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The latest Messages 21
2021-11-26 20:50:34
Complete Physics handwritten one page Revision notes.pdf join us Shared by--->
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135 viewsMohd Ashrif, 17:50
2021-11-26 19:30:00
10 viewsAyush, 16:30
2021-11-26 19:29:59
12 viewsAyush, 16:29
2021-11-26 17:28:31
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88 viewsAyush, 14:28
2021-11-25 16:09:28
IMPORTANT FACTS TO REMEMBER
Lowest electronegativity : Cs
. Highest electronegativity : F.
Highest ionisation potential : He
. Lowest ionisation potential : Cs
. Lowest electron affinity : Noble gases
. Highest electron affinity : Chlorine
. Least electropositive element : F
. Lowest m. pt. metal : Hg
Highest m. pt. and b. pt. metal : W (Tungsten)
. Lowest m. pt. and b. pt. non metal : He
Notorious element : Hydrogen
. Lightest element : Hydrogen
. Smallest atomic size : H
. Largest atomic size : Cs
. Largest anionic size : I –
. Smallest cation : H+
. Most electropositive element : Cs
. Element with electronegativity next to Fluorine : Oxygen
. Group containing maximum no. of gaseous elements in periodic table : Zero group
. Total number of gaseous elements in periodic table : 11 (H, N, O, F, Cl, He, Ne, Ar, Kr, Xe, Rn)
. Total number of liquid elements in periodic table : 6 (Ga, Br, Cs, Hg, Fr, Uub)
. Smallest anion : H–
. Liquid element of radioactive nature : Fr
Total number of radioactive elements in periodic table : 25
Volatile d-block elements : Zn, Cd, Hg, Uub
. Element containing no neutron : H
. Most aboundant element on earth : Oxygen
. Rarest element on earth : At (astatine)
. Most aboundant metal on earth : Al
. Element having maximum tendency for catenation : Carbon
. Non metal having highest m. pt., b. pt. : Carbon (diamond)
. Metals showing highest oxidation number : Os (+8)
. Most electrovalent compound : CsF
. Most stable carbonate : Cs2CO3
. Strongest alkali : CsOH
. Strongest basic oxide : Cs2O
. Best electricity conductor among metals : Ag
. Best electricity conductor among non metals : graphite
. Most poisonous element : Pu (Plutonium)
. Liquid non metals : Br
. Element kept in water : Phosphorous
. Elements kept in kerosene : IA group element (except Li)
. Elements sublime on heating : I 2
. Noble metals : Au, Pt. etc.
. Amphoteric metal : Be, Zn, Al, Sn, Pb
. Amphoteric non metal : Si
. Metalloids elements : B, Si, As, Te, At, Ge, Sb
. Non metals having metallic lusture : Graphite, Iodine
. Heaviest naturally occuring element : Uranium
. Poorest conductor of electricity : Diamond
. Hardest naturally occuring element : Diamond
. Lightest solid metal : Li
. Amphoteric oxides : BeO, Al2O3 , ZnO, PbO, PbO2 , SnO, SnO2 , Sb2O3 , As3O3 etc.
. Neutral oxides of non metals : NO, CO, H2O, N2O
. Dry bleacher : H2O2
. Dry ice : Solid CO2
. First man made element : Tc43 (Technicium)
. Smallest period : Ist (2 elements)
. Largest period in periodic table : 6th (32 elements)
. Largest group in periodic table : IIIB (32 elements)
. Most abundant d-block metal : Fe
. Most abundant s-block metal : Ca
. Highest density (Metals) : Os, Ir
. Highest density (Non Metals) : Boron
. Most abundant gas in atmosphere : Nitrogen
. Most abundant element in the universe : Hydrogen
308 viewsAyush Kumar, 13:09
2021-11-25 15:12:49
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256 viewsAyush Kumar, 12:12
2021-11-24 21:38:31
Gravitation
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2021-11-24 19:36:48
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387 viewsAyush Kumar, 16:36
2021-11-23 21:28:49
Maths Handwritten Notes
In Google Drive Form
1. 3D Geometory ( Part - 1) >> https://drive.google.com/file/d/1uZKVSXCqxkAVsq8NDXQgg9cKmfcmOYFt/view
( part - 2) - https://drive.google.com/file/d/1ChH-EtlWwX6ywVavca0HvRmJv7HLrSkp/view
2. Application Of Derivatives >> https://drive.google.com/file/d/1XyYGiNr5B21lwxQ_gl9aGcgVDWMpA88p/view
3. Binomial Theorm >> https://drive.google.com/file/d/1TXy67VTC8cKwjGtO36B0wQlC5J91kl7X/view
4. Definite Integral >> https://drive.google.com/file/d/1j3wcahvz7qdXZs-KKjJvUixqBvsdfBbS/view
5. Determinants >> https://drive.google.com/file/d/1YTcvo_f0NSZuiTJ8usI3CwVVkDzKfG9i/view
6. Differential Equations >> https://drive.google.com/file/d/1ac3weXNI1ojl8sRaKaGbTjgPEo99nHpV/view
7. Ellipse >> https://drive.google.com/file/d/1RbiuxV4rVGsqQldjimXEKCjA-MQUwiAt/view
8. Hyperbola >> https://drive.google.com/file/d/1-bggmPWioUcJjos-O5vLW7MVMFjjOmdr/view
9. Limites , Continuity , differentiability >> https://drive.google.com/file/d/10oQImziT8h1DALDSi5Z7brM9CYdikqn5/view
10. Equations . Inequations and expression >> https://drive.google.com/file/d/1Hy4cJxkPFdBJK7vFILtCZSsF3u1IJ2vI/view
11. The straight Line >> https://drive.google.com/file/d/1UfXQB5XDtjap659n7t9v5vy_nQgADP05/view
12. Sequence and Series >> https://drive.google.com/file/d/1QadiWukYVQ9cZnPhr4xpZ23qWQIFedvK/view
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143 viewsAyush Kumar, 18:28
2021-11-23 18:33:17
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