Chemical Bonding Flashcards
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
B. Tendency to shatter when struck
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
D. Covalent
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
C. Lithium Fluoride
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
D. Two atoms share one or more pairs of electrons
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
B. Positively charged cations are formed
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.
C. Electrons in a metal lattice are free to move.
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.
C. Electrons are shared between atoms
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
B. Transition metals
The formation of an ionic bond involves the
A. Transfer of neutrons
B. Transfer of electrons
C. Transfer of protons
D. Sharing of electrons
B. Transfer of electrons
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
D. Two oxygen atoms
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
C. Chromium ions with a 2+ charge
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
B. Group number
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
D. There are three chloride ions for each aluminum ion
Thee formula for a compound formed from Barium and Selenium would have the formula ______________.
BaSe
If there are two long dashes between two atoms in a structural formula, molecules of the compound contain a(an) _____________bond.
Double
The typical properties of metals come from the ____________of electrons within a metallic bond.
Freedom
What is the formula SO(subscript 3) called?
Surfer trioxide
In a binary ionic compound potassium bromide, KBr, the element that forms the cation is_______________?
Potassium
A polar bond that forms when ______________ are shared equally between atoms.
Electrons
In the ionic compound, the sum of the charges of all the cations and anions must be___________?
Neutral
The formula for a compound formed from iodine and barium would have the formula_________?
BaI2 (subscript 2)
When calcium and oxygen react, they form an ionic compound called________________?
Calcium oxide
What creates bonds that can be single, double or triple?
Covalent
What creates a molecule?
Covalent bond
