Author Question: When gaseous elements combine: a. infinite amounts of each gas can combine in the same space ... (Read 137 times)

Jipu 123 · **on:** Jul 28, 2018

When gaseous elements combine:
a. infinite amounts of each gas can combine in the same space because gases are not matter.
b. very precise ratios of each gas combine to form gaseous compounds.
c. gases only combine as mixtures, not as compounds.
d. most cannot form compounds because they are already in the form of diatomic (i.e. two-atom) molecules.
e. they form compounds with unpredictable ratios of each element.

Question 2

The bolt and nut model shown in this figure represents all but which of the pairs of molecules?
a. CO and CO2
b. H2 and H2O
c. NO and NO2