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Chemical Bonding and Molecular Structure
Predict the dipole moment of;
(i) a molecule of the type AX4 having a square planar geometry.
(ii) a molecule of the type AX5 having a trigonal bipyramdial.
(iii) a molecule of the type AX6 having an octahedral geometry.
(i) It has zero dipole moment.
(ii) It has specific dipole moment.
(iii) It has zero dipole moment.
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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?
Give reasons in one or two sentences for the observation that in their compounds non-metals form anions and not cations.
Out of Na and K, which will form a more stable ionic bond?
Which will have a greater lattice enthalpy: NaCl or MgO?
Is a covalent molecule always formed between two similar atoms?
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