Covalent Bonding
Chemistry ⇒ Chemical Bonding and Structure
Covalent Bonding starts at 8 and continues till grade 12.
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See sample questions for grade 10
Context: The Lewis structure of methane (CH4) shows four single bonds between carbon and hydrogen atoms.
How many electrons are shared in total in a methane molecule?
Context: The Lewis structure of water (H2O) shows two single bonds and two lone pairs on the oxygen atom.
How many total valence electrons are present in a water molecule?
Describe the difference between a single, double, and triple covalent bond.
Describe what is meant by the term 'electronegativity' in the context of covalent bonding.
Explain why covalent compounds generally do not conduct electricity.
Explain why diamond has a very high melting point.
Explain why the HCl molecule is polar.
What is the maximum number of covalent bonds that a carbon atom can form?
