Sr. # | Questions | Answers Choice |
---|---|---|
1 | Atomic number of th eelement of fourth position in second period. | 4 5 6 7 |
2 | An element of group 17 of the Periodic Table. | Cl Ar S Si |
3 | Ne belongs to | Nitrogen family Fluorine family Noble gases Alkaline earth metals |
4 | An alkali metal | F Be Al Na |
5 | Mg belong to the period of the Periodic Table. | 1st 2nd 3rd 4th |
6 | An element of the third period is the periodic table. | Li He P H |