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Chemical Bonding and Molecular Structure
Discuss the shapes of molecular orbitals formed by the combination of the following atomic orbitals. (lateral overlap)
(i)2px + 2py (ii) 2pz – 2pz
(i) 2px + 2px: The atomic orbitals combine by addition lateral overlap, therefore, the molecular orbital formed by the addition lateral overlap of 2px orbital is designated as bonding molecular orbital called 2px orbital.
(ii) 2p7 – 2pz: The two atomic orbitals combine by subtraction. The molecular orbital formed by the subtraction overlap of 2pz orbitals along the internuclear axis is designed as antibonding molecular orbital called o2pz orbital.
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Why two helium atoms do not combine to form He2?
What are 'Lewis structures'?
Name the conditions for the formation of an ionic bond between two atoms.
What is crystal lattice?
What is electrovalency?
What bond is present in MgCl2 molecules?
Two elements A and B have the electronic configuration as:
A = 1s22s22p63s2 and B = 1s22s22p5
Write the empirical formula of the substance containing A and B.
What type of bonding would you expect between:
(i) a metal and a non-metal
(ii) a non-metal and another non-metal?
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