WorksheetsSeatwork #2
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
What is the lightest subatomic particle that moves around the nucleus?
a)
e-
b)
n0
c)
p+
2.
Which of the following is an ion?
a)
Carbon-12
b)
F
c)
Mg2+
d)
Rn
3.
What is the name of the element in the image?
a)
Neon
b)
Nitrogen
c)
Silicon
d)
Sodium
4.
How many neutrons are there in the notation?
a)
0
b)
11
c)
12
d)
23
5.
What is the atomic number in the notation?
a)
0
b)
11
c)
12
d)
23
6.
What is the mass number of the atom in the picture?
a)
8
b)
10
c)
12
d)
16
7.
What is the charge of the atom?
a)
2-
b)
0
c)
2+
8.
Which is the heaviest among the four isotopes below?
a)
Calcium-40
b)
Calcium-42
c)
Calcium-43
d)
Calcium-44
9.
The atom in the picture is a/an ___________.
a)
anion
b)
cation
c)
neutral atom
10.
How many electrons does the atom contain?
a)
18
b)
20
c)
22
d)
24
100 %
