Asked by marisol
Which of the following elements is not metal?
a. Magnesium (12) b. Tungsten (74) c. Lithium (3) d. Krypton (36)
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GPT-5 mini
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d. Krypton (36)
Krypton is a noble gas (a nonmetal). Magnesium, tungsten and lithium are metals (alkaline earth, transition, and alkali metal, respectively).
Krypton is a noble gas (a nonmetal). Magnesium, tungsten and lithium are metals (alkaline earth, transition, and alkali metal, respectively).
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