Controlling the topology and structure of entangled molecular strands is a key challenge in molecular engineering, ...

Due to their different structures their physical ... Both have a molecular formula of \({C_4}{H_{10}}\). The structural formulae are different though, so they are isomers of each other.

Atomic structure Atoms are ... atoms are held together by chemical bonds, either sharing or gaining/losing electrons. Chemical formulae The chemical formula for a substance shows how many atoms ...