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Copy of Periodic Trends Questions (5/28/2026)

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Last updated about 3 hours ago
12 questions
Note from the author:
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Use your Periodic Table and Atomic Structure Note-Taking Sheet to help you answer the following.
Use your Periodic Table and Atomic Structure Note-Taking Sheet to help you answer the following.
Question 1
1.

Question 2
2.

Question 3
3.

Use your notes to help you briefly explain why elements of the same group (family) have similar properties and tend to react in a similar way? I must regrade this.

Question 4
4.

Question 5
5.

Question 6
6.
The number of protons + number of neutrons = _______
Question 7
7.
As you move from right to left, the ionization energy tends to _______ .
Question 8
8.

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Question 9
9.

Question 10
10.
For each, use the periodic table to identify how many protons, electrons, and neutrons each atom has. Assume each is a neutral atom. There are a few tips you may find helpful.

a.) Li (lithium) - protons _______ neutrons _______ electrons _______
b.) Mg (magnesium) - protons _______ neutrons _______ electrons _______
c.) Br (bromine) - protons _______ neutrons _______ electrons _______
d.) Cu (copper) - protons _______ neutrons _______ electrons _______
e.) Xe (xenon) - protons _______ neutrons _______ electrons _______
Question 11
11.
Use the periodic table and your notes on periodic trends to help with the following.

a.) Which element will have the highest electronegativity (use the abbreviations)? _______
b.) Which element will have the greatest atomic radii? _______
c.) Which element will have the lowest electronegativity? _______
d.) Which element will have the lowest ionization energy? _______
Question 12
12.

Use the periodic table and you notes on periodic trends to sequence each element according to atomic radius (largest to smallest).
Aluminum (Al)
Potassium (K)
Oxygen (O)
Carbon (C)
Use the periodic table and your notes on periodic trends to sequence each element according to increasing electronegativity (greatest to lowest)
Sulfur (S)
Bromine (Br)
Oxygen (O)
Boron (B)
Fluorine (F)
Which of the following tend to increase as you move from left to right across the periodic table?
ionization energy
atomic radius
electronegativity
electron affinity
Which of the following are true about groups in the periodic table?
(Select all that apply)
They indicate the number of energy levels.
They contain elements with the same number of valence electrons.
They run vertically.
There are 18 groups.
Match the following terms with the descriptions that best matches them.
Metals
Located on the upper-right corner of the periodic table, poor conductors.
The one that doesn't match any term.
Majority of elements, good conductors, malleable.
Nonmetals
Elements that display properties of both metals and nonmetals.
Metalloids
Good conductors of heat, poor conductors of electricity; minority of the elements.
Use the provided periodic table to help you categorize the following.
Silicon (Si)
Iron (Fe)
Neon (Ne)
Chlorine (Cl)
Carbon (C)
Sodium (Na)
Metals
Nonmetals
Metalloids
Use the periodic table and your notes on periodic trends to arrange the following elements in terms of greatest to lowest ionization energy.
O
Si
Ba
Cs
Pd