Embibe Experts Solutions for Chapter: The s-Block Elements, Exercise 2: Level 2

Among the alkali metals, caesium is the most reactive because
                                                                                                      

 Peroxide bond is present in: 

Amongst the following, select the element having highest ionization enthalpy.
                                                                                                   

 The most electropositive element in alkali metals is: 

Which of the following has density greater than water?  

Which one of the following samples of metals can produce the most hydrogen by reacting with water?                        

Which of the following is most electropositive? 

An element having electronic configuration $1{\mathrm{s}}^2 2{\mathrm{s}}^2 2{\mathrm{p}}^6 3{\mathrm{s}}^2 3{\mathrm{p}}^6 4{\mathrm{s}}^1$ will form _______.