An Element M Reacts with Chlorine to Form MCl₂,with Oxygen

question 87

Multiple Choice

An element M reacts with chlorine to form MCl₂,with oxygen to form MO,and with nitrogen to form M₃N₂.The most likely candidate for the element is

• A)Na
• B)Sr
• C)B
• D)Ge

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Definitions:

Avignon Papacy

The period from 1309 to 1376 during which seven successive popes resided in Avignon (then in the Kingdom of Arles, part of the Holy Roman Empire, now in France) rather than in Rome, leading to significant controversy and conflict within the Catholic Church.

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Refers to Dante Alighieri, the renowned Italian poet of the Late Middle Ages, known for his masterpiece, "The Divine Comedy."

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An architectural style influenced by the buildings of ancient Greece and Rome, characterized by symmetry, columns, and elaborate decoration.

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Architectural features consisting of external supports that transfer the thrust of a vault or roof to support piers, critical in the construction of Gothic cathedrals.