WorksheetsChapter 4 ...Atoms, Ionic, Covalent, and Bonding in Metals
Total questions: 40
Worksheet time: 1hrs 6mins
Name
Class
Date
1.
An atom's valence electrons are those electrons that have the HIGHEST energy
a)
True
b)
False
2.
Atoms tend to be stable and nonreactive if they have SIX valence electrons.
a)
True
b)
False
3.
In the periodic table, the number of valence electrons in each element DECREASES from left to right across each period.
a)
True
b)
False
4.
The reactivity of a metal depends on how easily it LOSES its valence electrons.
a)
True
b)
False
5.
Within each PERIOD in the periodic table, elements have similar properties because they have the same number of valence electrons.
a)
True
b)
False
6.
The number of ___________ in the atom of an element determines its chemical properties.
a)
valence electrons
b)
atoms
7.
The columns in the periodic table are called ___________.
a)
groups
b)
periods
8.
A(n) ___________ shows the number of valence electrons in an atom in pictorial fashion.
a)
chemical bond
b)
electron dot diagram
9.
The attractive force that holds two atoms together is called a(n) _______________.
a)
electron dot diagram
b)
chemical bond
10.
Because it can either lose or share electrons when it combines with other elements, each __________ has some of the properties of metals and some of the properties of nonmetals.
a)
metalloids
b)
alloys
11.
Ionic bonds form between two ions that have...
a)
ionic compounds
b)
negative charges
c)
positive charges
d)
opposite charges
12.
Ions that are made of more than one atom are called...
a)
ionic compounds
b)
crystals
c)
polyatomic atoms
d)
ionic bonds
13.
Which is most likely to form a negative ion...
a)
an element from Group 17
b)
a metal
c)
an element from Group 1
d)
an element with atoms that have eight valence electrons
14.
Which of the following is the correct name for MgCl2....
a)
Magnesium Clorine
b)
Magnesium Dicholorine
c)
Magnesium Cloride
d)
Magnesium Dichloride
15.
A(n) _____________ is an atom or group of atoms that has an electric charge.
a)
ion
b)
electron
16.
The attraction between oppositely charged ions is called a(n) _______________.
a)
ionic bond
b)
polyatomic ion
17.
When an atom loses a valence electron, it becomes a(n) _________ion.
a)
positive
b)
negative
18.
In order to have a stable arrangement of 8 valence electrons, metal atoms are likely to _________electrons.
a)
gain
b)
lose
19.
In an ionic compound, the total positive charge of all the positive ions ___________ the total negative charge of all the negative ions.
a)
equals
b)
is more than
20.
Because the force of attraction between the positive and negative ions is so strong, ionic compounds have _________ melting points.
a)
high
b)
low
21.
In an electron dot diagram, two pairs of shared electrons represents a ...
a)
single bond
b)
double bond
c)
triple bond
d)
quadruple bond
22.
A Nitrogen molecule (N2) has one triple bond. How many electrons do the nitrogen atoms share?
a)
1
1
1
b)
3
c)
4
d)
6
23.
Compared to ionic compounds, molecular compounds generally have...
a)
good conductivity
b)
greater densities
c)
more chemical bonds
d)
a low boiling point
24.
Compared to ionic compounds, molecular compounds generally have...
a)
stronger chemical bonds
b)
poor conductivity
c)
a high melting point
d)
lower densities
25.
The chemical bond formed when two atoms share electrons is called a(an) IONIC bond.
a)
True
b)
False
26.
Covalent bonds usually form when a nonmetal combines with a(an) METAL.
a)
True
b)
False
27.
A(n) ION is a neutral group of atoms joined by covalent bonds.
a)
True
b)
False
28.
If a molecule contains polar bonds, the molecule MAY OR MAY NOT be polar overall.
a)
True
b)
False
29.
In a(an) POLAR bond, one atom pulls on the shared electrons more than the other atom.
a)
True
b)
False
30.
The forces between molecules are much STRONGER than the forces between ions.
a)
True
b)
False
31.
Why are alloys generally used to make everyday objects?
a)
Alloys are often stronger and less active than pure metals.
b)
Alloys have higher melting point than pure metals.
c)
Alloys are less expensive to produce than pure metals.
d)
Alloys have ionic bonds instead of metallic bonds.
32.
Metallic bonding is...
a)
a type of covalent bond.
b)
a type of ionic bond.
c)
an attraction between positive and negative ions.
d)
an attraction between positive ions and electrons.
33.
Which of the following is NOT a property of a metal?
a)
ductile
b)
good electrical conductor
c)
good thermal insulator
d)
malleable
34.
At room temperature, most metals are
a)
liquid
b)
solid
c)
gas
d)
an alloy
35.
An attraction between a positive metal ion and surrounding electrons is a(n) ____________bond.
a)
metallic
b)
ionic
36.
Metals typically have ____________melting points.
a)
High
b)
Low
37.
The metal fins that cool a motorcycle's engine make use of the high _____________conductivity of metals.
a)
thermal
b)
electrical
38.
Metals are often used to make wire because they are
a)
malleable
b)
ductile
39.
Metals are used in electrical wires because they have a high ____________conductivity.
a)
electrical
b)
thermal
40.
Nonmetals are unlikely to form metallic bonds because their ____________ are strongly held.
a)
positive ions
b)
valence electrons
100 %
