When an electron beam strikes a block of copper, X-rays of frequency 1.07 X 10^19 Hz are emitted. What is the wavelength of these x-rays? Answer in units of nm.

Describing intermolecular forces use the drop down menus to match the type of intermolecular force to its name dipole dipole interactions dipole induced dipole interactions london dispersion forces hydrogen bond van der waals forces done

Amixture with the same composition throughout is!

An object displaces 652 ml of water. the volume of the object is: 0.652 cm³ 6.52 cm³ 65.2 cm³ 652 cm³