Site MapHelpFeedbackPre-Test
Pre-Test
(See related pages)

1
A/an _____ is the smallest unit of an element that still retains the chemical and physical properties of that element.
A)molecule
B)atom
C)compound
D)emulsion
2
The sum of the number of neutrons and protons in the nucleus of an atom is known as the ______.
A)elemental number
B)atomic number
C)mass number
D)None of the above.
3
_________________ bonds involve a sharing of electrons.
A)Ionic
B)Molecular
C)Covalent
D)Hydrogen
4
_________________ prevent a change in pH.
A)Acids
B)Bases
C)Salts
D)Buffers
5
A typical fat molecule consists of ______.
A)glycerol
B)fatty acids
C)glycogen
D)glycerol and fatty acids





To learn more about the book this website supports, please visit its Information Center.
(c)2010 McGraw-Hill Higher Education
Any use is subject to the Terms of Use and Privacy Notice.
McGraw-Hill Higher Education is one of the many fine businesses of The McGraw-Hill Companies.


MaderOnline Learning Center

Home > Chapter 2 > Pre-Test