TTU Chemistry Placement Exam

TTU Chemistry Placement Exam
Practice


1. An oxidation-reduction reaction always-

a.) requires a solvent.

b.) involves a metal
c.) none of the above
d.) releases heat: c.) none of the above
2. Which element is a metalloid (sometimes called a semi-metal)?

a.) Si (atomic number 14)
b.) Al (atomic number 13)
c.) Po (atomic number 84)
d.) H (atomic number 1): a.) Si (atomic number 14)
3. For the isotope 15N+, the number of protons, neutrons, and electrons is-



a.) 7 protons, 8 neutrons, 6 electrons.
b.) 7 protons, 15 neutrons, 7 electrons.
c.) 7 protons, 8 neutrons, 7 electrons.
d.) 15 protons, 15 neutrons, 14 electrons.: a.) 7 protons, 8 neutrons, 6 electrons.
4. Which species is expected to have the largest polarizability?

a.) Ne
b.) B
c.) F-
d.) Li+: c.) F-
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, TTU Chemistry Placement Exam
Practice
5. Which species has 38 electrons?

a.) Sr2+
b.) Mo3+
c.) Y+
d.) Zr-: c.) Y+
6. The volume of a rectangular box is 1.0 ft3. What is the length if the width is
1.0 ft and the height is 1.5 ft?


a.) 9 in
b.) 8 in
c.) 12 in
d.) 6 in: b.) 8 in




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