The periodic table - AQA Mendeleev made an early periodic table ... Chemical reactions are reversible and may reach a dynamic equilibrium. The position of equilibrium of a reversible reaction can be ...
This app brings the dynamic world of weather into the palm of students’ hands with iOS and Android ... Designed for a younger audience, Toca Lab: Elements turns learning about the periodic table into ...
Since finding his start in selling books, Willshire has acquired vast experience in book publishing, most recently working at Cambridge University Press as head of sales, retail and wholesale accounts ...