The speed of an electron is 1.68 x108 m/s. What is the wavelength?

Iknow #2 is d. i just need to know why

Each pair of clay balls represents to planetesimals if each plane test molluscum pound of the same material and is separated by the same distance which pair experiences the greatest gravitational attraction

When water dissolves sugar, which process is not involved? o dissociation o hydration o surface area of the solute increases sa