Atoms
Atomic Models
Mixtures
Changes in Matter
Potluck
100
Negatively charged particle found outside of the nucleus.
What is an electron?
100
This scientist discovered the electron.
Who is JJ Thomson?
100
A homogeneous mixture in which something is dissolved in something else.
What is a solution?
100
The melting and freezing point of water.
What is 0 degrees Celsius?
100
A charged atom is called this.
What is an ion?
200
The overall charge of an atom is neutral because the number of protons always equals the number of these.
What is the number of electrons?
200
The first atomic model.
What is the Dalton model?
200
A mixture where the different parts can be seen and easily separated.
What is a heterogeneous mixture.
200
The type of vaporization that occurs at the surface of a liquid?
What is evaporation?
200
A change in matter that produces one or more new substances.
What is a chemical change?
300
This particle has a positive charge and is found inside of the nucleus.
What is a proton?
300
This scientist discovered the nucleus.
Who is Rutherford?
300
The substance being dissolved.
What is the solute?
300
The change of state from gas to a liquid.
What is condensation?
300
The rapid combination of a fuel with oxgen that produces heat, light, and other new substances.
What is combustion?
400
This particle determines the identity of an element.
What is the proton?
400
The Present-Day model is aka...
What is the Electron Cloud Model?
400
A mixture oftwo or more elements, one of which is a metal.
What is an alloy?
400
The change in state from a solid directly to a gas.
What is sublimation?
400
States that matter is not created or destroyed in any chemical or physical change.
What is the law of conservation of mass?
500
The number of these can be calculated by subtracting the atomic number from the atomic mass.
What is the number of neutrons?
500
This model shows the electrons moving in specific layers, or shells, around the nucleus.
What is the Bohr Model?
500
Imagine sugar that is completely dissolved in water. The water in this example can be called this.
What is the solvent?
500
During an actual change of state, the temperature of water does this.
What is it remains constant?
500
A solid that does not melt at a distinct temperature and whose particles are not arranged in a regular pattern.
What is an amorphous solid?
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