Solid sodium hydroxide (NaOH) is an example of a/an Question 19 options: A) anhydrous base. B) anhydrous acid. C) common over-the-counter antacid. D) proton donator.

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

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.

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins