Multiple Choice
Who is credited with first arranging the elements into a periodic pattern, leading to the development of the periodic table?
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2. Atoms & Elements
Periodic Table: Classifications
Multiple Choice
Which group of elements on the periodic table is primarily classified as metalloids?
A
Elements along the staircase between metals and nonmetals
B
Group 13
C
Group 14
D
Group 18
Verified step by step guidance1
Understand that metalloids are elements that have properties intermediate between metals and nonmetals.
Recall that on the periodic table, metalloids are typically found along the 'stair-step' line that separates metals on the left from nonmetals on the right.
Identify that this staircase line runs diagonally from Group 13 to Group 17, including elements like boron, silicon, arsenic, and others.
Recognize that Group 13 and Group 14 contain some metalloids but are not exclusively metalloids, and Group 18 contains noble gases, which are nonmetals.
Conclude that the best classification for metalloids is the elements located along the staircase line between metals and nonmetals.
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