Questions relating to Chemical bonding

1.Why atoms form bonds?
2.What is chemical Bonding?

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A chemical bond is an attraction between atoms that allows the formation of chemical substances that contain two or more atoms. The bond is caused by the electrostatic force of attraction between opposite charges, either between electrons and nuclei , or as the result of a dipole attraction. The strength of chemical bonds varies considerably; there are "strong bonds" such as covalent or ionic bonds and "weak bonds" such as dipole–dipole interactions , the London dispersion force and hydrogen bonding .
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THE A'LEVEL VIEW OF IONIC BONDING Electrons are transferred from one atom to another resulting in the formation of positive and negative ions. The electrostatic attractions between the positive and negative ions hold the compound together. So what's new? At heart - nothing. What needs modifying is the view that there is something magic about noble gas structures. There are far more ions which don't have noble gas structures than there are which do. Some common ions which don't have noble gas structures You may have come across some of the following ions in a basic course like GCSE. They are all perfectly stable , but not one of them has a noble gas structure. Fe 3+ [Ar]3d 5 Cu 2+ [Ar]3d 9 Zn 2+ [Ar]3d 10 Ag + [Kr]4d 10 Pb 2+ [Xe]4f 14 5d 10 6s 2 Noble gases (apart from helium ) have an outer electronic structure ns 2 np 6 .
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