The Atom (Edexcel GCSE Physics Combined Science): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is the relative charge of a proton?
What is the relative charge of a proton?
+1
What is the relative mass of an electron?
What is the relative mass of an electron?
0 (0.0005)
What is the typical radius of an atom?
What is the typical radius of an atom?
metres
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
Where is most of the mass of an atom concentrated?
Where is most of the mass of an atom concentrated?
In the nucleus
What did Thomson's plum pudding model propose?
What did Thomson's plum pudding model propose?
Ball of positive charge with negative electrons
What particles did Rutherford fire at gold foil in his experiment?
What particles did Rutherford fire at gold foil in his experiment?
Alpha particles
What did Rutherford conclude when most alpha particles went straight through the gold foil?
What did Rutherford conclude when most alpha particles went straight through the gold foil?
Atom is mostly empty space
What did Bohr's model propose about electron orbits?
What did Bohr's model propose about electron orbits?
Electrons orbit at specific distances
What did James Chadwick prove the existence of?
What did James Chadwick prove the existence of?
The neutron
Where are the higher energy levels located?
Where are the higher energy levels located?
Further from the nucleus
What happens when an atom absorbs EM radiation?
What happens when an atom absorbs EM radiation?
Electron moves to higher energy level