What does the atomic number represent in a nuclear symbol?
Nuclear Chemistry

Flashcard
•
Chemistry
•
10th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The atomic number represents the number of protons in the nucleus of an atom.
2.
FLASHCARD QUESTION
Front
What happens to the atomic number of an element after alpha decay?
Back
The atomic number decreases by 2.
3.
FLASHCARD QUESTION
Front
What is the mass number of an element?
Back
The mass number is the total number of protons and neutrons in the nucleus of an atom.
4.
FLASHCARD QUESTION
Front
What distinguishes isotopes of the same element?
Back
Isotopes of the same element differ in the number of neutrons.
5.
FLASHCARD QUESTION
Front
What are gamma rays?
Back
Gamma rays are high-energy photons emitted by radioactive substances.
6.
FLASHCARD QUESTION
Front
What is nuclear fission?
Back
Nuclear fission is a reaction in which the nucleus of an atom splits into smaller parts, releasing energy.
7.
FLASHCARD QUESTION
Front
What is nuclear fusion?
Back
Nuclear fusion is a process where two light atomic nuclei combine to form a heavier nucleus, releasing energy.
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