WorksheetsCh 5 Periodic Law
Total questions: 68
Worksheet time: 5hrs 54mins
Name
Class
Date
1.
Which of the following will have a larger radius than Zinc?
a)
Gallium
b)
Aluminum
c)
Magnesium
d)
Strontium
2.
Which of the following will have a higher electronegativity than arsenic (As)?
a)
Carbon (C)
b)
Neon (Ne)
c)
Antimony (Sb)
d)
Germanium (Ge)
3.
Which of the following will have a lower ionization energy than Scandium (Sc)?
a)
Helium (He)
b)
Titanium (Ti)
c)
Calcium (Ca)
d)
Magnesium (Mg)
4.
As you move down the periodic table atoms get bigger. This is because ____________.
a)
The atoms have more mass.
b)
The atoms have more protons.
c)
The atoms have more energy levels
d)
The atoms have more neutrons
5.
As you move across the periodic table atoms tend to get smaller because, ______________.
a)
the atoms have more mass.
b)
the atoms have less mass
c)
the atoms have more protons.
d)
the atoms have less electrons.
6.
Electronegativity is...
a)
the ability of an atom to attract/ accept electrons
b)
the ability of an atom to lose electrons
c)
the energy required to remove an electron from a specific atom
d)
how easy it is to make friends.
7.
Ionization energy is...
a)
the energy required to add an electron to a specific atom
b)
how much energy it takes to remove an electron from an atom
c)
the energy required to shield the outer electrons from the nucleus
d)
a measure of the ability of an atom to attract electrons
8.
The atom with the largest atomic radius in Group 18 is -
a)
Ar
b)
He
c)
Kr
d)
Rn
9.
Which statement correctly and completely identifies a trend?
a)
Atomic radius decreases across a period and increases down a group.
b)
Electronegativity decreases across a period and decreases down a group.
c)
Ionization energy increases across a period and increases down a group.
d)
Ionic radius increases across a period and increases down a group.
10.
Electronegativity __________ from left to right within a period and __________ from top to bottom within a group.
a)
decreases, increases
b)
increases, increases
c)
increases, decreases
d)
stays the same, increases
11.
Atomic radius generally increases as we move __________.
a)
down a group and from right to left across a period
b)
up a group and from left to right across a period
c)
down a group and from left to right across a period
d)
up a group and from right to left across a period
12.
The tendency of an atom to attract electrons and acquire a negative charge
a)
electronegativity
b)
charge
c)
bonding ability
d)
electron configuration
13.
Vertical columns of elements (families) on the periodic table with similar properties
a)
groups
b)
periods
c)
quadrants
d)
rows
14.
Each Column of the Periodic Table is called a...
a)
group
b)
period
c)
metal
d)
mass
15.
In what section would Noble Gases be found?
a)
white
b)
yellow
c)
blue
d)
red
16.
True or False: The nonmetals are in the dark blue section
a)
true
b)
false
17.
Which section are the metals in?
a)
dark blue
b)
light blue
c)
purple
d)
pink
18.
What happens to the atomic number of elements as you move left to right, top to bottom on the Periodic Table?
a)
Increases
b)
Decreases
19.
Which group of the periodic table is composed of inert (not reactive) gases?
a)
alkali metals
b)
alkaline earth metals
c)
halogens
d)
noble gases
20.
Elements which are shiny, conduct electricity and heat are called
a)
metal
b)
nonmetal
c)
metalloid
d)
nonexistent
21.
Which is a halogen?
a)
Helium
b)
Chlorine
c)
Oxygen
d)
Neptune
22.
All alkali metals have --------------- electrons in their outermost shell.
a)
1
b)
2
c)
3
d)
4
23.
According to the Periodic Table of the Elements, which set of elements has similar properties?
a)
H, C, I
b)
He, H, Al
c)
He, Ne, Ar
d)
Na, Ca, Al
24.
Which of these elements has the SMALLEST atomic radius?
a)
H hydrogen
b)
Rb rubidium
c)
Li lithium
d)
Fr francium
25.
Which of these elements is the most electronegative?
a)
oxygen O
b)
tellurium Te
c)
Ne neon
d)
strontium Sr
26.
Which of these elements has the largest atomic radius
a)
Fr francium
b)
Ba barium
c)
As arsenic
d)
Rn radon
27.
The symbols W, X, Y, and Z represent four elements shown on the outline of a periodic table.
Which element has the highest electronegativity?
Which element has the highest electronegativity?
a)
W
b)
X
c)
Y
d)
Z
28.
Francium (Fr) has the lowest ionization energy in Group 1 because -
a)
it has the smallest number of valence electrons
b)
it has the greatest atomic mass
c)
it has the greatest number of protons, so it attracts its electrons the strongest
d)
its 1 valence electron is very far from the nucleus, so little energy is needed to remove it
29.
Which atom is larger?
a)
Ge
b)
Br
30.
Fluorine, chlorine, bromine, and iodine all have the same number of valence electrons and have a tendency to gain electrons. Which element has the greatest ionization energy and electronegativity?
a)
fluorine
b)
chlorine
c)
bromine
d)
iodine
31.
What is the family name of this group of elements?
a)
Alkali metals
b)
Halogens
c)
Noble Gases
d)
Alkali Earth Metals
32.
Sodium (Na) and potassium (K) are in the same group on the periodic table. Based on their locations, which statement about sodium and potassium is true?
a)
Sodium is less electronegative than potassium.
b)
Sodium has fewer energy levels than potassium.
c)
Sodium has a larger ionic radius than potassium.
d)
Sodium has lower ionization energy than potassium.
33.
