Lewis Structures
Chemistry ⇒ Chemical Bonding and Structure
Lewis Structures starts at 9 and continues till grade 12.
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See sample questions for grade 10
Describe the difference between a single, double, and triple bond in a Lewis structure.
Describe the steps involved in drawing a Lewis structure for a simple molecule.
Draw the Lewis structure for carbon dioxide (CO2). How many double bonds are present?
Explain why helium does not form bonds in Lewis structures.
Explain why hydrogen can only form one single bond in a Lewis structure.
How many lone pairs are present on the central atom in the Lewis structure of ammonia (NH3)?
How many single bonds are present in the Lewis structure of ethane (C2H6)?
How many valence electrons are present in a molecule of ammonia (NH3)?
How many valence electrons are present in the Lewis structure of the carbonate ion (CO32-)?
In the Lewis structure of formaldehyde (CH2O), how many total bonds are present?
In the Lewis structure of nitrogen gas (N2), how many shared pairs of electrons are there between the two nitrogen atoms?
In the Lewis structure of ozone (O3), how many resonance structures can be drawn?
