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Consider the two electron arrangements for neutral atoms A and B. What is the difference between atom A and atom B? A - 1s2, 2s2, 2p6, 3s1 B - 1s2, 2s2, 2p6, 5s1

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Miranda226
The outer electron of atom B has moved to a higher energy state.B - 1s2, 2s2, 2p6, 5s1 
kenmyna

 The difference  between atom A and atom B is that

The  outer electron   of  atom B  has   moved to  a   higher  energy  state

Explanation

The   1 outer electron of  of atom  B absorb  energy   and  it jump  to higher  orbital  that is  from  3s orbital  to 5s  orbital .

At this state the electrons are  said   to be in  excited  state.

Electrons then emit  energy  which  make them  fall  to  lower state.


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