Review Questions For Ionic And Covalent Bonding Quiz Page 2
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11)
Which type of bond is formed between the
17) Given the reaction:
carbon and oxygen atoms in a CO 2 molecule?
H 2 + Cl 2 ‡‡ˆ 2HCl
A) nonpolar covalent
B) electrovalent
best
Which of the following statements
C) polar covalent
describes the energy change as bonds are
D) ionic
formed and broken in this reaction?
A) The breaking of the Cl‡‡Cl bond releases
12) The electronegativity value of an element is a
energy.
measure of the atoms
B) The forming of the H‡‡Cl bond absorbs
A) degree of stability
energy.
B) ability to attract protons
C) The forming of the H‡‡Cl bond releases
C) degree of conductivity
energy.
D) ability to attract electrons
D) The breaking of the H‡‡H bond releases
energy.
13) The bonds present in silicon carbide (SiC) are
A) London dispersion
18) What type of bonds are formed when two non-
B) covalent
metal atoms combine?
C) metallic
A) network bonds
D) ionic
B) ionic bonds
C) covalent bonds
14) Which formula represents a tetrahedral
D) metallic bonds
molecule?
A) CH 4
C) HBr
19) What type of bonds are formed when calcium
B) Br 2
D) CaCl 2
atoms react with oxygen atoms?
A) hydrogen
15) What type of bonds are formed when metal
B) coordinate covalent
atoms combine with nonmetal atoms?
C) ionic
A) non-polar covalent bonds
D) polar covalent
B) polar covalent bonds
C) ionic bonds
least
20) Which atom has the
attraction for the
D) metallic bonds
electrons in a bond between that atom and an
atom of hydrogen?
16) A molecule with the electron-dot formula
A) fluorine
C) nitrogen
B) oxygen
D) carbon
is
A) polar
C) symmetrical
B) nonpolar
D) linear
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