How many of the following metals when heated in an atmosphere of N_(2)gas form nitrides ? Li , Na , K , Rb , Cs , Mg , Ca ,Sr , Ba

How many of the following metals when heated in an atmosphere of N_(2)

1.	How many of the following metals when heated in an atmosphere of N_(2)gas form nitrides ? Li , Na , K , Rb , Cs , Mg , Ca ,Sr , Ba
Answer» SOLUTION :FIVE , Li , Mg , CA , SR , BA .