Question

When sodium atoms (Na) and chlorine atoms (Cl) join to make sodium chloride, or table salt, they form an ionic bond. Using this information, which pair of elements is most likely to form an ionic bond?

potassium (K) and fluorine (F)
aluminum (Al) and aluminum (Al)
sulfur (S) and oxygen (O)
calcium (Ca) and neon (Ne)

boron (B)
neon (Ne)
rubidium (Rb)
arsenic (As)

Answer 1

in sulpher I think sulpher oxide

Answer 2

Answer:

Explanation

potassium fluoride.

Explanation: Ionic bond means should have electonegativity difference between 1.7-1.9. And We know that Flourine is the most electronegative element in the periodic table