Changes of State
More Changes
Periodic Table
Periodic Table II
Atomic Theory
100
During this change of state the particles that make up the substance begin to move faster and slide past one another.
What is melting?
100
During deposition, frost forms when water vapor changes directly to ice. This is how water particles move after deposition has occurred.
What is vibrate in place?
100
Substances that are ductile and malleable.
What are metals?
100
Used to make semiconductors.
What are metalloids?
100
The center of an atom
What is the nucleus?
200
On a hot day, a puddle dries up.
What is evaporation?
200
Change of state from a liquid to a gas that occurs throughout the liquid.
What is boiling?
200
These are in the center of the nucleus of an atom.
What are protons and neutrons?
200
This explains why the noble gases in group 18 do not form compounds.
What is nonreactive?
200
An atom of the element gallium has 31 protons and 39 neutrons. This is the atomic number of gallium.
What is 31?
300
No mass is lost during a change of state.
What is the law of conservation?
300
Change of state that occurs when water appears on my ice cold glass of lemonade on a hot, sunny day.
What is condensation?
300
Each box on the periodic table.
What is an element?
300
Columns on the periodic table.
What is a group?
300
The mass number of an atom with 4 protons, 4 electrons, and 5 neutrons.
What is 9?
400
Dry ice changes directly from a solid to a gas.
What is sublimation?
400
Change of state that occurs when liquid particles slow down and vibrate in place.
What is freezing?
400
This is how elements are arranged on the periodic table.
What is increasing atomic number?
400
Row on the periodic table.
What is a period?
400
Electron cloud
What is the place where electrons are found?
500
These three changes of state result in a decrease in the kinetic energy of the particles?
What are deposition, freezing, condensation?
500
This is the temperature that water freezes.
What is 0 degrees Celsius?
500
These can be found on the left side of the periodic table.
What are metals?
500
Smallest particle to retain the properties of an element
What is an atom?
500
This is the unique thing about the current model of an atom compared to all other models.
What is an electron cloud?
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