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2 marksAtomic Structure and the Periodic Table

CAPE Chemistry Unit 1 · 2017 · Paper 2 · Question 1(b)

Dalton's atomic theory suggests that: • all atoms of a particular element are identical • atoms of elements are indivisible. State TWO pieces of evidence that lead to the rejection of these claims.

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  1. 1(a)Define the term 'relative atomic mass'.[2 marks]
  2. 1(c)Write the equation which represents the capture of a neutron by a fluorine-19 atom with the resultant expelling of an α-particle.[2 marks]
  3. 1(d)Calculate the relative atomic mass of the metal.[2 marks]
  4. 1(e)L, M and N are examples of three solid compounds which are ionic, polar and covalent respectively. Using the format in Table 1, describe THREE simple…[7 marks]

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