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

Which describes interactions between substances and stomata during photosynthesis? check all that apply. oxygen enters stomata. oxygen is released through stomata. carbon dioxide enters stomata. carbon dioxide is released through stomata. hydrogen enters stomata. hydrogen is released through stomata.

Can someone me with these questions plz.

According to the vsepr theory what is the shape of a molecule that has a central atom valence three other items with no lone pairs of electrons