Everything we can see and touch, and quite a lot that we can’t as well, is made of tiny particles called atoms. Some substances, like particles of this iron, contain only one kind of atom. Iron is an ...

Chemistry: Elements, Compounds, and Mixtures (2nd Edition) (1983) is a 20-minute educational film from the *Chemistry Series* by Coronet Instructional Films, distributed by Simon and Schuster.

How have our ideas about atoms changed over time? - OCR 21st Century What does the periodic table tell us about the elements? How are equations used to represent chemical reactions?

Most chemical compouds are still unknown to science. How many new ones can we make by combining elements from the periodic table? When you purchase through links on our site, we may earn an affiliate ...