Isotopes
Flashcard
•
Science
•
10th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an isotope?
Back
Isotopes are variants of a particular chemical element that have the same number of protons but different numbers of neutrons, resulting in different mass numbers.
2.
FLASHCARD QUESTION
Front
What is the mass number of an isotope?
Back
The mass number of an isotope is the total number of protons and neutrons in its nucleus.
3.
FLASHCARD QUESTION
Front
How do you calculate the number of neutrons in an isotope?
Back
Number of Neutrons = Mass Number - Atomic Number.
4.
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.
5.
FLASHCARD QUESTION
Front
What is the difference between atomic mass and mass number?
Back
Atomic mass is the weighted average mass of an element's isotopes, while mass number is the total count of protons and neutrons in a specific isotope.
6.
FLASHCARD QUESTION
Front
What is Carbon-12?
Back
Carbon-12 is an isotope of carbon with 6 protons and 6 neutrons, and it is the most common isotope of carbon.
7.
FLASHCARD QUESTION
Front
What is Carbon-14 used for?
Back
Carbon-14 is used in radiocarbon dating to determine the age of organic materials.
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