Open Question
Which of the following is an atomic element?
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2. Atoms & Elements
Periodic Table: Elemental Forms
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Which of the following is a trace element required by all living organisms?
A
Mercury (Hg)
B
Lead (Pb)
C
Iron (Fe)
D
Gold (Au)
Verified step by step guidance1
Understand the concept of trace elements: Trace elements are minerals present in living tissues in small amounts, essential for various physiological functions.
Identify the role of trace elements: They are crucial for enzyme function, hormone production, and maintaining the structure of proteins and cells.
Recognize common trace elements required by organisms: These include iron (Fe), zinc (Zn), copper (Cu), manganese (Mn), and iodine (I), among others.
Evaluate the options given: Mercury (Hg), Lead (Pb), and Gold (Au) are not typically required by living organisms as trace elements.
Conclude that Iron (Fe) is a trace element required by all living organisms, as it is essential for oxygen transport in the blood and other vital functions.
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