4. From the formula, find the percent composition of the following compounds: a) SiO2 b) H2SO4 c) Na3AlF6 d) Fe3O4 e) SO2 f) Ca(OH)2 g) C11H12N205C12

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?

The atomic number, or number, is the described as the number of in the nucleus of an chemical element.

Select all of the statements which are true. electrons are located in shells or orbits around the atom. electrons orbit slowly around the atom. electrons travel in one flat path around the nucleus of an atom. the valence of an atom is determined by the number of electrons in the atom's outermost shell.