The Average Atomic Weight of Copper,which Has Two Naturally Occurring

question 175

Multiple Choice

The average atomic weight of copper,which has two naturally occurring isotopes,is 63.5.One of the isotopes has an atomic weight of 62.9 amu and constitutes 69.1% of the copper isotopes.The other isotope has an abundance of 30.9%.The atomic weight (amu) of the second isotope is ________ amu.

• A)63.2
• B)63.8
• C)64.1
• D)64.8
• E)28.1

---

Definitions:

Callable Bonds

Bonds that can be redeemed by the issuer before their maturity date at a specified price.

Issuing Corporation

A company that has distributed shares to the public through an initial public offering (IPO) or other means of equity distribution.

Before Maturity

Refers to the period or action taken before a financial instrument, such as a bond or fixed-income security, reaches its maturity date or the due date for principal repayment.

Bond Premium

The amount by which the market price of a bond exceeds its face value, typically occurring when the bond's interest rate is higher than the market rate.