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History of Atom and Subatomic Particles
History of Atom and Subatomic Particles
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Review the History of Atomic Models and sub-atomic particles.
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Questions
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Answers
1
What does each ring on the Bohr Model represent?
Energy Levels
Light
Atoms
Orbitals
2
What are atoms mostly made up of?
Protons
Electrons
Empty Space
Neutrons
3
What is the name of this model?
Dalton's Model
Plum Pudding Model
Bohr Model
Electron Cloud Model
4
What can you calculate from the mass number of an atom?
Charge
Electrons
Neutrons
Protons
5
What does an isotope change about an atom?
Atomic Size
Mass Number
Atomic Number
Charge
6
What is the name of this experiment?
Cathode Ray Tube
Gold Foil Experiment
Quantum Experiment
Oil Drop Experiment
7
How are protons and neutrons similar?
Location, Charge
Mass, Location
Color, Volume
Charge, Mass
8
Why is the ray bending up (picture at the bottom right) ?
The neutrons
The protons
The electrons
The nucleus
9
Which scientist discovered neutrons?
Rutherford
Chadwick
Millikan
Heisenberg
10
Does the discovery of isotopes follow John Daltons Atomic Theory?
No
Yes
11
How big is an electron?
1/1800 amu
1/100 amu
1800 amu
1 amu
12
Which scientist explained that electrons can 'jump' to higher energy levels by gaining energy?
Rutherford
Thomson
Schrodinger
Bohr
13
What is the element that has the atomic number 81?
Bismuth
Silver
Copper
Thalium
14
Who discovered that atoms contained particles?
Millikan
Rutherford
Thomson
Dalton
15
What are charged atoms called?
Isotopes
Atoms
Ions
Electrons
16
Name this Model
Electron Cloud
Planetary
Plum Pudding
Bohr
17
What are the three major subatomic particles in an atom?
Alpha, Electrons, Protons
Protons, Neutrons, Electrons
Alpha, Leptons, Neutrons
Higgs, Neutrons, Electrons
18
How many electrons does this have?
17
19
16
18
19
What is one thing you need to calculate atomic mass?
Electrons
Percentages
Atomic Number
Mass Number
20
Who stated that electrons can not be located nor you cannot determine their velocity?
Heisenberg
Schrodinger
Bohr
Rutherford
21
How do you determine the number of protons in an atom?
Mass Number
Atomic Size
Atomic Mass
Atomic Number
22
Where are electrons found in the Electron Cloud Model?
Energy Levels
Nucleus
Orbitals
Rings
23
Who discovered the nucleus?
Bohr
Rutherford
Chadwick
Thomson
24
The name of this model is the
Quantum Mechanical Model
Rutherford Model
Planetary Model
Bohr Model
25
Democritus is known for saying an atom is...
Indestructible & Hard
Indivisible & Round
Indivisible & Indestructible
Tiny & Round
