Question

write the symbols of third period elements of periodic table and classified them in metals ,non metals and metalloids?

Answer 1

In the periodic table, you can see a stair-stepped line starting at Boron (B), atomic number 5, and going all the way down to Polonium (Po), atomic number 84. Except for Germanium (Ge) and Antimony (Sb), all the elements to the left of that line can be classified as metals.

Answer 2

Na Sodium magnesium Mg are metals and

S P sulphur phosphorus are non metal s

Silicon Si is metalloid and

Argon Ar is Noble gas

In third period of periodic table

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