The structure of the atom (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 is the charge and mass of a proton?
What is the charge and mass of a proton?
Charge +1, mass 1
What is the charge and mass of an electron?
What is the charge and mass of an electron?
Charge -1, mass 0
What particles are found in the nucleus of an atom?
What particles are found in the nucleus of an atom?
Protons and neutrons
Why does the nucleus always have a positive charge?
Why does the nucleus always have a positive charge?
It contains protons
Where is most of an atom's mass located?
Where is most of an atom's mass located?
In the nucleus
Why are atoms neutral overall?
Why are atoms neutral overall?
Protons cancel out electrons
What is the approximate diameter of an atom?
What is the approximate diameter of an atom?
m
How many times smaller is the nucleus than the whole atom?
How many times smaller is the nucleus than the whole atom?
100,000 times
What happens when an electron absorbs electromagnetic radiation?
What happens when an electron absorbs electromagnetic radiation?
Moves to higher energy level
What happens when an electron emits electromagnetic radiation?
What happens when an electron emits electromagnetic radiation?
Drops to lower energy level
What is the diameter of a nucleus?
What is the diameter of a nucleus?
About m