7. The lowest whole-number ratio of the elements in a compound is called the O empirical formula
O binary formula
O molecular formula
O representative formula

Nuclear fusion is the source of energy for stars. besides hydrogen, which other element is most likely also common in stars?

Which theory was contradicted by experiments with the photoelectric effect? light spreads out after it passes through a small opening. as soon as light strikes metal, electrons will be ejected. visible light, regardless of color, will cause the ejection of electrons when striking metal. the kinetic energy of ejected electrons depends on the frequency of light that strikes the metal.

Draw the lewis structure for the trisulfur s3 molecule. be sure to include all resonance structures that satisfy the octet rule.