Examine the elements of the third period...

Examine the elements of the third period and classify them as metals or non-metals. Comment on the metallic and non-metallic character of the third period. Name the most metallic element and non-metallic element of this period.

Text Solution

Verified by Experts

Na (Sodium), Mg (Magnesium) and Al (Aluminium) are metals. Si (Silicon) is a metalloid. P (Phosphorus), S (Sulphur) and Cl (Chlorine) are non-metals. 142 As we go from left to right across the third period, metallic character decreases and non-metallic character increases.
The most metallic element in the third period is Na and the most non-metallic element is Cl.

Topper's Solved these Questions

PERIODIC CLASSIFICATION OF ELEMENTS
OSWAAL PUBLICATION|Exercise NCERT CORNER -INTEXT QUESTIONS|13 Videos
PERIODIC CLASSIFICATION OF ELEMENTS
OSWAAL PUBLICATION|Exercise NCERT CORNER - TEXTBOOK EXERCISES|10 Videos
PERIODIC CLASSIFICATION OF ELEMENTS
OSWAAL PUBLICATION|Exercise TOPIC:2- SHORT ANSWER TYPE QUESTIONS-II|45 Videos
METALS AND NON-METALS
OSWAAL PUBLICATION|Exercise NCERT CORNER (Textbook Exercises)|16 Videos
SOLVED PAPER SSLC KARNATAKA APRIL 2019
OSWAAL PUBLICATION|Exercise QUESTIONS|49 Videos

The most non-metallic element of group 14 is

The least non - metallic halogen is :

`F`

`Cl`

`Br`

`I.`

The metallic character of the element of IV A group

Has no significance

Increases from top to bottom

Does not change

Decrease from top to bottom