Answer :
Final answer:
The elements in the lower left corner of the Periodic Table are classified as metals, which are distinct from the nonmetals in the upper right corner and metalloids, which exhibit properties of both and are located along the diagonal band that separates metals from nonmetals.
1 is correct
Explanation:
The elements located in the lower left corner of the Periodic Table are classified as metals. The periodic table arranges elements by increasing atomic number and groups them based on similar properties. Metals, located predominantly on the left side of the table, are characterized as lustrous, good conductors of electricity, and malleable. In contrast, nonmetals are found on the upper right side and they are generally brittle and poor electrical conductors. The diagonal band separating metals and nonmetals contains metalloids, which exhibit a mix of properties from both groups.
Different areas of the periodic table are known for having specific classifications of elements. For instance, the main group elements or representative elements are found in Groups 1A through 8A, whereas the transition metals are located in Groups 3 through 12. The separation of these classifications is evident with periodic tables often using colors or shades to indicate these differences. Metals are sometimes shown in purple, nonmetals in yellow, and metalloids in a different distinguishing color.
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In the lower left corner of the Periodic table are elements of the Group 1 and they are called Alkali metals. The Alkali metals are highly reactive elements that readily lose their outmost electron to form cations with charge +1. The elements are: rubidium ( Rb ), caesium ( Cs ) and francium ( Fr ). Answer : 1 ) Metals
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