Summative1_Chemistry
Matching
Match each item with the correct statement below.
a. proton
d. electron
b. nucleus
e. neutron
c. atom
____
____
____
____
____
1.
2.
3.
4.
5.
the smallest particle of an element that retains the properties of that element
a positively charged subatomic particle
a negatively charged subatomic particle
a subatomic particle with no charge
the central part of an atom, containing protons and neutrons
Match each item with the correct statement below.
a. electronegativity
f.
b. ionization energy
g.
c. atomic radius
h.
d. metal
i.
e. transition metal
j.
____ 6.
____ 7.
____ 8.
____ 9.
____ 10.
periodic law
cation
period
group
electrons
horizontal row in the periodic table
vertical column in the periodic table
A repetition of properties occurs when elements are arranged in order of increasing atomic number.
type of element that is a good conductor of heat and electric current
subatomic particles that are transferred to form positive and negative ions
Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
____ 11. Dalton's atomic theory included which idea?
a. All atoms of all elements are the same size.
b. Atoms of different elements always combine in one-to-one ratios.
c. Atoms of the same element are always identical.
d. Individual atoms can be seen with a microscope.
____ 12. Which of the following was originally a tenet of Dalton's atomic theory, but had to be revised about a century
ago?
a. Atoms are tiny indivisible particles.
b. Atoms of the same element are identical.
c. Compounds are made by combining atoms.
d. Atoms of different elements can combine with one another in simple whole number ratios.
____ 13. Which of the following is true about subatomic particles?
a. Electrons are negatively charged and are the heaviest subatomic particle.
b. Protons are positively charged and the lightest subatomic particle.
c. Neutrons have no charge and are the lightest subatomic particle.
d. The mass of a neutron nearly equals the mass of a proton.
____ 14. All atoms are ____.
a. positively charged, with the number of protons exceeding the number of electrons
b. negatively charged, with the number of electrons exceeding the number of protons
c. neutral, with the number of protons equaling the number of electrons
d. neutral, with the number of protons equaling the number of electrons, which is equal to the
number of neutrons
____ 15. The atomic number of an element is the total number of which particles in the nucleus?
a. neutrons
c. electrons
b. protons
d. protons and electrons
____ 16. In which of the following sets is the symbol of the element, the number of protons, and the number of
electrons given correctly?
a. In, 49 protons, 49 electrons
c. Cs, 55 protons, 132.9 electrons
b. Zn, 30 protons, 60 electrons
d. F, 19 protons, 19 electrons
____ 17. Using the periodic table, determine the number of neutrons in O.
a. 4
c. 16
b. 8
d. 24
____ 18. How many protons, electrons, and neutrons does an atom with atomic number 50 and mass number 125
contain?
a. 50 protons, 50 electrons, 75 neutrons
c. 120 neutrons, 50 protons, 75 electrons
b. 75 electrons, 50 protons, 50 neutrons
d. 70 neutrons, 75 protons, 50 electrons
____ 19. If E is the symbol for an element, which two of the following symbols represent isotopes of the same
element?
1. E
2. E
3. E
4. E
a. 1 and 2
c. 1 and 4
b. 3 and 4
d. 2 and 3
____ 20. In which of the following is the number of neutrons correctly represented?
a.
c.
F has 0 neutrons.
Mg has 24 neutrons.
b.
d.
As has 108 neutrons.
U has 146 neutrons.
____ 21. Which of the following isotopes has the same number of neutrons as phosphorus-31?
a.
c.
P
Si
b.
d.
S
Si
____ 22. Which color of visible light has the shortest wavelength?
a. yellow
c. blue
b. green
d. violet
____ 23. Who arranged the elements according to atomic mass and used the arrangement to predict the properties of
missing elements?
a. Henry Moseley
c. John Dalton
b. Antoine Lavoisier
d. Dmitri Mendeleev
____ 24. In which of the following sets is the symbol of the element, the number of protons, and the number of
electrons given correctly?
a. In, 49 protons, 49 electrons
c. Cs, 55 protons, 132.9 electrons
b. Zn, 30 protons, 60 electrons
d. F, 19 protons, 19 electrons
____ 25. The atomic number of an element is the total number of which particles in the nucleus?
a. neutrons
c. electrons
b. protons
d. protons and electrons
____ 26. Which of the following groupings contains only representative elements?
a. Cu, Co, Cd
c. Al, Mg, Li
____ 27.
____ 28.
____ 29.
____ 30.
b. Ni, Fe, Zn
d. Hg, Cr, Ag
What is the charge of a cation?
a. a positive charge
b. no charge
c. a negative charge
d. The charge depends on the size of the nucleus.
Which of the following statements is true about ions?
a. Cations form when an atom gains electrons.
b. Cations form when an atom loses electrons.
c. Anions form when an atom gains protons.
d. Anions form when an atom loses protons.
