s227852 s227852

04-11-2022
Chemistry

Answered

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.

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