The film discusses the classification of matter into homogeneous and heterogeneous types, focusing on elements, compounds, and mixtures. It explains the properties of two elements, iron and sulfur, ...

Students learn to classify matter as elements, compounds, and mixtures. Matter: Classification of Matter: Students learn to classify matter as elements, compounds, and mixtures and to distinguish ...

A few years ago, Saurabh Chitnis, a synthetic chemist at Dalhousie University, did some math that spurred a radical decision. He calculated what it was costing him to send lab-made compounds away for ...