WorksheetsChapter 6 Vocabulary Quiz
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
The building blocks of matter are called ______________.
a)
Elements
b)
Compounds
c)
Atoms
d)
Nuclei
2.
__________________ are substances that cannot be broken down into other substances by physical or chemical means.
a)
Atoms
b)
Elements
c)
Compounds
d)
Carbonics
3.
A ___________________ is a compound in which the atoms are held together by covalent bonds.
a)
Compound
b)
Molecule
c)
Elements
d)
Catalyst
4.
The attraction between positive and negative regions on the molecule and hold them together is known as __________________.
a)
Magnetic Bond
b)
Covalent Bond
c)
Ionic Bond
d)
van der Waals forces
5.
The starting substances of a chemical reaction are known as ________________.
a)
Reactants
b)
Products
c)
Catalysts
d)
Enzymes
6.
A ___________________ is the process by which atoms or groups of atoms are reorganized into different substances.
a)
Product
b)
Enzyme
c)
Activation Energy
d)
Chemical Reaction
7.
________________ are the biological catalysts that speed up the rate of chemical reactions in biological processes.
a)
Catalyst
b)
Enzyme
c)
Activation Energy
d)
Substrate
8.
Molecules that have an unequal distribution of charges are called ___________________.
a)
Hydrogen Bonds
b)
Substrates
c)
Polar Molecules
d)
Solvents
9.
The measure of the concentration of Hydrogen Ions in a solution is (are) called _________________.
a)
Buffer
b)
pH
c)
Bases
d)
Acids
10.
An atom that has gained one or more electrons is a (an) _______________.
a)
Electrolyte
b)
Isotope
c)
Buffer
d)
Ion
100 %
