What is the family names of elements be-longing to the 17 th group?

Some information related to the elements of the p block in the 17th group of the periodic table are given in the table below. Complete the able and analyse the following questions. a) What is the family name of element belonging to 17th group? b) what is their common valency? c) Which element has the highest electronegativity? d) Which element has highest ionisation energy? e) List out the name and chemical formula of the compounds formed by this elements with s block elements. '(##VPU_TTT_CHE_X_P01_C01_E02_002_Q01##)'

What is the common valency of elements be-longing to the 17 th group?

Write the atomic number of the element in the third period and group 17 of the period table.

What are the main factors due to which the ionisation enthalpy of the main group elements tends to decrease down a group ?

Which group of elements belong to transition elements?

The element carbon included in which group.