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Atomic Theory and Periodic Table Flashcards | StudBud
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Atomic Theory and Periodic Table
Atomic Theory and Periodic Table
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Development of Atomic Theory Structure of an Atom History and Organization of Periodic Table
Flashcards
21 cards
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Questions
21
Answers
1
What are the vertical columns called?
families / groups
classes
up and down
periods
2
Said electrons exist in certain levels
Lewis
Green
Bohr
Dalton
3
Experiment of shooting particles at gold foil...
Dalton
Rutherford
Bohr
Thomson
4
What does the Atomic Number tell you?
# of neutrons
# of protons and neutrons
# of protons and electrons
# of electrons
5
The 3 particles in every atom...
neutron, electron, negatron
proton, neutron, electron
proton, neutron, positron
negatron, positron, neutraltron
6
How is the Periodic Table organized?
Periods and Groups
Rows and Colums
Colors
Up and Down
7
What charge does an Electron have?
positive
depends
negative
neutral
8
Derived from past models and theories on the atomic models
Current Model
Modern Atomic Theory
Modern Atom Theory
The Best Atomic Model
9
Said atoms are made of even smaller particles and discovered electrons
Beste
Bohr
Thomson
Rutherford
10
Said all elements consist of atoms that cannot be divided
Rutherford
Dalton
Boyle
Thomson
11
What does the Atomic Mass tell you?
# of protons
# of electrons
# of neutrons
# of protons and neutrons
12
What are the horizontal rows called?
left to right
families
friends
periods
13
What determines the mass of an atom?
number of protons and neutrons
the weight
number of energy levels
number of electrons
14
Who proposed that there is a point at which an object can't be divided any smaller....
Democritus
Dalton
Bartolone
Bohr
15
What is in the nucleus?
protons and neutrons
protons only
proton and electrons
electron and neutrons
16
What charge does a Proton have?
negative
positive
both positive and negative
neutral
17
The periodic table of elements is an organized system...
False
True
18
The smallest part of any structure / thing
cell
electron
element
atom
19
A substance that cannot be broken down into any other substance by chemical or physical means..
element
mixture
substance
atom
20
Which two particles make up most of the mass of an atom?
protons
neutrons
electrons
megatrons
21
What charge does a Neutron have?
negative
newton
positive
neutral
