HARD
Upper Secondary: IGCSE
IMPORTANT
Earn 100

Draw a diagram to show how chlorine atom gains a stable outer shell of 8 electrons.

Important Questions on Atoms Combining

MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Explain why a sodium ion has a charge of 1+.
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Explain why a chloride ion has a charge of -1.
EASY
Upper Secondary: IGCSE
IMPORTANT
Explain what an ion is, in your own words.
HARD
Upper Secondary: IGCSE
IMPORTANT
Draw a diagram to show what happens to the electrons, when a sodium atom reacts with a chlorine atom?
EASY
Upper Secondary: IGCSE
IMPORTANT
What is an ionic bond?
HARD
Upper Secondary: IGCSE
IMPORTANT
Describe in your own words the structure of solid sodium chloride, and explain why its formula is NaCl.
EASY
Upper Secondary: IGCSE
IMPORTANT
Explain why a magnesium ion has a charge of 2+.
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Explain why the ions in magnesium oxide stay together.