Aspecific amount of energy is emitted when excited electrons in an atom in a sample of an element return to the ground state. this emitted energy can be used to determine the a) mass of the sample b) volume of the sample c) identity of the element d) number of moles of the element

Which of these properties, used alone, would be least useful in identifying most minerals? a. color b. luster c. streak d. density

George is a dalmatian puppy. describe what happens to light that allows you to see george’s black and white coat.

Which of the following is the correct definition of chemical energy? a. energy an object has because of its motion or position b. energy resulting from the flow of charged particles, such as electrons or ions c. energy produced from the splitting of atoms d. energy stored in chemical bonds of molecules