The element which has not yet been reacted with `F_(2)` is

Which of the following reacts with F_(2) ?

The micro essential mineral element which has been reported recently is

The micro essential mineral element which has been reported recently is

The elements Z=107 and Z=109 have been made recently, element Z=108 has not yet been made. Indicate the groups in whịch you will place the above elements.

NO_(2) reacts with F_(2) to give

The element having atomic number Z = 107 and Z = 109 have been made recently, element Z = 108 has not yet been made. Indicate the group number in which you will place the above element.

The element having atomic number Z = 107 and Z = 109 have been made recently, element Z = 108 has not yet been made. Indicate the group number in which you will place the above element.