Periodic Table

What is the symbol for Caesium?

How many electrons do the halogens have in their outer shell?

What is the trend in reactivity down the halogens?

Which group in the periodic table contains the following elements, Germanium and Tin?

What is the most reactive alkali metal?

Which is the odd one out?

Who revolutionised the arrangement of the periodic table?

What happens to the density of elements down group 1?

Which halogen is a solid at room temperature?

What happens to the melting point for halogens up the group?

How many electrons do alkali metals have in their outer shell?

Which of the following is not an Alkali metal?

Which is the most reactive of the halogens?

Which group in the periodic table contains the following elements, Oxygen and Sulphur?

Who is credited with the creation of the first rough periodic table?