Name:
09/15/23
Chemistry Honors
Total Marks:
Test-2 Electrons - Electron Configuration, Periodic
Trends & Intro to Ions
Each Answer is worth 4pts ea. except where indicated.
1. What is Chemistry?
6. Element 118 will not become an ion naturally.
True
False
7. The Noble Gas configuration for Calcium is:
2
6
2
[Ne] 3s 3p 4s
[Ar] 4s2
2. How many V.E. does element 118 have?
2
[He] 4s
2
[Kr] 4s
2
8. What does electronegativity measure?
4
6
8
3. What is the electronegativity of Cu?
9. Draw the Lewis Dot Structure for Neon.
1.91
2.54
1.93
1.9
4. How does electron configuration affect behavior?
-
5. Explain why Na will give away 1 e instead of take
7 e- to become an ion.
10. On the periodic table, electronegativity generally
increases as you move from left to right across a
period and decreases as you move down a group.
True
Test-2 Electrons - Electron Configuration, Periodic Trends & Intro to Ions
False
page 1 of 3
Test-2 Electrons - Electron Configuration, Periodic Trends & Intro to Ions
11. Aluminum will become a positive 3 ion because it
09/15/23
17. How many V.E. does Hg have?
-
will give away 3e .
True
False
12. The electron configuration shown below is for
which element?
1s22s2 2p63s2
18. Ions are atoms that only have a neutral charge.
True
19. How many V.E does O have?
2
Si
4
Mg
6
Cl
8
Sr
13. What is the Noble Gas Configuration for Iodine?
+
20. When an atom has 11 p and 10 e which symbol
is correct?
Li
14. Define the Aufbau Principle.
False
+1
Na
+1
+1
K
+1
Rb
15. Using Hund's rule of electron configuration, draw
the orbital notation of neon.
21. Elements in the transition metal group (d-block)
typically have 2 V.E. There are exceptions. Why
are the d-block electrons not counted as valence
electrons?
16. According to the Pauling scale which elemental
pair will form an ionic bond?
22. Define Pauli's Exclusion Principle?
K and Si
Na and s
Fr and Br
Ca and I
Test-2 Electrons - Electron Configuration, Periodic Trends & Intro to Ions
page 2 of 3
Test-2 Electrons - Electron Configuration, Periodic Trends & Intro to Ions
09/15/23
23. Which of the following Group#s have an ionic
charge of -2?
14
15
16
17
24. According to Aufbau's Principle the Noble Gas
2
2
configuration of Ti can be written as [Ar] 3d 4s
True
False
25. Explain why K will become an ion and Ne will not.
Test-2 Electrons - Electron Configuration, Periodic Trends & Intro to Ions
page 3 of 3