The small shock you feel when you rub your shoes on carpet and touch something metal is caused by___. A. conduction B. insulator C. induction D. current

How can plants protect themselves? They produce salicylic acid. They become acidic. They release toxins. All of the above

The elements of which group are nonreactive? halogens alkaline earth metals noble gasses alkali metals

The science of the creation of maps and charts is called

An effective collision between reactant particles requires the particles to have the proper what?

Given the balanced equation: C₃H₈ + 5O₂ → 3CO₂ + 4H₂O, what is the total number of moles of O₂ required for the complete combustion of 1.5 moles of C₃H₈?

Which statement about scientific explanations is true? A. Scientific explanations are open to change. B. Scientific explanations are never reliable. C. Scientific explanations are always correct. D. Scientific explanations are rarely proven wrong.

Which of the following might a chemist choose to study? A. Glacier movement in Alaska B. Better ways to recycle plastics C. The effects of hurricanes on turtle populations D. The vibrations in bridges caused by big trucks

How many electrons would the element calcium need to be electrically neutral?

How to convert metric units?

President Nixon promised over $3 billion in economic aid to North Vietnam after the war. a. true b. false