Question

An element X is a yellow solid at room temperature shows catenation and allotrophy. X also forms to oxides which are also formed during thermal decomposition of ferrous sulphate crystals and are the major air pollutants:
1) Identity the element X.
2) Write it's electronic configuration.
3) Write balanced chemical equation for thermal decomposition of ferrous sulphate.
4) What will be the nature of oxide formed.
5) Locate the position of X. ​

Answer 1

sulphur electronic configration -2,8,6
block p
group 16
period 3