Which periodic group contains metals, nonmetals, and metalloids?

Rationale

Group 15 contains metals, nonmetals, and metalloids.

Group 15 of the periodic table includes a diverse range of elements, such as nitrogen (a nonmetal), phosphorus (a nonmetal), arsenic (a metalloid), antimony (a metalloid), and bismuth (a metal). This variety allows Group 15 to encompass all three categories of elements, highlighting its unique position in the periodic table.

A (Group 1) YOUR ANSWER

Group 1 contains alkali metals, which are highly reactive metals such as lithium, sodium, and potassium. This group does not include nonmetals or metalloids; instead, it is exclusively composed of metallic elements characterized by their single outer electron and tendency to lose it during chemical reactions.

B (Group 15) CORRECT

Group 15 is known for its inclusion of various types of elements, including metals, nonmetals, and metalloids. This group exemplifies the diversity of the periodic table by containing nitrogen and phosphorus as nonmetals, arsenic and antimony as metalloids, and bismuth as a metal, making it the correct choice for this question.

C (Group 17) YOUR ANSWER

Group 17, also known as the halogens, primarily consists of nonmetals such as fluorine, chlorine, bromine, and iodine, with astatine being a metalloid. Although it includes one metalloid, the group predominantly lacks metals, therefore not fulfilling the requirement of containing all three categories.

D (Group 18) YOUR ANSWER

Group 18 consists of the noble gases, such as helium, neon, and argon, which are all nonmetals. This group is characterized by its lack of reactivity and does not include any metals or metalloids, making it unsuitable for the question posed.

Conclusion

Group 15 stands out as the only periodic group that includes metals, nonmetals, and metalloids, showcasing a broad spectrum of elemental properties. In contrast, Groups 1, 17, and 18 are limited to either metals or nonmetals, failing to represent the diverse classification present in Group 15. This diversity is crucial for understanding the behavior of elements and their interactions in various chemical contexts.

Which periodic group contains metals, nonmetals, and metalloids?

Group 15 contains metals, nonmetals, and metalloids.

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