Classification Of Elements And Periodicity In Properties Question 155
Question: The correct order of the metallic character is:
Options:
A) $ Na>Mg>Al>Si $
B) $ Mg>Na>Al>Si $
C) $ Al>Mg>Na>Si $
D) $ Si>Al>Na>Mg $
Show Answer
Answer:
Correct Answer: A
Solution:
[a] The metallic character of the elements is highest at the extremely left (low ionisation energies) and then decreases across the period from left to right (ionisation energies increases across the period).
BETA
