Periodic Table Questions

Which of the following periods is the shortest one?

Which of the following sets of elements belong to the same period?

3d transition series starts from 'X' and ends with 'Y'. 'X' and 'Y' respectively are:

Which of the following properties generally increase down the group?

Which of the following is not a Dobereiner's Triad?

Gd(Atomic number = 64) is a member of:

Which of the following d-block metal does not show most of the properties of transition elements?

First members of groups 13–17 shows anomalous behaviour due to their:

Which of the following transitions involve maximum amount of energy?

Given below are two statements: Statement I: 5th period of the periodic table contains 32 elements. Statement II: Metals are good conductors of heat and electricity. In the light of the above statements, choose the most appropriate answer from the op

The correct order of electron gain enthalpy in group 16 elements is;

The correct order of ionic radii for the given ions is;

The general outer electronic configuration of d-block elements can be represented as:

Atomic radius of Noble gases is expressed as:

Consider the following statements: (A) Eka-aluminium is known as Gallium. (B) Law of Triads was given by Dobereiner. (C) Thorium is not an actinide metal. The incorrect statement(s) among the following is/are:

Given below are two statements: Statement I: Li is diagonally related to Na. Statement II: 16th group elements are also known as halogens. In the light of the above statements, choose the most appropriate answer from the options given below:

The electronegativity value of oxygen on the basis of Pauling scale is:

Newland’s law of octaves seemed to be true for elements up to:

Match List-I with List-II. List-I (Oxides) A. K2O B. CO2 C. Al2O3 D. CO List-II (Nature of oxides) I. Amphoteric II. Basic III. Acidic IV. Neutral Choose the correct answer from the options given below:

The correct increasing order of ionic radii is:

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R): Assertion (A): Size of I– ion is larger than I atom. Reason (R): Addition of electron in I atom results in increased repulsion among the electro

Given below are two statements: Statement I: Fluorine is more electronegative than oxygen. Statement II: Lanthanoids and actinoids both belong to same group. In the light of the above statements, choose the most appropriate answer from the options gi

Which of the following element is a metalloid?

Which of the following set of species are isoelectronic species?

In the modern long-form of the periodic table, total number of the horizontal rows and vertical columns are respectively;

Total number of elements present in 3rd and 4th period of the periodic table respectively are:

The general outer electronic configuration of the f-block elements is:

As per modern periodic law, the physical and chemical properties of elements are periodic functions of their:

An element with atomic number 55 belongs to:

Match List–I with List–II. List–I (Element) (A) Ca (Z = 20) (B) Ga (Z = 31) (C) Sc (Z = 21) (D) Ce (Z = 58) List–II (Block) (I) d-block (II) s-block (III) f-block (IV) p-block Choose the correct answer from the options given below.

An element having the electronic configuration: 1s2 2s2 2p6 3s2 3p1 is:

Which among the following statements are correct? A. s–block, p–block and d–block elements are together known as Representative elements. B. The elements after uranium are called Transuranium elements. C. f–block elements are known as Inner–transitio

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): Size of K+ is larger than that of K atom. Reason (R): K+ has less electrons than that of K atom, while nuclear charge is same in

The correct order of first ionization enthalpy is:

Beryllium shows diagonal relationship with:

The element with maximum negative electron gain enthalpy is:

The element with electronic configuration 1s2 2s2 2p6 3s2 3p6 3d8 4s2 belongs to:

The correct increasing order of metallic character for the given metals is:

The IUPAC name of the element having atomic number 141 is:

The elements of group 17 are called;

Match List-I with List-II. List-I (A) 1s2 , 2s2 2p5 (B) 1s2 , 2s2 2p6 , 3s2 3p6 (C) 1s2 , 2s1 (D) 1s2 , 2s2 2p6 , 3s2 3p6 3d6 , 4s2 List-II (I) Noble gas (II) Halogen (III) Transition element (IV) Alkali metal Choose the correct answer from the optio

Atomic number of Ag is 47. In the same group, the atomic numbers of elements placed above and below Ag in long form of periodic table will be;

The IUPAC name of an element with atomic number 119 is;

The electronic configuration of an element is 1s2 2s2 2p6 3s2 3p3 . What is the atomic number of the element, which is just below the above element in the periodic table?

The first ionization potential of Na is 5.1 eV. The value of electron gain enthalpy of Na+ will be?

Which among the following electronic configuration of an element has abnormally high difference between second and third ionization energy?

The correct sequence given below containing neutral, acidic, basic and amphoteric oxide each, respectively, is;

Electron gain enthalpy is;

Given below are two statement: one is labelled as Assertion A and the other is labelled as Reason R: Assertion A: In each period, second ionization energy of alkali metal is highest. Reason R: Second electron is removed in alkali metals from noble ga

If an element X has the group number 16 and the period number 4. Then the atomic number of X is;