Multiple Choice
In Period 2 of the periodic table (Li, Be, B, C, N, O, F, Ne), which element has the smallest atomic mass?
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4. Atoms and Elements
Periodic Table: Representative Elements & Transition Metals
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Which of the following elements is a transition metal?
A
Neon (Ne)
B
Iron (Fe)
C
Sulfur (S)
D
Sodium (Na)
Verified step by step guidance1
Understand what defines a transition metal: Transition metals are elements found in the d-block of the periodic table, typically groups 3 through 12, and they have partially filled d orbitals.
Identify the position of each element in the periodic table: Neon (Ne) is a noble gas in group 18, Sulfur (S) is a nonmetal in group 16, Sodium (Na) is an alkali metal in group 1, and Iron (Fe) is located in group 8, which is part of the d-block.
Recall that transition metals are characterized by their ability to form variable oxidation states and often have colored compounds due to d-electron transitions.
Since Iron (Fe) is in the d-block and meets the criteria of having partially filled d orbitals, it is classified as a transition metal.
Therefore, among the given options, Iron (Fe) is the transition metal.
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