PS.M.4.c. Ionic or Covalent?

Will the following pair of elements make an ionic bond, a covalent bond, or no bond? Na and O

Will the following pair of elements make an ionic bond, a covalent bond, or no bond? C and O

Will the following pair of elements make an ionic bond, a covalent bond, or no bond? C and F

Will the following pair of elements make an ionic bond, a covalent bond, or no bond? Na and Al

Will the following pair of elements make an ionic bond, a covalent bond, or no bond? N and K

Will the following pair of elements make an ionic bond, a covalent bond, or no bond? H and F

Will the following pair of elements make an ionic bond, a covalent bond, or no bond? Na and Mg

Will the following pair of elements make an ionic bond, a covalent bond, or no bond? F and Ca

Will the following pair of elements make an ionic bond, a covalent bond, or no bond? H and O

Will the following pair of elements make an ionic bond, a covalent bond, or no bond? P and Cl