The element which belong to 3rd period and IVA group of periodic table is

An element X belongs to 3 rd period and Group 2 of the periodic table . State ( a) The no . Of valence electrons (b ) The valency (c ) Whether it is metal or a non- metal

The atomic number of elements P, Q, R, S and T are given. Which element belongs to 3rd period of periodic table?

Z' element belongs to (second ) 2^(nd) group in the periodical table , Write the formula of oxide of it .

Write the atomic number of the element, present in the third period and seventeenth group of the periodic table.

Write the atomic number of the element, present in the third period and seventeenth group of the periodic table.

Some elements belonging to second period of periodic table , and their atomic radii are given below .Observe them and write answers . which is the outermost orbit of alll these elements ?

Some elements belonging to second period of periodic table , and their atomic radii are given below .Observe them and write answers . Which of the 2^(nd ) period elements closer to the configuration of inert gas ?