Chem 103 (1-9: units 10-18: Mod 1 19- 78: Mod 2 79-
119: Mod 3 120 - : Redox Chem) Q&A
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Terms in this set (271)
Beginning of SI Units Yay
Units can be length
(meters), volume (liters),
and mass (grams)
Prefixes (Large to small) M
1 X 10^6 m = 1 Mm
Mega One million meters in one Megameter
k
Kilo 1 x 10^3 m = 1 Km
1000 meters in 1 Kilometer
c
centi 10^2 cm = 1 m
100 centimeters in 1 meter
m
milli 10^3 mm = 1 m
1000 millimeters in 1 meter
u
micro 10^6 um = 1 m
1 million micrometers in 1 meter
, n
nano 10^9 nm = 1 m
1 Billion nanometers in 1 meter
A
Angstrom 10^10 A = 1 m
10 billion A in 1 meter
p
pico
10^12 pm = 1 m
End of Si Units
1 trillion picometers in 1 meter
What is the relationship They occur at the same temperature for a substance.
between melting point
and freezing point?
Why are solids and liquids Particles are in direct contact, more per unit of
denser than gases? volume (mass).
What happens to the The average speed of atoms increases.
average speed of atoms
as the temperature of a
substance increases?
Which remains solid at Argon remains solid at higher temperatures than
higher temperatures: neon.
argon or neon?
Gas phase Molecules far apart and move a lot.
Liquid phase Molecules in close contact and slide past each other.
Solid phase Molecules rigidly connected and vibrate.
Bonds breaking, combustion, new substances form.
Chemical changes
Produces new kinds of matter
Transitions between s/l/g, no breaking of bonds,
Physical changes density, conductivity, solubility, color, hardness,
melting and boiling points
119: Mod 3 120 - : Redox Chem) Q&A
Save
Terms in this set (271)
Beginning of SI Units Yay
Units can be length
(meters), volume (liters),
and mass (grams)
Prefixes (Large to small) M
1 X 10^6 m = 1 Mm
Mega One million meters in one Megameter
k
Kilo 1 x 10^3 m = 1 Km
1000 meters in 1 Kilometer
c
centi 10^2 cm = 1 m
100 centimeters in 1 meter
m
milli 10^3 mm = 1 m
1000 millimeters in 1 meter
u
micro 10^6 um = 1 m
1 million micrometers in 1 meter
, n
nano 10^9 nm = 1 m
1 Billion nanometers in 1 meter
A
Angstrom 10^10 A = 1 m
10 billion A in 1 meter
p
pico
10^12 pm = 1 m
End of Si Units
1 trillion picometers in 1 meter
What is the relationship They occur at the same temperature for a substance.
between melting point
and freezing point?
Why are solids and liquids Particles are in direct contact, more per unit of
denser than gases? volume (mass).
What happens to the The average speed of atoms increases.
average speed of atoms
as the temperature of a
substance increases?
Which remains solid at Argon remains solid at higher temperatures than
higher temperatures: neon.
argon or neon?
Gas phase Molecules far apart and move a lot.
Liquid phase Molecules in close contact and slide past each other.
Solid phase Molecules rigidly connected and vibrate.
Bonds breaking, combustion, new substances form.
Chemical changes
Produces new kinds of matter
Transitions between s/l/g, no breaking of bonds,
Physical changes density, conductivity, solubility, color, hardness,
melting and boiling points
