Some elements show allotropy.
Define allotropy.

Some elements show allotropy. Diamond is hard and non-conducting, while graphite is soft and conducting. Explain.

Some elements in p-block shows allotropy. Name two oxoacids of Sulphur.

Some elements in p-block shows allotropy. What are the allotropic forms of sulphur?

Some elements in p-block shows allotropy. What are inter halogen compounds?

Some elements in p-block shows allotropy. Write any two uses of inert gases.

Some elements in p-block shows allotropy. How will-you manufacture Sulphuric Acid by contact process?

Some elements in p-block shows allotropy. How will you manufacture ammonia by Haber process?

Name the element showing anomalous behaviour in group 2.

Which elements show similarity in chemical properties in groups and periods in the periodic table? (Noble gases, Representative elements transition elements, Lanthanoids)

The second period elements show anomalous behaviour. a) Give reason. b) What are the anomalous properties of second period elements?