MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Earn 100

Why is diamond so hard?

Important Questions on Atoms Combining

HARD
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 4 - Atoms Combining>Q>Q 4
Why diamond and graphite have such very different properties? Draw diagrams to explain.
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 4 - Atoms Combining>Q>Q 5
Explain why silica has high melting point.
HARD
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 4 - Atoms Combining>Q>Q 5
Suggest a reason why the melting point of silica is lower than that of diamond.
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 4 - Atoms Combining>Exercise 12>Q ▲

Question Image 

What uses of metals can you see in this picture?

MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 4 - Atoms Combining>Q>Q 1
Describe in your own words, the structure of a metal.
EASY
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 4 - Atoms Combining>Q>Q 2
What is a metallic bond?
EASY
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 4 - Atoms Combining>Q>Q 3
What does malleable mean?
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 4 - Atoms Combining>Q>Q 4
Explain why metals can be drawn into thin wires without breaking?