In a Surprisingly Large Number of Their Properties, Beryllium Resembles

question 140

Multiple Choice

In a surprisingly large number of their properties, beryllium resembles aluminum and boron resembles silicon. Such a relationship is called

• A) amphoterism.
• B) an allotropic relationship.
• C) a diagonal relationship.
• D) the periodic law.
• E) an isoelectronic series.

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