Date post: | 12-Jan-2016 |
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MatterEverything in the universe is matter or energy.
Matteratoms
moleculescellssolidliquidgasair
Energyheatlight
soundX-rays
UV rays
has masstakes up
space
UVinfrared
highest KE,expands
apart
higher KE,flows
together
low KE, vibrates together
GASLIQUIDSOLIDStates of Matter
Properties of Matter
• Physical Properties: observed without changing into new
substance.• temp., state, mp, bp, color, mass, volume, etc.
• Chemical Properties: only be observed when changed into
new substance.• flammability, corrosiveness, reactivity, etc.
Properties of Matter
??? ???Physical Chemical
Copper(Cu)
Properties of Metals & Nonmetals
Metals(sodium, iron,copper, zinc)
Nonmetals(sulfur, oxygen,neon, carbon)
_________ Properties:
Luster (shiny)Malleable (sheets)
Ductile (wires)Good Conductors
(heat/electricity)
Brittle
Poor Conductors
Physical
Metalloids
1. Which of the following is NOT a physical property of matter?
A. melting point
B. color
C. reactivity
D. hardness
Quick Quiz!
2. Which properties can be observed only by changing the composition of a substance?
A. all properties of a substance
B. intensive properties
C. chemical properties
D. physical properties
Quick Quiz.
3. Match the states of matter with the following descriptions:
(1) particles expand apart
(2) vibrates in place
(3) particles move around but stay in contact
A. (1) liquid, (2) solid, and (3) gas
B. (1) gas, (2) solid, and (3) liquid
C. (1) gas, (2) liquid, and (3) solid
Quick Quiz.