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Periodic Table Questions

Practice 70 Periodic Table questions with detailed answers and explanations. Free MCQs, PYQs, and mock test questions for NEET, JEE, GATE, SSC and more.

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70
Total Questions
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20
Easy
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47
Medium
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3
Hard
Practice by Exam:Chemistry(46)General Science(11)General Awareness(5)CHEMISTRY(3)General Knowledge and General Awareness(1)General Studies(1)Mathematics and Science(1)General Science@NUM: 32(1)

About Periodic Table — practice questions, PYQs & concepts

Periodic Table is a frequently-tested topic on Chemistry, General Science, General Awareness. ExamTest.live currently lists 70 Periodic Table questions spanning previous-year papers from 2018 to 2026, each with worked solutions and a step-by-step explanation. Use the filters on this page to focus on a specific exam, difficulty level or year — every answer key is free, no sign-up required.

Periodic Table weight in competitive exams

Across our Periodic Table question bank, the largest sources are Chemistry (46), General Science (11), General Awareness (5), CHEMISTRY (3) and General Knowledge and General Awareness (1). Click any exam chip above to drill down to that exam-specific question set.

How to use this page

  • Start easy: 20 easy Periodic Table questions are available — build fluency before moving up.
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All Periodic Table Questions(1–70 of 70)

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Q1mediummcqGeneral ScienceStaff Selection Commission2026
0% accuracy
Which of the following elements has the lowest melting point?
Q2hardmcqChemistrySSC CGL2026
50% accuracy
In the 1920s, who created the Left-Step Periodic Table (LSPT) of the chemical elements, basing the positions of the elements on patterns in the arrangement of electrons around the atomic nucleus?
Q3mediummcqScienceCompetitive Exams2026
67% accuracy
Which of the following elements has the lowest melting point?
Q4mediummcqGeneral ScienceSSC CGL2026
33% accuracy
Which of the following elements has the lowest melting point?
Q5easymcqChemistryAIEEE2026
0% accuracy
Which of the following oxides is amphoteric in character?
Q6mediummcqChemistryAIEEE2026
0% accuracy
In which of the following arrangements the order is NOT according to the property indicated against it?
Q7mediummcqGeneral ScienceSSC CGL2026
100% accuracy
Atomic number of which of the following elements is greater than that of Iron?
Q8mediummcqChemistryNEET 20192026
0% accuracy
For the second period elements the correct increasing order of first ionisation enthalpy is:
Q9mediummcqChemistrySSC CGL2026
100% accuracy
Atomic number of which of the following elements is greater than that of Chlorine?
Q10mediummcqChemistryNEET (UG) 20172026
0% accuracy
The element has been discovered recently. It will belong to which of the following family group and electronic configuration?
Q11mediummcqGeneral ScienceSSC CGL2026
0% accuracy
Which chemical element of the halogen group is a light greenish-yellow highly toxic gas with atomic number 17?
Q12mediummcqGeneral AwarenessStaff Selection Commission2026
0% accuracy
Which artificial element has been provisionally named seaborgium by American researchers in honour of Nobel Laureate Glenn T Seaborg?
Q13mediummcqChemistryAIEEE 20072026
0% accuracy
Identify the incorrect statement among the following:
Q14mediummcqChemistryIndian Competitive Exams2026
Who was recognised for his services in the discovery of inert gaseous elements in air and in the determination of their place in the periodic system?
Q15mediummcqChemistryCompetitive Exam2026
Which of the following is NOT an isotope of hydrogen?
Q16mediummcqGeneral StudiesCompetitive Exam2026
Which metalloid in the carbon group is chemically similar to its group neighbours tin and silicon?
Q17mediummcqGeneral AwarenessSSC CGL2026
Technetium, the first artificially produced element used in many medical diagnostic imaging scans, is found in which group of the periodic table?
Q18mediummcqGeneral AwarenessStaff Selection Commission2026
Who contributed in the development of the periodic table?
Q19mediummcqGeneral Knowledge and General AwarenessSSC CPO 20242026
Identify the number of electrons found in the outermost shell of a halogen atom.
Q20mediummcqChemistrySSC CGL2026
Which of the following statement are CORRECT?
I. Metals have the tendency to accept electrons while forming bonds.
II. In modern periodic table, metallic properties decreases in a period while moving left to right.
III. In modern periodic table, metallic properties increases while going top to bottom in group.
Q21mediummcqChemistryAIEEE 20122026
The increasing order of the ionic radii of the given isoelectronic species is:
Q22mediummcqChemistryStaff Selection Commission2026
The modern periodic table consists of 18 groups and 7 periods. What is the atomic number of the element placed in the 2nd group and the 4th period?
Q23mediummcqChemistrySSC CGL2026
Which of the following elements has the lowest melting point?
Q24mediummcqGeneral ScienceStaff Selection Commission2026
The modern periodic table consists of 18 groups and 7 periods. What is the atomic number of the element placed in the 1st group and the 4th period?
Q25mediummcqGeneral ScienceStaff Selection Commission2026
Atomic number of which of the following elements is greater than that of Iodine
Q26mediummcqGeneral Science@NUM: 32SSC CGL2026
Atomic number of which of the following elements is greater than that of Calcium?
Q27mediummcqChemistryGeneral Awareness2026
Atomic number of which of the following elements is greater than that of Potassium?
Q28mediummcqGeneral AwarenessSSC CGL2026
Atomic number of which of the following elements is greater than that of Zinc?
Q29mediummcqGeneral ScienceSSC CGL2026
The modern periodic table consists of 18 groups and 7 periods. What is the atomic number of the element placed in the 3rd group and the 4th period?
Q30easymcqChemistryPractice Test2026
Who discovered Nitrogen?
Q31mediummcqGeneral ScienceCompetitive Exam Previous Year Paper2026
Which of the following is a non-metal that remains in liquid state at room temperature?
Q32mediummcqGeneral ScienceSSC CGL2026
Atomic number of which of the following elements is greater than that of Copper?
Q33mediummcqGeneral ScienceCompetitive Exams2026
Atomic number of which of the following elements is greater than that of Silicon____
Q34mediummcqChemistryCompetitive Exam2026
The modern periodic table consists of 18 groups and 7 periods. What is the atomic number of the element placed in the 4th group and the 4th period?
Q35mediummcqChemistryCompetitive Exam2026
Of the following elements, which one has the highest electronegativity?
Q36mediummcqChemistryGeneral Aptitude Test2026
The strongest electropositive element among the following is:
Q37mediummcqGeneral ScienceWBCS Prelims 20172026
The strongest electropositive element is:
Q38mediummcqChemistryJEE Main2026
Which of the following represents the correct order of increasing first ionization enthalpy for , , , and ?
Q39hardmcqChemistryNEET 20172026
The element has been discovered recently. It will belong to which of the following family/group and electronic configuration?
Q40easymcqChemistryNEET (UG) 20182026
Which of the following oxides is most acidic in nature?
Q41mediummcqCHEMISTRYNEET 20192026
The correct order of ionic radii is:
Q42mediummcqCHEMISTRYNEET 20192026
Match the oxide given in Column I with its property given in Column II:Column I: (i) , (ii) , (iii) , (iv) Column II: (a) Neutral, (b) Basic, (c) Acidic, (d) Amphoteric
Q43hardmcqCHEMISTRYNEET 20192026
What is the correct order of electron gain enthalpy from least negative to most negative for the elements and ?
Q44easymcqChemistryNEET 20222026
The IUPAC name of an element with atomic number is:
Q45easymcqChemistryNEET 20232026
The element expected to form largest ion to achieve the nearest noble gas configuration is:
Q46mediummcqChemistryNEET (UG) 20242026
Arrange the following elements in increasing order of first ionization enthalpy: .
Q47easymcqChemistryNEET (UG) 20242026
Arrange the following elements in increasing order of electronegativity: .
Q48easymcqChemistryAIEEE 20042026
Among and the correct order of acid strength is:
Q49mediummcqChemistryAIEEE 20042026
The formation of the oxide ion requires first an exothermic and then an endothermic step as shown below:


