Directions
Read the following questions. Choose the right answer.
There is only ONE correct answer to each question.
When potassium (₁₉K) reacts with fluorine (₉F), the type of bond formed is:
- polar covalent
- ionic
- covalent
- nonpolar covalent
Show answer
Correct answer: B. ionic
Why
Potassium (a metal, low electronegativity) reacting with fluorine (a nonmetal, very high electronegativity) transfers electrons, forming an ionic bond.
