EVR 1001 Lecture Notes - Lecture 2: Isotopic Signature, Capillary Action, Paper Towel

• School: UCF
• Department: Environmental Sciences
• Course: EVR 1001
• Professor: Patrick Bohlen

Document Summary

Matter: anything that occupies space and has mass. It is the stuff" that makes up the universe. Mass: a measure of the amount of matter an object contains (neutrons + protons) Weight: the force that results from the action of gravity on mass. Tophat. com: mass number of an element refers to the number of protons + neutrons. Molecule = a particle with more than one atom. Compound = molecule that contains more than one element. Isotopes: atoms of the same element that have different numbers of neutrons in the nucleus. Isotopic signature: ratio of different isotopes in a substance. Radioactive decay: the spontaneous release of material from the nucleus of an unstable isotope. Time it takes for one-half of the original radioactive parent atoms to decay. Covalent bonds: elements that form compounds by sharing electrons. Ionic bonds: elements that form compounds by transferring electrons from one element to another.