Periodic Table Quizzes: Test Your Knowledge of Elements and Their Properties

Question 1

Which element possesses the highest first ionization energy?

Accepted Answer

Helium

Answer

Neon

Answer

Argon

Answer

Krypton

Question 2

Which element is classified as a metalloid?

Accepted Answer

Boron

Answer

Carbon

Answer

Nitrogen

Answer

Oxygen

Question 3

Which of the following is NOT a direct application of the periodic table in science and engineering?

Accepted Answer

Predicting the weather patterns

Answer

Predicting the reactivity of elements

Answer

Designing materials with desired properties

Answer

Developing new medical treatments

Question 4

Which of the following is the chemical symbol for sodium?

Accepted Answer

Na

Answer

So

Answer

Sd

Answer

Nm

Question 5

Which element has the highest electronegativity?

Accepted Answer

Fluorine

Answer

Chlorine

Answer

Oxygen

Answer

Nitrogen

Question 6

The periodic table can be used to predict:

Accepted Answer

Both chemical reactivity and physical properties

Answer

Chemical reactivity

Answer

Physical properties

Answer

Neither chemical reactivity nor physical properties

Question 7

What is the atomic number of an element that has 17 protons in its nucleus?

Accepted Answer

17

Answer

15

Answer

19

Answer

21

Question 8

Which of the following metals exhibits the lowest reactivity?

Accepted Answer

Gold

Answer

Sodium

Answer

Potassium

Answer

Calcium

Question 9

Which element is classified as a metalloid?

Accepted Answer

Silicon

Answer

Chlorine

Answer

Potassium

Answer

Aluminium

Question 10

Determine the symbol for the element with atomic number 25.

Accepted Answer

Mn

Answer

Fe

Answer

Cr

Answer

Ni

Question 11

The trend in electronegativity across a period from left to right is generally:

Accepted Answer

Increasing

Answer

Decreasing

Answer

Constant

Answer

Random

Question 12

The type of chemical bond formed between a metal and a non-metal is typically:

Accepted Answer

Ionic bond

Answer

Covalent bond

Answer

Metallic bond

Answer

Hydrogen bond

Question 13

Which group in the Periodic Table contains the most reactive non-metals?

Accepted Answer

Group 17

Answer

Group 1

Answer

Group 15

Answer

Group 18

Question 14

Which of the following elements is a metal?

Accepted Answer

Sodium

Answer

Boron

Answer

Carbon

Answer

Oxygen

Question 15

Which of the following pairs of elements is most likely to form a covalent bond?

Accepted Answer

Hydrogen and oxygen

Answer

Sodium and chlorine

Answer

Potassium and fluorine

Answer

Lithium and nitrogen

Question 16

What is the mass number of the element with 17 protons and 18 neutrons?

Accepted Answer

36

Answer

17

Answer

35

Answer

53

Question 17

Which of the following elements has the largest atomic radius?

Accepted Answer

Francium

Answer

Sodium

Answer

Potassium

Answer

Rubidium

Question 18

What is the name of the horizontal rows in the Periodic Table?

Accepted Answer

Periods

Answer

Groups

Answer

Blocks

Answer

Families

Question 19

Which noble gas shares the most similar chemical properties to sulfur?

Accepted Answer

Xenon

Answer

Neon

Answer

Argon

Answer

Krypton

Question 20

Which property does NOT increase down a group in the Periodic Table?

Accepted Answer

Ionization energy

Answer

Atomic radius

Answer

Ease of oxidation

Answer

Electronegativity

Question 21

Which of the following is a semiconductor?

Accepted Answer

Silicon

Answer

Iron

Answer

Gold

Answer

Sodium

Question 22

What is the name of the block of transition metals located in the middle of the Periodic Table?

Accepted Answer

d-block

Answer

s-block

Answer

p-block

Answer

f-block

Question 23

Which of the following is not a category of elements in the Periodic Table?

Accepted Answer

g-block

Answer

s-block

Answer

p-block

Answer

d-block

Question 24

Which of the following elements would react most vigorously with water?

Accepted Answer

Lithium

Answer

Sodium

Answer

Potassium

Answer

Rubidium

Question 25

What is the name of the element with the chemical symbol 'Au'?

Accepted Answer

Gold

Answer

Silver

Answer

Copper

Answer

Iron

Question 26

Across a period in the periodic table, the atomic radius:

Accepted Answer

Decreases

Answer

Increases

Answer

Stays the same

Answer

Increases and then decreases

Question 27

Which of the following is a metalloid?

Accepted Answer

Silicon (Si)

Answer

Iron (Fe)

Answer

Aluminium (Al)

Answer

Sodium (Na)

Question 28

The vertical columns in the Periodic Table are called:

Accepted Answer

Groups

Answer

Periods

Answer

Blocks

Answer

Families

Question 29

Which of the following elements is the least reactive metal?

