EASY
11th ICSE
IMPORTANT
Earn 100

Following statements regarding the periodic trends of chemical reactivity of the alkali metals and the halogens are given. Which of these statements gives the correct picture?

50% studentsanswered this correctly

Chapter-Wise 3D Chemistry Videos from Dr. H.C. Srivastava ISC Nootan Chemistry Volume 1 for Class XI

Need for Classifying Elements
08 min 18 sec

Need for Classifying Elements

We all like things that are properly arranged and placed. What about the arrangement of elements? On what basis can they be arranged? Let us explore.
Periods in the Modern Periodic Table
05 min 31 sec

Periods in the Modern Periodic Table

The general characteristics of periods are identified by its total number of shells in an atom or period number. The electronic configuration of an element d...
Electronegativity and Bond Characteristics
04 min 21 sec

Electronegativity and Bond Characteristics

If the value of electronegativity difference between two elements is zero, it shows that the combining atoms result in a nonpolar covalent molecule. This vid...