Isotopes
Flashcard
•
Chemistry
•
10th Grade
•
Practice Problem
•
Hard
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1.
FLASHCARD QUESTION
Front
What are isotopes?
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 differ in the number of neutrons and atomic mass, but they have the same number of protons and electrons.
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
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 isotope.
5.
FLASHCARD QUESTION
Front
How many protons does carbon-12 have?
Back
Carbon-12 has 6 protons.
6.
FLASHCARD QUESTION
Front
How many neutrons does carbon-14 have?
Back
Carbon-14 has 8 neutrons.
7.
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 number of protons and neutrons in a specific isotope.
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