vocab
History
Elements
Calculating
Review
100
What is a type of matter with a fixed composition? 
Substance 
100
What was John Dalton's Atomic Theory? 
That all matter was composed of atoms. 
100
What is the symbol for Neon?
Ne
100
Protons and electrons are the same as the what?
Atomic Number
100
What is the proton, electron, and neutron for Mg?
P=12 , E=12 , N=24
200
A substance that 2 or more elements are combined
compound
200
What model did J.J. Thompson create? 
Plum Pudding Model
200
What is the symbol for Uranium?
U
200
How do you get Neutrons?
Atomic Mass - Atomic number
200
The point in temperature when the liquid starts to boil.
Boiling Point
300
Mixture that different materials can be distinguished
heterogeneous mixture
300
What did J.J. Thompson discover?
The electron 
300
What is the symbol for Magnesium? 
Mg
300
How many protons does Sodium have? 
11
300
What is the symbol for Thorium?
Th
400
contains 2 or more gases, liquids or solid substances blended evenly
homogeneous mixture
400
Who discovered the neutron?
James Chadwick
400
What is the symbol for Boron?
B
400
How many neutrons does Sodium have?
13
400
What did Bohr discover in 1913?
The Bohr Model of the atom.
500
A change of one substance to another
Chemical Change
500
How did Bohr contribute to the history of an atom?
The atomic model
500
What is the symbol for Hydrogen? 
H
500
How many electrons does Sodium have? 
11
500
What is the symbol for chlorine? 
Cl
M
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