Elements that can be described by the hardness shininess and ductility

Type the letter that represents the correct location for each particle type below.

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)

Select the correct answer. wax is a nonpolar substance. in which type of substance is it most soluble?