What is emission spectra?
Atomic Structure Q1

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Chemistry
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9th - 12th Grade
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Hard
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1.
FLASHCARD QUESTION
Front
Back
The emission spectra is the unique pattern of light emitted by an atom or molecule when it transitions from a higher energy state to a lower energy state.
2.
FLASHCARD QUESTION
Front
What are subatomic particles with a negative charge?
Back
Electrons.
3.
FLASHCARD QUESTION
Front
What are subatomic particles with a positive charge?
Back
Protons.
4.
FLASHCARD QUESTION
Front
What are nonmetals usually considered?
Back
Usually negative ions.
5.
FLASHCARD QUESTION
Front
How many neutrons does Potassium-39 have?
Back
20.
6.
FLASHCARD QUESTION
Front
What is the charge of neutrons?
Back
Neutrons have no charge (neutral).
7.
FLASHCARD QUESTION
Front
What is the atomic number of an element?
Back
The number of protons in the nucleus of an atom.
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