Phosphorus Has an Atomic Number of 15 and an Atomic

question 7

Multiple Choice

Phosphorus has an atomic number of 15 and an atomic mass of 31.How many neutrons does it have?

• A) 5
• B) 16
• C) 30
• D) 31
• E) 47

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Definitions:

Emphysema

A chronic respiratory disease characterized by the destruction of air sacs in the lungs, leading to breathing difficulties.

Impaired Mobility

A reduction in the ability to move freely, which can impact activities of daily living and quality of life.

Osteoporosis

A bone disease characterized by decreased bone density and strength, leading to an increased risk of fractures.

Bone Density

A measure of the amount of minerals (primarily calcium and phosphorous) contained in a certain volume of bone, used to diagnose osteoporosis.