A: relative atomic mass,nucleon/mass number Z: proton/atomic number X: element symbol Y: new element formed after emitting radiation
3 of 6
What is specific charge and what are the units?
The ratio of a particles charge to it mass in coulombs per kilogram, C kgˉ¹.
4 of 6
Calculate the specific charge of the nucleus of a carbon-12 atom.
Specific charge(C kgˉ¹)=charge(C)/mass(kg) CHARGE: proton=+1.60x10ˉ¹⁹ SO charge=6x1.60x10ˉ¹⁹=9.6x10ˉ¹⁹ MASS:proton=neutron=1.67x10ˉ²⁷ SO mass=12x1.67x10ˉ²⁷=2.004x10ˉ²⁶ Specific charge=9.6x10ˉ¹⁹/2.004x10ˉ²⁶=4.79x10⁷ C kgˉ¹ (to3sf)
5 of 6
Define the term isotope.
An isotope is an atom of an element with the same number of protons but a different number of neutrons.
6 of 6
Other cards in this set
Card 2
Front
Describe the relative masses and charges of the atomic particles.
Comments
No comments have yet been made