Question

Na, Mg and Al are the elements of the 3rd period of the modern periodic table having

group numbers 1, 2 and 13 respectively. Which one of these elements has the largest

atomic radius and least metallic character? Justify your answer stating the reason for

each.​

Answer 1

Answer:

atomic radius=al<mg<na,largest=na

metallic character=na>mg>al,least=al

Explanation:

atomic radius decreases as we move in aperiod due increase in nuclear charge n thus force of attraction ,but no. of shells remains the same.

metallic character decreases as we move in aperiod because tendency to remove or lose the electrons decreases

Answer 2

Answer:

Refer the attachment

Hope this helps you if so please mark my answer as brainliest dude