A student does not observe a change when holding a test tube in a flame. However, a change is expected. What is the most likely reason for this?

Is frictional force desirable?

All of the elements in the periodic table have just recently been discovered. a. True b. False

Is iron a compound yes or no

What geological forces might be responsible for this range of mountains?

An example of a scientific law is the law of conservation of mass, which states that matter is neither created nor destroyed in a chemical reaction.

What are the three types of nuclear radiation? alpha particles, beta particles, and gamma rays alpha particles, beta rays, and gamma rays alpha rays, beta particles, and gamma rays alpha rays, beta rays, and gamma particles

Why does stirring increase the speed of solute dissolving in water? A) it decreases the surface area of the solute particles.

What happens when you add more glue to slime?

What is the mass of 6.5x10^15 atoms of Ni

If you dissolve sugar into water in a small jar, will the result be a mixture, a solution or both? Explain.