10th Standard Syllabus & Materials
10th Standard
Tamilnadu 10th Standard Social Science GEO - India - Population, Transport, Communication and Trade Important Questions And Answers Study Material - QB365 Set C
NEW10th Standard
Tamilnadu 10th Standard Social Science GEO - India - Population, Transport, Communication and Trade Important Questions And Answers Study Material - QB365 Set B
NEW10th Standard
Tamilnadu 10th Standard Social Science GEO - India - Population, Transport, Communication and Trade Important Questions And Answers Study Material - QB365 Set A
NEW10th Standard
Tamilnadu 10th Standard Social Science GEO - India - Resources and Industries Important Questions And Answers Study Material - QB365 Set C
NEW10th Standard
Tamilnadu 10th Standard Social Science GEO - India - Resources and Industries Important Questions And Answers Study Material - QB365 Set B
NEW10th Standard
Tamilnadu 10th Standard Social Science GEO - India - Resources and Industries Important Questions And Answers Study Material - QB365 Set A
Published on: 13/05/2022
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Questions + Answers key
Take MCQ Science Test1.
Define atomic radius.
2.
Name the periodic properties and why are they called so?
3.
What is the significance of modem periodic table?
4.
Why are elements of group 18 unreactive?
5.
Classify the 32 elements present in 6th period.
1.
Atomic radius is of an atom defined as the distance between the centre of its nucleus and the outermost shell containing the valence electron.
2.
Properties such as atomic radius, ionic radius, ionization energy, electro negativity, electron affinity show a regular periodicity and hence they are called periodic properties.
3.
(i) The main significance of modem periodic table is it gives a clear understanding of the general properties and trends within a group or a period.
(ii) To predict with accuracy the properties of any element.
4.
The atoms of the group 18 elements have stable electronic configuration in their valence shells and hence they are unreactive.
5.
Sixth period contains 32 elements (Cesium to Radon) includes 8 normal elements, 10 transition elements and 14 inner transition elements (Lanthanides).
10th Standard Syllabus & Materials
10th Standard
Tamilnadu 10th Standard Social Science GEO - Climate and Natural Vegetation of India Important Questions And Answers Study Material - QB365 Set C
NEW10th Standard
Tamilnadu 10th Standard Social Science GEO - Climate and Natural Vegetation of India Important Questions And Answers Study Material - QB365 Set B
NEW10th Standard
Tamilnadu 10th Standard Social Science GEO - Climate and Natural Vegetation of India Important Questions And Answers Study Material - QB365 Set A
NEW10th Standard
Tamilnadu 10th Standard Social Science GEO - India - Location, Relief and Drainage Important Questions And Answers Study Material - QB365 Set B
Tamilnadu Stateboard 10th Standard Subjects
Tamilnadu Stateboard Standards
