Hydrogen Forms Metallic (Interstitial) Hydrides with the D and F

question 47

Multiple Choice

Hydrogen forms metallic (interstitial) hydrides with the d and f transition elements. Which of the following statements is correct?

• A)These substances have distinct stoichiometric formulas like ionic hydrides.
• B)Hydrogen forms bonds with the metals by donating its electron to the valence band of the metal.
• C)Hydrogen molecules and atoms occupy holes within the crystal structure of the metal.
• D)These substances are useful catalysts.
• E)These hydrides are stabilized by hydrogen bonding forces.

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