The atom with atomic number `12` will most likely combine chemically with atom whose atomic number is

An atom with atomic number 20 is most likely to combine chemically with the atom whose atomic number is

An atom with atomic number 20 is most likely to combine chemically with the atom whose atomic number is

Select the correct answer from A, B, C & D: An element with the atomic number 19 will most likely combine chemically with the element whose atomic number is:

Choose the correct answer from the options given below : An element with the atomic number 19 will most likely combine chemically with the element whose atomic number is :

An element with atomic number 20 is most likely to combine with the element whose atomic number is-

The element with atomic number 17 is likely to have same period as an element with atomic number