Potassium and iodine have formed a bond. prior to this the potassium gave up an electron. it became a

positive ion

neutral atom

negative ion

shared ion

For each of the following types of reactions, write a general reaction formula in the symbolic form—for example, a + b → ab. single-displacement double-displacement synthesis decomposition

Which statement is usually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.

In which situation can a mixture always be called a solution