EASY
AS and A Level
IMPORTANT
Earn 100
What do the terms mass number and proton number mean?
Important Questions on Atomic Structure
MEDIUM
AS and A Level
IMPORTANT
Deduce the number of protons, neutrons and electrons in an atom or ion of this isotope, e.g. atom or ion.
MEDIUM
AS and A Level
IMPORTANT
How can you easily identify the group and period of an element?
MEDIUM
AS and A Level
IMPORTANT
Identify the position of metals, non-metals and metalloids in the periodic table.
MEDIUM
AS and A Level
IMPORTANT
Explain in terms of number of protons and electrons why a sodium ion has a single positive charge but an oxide ion has a charge.
MEDIUM
AS and A Level
IMPORTANT
Explain what you know about attraction or repulsion of positive and negative charges.
MEDIUM
AS and A Level
IMPORTANT
Why do you think that tiny clusters of atoms are useful for catalysts?
HARD
AS and A Level
IMPORTANT
How do you think that you could make tiny clusters of metal atoms on a cold surface?
Tip: Think about breathing onto a cold surface.
MEDIUM
AS and A Level
IMPORTANT
What other uses could be made of tiny groups/clusters of atoms?
