What differs between a radioactive isotope and a stable isotope? A. stable isotopes are shorter B. radioactive isotopes last longer C. radioactive isotopes last for less time d. there is no diffrence

Find change H for the reaction as it occurred in the calorimeter.

Which kind of wave increases in height due to strong winds?

Chemical reactions will occur if the products are less stable than the reactants. true or false

How can ionic compounds be neutral?

Which of the following statements best describes the relationship between elements and compounds? A. The properties of compounds always resemble the properties of the elements of which they are made. B.

Which of the following statements is true? A. Particles of a solid have a very orderly, three dimensional arrangement and do not move B. Particles of a liquid change shape and volume C.

How does hess's law use intermediate reactions to calculate the enthalpy of a desired reaction?

Which atomic particle dtermines the chemical behaviour of an atom?

If you could travel to the Sun and back, about how far would you travel? A. 1 AU B. 2 AU C. 5 AU D. 10 AU

A scientist is conducting a descriptive experiment where she is monitoring sea level along coastal towns in California. What is a major benefit of this experiment? The relationship shows cause and effect. It is repeatable.