Chemical Bonding (Grade 10 NSC Matric Physical Sciences): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is metallic bonding?
What is metallic bonding?
Electrostatic attraction between nuclei & delocalised
What happens to valence electrons in metals?
What happens to valence electrons in metals?
They become delocalised & move freely
What is the 'sea of delocalised electrons'?
What is the 'sea of delocalised electrons'?
Mobile flowing freely around all nuclei
Why are metals shiny?
Why are metals shiny?
Delocalised absorb & re-emit light
Why do metals conduct electricity?
Why do metals conduct electricity?
Delocalised are free to move & carry current
How do metals conduct heat?
How do metals conduct heat?
Delocalised transfer thermal energy quickly
Why do metals have high melting points?
Why do metals have high melting points?
Metallic bonds are strong & need lots of energy to break
Why do metals have high density?
Why do metals have high density?
Nuclei are packed tightly in crystal structure
What are crystal lattices in metals?
What are crystal lattices in metals?
Regular, repeating 3D patterns of atoms
What distinguishes metallic bonding from other bond types?
What distinguishes metallic bonding from other bond types?
Delocalised belong to entire structure