You're listening to Chemistry in its element brought to you by Chemistry World, the magazine of the Royal Society of Chemistry. Milk, cheese, yogurt, spinach, almonds. What element do they all have in ...

Across the hall, a rebuilt but venerable cyclotron was flinging calcium atoms against ... to be a final box on the periodic table, a maximum size beyond which an atom won’t be stable even ...

Since this atom has a total of eight electrons ... the next electron goes into the fourth level. 4th Period: Potassium and Calcium—Electrons go into the fourth energy level. A small piece of sodium ...

Calcium is found on the left of the periodic table, surrounded by other metals. Calcium has the usual properties of a metal. For example it is a good conductor of heat and electricity. Gethin ...