The Ion ³¹P^3- Has

question 6

Multiple Choice

The ion ³¹P^3- has

• A) 15 protons, 15 neutrons, 12 electrons
• B) 15 protons, 15 neutrons, 3 electrons
• C) 15 protons, 31 neutrons, 15 electrons
• D) 15 protons, 16 neutrons, 18 electrons
• E) 15 protons, 15 neutrons, 15 electrons

---

Definitions:

Maintenance

The routine activities required to keep a machine, system, or facility operating efficiently and to prevent any unexpected failures.

Reliability

The likelihood that a system or component will perform its required functions for a specified period under stated conditions.

Components

Individual parts or elements that combine or work together within a larger product, system, or mechanism.

Series

A sequence of numbers, objects, or events arranged in a specific order and often following a specific rule.