

Electromagnetic Radiation and Electron Energy Levels Explained
Interactive Video
•
Physics, Chemistry, Science
•
9th - 10th Grade
•
Practice Problem
•
Hard
Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when white light passes through a prism?
It gets absorbed completely.
It separates into different colors.
It becomes invisible.
It turns into a single color.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is observed when a gas is excited and its light is passed through a prism?
A continuous spectrum.
A single color.
No light at all.
Discrete lines or bands.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can electrons be excited?
By placing them in a vacuum.
By applying an electric current or heat.
By mixing them with water.
By cooling them down.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the process called when an electron releases energy and returns to its ground state?
Refraction
Absorption
Reflection
Emission
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What did Niels Bohr propose about the electron in a hydrogen atom?
It does not exist in hydrogen.
It moves randomly around the nucleus.
It can only occupy certain energy states.
It can occupy any energy state.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to Bohr, what happens to the energy levels as they move away from the nucleus?
They become more negative.
They disappear.
They become more positive.
They remain constant.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of Bohr's formula in calculating energy changes?
It is irrelevant in modern chemistry.
It is used to calculate mass.
It only works for hydrogen.
It applies to all elements.
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