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Describe two similarities and two dissimilarities between B and Al.

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Describe two similarities and two dissimilarities between B and Al.

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Similarities: 

1. Both have similar electronic configuration 

2. Both have same number of valence electrons

Dissimilarities: 

1. B is non-metal; Al is metal 

2. B forms acidic oxide (B2O3) whereas Al form Al2O2 which is amphoteric

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