Group and period number of two elements are given. P-group17,period-3, Q-group2,period-3: Write the chemical formula of the co- I mpound formed by their combination.

Group and period number of two elements are given. P-group17,period-3, Q-group2,period-3: Write the sub-shell electronic configu-ration of each.

Write the chemical formula of the compound formed by combining element S with P.

The outermost electronic configuration of A is 2s^2 2p^2 (Symbols are not real) a) Find the group number, block of this element. b) Write the chemical formula of the compound obtained by the reaction of A and chlorine. c) Write down the complete subshell electronic configuration of the element coming just below A in the same group of the periodic table?

Write down the group and period of each element.

The atomic number of two elements are given below. Si-14 Ni-28 : Find out the group and period of each I element.

Total number of elements accommodated in period 6 and group 3 are respectively

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

Atomic numbers of two elements 'A' and 'B' are 31 and 41 respectively. Identify their group and period in the long form of the periodic table.