What is the oxidation number of b in h3bo3?

How many ions that have a +1 charge will bond with an ion that has a -2 charge

The diagrams show objects’ gravitational pull toward each other. which statement describes the relationship between diagram x and y? gravity attracts only larger objects toward one another. gravity attracts larger objects only if they are close to one another. if the masses of the objects increase, then the force between them also increases. if distance between the objects increases, then the amount of force also increases.

Label a-f based on the table using c for concentrated and d for dilute