Periodic Table Elements: A Chemistry Study Guide

Chemistry

This study material covers fundamental concepts of the periodic table, including element classification, trends in properties, and the arrangement of elements based on atomic structure.

Periodic Table Elements Atomic Structure

20 Questions Easy Ages 12+ Feb 6, 2026

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About this Study Set

This study set covers Chemistry through 20 practice questions. This study material covers fundamental concepts of the periodic table, including element classification, trends in properties, and the arrangement of elements based on atomic structure. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

Questions & Answers

Browse all 20 questions from the Periodic Table Elements: A Chemistry Study Guide study set below. Each question shows the correct answer — select a study format above to practice interactively.

1 What fundamental property determines the order of elements in the periodic table?

A Number of Neutrons
B Number of Protons
C Number of Electrons
D Atomic Mass

2 Elements in the same vertical column of the periodic table are known as:

A Periods
B Groups
C Blocks
D Series

3 Which of the following is a characteristic of alkali metals (Group 1)?

A They are noble gases.
B They are highly reactive metals.
C They are non-metals.
D They are usually found as liquids at room temperature.

4 What do we call the horizontal rows in the periodic table?

A Groups
B Periods
C Columns
D Families

5 Noble gases (Group 18) are known for their:

A High reactivity.
B Tendency to form positive ions.
C Low reactivity.
D Being solid at room temperature.

6 Which element is a metalloid?

A Oxygen
B Iron
C Silicon
D Sodium

7 What trend is observed in atomic radius as you move from left to right across a period?

A It increases.
B It decreases.
C It remains constant.
D It fluctuates unpredictably.

8 Which of these is a halogen (Group 17)?

A Calcium
B Chlorine
C Potassium
D Argon

9 Transition metals are typically located in which block of the periodic table?

A s-block
B p-block
C d-block
D f-block

10 What is the most electronegative element?

A Fluorine
B Oxygen
C Chlorine
D Nitrogen

11 Lanthanides and actinides are collectively known as:

A Alkali metals.
B Alkaline earth metals.
C Halogens.
D Inner transition metals.

12 Which of the following is an example of a non-metal?

A Magnesium
B Sulfur
C Copper
D Aluminum

13 As you move down a group, the number of electron shells:

A Decreases.
B Increases.
C Stays the same.
D Varies randomly.

14 What is the atomic number of an element equal to?

A The number of neutrons.
B The number of protons.
C The number of valence electrons.
D The mass number.

15 Which element has the symbol 'Fe'?

A Fluorine
B Iron
C Fermium
D Francium

16 Elements with similar chemical properties are grouped together in:

A Periods.
B Blocks.
C Groups.
D Series.

17 What is the common name for Group 2 elements?

A Alkali metals.
B Alkaline earth metals.
C Halogens.
D Noble gases.

18 Which trend is observed in ionization energy as you move up a group?

A It decreases.
B It increases.
C It remains constant.
D It fluctuates.

19 The periodic law states that the chemical properties of elements are periodic functions of their:

A Atomic mass.
B Atomic number.
C Number of neutrons.
D Electron configuration.

20 Which element is a liquid at room temperature and pressure?

A Gold
B Mercury
C Silver
D Iron

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