Radium-226 Decays into Radon-222 Plus an Alpha Particle

question 59

Multiple Choice

Radium-226 decays into radon-222 plus an alpha particle. How much energy is released in this process? 1 u = 931.494 MeV/c², and the relevant mass values are He: 4.002603 u
Rn: 222.017570 u
Ra: 226.025402 u

• A) 4.24 MeV
• B) 3.76 MeV
• C) 4.87 MeV
• D) 5.05 MeV
• E) 5.39 MeV

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Definitions:

Bond Amortization Schedule

A table detailing each periodic payment on a bond issue through amortization, showing the amount of interest and principal included in each payment until the bond matures.

Interest Expense

Interest expense is the cost incurred by an entity for borrowed funds, represented as a charge against earnings on the income statement.

Premium on Bonds Payable

The amount by which the proceeds from the issuance of bonds exceed their face value.

Discount on Bonds Payable

The gap between a bond's nominal value and its market price when the bond is traded at a price below its nominal value.