Atomic Structure and Properties

This AP Chemistry Unit 1 study guide covers atomic structure and properties, focusing on moles, molar mass, mass spectroscopy, elemental composition, mixtures, atomic structure, electron configurations, photoelectron spectroscopy, and periodic trends. It emphasizes key terms like Avogadro's number, isotopes, and valence electrons. The guide also includes practice problems and exam tips covering calculations, spectra interpretation, and explaining trends.