Which of the following are quantized? A) canned soup from the grocery store b) the weight of jelly beans c) elevation of a person on a ramp

The identity of an element depends on the number of O electrons in the atom. O protons and neutrons in the nucleus. O protons in the atom. O neutrons in the atom.

A spherical balloon contains a positively charged object at its center. as the balloon is inflated to a greater volume while the charged object remains at the center, what does the electric potential at the surface of the balloon do?

Which of these properties is a physical property of aluminum? A.) Aluminum rusts when it is exposed to moisture and air. B.) Aluminum is a good conductor of heat. C.) Aluminum reacts with oxygen to form aluminum oxide. D.

Which of the following statements does not accurately describe Precambrian Earth? A. The atmosphere was similar to that of early Mars and Venus. B. The oceans were chemically different from modern oceans. C.

A chemist reacts H2 with excess N2. The reaction yields 60 grams of NH3. however, you calculaye you should have recovered 80 grams of NH3. What is the percent yield of the reaction?

Dalton's atomic theory

Describe how food is digested and absorbed

If a solution A has twice as much solute as solution B. Is it possible for the solutions to have the same concentration?

Chris is studying oxidation and reduction reactions. Which of the following could she use as an example of an oxidation reaction?

In a short circuit as the resistance decreases what happens to the current?