WorksheetsChem - Unit 3 Quiz
Total questions: 21
Worksheet time: 14mins
Name
Class
Date
1.
Who discovered the electron?
a)
Democritus
b)
Dalton
c)
Thomson
d)
Rutherford
2.
Who's model of the atom does the picture represent?
a)
Dalton
b)
Thomson
c)
Rutherford
d)
Bohr
3.
Who stated that the electrons would orbit the nucleus like planets orbit the sun?
a)
Dalton
b)
Thomson
c)
Rutherford
d)
Bohr
4.
Who discovered the nucleus?
a)
Dalton
b)
Thomson
c)
Rutherford
d)
Bohr
5.
What is the name of this model of the atom?
a)
Thomson's Model
b)
Plum Pudding Model
c)
Electron Cloud Model
d)
Bohr Model
6.
What is the atomic number?
a)
Number of protons
b)
Number of protons and neutrons
c)
Number of neutrons
d)
Number of protons and electrons
7.
What do all isotopes of the same element have in common?
a)
Same number of neutrons
b)
Same number of protons and neutrons
c)
Same number of protons
d)
Same number of neutrons and electrons
8.
What is the name of this model of the atom?
a)
Dalton's Model
b)
Thomson's Model
c)
Electron Cloud Model
d)
Rutherford's Model
e)
Bohr's Model
9.
What is the atomic number for this isotope?
a)
9
b)
10
c)
19
d)
28
10.
How many protons does this element have?
a)
9
b)
10
c)
19
d)
28
11.
How many electrons does this element have?
a)
9
b)
10
c)
19
d)
28
12.
How many neutrons does this element have?
a)
9
b)
10
c)
19
d)
28
13.
What is the atomic number for Tin - 119?
a)
50
b)
69
c)
119
d)
169
14.
What is the mass number for Tin - 119?
a)
50
b)
69
c)
119
d)
169
15.
How many protons are in Tin - 119?
a)
50
b)
69
c)
119
d)
169
16.
How many neutrons are in Tin - 119?
a)
50
b)
69
c)
119
d)
169
17.
Silicon has 3 isotopes. Which of the following isotopes would occur the most in nature?
a)
Silicon - 28
b)
Silicon - 29
c)
Silicon - 30
18.
What is the full name of this element?
(a)
19.
Determine the charge for each subatomic particle.
a)
Proton
1.
Positive
b)
Neutron
2.
Neutral
c)
Electron
3.
Negative
20.
Match the following scientists with their major discoveries
a)
First philosophized the idea of atoms
1.
Democritus
b)
First developed the concept of atoms into a theory
2.
John Dalton
c)
First to discover the electron
3.
J.J. Thompson
d)
First to discover the proton
4.
Ernest Rutherford
e)
First to discover the neutron
5.
James Chadwick
21.
Determine the correct location of each subatomic particle.
Proton (a)
Neutron (b)
Electron (c)
Choose from the below words
Nucleus
Outside the Nucleus
100 %
