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Matter Basics
Counting atoms
Properties
Changes
States
100
a substance that can't be broken down into smaller parts.
What is an element?
100
H2 means that there are how many hydrogen atoms?
What is 2 atoms?
100
Ice floats in water because...
What is because it is less dense than water.
100
Phase change- Solid to liquid
What is melting
100
The four MAIN states of matter are...
What is solid, liquid, gas, plasma
200
Anything that has mass and takes up space.
What is matter?
200
Fe2H3 means that there are how many total atoms in the compound?
What is 5?
200
What is the unit for mass when solving for density?
What is grams?
200
Phase change-liquid to gas
What is evaporation
200
Temperature measures the _____________ ________________ of particles in matter.
What is kinetic energy.
300
The smallest unit of an element.
What is an atom?
300
2H20 means that there are how many atoms of each element?
What is 4 H and 2 O
300
Name the units for solid volume and liquid volume.
What is cubic centimeters and milliliters
300
Phase change- solid to gas
What is sublimation
300
The heavier a particle (atom) is, the _____________ it moves. The hotter a particle is, the ______________ it moves.
What is slower/faster
400
Salt water is an example of this.
What is a homogeneous mixture?
400
4(PO)3 means that there are how many atoms of each element?
What is 12 P and 12 O
400
Calculate the volume of a solid with a density of 5 g/cm3 and a mass of 100 g.
What is 20 cubic centimeters
400
Burning is a ______________ change. Dissolving is a ________________ change.
What is chemical/physical
400
_The particles can slide past each other, but are still packed together. _The particles have broken down and become ionized. _The particles are in a rigid, fixed structure. _The particles are in constant motion and rarely stick together.
What is LIQUID, PLASMA, SOLID, GAS
500
Compounds are represented by these. They are a group of letters and numbers.
What is a chemical formula?
500
2H(CO)3 means that there are how many atoms of each element?
What is 2H 6 C and 6 O
500
Calculate the density of a sample with a volume of 100 mL and a mass of 500 g.
What is 5g/mL
500
What are the six signs that a chemical change has occurred?
What is Light, sound, temp change, odor, color change, gas
500
Name the 5th state of matter AND describe its particle motion.
What is Bose-Einstein Condensate. Almost no motion since it reaches temps near absolute zero