Ch. 2: The Chemical Context of Life Notes

Seite 1

Outline:

2.1 Matter consists of chemical elements in pure form and combinations called compound s.

Elements and Compounds (Pg. 31)

Essential elements of life. (Pg. 32)

2.2 An elements properties depend on the structure of its atoms.

Subatomic particles (pg. 32)

Atomic number and atomic mass (pg. 33)

Isotopes (pg. 33)

The energy levels of electrons (pg. 35)

Electron distribution and chemical properties (pg. 35)

Electron orbitals (pg. 36)

2.3 The formation and function of molecules is dependent on chemical bonding between atoms.

Covalent bonds (pg. 38)

Ionic bonds (pg. 39)

Weak chemical bonds (pg. 40)

Hydrogen Bonds (pg. 40)

Van Der Waals Interactions (pg. 40)

Molecular shape and function (pg. 41)

2.4 Chemical reactions make and break chemical bonds.

Seite 2

2.1 Matter Consists of Chemical Elements in Pure Form and Combinations Called Compounds

Vocabulary:

Matter --

Element --

Compound --

Trace Elements --

Outline:

Elements and Compounds

Essential Elements of Life

Seite 3

2.2 An Elements Properties Depend on the Structure of its Atoms

Outline:

Subatomic Particles

Atomic Number and Atomic Mass

Isotopes

The Energy Levels of Electrons

Electron Distribution and Chemical Properties

Electron Orbitals

Seite 4

2.3 The Formation and Function of Molecules Depends on Chemical Bonding Between Atoms

Outline:

Covalent Bonds

Ionic Bonds

Weak Chemical Bonds

Hydrogen Bonds

Van Der Waals Interactions

Molecular Shape and Functions

Seite 5

2.4 Chemical Reactions Make and Break Chemical Bonds