48 Cards in this Set
| Front | Back |
|---|---|
|
Atoms
|
Building Blocks of matter
|
|
Molecules
|
Group of atoms
|
|
Chemical Bonds
|
Forces that hold atoms together
|
|
Extensive Property
|
Changes with amount of substance
|
|
Density
|
mass/volume
|
|
Precision
|
Repeatability
|
|
Accuracy
|
How right you are
|
|
Volume
|
πr2h
|
|
°C
|
5/9(°F -32)
|
|
K
|
°C+ 273.15
|
|
SA
|
πr2
|
|
Milikan
|
Oil Drop experiment (charges on electron, smallest quantized)
|
|
JJ Thomson
|
Plum Pudding Model
|
|
Rutherford
|
Gold Foil Reflections, Disproved Plum pudding
|
|
Isotope
|
Same number of protons, different number of neutrons
|
|
Atomic Mass
|
protons+neutrons (top left number)
|
|
Atomic #
|
Protons (bottom left number) Number that is on periodic table
|
|
Number of protons
|
Number of elecctrons
|
|
Group 1 besides H
|
Alkali Metals
|
|
Group 2
|
Alkaline Earth Metals
|
|
Group 17
|
Halogens
|
|
Group 18
|
Noble Gases
|
|
Average Atomic Mass
|
Mass *Natural Abundance for each value, add those together
|
|
Time
|
Distance/Speed
|
|
c=
|
λv
|
|
Quantum
|
Smallest discrete quantity of energy
|
|
Quantiized States
|
Discrete Energy Levels (steps)
|
|
Bohr
|
Model with discrete electron levels, electrons jump, planetary model
|
|
ΔE
|
-2.178*10-18J (1/n2final - 1/n2initial)
|
|
Anion
|
Negative, Gained an electron
|
|
Cation
|
Positive, Loss of electrons
|
|
Quantum Number N
|
Shell and Relative Size
|
|
Quantum Number L
|
defines the shape of the orbital and subshell
|
|
Higher the n
|
Higher the energy
|
|
l can be from
|
0 to n-1
|
|
Same l and n
|
Same subshell
|
|
Quantum Number m
|
orientation of the orbital
|
|
m can be
|
-l to l
|
|
s=
|
0
|
|
p=
|
1
|
|
d=
|
2
|
|
f=
|
3
|
|
n is the number of
|
subshells
|
|
n2=
|
orbitals (2 electrons/orbital)
|
|
In a subshell
|
(2l+1) orbitals
|
|
ms
|
electron spin (1/2 or -1/2)
|
|
Hund's Rule
|
Fill all half before filling full orbitals
|
|
1 box
|
s
|
CHM 1210: EXAM 1