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The Atom & the Atomic Theory Review Flashcards | StudBud
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The Atom & the Atomic Theory Review
The Atom & the Atomic Theory Review
15 terms
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A review of what we have learned in class about the atom and the atomic theory
Flashcards
15 cards
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Practice quiz
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Questions
15
Answers
1
What did John Dalton discover?
All matter is made of atoms
Electron Cloud
Neutrons
Protons
2
Which scientist suggested that atoms have a nucleus?
Dalton
Rutherford
Bohr
Thomson
3
Which of the following is used to find the number of protons in an atom?
Electrons
Neutrons
Atomic Number
Mass number
4
How many neutrons are in an atom of Chlorine?
35
17
18
36
5
What is the atomic number of Chlorine?
18
35
36
17
6
How many protons are in an atom of Potassium?
39
19
20
40
7
Which of the following is used to find the number of electrons in an atom?
Mass Number
Neutrons
Protons
Atomic Number
8
The mass number represents the total number of ________________ in an atom.
Neutrons
Protons & Neutrons
Protons & Electrons
Protons
9
Which scientist discovered that electrons move around the nucleus in the electron cloud?
Chadwick
Thomson
Rutherford
Bohr
10
How many electrons are in an atom of Chlorine?
18
36
35
17
11
What is the mass number of Potassium?
20
19
40
39
12
Which scientist discovered positively charged particles and named them protons?
Rutherford
Thomson
Bohr
Chadwick
13
What was the central point of Niels Bohr's Atomic Theory?
Electrons move in the electron cloud
Electrons move in paths around the nucleus
He discovered electrons
Electrons can be found in the nucleus
14
Which scientist discovered negatively charged particles called electrons?
Bohr
Thomson
Dalton
Chadwick
15
James Chadwick discovered...
The nucleus
Protons
Neutrons
Electrons
