Multiple Choice
Which period 3 element has the following successive ionization energies (in kJ/mol): 496, 4562, 6910, 9544?
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2. Atoms & Elements
Periodic Table: Representative Elements & Transition Metals
Multiple Choice
Which of the following metals is the most abundant in Earth's crust?
A
Copper (Cu)
B
Aluminum (Al)
C
Zinc (Zn)
D
Iron (Fe)
Verified step by step guidance1
Understand that the problem asks for the metal that is most abundant in Earth's crust among the given options: Copper (Cu), Aluminum (Al), Zinc (Zn), and Iron (Fe).
Recall that Earth's crust composition is dominated by certain elements, with oxygen and silicon being the most abundant non-metals, and metals like aluminum and iron being significant in quantity.
Recognize that Aluminum (Al) is known to be the most abundant metal in the Earth's crust, making up about 8.1% by weight, primarily found in minerals like feldspar.
Compare the relative abundances of the other metals: Iron (Fe) is abundant but less so than aluminum, Copper (Cu) and Zinc (Zn) are present in much smaller amounts.
Conclude that Aluminum (Al) is the correct answer because it is the most abundant metal in Earth's crust among the options provided.
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