Atomic structure
Flashcard
•
Science
•
9th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the atomic number?
Back
The atomic number is the number of protons in the nucleus of an atom, which determines the element's identity.
2.
FLASHCARD QUESTION
Front
What particles are found in the nucleus of an atom?
Back
The nucleus contains protons and neutrons.
3.
FLASHCARD QUESTION
Front
What is the charge of a proton?
Back
A proton has a positive charge.
4.
FLASHCARD QUESTION
Front
What is the charge of a neutron?
Back
A neutron has no charge (neutral).
5.
FLASHCARD QUESTION
Front
What is the charge of an electron?
Back
An electron has a negative charge.
6.
FLASHCARD QUESTION
Front
How do you calculate the atomic mass of an element?
Back
The atomic mass is calculated by adding the number of protons and neutrons in the nucleus.
7.
FLASHCARD QUESTION
Front
What is the difference between atomic number and atomic mass?
Back
The atomic number is the number of protons, while the atomic mass is the total number of protons and neutrons.
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