{Fall Final Review

Units 1 - 5

a.alloy c. compound

b.

Element d. mixture

Question 1

A substance made of one type of atom that can NOT be broken down is known as a(n)

a.alloy c. compound

b.

Element d. mixture

Question 1

A substance made of one type of atom that can NOT be broken down is known as a(n)

a. gives away electrons to metals

c.

shares electrons with metals

b. takes electrons from metals

d.

gives away electrons to nonmetals

Question 2

Fluorine forms an ion when it

a. gives away electrons to metals

c.

shares electrons with metals

b. takes electrons from metals

d.

gives away electrons to nonmetals

Question 2

Fluorine forms an ion when it

a. is formed when an atom loses electrons

c. is usually a nonmetal

b. is formed when an atom gains electrons

d. is a neutral atom with no charge

Question 3

A cation

a. is formed when an atom loses electrons

c. is usually a nonmetal

b. is formed when an atom gains electrons

d. is a neutral atom with no charge

Question 3

A cation

a. Li, Na, K, Rb, and Cs c. F, Cl, and Brb. C and Si d. Ne, Ar, Kr, and Xe

Question 4

Which elements are least likely to undergo bonding?

a. Li, Na, K, Rb, and Cs c. F, Cl, and Brb. C and Si d. Ne, Ar, Kr, and Xe

Question 4

Which elements are least likely to undergo bonding?

a. 1 c. 3b. 2 d. 4

Question 5

For the diatomic molecule Cl2, how many

electrons does each chlorine atom contribute to the sharing?

a. 1 c. 3b. 2 d. 4

Question 5

For the diatomic molecule Cl2, how many

electrons does each chlorine atom contribute to the sharing?

a. 1 c. 3b. 2 d. Chlorine does not

bond with beryllium

Question 6How many chlorine atoms will it take to form a neutral compound with beryllium? The Bohr models are shown above.

a. 1 c. 3b. 2 d. Chlorine does not

bond with beryllium

Question 6How many chlorine atoms will it take to form a neutral compound with beryllium? The Bohr models are shown above.

a. To become neutrally charged

c. To achieve a full octet

b.

To become unstable d.

To share with other atoms

Question 7Why do these atoms lose or gain electrons?

a. To become neutrally charged

c. To achieve a full octet

b.

To become unstable d.

To share with other atoms

Question 7Why do these atoms lose or gain electrons?

a. alkali metals c. noble gasesb. metalloids d. ions

Question 8Elements that share properties of both metals and nonmetals are

a. alkali metals c. noble gasesb. metalloids d. ions

Question 8Elements that share properties of both metals and nonmetals are

a. 26 c. 56b. 30 d. 82

Question 9An iron atom has an atomic mass of 56. Its atomic number is 26. How many neutrons does this isotope of iron have?

a. 26 c. 56b. 30 d. 82

Question 9An iron atom has an atomic mass of 56. Its atomic number is 26. How many neutrons does this isotope of iron have?

a. Dissolve the mixture in water and filter the iron

c. Boil the mixture using distillation. The iron will boil off

b. Use a magnet to separate the iron

d. None of these will work, it is impossible to separate this mixture

Question 10Using the physical properties in the chart, by which of the following procedures would this mixture most easily be separated? Sulfur Iron

Not Soluble in water Not soluble in water

Solid Yellow powder smells like rotten eggs

Solid Dark metal that is magnetic

Boils at 444.674 º C Boils at 2750 º C.

a. Dissolve the mixture in water and filter the iron

c. Boil the mixture using distillation. The iron will boil off

b. Use a magnet to separate the iron

d. None of these will work, it is impossible to separate this mixture

Question 10Using the physical properties in the chart, by which of the following procedures would this mixture most easily be separated? Sulfur Iron

Not Soluble in water Not soluble in water

Solid Yellow powder smells like rotten eggs

Solid Dark metal that is magnetic

Boils at 444.674 º C Boils at 2750 º C.

a. Substances are mixed

c. Hot objects melt

b. Objects change shape

d. New substances form

Question 11

A chemical change occurs whenever

a. Substances are mixed

c. Hot objects melt

b. Objects change shape

d. New substances form

Question 11

A chemical change occurs whenever

a. electric charge. c. energy levelb. atomic mass. d. speed.

