An Atom Has Four Electrons in Its Valence Shell

question 20

Multiple Choice

An atom has four electrons in its valence shell.What types of covalent bonds is it capable of forming?

• A)single,double,or triple
• B)single and double only
• C)four single bonds only
• D)two double bonds only

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Definitions:

Lowest 9%

Indicates the minimum value or percentile, possibly in a collection of data or measurements, standing at 9%.

Z > -1.82

A condition referring to the area under the normal distribution curve to the right of Z = -1.82, indicating values above this Z-score.

Median Score

The middle value in a data set when the values are arranged in ascending or descending order, effectively splitting the dataset into two halves.

Boxplot

A graphical representation of data that shows the distribution's five key summary points: minimum, first quartile, median, third quartile, and maximum.