Good morning,

I would like to ask some questions.
1. Is KNO subscript 3 named potassium nitrate

2. Is NaOH named sodium Hydroxide

3. Cu(No subscript 3) subscript 2 named Copper(II) nitrate

4. PCl subscript 3 named phosphate trichloride

5. Can you help me create chemical formulas

4. Phosphrous(3) chloride
or acceptable, phosphoros trichloride.

http://fsc.fernbank.edu/chemistry/nomen.html

click on the link at the bottom for practice.

What about the rest of them are they correct

I think you didn't type all of #3. I assume you intended to write Cu(NO3)2

Good morning!

1. Yes, KNO3 is named potassium nitrate. To determine the name, you can break down the compound into its individual ions: K^+ and NO3^-. The name is then derived by combining the name of the cation (potassium) and the name of the anion (nitrate).

2. Yes, NaOH is indeed named sodium hydroxide. Similarly, you can break down the compound into its ions: Na^+ and OH^-. The name is formed by combining the name of the cation (sodium) and the name of the anion (hydroxide).

3. Cu(NO3)2 is correctly named copper(II) nitrate. In this compound, Cu^2+ represents the cation, and NO3^- represents the anion. The Roman numeral (II) in parentheses indicates the charge of the copper ion.

4. PCl3 is named phosphorus trichloride or phosphorous(III) chloride. The compound consists of the phosphorus atom and three chlorine atoms. The prefix 'tri-' denotes three chlorine atoms, and the prefix 'phosphorous' or the Roman numeral (III) in parentheses indicates the oxidation state of phosphorus.

For creating chemical formulas, what specific compounds would you like assistance with? Please provide the element symbols or names so I can guide you accordingly.

Regarding the link you mentioned, it seems to be a helpful resource for practicing naming chemical compounds. Feel free to click on it and explore the provided exercises for further practice.