WorksheetsCHEM I Test Review
Total questions: 35
Worksheet time: 18mins
Where are the metals located?
A
B
C
D
Which arrow represents the groups?
A
B
C
D
Who is the father of the modern periodic table?
Alan Shepard
Albert Einstein
Dmitri Mendeleev
Edwin Hubble
If you know the number of electrons. You also know the number of what?
Neutrons
Protons
Atomic Mass
Year of discovery
For 8th Grade Science purposes only. We do what with the atomic mass?
Work with the decimal number
Round the mass number either up or down
Ignore and use the best guess number
Add the number of protons and electrons
What is the number of protons for this element?
14
14.007
7
15
An atom of which element is represented in the model shown?
Chlorine
Oxygen
Neon
Sulfur
If you have an atom with 36 protons, 48 neutrons and 36 electrons what is the charge of the nucleus?
-48
-36
+48
+36
What is the difference between the number of protons in an atom of Oxygen and the number of protons in an atom of Chlorine?
-3
9
19
0
Which element is most reactive?
What element is in period 3 , group 6?
Chromium (Cr)
Thallium (Tl)
Oxygen (O)
Sulfur (S)
The atoms of a certain element each contain 19 protons and 1 valence electron. Which statement correctly identifies this element and describes its chemical reactivity?
The element is Potassium and is very, very reactive.
The element is Fluorine and is very reactive.
The element is potassium and is not reactive.
The element is Sodium and is very, very reactive.
How many valence electrons are in an atom of each element in Group 13 in the periodic table?
1
2
3
4
How many protons, neutrons and electrons are present in an atom of silver (Ag) with a mass of 109?
47 Protons
47 Neutrons
47 Electrons
47 Protons
94 Neurtons
47 Electrons
40 Protons
7 Neutrons
47 Electrons
47 Protons
62 Neutrons
47 Electrons
What group does the element belong to?
1
8
4
6
Which two elements are in the same period?
Calcium (Ca)
Magnessium (Mg)
Phosphorus (P)
Arsenic (As)
Arsenic (As)
Potassium (K)
Sodium (Na)
Potassium (K)
Where are the non metals located?
A
B
C
D
If you know the atomic number you also know the?
The number of valence electrons
The number of neutrons
The number of electrons
The number of energy levels
If you know the group, you also know the number of
valence electrons
valence protons
rounding
valence neutrons
Where is the mass of an atom located?
nucleus
first energy level
electron cloud
Neutrons Only
A negative ( - ) sign belongs in location?
A
B
C
Which period and group does Aluminum (Al) belong to?
period 1 and group 2
period 2 and group 1
period 5 and group 6
period 3 and group 3
Which arrow shows the periods on the periodic table?
A
B
C
D
Elements that are easily flattened into sheets are called
MALLEABLE
CRUMBLE
BRITTLE
SHINY
Element A and Element B have the same number of valence electrons. These elements both have similar chemical behavior, but Element A has fewer energy levels than B.
Which statement best describes the positions of the two elements in the periodic table?
The two elements are in the same period, with Element A the left.
The two elements are side by side in the same period, with Element B to the left .
The two elements are in the same group, with Element B above Element A.
The two elements are in the same group, with Element A at the top of the group .
Where is the mass almost zero?
H
J
K
Those elements that divide the metals from the non-metals is located at which location?
A
B
C
D
What is the mass of the element given rounded?
15.1
15
16
16.999
Which element is located in period five and group 6
Lead (Pb)
Tellurium (Te)
Bismuth (Bi)
Tungsten (W)
Which two elements are in the same group?
Iodine (I)
Fluorine (F)
Potassium (K)
Calcium (Ca)
Gallium (Ga)
Carbon (C)
Zinc (Zn)
Tin (Sn)
The atom of the element shown has 12 neutrons. What is the mass of an atom of the element?
11
12
23
22
The element in period 2 and group 3 has how many valence electrons?
2
5
3
11
An element in period four group six has how many energy levels?
4
34
6
80
Where are the most stable (or inert) elements located?
Group 1
Group 4
Group 7
Group 8
An atom consists mostly of empty space with -
a loosely packed nucleus with electrons and protons orbiting the nucleus
a nucleus densely packed with protons and neutrons and orbiting electrons
a nucleus packed with negative electrons and orbiting neutral neutrons
a negatively charged nucleus with positively charged electron cloud
