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A chemical bond is formed when two elements combine.They could form chemical bond via an ionic bond by exchange of electrons or by covalent bond i.e. by sharing electrons.

When they are chemically bonded, a new substance is formed whose properties may or may not be similar to the constituent elements. For example :- H2 is a gas which burns and O2 is a gas which causes combustion but they combine to form water which extinguishes fire.

Also, when a chemical bond is formed, some energy might be released to the surroundings showing the reaction is exothermic or some energy might be absorbed showing that it is an endothermic reaction.

Also,a decrease in the concentration of reactants is observed and an increase in conc. of products is observed.

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13y ago
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13y ago

It depends which atoms are bonding because the type of atoms determine the type of bond they form.

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13y ago

Ionic bonding involves the transfer of electrons between atoms; covalent bonding involves the sharing of electrons between atoms.

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11y ago

energy is released and a new substance is formed

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11y ago

The atom can become an ion and form an ionic bond with another ion of opposite charge, or the atom can share electrons and form a covalent bond.

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11y ago

When atoms form a chemical bond, they always share electrons either symmetrically or asymmetrically.

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12y ago

energy is released

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Q: What are two things that can happen when an atom forms a chemical bond?
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