Respuesta :
Answer:
Q and R are most likely to form an ionic bond.
Explanation:
Ionic bond is formed between two elements which have huge difference in their electronegativities.
┬а ┬а ┬аAccording to the given question the electronegativity difference of QR is greater than that of PQ, RS and SP.
┬а ┬аFrom this point of view it can be stated that Q and R are most likely to form an ionic bond.