Number that indicates how many electrons an atom must gain lose or share to become stable

A gas mixture contains 1.25 g n2 and 0.85 g o2 in a 1.55 l c ontainer at 18 °c. calculate the mole fraction and partial pressure of each component in the gas mixture.

Which material is most viscous? what are the common uses of viscous materials?

An object sliding along a horizontal table is an example of projectile motion. A. True B. False

How mu heat energy, in joules, is absorbed when 150 grams of water is warmed from 38.8°c to 96.3°c?

A single reaction where oxidation and reduction take place is called

What is the ratio of effusion rates of krypton and neon at the same temperature and pressure?

Balance the following equation _NaOH (aq) + _HNO3 (aq) > _NaNO3 (aq) + _H2O (1)

Researchers discovered a subatomic partial while working with the cathode ray tube the particle is known as

An electrochemical cell is constructed such that on one side a pure nickel electrode is in contact with a solution containing Ni2 + ions at a concentration of 2 * 10-3 M.

The lines in an element's atomic spectrum result from electron spins going in opposite directions. energy that is spread out among an atom's electrons. electrons moving from a lower to a higher energy level.