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Worksheetscarbon chemistry review
Total questions: 96
Worksheet time: 2hrs 5mins
Why can carbon combine with itself to make substances that have very different properties? (ex. graphite and diamond).
Because of carbon's 4 valence electrons it can form a variety of bonds with other carbons.
Because carbon is polar it can combine in a variety of ways.
Because carbon will either give or take 4 electrons so it can form various substances
Because carbon forms cations it combines in various ways.
Cellulose is made of glucopyranose subunits that are repeated hundreds of times. Knowing this about the structure of cellulose, it is most likely a(n)...
Alkane
Petroleum product
Polymer
Straight carbon chain
What is a hydrocarbon?
A compound composed of carbon and water
A compound composed of carbon and hydrogen
A compound composed of carbon and oxygen
A compound composed of carbon and nitrogen
What is the term used to describe compounds with the same molecular formula but different structural arrangements?
isomers
polymers
homologues
isotopes
What is the term used to describe compounds with the same molecular formula but different functional groups?
isomers
homologues
polymers
analogues
What is the maximum number of bonds that carbon can form with other atoms?
one
two
three
four
unlimited number
How many protons are in an atom of carbon?
12
6
14
8
it depends on the isotope of carbon
Fill-in-the-blank: Carbon has _______ valence electrons.
6
2
3
4
8
True/False: Carbon is NOT an important part of living things and is NOT a part of the important macromolecules that make-up biological cells.
True
False
Which biological macromolecule has forms that can function as long-term energy storage as well as forms that make up cell membranes?
lipids
carbohydrates
proteins
nucleic acids
Which biological macromolecule has the role of storing genetic information?
nucleic acids
proteins
lipids
carbohydrates
Which biological macromolecule provides a quick source of energy to cells as well as structure for some cells?
carbohydrates
lipids
proteins
nucleic acids
The smallest piece of carbon is...
one atom of carbon
a microscopic diamond
a carbon dioxide molecule
an atom with atomic number 1
Which does NOT contain carbon?
lipids
proteins
nucleic acids
carbohydrates
water
Select the isotopes of carbon:
a carbon atom with 6 protons and 6 neutrons
a carbon atom with 6 protons and 7 neutrons
a carbon atom with 6 protons and 8 neutrons
all of the above are isotopes of carbon
How does the presence of four valence electrons in carbon influence its bonding behavior?
It can only form single bonds
It can form up to four covalent bonds with other atoms
It forms ionic bonds with metals
It cannot form bonds with hydrogen
How does the bonding versatility of carbon contribute to the complexity of biological molecules?
It limits the types of molecules that can be formed
It allows for the formation of diverse and complex molecules essential for life
It only permits the formation of small molecules
It restricts carbon to forming bonds with only a few elements
Which of the following is a characteristic feature of hydrocarbons, and what is one common use?
Presence of nitrogen, used in fertilizers
Presence of carbon and hydrogen, used as fuels
Presence of oxygen, used in antiseptics
Presence of sulfur, used in dyes
Butane and isobutane are examples of
isomers
fullerenes
nanotubes
How many electrons are shared in a single bond between two carbon atoms?
1
2
4
How many bonds does a carbon atom need?
2
4
6
8
For a compound to be considered an organic compound it must contain
Carbon
Hydrogen
Oxygen
Nitrogen
A bond created by the sharing of electrons is known as...
A covalent bond
An ionic bond
A sharing bond
An electron bond
What is a hydrocarbon?
A compound composed of carbon and water
A compound composed of carbon and hydrogen
A compound composed of carbon and oxygen
A compound composed of carbon and nitrogen
An element whose atoms can make straight chains, branched chains, and rings is
carbon
hydrogen
nitrogen
oxygen
What is another name for carbon compounds?
carbohydrates
fullerenes
hydrocarbons
organic compounds
What can you tell about methane (CH4) from its molecular formula?
it contains four carbon atoms
it contains one hydrogen atom
it contains four hydrogen atoms
it forms groups of four molecules
small organic molecules that link together to form polymers.
Lipid
Monomer
Organic compound
Polymer
Most compounds that contain carbon.
Lipid
Monomer
Organic compound
Polymer
Large molecule made up of small, repeating units, linked by covalent bond to form a long chain.
Lipid
Monomer
Organic compound
Polymer
Biological polymer, made up of amino acids, catalyzes, many sell reactions and provides structural materials for many parts of the body.
Polymerization
Protein
Saturated hydrocarbon
Starches
Hydrocarbon, such as methane, with only single bonds.
Polymerization
Protein
Saturated hydrocarbon
Starches
Polymers of glucose monomers in which hundreds or thousands of glucose molecules are joined together.
Polymerization
Protein
Saturated hydrocarbon
Starches
Carbohydrates containing carbon atoms arranged in a ring.
Sugars
Unsaturated hydrocarbon
Polymer
Organic compound
What is the chemical element symbol for Carbon?
Ca
c
C
Cn
What is the Chemical element symbol for hydrogen?
Hy
He
h
H
What is the Chemical element symbol for oxygen?
O
Ox
Oy
o
Hydrocarbons are made of what 2 elements?
Oxygen
Carbon
Carbon dioxide
Helium
Hydrogen
Define polymer
circular molecule made with many repeating units
short molecule made of a few repeating units
long, chain-like molecule made of repeating units
chain-like molecule that contains hydrogen and oxygen
View Figure 1 (if not visible)
insulation
tures
hormones/ transport/ enzymes
What does poly- mean?
Many
One
SELECT ALL THAT APPLY: Which of the following correctly pairs the macromolecule with its monomer?
Carbohydrates: Monosaccharides
Lipids: Nucleotides
Proteins: Fatty Acids
Nucleic Acids: Amino Acids
Which of the following are function(s) of a carbohydrate?
Gives your body quick energy
Gives long term energy, insulation, & forms plasma membranes
Does the work of the cell & speeds up reactions
Carries your genes
What is an example of a lipid?
What is an example of a carbohydrate?
What is an example of a protein?
What is an example of a nucleic acid?
What macromolecule is classified as an enzyme?
Carbohydrate
Protein
Nucleic Acid
Lipids
What are examples of carbohydrates?
triglycerides, waxes, fat, and oils
form polypeptides such as antibodies, enzymes, and hormones
glucose, fructose, cellulose, and lactose
DNA and RNA
Macromolecules are formed by a process called polymerization, in which large compounds are built by joining smaller ones together.
The smaller units, or _____, join together to form _____.
polymers, monomers
monomers, polymers
molecules, atoms
cells, molecules
Four groups of organic compounds found in living things are
water, vitamins, minerals, air
carbon, hydrogen, oxygen, and nitrogen
sunlight, chlorophyll, photosynthesis, and glucose
carbohydrates, lipids, nucleic acids, and proteins
The monomers in starch are _____ molecules.
water
sugar
lipid
glycerol
Single sugar molecules are called _____.
monosaccharides
disaccharides
triglycerides
polysaccharides
Which lipid molecule is unsaturated fat?
Molecule on the left
Molecule on the right
A lipid molecule is composed of
monosaccharides and disaccharides
a glycerol molecule and fatty acid chains
nucleotides (phosphate, sugar, nitrogenous base)
amino acids
Nucleic acids are composed of monomers called _____.
starch
glycerol
DNA
nucleotides
Proteins are composed of monomers called _____.
monosaccharides
glycerol molecule
nucleotides
amino acids
The following macromolecule is a carbohydrate.
The following macromolecule is a lipid.
The following macromolecule is a nucleic acid.
The following macromolecule is a protein.
