Modified
True/False Indicate whether the statement is true or
false. If false, change the identified word or phrase to make the statement
true.
|
|
1.
|
Fluorine and bromine are noble gases. ____________________
|
|
2.
|
The electron configuration shown below represents an atom of magnesium.
____________________
|
|
3.
|
In the formation of an ionic bond, electrons are transferred
between atoms. ____________________
|
|
4.
|
The name of SnS is tin(II) sulfide. ____________________
|
|
5.
|
A Lewis diagram shows the arrangement of valence electrons for an
atom. ____________________
|
|
6.
|
On the pH scale, substances with a pH greater than 7 are acidic.
____________________
|
|
7.
|
The structure of organic molecules is based on an atom with four valence
electrons. ____________________
|
|
8.
|
The formula for represents a total of nine atoms.
____________________
|
|
9.
|
The materials consumed in a chemical reaction are called reactants.
____________________
|
|
10.
|
Subscripts are placed in front of each chemical formula in order to
balance a chemical equation. ____________________
|
|
11.
|
When there is only one product, the reaction type must be synthesis.
____________________
|
|
12.
|
A reaction to produce magnesium chloride requires two atoms of chlorine
for every atom of magnesium. ____________________
|
|
13.
|
The chemical formula, , represents a total of
nineteen atoms. ____________________
|
Multiple
Choice Identify the choice that best completes the statement or
answers the question.
|
|
1.
|
Which of the following elements is a non-metal?
A. | xenon | B. | arsenic | C. | palladium | D. | zirconium |
|
|
2.
|
Which of the following is always equal to the number of protons in an
atom?
A. | neutrons | B. | mass number | C. | atomic
mass | D. | atomic number |
|
|
3.
|
Which of the following is equal to the sum of the neutrons and protons in a
single atom?
A. | electron | B. | atomic mass | C. | mass number
| D. | atomic number |
|
|
4.
|
Which of the following describes an electron?
A. | uncharged particle | B. | located in the nucleus | C. | positively charged
particle | D. | negatively charged particle |
|
|
5.
|
Which of the following atoms has the greatest number of protons?
A. | boron | B. | silicon | C. | sulfur | D. | aluminum |
|
|
6.
|
How many electrons are in the outermost shell of an alkali metal atom?
|
|
7.
|
Which of the following elements is a transition metal?
A. | lithium | B. | beryllium | C. | chromium | D. | germanium |
|
|
8.
|
Which of the following elements is a noble gas?
A. | oxygen | B. | nitrogen | C. | krypton | D. | hydrogen |
|
|
9.
|
Which of the following elements is a halogen?
A. | neon | B. | iodine | C. | rubidium | D. | strontium |
|
|
10.
|
Which of the following characteristics do members of the same chemical family
share?
A. | mass number | B. | atomic number | C. | number of neutrons
in the nucleus | D. | number of electrons in the outermost electron shell |
|
|
11.
|
When an atom of carbon and an atom of oxygen combine, which of the following is
formed?
A. | a mixture | B. | an element | C. | a
compound | D. | a subatomic particle |
|
|
12.
|
How many electron pairs occupy the outermost electron shell of an atom with 36
protons?
|
|
13.
|
Which of the following statements describe noble gases? I. | stable compounds | II. | very unreactive
non-metals | III. | fill outermost electron
shells | | |
A. | I and II only | B. | I and III only | C. | II and III only
| D. | I, II, and III |
|
|
14.
|
The element represented by the Bohr model below exists naturally as two
different types of atoms. How many neutrons are present in the most common atom?
|
|
15.
|
How many valence electrons does a halogen atom have?
|
|
16.
|
When the atom represented by the Bohr model below forms an ion, what number of
electrons will it lose or gain?
A. | gain 1 | B. | lose 1 | C. | gain
2 | D. | lose 2 |
|
|
17.
|
Which of the following chemical families contains atoms that form ions with a +2
charge?
A. | halogens | B. | noble gases | C. | alkali
metals | D. | alkaline earth metals |
|
|
18.
|
Which of the following elements is most likely to exist as a diatomic
molecule?
A. | neon | B. | silicon | C. | oxygen | D. | potassium |
|
|
19.
|
Which of the following are named using a prefix system?
A. | ions | B. | polyatomic ions | C. | ionic
compounds | D. | covalent compounds |
|
|
20.
|
When the following elements are present in a compound, which one requires a
roman numeral as part of its chemical name?
A. | zinc | B. | cobalt | C. | gallium | D. | aluminum |
|
|
21.
|
How many valence electrons does an ion with 15 protons have?
|
|
22.
|
How many pairs of valence electrons are present in a sulfide ion?
|
|
23.
|
Which of the following is most likely to result when two atoms of the same
element form a covalent bond?
