How do I name the following-

C3H8? (the numbers are supposed to be subscripts)
KCl?

C3H8 probably is propane.

KCl is potassium chloride

To name chemical compounds like C3H8 and KCl, you will need to follow some basic naming rules for each type of compound.

For C3H8:
1. C3H8 represents a hydrocarbon compound, specifically a type of alkane known as propane.
2. The prefix "pro-" indicates that there are three carbon atoms in the compound.
3. The suffix "-ane" signifies that it is an alkane, which is a hydrocarbon with only single bonds between carbon atoms.
Putting it together, you can name C3H8 as "propane."

For KCl:
1. KCl represents an ionic compound formed between a metal (K) and a non-metal (Cl).
2. The metal in this case is potassium (K), while the non-metal is chlorine (Cl).
3. To name ionic compounds, you need to indicate the positive and negative ions present.
4. In this case, potassium forms a positive ion (cation) with a charge of +1, commonly known as a potassium ion (K+).
5. Chlorine forms a negative ion (anion) with a charge of -1, commonly known as a chloride ion (Cl-).
6. To name the compound, simply combine the names of the ions. Therefore, KCl is named "potassium chloride."

By following these rules, you can properly name chemical compounds. Remember to consider the type of compound, its components, and the charges associated with each element or ion.