a sample of hydrated chromium (lll) bromide (CrBr3) has a mass of 0.949g. After dehydration the sample has a mass of 0.692g. Which is the correct name for the hydrate?

Neils bohr believed that electrons orbited the nucleus in different energy levels, based on strong support from

An object becomes electrically charged when: electrons are created in it electrons from it are destroyed electrons are transferred to it protons from it are destroyed protons are created in it

The plant food contains nh4)3po4 what tests would you run to verify the presence of the nh4 ion and the po4 ion