The first element in the periodic table is_____.

Excluding hydrogen and helium, the smallest element in the periodic table is :

Collect the information about the symbols, atomic weights of first thirty elements in the periodic table and write a report.

The 18th group of elements in the periodic table is called

Name the most electronegative element in the periodic table.

Explain the position of d-block elements in the periodic table.

Which is the most electronegative element and the most electropositive element in the modern periodic table ?

The familyof elements having highest ionisation enthalpy in the periodic table is

The most electronegative element of the periodic table is : Iodine Flourine Chlorine Oxygen

a] Write the trend of atomic size and metallic character along a group and a period in the Modern Periodic Table. b]"Elements in the periodic table show periodicity of properties." List any four such properties.