What Is the Ion Symbol for an Atom with Twenty

question 34

Multiple Choice

What is the ion symbol for an atom with twenty (20) protons and eighteen (18) electrons?

• A)Ca
• B)Ca²⁺
• C)Ar
• D)Ar²⁺
• E)Ar^2-

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Definitions:

Yield

The income return on an investment, such as the interest or dividends received, expressed as an annual percentage of the investment's cost or current market value.

Zero-coupon Bond

A bond that does not pay periodic interest and is sold at a discount to its face value, with the full face value repaid at maturity.

Par Value

The nominal or face value of a bond, share of stock, or other financial instrument, as stated by the issuer.

Forward Interest Rate

Rate of interest for a future period that would equate the total return of a long-term bond with that of a strategy of rolling over shorter-term bonds.