Diagonal relationships in the periodic

Diagonal relationships in the periodic table exist as well as the vertical relationships. For example, Be and Al are similar in some of their properties, as are B and Si. Rationalize why these diagonal relationships hold for properties such as size, ionization energy, and electron affinity. 

Give some illustrations of diagonal relationships in the periodic table, and explain each. 

Lithium carbonate is often administered orally in the treatment of mania or depression or both. From what you have learned of the diagonal relationships in the periodic chart, predict one possible unpleasant side effect of lithium therapy. 

Figure 14.2 Three diagonal relationships in the periodic table. Certain Perbd 2 elements exhibit behaviors that are very similar to those of the Period 3 elements immediately below and to the right. Three such diagonal relationships exist Li and Mg, Be and Al, and B and Si.

Alkaline earth metals are involved in two key diagonal relationships in the periodic table, (a) Give the two pairs of elements in these diagonal relationships, (b) For each pair, cite two similarities that demonstrate the relationship, (c) Why are the members of each pair so similar in behavior ... 

Diagonal relationships in the periodic tabie exist as weii as the vertical relationships. Forexampie, BeandAi are simiiar in some... 

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