Electrons and Bonding (OCR A-Level Chemistry A): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the key difference between covalent and ionic bonding?
What is the key difference between covalent and ionic bonding?
Electrons are shared vs. transferred
How does a covalent bond form between two atoms?
How does a covalent bond form between two atoms?
Atomic orbitals overlap with unpaired e⁻
How many covalent bonds does nitrogen typically form?
How many covalent bonds does nitrogen typically form?
3 bonds
Why can Period 3 elements exceed the octet rule?
Why can Period 3 elements exceed the octet rule?
d-orbitals become available for bonding
How many electrons does sulfur have around it in ?
How many electrons does sulfur have around it in ?
12 electrons
What is a dative covalent bond?
What is a dative covalent bond?
Both e⁻ in shared pair from same atom
What does higher bond enthalpy indicate?
What does higher bond enthalpy indicate?
Stronger bond
How many electrons surround boron in ?
How many electrons surround boron in ?
6 electrons
What type of attraction exists in covalent bonding?
What type of attraction exists in covalent bonding?
Localised between shared e⁻ & 2 nuclei
How many pairs of electrons are shared in a double bond?
How many pairs of electrons are shared in a double bond?
2 pairs (4 electrons)