Q1
Period 3 of the Periodic Table is shown.
What increases from Na to Ar across Period 3?
C] non-metallic character
Q2
Three properties of element X are listed.
 It contains atoms with a full outer shell of electrons.
 It is monoatomic.
 It is unreactive.
In which part of the Periodic Table is the element
placed?
C] Group VIII
Q3
All Group I metals react with cold water.
Complete the following equation.
____Rb + ____H2 O → _____ + _____
2Rb + 2H2O → 2RbOH + H2