General Chemistry Exam 3 Review With 100% Correct Answers 2023

General Chemistry Exam 3 Review With 100% Correct Answers 2023 Electromagnetic radiation Type of energy embodied in oscillating electric and magnetic fields. Light is electromagnetic radiation Amplitude Vertical height of a crest of a wave Wavelength the distance between adjacent crests of a wave Frequency number of cycles that pass through a stationary point in a given period of time Low energy to High energy Radio, Microwave, Infrared, Visible light, Ultraviolet, X-ray, Gamma ray Rainbow (red-violet) High wavelength-Low wavelength Low frequency to High frequency Wave nature of light=characterized by... Wavelength and ability to experience interference (constructive or destructive) and diffraction Particle nature of light=characterized by... Specific quantity of energy carried in each photon Constructive Interference If two waves are of equal amplitude and are in phase (align with overlapping crests), it results in a wave with twice the amplitude Destructive Interference If two waves are completely out of phase (crest overlaps with trough), they cancel each other out Diffraction When a wave encounters an obstacle, it bends around it Photoelectric effect Observation that many metals emit electrons when light shines upon them Heisenberg's Uncertainty Principle The more accurately you know the position of an electron, the less accurately you know its velocity (and vice versa) Indeterminacy Inability to predict the trajectory for an electron Orbitals and Energy gain/loss Gain photon=to difference in energy between 2 orbitals: Electron moves to higher energy orbital Lose photon=to difference in energy between 2 orbitals: Electron moves to lower energy orbital Can't be in between orbitals Principle Quantum Number (n) Determines the energy of the electron and the size of the orbital possible values: positive integers