Paul Knochel relates how this element has also sparked a great deal ... Magnesium ions are also widely present in the basic nucleic acid chemistry of life. It is vital to the cells or enzymes ...

Ionic compounds - Edexcel When a metal element reacts with a non-metal element ... Sample exam questions - key concepts in chemistry - Edexcel Understanding how to approach exam questions helps ...

This makes bismuth unique among the heavy metals, and has earned it the status of a 'green element'. For this reason, the world of cosmetic and medicinal chemistry has paid it particular attention.

Scientists use the periodic table to quickly refer to information about an element, like atomic mass and chemical ... over 150 years of scientific development and understanding in chemistry and ...