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- 1. Multiple Choice
A sample of iodine is easiest to ship as a powder because it is _______, making it easy to break into small pieces.
brittle
volatile
thermally insulating
- 2. Multiple Choice
Helium is less ______ than the elements that make up the air we breathe, so a balloon filled with helium will float in air.
dense
brittle
electrically insulating
- 3. Multiple Choice
Plastic is a compound of nonmetallic elements, so its _________ properties make it a popular coating for electric wires to prevent the current from escaping.
electrically insulating
brittle
dense
- 4. Multiple Choice
Which nonmetal is the most reactive out of the following: neon, selenium, fluorine.
Neon
Selenium
Fluorine
- 5. Multiple Choice
Which nonmetal is the least reactive out of the following: neon, selenium, fluorine.
Neon
Selenium
Fluorine
- 6. Multiple Choice
Choose the nonmetallic elements from the list. Check all that apply. (Hint: there are three that should be checked)
carbon
oxygen
boron
polonium
argon
- 7. Multiple Choice
Identify which elements are halogens (group 17).
Astatine (At)
Nitrogen (N)
Krypton (Kr)
Chlorine (Cl)
Sulfur (S)
- 8. Multiple Choice
Identify which elements are noble gases (group 18).
Astatine (At)
Nitrogen (N)
Krypton (Kr)
Chlorine (Cl)
Sulfur (S)
- 9. Multiple Choice
Which nonmetals have similar chemical properties (hint: groups)? Check all that apply.
sulfur
nitrogen
selenium
oxygen
carbon
- 10. Multiple Choice
Which nonmetal is the most reactive out of the following: bromine, chlorine, & iodine.
bromine
chlorine
iodine
- 11. Multiple Choice
Which nonmetal is the least reactive out of the following: bromine, chlorine, & iodine.
bromine
chlorine
iodine
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