Chapter 2, 3: Chemistry. I. Atoms/Elements A. What’s the diff?
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Transcript of Chapter 2, 3: Chemistry. I. Atoms/Elements A. What’s the diff?
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