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Difference between revisions of "Specific Charge"

(→‎Calculating Specific Charge)
(→‎Example Calculations)
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====Calculating Specific Charge====
 
====Calculating Specific Charge====
 
{| class="wikitable"
 
{| class="wikitable"
−
| style="height:20px; width:200px; text-align:center;" |Question
+
| style="height:20px; width:200px; text-align:center;" |Find the '''specific charge of a [[proton]].
−
| style="height:20px; width:200px; text-align:center;" |Question
+
| style="height:20px; width:200px; text-align:center;" |Find the '''specific charge''' of a [[Magnesium|Magnesium-24]] 2+ [[ion]].
 
|-
 
|-
 
| style="height:20px; width:200px; text-align:left;" |'''1. State the known quantities in [[SI Unit]]s.'''
 
| style="height:20px; width:200px; text-align:left;" |'''1. State the known quantities in [[SI Unit]]s.'''
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====Calculating Charge====
 
====Calculating Charge====
 +
{| class="wikitable"
 +
| style="height:20px; width:200px; text-align:center;" |Calculate the [[Electrical Charge|charge]] of an [[ion]] with a '''specific charge''' of .... and a [[mass]] of .....
 +
| style="height:20px; width:200px; text-align:center;" |Calculate the [[Electrical Charge|charge]] of a [[Atomic Nucleus|nucleus]] with a '''specific charge''' of .... and a [[mass]] of ...... and identify the [[element]].
 +
|-
 +
| style="height:20px; width:200px; text-align:left;" |'''1. State the known quantities in [[SI Unit]]s.'''
 +
| style="height:20px; width:200px; text-align:left;" |'''1. State the known quantities in [[SI Unit]]s.'''
 +
|-
 +
| style="height:20px; width:200px; text-align:left;" |'''2. [[Substitute (Maths)|Substitute]] the numbers and [[Evaluate (Maths)|evaluate]].'''
 +
| style="height:20px; width:200px; text-align:left;" |'''2. [[Substitute (Maths)|Substitute]] the numbers and [[Evaluate (Maths)|evaluate]].'''
 +
|-
 +
| style="height:20px; width:200px; text-align:left;" |'''3. [[Rearrange (Maths)|Rearrange]] the equation and [[Solve (Maths)|solve]].'''
 +
| style="height:20px; width:200px; text-align:left;" |'''3. [[Rearrange (Maths)|Rearrange]] the equation and [[Solve (Maths)|solve]].'''
 +
|}
 
====Calculating Mass====
 
====Calculating Mass====
 +
{| class="wikitable"
 +
| style="height:20px; width:200px; text-align:center;" |Calculate the [[mass]] of a [[particle]] with an [[Electrical Charge|charge]] of .... and a '''specific charge''' of .....
 +
| style="height:20px; width:200px; text-align:center;" |Calculate the [[mass]] of a [[particle]] with an [[Electrical Charge|charge]] of .... and a '''specific charge''' of .....
 +
|-
 +
| style="height:20px; width:200px; text-align:left;" |'''1. State the known quantities in [[SI Unit]]s.'''
 +
| style="height:20px; width:200px; text-align:left;" |'''1. State the known quantities in [[SI Unit]]s.'''
 +
|-
 +
| style="height:20px; width:200px; text-align:left;" |'''2. [[Substitute (Maths)|Substitute]] the numbers and [[Evaluate (Maths)|evaluate]].'''
 +
| style="height:20px; width:200px; text-align:left;" |'''2. [[Substitute (Maths)|Substitute]] the numbers and [[Evaluate (Maths)|evaluate]].'''
 +
|-
 +
| style="height:20px; width:200px; text-align:left;" |'''3. [[Rearrange (Maths)|Rearrange]] the equation and [[Solve (Maths)|solve]].'''
 +
| style="height:20px; width:200px; text-align:left;" |'''3. [[Rearrange (Maths)|Rearrange]] the equation and [[Solve (Maths)|solve]].'''
 +
|}
 