Hydrogen is a gas at a room temperature, but it is found with the alkali metals in group 1 (1A) on the periodic table. Which is the most likely reason hydrogen is grouped with alkali metals?
a)
All group 1 elements have the same number of protons.
b)
Alkali metals behave like hydrogen gas at high temperatures.
c)
Hydrogen behaves more like the alkali metals than other gases.
d)
All group 1 elements have one valence electron.
34.
The number of valence electrons in an element affects the reactivity of that element. Which element listed has the fewest valence electrons?
a)
beryllium (Be)
b)
sodium (Na)
c)
oxygen (O)
d)
neon (Ne)
35.
Based on their locations in the periodic table, which element has chemical properties most similar to those of calcium, Ca?
a)
beryllium, Be
b)
potassium, K
c)
titanium, Ti
d)
yttrium, Y
36.
Which of these elements has an electron structure most similar to that of element X?
a)
1
b)
2
c)
3
d)
4
37.
All elements found on the left side of the Periodic Table of the Elements have what properties in common?
a)
They conduct heat and electricity
b)
They are all gases
c)
They are brittle and dull
d)
They are radioactive
38.
The early periodic table organized the elements in periods of increasing atomic mass. What information is currently used to organize the elements on the periodic table?
a)
number of valence electrons
b)
number of energy levels
c)
atomic number
d)
ionic radius
39.
As the atoms in period 3 of the periodic table are considered from left to right, the atoms generally show...
a)
an increase in radius and an increase in ionization energy
b)
an increase in radius and a decrease in ionization energy
c)
a decrease in radius and an increase in ionization energy
d)
a decrease in radius and a decrease in ionization energy
40.
What is Left of the zig zag line on the periodic table
a)
Non-Metals
b)
Metals
c)
Metalloids
d)
anions
41.
In the modern periodic table elements are arranged by:
a)
atomic mass
b)
atomic number
c)
valence electrons
d)
number of isotopes
42.
Which element is not a metal?
a)
H
b)
Re
c)
Al
d)
B
43.
Why are elements in groups 1 and 17 highly reactive?
a)
Because they don't bond with other elements
b)
Because they have 8 valence electrons and are stable
c)
Because they loose/gain 1 valence electron
d)
None of the above
44.
Which of the following has a full valence shell?
a)
Oxygen
b)
Neon
c)
Barium
d)
Carbon
45.
How many electrons do atoms need to be stable?
a)
1
b)
2
c)
6
d)
8
46.
The atoms along the staircase are called
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
47.
Have properties of both metals and non metals, some are semi-conductors, seperates metals from non-metals
a)
Metals
b)
Non-Metals
c)
Metalloids
d)
Groups
48.
Which of the following is arranged according increasing reactivity?
a)
Mg > Li > Na > K
b)
Mg > Na > Li > K
c)
Na > Li > Mg > K
d)
K > Mg > Na > Li
49.
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
50.
Gold, which is in Group 11 on the periodic table, is an example of a(n) ____________
a)
Alkali Metal
b)
Other Metal
c)
Transition Metal
d)
Alkaline Earth Metal
51.
As you move down the first group, reactivity _________.
a)
Increases
b)
Decreases
c)
Stays the same
d)
They are all inert
52.
Which two groups on the Periodic Table are the MOST reactive?
a)
Group 1 and Group 17
b)
Group 2 and Group 16
c)
Group 13 and Group 15
d)
Group 17 and Group 18
53.
How do you determine the number of valence electrons an element has?
a)
Look at its period
b)
Look at its group
c)
Look at its atomic number
d)
Look at its atomic mass
54.
Which group on the Periodic Table is inert?
a)
Group 1
b)
Group 2
c)
Group 17
d)
Group 18
55.
What was Dmitri Mendeleev's greatest contribution to the history of the periodic table?
a)
He arranged all of the known elements by their atomic number
b)
He realised that there was a pattern of reactivity which repeated every 8 elements
c)
He predicted the existence (and properties) of new elements
d)
He identified the "law of triads" which became the groups
56.
Which element has the same number of valence electrons as this element?
a)
Bromine (Br)
b)
Nitrogen (N)
c)
Calcium (Ca)
d)
Boron (B)
57.
How many energy levels does an atom of Chlorine have?
a)
2
b)
3
c)
4
d)
7
58.
In which group does this atom belong?
a)
1
b)
3
c)
13
d)
11
59.
Which elements are in the same period?
a)
A & F
b)
F, B & D
c)
E & D
d)
F & B
60.
Which element belongs to the group that is made up of only gases?
a)
D
b)
L
c)
E
d)
A
61.
Which elements have the same number of valence electrons?
a)
A & C
b)
E & C
c)
F & A
d)
F & B
62.
Which element has 3 valence electrons?
a)
A
b)
B
c)
E
d)
C
63.
How is the modern periodic table set up?
a)
increasing atomic mass only
b)
increasing atomic number only
c)
increasing atomic mass with periods and groups
d)
increasing atomic number with periods and groups
64.
As you move left to right across a period, the atomic radius will ....
a)
decrease
b)
increase
c)
stay the same
65.
Why did Mendeleev leave blanks in his periodic table?
a)
forgot elements
b)
left room for elements not yet discovered
c)
placed elements in wrong positions leaving gaps
66.
These are found to the right of the zig-zag line on the periodic table
a)
Metals
b)
Metalloids
c)
Non-metals
67.
Which scientist is created with determining the method used worldwide to calculate atomic mass?
a)
Mendeleev
b)
Cannizaro
c)
Moseley
d)
Dalton
68.
Which scientist is credited for the modern (current) Periodic Table?
a)
Moseley
b)
Mendeleev
c)
Rutherford
d)
Canizzaro
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