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Q. Structure of Covalent Bonds?
Ans.
A covalent bond forms between elements that are near each other in the periodic table
While an ionic bond involves an exchange of electrons, a covalent bond involves an overlapping, or sharing, of electrons between the atoms. The overlapping of electron clouds in a hydrogen molecule is shown in the diagram below:
Electron cloud diagrams are rather difficult to draw. A simpler way to show covalent bonding is to sketch electron dot diagrams, using the octet rule.
What is a salt bridge? Salt bridge is a device used to link two electrodes on electrochemical cell. It maintains electrical neutrality and internal continuity. It is shown by
The gas stream from a sulfur burner is composed of 15-mol% SO 2 , 20-mol% O 2 , and 65-mol% N 2 . This gas stream at 1 bar and 680°C enters a catalytic converter, where the SO 2
How can explain it
Q. Chemical Properties of f-block element? The lanthanides are silvery-white, highly electropositive and reactive metals. They all react slowly with cold water and quickly on h
synthesis of an aldehyde from an alkyl halide with 1C chain extension
all explanation
what r metal nitrosyls and metallocenes
Q. What do you mean by Blanching? The enzymes in the food system can be separated into four groups relating to the changes in flavour, colour, texture and nutritive value. T
Using the valence bond approach, reduce the shape and magnetic character of What are elastomers? Write the chemical equation to show the preparation ration of Buna-S.
a. How can a colloidal solution and true solution of the similar colour be distinguished from each other? b. Give four applications of adsorption
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