Noble gases 1. behave as metals when they react. 2. are also transition elements. 3. do not react under normal conditions. 4. behave as metalloids when they react.

The number of moles of a given mass of a substance can be found without knowing its molecular formula or molar mass. true false

Which sample at stp has the same number of atoms as 18 liters of ne at stp

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.