HARD
Upper Secondary: IGCSE
IMPORTANT
Earn 100

Draw a diagram to show the bonding in carbon dioxide.

Important Questions on Atoms Combining

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.
EASY
Upper Secondary: IGCSE
IMPORTANT
Which type of particles make up the lattice in ionic compounds?
EASY
Upper Secondary: IGCSE
IMPORTANT
Which type of particles make up the lattice in covalent compounds?
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Solid sodium chloride will not conduct electricity, but a solution of sodium chloride will conduct. Explain this.
HARD
Upper Secondary: IGCSE
IMPORTANT
A compound melts at 20 °C. What kind of structure do you think it has? Why do you think so?
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
A compound melts at 20 °C. Will it conduct electricity at 25 °C? Give a reason.
HARD
Upper Secondary: IGCSE
IMPORTANT
Describe the arrangement of particles in ice. How will the arrangement change as the ice warms up?