The metals in Groups 1, 2, and 3 ____.
a. gain electrons when they form ions
c. all have ions with a 1 charge
b. all form ions with a negative charge
d. lose electrons when they form ions
In which of the following sets are the charges given correctly for all the ions?
a. Na , Mg , Al
c. Rb , Ba , P
b. K , Sr , O
d. N , O , F
Numeric Response
31. What is the relative charge carried by an electron?
32. Use the periodic table to determine the number of electrons in a neutral atom of lithium.
33. How many protons are present in an atom of Be-9?
34. Calculate the number of neutrons in
Pb.
Summative1_Chemistry
Answer Section
MATCHING
1. ANS:
OBJ:
2. ANS:
STO:
3. ANS:
STO:
4. ANS:
STO:
5. ANS:
OBJ:
6. ANS:
STO:
7. ANS:
STO:
8. ANS:
STO:
9. ANS:
STO:
10. ANS:
STO:
C
4.1.1, 4.1.2
A
Ch.1, Ch.11
D
Ch.1, Ch.11
E
Ch.1, Ch.11
B
4.2.1, 4.2.2
DIF: L1
STO: Ch.1
DIF: L1
REF: p. 101, p. 102
REF: p. 106
OBJ: 4.2.1
DIF: L1
REF: p. 104
OBJ: 4.2.1
DIF: L1
REF: p. 106
OBJ: 4.2.1
DIF: L1
STO: Ch.1, Ch.11
REF: p. 106, p. 107
H
Ch.1
I
Ch.1
F
Ch.1.a
D
Ch.1.b
J
Ch.1.d
DIF: L1
REF: p. 157
OBJ: 6.1.1
DIF: L1
REF: p. 157
OBJ: 6.1.1
DIF: L1
REF: p. 157
OBJ: 6.1.1
DIF: L1
REF: p. 158
OBJ: 6.1.3
DIF: L1
REF: p. 172
OBJ: 6.3.2
DIF:
DIF:
DIF:
STO:
DIF:
REF: p. 102
OBJ: 4.1.2
REF: p. 104
OBJ: 4.1.2
REF: p. 104, p. 105, p. 106
MULTIPLE CHOICE
11. ANS: C
12. ANS: A
13. ANS: D
OBJ: 4.2.1
14. ANS: C
STO: Ch.1
15. ANS: B
STO: Ch.1.a
16. ANS: A
STO: Ch.1.a
17. ANS: B
STO: Ch.1.a
18. ANS: A
STO: Ch.1.a
19. ANS: C
STO: Ch.11.c
20. ANS: D
OBJ: 4.3.2
L2
L2
L2
Ch.1.a
L3
REF: p. 106
OBJ: 4.2.1
DIF: L1
REF: p. 110
OBJ: 4.3.1
DIF: L2
REF: p. 110
OBJ: 4.2.1, 4.3.1
DIF: L2
REF: p. 111
OBJ: 4.3.1
DIF: L2
REF: p. 111
OBJ: 4.3.1
DIF: L2
REF: p. 112
OBJ: 4.3.1
DIF: L2
REF: p. 112, p. 113
21. ANS:
STO:
22. ANS:
STO:
23. ANS:
STO:
24. ANS:
OBJ:
25. ANS:
STO:
26. ANS:
OBJ:
27. ANS:
STO:
28. ANS:
STO:
29. ANS:
OBJ:
30. ANS:
OBJ:
B
Ch.11.c
D
Ch.1.j
D
Ch.1
A
6.2.1
A
Ch.1.a
C
6.2.3
A
Ch.1.c
B
Ch.1.c
D
6.3.2
B
6.3.2
DIF: L3
REF: p. 111
OBJ: 4.3.2
DIF: L2
REF: p. 139
OBJ: 5.3.1
DIF: L1
REF: p. 156
OBJ: 6.1.2
DIF: L1
STO: Ch.1.a
DIF: L2
REF: p. 162, p. 163
DIF: L1
STO: Ch.1.a
DIF: L1
REF: p. 164, p. 166
REF: p. 172
OBJ: 6.3.2
DIF: L2
REF: p. 172
OBJ: 6.3.2
DIF:
STO:
DIF:
STO:
REF: p. 162, p. 163, p. 172, p. 176
L2
Ch.1.c
L3
Ch.1.c
REF: p. 157
OBJ: 6.2.1
REF: p. 162, p. 163, p. 172
NUMERIC RESPONSE
31. ANS:
1–
DIF: L1
32. ANS:
3
REF: p. 105
OBJ: 4.2.1
STO: Ch.1.h
DIF: L1
33. ANS:
4
REF: p. 110
OBJ: 4.3.1
STO: Ch.1.a
DIF: L1
STO: Ch.1.a
34. ANS:
128
REF: p. 110, p. 111
OBJ: 4.3.1
REF: p. 112, p. 113
OBJ: 4.3.2
DIF: L2
STO: Ch.11.c