What are allotropic forms of sulphur ?

What are allotropes?

Diamond and Graphite are two allotropic forms of carbon. Both are covalent solids. These two froms have different structures and hence differ in physical properties. Both have their own importance in being used in everyday life. Diamond is popularly used in jewellery and graphite is extensively used as electrodes in many industrial processes. Answer the following questions Which of the allotropes is a good conductor of electricity.

Give two allotropic forms of carbon

What is the main source of sulphur in biological systems?

On dissolving 3.24g of sulphur in 40g of benzene, boiling point of solution was higher than that of benzene by 0.81K. K_b value for benzene is 2.53K kg mol^-1 . What is the molecular formula of sulphur? (Atomic mass of sulphur=32 g mol^-1) .

Name three allotropes of Phosphorus. Which of these is most reactive ?