Complete combustion of 4.80g of a hydrocarbon produced 15.4g of CO2 and 5.26g of H2O. What is the empirical formula for the hydrocarbon? Insert subscripts as necessary.

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.

Nuclear decay is the spontaneous decay of one element into a. an x-ray b. a ray of light c. another element

Calculate the number of grams of sodium in 3.00 g of each sodium-containing food additive.