====Calculating Atomic Mass====
 
====Calculating Atomic Mass====
 +
{| class="wikitable"
 +
| style="height:20px; width:200px; text-align:center;" |Calculate the [[Atomic Mass|atomic mass]] of the [[Atomic Nucleus|nucleus]] of an [[isotope]] of [[Lead]] with a '''specific charge''' of ........
 +
| style="height:20px; width:200px; text-align:center;" |Calculate the [[Atomic Mass|atomic mass]] of the [[Atomic Nucleus|nucleus]] of an [[isotope]] of [[Iron]] with the '''specific charge''' of ........ for an [[Iron|Iron 3+]] [[ion]].
 +
|-
 +
| style="height:20px; width:200px; text-align:left;" |'''1. State the known quantities in [[SI Unit]]s.'''
 +
| style="height:20px; width:200px; text-align:left;" |'''1. State the known quantities in [[SI Unit]]s.'''
 +
|-
 +
| style="height:20px; width:200px; text-align:left;" |'''2. [[Substitute (Maths)|Substitute]] the numbers and [[Evaluate (Maths)|evaluate]].'''
 +
| style="height:20px; width:200px; text-align:left;" |'''2. [[Substitute (Maths)|Substitute]] the numbers and [[Evaluate (Maths)|evaluate]].'''
 +
|-
 +
| style="height:20px; width:200px; text-align:left;" |'''3. [[Rearrange (Maths)|Rearrange]] the equation and [[Solve (Maths)|solve]].'''
 +
| style="height:20px; width:200px; text-align:left;" |'''3. [[Rearrange (Maths)|Rearrange]] the equation and [[Solve (Maths)|solve]].'''
 +
|}
 
====Calculating the number of Neutrons====
 
====Calculating the number of Neutrons====
 +
{| class="wikitable"
 +
| style="height:20px; width:200px; text-align:center;" |Calculate the number of [[neutron]]s in an [[isotope]] of [[Titanium]] with a '''specific charge''' of ........
 +
| style="height:20px; width:200px; text-align:center;" |Calculate the number of [[neutron]]s in an [[isotope]] of [[Neon]] with the '''specific charge''' of ....... for a [[Neon|Neon 2-]] [[ion]].
 +
|-
 +
| style="height:20px; width:200px; text-align:left;" |'''1. State the known quantities in [[SI Unit]]s.'''
 +
| style="height:20px; width:200px; text-align:left;" |'''1. State the known quantities in [[SI Unit]]s.'''
 +
|-
 +
| style="height:20px; width:200px; text-align:left;" |'''2. [[Substitute (Maths)|Substitute]] the numbers and [[Evaluate (Maths)|evaluate]].'''
 +
| style="height:20px; width:200px; text-align:left;" |'''2. [[Substitute (Maths)|Substitute]] the numbers and [[Evaluate (Maths)|evaluate]].'''
 +
|-
 +
| style="height:20px; width:200px; text-align:left;" |'''3. [[Rearrange (Maths)|Rearrange]] the equation and [[Solve (Maths)|solve]].'''
 +
| style="height:20px; width:200px; text-align:left;" |'''3. [[Rearrange (Maths)|Rearrange]] the equation and [[Solve (Maths)|solve]].'''
 +
|}
 
====Calculating Atomic Number====
 
====Calculating Atomic Number====
 +
{| class="wikitable"
 +
| style="height:20px; width:200px; text-align:center;" |Calculate the number of [[proton]]s in a [[Atomic Nucleus|atomic nucleus]] of an [[isotope]] with a [[mass]] of ..... and a [[Specific Charge|specific charge]] of .......
 +
| style="height:20px; width:200px; text-align:center;" |Calculate the number of [[proton]]s in a [[Atomic Nucleus|atomic nucleus]] of an [[isotope]] with a [[mass]] of ..... and the [[Specific Charge|specific charge]] of ....... for its 5+ [[ion]].
 +
|-
 +
| style="height:20px; width:200px; text-align:left;" |'''1. State the known quantities in [[SI Unit]]s.'''
 +
| style="height:20px; width:200px; text-align:left;" |'''1. State the known quantities in [[SI Unit]]s.'''
 +
|-
 +
| style="height:20px; width:200px; text-align:left;" |'''2. [[Substitute (Maths)|Substitute]] the numbers and [[Evaluate (Maths)|evaluate]].'''
 +
| style="height:20px; width:200px; text-align:left;" |'''2. [[Substitute (Maths)|Substitute]] the numbers and [[Evaluate (Maths)|evaluate]].'''
 +
|-
 +
| style="height:20px; width:200px; text-align:left;" |'''3. [[Rearrange (Maths)|Rearrange]] the equation and [[Solve (Maths)|solve]].'''
 +
| style="height:20px; width:200px; text-align:left;" |'''3. [[Rearrange (Maths)|Rearrange]] the equation and [[Solve (Maths)|solve]].'''
 +
|}