Question 12

According to Bohr’s theory, an electron’s path around the nucleus defines its

a. electric charge. c. energy levelb. atomic mass. d. speed.

Question 12

According to Bohr’s theory, an electron’s path around the nucleus defines its

a. the atom becomes charged

c. the electron’s location is pinpointed

b. the atom becomes stable

d. the atom gains or loses energy

Question 13

An electron jumps to a new energy level when

a. the atom becomes charged

c. the electron’s location is pinpointed

b. the atom becomes stable

d. the atom gains or loses energy

Question 13

An electron jumps to a new energy level when

a. One c. Threeb. Two d. Five

Question 14

How many valence electrons do members of the boron family have?

a. One c. Threeb. Two d. Five

Question 14

How many valence electrons do members of the boron family have?

a. one or seven valence electrons

c. four or five valence electrons

b. eight valence electrons

d. no valence electrons

Question 15Atoms of the most reactive elements tend to have

a. one or seven valence electrons

c. four or five valence electrons

b. eight valence electrons

d. no valence electrons

Question 15Atoms of the most reactive elements tend to have

a. Halogens c. Alkali Metalsb. Alkaline Earth

Metalsd. Transition Metals

Question 16What is the family name for the Group 2A elements?

a. Halogens c. Alkali Metalsb. Alkaline Earth

Metalsd. Transition Metals

Question 16What is the family name for the Group 2A elements?

a. +1 c. +7b. -1 d. -7

Question 17Element B would have a charge or oxidation number of

a. +1 c. +7b. -1 d. -7

Question 17Element B would have a charge or oxidation number of

a. gain two protons c. lose two protonsb. gain two electrons d. lose two electrons

Question 18

When a beryllium atom becomes an ion, it will:

a. gain two protons c. lose two protonsb. gain two electrons d. lose two electrons

Question 18

When a beryllium atom becomes an ion, it will:

a. the number of electrons shared

c. the number of protons in the nucleus

b. the number and ratio of atoms

d. the number of neutrons in the nucleus

Question 19

The chemical formula Na2S represents:

a. the number of electrons shared

c. the number of protons in the nucleus

b. the number and ratio of atoms

d. the number of neutrons in the nucleus

Question 19

The chemical formula Na2S represents:

a. Hydrogen bonds c. Ionic bonds

b. Covalent bonds d. Metallic bonds

Question 20The bonds between carbon and oxygen atoms shown in the figure below would be best classified as:

a. Hydrogen bonds c. Ionic bonds

b. Covalent bonds d. Metallic bonds

Question 20The bonds between carbon and oxygen atoms shown in the figure below would be best classified as:

a. Mg, Al, F, O c. Li, K, Rb, Csb. Mg, Al, S, Cl d. Ne, F-, Mg2+, O2-

Question 21

Which four elements would have the same electron configuration as a sodium ion (Na+)?

a. Mg, Al, F, O c. Li, K, Rb, Csb. Mg, Al, S, Cl d. Ne, F-, Mg2+, O2-

Question 21

Which four elements would have the same electron configuration as a sodium ion (Na+)?

a. Nonpolar covalent c. Ionicb. Polar covalent d. Can’t say based on table

alone

Question 22Predict what kind of bond will form between carbon and oxygen.

1 / 1A Electronegativity 18 / 8A

H He2.1 2 / 2A 13 / 3A 14 / 4A 15 / 5A 16 / 6A 17 / 7A -Li Be Groups B C N O F Ne

1.0 1.6 3 - 12 2.0 2.5 3.0 3.5 4.0 -Na Mg Al Si P S Cl Ar0.9 1.3 1.6 1.9 2.2 2.5 3.0 -K Ca Br Kr

0.8 1.3 2.8 -Rb I Xe0.8 2.7 -Cs0.8

a. Nonpolar covalent c. Ionicb. Polar covalent d. Can’t say based on table

alone

Question 22Predict what kind of bond will form between carbon and oxygen.

