BIOL 1110 Chapter Notes - Chapter 2: Chemical Polarity, Covalent Bond, Ice Crystals
Document Summary
Biol 1000 chapter 2: the chemistry of life. Matter any material that takes up space, such as organisms, rocks, the oceans, and gases in the atmosphere: elements are fundamental types of matter. Element a pure substance that cannot be broken down by chemical means into other substances. Periodic table the chart used to organize and categorize elements. Bulk elements are required in the largest amounts because they make up the vast majority of every living cell. Minerals are essential elements other than bulk elements. Trace elements are required in small amounts: atoms are particles of elements. Atom the smallest possible piece" of an element that retains the characteristics of the element. Electrons are in constant motion, which is why objects feel solid to us. Appears above each element"s symbol in the periodic table. When the number of protons = the number of neutrons, the atom is neutral.
