Which solid dissolves faster in water? sugar cube or powdered sugar

Which of the following are considered noble gases? a. bromine b. neon c. argon d. chlorine

Agroup of students were investigating the force of gravity. they began by dropping a foam ball from a height of 3 meters into a bucket of sand. the ball hit the sand in 0.306 seconds. they dropped additional balls of approximately the same diameter, but of different masses. here is the data they collected. based on this experiment and the collected data, what would their conclusion be?

If the chemical properties of a substance remain unchanged and appearance or shape of a substance changes it is called a ?