A and P Lab Two
BSC 2086C: Anatomy and Physiology I
Lab 2: The Chemistry of Life
Name ____
Directions: There are eight (8) activities in this lab. Please be sure to complete them all. For all questions, type your answers into the yellow box ____ (including your name above) it will expand as you write.
Activity 1
1-1: Insert the chemical symbol in the answer blank for each of the following elements.
____ 1. oxygen
____ 2. carbon
____ 3. potassium
____ 4. iodine
____ 5. hydrogen
____ 6. nitrogen
____ 7. calcium
____ 8. sodium
____ 9. phosphorus
____ 10. magnesium
____ 11. chlorine
____ 12. iron
1-2: In the space below, list the chemicals above from the MOST abundant in the human body to the LEAST abundant.
Activity 2
2-1: For the statements below, highlight the correct word or fill in the blank as indicated:
1. A cation is an atom that has (lost/gained) an electron, giving it a (positive/negative) electrical charge.
2. An anion is an atom that has (lost/gained) an electron, giving it a (positive/negative) electrical charge.
3. A _________ is an ionic compound that, when dissolved in water, dissociates into component ions other than H+ and OH-.
4. Ions that conduct an electrical current in solution are called _________________.
5. A hydrogen atom has (one/zero) proton(s), (one/zero) electron(s), and (one/zero) neutron(s).
6. A hydrogen ion has (one/zero) proton(s), (one/zero) electron(s), and (one/zero) neutron(s).
7. Acids are substances that (release/accept) hydrogen ions.
8. Bases are substances that (release/accept) hydrogen ions.
9. The bicarbonate ion is an important (acid/base) in the human body.
10. Because water molecules have a positive pole and a negative pole, we consider the water molecule to be a ____________ molecule.
11. Water molecules bond with other water molecules by a weak ____________ bond.
12. __________ are substances that resist abrupt and large
Lab 2: The Chemistry of Life
Name ____
Directions: There are eight (8) activities in this lab. Please be sure to complete them all. For all questions, type your answers into the yellow box ____ (including your name above) it will expand as you write.
Activity 1
1-1: Insert the chemical symbol in the answer blank for each of the following elements.
____ 1. oxygen
____ 2. carbon
____ 3. potassium
____ 4. iodine
____ 5. hydrogen
____ 6. nitrogen
____ 7. calcium
____ 8. sodium
____ 9. phosphorus
____ 10. magnesium
____ 11. chlorine
____ 12. iron
1-2: In the space below, list the chemicals above from the MOST abundant in the human body to the LEAST abundant.
Activity 2
2-1: For the statements below, highlight the correct word or fill in the blank as indicated:
1. A cation is an atom that has (lost/gained) an electron, giving it a (positive/negative) electrical charge.
2. An anion is an atom that has (lost/gained) an electron, giving it a (positive/negative) electrical charge.
3. A _________ is an ionic compound that, when dissolved in water, dissociates into component ions other than H+ and OH-.
4. Ions that conduct an electrical current in solution are called _________________.
5. A hydrogen atom has (one/zero) proton(s), (one/zero) electron(s), and (one/zero) neutron(s).
6. A hydrogen ion has (one/zero) proton(s), (one/zero) electron(s), and (one/zero) neutron(s).
7. Acids are substances that (release/accept) hydrogen ions.
8. Bases are substances that (release/accept) hydrogen ions.
9. The bicarbonate ion is an important (acid/base) in the human body.
10. Because water molecules have a positive pole and a negative pole, we consider the water molecule to be a ____________ molecule.
11. Water molecules bond with other water molecules by a weak ____________ bond.
12. __________ are substances that resist abrupt and large