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Describe the bonding present in a piece of sodium metal.
Explain the significance of atomic number and mass number in determining atomic properties. Which of these changes in isotopes?
Explain which species is oxidised in this reaction: Br2 +2I– = 2Br– +I2
What is the difference between a weak and strong acid?
Balance the following equation for the formation of magnesium chloride: Mg + HCl --> MgCl2 + H
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