The smallest halogen atom is fluorine
It would probably stop moving. Earth has motion and we do do. without the world moving, there would be No wind at all.
Answer:
a pure substance consists only of one element or one compound
a mixture consists of two or more different substances, not chemically joined together.
examples:
pure substance : Hydrogen gas - Diamond - Gold metal.
mixture : water and oil - mixtures of sand and water - trail mix
Explanation: