WorksheetsElements and Periodic Table Unit Test
Total questions: 30
Worksheet time: 3600secs
Name
Class
Date
1.
The smallest particles of an element that still have the element’s properties are
a)
quarks
b)
gluons
c)
protons
d)
atoms
2.
Which statement is true about the nucleus of an atom?
a)
It makes up most of the atom’s volume
b)
It makes up most of the atom’s mass
c)
It contains protons and electrons
d)
It is neutral in electric charge
3.
The mass number of an atom is its number of
a)
electrons
b)
protons
c)
neutrons
d)
protons + neutrons
4.
When a fluorine atom gains an electron, it becomes a(n)
a)
positive ion
b)
negative ion
c)
isotope
d)
atom
5.
Electrons have the same mass as protons
a)
True
b)
False
6.
Atoms of a given element all have the same number of
a)
protons
b)
neutrons
c)
electrons
d)
two of the above
7.
Rutherford’s research involved
a)
Vacuum Tubes
b)
Gold Foil
c)
Electron Shells
d)
None of the above
8.
Protons and neutrons have the same mass
a)
True
b)
False
9.
Mendeleev organized the elements based on their
a)
Atomic Number
b)
Number of Protons
c)
Atomic Mass
d)
Number of Neutrons
10.
In the modern periodic table, atomic number
a)
increases from top to bottom within each period
b)
increases from left to right within each group.
c)
two of the above
d)
none of the above
11.
The shortest period in the periodic table is period
a)
18
b)
7
c)
6
d)
1
12.
All but one of the elements on the left side of the periodic table are
a)
metalloids
b)
nonmetals
c)
metals
d)
gases
13.
Which statement is true about any group in the periodic table?
a)
It includes metals, metalloids, and nonmetals
b)
It includes elements with similar properties.
c)
It includes gases, liquids, and solids
d)
It contains 18 different elements
14.
Mendeleev left spaces in his periodic table for unknown elements
a)
True
b)
False
15.
Elements in the same period of the periodic table have similar properties.
a)
True
b)
False
16.
A nonmetal is an element that
a)
exists only as a gas or liquid
b)
is completely unreactive
c)
cannot conduct electricity
d)
is shiny and malleable
17.
Which statement about valence electrons is true?
a)
They are located in the outer energy level of an atom
b)
They are potentially involved in chemical reactions
c)
They determine whether an element can conduct electricity
d)
all of the above
18.
If an element is malleable, this means that it can
a)
be formed into long thin shapes like wires
b)
formed into thin sheets without breaking
c)
be used to conduct electric current
d)
used as an electric insulator
19.
Elements with eight valence electron are unreactive
a)
True
b)
False
20.
Fluorine (F) is an example of a metalloid
a)
True
b)
False
21.
Nonmetals tend to give up electrons
a)
True
b)
False
22.
Which groups of the periodic table contain one or more metalloids?
a)
groups 1–2
b)
groups 3–12
c)
groups 13–16
d)
groups 17–18
23.
Which statement is true about the modern periodic table?
a)
Its periods vary in how many elements they contain
b)
It has more groups than Mendeleev’s table
c)
It includes more than 100 elements represented
d)
all of the above
24.
Within any group of the periodic table, there are elements
a)
in all three states at room temperature
b)
in all three classes of elements
c)
with the same number of valence electrons
d)
with the same number of protons
25.
Which of the following elements is a metalloid?
a)
Si
b)
Au
c)
S
d)
Ag
26.
A certain element is a malleable solid at room temperature. Which of the following elements could it be?
a)
Al
b)
B
c)
C
d)
none of the above
27.
All chemical symbols have two letters.
a)
True
b)
False
28.
Metals are good conductors of heat
a)
True
b)
False
29.
Noble gases are used in light bulbs because they are very reactive.
a)
True
b)
False
30.
Which is more reactive than F
a)
He
b)
Ne
c)
O
d)
none of the above
100 %
