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Answer: According to Kossel and Lewis, atoms Incorporate collectively in order to total their respective octets In order to amass the stable inert gasoline configuration.
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(b)The best increase in ionization enthalpy is experienced on removal of electrons from core noble fuel configuration.
Attract a neat diagram of the "Microscopic Construction of the intestinal villus" and label the pieces given down below :
जसप्रीत बुमराह बने क्रिकेट ऑस्ट्रेलिया के कप्तान, पैट कमिंस और हेड टीम में शामिल नहीं, यशस्वी को मौका
The Class 11 Maths NCERT Assignments Alternatives deal with a wide array of troubles, from primary to elaborate, furnishing phase-by-stage steerage which can be especially practical for Test planning.
Considering that the anion is formed by getting a number of electron. Consequently, the atomic radius is larger sized when compared to the corresponding atom.
These bonds are termed equatorial bonds. The remaining two P-Cl bonds lie earlier mentioned and down below the equatorial aircraft and make an angle of ninety° With all the plane. These bonds are named axial bonds.
In the course of the modify of state of the substance from good to liquid, heat is absorbed by a human body, but its temperature doesn't rise. Which of the subsequent statements points out the phenomenon?
Reply: The 1st ionisation enthalpy of magnesium is larger than that of Na due to larger nuclear charge and a bit scaled-down atomic radius of Mg than Na. Once the lack of 1st electron, Na+ shaped has the Digital configuration of neon (two, eight).
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The initial electron attain enthalpy of oxygen is destructive simply because Vitality is introduced each time a gaseous atom accepts an electron to type monovalent anion.