Section 9.1
Bonding of Atoms
Practice Test
1.
Atoms that share electrons form __________ bonds.
a.
covalent
b.
ionic
c.
quantitative
d.
quartets
Hint
2.
Chemical bonding results in ________________.
a.
increased stability
b.
longer bond lengths
c.
decreased stability
d.
lower density
Hint
3.
_____________ is the measure of an atom's ability to attract electrons in a bond.
a.
Electronegativity
b.
Ionic radius
c.
melting point
d.
Shielding
Hint
4.
An intermediate difference in electronegativity results in a/an ___________________ bond.
a.
polar covalent
b.
ionic
c.
covalent
d.
weak
Hint
5.
The shielding effect is the tendency of inner energy level electrons to block the attraction of the nucleus for ________________.
a.
neutrons
b.
other atoms
c.
protons
d.
valence electrons
Hint
6.
___________ sharing of electrons results in ionic bonding.
a.
Electronegative
b.
Equal
c.
Highly unequal
d.
Slightly unequal
Hint
7.
Covalent bonding results when this element reacts with fluorine.
a.
iron
b.
lithium
c.
oxygen
d.
potassium
Hint
8.
An arrow points in the direction of the _______________ of a polar covalent molecule.
a.
bottom
b.
center
c.
negative end
d.
positive end
Hint
9.
In general, _________ are malleable and ductile.
a.
metals
b.
nonmetals
c.
metalloids
d.
noble gases
Hint
10.
A chemical bond that results from a shared pool of valence electrons is called a ____________ bond.
a.
metallic
b.
ionic
c.
polar covalent
d.
directional
Hint
11.
When strontium atoms react with oxygen atoms, they form __________ bonds.
a.
ionic
b.
covalent
c.
polar covalent
d.
triple
Hint
12.
In general, electronegativity ___________ atomic number within a period.
a.
increases with
b.
remains constant with
c.
decreases with
d.
is inversely proportional to
Hint
