How Many ¹⁴C Atoms Are in a Charcoal Sample That

question 52

Multiple Choice

How many ¹⁴C atoms are in a charcoal sample that has a decay rate of 3500 disintegrations per min? (For ¹⁴C, t_1/2 = 5730 yr.)

• A) 2.9 × 10⁷ atoms
• B) 8.0 × 10^-7 atoms
• C) 1.4 × 10¹⁴ atoms
• D) 1.5 × 10¹³ atoms
• E) 6.02 × 10²⁰ atoms

---

Definitions:

Epilepsy

A neurological disorder characterized by recurrent, unprovoked seizures due to sudden electrical disturbances in the brain.

Aggressive Behavior

Actions or behaviors that are hostile, destructive, or violent towards others or oneself.

Braille

A tactile writing system used by people who are visually impaired, consisting of raised dots that represent letters, numbers, and punctuation marks.

Occipital Lobe

Situated in the rear part of the brain, this segment of the cerebral cortex is in charge of interpreting visual inputs.