Atomic Structure (AQA GCSE Physics): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What does the nucleus of an atom contain?
What does the nucleus of an atom contain?
Protons and neutrons
What is the relative charge of an electron?
What is the relative charge of an electron?
-1
What is the typical radius of an atom?
What is the typical radius of an atom?
m
How much smaller is the radius of the nucleus compared to the atom?
How much smaller is the radius of the nucleus compared to the atom?
10,000 times smaller
What did the Greeks believe about atoms?
What did the Greeks believe about atoms?
Tiny spheres that cannot be divided
What was Thomson's plum pudding model?
What was Thomson's plum pudding model?
Ball of positive charge with negative electrons in
In Rutherford's experiment, what did most alpha particles do?
In Rutherford's experiment, what did most alpha particles do?
Went straight through the foil
What did alpha particles bouncing back in Rutherford's experiment show?
What did alpha particles bouncing back in Rutherford's experiment show?
Mass is concentrated in the centre
What did Bohr call the orbits where electrons are found?
What did Bohr call the orbits where electrons are found?
Energy levels or shells
What subatomic particle did James Chadwick prove the existence of?
What subatomic particle did James Chadwick prove the existence of?
Neutron
What happens when an atom absorbs electromagnetic radiation?
What happens when an atom absorbs electromagnetic radiation?
Electron moves to higher energy level
What is the overall charge of an atom?
What is the overall charge of an atom?
No overall charge