Section 1 1) How do the wave and particle natures of light compare?

2) How is quantum of energy related to an energy change of matter?

3 )How do continuous electromagnetic spectra and atomic emission spectra compare and contrast?

section 2

4) How do the Bohr and quantum mechanical models of the atom compare?

5) What is the impact of de Broglie’s wave-particle and Heisenberg uncertainty principle on the current view of electrons in atoms?

section 3

6) How are the Puali exclusion principle, the aufbau principle, and Hund’s rule used to write electron configurations?

7) How do electron-dot structures represent an atom’s valence electrons?

Astudent is given a sample of a blue copper sulfate hydrate. he weighs the sample in a dry covered porcelain crucible and got a mass of 23.875 g for the crucible, lid, and sample. the mass of the empty crucible and lid was found earlier to be 22.652 g. he then heats the crucible to expel the water of hydration, keeping the crucible at red heat for 10 minutes with the lid slightly ajar. on colling, he finds the mass of crucible, lid, and contents to be 23.403 g. the sample was changed in the process to very light clue anhydrous cuso4. if there are again 100.0 g of hydrate, how many grams of cuso4 are in it? how many moles of cuso4? (hint: molar mass of cuso4 = 159.6 g / mole. what per cent of the hydrate is cuso4? you may convert the mass of cuso4 to moles.)

Describe at least two advantages and two disadvantages of using hydropower as a source of energy.

Salt in oceans comes from and of rocks