What is atomic mass?
Atomic structure

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Science
•
9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The atomic mass is the weighted average mass of an element's isotopes, measured in atomic mass units (amu).
2.
FLASHCARD QUESTION
Front
What subatomic particles are found in the nucleus of an atom?
Back
Protons and Neutrons.
3.
FLASHCARD QUESTION
Front
What is the charge of a proton?
Back
Positive charge.
4.
FLASHCARD QUESTION
Front
What is the charge of a neutron?
Back
Neutral (no charge).
5.
FLASHCARD QUESTION
Front
What is the charge of an electron?
Back
Negative charge.
6.
FLASHCARD QUESTION
Front
How do you calculate the number of neutrons in an atom?
Back
Number of Neutrons = Atomic Mass - Atomic Number.
7.
FLASHCARD QUESTION
Front
What is the atomic number of an element?
Back
The atomic number is the number of protons in the nucleus of an atom, which determines the element's identity.
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