Write the names and symbols of two very ...

Write the names and symbols of two very reactive metals belonging to group 1 of the periodic table. Explain by drawing electronic structure, how either one of the two metals reacts with a halogen. With which name is the bond formed between these elements known and what is the class of the compound so formed known? State any four physical properties of such compounds.

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Sodium (`Na`) and Potassium (`K`) ; Ionic bond; Ionic compounds (The reaction between sodium and a halogen like chlorine and the properties of ionic compounds are given in Chapter 3

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