Which of the Following Is NOT Considered a Heavy Metal

question 182

Multiple Choice

Which of the following is NOT considered a heavy metal?

• A)Iron
• B)Lead
• C)Mercury
• D)Cadmium

---

Definitions:

Cyclohexane

A saturated hydrocarbon with the formula C6H12, featuring a ring structure of six carbon atoms.

Axial

"Axial" refers to positions or orientations along the axis of a molecule, usually in cyclic compounds, opposed to equatorial positions which are off the axis.

Equatorial

Referring to the position of substituents in a cyclohexane ring, where they are oriented parallel to the equator of the molecule, leading to less steric strain.

DEPT-135

A specialized NMR spectroscopy technique used to differentiate between CH, CH2, and CH3 groups in molecules.