The second step is endothermic because:
Q50mediummcqChemistryAIEEE 20042026
Which among the following factors is the most important in making fluorine the strongest oxidizing halogen?
Q51easymcqChemistryAIEEE 20042026
Which one of the following ions has the highest value of ionic radius?
Q52mediummcqChemistryAIEEE 20042026
Of the following outer electronic configurations of atoms, the highest oxidation state is achieved by which one?
Q53mediummcqChemistryAIEEE 20122026
Which of the following on thermal decomposition yields a basic as well as an acidic oxide?
Q54mediummcqGeneral AwarenessIndian Competitive Exam2026
What is the atomic number of lithium?
Q55easymcqMathematics and ScienceUPTET Paper 2 (Maths & Science)2018
Which one of the following non-metals is liquid?
Q56mediummcqChemistryChemistry
5% accuracy
Which of the following statements are true?A. Unlike Ga that has a very high melting point, Cs has a very low melting point.B. On Pauling scale, the electronegativity values of N and Cl are not the same.C. , and are all isoelectronic species.D. The correct order of the first ionization enthalpies of Na, Mg, Al, and Si is Si > Al > Mg > Na.E. The atomic radius of Cs is greater than that of Li and Rb.Choose the correct answer from the options given below:
Q57mediummcqChemistryChemistry
Assertion : First ionization energy for nitrogen is lower than oxygen.Reason : Across a period effective nuclear charge decreases.
Q58easymcqChemistryChemistry
The sequence of ionic mobility in aqueous solution is:
Q59mediummcqChemistryChemistry
The correct order of decreasing second ionisation enthalpy of and is:
Q60easymcqChemistryChemistry
Which one of the following arrangements does not give the correct picture of the trends indicated against it?
Q61easymcqChemistryChemistry
Which one of the elements with the following outer orbital configurations may exhibit the largest number of oxidation states?
Q62easymcqChemistryChemistry
Amongst the elements with following electronic configurations, which one of them may have the highest ionization energy?
Q63easymcqChemistryChemistry
Among the following which is the strongest oxidising agent?
Q64easymcqChemistryChemistry
Which of the following pairs has the same size?
Q65easymcqChemistryChemistry
Which one of the following ions has electronic configuration ?
Q66easymcqChemistryChemistry
The correct order of the decreasing ionic radii among the following isoelectronic species is:
Q67easymcqChemistryChemistry
Which of the following represents the correct order of increasing electron gain enthalpy with negative sign for the elements ?
Q68easymcqChemistryChemistry
Which of the following orders of ionic radii is correctly represented?
Q69easymcqChemistryChemistry
Acidity of diprotic acids in aqueous solutions increases in the order:
Q70mediummcqChemistryChemistry
In which of the following options the order of arrangement does not agree with the variation of property indicated against it?

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Periodic Table questions are commonly asked in Chemistry, General Science, General Awareness, CHEMISTRY, General Knowledge and General Awareness. You can filter by exam using the links above.
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