An is formed when an atom or groups of atoms has a net positive or negative charge

A solution containing 1.0 M NiCl2 and 1.0 M SnBr2 undergoes electrolysis by passing a current between two platinum electrodes. What are the most likely first products to be formed? Cl2 (aq) + 2e - → 2Cl - (aq) ℰ° = 1.

You need to produce a buffer solution that has a pH of 5.40. You already have a solution that contains 10. mmol (millimoles) of acetic acid.

How many pairs of homologous chromosomes are found in human body cells

Explain why some pesticides bioaccumulate whereas others do not

Boyle's law states that the a. volume of a gas varies inversely with pressure. b. volume of a gas varies directly with pressure. c. temperature of a gas varies inversely with pressure. d. temperature of a gas varies directly with pressure.

1. According to the article, which country may have a greater population than China by the year 2050? A. China B. Kenya C. India D. Germany 2. What does the article list as one reason that drives couples in India to have more children? A.

How are the relationships of elements in a group different from the relationships of elements in a group

How many nitrate ions are in 387.4 grams of calcium nitrate?

Tin or silver more reactive

Chemical reactions that release energy possess reactants with lower energy than their products. True or False Heat is the most common form of energy absorbed or released in chemical reactions. True or False