OnlineCBT
Chemistry · Structure of atom
हिन्दीA species has 18 electrons, 16 protons, and 16 neutrons. Assign the correct chemical symbol to this species.
Correct answer · Option 1
\( ^{32}_{16}\text{S}^{2-} \)
Explanation
Atomic number \( Z = 16 \) (Sulphur), mass number \( A = 16 + 16 = 32 \), and excess electrons = \( 18 - 16 = 2 \), giving charge \( 2- \). Thus, \( ^{32}_{16}\text{S}^{2-} \).
