Multiple Choice
Which element on the periodic table is commonly recognized as having properties of both metals and nonmetals?
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2. Atoms & Elements
Periodic Table: Representative Elements & Transition Metals
Multiple Choice
Which of the following elements is most abundant in the Earth's crust?
A
Aluminum (Al)
B
Iron (Fe)
C
Oxygen (O)
D
Silicon (Si)
Verified step by step guidance1
Understand that the Earth's crust is composed of various elements, with some being more abundant than others based on geological studies and chemical analysis.
Recall that oxygen is a major component of many minerals in the Earth's crust, often combined with other elements to form oxides and silicates.
Recognize that silicon is also very abundant, primarily because it forms silicate minerals, which make up a large portion of the crust.
Compare the relative abundances of aluminum and iron, which are significant but less abundant than oxygen and silicon in the crust.
Conclude that oxygen is the most abundant element in the Earth's crust due to its presence in many compounds and minerals, followed by silicon, aluminum, and iron.
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