The elements in Group 8A of the periodic table are called noble gases. Can you suggest what "noble" means in this context?

Which of these is an example of a composite material? A. Wood planks used as beams to support roofs B. Aluminum for the outer layer of an airplane C. Fiberglass (a polymer that's is reinforced with embedded glass fibers) D.

Which of these is a baseball?

The strong forces of attraction between the positive and negative regions of molecules are called

Determine the number of an atom I'm 3.62ml of mercury. the density of mercury is 13.5 g/ml

What are two conditions atoms must have in order to form covalent bonds with one another

What feature of wetlands allows larger particles and chemicals that are adsorbed into the sediment to settle out?

Consider the balanced equation below. 8H2 + S8 - - - > 8H2S Based on the mole ratios, what can most likely be predicted? 1 mol of hydrogen will react with 1 mol of sulfur. 8 mol of hydrogen will react with 1 mol of sulfur.

How many electrons can the 7th sell hold?

The alkenes are compounds of carbon and hydrogen with the general formula cnh2n. if 0.561 gram of any alkene is burned in excess oxygen, what number of moles of h2o is formed?

Changes in color, energy, and odor are indications that a