Which of the following represents a species with 16 protons and 18 electrons? A) Ar B) S C) S²⁻ D) Si⁴⁻ E) S²⁺ Question 5 of 40

Question

asked Dec 23, 2021 178k views

1 Answer

Peter Westerlund · Answer 1 · 2021-12-29T11:29:24+0000

Answer:S²⁻

Step-by-step explanation:

Sulphur is in group 16. The atomic number of sulphur is 16.

However, sulphur can accept two electrons to form the sulphide ion S²⁻ which contains 18 electrons, hence the answer provided above.