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, ...

When elements combine or join together new substances are formed. These substances are called compounds. This is shown in the diagram below There are millions of different compounds and all of them ...

What is an atom? Well, everything is made of atoms! Atoms themselves are made of smaller particles. In this National 4 Chemistry study guide, learn about how elements can join together in different ...

Therefore, tin (Sn) has 4 valence electrons. The presence of 4 valence electrons in tin significantly influences its chemical behavior and bonding characteristics. Tin exhibits multiple oxidation ...

Inorganic elements and their compounds are fundamental to medical biochemistry, serving as essential cofactors in enzymatic reactions, regulators of cellular signalling and metabolism, and ...

Education Collections allow us to curate the most relevant online resources related to specific NOVA programs. Use this collection of resources as a source of inspiration for your classroom: find a ...

Education Collections allow us to curate the most relevant online resources related to specific NOVA programs. Use this collection of resources as a source of inspiration for your classroom: find a ...

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.

If you would like to learn more about the IAEA’s work, sign up for our weekly updates containing our most important news, multimedia and more. INTERNATIONAL ATOMIC ENERGY AGENCY, The Chemical ...