Question

In the following table Element A has mass no.2 and Atomic no. 1 ,B element has massno.3and atomic no is1 element C has massno.3 and Atomic no 2 Element D massno.6 and Atomic no 3 Element E has massno 9 and Atomic no 4 Element F has massno 11 atomic no.5 Element G has massno 19 and Atomic no 9 Element H has massno 23 atomic no 11......which atoms are isotopes of the same element? Which atom will form single positively charged Ion??.Which is the atom of inert gas???Which of these has 11 electrons​

Answer 1

*****Isotope»Same atomic no. but different mass no. ------Element A and B

*****Single positively charged ion-----A,B and H

****Inert gas------Element C

****11 electron -----Element H