What happens to the wavelength as frequency increases

Which of the following is always a reactant in a combustion reaction? oxygen nitrogen hydrogen carbon

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.

How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?