1 / 1A Electronegativity 18 / 8A

H He2.1 2 / 2A 13 / 3A 14 / 4A 15 / 5A 16 / 6A 17 / 7A -Li Be Groups B C N O F Ne

1.0 1.6 3 - 12 2.0 2.5 3.0 3.5 4.0 -Na Mg Al Si P S Cl Ar0.9 1.3 1.6 1.9 2.2 2.5 3.0 -K Ca Br Kr

0.8 1.3 2.8 -Rb I Xe0.8 2.7 -Cs0.8

a. O-O c. K-Pb. Ca-Na d. Na-K

Question 23Predict which of the following pairs of elements would form the most nonpolar covalent bond (i.e. nonmetals, lowest difference in electronegativity).

a. O-O c. K-Pb. Ca-Na d. Na-K

Question 23Predict which of the following pairs of elements would form the most nonpolar covalent bond (i.e. nonmetals, lowest difference in electronegativity).

a. H c. Cb. Cl d. Ne

Question 24

Which element is not likely to form a bond?

a. H c. Cb. Cl d. Ne

Question 24

Which element is not likely to form a bond?

a.   

c. 

b. 

d.

Question 25Which of the following is the correct Lewis Dot model for chlorine?

a.   

c. 

b. 

d.

Question 25Which of the following is the correct Lewis Dot model for chlorine?

a. Magnesium c. Neitherb. Fluorine d. Both

Question 26

The element that forms the cation would be

a. Magnesium c. Neitherb. Fluorine d. Both

Question 26

The element that forms the cation would be

a. 1:1 c. 12:9b. 1:2 d. 9:12

Question 27When magnesium and fluorine join to form the compound magnesium fluoride, what is the ratio of magnesium atoms to fluorine atoms?

a. 1:1 c. 12:9b. 1:2 d. 9:12

Question 27When magnesium and fluorine join to form the compound magnesium fluoride, what is the ratio of magnesium atoms to fluorine atoms?

a. Ionic c. nonpolar covalentb. polar covalent d. metallic

Question 28Sodium has one electron in its outer shell and chlorine has seven electrons in its outer shell. The atoms will form a(n) _____________ bond.

a. Ionic c. nonpolar covalentb. polar covalent d. metallic

Question 28Sodium has one electron in its outer shell and chlorine has seven electrons in its outer shell. The atoms will form a(n) _____________ bond.

a. by gaining five electrons

c. by losing five electrons

b. by gaining three electrons

d. by losing three electrons

Question 29In an ionic bond, how does a nitrogen atom (located in group 5A / 15) most commonly achieve a completely filled outer shell of electrons?

a. by gaining five electrons

c. by losing five electrons

b. by gaining three electrons

d. by losing three electrons

Question 29In an ionic bond, how does a nitrogen atom (located in group 5A / 15) most commonly achieve a completely filled outer shell of electrons?

a. Polar Covalent c. Ionicb. Nonpolar Covalent d. Metallic

Question 30

When electrons are transferred from one atom to another, the bond formed is

a. Polar Covalent c. Ionicb. Nonpolar Covalent d. Metallic

Question 30

When electrons are transferred from one atom to another, the bond formed is

a. Li, Na, K, Rb, and Cs

c. F, Cl, and Br

b. C and Si d. Ne, Ar, Kr, and Xe

Question 31

Which elements are likely to form a positive ion when undergoing ionic bonding?

a. Li, Na, K, Rb, and Cs

c. F, Cl, and Br

b. C and Si d. Ne, Ar, Kr, and Xe

Question 31

Which elements are likely to form a positive ion when undergoing ionic bonding?

a. 1 c. 3

b. 2 d. 4

Question 32

How many hydrogen atoms does it take to form a stable octet with the carbon atom?

a. 1 c. 3

b. 2 d. 4

Question 32

How many hydrogen atoms does it take to form a stable octet with the carbon atom?

a. Lose a proton c. Gain a protonb. Lose an electron d. Gain an electron

Question 33

When a chlorine atom becomes an ion, it will:

a. Lose a proton c. Gain a protonb. Lose an electron d. Gain an electron

Question 33

When a chlorine atom becomes an ion, it will:

a. c.

b. d.

Question 34

If Aluminum and Chlorine bond, what would be the correct formula for the atom?

a. c.

b. d.

