This interaction is determined largely by the electronic structure of atoms and molecules; photon absorption or emission is associated with an electron moving from one energy level to another.

Chemical Engineering is concerned with the design and operation of processes which convert materials and energy into the higher value products we use every day. It understands the processes which ...

LO3: Describe and explain the structures, roles and activities of the major biological molecules, sub-cellular components and cell types. LO4: Develop problem solving skills and the ability to analyse ...

Feb. 7, 2025 — A complex molecular machine, the spliceosome, ensures that the genetic information from the genome, after being transcribed into mRNA precursors, is correctly assembled into ...

This table summarises some of the properties and uses of three halogens: ...