Nitric acid contains three elements: hydrogen, nitrogen, and oxygen.
Iron (Fe) is the element present in ferric chloride.
Phosphorus is only present in a phosphorous but not in chitin so your answer is Phosphorus :)
Sulfur is always present in sulfides.
Carbon is the primary element present in coal, making up a significant portion of its composition.
There are three elements in sulfuric acid. hydrogen, oxygen, and sulfur.
The element "Oxygen".
Iron (Fe) is the element present in ferric chloride.
Phosphorus is only present in a phosphorous but not in chitin so your answer is Phosphorus :)
Magnesium
There are A + Z nucleons in an element
The sun's main present element is hydrogen.
carbs
Sulfur is always present in sulfides.
Carbon is the primary element present in coal, making up a significant portion of its composition.
If it is an element, then by definition there is nothing else present.
Nitrogen
Enzymes.