BIOL 1103 Chapter Notes - Chapter 1-2: Hydrogen Bond, Ionic Bonding, Electronegativity
30 Dec 2015
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Document Summary
Science is a body of knowledge of natural world theory is a general set of principles supported by evidence observation question hypothesis experiment conclusion biology - study of life. Highly organized atoms - building blocks of matter molecules- combination of atoms organelles - formed from molecules (tiny organism) tissues - collection of cells that serve a common function. Life sciences - set of disciplines that focus on varying aspects of the living world. Gradual modification of populations of living things over time. Matter is anything that takes up space and has mass. Atoms have protons (+), neutrons (0), electrons (-) Atomic number - definition of the element assigned by number of protons. Isotopes - different number of protons than neutrons. Ex. carbon = 6 protons 8 neutrons. Electrons are important because they combine elements using the atom using the atom"s outermost shell of electrons. Chemical bonding is the combination and arrangement. Ionic bonding - an atom gives up electrons.
