Isotopes , Ions and Average Atomic Mass

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•
Chemistry
•
10th - 12th Grade
•
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.
2.
FLASHCARD QUESTION
Front
What is an ion?
Back
An ion is an atom or molecule that has a net electrical charge due to the loss or gain of one or more electrons.
3.
FLASHCARD QUESTION
Front
What is average atomic mass?
Back
Average atomic mass is the weighted average of the masses of an element's isotopes, taking into account their relative abundances.
4.
FLASHCARD QUESTION
Front
How do you determine 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 of the isotope.
5.
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.
6.
FLASHCARD QUESTION
Front
What is the relationship between protons and electrons in a neutral atom?
Back
In a neutral atom, the number of protons equals the number of electrons.
7.
FLASHCARD QUESTION
Front
How many protons does Carbon-12 have?
Back
Carbon-12 has 6 protons.
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