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Atom
Substances
Matter
Changes
Periodic Table
100
Who proposed an atom that was a hard sphere the same throughout?
John Dalton
100
A substance who's smallest unit is made up of atoms of more than one element bonded together.
Compound
100
What are the thee most common states of matter?
Solid, liquid and gas
100
The ability to do work to cause a change
Energy
100
Who published the first version of the Periodic Table?
Mendelev
200
Who proposed a sphere with positive and negative particles?
JJ Thompson
200
When two or more substances come together but don't combine to make a new substance
Mixture
200
In these solids, the particles are arranged in a repeating 3-dimensional pattern
Crystalline solids
200
The average KE of the individual particles of a substance
Temperature
200
A row of elements whose properties change gradually and predictiably
Period
300
Who's model of the atom was mostly made up of empty space?
Rutherford
300
A mixture that is the same throughout
Homogenous
300
A liquids resistance to flow
Viscosity
300
When a solid directly changes into a gas
Sublimation
300
Elements that have similar physical or chemical properties
Group
400
Today we believe electrons travel in regions surroudning the nucleus known as a what?
Electron Cloud
400
What is a _________.
Compound
400
A solid that comes together without forming crystals is known as
Amorphous solids
400
Evaporation or boiling are two forms of what?
Vaporization
400
An element that has luster, is a good conductor, is malleable and ductile.
Metal
500
A(n) ________ is matter made up of atoms of only one kind
Element
500
Blood is a _______.
Mixture
500
The uneven forces acting on particles on the surface of a liquid
Surface tension
500
The movement of thermal energy from something at a higher temperature to something at a lower temperature.
Heat
500
Gases or brittle solids, only group 17
Nonmetals