Essential elements

Classify each of the following as a nonessential element, essential bulk element, or essential trace element.

Don

Nonessential element Essential bulk element Essential trace element

Hydrogen

tron

Copper

Nitrogen

Helium

Carbon

Aluminum

Calcium

Argon

The correct classification is:

Non-essential Elements:

Helium Argon Aluminum

Essential Bulk Elements:

Hydrogen Carbon Nitrogen Calcium

Essential Trace Elements:

Iron Copper

Explanation:

Essential Elements:

Essential elements are elements that are strictly required in human diet as they are crucial for normal bodily functions and the deficiency of which can result in diseases or abnormalities. Out of the total 115 elements, 19 are considered essential for the human body. These include:

Essential Bulk Elements:

Essential elements that form the bulk of our body and form the fundamental organic compounds required in the body. These are required in kilograms (kgs) in the diet. These include:

Oxygen Carbon Nitrogen Sulfur Hydrogen

2. Essential Trace Elements:

Essential trace elements are required in relatively lower quantities in the body but their deficiency results in disease and abnormal body function. These are required in milligrams (mg) in the diet as excessive consumption or accumulation can also lead to abnormalities. These include:

Iron Silicon Zinc Molybdenum Copper Manganese