The number of protons, neutrons and electrons in  \( _{71}^{175}Lu\) respectively, are:

1. 104, 71 and 71

2. 71, 71 and 104

3. 175, 104 and 71

4. 71, 104 and 71

The number of electrons, protons and neutrons in a species are equal to 18, 16 and 16 respectively. The proper symbol of the species is-

1. \(_{16}^{32}S^{2-}\)

$$2. \(_{18}^{32}S^{2-}\)

3. ${}_8{}^{16}\mathrm{S}$

4. ${}_{16}{}^{32}\mathrm{S}$