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Multiple Choice
Which element is located in group 13 and period 3 of the periodic table?
A
Aluminum (Al)
B
Indium (In)
C
Gallium (Ga)
D
Boron (B)
Verified step by step guidance
1
Understand the layout of the periodic table: groups are the vertical columns numbered from 1 to 18, and periods are the horizontal rows numbered from 1 to 7.
Identify group 13 on the periodic table, which contains elements known as the boron group. This group includes elements like Boron (B), Aluminum (Al), Gallium (Ga), Indium (In), and Thallium (Tl).
Locate period 3 on the periodic table, which is the third row from the top. Period 3 contains elements starting from Sodium (Na) to Argon (Ar).
Find the element that is both in group 13 and period 3 by looking at the intersection of the third row and the thirteenth column. This element is Aluminum (Al).
Confirm that Aluminum (Al) is the correct answer because it is the only element among the options that fits both criteria: group 13 and period 3.