WorksheetsPhysical Science Chapter 16
Total questions: 28
Worksheet time: 14mins
Name
Class
Date
1.
A(n) ______ is matter that is composed of one type of atom.
a)
compound
b)
mixture
c)
element
d)
molecule
2.
The smallest piece of an element that still retains the properties of the element is a(n) ______.
a)
atom
b)
molecule
c)
compound
d)
plasma
3.
The nucleus of an atom is ______ charged.
a)
positively
b)
liquid
c)
variably
d)
negatively
4.
Neutrons have ______ charge.
a)
positive
b)
negative
c)
variable
d)
no
5.
Electrons have ______ charge.
a)
positive
b)
negative
c)
variable
d)
no
6.
Protons have ______ charge.
a)
positive
b)
negative
c)
variable
d)
no
7.
True or False: Protons are made of neutrons.
a)
True
b)
False
8.
True or False: The number of protons in an atom is the mass number.
a)
True
b)
False
9.
Atoms of the same element with different numbers of neutrons are called _____________.
a)
ions
b)
isotopes
c)
groups
d)
rows
10.
An atom has 10 protons, 10 electrons, and 13 neutrons. Its mass number is _____.
a)
10
b)
20
c)
23
d)
33
11.
An atom has 10 protons, 10 electrons, and 13 neutrons. Its atomic number is _____.
a)
10
b)
20
c)
23
d)
33
12.
Most of the mass of an atom is found in the __________.
a)
electron cloud
b)
nucleus
c)
orbital
d)
atomic number
13.
How many outermost electrons to lithium and potassium have?
a)
8
b)
1
c)
3
d)
7
14.
Which group of elements on the peridoc table is unreactive?
a)
group 1
b)
group 2
c)
group 17
d)
group 18
15.
The element nickel has five naturally occuring isotopes. Which of the following describe the relationship of these isotopes?
a)
different mass, different atomic number
b)
different mass, same atomic number
c)
same mass, different atomic number
d)
same mass, same atomic number
16.
True or False: Quarks can be produced by bombarding protons with protons.
a)
True
b)
False
17.
How many neutrons does lead-207 have?
a)
82
b)
207
c)
125
d)
289
18.
Who developed the "billiard ball" model of the atom?
a)
Rutherford
b)
Garner
c)
Thomson
d)
Democritus
19.
Who developed the chocolate chip cookie dough model of the atom?
a)
Rutherford
b)
Garner
c)
Thomson
d)
Democritus
20.
Who discovered the atom has a positive center?
a)
Rutherford
b)
Garner
c)
Thomson
d)
Democritus
21.
What element is in the 5th period and in group 2?
a)
Ca
b)
Sr
c)
Ba
d)
Al
22.
Which element has 4 valence electrons?
a)
potassium
b)
silicon
c)
magnesium
d)
sulfur
23.
Which element has 8 valence electrons?
a)
helium
b)
lithium
c)
strontium
d)
neon
24.
What element is in group 18 and period 1?
a)
He
b)
Li
c)
Na
d)
K
25.
Horizontal rows on the periodic table are called ________.
a)
periods
b)
groups
c)
clusters
d)
squad
26.
Vertical columns on the periodic table are called ________.
a)
periods
b)
groups
c)
clusters
d)
squad
27.
Mendeleev first arranged the periodic table by increasing atomic ________.
a)
shape
b)
number
c)
mass
d)
row
28.
The current periodic table used today is arranged by increasing atomic _______.
a)
shape
b)
number
c)
mass
d)
row
100 %
