Multiple Choice
The elements least likely to form bonds are found in which group of the periodic table?
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Periodic Table: Group Names
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An element with the valence electron configuration 6s^2 6p^6 belongs to which period and group on the periodic table?
A
Period 6, Group 18 (Noble gases)
B
Period 6, Group 16 (Chalcogens)
C
Period 5, Group 18 (Noble gases)
D
Period 6, Group 2 (Alkaline earth metals)
Verified step by step guidance1
Identify the highest principal quantum number (n) in the given valence electron configuration. Here, the highest n is 6, which indicates the element is in Period 6 of the periodic table.
Analyze the valence electron configuration 6s^2 6p^6. The s subshell has 2 electrons and the p subshell has 6 electrons, making a total of 8 valence electrons in the outermost shell.
Recall that elements with a full s and p subshell in their valence shell (s^2 p^6) are noble gases, which belong to Group 18 on the periodic table.
Combine the period and group information: since the element is in Period 6 and has a full s and p valence shell, it belongs to Period 6, Group 18.
Confirm that this matches the noble gases in Period 6, such as Radon (Rn), which has the electron configuration ending in 6s^2 6p^6.
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