Using the Data in This Table, Calculate the Number of Half-Lives

question 87

Multiple Choice

Using the data in this table, calculate the number of half-lives that have passed for the granite (unit G on this table) ?

• A)1
• B)2
• C)3
• D)4

---

Definitions:

Achiral Molecule

A molecule that is superimposable on its mirror image, lacking chirality or a distinct handedness.

Optical Activity

The ability of a substance to rotate the plane of polarization of polarized light, a property observed in chiral molecules.

Superimposable

Describes when two objects can be placed on top of each other, matching perfectly in shape and size.

Meso Form

A type of stereoisomer with multiple chiral centers that is superimposable on its mirror image due to a plane of symmetry, rendering it achiral.