If an Element Has an Atomic Number of 15, Then

question 35

Multiple Choice

If an element has an atomic number of 15, then

• A) the atomic mass must also be 15.
• B) the atom has 15 electrons.
• C) there are 7 electrons in the outermost shell.
• D) the atom has 15 neutrons.
• E) the atom must have only one orbital.

---

Definitions:

MTBF Distribution

Mean Time Between Failures (MTBF) Distribution refers to the probability distribution that represents the time between failures in a system or component, helping in reliability analysis.

Breakdown Maintenance

A reactive maintenance strategy that involves repairing or restoring equipment only after it has failed.

Preventive Maintenance

Regular and routine maintenance to help keep equipment running smoothly and prevent any unplanned downtime due to unexpected equipment failure.

Equipment

The machinery, tools, and devices necessary for conducting an operation or task.