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Among the group 13 the only element whic...

Among the group 13 the only element which is non -metal

A

B

B

Al

C

Ga

D

ln

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The correct Answer is:
To determine which element among the group 13 elements is a non-metal, we can follow these steps: ### Step 1: Identify the Group 13 Elements Group 13 of the periodic table consists of the following elements: - Boron (B) - Aluminum (Al) - Gallium (Ga) - Indium (In) - Thallium (Tl) ### Step 2: Classify Each Element Next, we classify each of these elements as either a metal or a non-metal: - **Boron (B)**: Non-metal - **Aluminum (Al)**: Metal - **Gallium (Ga)**: Metal - **Indium (In)**: Metal - **Thallium (Tl)**: Metal ### Step 3: Identify the Non-Metal From the classification, we can see that: - The only non-metal in group 13 is **Boron (B)**. ### Step 4: Conclusion Thus, among the group 13 elements, the only non-metal is **Boron**. ### Final Answer The only non-metal among the group 13 elements is **Boron (B)**. ---
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