isotope

Flashcard
•
Chemistry
•
10th - 11th Grade
•
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.
2.
FLASHCARD QUESTION
Front
How do Neon-20 and Neon-22 differ?
Back
Neon-20 has 10 neutrons, while Neon-22 has 12 neutrons.
3.
FLASHCARD QUESTION
Front
What is the relationship between protons and electrons in a neutral atom?
Back
In a neutral atom, the number of electrons is equal to the number of protons.
4.
FLASHCARD QUESTION
Front
What happens if a proton is added to an atom?
Back
The atom becomes a different element.
5.
FLASHCARD QUESTION
Front
What is the atomic mass of an isotope based on?
Back
The atomic mass of an isotope is equal to the sum of its protons and neutrons.
6.
FLASHCARD QUESTION
Front
What is the mass number of an atom?
Back
The mass number is the total number of protons and neutrons in the nucleus of an atom.
7.
FLASHCARD QUESTION
Front
What is the significance of neutrons in isotopes?
Back
Neutrons contribute to the mass of an atom and can affect the stability of the nucleus.
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