BIOL 1107 Study Guide - Midterm Guide: Lone Pair, Paper Towel, Subatomic Particle
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Chapter 2: an element is made up of one type of atom and a compound is made up of different types of atoms in a fixed ratio, nitrogen. Hydrogen: the electrons don"t actually go around in a circular orbit, but rather they appear in places around the nucleus that can be predicted with probability, a. Ionic bond- an attraction between oppositely charged ions in which electrons are transferred from one atom to another. Tend to dissociate in aqueous solutions: strong covalent bonds: link atoms to form a cell"s molecules. Weak: can be easily separated and rebuilt without using up too much energy: you would put 1 mole of ethyl alcohol in 1 liter of water. Heat is thermal energy transferred between objects of different temperatures: a. Water has a higher specific heat than air. It takes a lot more energy to change the temperature of water.