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Human Eye and Colourful World
The covalent bond is said to be formed when two atoms achieve stability by sharing of an electron pair, each contributing one electron to the electron-pair. In this way, the atoms can be regarded as having acquired a noble gas configuration.
For example: H2, hydrogen is formed due to sharing of electron between two atom of hydrogen.
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Which of the following combination is most likely to form covalent bond/s? Explain.
(i) Sodium and hydrogen (ii) Magnesium and oxygen
(iii) Chlorine and oxygen (iv) Calcium and bromine.
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