Symbols and Units
The IUPAC recommended symbol for mass and charge are m and Q, respectively, however using a lowercase q for charge is also very common. Charge is a scalar property, meaning that it can be either positive (+) or negative (−). The Coulomb (C) is the SI unit of charge; however, other units can be used, such experessing charge in terms of the elementary charge (e). The SI unit of the physical quantity m/Q is kilograms per coulomb.
Read more about this topic: Mass-to-charge Ratio
Famous quotes containing the words symbols and/or units:
“And into the gulf between cantankerous reality and the male ideal of shaping your world, sail the innocent children. They are right there in front of uswild, irresponsible symbols of everything else we cant control.”
—Hugh ONeill (20th century)
“Even in harmonious families there is this double life: the group life, which is the one we can observe in our neighbours household, and, underneath, anothersecret and passionate and intensewhich is the real life that stamps the faces and gives character to the voices of our friends. Always in his mind each member of these social units is escaping, running away, trying to break the net which circumstances and his own affections have woven about him.”
—Willa Cather (18731947)