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whats a polymer?
what do lipids consist of
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Chemistry
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1
what do lipids consist of
membranes
synthesis
hydrocarbon
nucleotide
2
whats a polymer?
the same as a monomer
a basic unit
a large molecule made up of chains or rings of monomers
3
Which one of these is a rule for dots
start dot on right side and go clockwise
all of them
4 orbitals representing valence shell around an atom
fill all positions before doubling up
4
Electronegativity
energy is needed to break
attracts a bonding pair of electrons to fill their shell
energy is released
measures things
5
What are double covalent bonds?
2 pairs of shared electrons, or 4 electrons total
2 pairs of shared electrons
4 electrons
3 electrons
6
Name this alkane
3-ethyl-3-methylpentane
cyclopropane
ethene
3-dimethyl-1-pentane
7
The most electronegative element
Francium
Fluorine
Cesium
8
What does an Ionic compound form instead of molecules?
molecules
electronegativity
conductors
lattices
9
triple covalent bond
3 pairs of shared electrons
3 pairs of shared electrons, or 6 electrons total
6 electrons total
8 electrons
10
Name this alkane
butane
ethene
propane
methane
11
What is an Ionic compound?
Nonmetal
Compound
Metal and Nonmetal
Metal
12
What does the VSEPR theory stand for
valence sigma electron pair
valence shell electronegativity pair
valence shell electron pair
13
Name this alkane
ethene
methane
propane
butane
14
What are the few factors that determine molecular geometry?
Bond lengths, bond angles, and torsional angles
bond angles
torsional angles
bond lengths
15
Elements on the... of the Periodic table have the most E.N. and the... side has the least
bottom/top
top/bottom
right/left
Left/Right
16
What is a single bond?
It is a long bond between a pair of electrons
an atom
It is 1 atom bonded ionically
a bond with 3 electrons
17
single elements when drawing the dot structure move...
any pattern
counterclockwise
clockwise
18
What's a covalent bond?
atoms in a molecule arranged
molecular bond with two nonmetal atoms
VSEPR
atoms that are unequally shared
19
What do single covalent bonds include?
2 electrons total
1 pair of shared electrons
4 electrons total
1 pair of shared electrons, or 2 electrons total
20
nucleic acid
hemoglobin and antibodies
membranes
starch
consist of nucleotide monomers linked together
21
in a polar covalent bond, atoms are ... shared
equally
unequally
2 pairs of shared electrons
22
Ionic compounds are good ....
conductors
at attracting
at absorbing
at breaking bonds
23
what are carbohydrates?
proteins
monomers
polymers
a polymer necessary for energy storage
24
Whats a dissolution?
A bond between a metal and a nonmetal
energy contained in the crystal lattice of a compound
atoms that attract a bonding pair of electrons
a solute dissolving in a solvent to form a solution
25
What element do all organic compounds contain?
fluorine
hydrogen
alkanes
carbon
26
hydrocarbons are compounds made of only
carbon
hydrogen
hydrocarbons
carbon and hydrogen
27
natural polymers
they are in nature and can be extracted
they consist of nucleotides
rubber
28
molecular geometry
describes how atoms are unequally shared
math
sigma
describes how atoms in a molecule are arranged
29
Isomers are compounds that have... structures but ... molecular formulas
same/different
different/same
same
different
30
what are proteins?
polyamides
polyesters
nucleotides
the polymer that moves molecules/muscles
