What are isotopes?
Isotopes 1

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Chemistry
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9th - 12th Grade
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Hard
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1.
FLASHCARD QUESTION
Front
Back
Isotopes are variants of a chemical element that have the same number of protons but different numbers of neutrons, resulting in different atomic masses.
2.
FLASHCARD QUESTION
Front
How do isotopes of an element differ?
Back
Isotopes of an element differ in the number of neutrons they contain.
3.
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.
4.
FLASHCARD QUESTION
Front
How do you calculate the number of neutrons in an isotope?
Back
To find the number of neutrons, subtract the atomic number (number of protons) from the mass number (total number of protons and neutrons).
5.
FLASHCARD QUESTION
Front
What is the mass number of an isotope?
Back
The mass number is the total number of protons and neutrons in the nucleus of an atom.
6.
FLASHCARD QUESTION
Front
How many protons are in Carbon-12?
Back
6 protons.
7.
FLASHCARD QUESTION
Front
How many neutrons are in Carbon-12?
Back
6 neutrons.
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