Four different collections are given below.Write the collection which is not a set.(i)The collection of 12 months of a year

Which of the folowinfg sets are finite or infinite? The set of months of a year

The atomic number of four elements are given below. Write the sub-shell electronic configu-rationof the elements.

The atomic number of four elements are given below. Write the chemical formula of the compound formed by two elements other than inert gases.

The atomic number of four elements are given below. Which of them are inert gases ?

An incomplete form of the periodic table is given below. Write answers to the questions connecting the position of elements in it. (Symbols not real) Which is the element with the biggest atom in group I?

Consider the following collections (a) Collection of all even integers (b) Collection of all best student in your town (c) Collection of all boys in your town Then , which of the following is true? Justify your Answer. (a) , (b) and (c) are all sets

Write the dcimals given below in the fractional form. 0.12

Four statements about benzene molecule are given below of these which is not correct statement. Justify your answer.

The atomic number of two elements are given below. Si-14 Ni-28 : Write the subshell electronic configu- I ration of these elements.