Question

An element x belongs to 3rd period and 5 group of the periodic table state the valency of the element and say whether it is a metal or non metal​

Answer 1

Given :- An element x belongs to 3rd period and 5 group of the periodic table state the valency of the element and say whether it is a metal or non metal ?

Answer :-

→ Elements in 3rd period are = Na, Mg, Al, Si, P, S, Cl and Ar .

so,

→ Elements in 3rd period and group 5 is = P (Phosphorus) .

and,

→ Valency of Phosphorus is = 3 .

also,

→ Phosphorus is a non metal .

Note :- There are 22 non metals in modern periodic table out of which 11 are gases, 1 is liquid and 10 are solid.

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सही जोड़ी बनाओ 1 सुपर हैलोजन HCl 2 म्यूरिष्टिक अम्ल C6H5NH2 3 एडम्स उत्प्रेरक Pt/Pto 4 डाइएजो परिक्षण ग्लूकोज 5 एल्बो Cl...

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