Question 34If Aluminum and Chlorine bond, what would be the correct formula for this atom?

a. Electron Activity c. Ionization Energyb. Electronegativity d. Reactivity

Question 35

The ability of an atom to attract or gain an electron is

a. Electron Activity c. Ionization Energyb. Electronegativity d. Reactivity

Question 35

The ability of an atom to attract or gain an electron is

a. Alkali Metals c. Halogensb. Alkaline Earth

Metalsd. Noble Gases

Question 36The elements located in group 7A of the periodic table (also known as group 17) are called the

a. Alkali Metals c. Halogensb. Alkaline Earth

Metalsd. Noble Gases

Question 36The elements located in group 7A of the periodic table (also known as group 17) are called the

a. protons plus the number of electrons

c. protons

b. protons plus the number of neutrons

d. neutrons

Question 37

An atom’s mass number equals the number of

a. protons plus the number of electrons

c. protons

b. protons plus the number of neutrons

d. neutrons

Question 37

An atom’s mass number equals the number of

a. protons and neutrons

c. only neutrons

b. only protons d. anodes

Question 38

What is the nucleus of an atom made of?

a. protons and neutrons

c. only neutrons

b. only protons d. anodes

Question 38

What is the nucleus of an atom made of?

a. malleability c. solubilityb. conductibility d. ductility

Question 39

The ability of a substance to dissolve in another is

a. malleability c. solubilityb. conductibility d. ductility

Question 39

The ability of a substance to dissolve in another is

a. A c. Both A and Bb. B d. Neither A nor B

Question 40

In the drawing above, which illustrates matter that is homogeneous?

A B

a. A c. Both A and Bb. B d. Neither A nor B

Question 40

In the drawing above, which illustrates matter that is homogeneous?

A B

Which factor does NOT affect the pressure of an enclosed gas?

a. Volume c. Number of particlesb. Temperature d. Type of container

Question 41

Which factor does NOT affect the pressure of an enclosed gas?

a. Volume c. Number of particlesb. Temperature d. Type of container

Question 41

a. eight neutrons in its nucleus

c. eight protons in its nucleus

b. a total of eight protons and neutrons

d. a total of eight neutrons and electrons

Question 42Oxygen’s atomic number is 8. Which of the following will ALWAYS be true about ALL oxygen atoms? It has:

a. eight neutrons in its nucleus

c. eight protons in its nucleus

b. a total of eight protons and neutrons

d. a total of eight neutrons and electrons

Question 42Oxygen’s atomic number is 8. Which of the following will ALWAYS be true about ALL oxygen atoms? It has:

a. metalloids c. nonmetalsb. Metals d. all elements

Question 43

Malleability and ductility are characteristics of:

a. Metalloids c. Nonmetalsb. Metals d. All elements

Question 43

Malleability and ductility are characteristics of:

a. Particles never stop moving.

c. Shape is fixed in a gas.

b. Volume is fixed in a gas

d. Particles are arranged in an orderly fashion.

Question 44Which of the following statements describes gases based on the kinetic theory?

a. Particles never stop moving.

c. Shape is fixed in a gas.

b. Volume is fixed in a gas

d. Particles are arranged in an orderly fashion.

Question 44Which of the following statements describes gases based on the kinetic theory?

a. Element A to Element B c. Both elements are likely to transfer electrons

b. Element B to Element A d. Neither element is likely to transfer electrons

Question 45When a chemical bond is formed between elements A and B, the electrons are most likely to be transferred from:

a. Element A to Element B c. Both elements are likely to transfer electrons

b. Element B to Element A d. Neither element is likely to transfer electrons

Question 45When a chemical bond is formed between elements A and B, the electrons are most likely to be transferred from:

Question 46

a. c.

b. d.

The formula for the compound that forms when combining elements A and B would best be expressed as

Question 46

a. c.

b. d.

The formula for the compound that forms when combining elements A and B would best be expressed as

a. Lost c. Sharedb. Gained d. Unchanged

Question 47Nitrogen and oxygen can form a covalent compound. In this example, electrons are __________.

a. Lost c. Sharedb. Gained d. Unchanged

Question 47Nitrogen and oxygen can form a covalent compound. In this example, electrons are __________.

