What are isotopes?
Atoms Ions and Isotopes

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Science
•
12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Isotopes are atoms of the same element that have the same number of protons but different numbers of neutrons, resulting in different atomic masses.
2.
FLASHCARD QUESTION
Front
What is the atomic mass of an isotope?
Back
The atomic mass 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
To find the number of neutrons, subtract the atomic number (number of protons) from the mass number (total protons and neutrons).
4.
FLASHCARD QUESTION
Front
What is the charge of an atom that has lost an electron?
Back
The charge of an atom that has lost an electron is +1.
5.
FLASHCARD QUESTION
Front
What is a cation?
Back
A cation is a positively charged ion that forms when an atom loses one or more electrons.
6.
FLASHCARD QUESTION
Front
What is an anion?
Back
An anion is a negatively charged ion that forms when an atom gains one or more electrons.
7.
FLASHCARD QUESTION
Front
What determines the charge of an ion?
Back
The charge of an ion is determined by the difference between the number of protons and electrons in the atom.
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