Isotopes Review
Flashcard
•
Chemistry, Science
•
10th - 12th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What determines the identity of an atom?
Back
The number of protons in the nucleus.
2.
FLASHCARD QUESTION
Front
What is an isotope?
Back
Atoms of the same element that have the same number of protons but different numbers of neutrons.
3.
FLASHCARD QUESTION
Front
How do you calculate the mass number of an atom?
Back
Mass number = Number of protons + Number of neutrons.
4.
FLASHCARD QUESTION
Front
What is the mass number of Beryllium-9?
Back
9 (it has 4 protons and 5 neutrons).
5.
FLASHCARD QUESTION
Front
What is the difference between protons and neutrons?
Back
Protons are positively charged particles, while neutrons have no charge.
6.
FLASHCARD QUESTION
Front
How many protons does Xenon have?
Back
Xenon has 54 protons.
7.
FLASHCARD QUESTION
Front
What is the mass number of an atom with 61 neutrons and 54 protons?
Back
Mass number = 54 + 61 = 115.
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