Multiple Choice
Which group of elements belongs to the f-block of the periodic table?
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2. Atoms & Elements
Periodic Table: Classifications
Multiple Choice
Which of the following is the most specific classification for the element europium?
A
Transition metal
B
Lanthanide
C
Actinide
D
Alkali metal
Verified step by step guidance1
Step 1: Understand the classification categories given: Transition metals, Lanthanides, Actinides, and Alkali metals. These are groups or series in the periodic table that classify elements based on their properties and electron configurations.
Step 2: Identify europium's position in the periodic table. Europium has the atomic number 63 and is located in the f-block of the periodic table, which contains the lanthanide series.
Step 3: Recall that lanthanides are the 15 elements from atomic numbers 57 (lanthanum) to 71 (lutetium), characterized by filling of the 4f electron orbitals.
Step 4: Recognize that transition metals are d-block elements, typically from groups 3 to 12, and europium is not in this block, so it is not a transition metal.
Step 5: Conclude that europium is most specifically classified as a lanthanide because it belongs to the f-block lanthanide series, making 'Lanthanide' the most specific and correct classification.
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