Revision as of 12:26, 28 July 2019

Key Stage 5

Meaning

Specific charge is the ratio of the charge of a particle to its mass shown in the equation \(S.C. = \frac{Q}{m}\) where 'Q' is the charge of the particle and 'm' is the mass of the particle.

About Specific Charge

The SI Units for specific charge are the Coulomb per kilogram (Ckg-1).
The specific charge of a particle is a useful quantity when using a mass spectrometer or cloud chamber as it determines the rate of curvature of a particle with a given its velocity through a known magnetic flux density.

Equation

\(S.C. = \frac{Q}{m}\)

Where

\(S.C. =\) The specific charge of a particle.

\(Q =\) The charge of the particle.

\(m =\) The mass of the particle.

Example Calculations

Calculating Specific Charge

Find the specific charge of a proton. Find the specific charge of a Magnesium-24 2+ ion.
1. State the known quantities in SI Units. 1. State the known quantities in SI Units.
2. Substitute the numbers and evaluate. 2. Substitute the numbers and evaluate.
3. Rearrange the equation and solve. 3. Rearrange the equation and solve.

Calculating Charge

Calculate the charge of an ion with a specific charge of .... and a mass of ..... Calculate the charge of a nucleus with a specific charge of .... and a mass of ...... and identify the element.
1. State the known quantities in SI Units. 1. State the known quantities in SI Units.
2. Substitute the numbers and evaluate. 2. Substitute the numbers and evaluate.
3. Rearrange the equation and solve. 3. Rearrange the equation and solve.

Calculating Mass

Calculate the mass of a particle with an charge of .... and a specific charge of ..... Calculate the mass of a particle with an charge of .... and a specific charge of .....
1. State the known quantities in SI Units. 1. State the known quantities in SI Units.
2. Substitute the numbers and evaluate. 2. Substitute the numbers and evaluate.
3. Rearrange the equation and solve. 3. Rearrange the equation and solve.

Calculating Atomic Mass

Calculate the atomic mass of the nucleus of an isotope of Lead with a specific charge of ........ Calculate the atomic mass of the nucleus of an isotope of Iron with the specific charge of ........ for an Iron 3+ ion.
1. State the known quantities in SI Units. 1. State the known quantities in SI Units.
2. Substitute the numbers and evaluate. 2. Substitute the numbers and evaluate.
3. Rearrange the equation and solve. 3. Rearrange the equation and solve.

Calculating the number of Neutrons

Calculate the number of neutrons in an isotope of Titanium with a specific charge of ........ Calculate the number of neutrons in an isotope of Neon with the specific charge of ....... for a Neon 2- ion.
1. State the known quantities in SI Units. 1. State the known quantities in SI Units.
2. Substitute the numbers and evaluate. 2. Substitute the numbers and evaluate.
3. Rearrange the equation and solve. 3. Rearrange the equation and solve.

Calculating Atomic Number

Calculate the number of protons in a atomic nucleus of an isotope with a mass of ..... and a specific charge of ....... Calculate the number of protons in a atomic nucleus of an isotope with a mass of ..... and the specific charge of ....... for its 5+ ion.
1. State the known quantities in SI Units. 1. State the known quantities in SI Units.
2. Substitute the numbers and evaluate. 2. Substitute the numbers and evaluate.
3. Rearrange the equation and solve. 3. Rearrange the equation and solve.
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