For Sodium to Transform from a Neutral Atom to a Positive

question 56

Multiple Choice

For sodium to transform from a neutral atom to a positive ion,it must:

• A) gain an electron.
• B) gain a proton.
• C) lose an electron.
• D) lose a proton.

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Definitions:

Covariances

Covariance is a measure used in statistics to determine how much two random variables vary together.

Portfolio Variance

A measurement of the dispersion of returns of a portfolio, indicating the degree of investment risk.

Risky Securities

Financial instruments that carry a higher degree of uncertainty and a higher risk of loss, such as stocks.

Weighted Sum

A calculation that takes various quantities into account, multiplying each by a factor that reflects its importance and then adding these products together.