Consider the following information about element P and Q:
`{:(,"Period number","Group number"),(P,2,15),(Q,3,2):}`
the formula of the compound formed by P and Q element is:

An element P (atomic number 20) reacts with an element Q (atomic number 17) to form a compound. Answer the following questions giving reason: Write the position of P and Q in the Modern Periodic Table and the molecular formula of the compound formed when P reacts with Q.

An element P (atomic number 20) reacts with an element Q (atomic number 17) to form a compound. Answer the following questions giving reason : Write the position of P and Q in the Modern Periodic Table and the molecular formula of the compound formed when P reacts with Q.

An element Q belongs to 3^(rd) period and group 17 of the Modern Periodic table. Answer the following questions: What is the valency of Q. What is the name of the element? Write the formula of the compound formed in the reaction of Q with sodium.

An element P(atomic number 20) reacts with an element Q (atomic number 17) to form a compound. Answer the following questions giving reasons : (a) Write the positions of P and Q in the Modern Periodic Table. (b) Write the molecular formula of the compound when P reacts with Q.

An element P(atomic number 20) reacts with an element Q (atomic number 17) to form a compound. Answer the following questions giving reasons : (a) Write the positions of P and Q in the Modern Periodic Table. (b) Write the molecular formula of the compound when P reacts with Q.

Atoms of element P form ccp lattice and those of the element Q occupy 1/3rd of tetrahedral voids and all octahedral voids. What is the formula of the compound formed by the elements P and Q?

Group and period number of two elements are given. P-group17,period-3, Q-group2,period-3: Write the chemical formula of the co- I mpound formed by their combination.

Two elements P and Q combine to form a compound. If P has 2 and Q has 6 electrons in their outermosrt shell, what will be formula of the compound formed ?