot diagram for silicon

Draw

Draw the electron dot diagram for fluorine

Multiple Choice

Which of the following is the correct Lewis dot structure for the molecule fluorine (F₂)?

• A
• B
• C
• D

Multiple Choice

Is this the correct structure for CH₂O?

• Yes

• No

Multiple Choice

Which of the following is the correct Lewis structure for water?

• A
• B
• C

Draw

Draw the lewis structure for dichloride (Cl₂)

Draw

Draw the lewis structure for dihydrogen sulfide (H₂S)

Draw

Draw the lewis structure for boron trifluoride (BF₃)

Draw

Draw the lewis structure for ammonia / nitrogen trihydride (NH₃)