The formula for a +1 ion, like K+ , and a -3 ion like N3- would be:

What does earth’s rotation on its axis cause? the tides night and day passing of years phases of the moon

Si una estrella no tiene paralaje medible, ¿qué puedes inferir?

Plz choose one of the compounds from the table and explain how you know the numbers of atoms in your formula. is it possible for two different compounds to be made from the exact same two elements? why or why not? with a limited number of elements (less than 120 are known), does this mean we also have a small number of compounds or do we have a large number of compounds in this world?