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Home »» Science Powerhouse »» Scientific Symbols Mindfiesta Power House Hi  Study  Buddies,
Welcome to your page – your study space. If you are about to enter into the gravity of subjects then this space is your warm-up zone. If you have made a stop here on your way back from the content section, this will be your 'Science / Math lounge for learning'.
Scientific Symbols
Note: Units are denoted by an asterisk. Dimensions and values of units are in parenthesis
a, A
Acceleration (length / time2), atomic mass (total number of protons and neutrons in an atom)
A
Amperes* (electric current = C / s), Angstroms* (length = 10 - 10 m), amplitude (length)
b
Intercept of a linear graph, drag coefficient (mass / time)
B
Magnetic field (force / current)
c
Speed of light (2.998 x 108 m/s), specific heat (energy / mass x temperature), concentration (number / volume), speed of sound
cal
Calories* (energy = 4.186 J)
cc
Cubic centimeter
c g
Group velocity
c p
Phase velocity
C
Celsius* (temperature), Coulombs* (electric charge), capacitance (charge / electric potential), heat capacity (energy / temperature), concentration
Cal
Kilocalories* (energy)
Ci
Curie* (unit of radiation, equivalent to 3.7 x 1010 decays/s)
d
Distance
D
Diffusion constant (area / time)
db
Decibels (relative intensity)
e
Electron, charge of an electron (1.602 x 10-19C)
eV
Electron Volts* (energy = 1.602 x 10-19J)
E
Energy (force x length, mass x velocity 2), electric field (force / charge)
f
Frequency (1 / time), focal length
f, F
Force (mass x acceleration)
F
Flow (volume / time), Farads* (capacitance = C / V), Fermi* (length = 10-15m)
g
Grams* (mass), acceleration due to gravity (9.81 m/s2); sometimes centrifugal acceleration
G
Newton's constant (6.673 x 10-11 Nm2 / kg2), Gauss* (magnetic field =10-4T), free energy
h
Height, Planck's constant (angular momentum = 6.626 x 10-34Js), latent heat (energy / mass)
hr
Hours* (time = 3600 s)
H
Enthalpy (energy)
Hz
Hertz (1 / s)
I
Moment of inertia (mass x length2), current (charge / time), intensity (power / area), image distance
J
Joules* (energy = N m), flux (number / area time)
k
Boltzmann constant (1.381 x 10-23 J/K), spring constant (force / length), thermal conductivity (power / length temperature), wave number (1 / length)
K
Kinetic energy, Kelvin* (temperature = C + 273.15)
l
Length, liters* (volume = 1000 cc), orbital quantum number (dimensionless, denotes angular momentum), mean free path (length)
lb
Pounds* (weight; 1 kg weighs 2.2 lb)
L
Angular momentum (momentum x length, moment of inertia x angular velocity)
m
Mass, meters* (length), slope of a linear graph, magnetic moment (current x area), magnetic quantum number (dimensionless, denotes orientation of angular momentum)
me
Mass of electron (9.109 x 10-31kg)
mn
Mass of neutron (1.675 x 10-27kg)
mp
Mass of proton (1.673 x 10-27kg)
mi
Miles* (length = 1.61 km)
min
Minutes* (time = 60s)
mmHg
Millimeters of mercury (pressure = 1333 dynes / cm2)
M
Molecular weight (mass / mol), magnification (dimensionless)
n
Numbers of mols (dimensionless), number of loops (dimensionless), neutron, principle quantum number (dimensionless, denotes energy level), index of refraction (dimensionless)
N
Newtons* (force = kg m / s2), number of particles, neutron number (number of neutrons in an atom)
N A
Avogadro's number (dimensionless number of objects in a mol = 6.022 x 1023)
O
Object distance
p
Proton
P
Momentum (mass x velocity), pressure (force / area), power (energy / time)
Pa
Pascals* (pressure = N / m2)
q, Q
Charge
Q
Heat (energy)
r
Radius (length), distance, rate (velocity)
R
Resistance (potential / current), gas constant (8.31 J / mol K)
Re
Reynolds number (dimensionless)
s
Seconds*, sedimentation coefficient (time), spin quantum number (dimensionless), lens strength (1 / length)
S
Entropy (energy / temperature)
t
Time
T
Tesla* (magnetic field = N / A m), temperature
U
Potential energy (mechanical, elastic, electrical), internal energy
v
Velocity (length / time), specific volume (volume / mass)
V
Velocity, volume (length3), electric potential (electric field x length), voltage, Volts* (N m / C)
W
Watts* (power = J / s), weight (force), work (energy)
x, X
Horizontal position
y, Y
Vertical position or depth position in 3D problems
z, Z
Vertical position in 3D problems, atomic number (number of protons in an atom), valence

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