Which symbol represents an atom in the ground state with the most stable valence electron configuration?

(1) B (3) Li

(2) O (4) Ne

Select the person responsible for the following: cotton gin

Dialysis is used to purify blood, sea water, and polluted drinking water. true or false?

How many atoms are in 159 g of calcium? 159 g =

When a solution produces equal numbers of hydrogen and hydroxyl ions, it is said to be neutral. Select one: True False

At a low temperature dry ice (solid CO2), calcium oxide, and calcium carbonate are introduced into a 50.0-L reaction chamber. The temperature is raised to 900.! C.

How the law of conservation of mass could be useful for investigating chemical changes

The law of definite composition states that every compound has a definite composition by mass. What does that mean?

Equilibrium is established in a reversible reaction when: a) the [product] = [reactants] b) rate of reaction of products = rate of reaction of reactants c) all the reactants dissolve or dissociate d) when product are no longer produced

Convert 12.0 kilograms into grams. Convert 4.3 meters into centimeters. Convert 900 milligrams into grams. Convert. 7 millimeters into centimeters.

When does carbon dioxide absorb the most heat energy