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Subjects
Science CBSE
Class 9
Structure of the atom
Discovery and structural models of atomic particles
16.
Electron distribution in elements
Exercise condition:
6
m.
1
.
How many -ve ions are present in the L shell of the element next to the sulphur atom in the periodic table?
8
7
5
6
2
.
How many -ve ions are present in the L shell of the element next to the nickel atom in the periodic table?
2
1
0
3
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