How many electrons in an atom with atomic mass 105 can have n+l=8
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Total No of electron = 105
The element is dubnium
The outhermost shell is 5f14,6d3,7s25f14,6d3,7s2
in case of 5f
n+l=5+3=8 = 14 electrons
for 6d
6+2 = 8 = 3 electrons
Hence total number of electrons is 17
The element is dubnium
The outhermost shell is 5f14,6d3,7s25f14,6d3,7s2
in case of 5f
n+l=5+3=8 = 14 electrons
for 6d
6+2 = 8 = 3 electrons
Hence total number of electrons is 17
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