P.S 7.2 Isotopes
Flashcard
•
Chemistry
•
10th Grade
•
Practice Problem
•
Hard
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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 atomic masses.
2.
FLASHCARD QUESTION
Front
How do isotopes of the same element differ?
Back
Isotopes of the same element differ in the number of neutrons and, consequently, in their atomic mass.
3.
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.
4.
FLASHCARD QUESTION
Front
How do you identify isotopes using symbols?
Back
Isotopes are identified by their chemical symbol followed by the mass number (e.g., Carbon-12 is represented as ¹²C).
5.
FLASHCARD QUESTION
Front
What is the relationship between protons, neutrons, and atomic mass in isotopes?
Back
The atomic mass of an isotope is primarily determined by the sum of its protons and neutrons.
6.
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 defines the element.
7.
FLASHCARD QUESTION
Front
How many neutrons are in Iodine-133?
Back
Iodine-133 has 80 neutrons (133 - 53 protons = 80 neutrons).
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