Compound that forms when selenium and oxygen combine?

How do forces between particles in gases compare to forces in the other states of matter? o a. the forces in gases are stronger than forces in solids but weaker than forces in liquids. o b. the forces in gases are weaker than forces in solids but stronger than forces in liquids. o c. the forces in gases are weaker than forces in solids and liquids. o d. the forces in gases are stronger than forces in solids and liquids. submit

How manyatoms of mercury are in 1.4214e+1 ml sample

How could a student test the effect of removing heat from a gas that is stored in a sealed container? what must occur in order for matter to change states?