DIRECTION: Choose and write the letter of the correct answer on a sheet of paper. WRITE IN ALL CAPITAL LETTERS, NO ERASURES.

1. The space surrounding the nucleus of an atom contains

a. Protons b. electrons

c. neutrons

d. ions

2. What are the particles that make up an atom?

a. Protons, neutrons, and ions

b. Neutrons, isotopes, and electrons

c. Positives, negatives, and electrons

d. Protons, neutrons, and electrons

3. Which subatomic particle is NOT found in the nucleus of an atom?

a. Proton b. neutron c. electron d. ion

4. Two different atoms of the same element with the same number of protons, but a different

number of neutrons is called

a. lon

b. isotope

c. cation

d. anion

5. What is the correct representation for an orbital which has "n" value of 4 and an "I" value of 2?

a. 4d

b. 4f

c.4s

d. 4p

6. How many orbitals in the d subshell?

a. 1 b. 3

c. 7

d. 5

7. For a "p" subshell, "I" equals

a. 0 b. 2

c. 1

d. 3

8. For the quantum number, "I", equal to 2, is an "m" value of -1 permitted?

a. YES

B. NO

9. For a principal quantum number, "n", equal to 2, what is the total electron capacity of that

a. 2

level?

b. 8

c. 4

d. 16

10. Is the following quantum numbers (n.l, m, m.) possible ? (4, 1,-1, +1/2)

a. YES

B. NO​