Question

How many shells will an element have whose atomic number is 11​

Answer 1

Answer:

3 shells (K, L, M)

Answer 2

Answer:

3

Explanation:

atomic number = 11

first shell (K)= 2

remain=9

second shell (L)=8

remain=1

third shell (M)=1

so it will be 2,8,1

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