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Chemical Bonding and Molecular Structure
Can sodium chloride conduct electric current in the solid state?
No, sodium chloride can not conduct electricity in the solid state. This is because oppositely charged ions (Na+ and Cl– ions) are held together by a strong electrostatic force of attraction. These ions occupy fixed positions in the crystals and do not move when an electric field is applied.
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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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