What is Groups?

What is a group?

What is a group reagent ?

What is group of bacteria found in both ;cattle and sludge of sewage treatment?

What is group displacement law ? An element belonging to group 1 decay by beta^(c-)- emission. To which group of the periodic table the daughter element will belong ?

What is group displacement law ? An element belonging to group 1 decay by beta^(c-)- emission. To which group of the periodic table the daughter element will belong ?

What are 'groups' of the Modern Periodic Table. What does the group number' signify.