Show:
Matter
Phases
Properties
Changes
Random!
100
Matter is...
What is anything that has a mass and takes up space.
100
This form of energy is required to change phases.
What is heat.
100
A physical property describes?
What is appearance.
100
Going from a solid to a liquid exhibits what kind of phase change?
What is melting
100
The two phase changes occur at the same temperature.
What is freezing/melting or vaporization/condensation.
200
Submicroscopic means....
What is something that is too small to be seen under a microscope.
200
The phase with the weakest IMF strength is?
What is the gas phase.
200
You only notice these during or after a chemical reaction.
What is a chemical property.
200
As you change from solid to liquid to gas what happens to the kinetic energy (motion) of the molecules.
What is kinetic energy increases.
200
Complete the following phrase: All __________ are________ but not all ________ are ________.
What is All compounds are molecules but not all molecules are compounds.
300
The difference between a molecule and an atom is?
What is molecules are two or more atoms coming together, a compound is two or more atoms that are different.
300
This phase is bonds tightly and creates shapes.
What is the solid phase.
300
Ocatanal exhibits a strong citrus-like odor. What type of property does it display?
What is a physical property.
300
If you start and end with the same compound during a reaction, then what type of change has taken place?
What is a physical change.
300
Gently heating a candle produced what kind of property AND phase changes?
What is physical and melting.
400
An example of a compound is?
What is __________. (Any chemical formula that contains at least two different elements)
400
What is the missing phase in this scenario: 1.________ 2. decrease in temp. 3. Solid 4. Deposition.
What is Gas.
400
The alkali metals (Group 1A) of the periodic table are known to be extremely reactive elements, especially in the presence of water due to their high capability of producing alkaline hydroxides. This is what kind of property?
What is a chemical property.
400
Copper (II) sulfate, a crystal clear blue solution, reacts when in contact with iron. What type of change takes place and how do you know?
What is a chemical change because the solution turns to a cloudy green color and copper deposits onto the nail.
400
This phase change occurs when going from a liquid to a gas but the liquid has not fully reached its boiling point.
What is evaporation.
500
That which attracts one atom or molecule to another.
What is Intermolecular Forces (IMF).
500
The three analogies for phases were:
What is 1) Solids were like freezing eskimos close together. 2) Liquids were like the flowing spongebob and 3) gases were like road runner or 3 year old children
500
The analogy used in class to differentiate between physical and chemical properties was?
What is a physical property is like a person's appearance and a chemical property is like a person's character traits.
500
Adding a small amount of iodine to cornstarch produces what kind of change? What evidence do you have?
What is a chemical change. Iodine turns a deep purple color in the presence of starch.
500
Intermolecular forces are similar to the attraction in a relationship. As an argument gets heated the attractions ____________. As the arguments cools down the attractions ____________.
What is weaken and strengthen. or decrease and increase.