Atomic Theory & Atomic Structure
Flashcard
•
Chemistry
•
10th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the value representing the number of protons in an element?
Back
Atomic Number
2.
FLASHCARD QUESTION
Front
What is the measure mainly of the nuclear particles: protons + neutrons?
Back
Atomic Mass
3.
FLASHCARD QUESTION
Front
Who discovered the nucleus of the atom through the Gold Foil Experiment?
Back
Rutherford
4.
FLASHCARD QUESTION
Front
Which scientist believed that atoms of the same element are identical to each other?
Back
Dalton
5.
FLASHCARD QUESTION
Front
Which particle does not contribute mass to the atom?
Back
Electron
6.
FLASHCARD QUESTION
Front
What are the three main subatomic particles?
Back
Protons, Neutrons, Electrons
7.
FLASHCARD QUESTION
Front
What is the charge of a proton?
Back
Positive
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