Answer:
A. Their numbers of atoms
Explanation:
<span>Saturated hydrocarbons are organic compounds that contain only single bonds between the carbon atoms. They are known to be the simplest organic compounds. They are termed as such because they are saturated with water. Examples are the alkanes (ethane, methane, propane, butane, etc.).</span>
I’m not sure what you’re asking but- halogens are among the most active nonmetals due to their electron configuration and number of valence electrons.