What happens when additional electrons were placed in the atom?

Your friend offers to show you an intrusive igneous rock. which of the following would you expect to see?

Light waves travel than sound waves.

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.