The element which has the maximum number of valence electrons is:

(a) Na
(b) P
(c) Si
(d) Al

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Solution

(b) P.
Phosphorus (P) has the maximum number of valence electrons, equal to 5.
Electronic configuration of P (15): K L M
2 8 5
Sodium (Na) has 1, Silicon has 4 and Aluminium (Al) has 3.

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The element which has the maximum number of valence electrons is :

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Question 11
Which one of the following elements exhibit maximum number of valence electrons?

(a) Na
(b) Al
(c) Si
(d) P

N a - 11, A l - 13, S i - 14, P - 15

3^{r d}

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