Isotopes and Ion
Flashcard
•
Chemistry
•
11th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an isotope?
Back
An isotope is a variant of a chemical element that has the same number of protons but a different number of neutrons, resulting in a different mass number.
2.
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.
3.
FLASHCARD QUESTION
Front
How do you determine the number of neutrons in an isotope?
Back
Subtract the atomic number (number of protons) from the mass number.
4.
FLASHCARD QUESTION
Front
What is the charge of an ion?
Back
The charge of an ion is determined by the difference between the number of protons and electrons in an atom.
5.
FLASHCARD QUESTION
Front
What is a cation?
Back
A cation is a positively charged ion, formed when an atom loses one or more electrons.
6.
FLASHCARD QUESTION
Front
What is an anion?
Back
An anion is a negatively charged ion, formed when an atom gains one or more electrons.
7.
FLASHCARD QUESTION
Front
What is the significance of valence electrons?
Back
Valence electrons are the outermost electrons of an atom and are important for determining how an atom will bond with other atoms.
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