Multiple Choice
Which Period 3 element is least likely to react naturally because it is a noble gas with a full valence shell?
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4. Atoms and Elements
Periodic Table: Representative Elements & Transition Metals
Multiple Choice
On the periodic table, what are the elements in groups 3–12 commonly called?
A
Halogens
B
Representative (main-group) elements
C
Noble gases
D
Transition metals
Verified step by step guidance1
Understand that the periodic table is divided into groups (vertical columns) and periods (horizontal rows), where elements in the same group share similar chemical properties.
Recognize that groups 3 through 12 on the periodic table correspond to the d-block elements, which are characterized by having their outermost electrons in d orbitals.
Learn that elements in groups 3–12 are commonly referred to as 'transition metals' because they exhibit typical metallic properties and often have variable oxidation states.
Differentiate these from other groups: Halogens are in group 17, Representative (main-group) elements are in groups 1, 2, and 13–18, and Noble gases are in group 18.
Conclude that the correct term for elements in groups 3–12 is 'transition metals' based on their position and shared chemical characteristics.
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