The alkali metals consist of the chemical elements lithium, sodium, potassium, rubidium, caesium, and francium. Together with hydrogen, they constitute group 1, which lies in the s-block of the periodic table

The alkali metals are all shiny, soft, highly reactive metals at standard temperature and pressure and readily lose their outermost electron to form cations with charge +1.

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An ionic bond is a bond that forms between

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Answer: An ionic bond is a bond that forms between ions with opposite charges.

Explanation:

A chemical bond formed by the transfer of electrons from one atom to another is called an ionic bond.

For example, sodium has electronic distribution as 2, 8, 1 and chlorine has electronic distribution as 2, 8, 7.

In order to attain stability, sodium needs to lose 1 electron and chlorine needs to gain one electron. Therefore, sodium will transfer its one valence electron (forming $Na^{+}$ ion) to chlorine atom (forming $Cl^{-}$ ion) which leads to the formation of NaCl compound.

Thus, we can conclude that an ionic bond is a bond that forms between ions with opposite charges.

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