This study set covers Chemistry through 29 practice questions. This study material covers fundamental concepts of the periodic table, including its organization, trends, and the properties of various elements. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

Questions & Answers

Browse all 29 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 Who is credited with the modern arrangement of the periodic table?

A Dmitri Mendeleev
B Antoine Lavoisier
C J.J. Thomson
D Ernest Rutherford

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

A Periods
B Groups
C Series
D Blocks

3 The horizontal rows of the periodic table are known as:

A Groups
B Periods
C Families
D Alloys

4 What does the atomic number of an element represent?

A The number of neutrons
B The number of electrons
C The number of protons
D The total number of nucleons

5 Which of the following is a noble gas?

A Oxygen
B Nitrogen
C Helium
D Chlorine

6 Alkali metals are found in which group of the periodic table?

A Group 1
B Group 2
C Group 17
D Group 18

7 Halogens are located in which group?

A Group 1
B Group 2
C Group 17
D Group 18

8 What is the most abundant element in the Earth's crust?

A Iron
B Silicon
C Oxygen
D Aluminum

9 Which element is known as the 'universal solvent'?

A Alcohol
B Acetone
C Water
D Benzene

10 Metals generally exhibit which property?

A Dull luster
B Poor conductivity
C Malleability
D Brittle solid

11 Nonmetals are typically found on which side of the periodic table?

A Left
B Right
C Middle
D Bottom

12 Which element has the chemical symbol 'Fe'?

A Fluorine
B Iron
C Fermium
D Francium

13 What is the only element that is a liquid at room temperature and standard pressure?

A Gold
B Mercury
C Bromine
D Sodium

14 The tendency of an atom to attract a bonding pair of electrons is called:

A Ionization energy
B Electron affinity
C Electronegativity
D Atomic radius

15 As you move across a period from left to right, atomic radius generally:

A Increases
B Decreases
C Stays the same
D Fluctuates

16 As you move down a group, ionization energy generally:

A Increases
B Decreases
C Stays the same
D Fluctuates

17 Which of the following is a metalloid?

A Sodium
B Chlorine
C Silicon
D Potassium

18 What are elements with atomic numbers greater than 92 called?

A Lanthanides
B Actinides
C Transuranic elements
D Noble gases

19 Which element is essential for life and forms the backbone of organic chemistry?

A Oxygen
B Nitrogen
C Carbon
D Hydrogen

20 The element with the symbol 'O' is:

A Osmium
B Oganesson
C Oxygen
D Gold

21 What is the most electronegative element?

A Oxygen
B Nitrogen
C Chlorine
D Fluorine

22 Which group consists of the alkaline earth metals?

A Group 1
B Group 2
C Group 16
D Group 18

23 The number of neutrons in an atom is equal to the mass number minus the:

A Atomic number
B Electron number
C Proton number
D Isotope number

24 Which of the following is a transition metal?

A Lithium
B Calcium
C Copper
D Argon

25 What are isotopes of an element?

A Atoms with different numbers of protons
B Atoms with different numbers of neutrons
C Atoms with different numbers of electrons
D Atoms with different chemical properties

26 The element with the symbol 'Na' is:

A Neon
B Nickel
C Sodium
D Niobium

27 Which of the following is a nonmetal that is a gas at room temperature?

A Sulfur
B Phosphorus
C Nitrogen
D Selenium

28 The periodic table is organized by increasing:

A Mass number
B Number of neutrons
C Atomic number
D Number of valence electrons

29 What is the common name for the elements in Group 18?

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

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