Chemical Bonding Flashcards

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1
Q

Which of the following is a typical property of an ionic compound?

A. Poor conductor of electric current when melted
B. Tendency to shatter when struck
C. Low melting point
D. All of the above

A

B. Tendency to shatter when struck

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2
Q

You see a structural formula in which the symbols for elements are connected by a long dash. You can assume that the chemical bonds in the compound are:
A. Ionic B.metallic
C. Unstable D. Covalent

A

D. Covalent

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3
Q

Fluorine,F, forms a binary ionic compound with lithium, Li. What is the name of this compound?

A. Fluorine lithium B. Lithium fluorine
C. Lithium fluoride D. Fluorine lithide

A

C. Lithium Fluoride

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4
Q

In a covalent bond,

A. Electrons are not shared between atoms
B. Electrons are transferred between atoms
C. A cation is bonded to an anion
D. Two atoms share one or more pairs of electrons

A

D. Two atoms share one or more pairs of electrons

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5
Q

Metallic Bonding is similar to ionic Bonding because

A. Electrons are transferred between atoms
B. Positively charged actions are formed.
C. The lattice that forms contains anions and cations.
D. Electrons are shared between atoms

A

B. Positively charged cations are formed

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6
Q

Which statement about metals is true?
A. Generally, metals have a low melting point.
B. The bonds within a metal lattice are weak.
C. Electrons in a metal lattice are free to move.
D. A metal lattice is extremely rigid.

A

C. Electrons in a metal lattice are free to move.

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7
Q

Metallic Bonding is similar to Covalent Bonding because
A. Positively charged cations are formed.
B. The lattice that forms contains anions and cations.
C. Electrons are shared between atoms.
D. Electrons are transferred between atoms.

A

C. Electrons are shared between atoms

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8
Q

The elements most likely to form more than one type of ion are the

A. Alkaline Earth Metals
B. Transition metals
C. Halogens
D. Alkali metals

A

B. Transition metals

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9
Q

The formation of an ionic bond involves the

A. Transfer of neutrons
B. Transfer of electrons
C. Transfer of protons
D. Sharing of electrons

A

B. Transfer of electrons

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10
Q
In the name carbon dioxide the prefix of the second word indicates that a molecule of carbon dioxide contains
A. Two atoms
B. A polyatomic ion
C. An ionic bond
D. Two oxygen atoms
A

D. Two oxygen atoms

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11
Q
The name chromium (II) indicates that a compound contains 
A. Chromium ions with an 11+ charge
B. Two types of chromium ions
C. Chromium ions with a 2+ charge 
D. Chromium ions with a negative
A

C. Chromium ions with a 2+ charge

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12
Q

Alkali metals, alkaline earth metals, and aluminum all form ions with positive charges equal to the

A. Atomic mass
B. Group number
C. Atomic number
D. Period

A

B. Group number

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13
Q

In the compound AlCl3, the subscript 3 indicates that
A. There are theee aluminum ions for each ion of chlorine
B. The chloride ion has three times the size of aluminum ion
C. Aluminum and chlorine form a triple covalent bond
D there are three chloride ions for each aluminum ion

A

D. There are three chloride ions for each aluminum ion

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14
Q

Thee formula for a compound formed from Barium and Selenium would have the formula ______________.

A

BaSe

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15
Q

If there are two long dashes between two atoms in a structural formula, molecules of the compound contain a(an) _____________bond.

A

Double

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16
Q

The typical properties of metals come from the ____________of electrons within a metallic bond.

A

Freedom

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17
Q

What is the formula SO(subscript 3) called?

A

Surfer trioxide

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18
Q

In a binary ionic compound potassium bromide, KBr, the element that forms the cation is_______________?

A

Potassium

19
Q

A polar bond that forms when ______________ are shared equally between atoms.

A

Electrons

20
Q

In the ionic compound, the sum of the charges of all the cations and anions must be___________?

A

Neutral

21
Q

The formula for a compound formed from iodine and barium would have the formula_________?

A

BaI2 (subscript 2)

22
Q

When calcium and oxygen react, they form an ionic compound called________________?

A

Calcium oxide

23
Q

What creates bonds that can be single, double or triple?

A

Covalent

24
Q

What creates a molecule?

A

Covalent bond

25
Q

Bonds a metal to a nonmetal

A

Ionic bond

26
Q

Creates an electron sea

A

Metallic bond

27
Q

Creates substances that can be solids, liquids, or gases

A

Covalent bond

28
Q

Creates substances that are always good conductors of heat and electricity

A

Metallic bond

29
Q

Creates substances that dissolve easily

A

Ionic bond

30
Q

Forms a crystal lattice

A

Ionic bond

31
Q

An atom with a net positive or negative charge

A

Ion

32
Q

The attraction between the nucleus of one atom and the valence electrons of another atom

A

Covalent bond

33
Q

An atom with a net positive charge because it has lost electrons

A

Cation

34
Q

A covalently bonded group of atoms with a net positive or negative charge act as a unit

A

Polyatomic ion

35
Q

Occurs when a pair of valence electrons are not shared equally

A

Polar covalent bond

36
Q

A neutral group of atoms that are held together by one or more covalent bonds

A

Molecule

37
Q

The attraction between atoms with opposite charges

A

Ionic bond

38
Q

An atom with a negative charge because it has gained electrons

A

Anion

39
Q

A notation that shows what elements a compound contains and the ratio of the atom in the compound

A

Chemical formula

40
Q
Rubidium has a charge of what?
A. +1
B.+2
C. +3
D. -1
E. -2
F. -3
A

A. +1

41
Q
Sulfur has a charge of what?
A. -1
B.-2
C.-3
D.+1
E.+2
F.+3
A

B.-2

42
Q
Beryllium has a charge of what?
A. -1
B. -2
C. +1
D. +2
A

D. +2

43
Q
Cobalt (III) has a charge of What?
A. +1
B+2
C. +3
D. +4
A

C. +3

44
Q
Bromine has a charge of?
A. -1
B.+1
C. -2 
D. +2
A

A.-1