I2 + Na2S2O3 → NaI + Na2S4O6 Balance the equation, if necessary.

You can determine the concentration of acids or bases in a solution by using ... A. the PH scale B. a salt C. The periodic table of elements

What is the mass number of an element that has 30 protons, 35 neutrons and 30 electrons?

Which statement describe the location of two type of subatomic particular in a helium atom

The principle that under similar pressures and temperatures, equal volumes of gases contain the same number of molecules is attributed to

The Haber-Bosch process is used to make much of the world's fertilizer. It works on the equilibrium between dihydrogen, dinitrogen and ammonia via the following equation: N2 (g) + 3H2 (g) 2NH3 (g) What needs to be done in order to push the reaction

True or False: DNA is our genetic make-up. It is why we have a certain eye color, and hair color, etc.

Which hybrid orbitals would be formed if one s orbital and three p orbitals combined?

The way light bounces off a minerals surface is describe by the minerals

Physical properties can be used to describe matter. Some properties are dependent on the amount of matter present. All BUT ONE of these physical properties changes with the amount of matter. That is A) density. B) mass. C) volume. D) weight.

Which term best describes the substances that cause oil and water molecules in salad Dressing to interact and mix? surfactants miscible liquids immiscible liquids compressed molecules