Most likely White or another color that appears "bright" to us, such as gold, silver, yellow, pink, or sometimes green. Hope it helped!
It would most likely be a observation or hypothesis
A nonmetal and a nonmetal will make molecular compounds like H2O and CO2
Explanation:
Chemical compound, any substance composed of identical molecules consisting of atoms of two or more chemical elements. ... The fundamental principle of the science of chemistry is that the atoms of different elements can combine with one another to form chemical compounds.