Question

2. Arrange the following in increasing order of non-metallic character: Mg, AI, Si, Na.
(a) Al < Si < Na < Mg
(b) Na < Al < Mg < Si
(c) Mg < Ag < Na < Si
(d) Na < Mg < Al < Si​

Answer 1

Answer:

the answer is option d

na > mg >al> si

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Answer 2

Na < Al < Mg < Si

Explanation:

• The correct option is (b)

       Na < Al < Mg < Si

• On moving from left to right the metallic character decreases and non metallic character increases.
• Metallic character depends on the affinity to lose electrons.
• Sodium has highest metallic character.
• Silicon has lowest metallic character.