MEDIUM
AS and A Level
IMPORTANT
Earn 100

Deduce the number of protons, neutrons and electrons in an atom or ion of this isotope, e.g. atom or ion.

Important Questions on Atomic Structure
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?

HARD
AS and A Level
IMPORTANT
What advantages and disadvantages could there be in using tiny clusters of atoms to help deliver medical drugs and in cancer treatment?
