WorksheetsValence Electrons & Ionic Bonds
Total questions: 26
Worksheet time: 27mins
Name
Class
Date
1.
a)
2
b)
3
c)
5
2.
a)
15
b)
16
c)
5
d)
6
3.
a)
38
b)
2
c)
5
d)
40
4.
How many electrons should Lithium have around its Lewis dot model?
a)
1
b)
2
c)
3
d)
4
5.
How many electrons should Nitrogen have around its Lewis dot model?
a)
1
b)
3
c)
4
d)
5
6.
How many electrons should Flourine have around its Lewis dot model?
a)
5
b)
6
c)
7
d)
8
7.
Rows on the period table are called _____ while columns are called _____.
a)
groups, families
b)
groups, periods
c)
periods, groups
d)
families, groups
8.
What is the name of the group that never reacts--ever ever they are stable with a full outermost ring!!!
a)
noble gases
b)
transition
c)
halogens
d)
borons
9.
What's a valence electron?
a)
electrons in the second energy level
b)
electrons in the outermost energy level
c)
the atomic number
d)
electrons in the first level
10.
This is a correct dot diagram for neon (Ne)
a)
True
b)
False
11.
This is a correct dot diagram for magnesium (Mg)
a)
true
b)
false
12.
This is a correct dot diagram for nitrogen (N)
a)
true
b)
false
13.
What are ionic bonds?
a)
valence electrons transferred between atoms
b)
Inner most electrons transferred between atoms
14.
Why do ionic bonds form?
a)
so the number of protons equals the number of electrons
b)
to fill the outermost energy level
c)
so an atom can become unstable
15.
An electron has what kind of charge?
a)
no charge
b)
positive
c)
negative
d)
it depends
16.
When the number of electrons equals the number of protons the atom has what charge?
a)
sponge bob
b)
positive charge
c)
negative charge
d)
neutral charge
17.
Atoms that gain electrons become...
a)
negatively charged
b)
positively charged
c)
remain neutrally charged
d)
21
18.
Atoms that lose electrons become...
a)
negatively charged
b)
postively charged
c)
remain neutral, no charge
d)
losers
19.
If an oxygen atom has 8 protons (+) and 10 electrons (-), what is it's charge?
a)
O10-
b)
O8+
c)
O2-
d)
O10+
20.
What is the charge on a chloride ion?
a)
-1
b)
1
c)
+2
d)
+1
21.
What is the charge on an Aluminium ion?
a)
3
b)
+3
c)
+2
d)
+1
22.
Sodium and Metal
a)
Will form Ionic Bond
b)
Will NOT form Ionic Bond
23.
Sodium and Group 17
a)
Will form Ionic Bond
b)
Will NOT form Ionic Bond
24.
Carbon is in group 14 it has ____valence electrons
a)
6
b)
2
c)
4
d)
14
25.
a)
14
b)
4
c)
3
d)
28
26.
a)
35
b)
4
c)
7
d)
17
100 %
