Flame Emission Spectroscopy (AQA GCSE Chemistry): Quizzes
📚Quizzes
Practise the questions
11 questions from this quiz
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Practise the questions
11 questions from this quiz
What is flame emission spectroscopy used for?
What is flame emission spectroscopy used for?
Analysing elements & ions in a sample
What is the visual output produced by a spectrometer called?
What is the visual output produced by a spectrometer called?
Line spectrum
What happens to electrons when a sample is heated in a flame?
What happens to electrons when a sample is heated in a flame?
They become excited
Where do excited electrons move to in an atom?
Where do excited electrons move to in an atom?
Higher energy levels
What do electrons release when returning to lower energy levels?
What do electrons release when returning to lower energy levels?
Radiation
What does a line spectrum consist of?
What does a line spectrum consist of?
Narrow lines at specific wavelengths
Why is the pattern of lines in a spectrum useful?
Why is the pattern of lines in a spectrum useful?
It's unique to specific ions or atoms
What is a line spectrum compared to?
What is a line spectrum compared to?
A fingerprint
What determines the position of lines in a spectrum?
What determines the position of lines in a spectrum?
Charge & electron configuration
What application does flame emission spectroscopy have in astrophysics?
What application does flame emission spectroscopy have in astrophysics?
Studying composition of stars
What does the intensity of emission lines indicate?
What does the intensity of emission lines indicate?
Concentration of ions in sample