Ch. 2 Terms & Figures

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General-Biology Online----------------------------------------------bwilcox@edison.edu Ch. 2 : The Chemical Context of Life

Terms & Figures

Ch. 2 Terms. The text in coming chapters assumes that you are comfortable using the following terms. Critical Terms are shown in bold. All are important. Terms in red are those most important for understanding coming chapters.

matter
energy
element
atom
molecule
emergent property
trace element
neutron
proton
electron
dalton
atomic number (protons)

atomic weight (protons, neutrons, electrons)
isotope
radioactive isotope
electron shells
electron orbitals
valence electrons
chemical bonds
covalent bonds*
polar covalent bond*
molecular formula

electronegativity

structural formula
ionic bond
ion
cation ion
anion
hydrogen bond*

reactants
products
chemical reactions
chemical equilibrium
double covalent bond

Ch. 2 Tables and Figures that are critical.

Table 2.1	2.12
Fig. 2.5
2.8	2.13
2.9	2.14
2.11	2.16
	2.18

Ch. 2 Table of Contents