BIO 189 csn final exam questions with
correct answers
protons
positive, inside nucleus
| |
what do protons do
| | |
determine the atomic number of an element
| | | | | |
neutrons
neutral, inside nucleus
| |
what do neutrons do
| | |
determines the atomic mass of an element
| | | | | |
electrons
,negative, outside nucleus| |
what do electrons do
| | |
determines how/why one element interacts with another element
| | | | | | |
isotopes
elements of the same atomic number but a different atomic mass
| | | | | | | | | |
atomic number |
number of proteins an element has, determining what the element is
| | | | | | | | | |
atomic mass |
number of protons plus number of neutrons
| | | | | |
2 rules for electrons
| | |
like to be paired, like to be full
| | | | | | |
,ionic bond
|
complete transfer of electrons
| | |
covalent bond |
sharing of electrons: polar and nonpolar
| | | | |
polar bond
|
electrons shared unevenly
| |
nonpolar bond |
electrons shared evenly | |
hydrogen bond |
interaction between a negative atom with hydrogen that is already
| | | | | | | | | |
apart of a polar covalent bond
| | | | |
, weakest bond? |
hydrogen bond |
what does any property of water depend on
| | | | | | |
cohesive, difficult temp., ice floats, h bonds
| | | | | |
what are the major properties of water dependent on
| | | | | | | |
h bonds
|
carbs
twice the number of hydrogens, same number f carbon and oxygen
| | | | | | | | | | |
sugars ie monosacc, poly sacc.
| | | |
lipids
few oxygen, ton of carbon and hydrogen. i.e) fats, oils, waxes, estrogen,
| | | | | | | | | | | |
testosterone
correct answers
protons
positive, inside nucleus
| |
what do protons do
| | |
determine the atomic number of an element
| | | | | |
neutrons
neutral, inside nucleus
| |
what do neutrons do
| | |
determines the atomic mass of an element
| | | | | |
electrons
,negative, outside nucleus| |
what do electrons do
| | |
determines how/why one element interacts with another element
| | | | | | |
isotopes
elements of the same atomic number but a different atomic mass
| | | | | | | | | |
atomic number |
number of proteins an element has, determining what the element is
| | | | | | | | | |
atomic mass |
number of protons plus number of neutrons
| | | | | |
2 rules for electrons
| | |
like to be paired, like to be full
| | | | | | |
,ionic bond
|
complete transfer of electrons
| | |
covalent bond |
sharing of electrons: polar and nonpolar
| | | | |
polar bond
|
electrons shared unevenly
| |
nonpolar bond |
electrons shared evenly | |
hydrogen bond |
interaction between a negative atom with hydrogen that is already
| | | | | | | | | |
apart of a polar covalent bond
| | | | |
, weakest bond? |
hydrogen bond |
what does any property of water depend on
| | | | | | |
cohesive, difficult temp., ice floats, h bonds
| | | | | |
what are the major properties of water dependent on
| | | | | | | |
h bonds
|
carbs
twice the number of hydrogens, same number f carbon and oxygen
| | | | | | | | | | |
sugars ie monosacc, poly sacc.
| | | |
lipids
few oxygen, ton of carbon and hydrogen. i.e) fats, oils, waxes, estrogen,
| | | | | | | | | | | |
testosterone
