Which of the species below has 28 protons and 26 electrons? A)Fe²⁺ B)Ni²⁺

Question

Quizplus · Accepted Answer

The atomic number of an element is equal to the number of protons it has. Since the species in question has 28 protons, we need to find the element with an atomic number of 28. Option A and C both have sulfur (S) which has an atomic number of 16, and option D has boron (B) which has an atomic number of 5. Only option B has nickel (Ni), which has an atomic number of 28. Therefore, option B is the correct choice.

Which of the Species Below Has 28 Protons and 26