A. | a polyatomic ion | B. | an ionic compound | C. | a diatomic
molecule | D. | a covalent compound |
|
|
24.
|
Which of the following chemical formulas represents a compound that requires a
roman numeral in its chemical name?
|
|
25.
|
Which of the following compounds is named correctly?
A. | silver(I) iodide | B. | nickel sulfate | C. | triselenium
heptaoxide | D. | phosphorus(III) chloride |
|
|
26.
|
What compound forms when three phosphorus atoms and five iodine atoms bond
together?
A. | phosphorus iodide | B. | phosphorus(III) iodide | C. | phosphorus
pentaiodide | D. | triphosphorus pentaiodide |
|
|
27.
|
Which of the following is a correct name for a compound formed from an alkaline
earth metal and a halogen?
A. | barium iodide | B. | magnesium chlorite | C. | calcium(II)
fluoride | D. | strontium dibromide |
|
|
28.
|
The compound is currently being researched as a solid fuel
cell for the production of electricity. What is the name of this compound?
A. | bismuth oxide | B. | bismuth(II) oxide | C. | bismuth(III)
oxide | D. | dibismuth trioxide |
|
|
29.
|
Which row of the table below gives the correct formula and name of a compound
formed between a transition metal and a halogen? | Chemical formula | Chemical name | A. | AgI | silver(I)
iodide | B. | | cobalt(III) fluoride | C. | | iron dichloride | D. | | calcium bromide | | | |
|
|
30.
|
What compound is represented by the formula ?
A. | phosphorus bromide | B. | phosphorus(VII) bromide | C. | phosphorus
heptabromide | D. | monophosphorus heptabromide |
|
|
31.
|
Which row of the table matches the name of a covalent compound with its correct
chemical formula? | Name of
compound | Formula of
compound | A. | silicon
oxide | | B. | beryllium oxide | | D. | selenium(II)
oxide | | C. | dinitrogen tetraoxide | | | | |
|
|
32.
|
Which row of the table correctly gives the name and chemical formula for a
compound resulting when an alkali metal and a halogen form a compound? | Chemical formula | Name of compound | A. | FrF | francium
monofluoride | B. | CaS | calcium sulfide | C. | CuCl | copper(I)
chloride | D. | RbBr | rubidium bromide | | | |
|
|
33.
|
Which row of the table correctly gives the name and chemical formula for a
compound resulting when two halogen atoms combine to form a compound? | Chemical Formula | Name of compound | A. | | iodine monofluoride | B. | | bromine | C. | | bromine chloride | D. | | potassium chloride | | | |
|
|
34.
|
Which of the following could be produced when a chemical bond forms between
atoms of two different elements that each have seven valence electrons?
A. | oxygen gas | B. | nitrogen gas | C. | potassium
chloride | D. | iodine monobromide |
|
|
35.
|
Which element could be represented by the Lewis diagram below?
A. | neon | B. | helium | C. | lithium | D. | sulfur |
|
|
36.
|
Which of the following is a Lewis diagram?
|
|
37.
|
Which of the following could be represented by the Lewis diagram below?
A. | an ion of lithium | B. | an atom of argon | C. | an ion of
beryllium | D. | an ion of magnesium |
|
|
38.
|
Which of the following atomic numbers indicates an element most commonly found
in organic compounds?
|
|
39.
|
Which of the following Lewis diagrams represents a calcium ion?
|
|
40.
|
Which row of the table correctly indicates the colour of an indicator in each
solution? | Barium oxide | Sodium
bromide | Sulfur
dioxide | A. | litmus is
pink | phenolphthalein is pink | litmus is pink | B. | litmus is blue | phenolphthalein is
colourless | litmus is pink | C. | phenolphthalein is pink | litmus is blue | phenolphthalein is
colourless | D. | phenolphthalein is
pink | litmus is blue | litmus is blue | | | | |
|
|
41.
|
The following illustration shows a balance with reactants and products on
opposite sides. Which of the following is demonstrated
by the illustration?
A. | Kinetic Molecular Theory | B. | Law of Conservation of Mass | C. | A catalyst affects
the rate of chemical reactions. | D. | Molecules undergo chemical change to yield
reactants. |
|
|
42.
|
Which of the following chemical formulas contains the greatest number of
individual atoms?
|
|
43.
|
What type of reaction is shown below?
A. | synthesis | B. | combustion | C. | decomposition | D. | single
replacement |
|
|
44.
|
Which of the following changes is most likely to increase the rate of a chemical
reaction?
A. | removing a catalyst | B. | removing some reactants | C. | increasing the
temperature | D. | increasing product concentration |
|
|
45.
|
Which of the following is a reactant in all combustion reactions?
A. | water | B. | oxygen | C. | nitrogen | D. | carbon dioxide |
|
|
46.
|
Which of the following reactants most likely to be reactants in a single
replacement reaction?
A. | one compound | B. | two elements | C. | two
compounds | D. | one compound and one element |
|
|
47.
|
Use Scenario 9.1 to answer the next question.
