What chemical property distinguishes a metal from a nonmetal?

Which molecule contains the largest number of oxygen atoms? a. BeSO3 b. Ba (OH) 2 c. NaOH d. Al2 (SO4) 3

What is genes? & how are their identified when doing a dna test?

What gas solutions are NOT possible? Why are they not possible?

Calculate [H+] for each of the following solutions, and indicate whether the solution is acidic, basic, or neutral. Part A [OH-] = 4.5*10-4 M. Express your answer using two significant figures.

Calculate the molarity if 4.5 moles of sodium chloride is dissolved to make 0.15 liters of solution

Rank the species (amide ion, ammonia, or ammonium ion) from the largest to the smallest H-N-HH-N-H bond angle? Rank from largest to smallest H-N-HH-N-H bond angle. To rank items as equivalent, overlap them.

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.