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WorksheetsPeriodic Table Trends
Total questions: 25
Worksheet time: 25mins
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?
Atomic radii decrease from left to right across a period and decrease from top to bottom in a group.
Atomic radii increase from left to right across a period and increase from top to bottom in a group.
Atomic radii decrease from left to right across a period and increase from top to bottom in a group.
Atomic radii increase from left to right across a period and decrease from top to bottom in a group.
The symbols W, X, Y, and Z represent four elements shown on the outline of a periodic table.
Which element has the highest electronegativity?
W
X
Y
Z
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?
fluorine
chlorine
bromine
iodine
What happens to the atomic numbers as you move from left to right on the periodic table?
Increase
Decrease
Stay the same
Nothing
Which element has the highest electronegativity?
Oxygen
Fluorine
Chlorine
Nitrogen
Which of the following statements is true about the periodic table?
Elements in the same period have similar chemical properties.
Elements in the same group have the same number of valence electrons.
Elements in the same group have the same atomic number.
Elements in the same period have the same number of valence electrons.
Which property CANNOT be predicted from the position of an element in the periodic table?
electronegativity
density
Number of protons
atomic radius (size)
Which of the following elements is most likely to have similar properties to those of sodium (Na)?
Magnesium (Mg)
Sulfur (S)
Francium (Fr)
Titanium (Ti)
Elements in the same column of the periodic table always have the same # of _______ as one another.
Protons
Neutrons
Electrons
Valence Electrons
Select the element with the largest atomic radius
Potassium
Scandium
Gallium
Arsenic
Which of the following elements has the smallest atomic radius?
Lithium
Sodium
Potassium
Rubidium
The Modern Periodic Table of Elements is arranged by
atomic mass
atomic number
valence electrons
number of isotopes
Which of these elements has the greatest atomic radius?
H
N
Cl
Cs
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?
Li > Na > K > Cs
Na > K > Li > Cs
Li > K > Na > Cs
Cs > K > Na > Li
All elements found on the left side of the Periodic Table of the Elements have what properties in common?
They conduct heat and electricity
They are all gases
They are brittle and dull
They are radioactive
Which of these elements has an electron structure most similar to that of element X?
1
2
3
4
The number of valence electrons in an element affects the reactivity of that element. Which element listed has the fewest valence electrons?
beryllium (Be)
sodium (Na)
oxygen (O)
neon (Ne)
What is the family name of this group of elements?
Alkali metals
Halogens
Noble Gases
Alkali Earth Metals
Which element has 2 valence electrons?
cesium (Cs)
magnesium (Mg)
boron (B)
argon (Ar)
Which atom has the largest atomic radius?
potassium
rubidium
francium
cesium
Which trend is observed in the electronegativity of elements across a period in the periodic table?
Electronegativity increases from left to right
Electronegativity decreases from left to right
Electronegativity remains constant
Electronegativity first increases then decreases
What happens to the ionization energy as you move down a group in the periodic table?
Ionization energy increases
Ionization energy decreases
Ionization energy remains the same
Ionization energy first increases then decreases
Which of the following elements has the highest atomic radius?
Helium
Neon
Argon
Radon
Which of the following statements is true about the metallic character of elements in the periodic table?
Metallic character increases across a period from left to right
Metallic character decreases across a period from left to right
Metallic character remains constant across a period
Metallic character first increases then decreases across a period
Which element is most likely to form an anion based on its position in the periodic table?
Sodium
Chlorine
Magnesium
Aluminum
