The atomic numbers of four elements `P,Q,R` and `S` are 6,8,14 and 16 respectively. Out of these, the element known as metalloid is

The atomic numbers of four element P,Q,R and S are 6,10,12 and 17 respectively. Which two elements can combine to form a covalent compound?

The atomic numbers of four elements A,B,C and D are 6,10,12 and 17 respectively. Which two elements combine to form a covalent compound ?

The atomic number of elements P, Q, R, S and T are given. Which is an inert gas?

There are four elements P,Q,R and S having atomic numbers of 4,18,10 and 16 respectively. The element which can exhibit covalency as well as electrovalency will be :

The atomic number of elements P, Q, R, S and T are given. Which element among these is a non metal?

Elements P, Q, R and Shave atomic numbers 11, 15, 17 and 18 respectively. Which of them are reactive non-metals?

Elements P, Q R and S have atomic numbers 11, 15, 17 and 18 respectively. Which of them are reactive non-metals?