Summative1_Chemistry
Matching
Match each item with the correct statement below.
a. / proton / d. / electronb. / nucleus / e. / neutron
c. / atom
____ 1. the smallest particle of an element that retains the properties of that element
____ 2. a positively charged subatomic particle
____ 3. a negatively charged subatomic particle
____ 4. a subatomic particle with no charge
____ 5. the central part of an atom, containing protons and neutrons
Match each item with the correct statement below.
a. / electronegativity / f. / periodic lawb. / ionization energy / g. / cation
c. / atomic radius / h. / period
d. / metal / i. / group
e. / transition metal / j. / electrons
____ 6. horizontal row in the periodic table
____ 7. vertical column in the periodic table
____ 8. A repetition of properties occurs when elements are arranged in order of increasing atomic number.
____ 9. type of element that is a good conductor of heat and electric current
____ 10. 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 electronsb. / 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. / electronsb. / 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 electronsb. / 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. / 16b. / 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 electronsb. / 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. Ea. / 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. / F has 0 neutrons. / c. / Mg has 24 neutrons.b. / As has 108 neutrons. / d. / U has 146 neutrons.
____ 21. Which of the following isotopes has the same number of neutrons as phosphorus-31?
a. / P / c. / Sib. / S / d. / Si
____ 22. Which color of visible light has the shortest wavelength?
a. / yellow / c. / blueb. / 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 Daltonb. / 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 electronsb. / 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. / electronsb. / protons / d. / protons and electrons
____ 26. Which of the following groupings contains only representative elements?
a. / Cu, Co, Cd / c. / Al, Mg, Lib. / Ni, Fe, Zn / d. / Hg, Cr, Ag
____ 27. What is the charge of a cation?
a. / a positive chargeb. / no charge
c. / a negative charge
d. / The charge depends on the size of the nucleus.
____ 28. 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.
____ 29. The metals in Groups 1, 2, and 3 ____.
a. / gain electrons when they form ions / c. / all have ions with a 1 chargeb. / all form ions with a negative charge / d. / lose electrons when they form ions
____ 30. In which of the following sets are the charges given correctly for all the ions?
a. / Na, Mg, Al / c. / Rb, Ba, Pb. / 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: C DIF: L1 REF: p. 101, p. 102
OBJ: 4.1.1, 4.1.2 STO: Ch.1
2. ANS: A DIF: L1 REF: p. 106 OBJ: 4.2.1
STO: Ch.1, Ch.11
3. ANS: D DIF: L1 REF: p. 104 OBJ: 4.2.1
STO: Ch.1, Ch.11
4. ANS: E DIF: L1 REF: p. 106 OBJ: 4.2.1
STO: Ch.1, Ch.11
5. ANS: B DIF: L1 REF: p. 106, p. 107
OBJ: 4.2.1, 4.2.2 STO: Ch.1, Ch.11
6. ANS: H DIF: L1 REF: p. 157 OBJ: 6.1.1
STO: Ch.1
7. ANS: I DIF: L1 REF: p. 157 OBJ: 6.1.1
STO: Ch.1
8. ANS: F DIF: L1 REF: p. 157 OBJ: 6.1.1
STO: Ch.1.a
9. ANS: D DIF: L1 REF: p. 158 OBJ: 6.1.3
STO: Ch.1.b
10. ANS: J DIF: L1 REF: p. 172 OBJ: 6.3.2
STO: Ch.1.d
MULTIPLE CHOICE
11. ANS: C DIF: L2 REF: p. 102 OBJ: 4.1.2
12. ANS: A DIF: L2 REF: p. 104 OBJ: 4.1.2
13. ANS: D DIF: L2 REF: p. 104, p. 105, p. 106
OBJ: 4.2.1 STO: Ch.1.a
14. ANS: C DIF: L3 REF: p. 106 OBJ: 4.2.1
STO: Ch.1
15. ANS: B DIF: L1 REF: p. 110 OBJ: 4.3.1
STO: Ch.1.a
16. ANS: A DIF: L2 REF: p. 110 OBJ: 4.2.1, 4.3.1
STO: Ch.1.a
17. ANS: B DIF: L2 REF: p. 111 OBJ: 4.3.1
STO: Ch.1.a
18. ANS: A DIF: L2 REF: p. 111 OBJ: 4.3.1
STO: Ch.1.a
19. ANS: C DIF: L2 REF: p. 112 OBJ: 4.3.1
STO: Ch.11.c
20. ANS: D DIF: L2 REF: p. 112, p. 113
OBJ: 4.3.2
21. ANS: B DIF: L3 REF: p. 111 OBJ: 4.3.2
STO: Ch.11.c
22. ANS: D DIF: L2 REF: p. 139 OBJ: 5.3.1
STO: Ch.1.j
23. ANS: D DIF: L1 REF: p. 156 OBJ: 6.1.2
STO: Ch.1
24. ANS: A DIF: L1 REF: p. 162, p. 163
OBJ: 6.2.1 STO: Ch.1.a
25. ANS: A DIF: L2 REF: p. 157 OBJ: 6.2.1
STO: Ch.1.a
26. ANS: C DIF: L1 REF: p. 164, p. 166
OBJ: 6.2.3 STO: Ch.1.a
27. ANS: A DIF: L1 REF: p. 172 OBJ: 6.3.2
STO: Ch.1.c
28. ANS: B DIF: L2 REF: p. 172 OBJ: 6.3.2
STO: Ch.1.c
29. ANS: D DIF: L2 REF: p. 162, p. 163, p. 172, p. 176
OBJ: 6.3.2 STO: Ch.1.c
30. ANS: B DIF: L3 REF: p. 162, p. 163, p. 172
OBJ: 6.3.2 STO: Ch.1.c
NUMERIC RESPONSE
31. ANS:
1–
DIF: L1 REF: p. 105 OBJ: 4.2.1 STO: Ch.1.h
32. ANS:
3
DIF: L1 REF: p. 110 OBJ: 4.3.1 STO: Ch.1.a
33. ANS:
4
DIF: L1 REF: p. 110, p. 111 OBJ: 4.3.1
STO: Ch.1.a
34. ANS:
128
DIF: L2 REF: p. 112, p. 113 OBJ: 4.3.2
STO: Ch.11.c