2.36: Understand that an Acid is a Proton Donor and a Base is a Proton Accept

ACIDS AND BASES (ALKALIS)

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• When atoms or groups of atoms lose or gain Electrons, they form charged particles called ions - either positively or negatively charged

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Diagram:

       

Diagram showing the Role of Acids and Bases in the Transfer of Protons

*ACIDS:

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• Acids are Proton donors as they will react to lose Electrons to form positive H+ ions
• These H+ ions make the Aqueous Solution Acidic

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*BASES (ALKALIS):

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• Bases (Alkalis) are Proton acceptors as react to gain Electrons to form negative OH- ions
• These OH- ions make the Aqueous Solution Alkaline