3) A standard mass of 250.0 g was placed on a balance. The balance said it had a mass of 243.9 grams. What is the balance's percent error?
[2.4%]

Nuclear fusion is the source of energy for stars. besides hydrogen, which other element is most likely also common in stars?

If you add 10ml of hot water to 10ml of cold water and the change in tempature 8°c calculate how much energy is gained by the cold water

Which statement correctly describes metallic bonds? a. they form when certain atoms lose electrons and other atoms gain electrons. b. they involve an attraction between anions and cations. they always involvpoth a metal and a nonmetal. d. they can only form between atoms of the same element. e. they form because electrons can move freely between atoms.