Question

Please Answer this. please do correct answer only. thanku​

Answer 1

Answer:

i) Y

ii)R

iii)Q

Iv)X

V)Y and Z

Explanation:

i) As Atomic no.55 is Cs so its a alkali metal thats why producing basic oxides

ii) as Atomic number 18 is argon so its inert.

iii) Its Bismuth as it shows the respective properties if any doubt just google it.

iv) As Element X is Cr it has d orbital so it lies in the d block

v) Y= Cs

Z=Br

They are electro negative pairs