NEW
Font size
S
M
L
XL
WorksheetsChapter 17 8th Grade Science Putman
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
Each inner energy level of an atom has a maximum number of ____ it can hold.
a)
electrons
b)
neutrons
c)
quarks
d)
protons
2.
Dot diagrams are used to represent ____.
a)
outer level electrons
b)
atomic mass
c)
isotopes
d)
atomic numbers
3.
Particles of matter that make up protons and neutrons are ____.
a)
isotopes
b)
electrons
c)
quarks
d)
atoms
4.
A chemical symbol represents the ____ of an element.
a)
name
b)
structure
c)
reaction
d)
group
5.
Horizontal rows of the periodic table are called ____.
a)
groups
b)
families
c)
clusters
d)
periods
6.
Atoms of the same element with different numbers of neutrons are called ____.
a)
isotopes
b)
radioactive elements
c)
metalloids
d)
metals
7.
A particle that moves around the nucleus is a(n) ____.
a)
quark
b)
proton
c)
neutron
d)
electron
8.
Elements that are gases, are brittle, and are poor conductors at room temperature are ____.
a)
isotopes
b)
nonmetals
c)
metalloids
d)
metals
9.
A ____ is used to accelerate protons in the study of subatomic particles. a. c. b. d.
a)
tevatron
b)
television
c)
termanite
d)
technology
10.
A certain atom has 26 protons, 26 electrons, and 30 neutrons. Its mass number is ____. a. 26 c. 52 b. 30 d.
a)
26
b)
30
c)
53
d)
56
11.
Explain why the noble gases are stable.
a)
Complete outer Shell
b)
They are better than you
c)
They are royalty
d)
Better electrons
12.
Compare the masses of protons, electrons, and neutrons.
a)
Protons and neutrons are the same ,electrons have a smaller mass
b)
electrons are heaver
c)
protons are lighter
d)
neutrons are lighter
13.
Explain why some elements have one capital letter and others have a capital letter and one or two lowercase letters.
a)
They are more complicated
b)
there are only 26 letters and over 100 elements
c)
They are in Latin
d)
They are in Greek
14.
How are isotopes the same and how are they different?
a)
Same neutrons different atoms
b)
In the nucleus
c)
Same atoms,different neutrons
d)
Atoms are heaver than isotopes
15.
Describe where the electrons are in the atom.
a)
In the electron cloud
b)
In the nucleus
c)
In protons
d)
In quarks
16.
What is the symbol for silver?
a)
Ag
b)
Au
c)
S
d)
Si
17.
What is unusual about the structure of hydrogen-1?
a)
Has no proton
b)
Has no neutrons
c)
Has no electrons
18.
How many groups and how many periods make up the periodic table?
a)
18 Groups,7 Periods
b)
7 Groups,18 Periods
c)
7 Groups,7 Periods
d)
18 Groups,18 Periods
19.
Why was the periodic table so named?
a)
It has a repeating patterns
b)
It has no repeating pattern
c)
Has period in it's name
d)
it the best period
20.
Who developed the first periodic table?
a)
Mendeleev
b)
Einstein
c)
Dorkier
d)
Coach Putman
Reset
