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WorksheetsChemistry Unit Review
Total questions: 50
Worksheet time: 43mins
Name
Class
Date
1.
Each Column of the Periodic Table is called a...
a)
group
b)
period
c)
metal
d)
mass
2.
In what section would Noble Gases be found?
a)
white
b)
yellow
c)
blue
d)
red
3.
In what section would Transition Metals be found?
a)
orange
b)
light blue
c)
blue
d)
white
4.
The properties of an element can be predicted from...
a)
color
b)
location on Periodic Table
c)
educated guess
d)
atomic number
5.
Metalloids can be described as...
a)
same as nonmetals
b)
bad conductors
c)
characteristics of metals and nonmetals
d)
same as metals
6.
True or False: Elements in a group have the same number of electrons in their outer shell.
a)
true
b)
false
7.
True or False: Each row/period on the Periodic Table represents the number of energy levels present in an atom of the element.
a)
false
b)
true
8.
What section is the least reactive?
a)
yellow
b)
red
c)
dark blue
d)
orange
9.
In the modern periodic table elements are arranged by:
a)
atomic mass
b)
atomic number
c)
valence electrons
d)
number of isotopes
10.
The family in the periodic table that contains the most reactive metals is the_______
a)
Alkaline Earth Metals
b)
Transition Metals
c)
Alkali Metals
d)
Other Metals
11.
Particles in an atom's nucleus that are neutral and have no charge are
a)
megatrons.
b)
electrons.
c)
neutrons.
d)
protons.
12.
A negatively charged particle that moves around the nucleus is a(n)
a)
proton
b)
neutron
c)
electron
d)
quark
13.
The atomic number of this pictured element is
a)
28
b)
58.6934
c)
Ni
d)
Nickel
14.
Elements which are shiny, conduct electricity and heat are called
a)
metal
b)
nonmetal
c)
metalloid
d)
nonexistent
15.
What does the H stand for?
a)
Hydrogen
b)
atomic number
c)
atomic mass
d)
atomic explosion
16.
What does the 1 stand for?
a)
Hydrogen
b)
atomic number
c)
atomic mass
d)
atomic explosion
17.
What does the 1.00794 stand for?
a)
Hydrogen
b)
atomic number
c)
atomic mass
d)
atomic explosion
18.
The yellow atoms are called
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
19.
How many electrons does Si contain? (click to see image)
a)
14
b)
28
c)
2
d)
4
20.
How many valence electrons does Si contain? (click to see image)
a)
14
b)
28
c)
2
d)
4
21.
How many electrons can the first energy level hold?
a)
1
b)
2
c)
8
d)
0
22.
Electrons in the outermost energy level are called...
a)
valence electrons
b)
outer orbital electrons
c)
satalite electrons
23.
What will atoms do in order to get a full outer shell of electrons?
a)
gain electrons
b)
give away electrons
c)
share electrons
d)
all of the above
24.
When atoms gain or lose electrons the become...
a)
Ions
b)
Isotopes
c)
Neutral
25.
This type of bond is an attraction that holds negative and positive ions together.
a)
Ionic Bond
b)
Covalent Bond
c)
Metallic Bond
26.
This type of bond forms between nonmetal atoms when they share electrons.
a)
Ionic Bond
b)
Covalent Bond
c)
Metallic Bond
27.
How many valence electrons does nitrogen have?
a)
1
b)
3
c)
4
d)
5
28.
How many valence electrons does boron have?
a)
1
b)
3
c)
4
d)
5
29.
What element is represented in this Bohr Model?
a)
Carbon
b)
Hydrogen
c)
Aluminum
d)
Lithium
30.
?
a)
Helium
b)
Hydrogen
c)
Argon
d)
Silver
31.
Covalent bonds always form between a
a)
Nonmetal and nonmetal
b)
metal and nonmetal
c)
metal and metal
32.
What type of bond is formed between Li and I?
a)
covalent
b)
ionic
33.
What type of bond is formed between Carbon and Oxygen?
a)
covalent
b)
ionic
c)
metallic
34.
Why can metals be hammered without breaking?
a)
They are ductile
b)
They are brittle
c)
They are malleable
d)
Their particles are strong
35.
What type of bond is shown in the image?
a)
Hydrogen
b)
Ionic
c)
Covalent
36.
A _______ is a charged particle because it has more or fewer electrons than protons. When an atom _____ an electron, it becomes a positively charged ion. When an atom ____an electron, it becomes a negatively charged ion.
a)
isotope, gains, loses
b)
isotope, loses, gains
c)
ion, loses, gains
d)
ion, gains, loses
37.
The octet rules states that most elements want to have _____ valence electrons.
a)
2
b)
4
c)
6
d)
8
38.
The smallest particle of an element that shows all the properties of that element.
a)
Subatomic Particles
b)
Atom
c)
Quarks
d)
Gluons
39.
Discovered the electron within the atom
a)
Thomson
b)
Chadwick
c)
Schrodinger & Heisenberg
d)
Dalton
40.
Created the Planetary Model of the atom
a)
Bohr
b)
Dalton
c)
Rutherford
d)
Chadwick
41.
Who stated that atoms cannot be divided?
a)
Democritus
b)
Dalton
c)
Thomson
d)
Bohr
42.
How did Rutherford describe the nucleus?
a)
Tiny
b)
Dense
c)
Positively Charged
d)
all of the above
43.
Which of the following is NOT a characteristic of most metals?
a)
Brittle
b)
Good conductor
c)
Solid at room temperature
d)
Shiny
44.
Nonmetals are good conductors of heat and electricity.
a)
True
b)
False
45.
A chemist is identifying the elements present in a sample of seawater. What characteristic of an element's atoms always determines the element's identity?
a)
The number of neutrons.
b)
The number of protons.
c)
The number of valence electrons.
46.
In which region would the most reactive metals be found?
a)
1
b)
4
c)
5
d)
3
47.
In which region would the least reactive elements be found?
a)
1
b)
4
c)
3
d)
5
48.
Elements on the periodic table that have physical and chemical properties of both metals and nonmetals are called _____________.
a)
metals
b)
nonmetals
c)
metalloids
d)
transition elements
49.
Which element could be lustrous, brittle and a semiconductor?
a)
A
b)
B
c)
G
d)
L
50.
What is the name of the family that is highlighted?
a)
Alkali Metal Family
b)
Halogen Family
c)
Noble Gas Family
d)
Transition Metal Family
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