Intermolecular Forces
What is Ms. Holzer's middle name?
BONUS: 200 points!
She doesn't have one o:
BONUS: 500 points!
The three (main) states of matter
Solid, Liquid, Gas
Give an example of a crystal in our everyday world.
Diamond, table salt, snowflakes, etc.
Define evaporation.
A change of state from liquid to gas.
What is the equation that relates density, mass, and volume?
d= m/v
Describe the difference between the prefixes "inter" and "intra"
Inter: between (example is international)
Intra: within (example is intravenous)
Two factors that can cause a state change.
Heat and Pressure
Define "crystal"
Solids with regular geometric shapes that can be formed from regular arrangement of atoms
BONUS! 500 Points!
Define condensation.
A change of state from gas to liquid.
Give an example of an object with HIGH mass and LOW volume.
Dumbbell weight, sand, water, etc.
BONUS! 300 points!
Give one example of intramolecular attractions
Ionic Bonds
Covalent Bonds
The state of matter that has HIGH compressibility.
Gas
Draw on the board what table salt looks.
Answers vary.
Define molecule.
Give an example of Intermolecular attractions
Hydrogen Bonds
Dipole-Dipole Bonds
Explain what sublimation is and give an example.
Changing straight from a solid to a gas. Dry ice!
Describe the process of how a crystal is made.
Via supersaturated solutions "falling out" around a seed crystal.
Define deposition
A change of state going directly from a gas to a liquid.
If a 10kg block takes up 2 L of space, what will its density be?
5 kg/L
Draw two water molecules on the board and explain the inter- and intra- molecular forces going on.
Answer varies.
Give an example of plasma (the state) in our world.
Lightning, northern lights, nuclear fireballs
What is a mineral?
A naturally occurring solid that has a crystalline structure
Define cation and anion.
An atom with a positive charge.
An atom with a negative charge.
Give two possible units for density.
g/L, kg/L