Describe the trend that appears when moving down a grouping of elements on the periodic table in regards to the orbitals in each elements atomic structure.

In water, a strong acid will break down into its component parts. a. completely b. partly c. never in water, a weak base will break down into its component parts. a. completely b. partly c. never

The identities of substances are the same before and after which type of change

Which type of intermolecular attractions holds ammonia molecules together with other ammonia molecules?