Unit 4 Test – Chemistry I – Fall 2002 – Form A
1. What is the maximum number of electrons that
can occupy any one orbital?
(A)
1 (B) 2 (C) 3 (D) 4
2. Which energy level has no “f” sublevel?
(A)
5 (B) 6 (C) 3 (D) 4
3. The total number of orbitals
in a “d” sublevel is
(A)
1 (B) 5 (C) 7 (D) 3
4. The greatest absorption of energy occurs as
an electron moves from
(A) 1s to 2s (B) 4d to 3s (C) 3p to 3s (D) 4s to 3p
5. In an atom, the “s” sublevel has
(A) 1 orbital (B) 3 orbitals (C) 5 orbitals (D) 7 orbitals
6. What is the maximum number of sublevels in
the 3rd energy level?
(A) 3 (B) 4 (C) 18 (D) 32
7. Energy is released when an electron changes
from a sublevel of
(A)
1s to 2p (B) 2s to
3s (C) 3s to 2s (D) 3p to 5s
8. What is the atomic number of the atom whose electron
configuration is 1s2 2s2 2p1?
(A) 5 (B) 8 (C) 3 (D) 2
9. The electron configuration for aluminum is
(A)
1s2 2s2 2p3 3s2 3p3 3d1
(B)
1s2 2s2 2p6 3s2 2d1
(C) 1s2 2s2
2p6 3s2 3p1 (D)
1s2 2s2 2p9
10. In a neon light,
when is light given off?
(A)
when protons return to the nucleus (B) when electrons jump to higher energy levels
(C)
when electrons collide (D) when electrons
return to their ground state
11. The correct notation for the barium atom is
(A)
1s2 2s2 2p6 3s2 3p6 3d10
4s2 (B) [Xe] 6s2
(C)
1s2 2s2 2p6 3s2 3p6 4s1 (D) 1s2
2s2 2p6 3s2 3p6 4s2
12. An atom that has an electron configuration of
1s2 2s2 2p6 3s2 3p6 4s2
3d5 is classified as
(A)
an alkali metal (B)
an alkaline earth metal
(C) a transition metal (D) a noble gas
13. The electron configuration for the carbon
atom is
(A) 1s2 2s2
2p2 (B)
[He] 2s4 (C)
[Ne] 2s2 2p2 (D)
1s2 2p4
14. If three electrons fill an empty “p”
sublevel, how will the electrons be distributed in the three orbitals?
(A) one in each
orbital
(B)
two electrons in one orbital, one in another orbital
(C)
three electrons in one orbital, none in the others
15. If 10 units of energy moves
an electron to a higher energy level, how much energy is released when the
electron returns to its normal
energy level?
(A)
20 units (B) 10 units (C) 5 units (D) 0 units
16. The maximum number of electrons that can
occupy a “d” sublevel is
(A)
5 (B) 6 (C) 7 (D) 10
17. Which has the shortest wavelength?
(A)
ultraviolet (B)
visible light (C) x-rays (D) infrared
18. Which energy level holds a maximum of 18
electrons?
(A)
2 (B) 3 (C) 4 (D) 5
19. Which one of these sublevels has the highest
energy?
(A)
4f (B) 5f (C) 6p (D) 7s
20. Which of these sublevels does NOT exist?
(A) 2d (B) 3s (C) 3d (D)
4f
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