PERIODIC TABLE QUIZ (OBJECTIVE QUESTIONS)
1. The periodic table is arranged in order of increasing
A. Atomic mass
B. Atomic number
C. Number of neutrons
D. Electron configuration
2. Who is credited with creating the first widely recognized periodic table?
A. John Dalton
B. Dmitri Mendeleev
C. Henry Moseley
D. J.J. Thomson
3. Modern periodic table is arranged based on
A. Atomic number
B. Atomic mass
C. Density
D. Reactivity
4. Elements in the same group have the same
A. Atomic number
B. Number of valence electrons
C. Mass number
D. Number of neutrons
Periodic Table Quiz
5. The horizontal rows in the periodic table are called
A. Groups
B. Families
C. Periods
D. Series
6. The vertical columns in the periodic table are called
A. Groups
B. Periods
C. Shells
D. Rows
7. Which of the following elements is a noble gas?
A. Oxygen
B. Nitrogen
C. Argon
D. Sodium
8. Alkali metals are found in which group of the periodic table?
A. Group 1
B. Group 2
C. Group 17
D. Group 18
9. Halogens are located in which group?
A. Group 1
B. Group 17
C. Group 2
D. Group 16
10. Which of these elements is a transition metal?
A. Sodium
B. Iron
C. Helium
D. Chlorine
Periodic Table Quiz
11. Elements that have properties of both metals and nonmetals are called
A. Alkali metals
B. Transition metals
C. Metalloids
D. Noble gases
12. The most reactive metal in Group 1 is
A. Lithium
B. Sodium
C. Potassium
D. Francium
13. The most reactive nonmetal in Group 17 is
A. Fluorine
B. Chlorine
C. Bromine
D. Iodine
14. Which element has the highest electronegativity?
A. Oxygen
B. Fluorine
C. Chlorine
D. Nitrogen
15. Elements in the same period have the same
A. Number of electron shells
B. Number of valence electrons
C. Atomic number
D. Reactivity
Periodic Table Quiz
16. Which scientist arranged elements by increasing atomic number, correcting Mendeleev’s order?
A. Dalton
B. Moseley
C. Bohr
D. Rutherford
17. Metals are generally found on which side of the periodic table?
A. Left
B. Right
C. Top
D. Bottom
18. Nonmetals are located mainly on which side of the periodic table?
A. Left
B. Right
C. Center
D. Bottom
19. The element with atomic number 12 is
A. Magnesium
B. Aluminum
C. Sodium
D. Carbon
20. Periodic law states that the properties of elements are a periodic function of their
A. Atomic mass
B. Atomic number
C. Number of neutrons
D. Number of isotopes
ANSWERS AND EXPLANATIONS
1. B – The periodic table is arranged in order of increasing atomic number.
2. B – Dmitri Mendeleev created the first widely recognized periodic table.
3. A – Modern periodic table is arranged by increasing atomic number.
4. B – Elements in the same group have the same number of valence electrons.
5. C – Horizontal rows are called periods.
6. A – Vertical columns are called groups.
7. C – Argon is a noble gas in Group 18.
8. A – Alkali metals are in Group 1.
9. B – Halogens are in Group 17.
10. B – Iron is a transition metal.
11. C – Elements with both metallic and nonmetallic properties are metalloids.
12. D – Francium is the most reactive alkali metal.
13. A – Fluorine is the most reactive halogen.
14. B – Fluorine has the highest electronegativity.
15. A – Elements in the same period have the same number of electron shells.
16. B – Moseley arranged elements by atomic number.
17. A – Metals are mainly on the left side.
18. B – Nonmetals are mainly on the right side.
19. A – Atomic number 12 corresponds to magnesium.
20. B – Periodic law states that element properties repeat periodically with atomic number.
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