Use the de broglie's wave equation to find the wavelength of an electron moving at 7.3 × 106 m/s. show your work. note: h = plank's constant (6.62607 x 10-34 j s)

An example of technology is the a. addition of a side group to an organic molecule during synthesis. b. use of a new antibiotic to fight an infection. c. measurement of iron concentration in a water sample. d. study of atomic fusion reactions

Write a net ionic equation to show that hydrofluoric acid, behaves as an acid in water.

Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 12.0 u.