#13 | Solved Problems
(Chemistry) > Classification of Elements and Periodicity
Unable to watch the video, please try another server
Related Practice Questions :

Which statement is true?

(1) the electronegative nature of elements increases along the period

(2) the electropositive nature of elements increases along the period

(3) the chemical reactivity of elements increases along the period

(4) the I.E  of element decreases along the period

Please attempt this question first.

Difficulty Level:


Which of the electronic configuration of an atom has the lowest ionization enthalpy? 

(1) 1s2,2s22p5

(2)1s2,2s22p3

(3)1s2,2s22p6,3s1

(4)1s2,2s22p6

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Which element has the greatest tendency to lose electron?

(a) F

(b) Fr

(c) S

(d) Be

 

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


In the long form of periodic table, the elements having lowest ionization potential are placed in:

(a) I group

(b) IV group

(c) VII group

(d) Zero group

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Four successive members of the first row transition elements are listed below with their atomic numbers. Which one of them is expected to have the highest third ionisation enthalpy?

                                                                                                              [2005]

(a) Vanadium (Z = 23)

(b) Chromium (Z = 24)

(c) Iron (Z = 26)

(d) Manganese (Z = 25)

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level: