Elements in Groups IA and VIIA of the Periodic Table

question 30

Multiple Choice

Elements in groups IA and VIIA of the periodic table possess, respectively, how many valence electrons?

• A) 1 and 1
• B) 1 and 7
• C) 7 and 1
• D) 8 and 8

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Definitions:

Standard Deviation

A measure of the amount of variation or dispersion of a set of values, representing how spread out the values are from the mean.

Sample Means

The average values calculated from samples drawn from a population; used in inferential statistics as estimates of the population mean.

Population Mean

The average value of a characteristic in the entire population being studied.

Standard Deviation

A metric indicating the extent of difference or scattering among a series of figures.