WorksheetsElectron Dot Diagrams
Total questions: 13
Worksheet time: 13mins
Name
Class
Date
1.
This could be the dot diagram of
a)
Mg
b)
Cl
c)
C
d)
O
2.
This is a correct dot diagram for nitrogen (N)
a)
true
b)
false
3.
This is a correct dot diagram for neon (Ne)
a)
true
b)
false
4.
Which of these is incorrect?
a)
b)
5.
What are valence electrons?
a)
The total number of electrons in an atom
b)
The number of electrons in the outermost shell
c)
The number of electrons in the second shell
d)
The number of protons in the outermost shell
6.
What are the elements (Be, Mg, Ca,...) in Group 2 called?
a)
Alkali metals
b)
Alkaline earth metals
c)
Halogens
d)
Noble Gases
7.
Elements that have atoms with full valence shells in the ground state are in
a)
Group 1
b)
Group 2
c)
Group 17
d)
Group 18
8.
This could be the dot diagram of
a)
P
b)
Ar
c)
Na
d)
B
9.
Most elements will gain or lose electrons so that they end up with _______ valence electrons.
a)
2
b)
6
c)
8
d)
10
10.
This could be the dot diagram of an element with the atomic number
a)
8
b)
31
c)
19
d)
36
11.
How do positive ions form?
a)
by gaining electrons
b)
getting compliments
c)
by losing electrons
d)
gaining more protons
12.
Which of these is correct?
a)
b)
c)
13.
This could be the dot diagram of
a)
Ne
b)
Si
c)
Al
d)
Be
100 %
