Decribe, in terms of electrons ,what happens when a sodium atom reacts with a chlorine atom to form sodium chloride.

This is an example of ionic bonding. The sodium atom loses an electron to become a positive ion . This electron is then gained by the chlorine atom which becomes a negative ion. These two ions then form sodium chloride through ionic bonding.

SF

Related Chemistry GCSE answers

All answers ▸

Explain the trend in reactivity of the elements in Group 7.


For the reaction (hydrochloric acid + magnesium -> magnesium chloride + hydrogen) what would happen to the rate of reaction if the solid magnesium was cut into smaller pieces? Explain the change (4)


Write the word equation for a reaction which could be used to make this ester : CH3(CH2)2COOCH2CH3


Why do metals have high melting points?