What particles contribute to the mass of an atom?

Hey guys so i need to know what is _nh3+> nh4oh ~chemistry~

Which sentence from holes contains an implied personality trait? stanley and his parents had tried to pretend that he was just going away to camp for a while, just like rich kids do. he'd just been in the wrong place at the wrong time. stanley felt somewhat dazed as the guard unlocked his handcuffs and led him off the bus. stanley nodded to show he understood

Aliquid solution can be made select all that apply. dissolving solids into liquids, mixing liquids, dissolving gas solutes into liquids , mixing gases, mixing solids