CHAPTER 7 QUIZ
NAME:
MATCHING (1 MARK EACH)
1.__V__Positively charged particle.
A) +
2.__K__Negatively charged particle.
B) electron microscope
3.__I__Particle with no charge.
C) Ernest Rutherford
4.__Q__Invented the gas discharge tube.
D) anode
5.__L__Shoot electrons in a gas discharge tube.
E) Harry Potter
6.__D__Electrons are shot towards it in a gas discharge
F) television
tube.
G) atomic number
7.__S__Arranged the periodic table using chemical
H) Mr.Byblow
properties and atomic mass.
I) neutron
8.__R__Arranged the periodic table using periodicity.
J) 9.__G__The number of protons in the nucleus of an atom. K) electron
10._T__The number of protons and neutrons in the nucleus L) cathode
of an atom.
M) electron cloud
11._Y__Discovered radioactivity.
N) Darth Vader
12._C__Discovered three types of radiation.
O) chemical symbol
13._J__The charge on an “beta” particle.
P) 0
14._A__The charge on an “alpha” particle.
Q) Heinrich Geissler
15._P__The charge on an “gamma” particle.
R) Henry Moseley
16._M__The empty space around the nucleus containing S) Dimitri Mendeleev
electrons.
T) atomic mass
17._Z__The name that describes protons, neutrons,
U) chemical formula
and electrons.
V) proton
18._O__The short form way of representing an element. W) Mr.Frey
19._F__Gas discharge tubes helped to create this modern X) atomic formula
item.
Y) Marie Curie
20._B__Uses atomic research to magnify items 800,000
Z) subatomic particles
times.
MULTIPLE CHOICE (1 MARK EACH)
21. Which of the following is NOT a type of radiation?
a) delta
b) beta
c) alpha
d) gamma
D
22. Which scientist discovered the electron?
a) Geissler
b) Moseley
c) Rutherford
d) Thompson
D
23. Which statement is NOT true?
a) ALL ATOMS HAVE PROTONS AND NEUTRONS
b) ALL PROTONS ARE THE SAME, ALL ELECTRONS ARE THE SAME
c) PROTONS ARE POSITIVE, ELECTRONS ARE NEGATIVE
d) PROTONS HAVE EQUAL AND OPPOSITE CHARGES
e) PROTONS HAVE MORE MASS THEN ELECTRONS
A
24. What is an atom that has gained or lost neutrons?
a) anion
b) compound
c) isotope
d) cation
C
25. What do you do to calculate the number of neutrons?
a) atomic number + atomic mass
b) atomic number – atomic mass
c) atomic mass – atomic number
d) atomic mass + atomic number
C