Chemical equation for Mercury and oxygen react to yield mercuric oxide.

Elements in group 2 are all called alkaline earth metals. what is most similar about the alkaline earth metals?

Structure of the atoms: discovery of the nucleus in 1909i need answering all of these questions

Which of the following warnings would an agricultural chemist tell a farmer who wants to recycle his or her own ammonia? recycling ammonia is a difficult process that sometimes takes weeks. recycling ammonia requires a degree in biochemistry or a related field. recycling ammonia can be harmful because it is highly flammable and toxic. recycling ammonia costs too much money considering the price of the necessary chemicals.