Multiple Choice
Which group of elements on the periodic table shares characteristics with both metals and nonmetals?
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Periodic Table: Group Names
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Which pair of properties best describes the elements in group 18 of the periodic table?
A
Chemically inert and gases at room temperature
B
Highly reactive and solid at room temperature
C
Form colored compounds and have variable oxidation states
D
Good conductors of electricity and form basic oxides
Verified step by step guidance1
Identify the group number and position of the elements in question: Group 18 of the periodic table is known as the noble gases group.
Recall the general properties of noble gases: They are known for their lack of chemical reactivity due to having a full valence electron shell, making them chemically inert or very unreactive.
Consider the physical state of these elements at room temperature: Most noble gases exist as gases under standard conditions (room temperature and atmospheric pressure).
Evaluate the given options against these known properties: Noble gases are chemically inert and gases at room temperature, which matches the first option.
Confirm that other options do not fit: Noble gases are not highly reactive solids, do not typically form colored compounds or variable oxidation states, and are poor conductors of electricity and do not form basic oxides.
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