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WorksheetsWhisnant's Chapter 6
Total questions: 39
Worksheet time: 20mins
Name
Class
Date
1.
the building blocks of matter
a)
protons
b)
nucleus
c)
atoms
d)
electrons
2.
positively charged particles
a)
neutrons
b)
protons
c)
electrons
d)
atoms
3.
particles that have no charge
a)
protons
b)
neutrons
c)
electrons
d)
nucleus
4.
negatively charged particles
a)
electrons
b)
neutrons
c)
protons
d)
element
5.
center of the atom that contains neutrons and protons
a)
element
b)
nucleus
c)
electron
d)
isotope
6.
pure substance that cannot be broken down into other substances by physical or chemical means
a)
electrons
b)
protons
c)
element
d)
isotope
7.
atoms of the same element that have different numbers of neutrons
a)
element
b)
compound
c)
isotope
d)
politope
8.
a pure substance formed when two or more different elements combine
a)
prism
b)
compound
c)
isotope
d)
ionic bond
9.
the chemical bond that forms when electrons are shared
a)
molecule
b)
ion
c)
covalent bond
d)
ionic bond
10.
a compound in which the atoms are held together by covalent bonds
a)
ionic bond
b)
ion
c)
van der Waals forces
d)
molecule
11.
an atom that has lost or gained one or more electrons
a)
ionic bond
b)
ion
c)
molecule
d)
covalent bond
12.
an electrical attraction between two oppositely charged atoms or groups of atoms called ions
a)
covalent bond
b)
ionic bond
c)
van der Waals forces
d)
chemical reaction
13.
attractive forces between positive and negative regions that pull on the molecules and hold them together
a)
covalent bonds
b)
ionic bonds
c)
van der Waals forces
d)
Gorilla Glue
14.
the process by which atoms or groups of atoms in substances are reorganized into different substances
a)
physical reaction
b)
covalent bonds
c)
ionic bonds
d)
chemical reaction
15.
the starting substances of a chemical equation
a)
products
b)
coefficient
c)
recreation
d)
reactants
16.
the substances formed during a chemical reaction
a)
products
b)
recreations
c)
physical properties
d)
reactants
17.
the minimum amount of energy needed for reactants to form products in a chemical reaction
a)
start energy
b)
activation energy
c)
catalyst
d)
enzymes
18.
a substance that lowers the activation energy needed needed to start a chemical reaction (i.e., speeds up reaction)
a)
catalyst
b)
enzyme
c)
activation energy
d)
start energy
19.
special proteins that act as biological catalyst, speeding up the rate of chemical reactions
a)
reaction
b)
activation energy
c)
catalyst
d)
enzymes
20.
the reactants that bind to the enzyme
a)
hydrogen bond
b)
polar molecules
c)
active site
d)
substrates
21.
the specific location where a substrate binds on an enzyme
a)
active site
b)
hydrogen bond
c)
locational
d)
monde du spot
22.
Molecules that have an unequal distribution of charges - oppositely charged regions
a)
non-polar molecules
b)
hydrogen
c)
polar molecules
d)
fluorine
23.
the electrostatic attraction in water
a)
oxygen bond
b)
hydrogen bond
c)
non-polar attraction
d)
solution
24.
a combination of two or more substances in which each substance retains its individual characteristics and properties
a)
solute
b)
solvent
c)
solution
d)
mixture
25.
homogeneous mixture - uniform composition throughout
a)
solvent
b)
solute
c)
solution
d)
mixture
26.
a substance in which another substance is dissolved - does the dissolving
a)
solvent
b)
solute
c)
solution
d)
mixture
27.
the substance that is being dissolved in the solution
a)
solute
b)
solvent
c)
suspend
d)
hydrogen
28.
substances that release hydrogen ions (H+) when they are dissolved in water
a)
bases
b)
pH
c)
buffers
d)
acids
29.
substances that release hydroxide ions (OH-) when they are dissolved in water
a)
bases
b)
acids
c)
pH
d)
buffer
30.
the measure of concentration of (H+) in a solution
a)
buffer
b)
pH
c)
polarity
d)
hydrogen scale
31.
mixtures that can react with acids or bases to keep the pH within a particular range
a)
Stuffer
b)
Buffer
c)
Data ranger
d)
pH technician
32.
large molecules that are formed by joining smaller organic molecules together
a)
micromolecules
b)
millimolecules
c)
kilamolecules
d)
macromolecules
33.
macromolecules made from repeating units of identical or nearly identical compounds called monomers that are linked together by a series of covalent bonds
a)
polymers
b)
figures
c)
macros
d)
micros
34.
compound composed of oxygen, hydrogen, and carbon in a ratio of 1-O : 2-H : 1-C
a)
phospholipids
b)
carbohydrates
c)
unsaturated fats
d)
saturated fats
35.
molecules made mostly of carbon and hydrogen that make up the fats, oils, and waxes
a)
carbohydrates
b)
lipids
c)
cellulose
d)
carbonic acid
36.
compound made of small carbon compounds called amino acids
a)
carbon
b)
protein
c)
nitrogen
d)
nucleotides
37.
small compounds that are made of carbon, nitrogen, oxygen, hydrogen, and sometimes sulfur - make up proteins
a)
hydrogen bonds
b)
side chain
c)
carboxyl
d)
amino acids
38.
complex macromolecules that store and transmit genetic information
a)
nucleic bases
b)
hydrogen bonds
c)
nucleic acids
d)
nucleic neutrals
39.
Nucleic acids are made of smaller repeating subunits composed of carbon, nitrogen, oxygen, phosphorus, and hydrogen atoms called ________.
a)
nucleotides
b)
nucleus
c)
nocturnaltides
d)
carbontides
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