Accepted Answer

Copper

Answer

Potassium

Answer

Calcium

Answer

Iron

Question 30

What is the name of the group of elements located in Group 1 of the Periodic Table?

Accepted Answer

Alkali metals

Answer

Alkaline earth metals

Answer

Transition metals

Answer

Halogens

Question 31

Which of the following statements about the nucleus of an atom is true?

Accepted Answer

It contains protons and neutrons.

Answer

It contains protons and electrons.

Answer

It contains neutrons and electrons.

Answer

It contains all three subatomic particles.

Question 32

Which of the following is a transition metal?

Accepted Answer

Iron

Answer

Sodium

Answer

Oxygen

Answer

Chlorine

Question 33

What is the name of the element with the symbol Au?

Accepted Answer

Gold

Answer

Silver

Answer

Copper

Answer

Platinum

Question 34

Which of the following elements forms an ionic bond with oxygen?

Accepted Answer

Sodium

Answer

Hydrogen

Answer

Chlorine

Answer

Carbon

Question 35

Identify the element that is classified as a metalloid:

Accepted Answer

Silicon (Si)

Answer

Sodium (Na)

Answer

Chlorine (Cl)

Answer

Gold (Au)

Question 36

Determine the atomic number of an element that contains 17 protons:

Accepted Answer

17

Answer

1

Answer

8

Answer

34

Question 37

Which group on the periodic table comprises the most reactive metals?

Accepted Answer

Group 1 (Alkali Metals)

Answer

Group 18 (Noble Gases)

Answer

Group 17 (Halogens)

Answer

Group 2 (Alkaline Earth Metals)

Question 38

Elements within the same period of the periodic table share the same number of:

Accepted Answer

Electron shells

Answer

Electrons

Answer

Neutrons

Answer

Protons

Question 39

Identify the element known for its excellent electrical and thermal conductivity:

Accepted Answer

Copper (Cu)

Answer

Oxygen (O)

Answer

Sulfur (S)

Answer

Helium (He)

Question 40

Describe the trend in electronegativity when moving across a period from left to right:

Accepted Answer

Increases

Answer

Decreases

Answer

Fluctuates erratically

Answer

Stays constant

Question 41

Identify the element classified as a noble gas:

Accepted Answer

Argon (Ar)

Answer

Calcium (Ca)

Answer

Bromine (Br)

Answer

Lithium (Li)

Question 42

Determine the number of valence electrons present in an element belonging to Group 16:

Accepted Answer

6

Answer

2

Answer

8

Answer

1

Question 43

Which element is located within the d-block of the periodic table?

Accepted Answer

Iron (Fe)

Answer

Potassium (K)

Answer

Carbon (C)

Answer

Oxygen (O)

Question 44

For predicting the chemical properties of a new element, which information from the periodic table would be most valuable?

Accepted Answer

Its position relative to other elements

Answer

Its atomic mass

Answer

Its name

Question 45

Which element on the periodic table is a metalloid?

Accepted Answer

Silicon (Si)

Answer

Sodium (Na)

Answer

Chlorine (Cl)

Answer

Iron (Fe)

Question 46

Describe the general trend in atomic radius as you move from left to right across a period on the periodic table.

Accepted Answer

Decreases

Answer

Fluctuates randomly

Answer

Stays the same

Answer

Increases

Question 47

Which group in the periodic table contains the most reactive nonmetallic elements?

Accepted Answer

Group 17 (Halogens)

Answer

Group 2 (Alkaline Earth Metals)

Answer

Group 1 (Alkali Metals)

Answer

Group 18 (Noble Gases)

Question 48

Of the following elements, which one has the highest ionization energy?

Accepted Answer

Fluorine (F)

Answer

Potassium (K)

Answer

Lithium (Li)

Answer

Sodium (Na)

Question 49

In the periodic table, element number 19 occupies which period?

Accepted Answer

Period 4

Answer

Period 5

Answer

Period 3

Answer

Period 1

Question 50

Which group of elements is characterized by their lack of reactivity due to their stable electron configurations?

Accepted Answer

Noble Gases

Answer

Alkali Metals

Answer

Transition Metals

Answer

Halogens

Question 51

The number of protons in an atom of an element is equal to its:

Accepted Answer

Atomic number

Answer

Neutron number

Answer

Mass number

Question 52

Gold has the chemical symbol:

Accepted Answer

Au

Answer

Fe

Answer

Ag

Answer

Cu

Question 53

The periodic table organizes elements primarily based on their:

Accepted Answer

Increasing atomic number

Answer

Alphabetical order

Answer

Decreasing electronegativity

Answer

Increasing atomic mass