Question

question 8 - 1 point
which pair of elements will form an ionic compound?
select the correct answer below:
c and s
c and o
o and h
na and f

Explanation:

Step1: Recall ionic compound formation

Ionic compounds form between a metal and a non - metal.

Step2: Analyze each option

• A. C and S are both non - metals. They form covalent compounds.
• B. C and O are both non - metals. They form covalent compounds.
• C. O and H are both non - metals. They form covalent compounds (e.g., water, $H_2O$).
• D. Na is a metal and F is a non - metal. They will form an ionic compound, sodium fluoride (NaF).

Answer:

D. Na and F