In the automobile airbag,
what type of reaction occurs as sodium azide reacts?
A. | synthesis | B. | combustion | C. | decomposition | D. | single
replacement |
|
|
48.
|
Which of the following types of reaction could have strontium hydroxide as a
reactant? I. | neutralization | II. | single replacement | III. | double replacement | | |
A. | I and II only | B. | I and III only | C. | II and III
only | D. | I, II, and III |
|
|
49.
|
Which of the following changes will fix the balancing error in the equation
below?
A. | Divide all coefficients by 2. | B. | Change the coefficient on
to “6.” | C. | Change the equation of
to be . | D. | Change the
coefficient on oxygen to a “7.” |
|
|
50.
|
Which set of ordered coefficients balances the following equation?
A. | 1, 3, 1, 3 | B. | 2, 3, 2, 3 | C. | 2, 3, 4,
1 | D. | 4, 3, 4, 3 |
|
|
51.
|
Which set of ordered coefficients balances the following equation?
A. | 1, 1, 2, 1, 1 | B. | 1, 2, 1, 1, 3 | C. | 3, 2, 3, 2,
3 | D. | 3, 2, 6, 2, 3 |
|
|
52.
|
The following reactants are likely to undergo what type of chemical
change?
A. | synthesis | B. | combustion | C. | decomposition | D. | single
replacement |
|
|
53.
|
What type of chemical change are the following reactants likely to
undergo?
A. | synthesis | B. | decomposition | C. | single
replacement | D. | double replacement |
|
|
54.
|
When the following reactants undergo a double replacement reaction, what
products will form?
A. | cobalt nitrate and sulfuric acid | B. | cobalt(II) sulfide and nitric
acid | C. | cobalt sulfide and nitrogen dioxide | D. | cobalt(II) nitrate and sulfurous
acid |
|
|
55.
|
When the following reactants undergo a single replacement reaction, what
products will form?
A. | bromine chloride and calcium | B. | calcium bromide and
chlorine | C. | chlorine(II) bromide and calcium | D. | bromine monochloride and calcium
bromide |
|
|
56.
|
Which set of reactants will undergo a combustion reaction?
|
|
57.
|
Which set of reactants will undergo a single replacement reaction?
A. | zinc sulfate | B. | iron and oxygen | C. | copper(II) sulfate
and magnesium | D. | aluminum bromide and sodium carbonate |
|
Matching
|
|
|
Match each element name with the correct description. A. | argon-40 | D. | chlorine-36 | B. | boron-11 | E. | hydrogen-1 | C. | fluorine-19 | F. | magnesium-24 |
|
|
1.
|
atom with no neutrons
|
|
2.
|
electron configuration of 2, 8, 2
|
|
3.
|
halogen with two electron shells
|
|
4.
|
unreactive non-metal with three electron shells
|
|
5.
|
metalloid with three electrons in the outermost electron shell
|
|
6.
|
element with three electron shells and seven electrons in the outermost
shell
|
|
|
Match the compound name with the total number of atoms represented by its
chemical formula. Answers may be used as often as necessary.
|
|
7.
|
lithium fluoride
|
|
8.
|
sulfur hexafluoride
|
|
9.
|
magnesium bicarbonate
|
|
10.
|
chromium(II) chromate
|
|
11.
|
tetraphosphorus decaoxide
|
|
|
Match the chemical equation with the correct classification category.
Categories may be used as often as necessary.
|
|
12.
|
|
|
13.
|
|
|
14.
|
|
|
15.
|
|
|
16.
|
|
|
17.
|
|
|
18.
|
|
|
19.
|
|
|
|
Match the element name with its correct Lewis diagram.
|
|
20.
|
neon
|
|
21.
|
helium
|
|
22.
|
silicon
|
|
23.
|
fluorine
|
|
24.
|
astatine
|
|
25.
|
calcium
|
|
26.
|
nitrogen
|
|
27.
|
rubidium
|
|
28.
|
potassium
|
|
29.
|
phosphorus
|
|
|
Match each chemical reaction with the correct type of reaction. Reaction
types may be used as often as necessary. A. | synthesis | D. | decomposition | B. | combustion | E. | single replacement | C. | neutralization | F. | double replacement |
|
|
30.
|
|
|
31.
|
|
|
32.
|
|
|
33.
|
|
|
34.
|
|
|
35.
|
|
|
36.
|
|
|
37.
|
|
|
|
Match each set of reactants with the type of reaction that they can undergo.
Types of reactions may be used as often as necessary. A. | synthesis | D. | decomposition | B. | combustion | E. | single replacement | C. | neutralization | F. | double replacement |
|
|
38.
|
|
|
39.
|
|
|
40.
|
|
|
41.
|
|
|
42.
|
|
|
43.
|
|
|
44.
|
|
|
45.
|
|