Question

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

Answer 1

symbols : sodium Na, magnesium Mg, aluminum Al, silicon Si, phosphorus P, sulphur S, chlorine Cl and argon Ar.

metals: Na, Mg, Al
metalloids: Si
non metals: S, P, Cl
argon Ar is a Nobel gas

Answer 2

Symbol s are

Sodium Na magnesium Mg

Potassium K

Or metalloids are silicon si

Or S P sulphur phosphorus

And Argon Ar is Noble gas

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