One Form of Asbestos Called Chrysotile Is Considered to Be

question 107

Multiple Choice

One form of asbestos called chrysotile is considered to be a human carcinogen. Mass analysis shows that the composition of chrysotile is 26.3% Mg, 20.2% Si, 1.45% H, and the remainder of the mass is oxygen. Determine the empirical formula of chrysotile.

• A)MgSiHO₃
• B)Mg₂Si₂H₂O₅
• C)Mg₃Si₂H₄O₆
• D)Mg₃Si₂H₄O₉
• E)Mg₄Si₃H₅O₉

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Definitions:

Common Ancestor

An ancestor that two or more descendants have in common, where it is the most recent individual from which all organisms in a group directly descend.

Hox Genes

A group of related genes that control the body plan of an embryo along the head-tail axis.

WNT Genes

A family of genes that encode for signaling molecules involved in the regulation of embryonic development and the control of cell processes in adult animals.

Land Animals

Organisms that live primarily or exclusively on land, as opposed to aquatic or air environments.