The Zirconium Nucleus Contains 40 Protons,and an Electron Is 1

question 38

Multiple Choice

The zirconium nucleus contains 40 protons,and an electron is 1.0 nm from the nucleus.What is the electric force on the electron due to the nucleus? ( e = 1.60 × 10^-19 C,k = 1/4πε₀ = 9.0 × 10⁹ N ∙ m²/C²)

• A)2.9 nN
• B)1000 C
• C)3.7 nN
• D)6.8 nN
• E)9.2 nN

---

Definitions:

Opportunity Cost

The cost of what is foregone in order to pursue a certain action, essentially the benefits you could have received by taking an alternative action.

Consumer Sovereignty

The idea that consumers ultimately dictate what will be produced (or not produced) by choosing what to purchase (and what not to purchase).

Economic Problem

The issue of limited resources to meet unlimited wants and needs, requiring choices and prioritization.

Centralized Decision Making

A process where decisions are made by a few people or a single authority, rather than being dispersed among many.