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WorksheetsPeriodic Table Trends Three Elements
Total questions: 28
Worksheet time: 26mins
Name
Class
Date
1.
Chlorine, bromine, and iodine were grouped together in the earliest forms of the periodic table, including the table developed by Mendeleev. What was an organizing principle in this grouping at that time?
a)
Atoms of the three elements had approximately the same mass.
b)
The three elements react the same way with other elements.
c)
The elements have the same number of valence electrons.
d)
These three elements are all gases at room temperature
2.
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
3.
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
4.
Which of these elements has an electron structure most similar to that of element X?
a)
1
b)
2
c)
3
d)
4
5.
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
6.
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)
7.
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
8.
Hydrogen is a gas at a room temperature, but it is found with the alkali metals in group 1 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 are gases at room temperature.
c)
Hydrogen is a metal.
d)
All group 1 elements have one valence electron.
9.
What is the family name of this group of elements?
a)
Alkali metals
b)
Halogens
c)
Noble Gases
d)
Alkali Earth Metals
10.
Which element has 2 valence electrons?
a)
cesium (Cs)
b)
magnesium (Mg)
c)
boron (B)
d)
argon (Ar)
11.
Which of these elements has the greatest atomic radius?
a)
H
b)
N
c)
Cl
d)
Cs
12.
Going from left to right in the periodic table, the atomic radius decreases. Which of the following explains the atomic radii trend of elements going down a period?
a)
There is an increase in the number of electron shells
b)
There is a decrease in the number of electron shells
13.
The Periodic Table of the Elements is useful for revealing patterns and trends in the elements. Which statement accurately describes a pattern in the size of atomic radii in the Periodic Table of the Elements?
a)
Atomic radii decrease from left to right across a period and decrease from top to bottom in a group.
b)
Atomic radii increase from left to right across a period and increase from top to bottom in a group.
c)
Atomic radii decrease from left to right across a period and increase from top to bottom in a group.
d)
Atomic radii increase from left to right across a period and decrease from top to bottom in a group.
14.
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
15.
Which statement best describes the electronegativity of the elements?
a)
Electronegativity decreases with increasing atomic number within a period
b)
Electronegativity decreases with increasing atomic number within a group
c)
Electronegativity tends to be higher in the metals than in the nonmetals.
d)
Electronegativity tends to be lower in the gases than in the solids.
16.
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
17.
Electron affinity increases from bottom to top in a family of nonmetal elements on the periodic table. What other pattern occurs from bottom to top of a nonmetal family based on this change in electron affinity?
a)
atomic radii
b)
ionization energy
c)
ionic radii
d)
none of these
18.
The following is an example of how to set up a formula for _________________.
A + e- → A- + -415 kJ/mol
A + e- → A- + -415 kJ/mol
a)
ionization affinity
b)
electron energy
c)
ionization energy
d)
electron affinity
19.
The following is an example of how to set up a formula for _________________.
A + 415 kJ/mole → A+ + e-
A + 415 kJ/mole → A+ + e-
a)
ionization affinity
b)
electron energy
c)
ionization energy
d)
electron affinity
20.
Which has the greater EN:
N or C?
N or C?
a)
C
b)
N
21.
Which has the greater EN:
H or F?
H or F?
a)
H
b)
F
22.
Which of the following generally applies to the noble gases?
a)
high ionization energy, low electronegativity, high reactivity
b)
high ionization energy, high electronegativity, high reactivity
c)
low ionization energy, low electronegativity, low reactivity
d)
high ionization energy, low electronegativity, low reactivity
23.
Which element's atoms are larger?
a)
Rubidium
b)
Sodium
24.
Which element's atoms are larger?
a)
Nitrogen
b)
Beryllium
25.
Coulombic Attraction is the attraction between __________ charged particles.
a)
same
b)
oppositely
c)
two positively
d)
two negatively
26.
As the distance between protons and electrons increases, the force of attraction
a)
remains the same
b)
increases
c)
decreases
d)
is not affected
27.
How many valence electrons are elements trying to reach in their outer shells?
a)
1
b)
2
c)
5
d)
8
28.
Atoms on which side of the Periodic Table will tend to LOSE electrons?
a)
Right
b)
Left
c)
Middle
d)
No atoms lose electrons
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