Question

Four Elements P, Q, R and S Have Atomic Numbers, 12, 14, 16 And 17 Respectively.
Answer the Following Question Giving Reason: What Is the Position of S in the Periodic table?  Classify these Elements as Metals, Metalloids and Non-Metals. Which of These Elements Will Form the Most Basic Oxide?
How does the Valency change from P To S? What is the formula and nature of the compound formed as a result of reaction of P with R?​

Answer 1

Answer:

The position of S in periodic table is Group 17 Period 3.

Metals-P

Metalloids-Q

Non-metals-R,S

P will form the most basic oxide.

The valency of =

P=+2

Q=+4 or -4

R=-2

S=-1

The formula of the reaction of P with R is PR.

Nature of the compound is Covalent compound.

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