What is FALSE about nitrogen gas and carbondioxide? 1- Both are compounds

2- Both are gases

3- Elements in both substances are non-metals

4- Both are made up of atoms

What is the approximate mass of 25 cm3 of silver, if the density is 10.5 g/cm3? a. 0.42 g b. 2.4 g c. 42 g d. 260 g

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.

Which nuclide is most likely to be radioactive and synthetic 24/12 mg237/93mg195/78mg230/84mg