16b Atomic Model
Flashcard
•
Chemistry
•
8th Grade
•
Hard
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15 questions
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1.
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.
2.
FLASHCARD QUESTION
Front
How do you calculate the number of neutrons in an atom?
Back
Number of neutrons = Mass number - Atomic number.
3.
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.
4.
FLASHCARD QUESTION
Front
What does it mean if an atom is neutral?
Back
An atom is neutral if it has an equal number of protons and electrons.
5.
FLASHCARD QUESTION
Front
What particle determines the electrical charge of an atom?
Back
The electron determines the electrical charge of an atom.
6.
FLASHCARD QUESTION
Front
What is the significance of the periodic table in chemistry?
Back
The periodic table organizes elements based on their atomic number, electron configuration, and recurring chemical properties.
7.
FLASHCARD QUESTION
Front
What is an isotope?
Back
Isotopes are atoms of the same element that have the same number of protons but different numbers of neutrons.
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