Answer:
<h2>C</h2>
Explanation:
<h3>It is a colorless</h3>
I hope you help by my answee
1. I think it is true?
2. Low melting points
3. True
4. Atomic number, I think it’s periods?
5. Groups?
Sorry, I might not get all of them right :(
Hope this helps you in any way!!
At higher temperature, and lower pressure.
