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→Calculating Specific Charge
| style="height:20px; width:300px; text-align:left;" |'''1. State the known quantities in [[SI Unit]]s.'''
<math>Q_{proton} Q = 1\times1.60\times10^{-19}</math>[[Coulomb|C]]
<math>m_{proton} m = 1\times1.67\times10^{-27}</math>[[Kilogram|kg]]
| style="height:20px; width:300px; text-align:left;" |'''1. State the known quantities in [[SI Unit]]s.'''
The [[Electrical Charge|charge]] on an [[Magnesium|Mg]] 2+ [[ion]] is 2 x [[Elementary Charge|elementary charge]].
<math>Q_{Mg2+} Q = 2\times1.60\times10^{-19}</math>[[Coulomb|C]]
The [[mass]] of [[Magnesium|Magnesium-24]] 2+ [[ion]] is the mass of 24 [[nucleon]]s + 10 [[electron]]s.
<math>m_{Mg24} m = (24\times1.67\times10^{-27} + 10\times9.11\times10^{-31})</math>[[Kilogram|kg]]
|-
| style="height:20px; width:300px; text-align:left;" |'''2. [[Substitute (Maths)|Substitute]] the numbers and [[Evaluate (Maths)|evaluate]].'''