Question

The atomic number of 2 elements A and B are 11 and 12 respectively. Which element ehibits metalic property. Why

Answer 1

both are metals
because at.no. 11 is of sodium(Na) which is a metal...
and at.no.12 is of magnesium(Mg) which is also a metal...

Answer 2

both will exhibit metallic property-
because Atomic number 11 is of sodium(Na) which is a metal and Atomic number 12 is of magnesium(Mg) which is also a metal.