explain why some metals are found to occur freely in nature while other occur only as compound with example of each types of metals

State five different methods of changing the rate of a reaction

A single electron can have the following set of quantum numbers: n=3, l=2, ml=0, ms = - 1/2. True or False

39 is two fifths of what number

what is the name of the process that plants use to remove carbon from the atmosphere

View Available Hint (s) Check all that apply. Hydrogen bonding occurs when a hydrogen atom is covalently bonded to an NN, OO, or FF atom. The CH4CH4 molecule exhibits hydrogen bonding.

Who determined that the elements needed to be arranged by atomic number instead of atomic mass?

How many molecules are in 4.50 moles of water

N aqueous solution of sodium hydroxide is standardized by titration with a 0.154 m solution of hydrochloric acid. if 17.5 ml of base are required to neutralize 17.6 ml of the acid, what is the molarity of the sodium hydroxide solution?

Consider the positions of barium (Ba), sulfur (S), silicon (Si), and calcium (Ca) on the periodic table. The atoms of which element require the least amount of energy to give up an electron when forming chemical bonds?

what is way to find the numbers of liters in 8 kilometers? (A.) Add 5,000 and 3, because you are adding 3 kiloliters to 5,000 liters. (B.) Multiply 8 by 3,000, because each kiloliter has 3,000 liters. (C.