Which statement describes how the bond between two oxygen atoms is formed?

by sharing valence electrons with many other atoms

by the repulsion between ions of like charges

by the attraction of two oppositely charged ions

by sharing valence electrons between the two atoms

Which factor is likely to impact the possible number of compounds? presence of unlimited number of elements in the periodic table the inability of atoms to align perfectly with other atoms the ability of all elements to react with every other element all elements being equally reactive