Exam
Name___________________________________
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
1) In the periodic table, the rows are called __________ and the columns are called __________.
A) cogeners, families
B) rows, groups
C) octaves, groups
D) staffs, families
E) periods, groups
1)
2) Elements in Group 7A are known as the __________.
A) noble gases
B) alkali metals
C) alkaline earth metals
D) halogens
E) chalcogens
2)
3) Elements in Group 1A are known as the __________.
A) noble gases
B) halogens
C) alkali metals
D) alkaline earth metals
E) chalcogens
3)
4) Elements in Group 8A are known as the __________.
A) noble gases
B) halogens
C) chalcogens
D) alkaline earth metals
E) alkali metals
4)
5) Elements in Group 2A are known as the __________.
A) chalcogens
B) alkaline earth metals
C) alkali metals
D) halogens
E) noble gases
5)
6) Potassium is a __________ and chlorine is a __________.
A) metal, metalloid
B) metal, metal
C) metal, nonmetal
D) nonmetal, metal
E) metalloid, nonmetal
6)
1
7) Lithium is a __________ and magnesium is a __________.
A) metal, metalloid
B) nonmetal, metal
C) nonmetal, nonmetal
D) metal, metal
E) metalloid, metalloid
7)
8) Oxygen is a __________ and nitrogen is a __________.
A) nonmetal, nonmetal
B) nonmetal, metal
C) metal, metalloid
D) metalloid, metalloid
E) nonmetal, metalloid
8)
9) When a metal and a nonmetal react, the __________ tends to lose electrons and the __________
tends to gain electrons.
A) metal, metal
B) nonmetal, metal
C) nonmetal, nonmetal
D) metal, nonmetal
E) None of the above, these elements share electrons .
9)
10) __________ typically form ions with a 2+ charge.
A) Transition metals
B) Alkaline earth metals
C) Chalcogens
D) Halogens
E) Alkali metals
10)
11) What is the formula of the compound formed between strontium ions and nitrogen ions?
A) Sr2N3
B) SrN
C) SrN2
D) SrN3
E) Sr3N2
11)
12) Sodium forms an ion with a charge of __________.
A) 0
B) 2C) 1-
D) 2+
E) 1+
12)
13) Potassium forms an ion with a charge of __________.
A) 2B) 2+
C) 1-
D) 1+
E) 0
14) Barium forms an ion with a charge of __________.
A) 2+
B) 2C) 1+
D) 3-
E) 3+
15) Aluminum forms an ion with a charge of __________.
A) 3B) 1C) 1+
D) 3+
E) 2+
16) Iodine forms an ion with a charge of __________.
A) 7B) 1+
C) 1-
D) 2-
E) 2+
17) Oxygen forms an ion with a charge of __________.
A) 3B) 2C) 6+
D) 3+
2
E) 2+
13)
14)
15)
16)
17)
18) Predict the empirical formula of the ionic compound that forms from sodium and fluorine.
A) NaF
B) Na 3F2
C) NaF2
D) Na 2F3
E) Na 2F
18)
19) Predict the empirical formula of the ionic compound that forms from magnesium and fluorine.
A) Mg2 F3
B) MgF2
C) MgF
D) Mg2 F
E) Mg3 F2
19)
20) Predict the empirical formula of the ionic compound that forms from magnesium and oxygen.
A) MgO2
B) Mg3 O2
C) Mg2 O2
D) MgO
E) Mg2 O
20)
21) Predict the empirical formula of the ionic compound that forms from aluminum and oxygen.
A) AlO2
B) Al3 O2
C) AlO
D) Al2 O
E) Al2 O3
21)
22) The correct name for SrO is __________.
A) strontium hydroxide
B) strontium monoxide
C) strontium peroxide
D) strontium oxide
E) strontium dioxide
22)
23) The correct name for K2 S is __________.
23)
24) The correct name for Al2O3 is __________.
24)
A) potassium bisulfide
B) potassium sulfide
C) potassium disulfide
D) dipotassium sulfate
E) potassium sulfate
A) aluminum hydroxide
B) aluminum oxide
C) dialuminum trioxide
D) aluminum trioxide
E) dialuminum oxide
25) Magnesium and sulfur form an ionic compound with the formula __________.
A) Mg2 S
B) Mg2 S3
C) Mg2 S2
D) MgS
E) MgS2
25)
26) The correct name for CaH2 is __________.
26)
27) There are __________ protons, __________ neutrons, and __________ electrons in 131I- .
A) 78, 53, and 72
B) 131, 53, and 54
C) 131, 53, and 52
D) 53, 131, and 52
E) 53, 78, and 54
27)
A) calcium dihydroxide
B) calcium hydroxide
C) calcium dihydride
D) hydrocalcium
E) calcium hydride
3
28) Which of the following compounds would you expect to be ionic?
A) SO2
B) CO2
C) H2 S
D) H2 O
28)
E) SrCl2
29) Which pair of elements is most apt to form an ionic compound with each other?
A) calcium, sodium
B) nitrogen, hydrogen
C) oxygen, fluorine
D) sulfur, fluorine
E) barium, bromine
29)
30) How many protons does the Br- ion possess?
A) 36
B) 6
C) 34
D) 35
E) 8
31) Predict the charge of the most stable ion of potassium.
A) 1B) 1+
C) 2+
D) 3+
E) 2-
32) The mass number of an atom of 118Xe is __________.
A) 110
B) 172
C) 54
D) 64
E) 118
33) An atom of 131I contains __________ electrons.
A) 78
B) 124
C) 184
D) 53
E) 131
34) An atom of 17O contains __________ protons.
A) 8
B) 25
C) 17
D) 11
E) 9
30)
31)
32)
33)
34)
SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.
35) The formula for potassium sulfide is __________.
35)
36) The formula for magnesium oxide is __________________.
36)
37) The formula for aluminum sulfide is _____________________.
37)
38) The formula for barium chloride is ______________________.
38)
39) The formula for rubidium oxide is ________________________.
39)
40) The formula for iron(II) oxide is _________________________.
40)
4