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Questions and Answers
Why is oxygen sometimes treated separately from the other chalcogens?
Why is oxygen sometimes treated separately from the other chalcogens?
- Due to its radioactive properties
- Because it is a noble gas
- Due to its very different chemical behavior from sulfur, selenium, tellurium, and polonium (correct)
- Because it has a higher atomic number
How many valence electrons do all of the chalcogens have?
How many valence electrons do all of the chalcogens have?
- 8
- 4
- 6 (correct)
- 2
Which chemical elements are part of the chalcogens group?
Which chemical elements are part of the chalcogens group?
- Nitrogen, oxygen, fluorine, neon, sodium, and magnesium
- Oxygen, sulfur, selenium, tellurium, polonium, and livermorium (correct)
- Aluminum, silicon, phosphorus, sulfur, chlorine, and argon
- Hydrogen, helium, lithium, beryllium, boron, and carbon
What is the derivation of the word 'chalcogen'?
What is the derivation of the word 'chalcogen'?
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Which chalcogen elements are typically nontoxic in their elemental form and essential to most life forms?
Which chalcogen elements are typically nontoxic in their elemental form and essential to most life forms?
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