When an Atom of the Radioactive Carbon Isotope ¹⁴C Decays

question 188

Multiple Choice

When an atom of the radioactive carbon isotope ¹⁴C decays into ¹⁴N (nitrogen) , what happens in the nucleus of the atom?

• A) The nucleus of the carbon atom captures a nucleus of a hydrogen atom (a proton).
• B) A proton is ejected from the nucleus.
• C) A neutron becomes a proton.
• D) A neutron is ejected from the nucleus.

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Definitions:

Exploration and Evaluation

Activities related to the search for mineral resources, including minerals, oil, natural gas, and similar non-regenerative resources after the entity has obtained rights to explore in a specific area.

Extraction

The process of removing natural resources from the earth, such as mining for minerals or drilling for oil, which can have significant accounting and environmental implications.

Impairment Write-downs

Accounting adjustments made to write off the portion of an asset's carrying amount that exceeds its recoverable amount.

Cash-generating Units

The smallest identifiable group of assets that generates cash inflows largely independent of the cash inflows from other assets or groups of assets.