The species 28 Si 2 - has:

The species 28 Si 2 - has 14 protons (since silicon's atomic number is 14), 14 neutrons (since the mass number is 28 and mass number = protons + neutrons), and 16 electrons (14 electrons for neutral silicon plus 2 extra electrons for the 2- charge).

The species 28 Si 2 - has:

The species 28 Si 2 - has 14 protons (since silicon's atomic number is 14), 14 neutrons (since the mass number is 28 and mass number = protons + neutrons), and 16 electrons (14 electrons for neutral silicon plus 2 extra electrons for the 2- charge).

Solved

The Species ²⁸Si^{2 -} Has

Question 38

Multiple Choice

The species ²⁸Si^{2 -} has:

A) 14 protons, 14 neutrons, and 16 electrons.
B) 14 protons, 14 neutrons, and 14 electrons.
C) 14 protons, 14 neutrons, and 12 electrons.
D) 28 protons, 28 neutrons, and 26 electrons.
E) none of these.

Correct Answer: