What is the chemical name of the compound K2SO4? Use the list of polyatomic ions and the periodic table to help you answer. A. Dipotassium sulfate
B. Potassium sulfate
C. Potassium (||) sulfate
D. Potassium sulfide

Identify one disadvantage to each of the following models of electron configuration: -dot structures -arrow and line diagrams -written electron configurations type in your answer below. (answer) -dot structures do not show the distribution of electrons in orbitals and take up a lot of space. -arrow and line diagrams take up a lot of space and make it difficult to count electrons. -written configurations make it easy to lose count of electrons and do not show the distribution of electrons in orbitals.

Avariable that is not being directly tested during an experiment should be

Areaction in which products can react to re-form reactants is