Electron energy levels (Edexcel GCSE Physics Combined Science): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
ShowHide
Practise the questions
12 questions from this quiz
What is another name for energy levels in an atom?
What is another name for energy levels in an atom?
Shells
Where can electrons exist in an atom?
Where can electrons exist in an atom?
Only at specific energy levels
Which energy levels have lower energy?
Which energy levels have lower energy?
Those closer to the nucleus
What happens when an electron moves up an energy level?
What happens when an electron moves up an energy level?
Electromagnetic radiation is absorbed
What does it mean when an electron is 'excited'?
What does it mean when an electron is 'excited'?
It moves to a higher energy level
What happens when an electron moves down an energy level?
What happens when an electron moves down an energy level?
Releases electromagnetic radiation
What happens to an atom when it becomes ionised?
What happens to an atom when it becomes ionised?
It loses an electron
What is a free electron?
What is a free electron?
An electron that has left the atom
What charge does an ionised atom have?
What charge does an ionised atom have?
Positive
What is ionising radiation?
What is ionising radiation?
Radiation that knocks electrons out
How do energy levels change further from the nucleus?
How do energy levels change further from the nucleus?
They get closer together
How does energy difference relate to radiation frequency?
How does energy difference relate to radiation frequency?
Greater difference = higher frequency