
Calculate number of valence electrons and non-valence electrons in 5.6 ml of gas.
Answer
491.7k+ views
Hint: From electronic configuration of the elements we can calculate the total number of electrons present in them.
The electronic configuration of Sulphur is
The electronic configuration of Oxygen is
Complete Solution :
- In the question it is asked to calculate the number of valence electrons and non-valence electrons in 5.6 ml of gas.
- Before going to calculate the number of valence and non-valence electrons, we should calculate the numbers of molecules present in 5.6 ml of gas.
- Therefore the formula to calculate the number of molecules in 5.6 ml of gas is as follows.
Number of molecules = (number of moles) (Avogadro number)
- Means 5.6 ml of gas at STP contains .
- Now coming to the concept of valence and non-valence electrons present in .
-Total number of electrons in one molecule = 16 + 8 + 8 = 32.
- Number of valence electrons present in Sulphur = 6
- Number of valence electrons present in Oxygen = 6
- So, the total number of valence electrons in one molecule is = 6 + 6 + 6 = 18.
- So, the number of non-valence electrons in one molecule is = 32 - 18 = 14.
- Now we have to calculate the number of valence and non-valence electrons in .
- The number of valence electrons in of sulphur dioxide is
- The number of non-valence electrons in of sulphur dioxide is
Note: We are not supposed to calculate the number of valence and non-valence electrons in one sulphur dioxide molecule, we are supposed to calculate the number of valence and non-valence electrons in 5.6 ml of sulphur dioxide.
The electronic configuration of Sulphur is
The electronic configuration of Oxygen is
Complete Solution :
- In the question it is asked to calculate the number of valence electrons and non-valence electrons in 5.6 ml of
- Before going to calculate the number of valence and non-valence electrons, we should calculate the numbers of molecules present in 5.6 ml of
- Therefore the formula to calculate the number of molecules in 5.6 ml of
Number of molecules = (number of moles) (Avogadro number)
- Means 5.6 ml of
- Now coming to the concept of valence and non-valence electrons present in
-Total number of electrons in one
- Number of valence electrons present in Sulphur = 6
- Number of valence electrons present in Oxygen = 6
- So, the total number of valence electrons in one
- So, the number of non-valence electrons in one
- Now we have to calculate the number of valence and non-valence electrons in
- The number of valence electrons in
- The number of non-valence electrons in
Note: We are not supposed to calculate the number of valence and non-valence electrons in one sulphur dioxide molecule, we are supposed to calculate the number of valence and non-valence electrons in 5.6 ml of sulphur dioxide.
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