Chemistry · Periodic Classification of Elements
Identify the INCORRECT order for the number of valence shell electrons among the following options.
- 1Al < P < Si < S < Cl✓
- 2B < N < O < F < Ne
- 3Li < Be < B < C < N
- 4Na < Mg < Al < P < Ar
Correct answer
Al < P < Si < S < Cl
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