Deck 9: Chemical Bonds

Question 1

In an ionic compound, the metal

A)usually forms a negative ion.
B)takes the -ide ending.
C)has a Greek prefix like mono, di or tri.
D)is written first.

Answer 1

D

Question 2

The formation of a positive ion

A)occurs when an atom gains a proton.
B)involves a release of energy.
C)occurs when an electron is removed from an atom.
D)occurs in covalent bonding.

Answer 2

C

Question 3

Ionic bonds occur between atoms from adjacent groups.

Answer 3

False

Question 4

The breaking and making of chemical bonds can explain chemical reactions and energy flow.

Question 5

The subscript "2" in Mg(OH)₂tells you that the charge of the hydroxide ion is (-2).

Question 6

Atoms gain or lose electrons in order to attain a valence orbital arrangement like that of a noble gas.

Question 7

The amount of energy released when wood is burned is

A)greater than the amount of solar energy absorbed during its formation.
B)equal to the amount of solar energy absorbed during its formation.
C)less than the amount of solar energy absorbed during its formation.
D)greater or less than the amount of solar energy absorbed during its formation, depending on how it is burned.

Question 8

The formation of an ionic bond

A)involves a transfer of one or more electrons.
B)results in a release of energy.
C)helps atoms achieve a noble gas electron arrangement.
D)All of the above.

Question 9

A covalent bond is a shared pair of electrons.

Question 10

What type of chemical bond does the sharing of a pair of electrons form?

A)covalent
B)ionic
C)metallic
D)double

Question 11

An atom becomes a positive ion by gaining an electron.

Question 12

Ionic compounds are generally

A)white, crystalline solids.
B)gaseous substances.
C)syrupy liquids.
D)amorphous solids.

Question 13

The representative elements have one to eight valence electrons.

Question 14

The -ide ending in nitrogen dioxide tells you that this is an ionic compound.

Question 15

Evidence of a chemical reaction includes

A)a color change.
B)a change in temperature.
C)the production of a gas.
D)All of the above.

Question 16

Consider the electron dot diagram of the unknown element X: This atom would most likely

A)form an ion of +6 charge.
B)react with hydrogen to form H₂X.
C)lose two electrons when forming an ion.
D)form an ion of +2 charge.

Question 17

Atoms gain or lose electrons in chemical reactions in order to increase their energy state.

Question 18

The smallest unit of a covalent compound that still retains the properties of the compound is called a (an)

A)electron.
B)atom.
C)molecule.
D)dipole.

Question 19

Three hydroxide ions are needed to form a neutral ionic compound with an aluminum ion.

Question 20

Atoms that have eight valence electrons would tend to

A)be very reactive.
B)be inert.
C)form positive ions.
D)form negative ions.

Question 21

The element M forms a stable ionic compound MCl₂.If M were allowed to react with bromine, the resulting compound would have the formula

A)MBr.
B)M₂Br.
C)MBr₂.
D)there is not enough information to tell for sure.

Question 22

What is the correct name for the ionic compound, CaF₂?

A)calcium fluorine
B)calcium fluoride
C)calcium difluoride
D)monocalcium difluoride

Question 23

When atoms of non-metallic elements react with one another, they tend to seek stability by

A)acquiring a noble gas electron arrangement.
B)losing electrons.
C)forming ionic bonds.
D)None of the above.

Question 24

What is the correct name for the compound, CuCl₂?

A)copper chloride
B)copper dichloride
C)copper(II) chloride
D)copper chloride(II)

Question 25

Which combination of elements results in the formation of a white crystalline solid that dissolves to form a solution that conducts electricity?

A)metal and metal
B)non-metal and non-metal
C)metal and non-metal
D)metal and metalloid

Question 26

Atoms from an element in group VA are allowed to react with atoms from an element in group VIIIA.What type of compound is likely to form?

A)ionic
B)covalent
C)polar
D)None of the above.

Question 27

What is the formula when atoms of M and X (pictured below) react to form a stable ionic compound?

A)MX₃
B)M₃X
C)MX
D)MX₅

Question 28

What kind(s) of bonding takes place in NaOH?

A)covalent
B)ionic
C)metallic
D)both covalent and ionic

Question 29

A chemical bond that involves somewhat unequal sharing of electrons is called

A)ionic.
B)covalent.
C)polar.
D)coordinate.

Question 30

Atoms from an element in group IIA are allowed to react with atoms from an element in group VIIA.What type of compound is likely to form?

A)ionic
B)covalent
C)polar
D)None of the above.