1. Provide the element name with a ground-state electron configuration of 1s22s22p6 3s1
A. sodium
B. carbon
C. oxygen

A

. What is the ground-state electron configuration of Neon?
A. 1s22s22p63s23p64s2
B. 1s22s22p6
C. 1s22s22p63s2

B

3. Which of the following has the highest frequency?
A. x rays
B. microwaves
C. UV light

A

4. Elements in group 1A are considered _____________.
A. alkali Metals
B. halogens
C. noble Gases

A

5. Which of the following sets of elements are the most similar to each other?
A. F, Cl, Br, I
B. C, N, O, F
C. H, He

A

6. According to periodic trends, arrange the following ions, potassium, magnesium, and aluminum in order of increasing ionic size.
A. potassium ion, magnesium ion, and aluminum ion
B. aluminum ion, magnesium ion, and potassium ion
C. aluminum ion, potassium ion, and magnesium ion

B

7. As you move down a group of elements (family), the number of valence electrons
A. increases.
B. stays the same.
C. increases and then decreases.

B

8. What is the maximum number of electrons that can occupy the 4th energy level or shell?
A. 4
B. 16
C. 32

C

9. How many subshells are found in the 2nd energy level or shell?
A. 2
B. 4
C. 8

A

10. What is the maximum number of orbitals found in the 3rd energy level or shell?
A. 3
B. 9
C. 18

B

11. Based on the following electron configuration, [Kr]5s24d105p5, this element would most likely _____.
A. gain an electron to form a -1 anion and could form an ionic bond with a metal
B. loss an electron to form a -1 anion and could form an ionic bond with a metal
C. gain an electron to form a -1 anion and could form an ionic bond with a nonmetal

A

12. Based on the following electron configuration, [Xe]6s2, this element would most likely _____.
A. loss 2 electrons to form a +2 cation and could form an ionic bond with a metal
B. loss 2 electrons to form a +2 cation and could form an ionic bond with a nonmetal
C. gain 2 electrons to form a +2 cation and could form an ionic bond with a nonmetal

B

13. Identify the transition metal ion and the number of electrons with the following electron configuration, [Ar]4s03d7.
A. cobalt (I) ion and 25 electrons
B. cobalt (II) ion and 25 electrons
C. cobalt (III) ion and 25 electrons

B

14. What is the electron configuration of a copper atom?
A. [Ar]4s23d9
B. [Ar]4s13d10
C. [Ar]4s03d11

B

15. What is the electron configuration of a copper (II) ion?
A. [Ar]4s23d7
B. [Ar]4s13d8
C. [Ar]3d9

C

16. What is the ground-state electron configuration of carbon?
A. 1s22s12p3
B. 1s22s22p2
C. 1s22s32p1

B

17. In which orbital does an electron add to in chlorine to form an octet?
A. 3s
B. 3p
C. 3d

B

18. What is the ms value for an electron added to bromine to form an octet?
A. +1/2
B. -1/2
C. 0

B

19. In what block, group, and period on the periodic table can the atom with a 1s22s22p63s23p64s23d104p5 ground-state electron configuration be found?
A. p-block, group 7A, and period 3
B. p-block, group 7A, and period 4
C. p-block, group 7A, and period 5

B

20. In what block, group, and period on the periodic table can the atom with a 1s22s22p63s1 ground-state electron configuration be found?
A. s-block, group 1A, and period 2
B. s-block, group 1A, and period 3
C. s-block, group 1A, and period 4

B

21. How many electrons are in the most likely ion formed from an atom located in group 6A and period 3?
A. 16 electrons
B. 17 electrons
C. 18 electrons

C

22. How many electrons are in the most likely ion formed from an atom located in group 2A and period 5?
A. 36 electrons
B. 38 electrons
C. 37 electrons

A

23. According to periodic trends, which metal has the lowest ionization energy?
A. Li
B. Cs
C. Rb

B

24. According to periodic trends, which metal has the highest ionization energy?
A. Li
B. Cs
C. Rb

A

25. Which nonradioactive group I metal would be the most reactive in water and why?
A. Cesium would be the most reactive group I metal in water because it has only one valence electron.
B. Cesium would be the most reactive group I metal in water because it’s one valence electron is the closest to the nucleus compared to the other metals.
C.

C

26. Which of the following elements have a tendency to gain electrons?
A. Cl, O, F
B. N, O, Al
C. Cl, F, Ga

A

27. Which of the following is covalent compound?
A. CO
B. K3PO4
C. Na2O

A

28. Which list of elements contains ONLY nonmetals?
A. helium, carbon, gold
B. sodium, chromium, copper
C. phosphorus, nitrogen, oxygen

C

29. Which of the following elements form +1 ions?
A. strontium, magnesium, calcium
B. lithium, sodium, potassium
C. sodium, magnesium, aluminum

B

30. How uranium is classified as an element?
A. Main group element
B. Transition metal
C. Inner transition metal

C