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picture1_Pdf Printable Periodic Table 195816 | Chemistry Chapter   5


picture2_Pdf Printable Periodic Table 195816 | Chemistry Chapter   5 picture3_Pdf Printable Periodic Table 195816 | Chemistry Chapter   5

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File: Pdf Printable Periodic Table 195816 | Chemistry Chapter 5
NCERT Solutions for Class 10 Science CHEMISTRY – Periodic Classification of Elements NCERT ANNEXURE Here are some subjective type questions and answers for your reference: 1. Give reason for the ...

icon picture PDF Filetype PDF | Posted on 07 Feb 2023 | 2 years ago
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...Ncert solutions for class science chemistry periodic classification of elements annexure here are some subjective type questions and answers your reference give reason the need ans continuous discovery new their compounds led to confusions it became difficult study remember recall properties all thus was needed make easier systematic what achievements mendeleev s table with similar were grouped together which made he predicted existence other left gaps be discovered these could easily placed in after noble gases not at that time separately without disturbing define atomic radius an element why does vary along period group distance between centre nucleus outermost shell isolated atom is called its variation decreases as we move right this due increase nuclear charge tends pull electrons closer reduces size increases down because shells being added go so spite a number considered more appropriate parameter than mass b chemical reactivity alkali metals while halogens from top bottom mainl...
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