Which particles in an atom can increase or decrease in number without changing the identify of the elements?

What is the process in which two atomic nuclei combine to form a larger nucleus releasing huge amounts of energy

Which of the following processes is exothermic? a. The reaction associated with DH°f for an ionic compound the ionization of a lithium atom. b. The sublimation of dry ice (CO2 (s)) c. The breaking of a Cl-Cl bond d.

How does thermal energy naturally move between objects?

An occuled front moves over farmland that has been experiencing drought conditions. What change in weather likely bring? A. more dry air and snunny skys B. violent, short-lived thunderstorms C. an extented period of rain D. gray skies, but no rain

If a neutral atom gains electrons, what type of particle is formed?

Based on what you know about matter, explain why the food coloring mixes at different rates

What does the variable A stand for in the Arrhenius equation? A. activation energy B. frequency factor C. rate constant D. reactant concentration

Name 3 sets of elements that have been added to the periodic table since mendeleev's time

What is the rate law for step 2 of this reaction? Express your answer in standard MasteringChemistry notation. For example, if the rate law is k[A][C]3 type k*[A]*[C]^3.

How does mass defect relate to nuclear binding energy