Question 48

1 / 1A Electronegativity 18 / 8AH He

2.1 2 / 2A 13 / 3A 14 / 4A 15 / 5A 16 / 6A 17 / 7A -Li Be Groups B C N O F Ne

1.0 1.6 3 - 12 2.0 2.5 3.0 3.5 4.0 -Na Mg Al Si P S Cl Ar0.9 1.3 1.6 1.9 2.2 2.5 3.0 -K Ca Br Kr

0.8 1.3 2.8 -Rb I Xe0.8 2.7 -Cs0.8

a. Nonpolar covalent c. Ionic

b. Polar covalent d. Can’t say based on the table alone

Predict what kind of bond will form between potassium and chlorine

Question 48

1 / 1A Electronegativity 18 / 8AH He

2.1 2 / 2A 13 / 3A 14 / 4A 15 / 5A 16 / 6A 17 / 7A -Li Be Groups B C N O F Ne

1.0 1.6 3 - 12 2.0 2.5 3.0 3.5 4.0 -Na Mg Al Si P S Cl Ar0.9 1.3 1.6 1.9 2.2 2.5 3.0 -K Ca Br Kr

0.8 1.3 2.8 -Rb I Xe0.8 2.7 -Cs0.8

a. Nonpolar covalent c. Ionic

b. Polar covalent d. Can’t say based on the table alone

Predict what kind of bond will form between potassium and chlorine

Question 49

1 / 1A Electronegativity 18 / 8AH He

2.1 2 / 2A 13 / 3A 14 / 4A 15 / 5A 16 / 6A 17 / 7A -Li Be Groups B C N O F Ne

1.0 1.6 3 - 12 2.0 2.5 3.0 3.5 4.0 -Na Mg Al Si P S Cl Ar0.9 1.3 1.6 1.9 2.2 2.5 3.0 -K Ca Br Kr

0.8 1.3 2.8 -Rb I Xe0.8 2.7 -Cs0.8

a. F-F c. Ca-Ob. F-O d. K-F

Predict which of the following pairs of elements would form the most ionic bond (i.e. the greatest difference in electronegativity).

Question 49

1 / 1A Electronegativity 18 / 8AH He

2.1 2 / 2A 13 / 3A 14 / 4A 15 / 5A 16 / 6A 17 / 7A -Li Be Groups B C N O F Ne

1.0 1.6 3 - 12 2.0 2.5 3.0 3.5 4.0 -Na Mg Al Si P S Cl Ar0.9 1.3 1.6 1.9 2.2 2.5 3.0 -K Ca Br Kr

0.8 1.3 2.8 -Rb I Xe0.8 2.7 -Cs0.8

a. F-F c. Ca-Ob. F-O d. K-F

Predict which of the following pairs of elements would form the most ionic bond (i.e. the greatest difference in electronegativity).

Question 50

1 / 1A Electronegativity 18 / 8AH He

2.1 2 / 2A 13 / 3A 14 / 4A 15 / 5A 16 / 6A 17 / 7A -Li Be Groups B C N O F Ne

1.0 1.6 3 - 12 2.0 2.5 3.0 3.5 4.0 -Na Mg Al Si P S Cl Ar0.9 1.3 1.6 1.9 2.2 2.5 3.0 -K Ca Br Kr

0.8 1.3 2.8 -Rb I Xe0.8 2.7 -Cs0.8

a. Ionic c. Nonpolar covalentb. Polar covalent d. Metallic

Magnesium fluoride is held together by this kind of bond

Question 50

1 / 1A Electronegativity 18 / 8AH He

2.1 2 / 2A 13 / 3A 14 / 4A 15 / 5A 16 / 6A 17 / 7A -Li Be Groups B C N O F Ne

1.0 1.6 3 - 12 2.0 2.5 3.0 3.5 4.0 -Na Mg Al Si P S Cl Ar0.9 1.3 1.6 1.9 2.2 2.5 3.0 -K Ca Br Kr

0.8 1.3 2.8 -Rb I Xe0.8 2.7 -Cs0.8

a. Ionic c. Nonpolar covalentb. Polar covalent d. Metallic

Magnesium fluoride is held together by this kind of bond