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 ...

A pure substance made from more than one type of element chemically bonded together. Elements bond in fixed ratios and so can be represented by a chemical formula. For example, sodium chloride has the ...

Homogeneous And Heterogeneous Mixtures; Definition, Difference And Examples: First of all, we will be talking about what are mixtures and then we will be talking about these two mixtures along with ...

The conceptual and technical approaches that led to the explosive growth of combinatorial chemistry began approximately 20 years ago. In the past decade, combinatorial chemistry has continued to ...

A team at Oak Ridge National Laboratory (ORNL) in the US has reported the first synthesis and characterisation of a molecular radium compound by single crystal x-ray diffraction. The findings reveal ...