Reply: The cause of periodicity in Qualities may be the repetition of comparable outer electronic configuration immediately after selected normal intervals.

Reply: Based on Kossel and Lewis, atoms Incorporate alongside one another in order to comprehensive their respective octets so as to acquire the stable inert fuel configuration.

Due to two lone pairs of electrons on O-atom, repulsion on bond pairs is bigger in H20 in comparison to NH3 . Hence, the bond angle is considerably less in H20 molecules.

Respond to: Electron attain enthalpy refers to inclination of an isolated gaseous atom to simply accept an additional electron to form a destructive ion. Whilst electronegativity refers to tendency of the atom of a component to attract shared set of electrons toward it in a covalent bond.

Clarification: When light-weight enters a triangular prism from a single surface area, the angle of incidence is i1 , and when it emerges from the other area from the prism, the angle of emergence is i2 .

Enable a1, a2, a3, … be the sequence, after which you can the sum expressed as a1 + a2 + a3 + … is referred to as a series. A series is known as finite collection if it's got a finite range of terms.

Clarification: o listen to an echo the minimum distance involving the supply of sound and reflector need to be 17 m.

Common Revision: Consistently revise crucial matters, and exercise solving sample papers to obtain accustomed to the exam pattern and time management.

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k . A sequence that contains a finite number of terms known as a finite sequence. A sequence is referred to as infinite if It's not at all a finite sequence.

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The combining atomic orbitals will need to have proper orientations. So that they are ready to overlap to a substantial extent.

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Exactly what are the subjects provided by CISCE to eleventh grade college students? What mixtures are prohibited in ISC Class eleven? The solution to such inquiries are available by examining the below-described content.