Give reasons
(b) Na " has completely filled K and L shells.
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below is the answer
Because Na (Sodium) has atomic number 11
So, two atoms are in k shell and 8 atoms are in L shell and it loss 1 atom in M shell..
∆∆ Not sure but it may help you ∆∆
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Answer:
Sodium atom (Na), has atomic number = 11
Number of protons = 11
Number of electrons = 11
Electronic configuration of Na = K,L,M⇒2,8,1
Sodium atom (Na) looses 1 electron to become stable and form Na+ ion. Hence it has completely filled K and L shells.
Explanation:
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