Struggling with your prescribed literature?
Our Literature Study Guides provide insights and analysis of themes and characters and includes guidelines for writing your exam.
a way of indicating the valencies in the names of the compound. Stock notation uses Roman...
pollutants that accumulate over the years in water and on the land and cause serious problems....
Stock pollutants are pollutants that accumulate over years in water and on land. They cause...
chemical calculations that involve amounts of different chemicals.
the area of chemistry that deals with the relative quantities of reactants and products in...
Stokvels are groups of people that make their own decisions about how to save their money...
two bean-shaped guard cells surrounding a pore in the epidermis of a leaf that allow gases to...
a muscular sac-like organ in which food is mixed with gastric juice.
minute pores in the epidermis of a leaf or stem which allows for movement of gases and water...