Lewis Dot Diagrams Quiz

Which of the following elements has a Lewis dot diagram with three valence electrons?

• Helium

• Boron

• Carbon

• Nitrogen

What is the total number of valence electrons in a water molecule (H2O)?

• 6

• 8

• 10

• 12

True or False: The Lewis dot diagram for CO2 shows a double bond between the carbon and each oxygen atom.

• True

• False

Upload a file showing the Lewis dot diagram for NH3 (Ammonia).

Upload a file showing the Lewis dot diagram for CH4 (Methane).

True or False: In a Lewis dot diagram, the dots represent the protons in an atom.

• True

• False

Upload a file showing the Lewis dot diagram for O2 (Oxygen).

Which of the following elements would have a Lewis dot diagram with a single dot?

• Hydrogen

• Neon

• Oxygen

• Fluorine

How many lone pairs of electrons are present in the Lewis dot diagram of H2O?

• 0

• 1

• 2

• 3

Which of the following molecules has a Lewis dot structure with a triple bond?

• N2

• O2

• H2

• F2