Write the complete chemical symbol for the neutral element that contains 7 electrons, and 9 neutrons.

Determine the empirical formula of a compound containing 40.6 grams of carbon, 5.1 grams of hydrogen, and 54.2 grams of oxygen. in an experiment, the molar mass of the compound was determined to be 118.084 g/mol. what is the molecular formula of the compound? for both questions, show your work or explain how you determined the formulas by giving specific values used in calculations.

In a copper wire, a temperature increase is the result of which of the following

Fossil fuels are organic compounds that are made from