B atom gets hybridised to variety three equivalent hybrid orbitals directed towards three comers of equilateral triangle with B atoms within the centre. Bond angle = a hundred and twenty°.
because the addition of a number of electrons would result in elevated repulsion Amongst the electrons as well as a lower in productive nuclear cost.
From the diagram down below, four cones are depicted, Each individual by using a top of 12cm. The posture of the middle of gravity is indicated by dots Found at 9cm, 8cm, 4cm, and 3cm within the apex of each cone. Which of such cones is completely good?
Dilemma thirteen. The electronic configuration of an element is Is 2s 2p 3s 3p 4s . Find the aspect in the periodic desk.
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Query two. Discuss the main characteristics of four blocks of aspects while in the periodic table? Give their general Digital configuration.
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The very first electron get enthalpy of oxygen is damaging for the reason that energy is produced any time a gaseous atom accepts an electron to variety monovalent anion.