MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Earn 100

Explain why the bond in a nitrogen molecule is called a triple bond.

Important Questions on Atoms Combining

EASY
Upper Secondary: IGCSE
IMPORTANT
What is a covalent compound?
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Give five examples of covalent compounds with their formulae.
HARD
Upper Secondary: IGCSE
IMPORTANT
Draw a diagram to show the bonding in a molecule of methane.
HARD
Upper Secondary: IGCSE
IMPORTANT
Draw a diagram to show the bonding in a molecule of water.
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
How do the atoms gain stable outer shells, in ammonia?
HARD
Upper Secondary: IGCSE
IMPORTANT
Draw a diagram to show the bonding in carbon dioxide.
HARD
Upper Secondary: IGCSE
IMPORTANT
Why is the carbon dioxide straight, and not bent like the water molecule?
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
The particles in solids usually form a regular lattice. Explain what it means in your own words.