Why are electrons considered crucial in the study of chemistry?

Electrons, Energy, and Emission: The Color Connection in Chemistry and Physics

Interactive Video
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Chemistry, Physics, Science
•
9th - 10th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
They determine the atomic number.
They are involved in chemical bonding and light emission.
They are responsible for the atom's mass.
They are the heaviest part of an atom.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the relationship between the color of a flame and its energy?
Flame color does not relate to energy.
All flames have the same energy.
Blue flames have higher energy than red flames.
Red flames are hotter than blue flames.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a Bohr diagram represent?
The atomic mass of an element.
The distribution of electrons in an atom's energy levels.
The arrangement of protons in an atom.
The chemical properties of an element.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does an electron emit light?
By losing energy and moving to a lower energy level.
By staying in the same energy level.
By colliding with another electron.
By gaining energy and moving to a higher energy level.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when an electron moves to a higher energy level?
It emits light.
It becomes a proton.
It absorbs energy.
It loses energy.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What determines the color of light emitted by an electron?
The temperature of the environment.
The size of the atom.
The distance the electron moves between energy levels.
The number of protons in the atom.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of photons in electron excitation?
They are packets of energy that excite electrons.
They are particles that decrease energy levels.
They are responsible for the mass of an atom.
They are used to measure atomic weight.
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