A sample of iodine is easiest to ship as a powder because it is [___], making it easy to break into small pieces.
Helium is less [___] than the elements that make up the air we breathe, so a balloon filled with helium will float in air.
Plastic is a compound of nonmetallic elements, so its [___] properties make it a popular coating for electric wires to prevent the current from escaping.
Chlorine (Cl): [___]
Sulfur (S): [___]
Rank the nonmetals in each set from most reactive (1) to least reactive (3).
Choose the nonmetallic elements from the list. Check all that apply.yttriumoxygenboronpoloniumargongalliumcarbon
Astatine (At): [___]
Which nonmetals have similar chemical properties? Check all that apply.sulfurnitrogenseleniumoxygencarbonfluorine
Bromine: [___]
2
Identify whether each element is a halogen, a noble gas, or nonmetal only.
Nitrogen (N): [___]
Krypton (Kr): [___]
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