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Reveiw what you have learnt!


We hope that you have enjoyed building atoms in the factory. Surely you must have taken some notes too. Now try to answers questions given below. 

Just remeber that here when we talk about a stable atom we mean that the atom has no charge on it. 
 

1.     How many energy levels does a stable Hydrogen atom have and how many electrons are there in a stable Hydrogen atom?

 

2.     How many energy levels does a stable Helium atom have and how many electrons does it have in all?

 

3.     How many energy levels do the electrons of a stable carbon atom have? How many electrons are there in its outermost energy level?

 

4.     How many energy levels of electrons are there in a stable Oxygen atom and how many electrons are there in the outermost energy level?

 

[Contributed by administrator on 10. Januar 2018 21:13:29]


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