Two atoms have two different proton counts. This means that the atoms a. belong to two entirely different elements.

Selected:b. represent different isotopes of one element. This answer is incorrect.

c. are likely to react violently with each other.

d. might be different ions of the same elements.

Ageologist determines that a sample of a mineral cant be scratched by a steel nail but can be scratched by a masonry drill bit based on this information the sample mineral has to be softer than

Of seawater increases with decrease in the temperature. therefore, the cold water sinks to the deeper layers at the bottom

According the inverse square law, doubling the distance from the source of the sound, a speaker, for example, will drop the sound 6 db each time. if you were standing in the back of an auditorium, 32 feet away from a speaker not using any amplification, would you be able to hear a speaker clearly? why or why not?