Calculate the Number of Americium-241 Atoms Present in a Smoke $\mu$

question 74

Multiple Choice

Calculate the number of americium-241 atoms present in a smoke alarm containing 0.30 $\mu$ g of radioactive ²⁴¹Am (241.06 g/mol) .

• A)7.5 \(\times\) 10¹⁴ atoms
• B)1.8 \(\times\) 10¹⁷ atoms
• C)2.5 \(\times\) 10²¹ atoms
• D)6.0 \(\times\) 10²³ atoms
• E)1.4 \(\times\) 10⁵ atoms

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Definitions:

Neurotransmitters

Chemical messengers that transmit signals across the synapse from one neuron to another, influencing various functions and processes within the body and brain.

L-Dopa

A precursor to dopamine used in the treatment of Parkinson's disease and dopamine-responsive dystonias, as it is capable of crossing the blood-brain barrier.

Parkinson Disease

Parkinson's Disease is a neurodegenerative disorder characterized by motor symptoms such as tremor, rigidity, and bradykinesia, due to the loss of dopamine-producing neurons.

Synapses

Synapses are the junctions through which neurons signal to each other or to non-neuronal cells, allowing for the transmission of electrical or chemical signals across the nervous system.