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Unit 3 Quiz: Atomic Theory & Structure Flashcards | StudBud
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Unit 3 Quiz: Atomic Theory & Structure
Unit 3 Quiz: Atomic Theory & Structure
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A review of the development of the atom and its leading theorists, and the structure of atoms.
Flashcards
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Questions
16
Answers
1
Which scientist performed the Gold Foil Experiment and disproved the Plum Pudding Model?
Rutherford
Dalton
Thomson
Bohr
2
Which of the following was NOT part of Dalton's Theory?
Ratio of atoms in a compound can be a fraction
Atoms are tiny
Atoms are solid
Atoms of different elements have different masses
3
Which of the following elements has 15 neutrons and 14 protons?
Silicon-28
Silicon- 29
Phosphorus- 29
Phosphorus-30
4
How many electrons are in a neutral atom of Cobalt-54?
4
27
5
54
5
In Bohr's model, how many electron shells would Sodium have?
2
1
8
3
6
Who was the first scientist to suggest subatomic particles?
Thomson
Bohr
Dalton
Rutherford
7
Which of the following elements has 5 protons and 6 neutrons?
Beryllium - 11
Carbon-11
Carbon-10
Beryllium- 10
8
Which scientist first theorized the idea of a nucleus?
Dalton
Rutherford
Thomson
Bohr
9
How many protons are in Carbon-13?
0
7
6
13
10
Which scientist came up with the idea of the neutron?
Rutherford
Chadwick
Dalton
Bohr
11
Which part of the atom contains the most mass?
electron cloud
nucleus
12
What is the mass number of a non-isotope atom of Magnesium?
24
12
13
Which of the following is an isotope?
Gallium-61
Carbon-12
Sodium-22
Calcium-40
14
Find average atomic mass of Chlorine:
35.452497 amu
35.484 amu
35.4844 amu
35.452 amu
15
Which part of the atom is the largest?
nucleus
electron cloud
16
In Bohr's model, how many electrons can the first shell hold?
8
2
18
36
