Please help me ASAP Which of the following pairs of atoms is most likely to form an ionic bond?

lithium and sodium
sodium and neon
sulfur and oxygen
lithium and sulfur

13. a covalent bond between two atoms is likely to be polar if: a. one of the atoms is much more electronegative than the other. b. the two atoms are equally electronegative. c. the two atoms are of the same element. d. the bond is part of a tetrahedrally shaped molecule. e. one atom is an anion.

What is the energy in joules of a mole of photons associated with visible light of wavelength 486 nm?

Which organism develops breathing organism develops breathing organs from pharyngeal arches? shark, spider, sea star, sea horse