nurfatinfarhana06 nurfatinfarhana06

11-07-2021
Biology

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a) explain covalent bond and hydrogen bond with an example of each (4marks)
b)state three(s) importance of surface tension and example( 6marks)

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ajjukc2468 ajjukc2468

21-07-2021

Answer:

Covalent bond is a primary chemical bond formed by the sharing of electron pairs. Covalent bonds are strong bonds with greater bond energy. Hydrogen bond is a weak electrostatic attraction between the hydrogen and an electronegative atom

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