BIO 204 Ch 2 Lecture: Chemistry
1. Why chemistry in A/P?: human body, food, and medications are all composed of chemicals; all anatomical
structures are chemicals, and all physiological processes are based on chemical reactions
2. matter: anything that has mass and takes up space
3. weight: mass + effects of gravity
4. states of matter: solid, liquid, gas
5. solid: has definite shape and volume
6. liquid: has definite volume, changeable shape
7. gas: has changeable shape and volume
8. energy: capacity to do work
9. kinetic energy: energy in action
10. potential: stored energy
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,11. chemical energy: stored in the bonds of chemical substances
12. electrical energy: results from the movement of charged particles
13. mechanical energy: directly involved in moving matter
14. radiant/electromagnetic energy: energy traveling in waves
15. elements: unique substances that cannot be broken down by ordinary chemical means
16. periodic table: table that arranges elements according to atomic number and atomic weight
17. how many elements are there?: 118
18. how many elements occur in nature?: 92
19. major elements of the human body: oxygen, carbon, hydrogen, nitrogen
20. use of oxygen in the human body: major component for both organic and inorganic molecules,
needed for the production of ATP
21. use of carbon in the human body: primary component of all organic molecules
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, 22. use of hydrogen in the body: component of all organic molecules, influences pH of body fluids
23. use of nitrogen in the body: component of proteins and nucleic acids
24. types of subatomic particles: protons, neutrons, electrons
25. how do subatomic particles differ: mass, charge, and position in the atom
26. what particles are in the nucleus: neutrons and protons
27. charge and mass of neutrons: no charge, 1 amu
28. charge and mass of protons: positive charge, mass of 1 amu
29. where are electrons: orbiting the nucleus
30. charge and weight of electrons: negative charge, 0 amu
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1. Why chemistry in A/P?: human body, food, and medications are all composed of chemicals; all anatomical
structures are chemicals, and all physiological processes are based on chemical reactions
2. matter: anything that has mass and takes up space
3. weight: mass + effects of gravity
4. states of matter: solid, liquid, gas
5. solid: has definite shape and volume
6. liquid: has definite volume, changeable shape
7. gas: has changeable shape and volume
8. energy: capacity to do work
9. kinetic energy: energy in action
10. potential: stored energy
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,11. chemical energy: stored in the bonds of chemical substances
12. electrical energy: results from the movement of charged particles
13. mechanical energy: directly involved in moving matter
14. radiant/electromagnetic energy: energy traveling in waves
15. elements: unique substances that cannot be broken down by ordinary chemical means
16. periodic table: table that arranges elements according to atomic number and atomic weight
17. how many elements are there?: 118
18. how many elements occur in nature?: 92
19. major elements of the human body: oxygen, carbon, hydrogen, nitrogen
20. use of oxygen in the human body: major component for both organic and inorganic molecules,
needed for the production of ATP
21. use of carbon in the human body: primary component of all organic molecules
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, 22. use of hydrogen in the body: component of all organic molecules, influences pH of body fluids
23. use of nitrogen in the body: component of proteins and nucleic acids
24. types of subatomic particles: protons, neutrons, electrons
25. how do subatomic particles differ: mass, charge, and position in the atom
26. what particles are in the nucleus: neutrons and protons
27. charge and mass of neutrons: no charge, 1 amu
28. charge and mass of protons: positive charge, mass of 1 amu
29. where are electrons: orbiting the nucleus
30. charge and weight of electrons: negative charge, 0 amu
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