What Series of the Following Elements Are Metalloids

question 30

Multiple Choice

What series of the following elements are metalloids?

• A)Tungsten, silicon, and gallium
• B)Tungsten, sulfur, and silver
• C)Germanium, antimony, and sulfur
• D)Gallium, germanium, and antimony

---

Definitions:

Runout Tolerances

Specifies the limits within which the variation of a surface's location and the feature's circularity must be contained as it rotates around a datum axis.

Datum Feature

A physical feature of a part that acts as a reference for measurement and geometry during machining or inspection processes.

RFS

Requirement for the feature size; a specification in geometric tolerancing where size is a factor.

Runout Tolerance

A type of geometric tolerance that controls the variation of a feature's surface as it rotates about a datum axis.