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InterviewSolution
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3State one reason for keeping boron and aluminium in the same group ofthe periodic table. |
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Answer» The last of the p block families we will be looking at is theboron family-- Group 13. This group includes the elements boron, aluminum, gallium, indium, and thallium. All five have three electrons in their outer energy level. Only one member of this family is a metalloid -- boron. The others are classified as metals, forming positive ions by giving up their three outermost electrons. |
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