Q29 of 30 Page 56

Write the names and symbols of the two most reactive metals. Explain by drawing electronic structure how any one of the two metals reacts with a halogen. State any four physical properties of the compound formed.

Two most reactive metals are sodium (Na) and potassium (K). When sodium reacts with chloride:


Properties of sodium chloride:


i. It is a crystalline solid.


ii. It has a high melting point.


iii. In aqueous solution, it conducts electricity.


iv. It is soluble in water insoluble in organic solvents.


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