Alloys Generally Differ from Compounds in That

question 39

Multiple Choice

Alloys generally differ from compounds in that

• A)the former always contain some carbon.
• B)the former always contain some iron.
• C)the former always have semiconductor properties.
• D)the atomic ratios of the constituent elements in the former are not fixed and may vary over a wide range.
• E)the former never contain a transition element.

---

Definitions:

Homoplastic

Exhibiting similarity in appearance due to convergent evolution rather than ancestry.

R. H. Whittaker

An American ecologist famous for proposing the five kingdom classification of organisms in 1969.

Five-kingdom Classification

A system of categorizing all living organisms into five groups: Monera, Protista, Fungi, Plantae, and Animalia.

Four-kingdom Classification

An outdated system of biological classification organizing living organisms into four major kingdoms: Protista, Fungi, Plantae, and Animalia.