In a collision, a 15 kg object moving with a velocity of 3 m/s transfers all of its momentum to a 5 kg object. what would be the velocity of the 5 kg object after the collision? (Hint: Think about the Law of Conservation of Momentum.)

The difference between the atomic number of an element and the element’s atomic mass is the number of ions.

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.

Find the number of grams of hcl needed to react completely with .50 moles of magnesium.