Chapter 2, 3: Chemistry

I. Atoms/Elements

I. Atoms/ElementsA. What’s the diff?

I. Atoms/ElementsA. What’s the diff?

B. The structure of an atom1. The major subatomic particles

I. Atoms/ElementsA. What’s the diff?

B. The structure of an atom1. The major subatomic particles

2. Atomic mass: the identity of an element

I. Atoms/ElementsA. What’s the diff?

B. The structure of an atom1. The major subatomic particles

2. Atomic mass: the identity of an element

3. The number of electrons: determines an element’s reactivity

I. Atoms/ElementsA. What’s the diff?

B. The structure of an atom1. The major subatomic particles

2. Atomic mass: the identity of an element

3. The number of electrons: determines an element’s reactivity

Molecules: atoms bondA. Ionic Bonding

Molecules: atoms bondA. Ionic Bonding

B. Covalent Bonding1. General

Molecules: atoms bondA. Ionic Bonding

B. Covalent Bonding1. General

2. Polar vs. Non-polar bonds and molecules

Molecules: atoms bondA. Ionic Bonding

B. Covalent Bonding

C. Hydrogen bonds: occur between polar molecules

III Properties of Water

A. Cohesion/water tension

III Properties of Water

A. Cohesion/water tension

B. High Heat Capacity

III Properties of Water

A. Cohesion/water tension

B. High Heat Capacity

C. Molecules spread out when frozen; ice is less dense than water

III Properties of Water

A. Cohesion/water tension

B. High Heat Capacity

C. Molecules spread out when frozen; ice is less dense than water

D. Dissolves polar and ionic substances

IV. pH

A. Pure Water

IV. pH

A. Pure Water H+ = OH-, neutral

IV. pH

A. Pure Water H+ = OH-, neutral

B. Acids and Bases

IV. pH

A. Pure Water H+ = OH-, neutral

B. Acid and Basic solutions-acid: H+ > OH-

-basic: OH- > H+

IV. pH

A. Pure Water H+ = OH-, neutral

B. Acid and Basic solutions

C. Buffers

Monosaccharide (glucose)

Mono- and Disaccharides

Polysaccharide

Fatty acids, triglycerides