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Multiple Choice
Which of the following elements is found in the noble gas group (Group 18) of the periodic table?
A
Oxygen (O)
B
Neon (Ne)
C
Sodium (Na)
D
Chlorine (Cl)
Verified step by step guidance
1
Understand that the noble gases are elements located in Group 18 of the periodic table, known for their full valence electron shells and low reactivity.
Recall the common elements in Group 18: Helium (He), Neon (Ne), Argon (Ar), Krypton (Kr), Xenon (Xe), and Radon (Rn).
Examine each given element and identify its group: Oxygen (O) is in Group 16, Sodium (Na) is in Group 1, Chlorine (Cl) is in Group 17, and Neon (Ne) is in Group 18.
Recognize that Neon (Ne) is the only element among the options that belongs to the noble gas group (Group 18).
Conclude that Neon (Ne) is the correct answer because it is a noble gas with a complete outer electron shell, making it chemically inert.