Group 1 elements react with moist air. They are stored in oil to stop air and water vapour coming into contact with them. Moist air reacts with potassium to form potassium oxide. This creates a ...

g., in the schema the elements of group 1 would consist of those with atomic numbers 3, 11, 19, 37 and 55. (Li-Na-K-Rb-Cc). Only the first and last four members of each period show characteristic ...

They must be stored under oil to prevent them reacting with the air or water vapour. All Group 1 elements react with water to produce a metal hydroxide and hydrogen. This is the equation for the ...

It arranges all natural and synthetic elements by their atomic number , ranging from 1 to 118, grouping them ... atomic ...