There's no mess with soil or compost - all you need is a jar and an airing cupboard to grow Chinese bean sprouts, also known as mung beans, which may not be as long as the ones you buy in supermarkets, but they'll be just as tasty.
Best Answer: Polyatomic: The only difference between a polyatomic ion and a normal ion is that a polyatomic ion is composed of more than one elements. The elements are chemically bonded and have an overall net charge like a normal ion.
Diatomic molecules are molecules composed only of two atoms (the Greek prefix di- means two). Seven of the chemical elements exists as diatomic molecules. Following is an alphabetical list of the most important diatomic molecules and the physical properties: 2 or Cl 2) are called homonuclear molecules (in contrast to heteronuclear diatomic molecules, such as NO or CO).