What is magnesia cement or Sorel's cement?

What happens when a burning magnesium ribbon is introduced into a jar of carbon dioxide?

Bones contain calcium ions. What do you think which anions are associated with them?

What happens when calcium oxide is strongly heated with coke?

Why is calcium preferred over sodium to remove last traces of moisture from alcohol?

What is concrete?

What is fly ash?

What are representative elements?

Name the elements of group 1. Write their electronic configurations.

Discuss the general trends in atomic and ionic radii of alkali metals.