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WorksheetsPeriodic Table Trends
Total questions: 25
Worksheet time: 27mins
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 (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.
9.
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.
10.
What is the family name of this group of elements?
a)
Alkali metals
b)
Halogens
c)
Noble Gases
d)
Alkali Earth Metals
11.
Which element has 2 valence electrons?
a)
cesium (Cs)
b)
magnesium (Mg)
c)
boron (B)
d)
argon (Ar)
12.
Which of these elements has the greatest atomic radius?
a)
H
b)
N
c)
Cl
d)
Cs
13.
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
c)
The attraction increases between the protons and the valence electrons because there is no shielding effect.
d)
The attraction decreases between the neutrons and the valence electrons because of the shielding effect
14.
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.
15.
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
16.
The size of ions can be measured using the diffraction of x-rays. Measurements of ionic size confirm that trends can be identified based on location on the Periodic Table of the Elements. Which set of elements is listed in order of decreasing ion size?
a)
boron, carbon, nitrogen, oxygen
b)
iodine, bromine, chlorine, fluorine
c)
phosphorous, selenium, iodine, radon
d)
sodium, potassium, rubidium, cesium
17.
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.
18.
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
19.
The electron configuration of an atom determines how much energy is involved in its reactions. Which reaction would most likely occur when rubidium (Rb) is placed in water?
a)
oxidizes only slightly and does not produce smoke
b)
oxidizes, produces less heat than lithium (Li)
c)
oxides, produces less heat and smoke than sodium (Na)
d)
oxidizes, produces more heat, smoke and flames than potassium (K)
20.
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
21.
The elements chromium (Cr) and zinc (Zn) are in period four of the periodic table. Which characteristic of zinc and chromium is correct based on their positions?
a)
Zinc has a greater atomic radius than chromium
b)
Zinc loses electrons more easily than chromium
c)
Chromium has more valence electrons than zinc
d)
Chromium has lower ionization energy than zinc
22.
Which element on the periodic table most likely has physical properties similar to magnesium?
a)
calcium (Ca)
b)
neon (Ne)
c)
phosphorus (P)
d)
potassium (K)
23.
Using the Periodic Table of the Elements, the properties of elements can often be used to deduce the properties of neighboring elements. In which set can the reactivity of the first three elements be used to most accurately predict the reactivity of the fourth element?
a)
silver (Ag), sodium (Na), strontium (Sr) → sulfur (S)
b)
fluorine (F), oxygen (O), nitrogen (N) → carbon (C)
c)
antimony (Sb), tellurium (Te), iodine (I) → xenon (Xe)
d)
oxygen (O), sulfur (S), tellurium (Te) → selenium (Se)
24.
The ionization potential of an element is the amount of energy required to remove an electron from an isolated atom or molecule. According to the periodic table, which of the following indicates the correct decreasing order of ionization energy?
a)
Li > Na > K > Cs
b)
Na > K > Li > Cs
c)
Li > K > Na > Cs
d)
Cs > K > Na > Li
25.
Incandescent light bulb filaments are best preserved by filling the bulb with a low density, non-reactive gas. From which group of elements on the periodic table is this gas most likely selected?
a)
1 (1A)
b)
2 (2A)
c)
17 (7A)
d)
18 (8A)
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