Answer:
Explanation:
A pure substance is made up solely of that substance and can't be separated into any other substances. A mixture can be separated into two or more pure substances
I believe Neon is closest to Magnesium on the Periodic Table of elements.
Sorry if I'm wrong, hope I could help though! :)
I mole is the answer I believe
It’s C
Cooling a liquid til it freezes will cause a liquid to turn into a solid