Why did rutherford conclude from his gold foil experiment that an atom is mostly comprised of empty space?

Which is a true statement? A) A colloidal system does not exhibit the Tyndall effect. B) Particles can be filtered from a suspension. C) The particles in a colloidal system are affected by gravity. D) A solution is heterogeneous.

The following reactions take place in the ozone layer by the absorption of ultraviolet light. A. O3 → O2 + O• B. O2 → O• + O• Which of the reactions, A or B, requires a shorter wavelength of light?

Angle of incidence and refraction for air at 0 degrees?

Assume that an oil slick consists of a single layer of molecules and that each molecule occupies a cube 0.488 nm on a side. determine the area of an oil slick formed by 0.708 m3 of oil. answer in units of m2.

How many Al atoms in the formula: 2 Al2 (CO3) 3 2 4 6 12

Write a chemical equation for solid cadmium hydrogen carbonate decomposes to yield solid cadmium carbonate, water and carbon dioxide gas

The volume of 1 mole of o2 gas at T=273k P=1atm is? A 6.02 x 10^-23 ml B 760 L C 22.4 L D 2.24 L E 224 L

What is one way to tell that a solid has formed a solution with water?

The terms vitrification, oxidation, water smoking, and flashing are all associated with: Select one: Select one: a. spanning openings with bricks or other masonry units. b. cleaning bricks after masons install them. c.

In the reaction Mg+Cl2=MgCl2 what should be the coefficient for Cl2