How Many Electrons, Protons, and Neutrons Are in a Neutral ${ }_{64}^{160} \mathrm{Gd}$

question 134

Multiple Choice

How many electrons, protons, and neutrons are in a neutral atom of the following isotope of gadolinium
${ }_{64}^{160} \mathrm{Gd}$

• A) 64 electrons, 64 protons, and 160 neutrons
• B) 64 electrons, 64 protons, and 96 neutrons
• C) 96 electrons, 96 protons, and 64 neutrons
• D) 64 electrons, 96 protons, and 96 neutrons
• E) None of the above are correct

---

Definitions:

Marginal Revenue

The additional income earned from selling one more unit of a good or service.

Surround Sound Systems

Audio systems designed to create a more immersive sound environment by using multiple speakers around the listener.

Monopoly

A market structure where a single seller controls the entire market for a product or service, having significant market power.

Profit

The financial gain derived from the difference between the revenue earned from selling a good or service and the costs associated with its production and sale.